CN109431757B - Folding walking stick with adjustable stool function - Google Patents
Folding walking stick with adjustable stool function Download PDFInfo
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- CN109431757B CN109431757B CN201811354106.6A CN201811354106A CN109431757B CN 109431757 B CN109431757 B CN 109431757B CN 201811354106 A CN201811354106 A CN 201811354106A CN 109431757 B CN109431757 B CN 109431757B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C13/00—Convertible chairs, stools or benches
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Abstract
The invention discloses a folding crutch with an adjustable stool function, which belongs to the field of crutches and comprises an upper rod body and a lower rod body, wherein a stool surface is fixed on the upper rod body, an upper supporting mechanism is connected between the upper rod body and the lower rod body, the upper supporting mechanism comprises a telescopic rod and a sliding sleeve sleeved on the lower rod body, one end of the telescopic rod is hinged with the upper rod body, the other end of the telescopic rod is hinged with the sliding sleeve, a lower supporting mechanism is arranged on the lower rod body, the lower supporting mechanism comprises a sliding seat sleeved on the lower rod body and a supporting rod hinged on the sliding seat, the sliding seat is positioned below the sliding sleeve, can slide along the axial direction of the lower rod body and can be fixed on the lower rod body through a fixing unit, and a clamping unit matched with the sliding sleeve is arranged. The folding crutch with the function of the adjustable stool disclosed by the invention can adjust the height of the stool and the inclination angle of the stool surface to meet the requirements of different people at different times, does not need a connecting rod to fix the position of the supporting rod, and has a simple structure.
Description
Technical Field
The invention relates to the field of crutches, in particular to a folding crutch with an adjustable stool function.
Background
The walking stick is a common tool for the disabled and the old, the walking stick with the function of the stool is more suitable for the disabled and the old, the existing walking stick with the function of the stool usually comprises a main rod, a handrail and a stool surface, the stool surface is usually unfolded and folded through a hinged support rod, the height of the stool and the inclination angle of the stool surface can not be adjusted when the stool is unfolded, the function is not perfect, the requirements of different people on the height of the stool and the inclination angle of the stool surface can not be met, are not adjustable when a lower or higher stool or a stool surface of different slope angles is desired for some activities, the applicability to people is not wide, for example, some people have leg obstruction or serious humpback, a lower stool is needed, people who have lumbar problems or are high in height need high stools, the requirements for the inclination of the stool surface are different, and the different inclination angles of the stool surface have different influences on the body of people.
The existing crutch with the function of the stool needs to connect connecting rods between the main rods structurally to fix the positions of the supporting legs, the connecting rods are relatively more, the structure is relatively complex, the stool cannot be normally used when a certain connecting rod fails, and the production cost is higher.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the folding crutch with the function of the adjustable stool, the height of the stool and the inclination angle of the stool surface can be adjusted to meet the requirements of different people at different times, a connecting rod is not needed for fixing the position of the supporting rod, and the structure is simpler.
The technical scheme adopted by the invention is as follows:
the invention provides a folding crutch with an adjustable stool function, which comprises an upper rod body and a lower rod body positioned below the upper rod body, wherein the bottom end of the upper rod body is hinged with the top end of the lower rod body, the upper rod body and the lower rod body can relatively rotate to the same axis, a stool surface is fixed on the upper rod body, an upper supporting mechanism is connected between the upper rod body and the lower rod body, the upper supporting mechanism comprises a telescopic rod and a sliding sleeve sleeved on the lower rod body, the sliding sleeve can slide along the axial direction of the lower rod body, one end of the telescopic rod is hinged with the upper rod body, the other end of the telescopic rod is hinged with the sliding sleeve, a lower supporting mechanism is arranged on the lower rod body, the lower supporting mechanism comprises a sliding seat sleeved on the lower rod body and at least two supporting rods hinged on the sliding seat, the sliding seat is located below the sliding sleeve, the sliding seat can slide along the axial direction of the lower rod body and can be fixed on the lower rod body through the fixing unit, a clamping and fixing unit is arranged at the hinged position of the supporting rod and the sliding seat, the clamping and fixing unit is matched with the sliding sleeve, and the clamping and fixing unit is used for matching with the sliding sleeve to stretch the supporting rod and fix the angle between the supporting rod and the lower rod body.
As a further improvement of the present solution, the fixing unit includes a plurality of fixing holes provided on the lower rod body, a through hole provided on the slide, and a fixing connecting rod, and the fixing connecting rod penetrates through the through hole and is inserted in the fixing hole.
As a further improvement of this scheme, it is a plurality of the fixed orifices with the through-hole is the screw hole and the internal diameter is the same, fixed connecting rod is the bolt, fixed connecting rod with the fixed orifices reaches through-hole homogeneous phase adaptation.
As a further improvement of the present solution, one end of the support rod hinged to the slide base extends to the top of the slide base, the fastening unit includes a fastening portion formed between the support rod located above the slide base and the lower rod body, and a fastening block located in the fastening portion, the slide sleeve is adapted to the fastening portion, one end of the fastening block is fixed to the support rod, and the other end of the fastening block is adapted to the slide sleeve.
As a further improvement of the scheme, a flange is fixed on the outer wall of the sliding seat, a hinge assembly used for hinging the support rod is arranged on the flange, the hinge assembly comprises at least one hinge seat fixed on the flange and a hinge groove arranged on the flange and used for accommodating the support rod, the hinge groove is close to the hinge seat, a reinforcing rib plate is fixed between the outer wall of the sliding seat and the flange, and a reset spring is connected between the outer wall of the sliding seat and the support rod.
As a further improvement of the present solution, the telescopic rod includes a telescopic outer sleeve, a telescopic inner rod disposed inside the telescopic outer sleeve, and a locking pin, wherein a plurality of locking outer holes are formed in the telescopic outer sleeve, a plurality of locking inner holes are formed in the telescopic inner rod, and the locking pin penetrates through the locking outer holes and is inserted into the locking inner holes.
As a further improvement of the scheme, the lower rod body is a cylindrical hollow rod body, a shock absorption telescopic mechanism which can be adjusted in an up-and-down sliding manner in the lower rod body is arranged at the lower part of the lower rod body, and the shock absorption telescopic mechanism comprises a sliding rod, a fixed block and a sliding block which are positioned in the lower rod body; the upper part of the slide bar is positioned inside the lower bar body, the lower part of the slide bar extends to the outside of the lower bar body, the sliding block is fixed on the sliding rod, the fixed block is slidably sleeved on the sliding rod, the sliding block is positioned below the fixed block, the sliding rod positioned in the lower rod body is sleeved with a damping spring, one end of the damping spring is connected with the fixed block, the other end of the damping spring is connected with the sliding block, the sliding block is connected with the inner wall of the lower rod body in a sliding way, the fixed block is fixed on the inner wall of the lower rod body through the locking unit, the locking unit comprises a plurality of fixing holes formed in the lower rod body, blind holes formed in the side wall of the fixing block and locking connecting rods, and the locking connecting rods penetrate through the fixing holes and are inserted in the blind holes.
As a further improvement of this scheme, the fixed orifices with the blind hole is the screw hole and the internal diameter is the same, the locking connecting rod be with the fixed orifices with the bolt of blind hole homogeneous phase adaptation.
As a further improvement of the present solution, a positioning bar for preventing the slide bar from rotating is fixed on the slide bar, the positioning bar is arranged along the axial direction of the slide bar, a bottom cover is fixed at the bottom end of the lower rod body, the lower part of the slide bar penetrates through the bottom cover and extends to the outside of the lower rod body, and a positioning groove matched with the positioning bar is formed in the bottom cover.
As a further improvement of this scheme, one side of the hinged position of the upper rod body and the lower rod body is provided with a switch mechanism for controlling the opening and closing of the upper rod body and the lower rod body, the switch mechanism comprises an upper clamping portion fixed on the inner wall of the upper rod body and a lower clamping portion fixed on the inner wall of the lower rod body, and the upper clamping portion and the lower clamping portion can be clamped or loosened relatively.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a folding crutch with adjustable stool function, which is characterized in that an upper rod body and a lower rod body are hinged, an upper support mechanism is matched with a lower support mechanism, when the upper rod body is rotated, a telescopic rod can stretch and retract along with the upper rod body, a sliding sleeve slides on the lower rod body along with the telescopic rod, a stool surface is arranged on the upper rod body, the upper rod body is rotated, and the adjustment of the inclination angle of the stool surface can be realized through the matching of the upper rod body and the telescopic rod. The bracing piece can realize the fixed of bracing piece position through the cooperation of solid unit of card and sliding sleeve, does not need the connecting rod to connect fixedly, and the structure is more simple, and whole easy dismounting, and the practicality is strong, low in production cost, applicable in each stratum personage, the universality is wide.
Drawings
FIG. 1 is a schematic structural diagram of a foldable crutch with adjustable stool function according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a foldable crutch with an adjustable stool function as a stool according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a shock absorbing telescoping mechanism provided in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a carriage provided in an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view A-A of FIG. 4 in accordance with an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a bottom cover according to an embodiment of the present invention.
In the figure:
1. a rod body is arranged; 11. a stool surface; 2. a lower rod body; 21. a fixing hole; 22. a bottom cover; 3. an upper support mechanism; 31. a telescopic rod; 311. a telescopic outer sleeve; 312. a telescopic inner rod; 313. a locking pin; 301. locking the outer hole; 302. locking the inner hole; 32. a sliding sleeve; 4. a lower support mechanism; 401. a through hole; 402. a fixed connecting rod; 41. a slide base; 411. a flange; 412. a hinged seat; 413. a hinge slot; 414. reinforcing the ribbed plate; 415. a return spring; 42. a support bar; 5. a clamping unit; 51. clamping and fixing; 52. a clamping block; 6. a shock-absorbing telescopic mechanism; 61. a slide bar; 611. a positioning bar; 612. positioning a groove; 62. a fixed block; 621. blind holes; 622. locking the connecting rod; 63. a slider; 64. a damping spring; 7. a switch mechanism; 71. an upper engaging portion; 72. a lower engaging portion; 8. a handrail.
Detailed Description
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings and technical solutions required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the foldable crutch with adjustable stool function provided in this embodiment includes an upper rod 1, a lower rod 2 located below the upper rod 1, a handrail 8 is disposed at the top end of the upper rod 1, the bottom end of the upper rod 1 is hinged to the top end of the lower rod 2, the upper rod 1 and the lower rod 2 can rotate relatively to a same axis, a stool surface 11 is fixed on the upper rod 1, the stool surface 11 is fixed on the upper rod 1 by a bolt, a cushion is disposed on the stool surface 11, an upper supporting mechanism 3 is connected between the upper rod 1 and the lower rod 2, the upper supporting mechanism 3 includes a telescopic rod 31 and a sliding sleeve 32 sleeved on the lower rod 2, the sliding sleeve 32 can slide along the axial direction of the lower rod 2, one end of the telescopic rod 31 is hinged to a fixing seat fixed on the upper portion of the upper rod 1, the other end of the telescopic rod 31 is hinged to the sliding sleeve 32 by a hinge seat on the sliding, the lower rod body 2 is provided with a lower support mechanism 4, the lower support mechanism 4 comprises a sliding seat 41 sleeved on the lower rod body 2 and at least two support rods 42 hinged on the sliding seat 41, in this embodiment, the number of the support rods 42 is preferably two, the sliding seat 41 is positioned below the sliding sleeve 32, the sliding seat 41 can slide along the axial direction of the lower rod body 2 and can be fixed on the lower rod body 2 through a fixing unit, the fixing unit comprises a plurality of fixing holes 21 formed on the lower rod body 2, through holes 401 formed on the sliding seat 41 and a fixing connecting rod 402, the fixing connecting rod 402 penetrates through the through holes 401 and is inserted into the fixing holes 21, the fixing holes 21 are arranged along the same straight line, the fixing holes 21 and the through holes 401 are threaded holes and have the same inner diameter, the fixing connecting rod 402 is a bolt, the fixing connecting rod 402 is matched with the fixing holes 21 and the through holes 401, the hinging part of the support rods, the clamping unit 5 is adapted to the sliding sleeve 32, the clamping unit 5 is used for matching the sliding sleeve 32 to open the supporting rod 42 and fix an angle between the supporting rod 42 and the lower rod body 2, one end of the supporting rod 42 hinged to the sliding base 41 extends to the upper side of the sliding base 41, the clamping unit 5 comprises a clamping position 51 formed between the supporting rod 42 and the lower rod body 2 above the sliding base 41 and a clamping block 52 located in the clamping position 51, the sliding sleeve 32 is adapted to the clamping position 51, one end of the clamping block 52 is fixed on the supporting rod 42, the other end of the clamping block 52 is adapted to the sliding sleeve 32, and one end of the clamping block 52 close to the lower rod body 2 is in a smooth arc shape, so that the sliding sleeve 32 slides relatively smoothly when sliding downwards to be in contact with the clamping block 52.
In this embodiment, when the upper rod 1 and the lower rod 2 rotate to the same axis, the upper rod 1 and the lower rod 2 are the same straight rod, the telescopic rod 31 vertically leans against one side of the upper rod 1 and the lower rod 2, the support rod 42 vertically leans against one side of the lower rod 2, does not occupy the space of the user, and can be used as a normal crutch, when a foldable crutch with an adjustable stool function needs to be unfolded into a stool, the upper rod 1 rotates to one side relative to the lower rod 2, the stool surface 11 fixed on the upper rod 1 also rotates with the upper rod 1, the upper rod 1 drives the telescopic rod 31 to telescopically rotate, the telescopic rod 31 drives the sliding sleeve 32 to downwardly slide on the lower rod 2, when the sliding sleeve 32 slides down to the clamping position 51, the lower portion of the sliding sleeve 32 contacts with the clamping block 52, when the sliding sleeve 32 continues to move down, the lower portion of the sliding sleeve 32 pushes the clamping block 52 downwardly, the clamping block 52 downwardly rotates and drives the support rod 42 to rotate around the hinge point of, the lower portion of the supporting rod 42 is gradually far away from the lower rod body 2, when the sliding sleeve 32 abuts against the sliding base 41, the fastening block 52 is fastened at one side of the sliding sleeve 32, and one end of the supporting rod 42 close to the sliding sleeve 32 also abuts against one side of the sliding sleeve 32, thereby fixing the position of the supporting rod 42, and fixing the angle between the supporting rod 42 and the lower rod body 2, so that two supporting rods 42 and the lower rod body 2 form a stable three-leg supporting structure, the lower rod body 2 and the upper rod body 1 can be stably supported, the upper supporting mechanism 3, the upper rod body 1 and the stool surface 11 can be stably supported, the telescopic rod 31 is hinged at one side of the sliding base 41, the supporting rod 42 is hinged at the other side of the sliding base 41, the structure formed when the crutch is unfolded to form a stool can be firmer, when the supporting rod 42 is supported, a connecting rod does not need to be arranged between the supporting rod 42, the support rod can be supported and fixed only by matching the clamping unit 5 with the sliding sleeve 32, so that the structure is simplified, the production cost is reduced, and the universal device is more universal. When the height of the stool needs to be adjusted, the fixed connecting rod 402 is unscrewed to separate the fixed connecting rod 402 from the fixed hole 21, the slide base 41 is moved up and down to adjust the height of the slide base 41 and the supporting rod 42 relative to the bottom end of the lower rod body 2, when the required height is reached, the fixed connecting rod 402 is screwed into the corresponding fixed hole 21 to fix the slide base 41 on the lower rod body 2, and the length of the telescopic rod 31 is adaptively adjusted to adjust the inclination degree of the stool surface 11, so that the height of the stool can be adjusted conveniently, and the inclination angle of the stool surface 11 can be adjusted by rotating the upper rod body 1 and adjusting the length of the telescopic rod 31, so that the height of the stool and the inclination angle of the stool surface can be adjusted conveniently to meet the requirements of different persons at different times, the applicability is wide, the whole structure is simple, the disassembly and assembly are convenient and fast, the production is easy, the practicability is strong, and the upper, the upper rod body 1 is folded to one side of the lower rod body 2, so that the upper rod body is convenient to store.
In order to facilitate the sliding sleeve 32 to be abutted and matched with the sliding base 41, further, a flange 411 is fixed on the outer wall of the sliding base 41, a hinge assembly for hinging the supporting rod 42 is arranged on the flange 411, the hinge assembly comprises at least one hinge seat 412 fixed on the flange 411, and a hinge groove 413 opened on the flange 411 and used for placing the supporting rod 42, the hinge groove 413 is arranged adjacent to the hinge seat 412, the hinge assembly is arranged at the outer edge of the flange 411, the flange 411 is arranged to ensure the space of the clamping and fixing body 51, so that the sliding sleeve 32 is clamped into the clamping and fixing body 51 and matched with the clamping and fixing block 52 to ensure that the sliding sleeve 32 is stably expanded and fix the supporting rod 42, the hinge groove 413 is convenient for the supporting rod 42 to abut against one side of the lower rod body 2 when being folded, so as not to prevent a user from using the foldable crutch with the adjustable stool function, further, a reinforcing rib 414 is, the connection strength between the flange 411 and the sliding seat 41 can be ensured, the supporting rod 421 can be stably hinged with the hinge assembly on the flange 411, furthermore, a return spring 415 is connected between the outer wall of the sliding seat 41 and the supporting rod 42, when the seat is unfolded, the supporting rod 42 is unfolded, the return spring 415 is pulled, when the seat is used as a crutch, the sliding sleeve 32 leaves the clamping and fixing part 51, the supporting rod 42 can automatically retract to the position close to the lower rod body 2 due to the elastic restoring force of the return spring 415, and the supporting rod 42 is convenient to fold.
In order to adjust the length of the telescopic rod 31 conveniently, further, the telescopic rod 31 includes a telescopic outer sleeve 311, a telescopic inner rod 312 disposed inside the telescopic outer sleeve 311, and a locking pin 313, a plurality of locking outer holes 301 are formed on the telescopic outer sleeve 311, a plurality of locking inner holes 302 are formed on the telescopic inner rod 312, the locking pin 313 penetrates through the locking outer holes 301 and is inserted into the locking inner holes 302, the locking outer holes 301 and the locking inner holes 302 are both threaded holes, the locking pin 313 is a bolt pin, the locking pin 313 is separated from the locking inner holes 302 by unscrewing the locking pin 313, the telescopic inner rod 312 can slide relative to the telescopic outer sleeve 311 to adjust the length of the telescopic rod 31, the locking pin 313 is screwed after the required length is adjusted, the locking pin 313 is screwed with the locking outer holes 301 and the locking inner holes 302, and accordingly the length of the telescopic rod 31 can be adjusted conveniently, and.
In order to adjust the length of the folding crutch with the function of adjustable stool and reduce the vibration when the folding crutch is used as a crutch or a stool, furthermore, the lower rod body 2 is a cylindrical hollow rod body, the lower part of the lower rod body 2 is provided with a damping telescopic mechanism 6 which can slide up and down and be adjusted in the lower rod body 2, the damping telescopic mechanism 6 comprises a sliding rod 61, a fixed block 62 and a sliding block 63 which are positioned in the lower rod body 2, the upper part of the sliding rod 61 is positioned in the lower rod body 2, the lower part of the sliding rod 61 extends to the outside of the lower rod body 2, the sliding block 63 is fixed on the sliding rod 61, the fixed block 62 is slidably sleeved on the sliding rod 61, the sliding block 63 is positioned below the fixed block 62, the sliding rod 61 positioned in the lower rod body 2 is sleeved with a damping spring 64, one end of the damping spring 64 is connected with the, sliding block 63 and the inner wall sliding connection of the lower body of rod 2, fixed block 62 is fixed on the inner wall of the lower body of rod 2 through the locking unit, the locking unit is including seting up a plurality of fixed orificess 21 on the body of rod 2 down, set up the blind hole 621 on the fixed block 62 lateral wall, and locking connecting rod 622, the axis of blind hole 621 is mutually perpendicular with the axis of the lower body of rod 2, locking connecting rod 622 runs through fixed orifices 21 and inserts and establish in blind hole 621, a plurality of fixed orifices 21 set up along same straight line, fixed orifices 21 are the screw hole and the internal diameter is the same with blind hole 621, locking connecting rod 622 is the bolt with fixed orifices 21 and blind hole 621 homogeneous phase adaptation. When the crutch is used, the fixed block 62 is fixed on the inner wall of the lower rod body 2 through the locking connecting rod 622, the bottom end of the slide rod 61 is in contact stress with the ground, so that the slide rod 61 moves upwards relative to the lower rod body 2, the slide rod 61 drives the slide block 63 fixed on the slide rod 61 to slide upwards on the inner wall of the lower rod body 2, the top end of the slide rod 61 moves upwards relative to the fixed block 62, the slide block 63 extrudes the damping spring 64 upwards, the damping spring 64 compresses to generate resilience force, partial pressure can be offset, vibration can be reduced, a user feels more comfortable when using the crutch, the rubber block is arranged at the bottom end of the slide rod 61, the stress of the bottom end of the slide rod 61 when in contact with the ground can be further reduced, noise generated when the bottom end of the slide rod 61 is in contact with the ground can be reduced, the fixed block 62 and the slide block 63 can slide on the inner wall of, after the length is adjusted to the required length, the locking connecting rod 622 is screwed in, so that the overall length of the folding crutch with the function of the adjustable stool can be adjusted, and the requirement of people with different heights on the height of the crutch can be met; when the foldable crutch with the function of adjustable stool is unfolded to form the stool, when a person sits on the stool surface 11 suddenly in a moment, the stool surface 11 is stressed greatly, the rebound force generated by the person is also large, certain damage can be generated to the caudal vertebra and the lumbar vertebra of the person, and particularly, the person with the lumbar vertebra problem can be greatly influenced, when the user sits on the stool surface 11 suddenly, the impact force applied to the stool surface 11 can be transmitted to the lower rod body 2, the lower rod body 2 moves downwards relative to the sliding rod 61, so that the damping spring 64 is stressed and compressed to generate the rebound force to offset part of the impact force, and the damping and buffering effects of the damping and telescoping mechanism 6 are utilized, thereby greatly reducing the injury of the impact force applied to the user when the user sits on the stool surface 11 suddenly, reducing the impact force applied to the supporting rod 42 and the lower rod body 2, and prolonging the service lives of the supporting rod 42 and the lower.
In order to prevent the sliding rod 61 from rotating inside the lower rod body 2, the fixing hole 21 is aligned with the blind hole 621 conveniently, further, a positioning strip 611 for preventing the sliding rod 61 from rotating is fixed on the sliding rod 61, the positioning strip 611 is arranged along the axial direction of the sliding rod 61, the bottom end of the lower rod body 2 is fixed with the bottom cover 22, the lower portion of the sliding rod 61 penetrates through the bottom cover 22 and extends to the outside of the lower rod body 2, the bottom cover 22 is provided with a positioning groove 612 matched with the positioning strip 611, through the matching of the positioning groove 612 and the positioning strip 611, the sliding rod 61 can be limited to rotate so as to drive the sliding block 63 and the fixing block 62 to rotate, the blind hole 621 on the fixing block 62 is aligned with the fixing hole.
In order to facilitate controlling the relative opening and closing of the upper rod body 1 and the lower rod body 2, further, a switch mechanism 7 for controlling the opening and closing of the upper rod body 1 and the lower rod body 2 is arranged at one side of the hinged position of the upper rod body 1 and the lower rod body 2, the switch mechanism 7 comprises an upper clamping part 71 fixed on the inner wall of the upper rod body 1 and a lower clamping part 72 fixed on the inner wall of the lower rod body 2, the upper clamping part 71 and the lower clamping part 72 can be clamped or released relatively, the upper end of the upper clamping part 71 is fixed on the inner wall of the upper rod body 1, the lower end of the upper clamping part 71 is provided with a clamping groove, the lower clamping part 72 comprises a clamping plate positioned inside the lower rod body 2 and a push rod connected with the lower end of the clamping plate, the upper part of the clamping plate is provided with a clamping block matched with the clamping groove, the push rod is vertical to the clamping plate, one end of the push rod penetrates through the side wall, one end of the spring is connected with the clamping plate, the other end of the spring is connected with the inner wall of the lower rod body 2, when the upper rod body 1 rotates to be coaxial with the lower rod body 2, the clamping groove on the upper clamping portion 71 is clamped with the clamping block on the clamping plate, the upper rod body 1 and the lower rod body 2 can be fixed on the same axis, when the push rod is pressed, the push rod pushes the clamping plate to move, the clamping block is separated from the clamping groove, the upper rod body 1 can freely rotate relative to the lower rod body 2, after the push rod is loosened, the push rod can return to the original position through elastic return of the spring, so that relative opening and closing of the upper rod body 1 and the lower rod body 2 can be conveniently controlled, and the folding crutch with the adjustable sitting function can be used as a sitting stool or a.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a foldable walking stick with adjustable bench function which characterized in that:
the telescopic rod comprises an upper rod body (1) and a lower rod body (2) positioned below the upper rod body (1), wherein the bottom end of the upper rod body (1) is hinged with the top end of the lower rod body (2), and the upper rod body (1) and the lower rod body (2) can rotate to the same axis relatively;
a stool surface (11) is fixed on the upper rod body (1);
an upper supporting mechanism (3) is connected between the upper rod body (1) and the lower rod body (2), the upper supporting mechanism (3) comprises a telescopic rod (31) and a sliding sleeve (32) sleeved on the lower rod body (2), the sliding sleeve (32) can slide along the axial direction of the lower rod body (2), one end of the telescopic rod (31) is hinged with the upper rod body (1), and the other end of the telescopic rod (31) is hinged with the sliding sleeve (32);
the lower rod body (2) is provided with a lower supporting mechanism (4), the lower supporting mechanism (4) comprises a sliding seat (41) sleeved on the lower rod body (2) and at least two supporting rods (42) hinged on the sliding seat (41), the sliding seat (41) is positioned below the sliding sleeve (32), and the sliding seat (41) can slide along the axial direction of the lower rod body (2) and can be fixed on the lower rod body (2) through a fixing unit;
a clamping unit (5) is arranged at the hinged position of the supporting rod (42) and the sliding seat (41), the clamping unit (5) is matched with the sliding sleeve (32), and the clamping unit (5) is used for matching with the sliding sleeve (32) to open the supporting rod (42) and fixing the angle between the supporting rod (42) and the lower rod body (2);
the lower rod body (2) is a cylindrical hollow rod body;
the lower part of the lower rod body (2) is provided with a damping telescopic mechanism (6) which can slide up and down in the lower rod body (2) for adjustment;
the shock absorption telescopic mechanism (6) comprises a sliding rod (61), a fixed block (62) and a sliding block (63), wherein the fixed block (62) and the sliding block are positioned in the lower rod body (2); the upper part of the sliding rod (61) is positioned inside the lower rod body (2), the lower part of the sliding rod (61) extends to the outside of the lower rod body (2), the sliding block (63) is fixed on the sliding rod (61), the fixed block (62) is slidably sleeved on the sliding rod (61), and the sliding block (63) is positioned below the fixed block (62);
a damping spring (64) is sleeved on the sliding rod (61) positioned in the lower rod body (2), one end of the damping spring (64) is connected with the fixed block (62), and the other end of the damping spring (64) is connected with the sliding block (63);
the sliding block (63) is connected with the inner wall of the lower rod body (2) in a sliding mode, and the fixed block (62) is fixed on the inner wall of the lower rod body (2) through a locking unit;
the locking unit comprises a plurality of fixing holes (21) formed in the lower rod body (2), a blind hole (621) formed in the side wall of the fixing block (62), and a locking connecting rod (622);
the locking connecting rod (622) penetrates through the fixing hole (21) and is inserted into the blind hole (621);
one end of the supporting rod (42) hinged with the sliding seat (41) extends to the upper part of the sliding seat (41);
the clamping unit (5) comprises a clamping position (51) formed between the support rod (42) positioned above the sliding seat (41) and the lower rod body (2), and a clamping block (52) positioned in the clamping position (51);
the sliding sleeve (32) is matched with the clamping and fixing part (51);
one end of the clamping block (52) is fixed on the supporting rod (42), and the other end of the clamping block (52) is matched with the sliding sleeve (32);
a flange (411) is fixed on the outer wall of the sliding seat (41), and a hinge assembly for hinging the supporting rod (42) is arranged on the flange (411);
the hinge assembly comprises at least one hinge seat (412) fixed on the flange (411), a hinge groove (413) opened on the flange (411) for placing the support rod (42), and the hinge groove (413) is arranged next to the hinge seat (412);
a reinforcing rib plate (414) is fixed between the outer wall of the sliding seat (41) and the flange (411);
and a return spring (415) is connected between the outer wall of the sliding seat (41) and the supporting rod (42).
2. The folding crutch with adjustable bench function as claimed in claim 1, further comprising:
the fixing unit comprises a plurality of fixing holes (21) formed in the lower rod body (2), through holes (401) formed in the sliding seat (41), and a fixing connecting rod (402);
the fixed connecting rod (402) penetrates through the through hole (401) and is inserted into the fixed hole (21).
3. The folding crutch with adjustable bench function as claimed in claim 2, further comprising:
the fixing holes (21) and the through holes (401) are all threaded holes and have the same inner diameter;
the fixed connecting rod (402) is a bolt;
the fixed connecting rod (402) is matched with the fixed hole (21) and the through hole (401).
4. The folding crutch with adjustable bench function as claimed in claim 1, further comprising:
the telescopic rod (31) comprises a telescopic outer sleeve (311), a telescopic inner rod (312) arranged inside the telescopic outer sleeve (311) and a locking pin (313);
a plurality of locking outer holes (301) are formed in the telescopic outer sleeve (311);
a plurality of locking inner holes (302) are formed in the telescopic inner rod (312);
the locking pin (313) penetrates through the locking outer hole (301) and is inserted into the locking inner hole (302).
5. The folding crutch with adjustable bench function as claimed in claim 1, further comprising:
the fixing hole (21) and the blind hole (621) are both threaded holes and have the same inner diameter;
the locking connecting rod (622) is a bolt matched with the fixing hole (21) and the blind hole (621).
6. The folding crutch with adjustable bench function as claimed in claim 1, further comprising:
a positioning strip (611) for preventing the sliding rod (61) from rotating is fixed on the sliding rod (61), and the positioning strip (611) is arranged along the axial direction of the sliding rod (61);
a bottom cover (22) is fixed at the bottom end of the lower rod body (2), and the lower part of the sliding rod (61) penetrates through the bottom cover (22) and extends to the outside of the lower rod body (2);
the bottom cover (22) is provided with a positioning groove (612) matched with the positioning strip (611).
7. The folding crutch with adjustable bench function as claimed in claim 1, further comprising:
a switch mechanism (7) for controlling the opening and closing of the upper rod body (1) and the lower rod body (2) is arranged on one side of the hinged part of the upper rod body (1) and the lower rod body (2);
the switch mechanism (7) comprises an upper clamping part (71) fixed on the inner wall of the upper rod body (1) and a lower clamping part (72) fixed on the inner wall of the lower rod body (2), and the upper clamping part (71) and the lower clamping part (72) can be clamped or loosened relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354106.6A CN109431757B (en) | 2018-11-14 | 2018-11-14 | Folding walking stick with adjustable stool function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354106.6A CN109431757B (en) | 2018-11-14 | 2018-11-14 | Folding walking stick with adjustable stool function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109431757A CN109431757A (en) | 2019-03-08 |
| CN109431757B true CN109431757B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354106.6A Active CN109431757B (en) | 2018-11-14 | 2018-11-14 | Folding walking stick with adjustable stool function |
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| Country | Link |
|---|---|
| CN (1) | CN109431757B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594612B (en) * | 2019-09-03 | 2020-07-17 | 深圳市海洋王照明工程有限公司 | Anti-vibration connecting structure and inspection lamp |
| CN112932570B (en) * | 2021-01-30 | 2022-11-25 | 江西省人民医院 | Dilator for orthopedic surgery |
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| Publication number | Publication date |
|---|---|
| CN109431757A (en) | 2019-03-08 |
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