CN211092820U - Multipurpose safety lifting chair for old people - Google Patents

Abstract

The utility model discloses an old man uses multipurpose safety lift chair, including base, lead screw assembly and scissors fork subassembly, lead screw assembly is installed to the upper end of base, and threaded connection has the movable block on the lead screw assembly, the stopper is installed in the outside of movable block, and the one end of stopper is located the spacing inslot, the inboard of guide pillar is seted up in the spacing groove, the bottom edge hub connection of seat has the guide disc, and the outside of guide disc has seted up the constant head tank, be provided with the locating lever in the constant head tank, and the locating lever runs through the outside of seat bottom, the bottom of guide disc is fixed with the connecting rod, and the bottom hub connection of connecting rod has the footboard, the activity groove has all been seted up in the outside of footboard and connecting rod, and installs elastic telescopic rod in the activity. This old man uses multipurpose safety lift chair adjusts the height of seat, and the old person of being convenient for user is in indoor operation and use, and the footboard can extend simultaneously, improves use comfort.

Description

Multipurpose safety lifting chair for old people

Technical Field

The utility model relates to an old man chair technical field specifically is an old man uses multipurpose safety lift chair.

Background

The geriatric chair provides the chair of rest and activity for the inconvenient old man of action, for the security and the convenience that improve old man's indoor life, adopts the wheelchair that can move about usually, and current geriatric chair has following problem when using nevertheless:

In daily life, the old person usually need stand and climb the height and access the article, clean the eminence health on chair or ladder, take place to stand the phenomenon that the shakiness leads to the incident that the old person fell easily, have very big potential safety hazard, need the old man's chair that a section can go up and down, simultaneously, the footboard of old man's chair mostly the rigidity, inconvenient extension to the expansion of inconvenient old person's legs and feet, the comfort level is lower.

Aiming at the problems, innovative design is urgently needed on the basis of the original chair for the old people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an old man uses safe lift chair of multipurpose to solve above-mentioned background and propose current old man chair, inconvenient old man climbs high access article, cleans the eminence health, the expansion of inconvenient old man's leg simultaneously, the lower problem of comfort level.

In order to achieve the above object, the utility model provides a following technical scheme: a multipurpose safety lifting chair for the old comprises a base, a lead screw assembly and a scissor assembly, wherein the lead screw assembly is installed at the upper end of the base, a movable block is connected onto the lead screw assembly in a threaded manner, a limiting block is installed on the outer side of the movable block, one end of the limiting block is located in a limiting groove, the limiting groove is formed in the inner side of a guide pillar, the guide pillar is fixed at the edge of the top of the base, the scissor assembly is installed on the base, a seat is connected onto the top of the scissor assembly, the middle of the scissor assembly is connected with an outer side shaft of the movable block, movable seats are fixed at the upper end of the base and the bottom of the seat, a mounting seat is sleeved on each movable seat, the top of the mounting seat is connected with the scissor assembly in a penetrating manner, a guide disc is connected to the edge of the bottom of the seat in a shaft manner, a, and the locating lever runs through the outside of seat bottom, the bottom of guide disc is fixed with the connecting rod, and the bottom hub connection of connecting rod has the footboard, the activity groove has all been seted up in the outside of footboard and connecting rod, and installs elastic telescopic rod in the activity groove.

Preferably, sliding connection between stopper and the spacing groove, and laminate each other between the outside of stopper and the inner wall of spacing groove.

Preferably, the number of the scissor assemblies is 2, and the scissor assemblies are symmetrically arranged around the central axis of the base, and one ends of the scissor assemblies are connected with the base and the seat through shafts.

preferably, the cross section of the mounting seat is designed into an L-shaped structure, and the mounting seat is connected with the movable seat in a sliding manner.

Preferably, the positioning rod and the positioning groove are clamped with each other, and the positioning groove is distributed at equal angles relative to the central axis of the guide disc.

Preferably, the end part of the elastic telescopic rod is of a spherical structure, and the diameter of the end part of the elastic telescopic rod is equal to the inner diameter of the movable groove.

Compared with the prior art, the beneficial effects of the utility model are that: the multipurpose safety lifting chair for the old;

1. The outer side of the arranged limiting block is mutually attached to the inner wall of the limiting groove, one ends of the two scissor assemblies are connected with the base and the seat through shafts, and the mounting seat is connected with the movable seat in a sliding mode, so that after the screw assembly is driven, the movable block slides up and down under the limiting action of the limiting block and the limiting groove, the sliding of the mounting seat on the movable seat is matched, the scissor assemblies connected with the movable block shafts are unfolded, the height of the seat is adjusted, and the stability of the seat is kept;

2. Through the mutual block between the locating lever that sets up and the constant head tank, and the constant head tank is angular distribution such as the central axis about the guide disc, and the diameter of elastic telescopic rod tip equals the internal diameter of activity groove simultaneously, can fix the guide disc after rotating through the locating lever, when the footboard rotates on the connecting rod simultaneously, the elastic telescopic rod atress is tensile to slide in the activity inslot simultaneously, keeps the stability after footboard and connecting rod expand, the extension and the support of person's of facilitating the use shank.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front cross-section structure of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the mounting base of the present invention;

Fig. 5 is a schematic view of the front cut structure of the chair of the present invention.

In the figure: 1. a base; 2. a lead screw assembly; 3. a movable block; 4. a limiting block; 5. a limiting groove; 6. a guide post; 7. a scissor assembly; 8. a movable seat; 9. a mounting seat; 10. a seat; 11. a guide disc; 12. positioning a groove; 13. positioning a rod; 14. a connecting rod; 15. a pedal; 16. an elastic telescopic rod; 17. a movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a multipurpose safety lifting chair for old people comprises a base 1, a screw component 2, a movable block 3, a limiting block 4, a limiting groove 5, a guide post 6, a scissor component 7, a movable seat 8, a mounting seat 9, a seat 10, a guide disc 11, a positioning groove 12, a positioning rod 13, a connecting rod 14, a pedal 15, an elastic telescopic rod 16 and a movable groove 17, wherein the screw component 2 is installed at the upper end of the base 1, the movable block 3 is connected to the screw component 2 in a threaded manner, the limiting block 4 is installed at the outer side of the movable block 3, one end of the limiting block 4 is positioned in the limiting groove 5, the limiting groove 5 is arranged at the inner side of the guide post 6, the guide post 6 is fixed at the edge of the top of the base 1, the scissor component 7 is installed on the base 1, the top of the scissor component 7 is connected with the seat 10, the middle of the scissor component 7 is connected with an outer side shaft of the movable block 3, the, the movable seat 8 is sleeved with the mounting seat 9, the top of the mounting seat 9 is connected with the scissor assembly 7 in a penetrating manner, the edge of the bottom of the seat 10 is connected with the guide disc 11 in a shaft manner, the outer side of the guide disc 11 is provided with the positioning groove 12, the positioning groove 12 is internally provided with the positioning rod 13, the positioning rod 13 penetrates through the outer side of the bottom of the seat 10, the bottom of the guide disc 11 is fixed with the connecting rod 14, the bottom of the connecting rod 14 is connected with the pedal 15 in a shaft manner, the outer sides of the pedal 15 and the connecting rod 14 are both provided with the movable grooves 17, and the movable grooves;

The limiting block 4 is connected with the limiting groove 5 in a sliding mode, the outer side of the limiting block 4 is attached to the inner wall of the limiting groove 5, the number of the scissor assemblies 7 is 2, the central axis of the base 1 is symmetrical, one end of each scissor assembly 7 is connected with the base 1 and the seat 10 in a shaft mode, when the screw rod assembly 2 is driven, the movable block 3 in threaded connection with the screw rod assembly 2 is driven to slide up and down under the limiting effect of the limiting block 4 and the limiting groove 5, the scissor assemblies 7 connected with the shafts of the movable block 3 are driven to unfold, height adjustment of the seat 10 is achieved, the seat 10 is kept stable through the 2 scissor assemblies 7, meanwhile, the screw rod assembly 2 has a self-locking function, and any height adjustment can be conducted;

the cross section of the mounting seat 9 is designed into an L-shaped structure, the mounting seat 9 is connected with the movable seat 8 in a sliding manner, when one side of the scissor assembly 7 is unfolded, the upper end and the lower end of the scissor assembly 7 rotate on the mounting seat 9, the mounting seat 9 is driven to slide on the movable seat 8, and the unfolding of the scissor assembly 7 is realized;

The positioning rods 13 are clamped with the positioning grooves 12, the positioning grooves 12 are distributed in an equal angle mode about the central axis of the guide disc 11, after the angles of the connecting rods 14 and the pedals 15 are adjusted by rotating the guide disc 11, the positioning rods 13 are clamped into the corresponding positioning grooves 12, and the connecting rods 14 and the pedals 15 are adjusted and fixed in position;

The tip of elasticity telescopic link 16 is spherical structure, and the diameter of 16 tip of elasticity telescopic link equals the internal diameter of activity groove 17, and after rotating footboard 15 on connecting rod 14, elasticity telescopic link 16 atress is tensile, and the tip of elasticity telescopic link 16 slides in activity groove 17 simultaneously, realizes the expansion of footboard 15 and connecting rod 14 to the extension of the person's of facilitating the use foot is placed.

The working principle is as follows: when the multipurpose safety lifting chair for the old people is used, as shown in fig. 1-3, firstly, the screw rod assembly 2 is started, the screw rod assembly 2 rotates, the limit block 4 slides in the limit groove 5 on the inner side of the guide pillar 6 to drive the movable block 3 in threaded connection with the screw rod assembly 2 to slide up and down, the scissors assembly 7 connected with the movable block 3 through a shaft moves along, one end of the scissors assembly 7 rotates on the base 1, the other end of the scissors assembly 7 rotates in the mounting seat 9 in fig. 1-2 and 4 and drives the mounting seat 9 to slide on the movable seat 8, and therefore the height of the chair 10 is adjusted through the scissors assembly 7;

Next, when a user sits on the seat 10, as shown in fig. 1 and 5, the guide plate 11 at the bottom edge of the seat 10 is rotated, the angle between the connecting rod 14 and the pedal 15 is adjusted, the positioning rod 13 is inserted into the seat 10, the positioning rod 13 is engaged with the positioning groove 12 on the guide plate 11, the rotated guide plate 11 is fixed, the foot of the user presses the pedal 15, the pedal 15 rotates on the connecting rod 14, the angle between the pedal 15 and the connecting rod 14 is changed, the pedal 15 is unfolded, and meanwhile, the elastic telescopic rod 16 is stretched under the force, the end of the elastic telescopic rod 16 slides in the movable groove 17, the stability between the pedal 15 and the connecting rod 14 is maintained through the elastic telescopic rod 16, and the legs of the user can be conveniently extended.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an old man is with safe lift chair of multipurpose, includes base (1), lead screw subassembly (2) and cuts fork subassembly (7), its characterized in that: the upper end of the base (1) is provided with a lead screw component (2), the lead screw component (2) is in threaded connection with a movable block (3), the outer side of the movable block (3) is provided with a limit block (4), one end of the limit block (4) is positioned in a limit groove (5), the limit groove (5) is arranged on the inner side of a guide pillar (6), the guide pillar (6) is fixed at the edge of the top of the base (1), the base (1) is provided with a scissor component (7), the top of the scissor component (7) is connected with a seat (10), the middle of the scissor component (7) is connected with the outer shaft of the movable block (3), the upper end of the base (1) and the bottom of the seat (10) are both fixed with a movable seat (8), the movable seat (9) is sleeved on the movable seat (8), and the top of the mounting seat (9) is in through connection with the scissor component (7), the bottom edge hub connection of seat (10) has guide plate (11), and the outside of guide plate (11) has seted up constant head tank (12), be provided with locating lever (13) in constant head tank (12), and locating lever (13) run through the outside of seat (10) bottom, the bottom of guide plate (11) is fixed with connecting rod (14), and the bottom hub connection of connecting rod (14) has footboard (15), activity groove (17) have all been seted up in the outside of footboard (15) and connecting rod (14), and install elastic telescopic rod (16) in activity groove (17).

2. The multipurpose safety lifting chair for the aged according to claim 1, characterized in that: sliding connection between stopper (4) and spacing groove (5), and laminate each other between the outside of stopper (4) and the inner wall of spacing groove (5).

3. The multipurpose safety lifting chair for the aged according to claim 1, characterized in that: the number of the scissor assemblies (7) is 2 about the central axis of the base (1), and one end of each scissor assembly (7) is connected with the base (1) and the seat (10) through shafts.

4. the multipurpose safety lifting chair for the aged according to claim 1, wherein the cross section of the mounting seat (9) is designed in an L-shaped structure, and the mounting seat (9) is connected with the movable seat (8) in a sliding manner.

5. The multipurpose safety lifting chair for the aged according to claim 1, characterized in that: the positioning rod (13) and the positioning groove (12) are clamped with each other, and the positioning groove (12) is distributed at equal angles relative to the central axis of the guide disc (11).

6. The multipurpose safety lifting chair for the aged according to claim 1, characterized in that: the end part of the elastic telescopic rod (16) is of a spherical structure, and the diameter of the end part of the elastic telescopic rod (16) is equal to the inner diameter of the movable groove (17).

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