CN204364260U - What a kind of user of convenience passed in and out helps barrier chair - Google Patents

Abstract

What the utility model discloses that a kind of user of convenience passes in and out helps barrier chair, comprise a portion and back-rest, the side in seat portion is provided with handrail, described seat portion has the space for user's i/o block portion relative to the opposite side of handrail, lift preventer is provided with below this space, preventer comprises driving device and elevating guardrail, and after user enters a portion, driving device drives elevating guardrail to be increased to above a portion.User can be facilitated to pass in and out the seat portion of chair by arranging liftable preventer.

Description

A barrier-assisted chair that is convenient for users to enter and exit

technical field

The utility model relates to a chair, in particular to a barrier-assisting chair which is convenient for users to enter and exit.

Background technique

Chairs are the most common furniture we see. There are different types of chairs for different functions, such as office chairs, lunch break chairs, wheelchairs, etc. With the intensification of the aging society, more and more elderly people need to be taken care of, and various household elderly chairs have appeared for the inconvenience of the elderly, such as standing chairs that are convenient for the elderly to get off from the seat of the chair. In conventional chairs, the seat of the chair is blocked by the backrest and the armrests on both sides, and people can only get on the seat of the chair from the front, which is very troublesome for people who are inconvenient to walk, especially those who are originally sitting. people in wheelchairs. There are many chairs with liftable armrests in life, such as a patent for a liftable chair armrest, the patent number is 201010236069.6, and the application date is July 26, 2010. The plan is: a liftable chair armrest, including the armrest surface (1), the armrest bar (2) and the rear foot of the chair (9), are characterized in that: the armrest surface (1) is connected with one end of the armrest bar (2) in a T shape; the armrest bar (2) is covered with a catch ( 4), the catch (4) is set on the armrest bar (2) through the upper and lower notches 6, and a spring block (3) is arranged between the lower notch 6 and the catch (4); the upper part of the rear foot of the chair (9) There are 3 round holes (10) evenly, the handrail (2) is provided with tenon holes (5), the tenon marbles (7) are placed on the tenon holes (5), and one end is inside the handrail (2) , the other end protrudes from the round hole (10) of the back foot of the chair (9), and the armrest rod (2) is provided with a spring (8), and the spring (8) is inserted into the groove of the tenon pinball (7).

Although the armrests of the chair in the above-mentioned patent can be raised and lowered, which can make it easier for users who are inconvenient to walk to enter the seat of the chair, the armrests in the patent are still higher than the seat of the chair, making it inconvenient for users to enter the chair from the side. On the seat portion of the chair, the armrests cannot be lifted and lowered automatically, and manual operation is required. The user can only enter the seat portion of the chair from the front of the chair in a traditional way.

Utility model content

The technical problem solved by the utility model is to overcome the above-mentioned deficiencies in the prior art and provide a barrier-assisting chair that is convenient for users to enter and exit. By providing a space for users to enter and exit the seat on the other side of the seat relative to the armrest, it is convenient The user enters the seat of the wheelchair from the side.

In order to solve the above technical problems, the utility model adopts the following technical measures:

A handicap assisting chair that is convenient for users to enter and exit, including a seat and a backrest, one side of the seat is provided with an armrest, and the feature is that the other side of the seat relative to the armrest has a space for the user to enter and exit the seat A lift-type protective device is provided below the space, and the protective device includes a driving device and a lifting guardrail. After the user enters the seat, the driving device drives the lifting guardrail to rise above the seat.

Furthermore, the lift-type protection device includes a fixed seat, the fixed seat is installed on the seat, and the driving device is arranged on the fixed seat, and the lifting guardrail is connected with the driving device and moves up and down along the fixed seat driven by the driving device.

Furthermore, the lifting protection device further includes a guide seat arranged on the fixed seat and a sliding rod sliding along the guide seat, and the sliding rod is fixed to the lifting guardrail.

Further, the protective device also includes a connecting rod, a first guide structure and a second guide structure arranged on the fixed seat, the first guide structure includes a first guide seat and a first sliding rod sliding along the first guide seat , the second guide structure includes a second guide seat and a second slide bar sliding along the second guide seat, the first slide bar and the second slide bar are fixed on the connecting rod at the same time, the connecting bar is fixedly connected with the movable guardrail, and the driving device is set On the fixed seat and push the connecting rod to move up and down.

Furthermore, the movable guardrail is a shell with a hollow opening, and the lifting guardrail is sheathed on the fixed seat.

Furthermore, a support tube is provided under the seat, and the support tube extends to both sides of the seat to form a mounting part, and the fixing seat is installed on the mounting part and fixed by bolts.

Furthermore, an adjusting nut structure is provided under the installation part.

Furthermore, the wheelchair also includes an article supporting device, which is movably arranged on the lifting guardrail.

Furthermore, the protective device is provided with a fixed structure for stabilizing the article supporting device, and the movable guardrail is provided with installation holes, and the bottom of the article supporting device passes through the installation holes and is fixed on the fixed structure.

Furthermore, the armrest includes a fixed part and a movable part that can move relative to the fixed part.

Due to the adoption of the above technical solutions, the utility model has the following beneficial technical effects.

The utility model provides a space for users to enter and exit the seat on the other side of the seat relative to the armrest, so that users who are inconvenient to get on and off the seat can enter and exit the seat of the chair from the side of the chair, allowing users to The user can enter and exit the seat portion of the chair in multiple directions. At the same time, there is a lifting protection device under the space. The protection device includes a driving device and a lifting guardrail. After the user enters the seat, the driving device drives the lifting guardrail to rise above the seat, so as to better protect users with limited mobility. Or, to prevent danger, at the same time, when a user with limited mobility wants to get on the seat of the chair, the lifting guardrail of the chair can be lowered below the seat of the chair, which is convenient for the user to get on the seat of the chair.

The utility model facilitates the user to place things by arranging the article supporting bracket on the lifting guardrail, and simultaneously the article supporting bracket is movably arranged on the lifting guardrail, so that the position of the article supporting bracket can be changed according to the user's needs. The lifting guardrail is supported by providing a guide seat and a sliding rod sliding along the guide seat on the fixed seat, so that the lifting guardrail can be made more stable.

Description of drawings

Accompanying drawing 1 is a kind of perspective view of the barrier-assisting chair of the utility model that is convenient for users to enter and exit.

Accompanying drawing 2 is the three-dimensional view of the barrier-assisting chair after the lift-type protective device of the utility model descends.

Accompanying drawing 3 is the explosion diagram of the utility model barrier aid chair.

Accompanying drawing 4 is the exploded view of the lifting protection device of the present utility model.

Accompanying drawing 5 is that the utility model is the exploded view of lifting guardrail.

Main reference signs:

1. Backrest; 2. Lifting protective device; 3. Armrest; 4. Seat; 5. Bearing device; 11. Installation part; 13. Adjusting nut structure; 21. Lifting guardrail; 22. Connecting rod; 23. The first slide bar 23; 24. the first guide seat; 25. the fixed seat; 26. the second slide bar; 27. the second guide seat.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 to 5, a handicap assisting chair that is convenient for users to enter and exit includes a seat 4 and a backrest 1 disposed on the seat 4. One side of the seat 4 is provided with an armrest 3, and the seat 4 is opposite to each other. On the other side of the armrest 3, there is a space for the user to enter and exit the seat 4, so that the user can enter and exit the seat 4 of the wheelchair through the space for entering and exiting the seat 4, which is convenient for the user to choose a seat. The space for the user to enter and exit the seat is that there is no obstacle higher than the seat on the other side of the armrest to hinder the user from entering and exiting the seat or the distance of the obstacle above the seat is less than 10 cm, a preferred value is 3 cm. The space below the seat 4 for users to enter and exit is provided with a lift-type protective device 2. The protective device 2 includes a driving device 28 and a lifting guardrail 21. After the user enters the seat 4, the driving device 28 drives the lifting guardrail 21 to rise to Above the seat portion 4. By arranging the lifting guardrail 21, it is possible to effectively prevent the danger of the user falling from the space for entering and exiting the seat portion 4. The driving device 28 includes an electric push rod. Or the driving device 28 is a transmission mechanism composed of a motor, a screw and a nut, or a transmission mechanism composed of a motor, a gear and a rack.

As shown in Figure 3, the lift type guard 2 comprises a lifting guardrail 21, a driving device 28 and a fixed seat 25, the fixed seat 25 is fixed on the seat portion 4, and the driving device 28 is located on the fixed seat 25, and the driving device 28 is an electric motor. The push rod, the lifting guardrail 21 is fixedly connected with the electric push rod, and the lifting guardrail 21 moves up and down relative to the fixed seat 25 under the drive of the electric push rod. The protective device 2 also includes a connecting rod 22, a first guide structure and a second guide structure arranged on the fixed seat 25, the first guide structure includes a first guide seat 24 and a first sliding rod 23 sliding along the first guide seat 24 , the second guide structure includes a second guide seat 27 and a second slide bar 26 sliding along the second guide seat 27, the first slide bar 23 and the second slide bar 26 are fixed on the connecting rod 22 at the same time, the connecting bar 22 is connected with the lifting The guardrail 21 is fixedly connected, and the driving device 28 is arranged on the fixing seat 25 and pushes the connecting rod 22 to move up and down. By arranging the first guide structure and the second guide structure, the lifting guardrail 21 can be made more stable and smooth when rising or falling. In the utility model, only one set of the guide mechanism may be provided, for example, only the first guide structure is reserved, which also achieves the purpose of making the lifting guardrail 21 more stable and smooth when rising or falling.

The lifting guardrail 21 is a shell structure with a hollow opening, the lifting guardrail 21 is sleeved on the fixing seat 25, the connecting rod 22 is provided with a screw hole, and the connecting rod 22 and the lifting guardrail 21 are fixed by screws. At the same time, in the prior art, there are many ways of fixing the connecting rod 22 and the lifting guardrail 21, such as gluing, welding, riveting, etc., which will not be repeated here.

As shown in Fig. 4 and Fig. 5, a kind of handicap assisting chair that is convenient for users to enter and exit has a support tube under the seat 4, and the support tube extends to both sides of the seat 4 to form a mounting part 11, and the fixing seat 25 Installed on the mounting part 11 and fixed by bolts. Here, the fixing seat 25 and the mounting portion 11 can also be fixedly connected by other fixing methods in the present technology, such as glue, welding, riveting and the like. An adjustment nut structure 13 is provided under the installation part 11 for adjusting the balance of the wheelchair when the ground is uneven. A mounting hole 211 is provided on the shell-type lifting guardrail 21 with a hollow opening, and a fixing structure is provided below the mounting hole 211, and the fixing structure includes a setting hole 212. The supporting device 5 includes a fixed rod, and the fixed rod of the article supporting device 5 passes through the installation hole 211 of the lifting guardrail 21 and is fixed on the installation hole 212 of the fixed structure. The fixing structure is a fixing piece with an installation hole 212 , and the fixing piece is fixed under the installation hole 211 . The fixed structure here is used to stabilize the fixed rod of the article supporting device 5, so the fixed structure can be a fixed piece with a gap on the fixed piece. The hole 212 is used to fix the fixing rod of the article supporting structure. The item supporting device can be a metal platform that is anti-scalding, or a shelf for placing electronic equipment, such as a small table board for a leisure chair, etc.

The handrail 3 described in the utility model includes a fixed part and a movable part that can move relative to the fixed part. The lifting guardrail, the movable part can be driven by the driving device to change the up and down position of the handrail 3 relative to the seat part 4.

The handicap assisting chair that is convenient for users to get in and out of the utility model is a chair that is convenient for users to get in and out of the seat part 4, and is especially suitable for people with mobility problems, such as users with lower limb disabilities.

A barrier-assisted chair that is convenient for users to enter and exit works as follows.

When the user wants to sit on the barrier-assisting chair described in the utility model, the lifting guardrail 21 of the lift-type protective device 2 is lowered below the seat 4 of the barrier-assisting chair, thereby forming a space for the user to conveniently enter and exit the chair seat 4, In this way, the user can enter and exit the seat 4 of the barrier-assisting chair through the space without going around to the front of the barrier-assisting chair to take a seat, especially when the user is a person with limited mobility, with the assistance of others When taking a seat, it is more convenient to sit from the side of the chair. After the user takes a seat, the lifting guardrail 21 of the lifting protection device 2 will rise under the drive of the driving device 28, thereby preventing the user from falling down from the space. During the lifting process of the lifting guardrail 21, the first guiding structure and the second guiding structure can make the lifting guardrail 21 more stable and smooth.

Lifting guardrail 21 is provided with movable type bearing device 5, and described bearing device 5 can allow user's mouth to place things. The object bearing device 5 is fixed on the installation hole 212 after passing through the installation hole 211 of the lifting guardrail 21 .

The above is only a preferred embodiment of the utility model, so the scope of implementation of the utility model cannot be limited accordingly, that is, the equivalent changes and modifications made according to the patent scope of the utility model and the contents of the specification should still belong to this utility model. within the scope of utility models.

Claims (10)

1. one kind facilitate user to pass in and out help barrier chair, comprise a portion and back-rest, the side in seat portion is provided with handrail, it is characterized in that, described seat portion has the space for user's i/o block portion relative to the opposite side of handrail, and be provided with lift preventer below this space, preventer comprises driving device and elevating guardrail, after user enters a portion, driving device drives elevating guardrail to be increased to above a portion.

2. according to claim 1ly help barrier chair, it is characterized in that, described lift preventer comprises holder, and holder is installed in present portion, driving device is located on holder, and elevating guardrail is connected with driving device and moves up and down along holder under the drive of driving device.

3. according to claim 2ly help barrier chair, it is characterized in that, described lifting preventer also comprises the guide holder is located on holder and the sliding bar slided along guide holder, and sliding bar and elevating guardrail are fixed.

4. according to claim 2ly help barrier chair, it is characterized in that, described preventer also comprises connecting rod, be located at the first guide frame on holder and the second guide frame, the first sliding bar that first guide frame comprises the first guide holder and slides along the first guide holder, the second sliding bar that second guide frame comprises the second guide holder and slides along the second guide holder, first sliding bar and the second sliding bar are fixed on connecting rod simultaneously, connecting rod is fixedly connected with movable rail, and driving device to be located on holder and to be promoted connecting rod and moves up and down.

5. according to claim 4ly help barrier chair, it is characterized in that, described movable rail is the housing of hollow open, and elevating guardrail is sheathed on holder.

6. according to claim 2ly help barrier chair, it is characterized in that, described seat subordinate is provided with stay pipe, and described stay pipe extends to form installation portion to both sides, seat portion, and described holder to be installed on installation portion and to be bolted.

7. according to claim 6ly help barrier chair, it is characterized in that, under described installation portion, be provided with adjusting nut structure.

8. according to claim 1ly help barrier chair, it is characterized in that, help barrier chair also to comprise article bearing device, the activity of article bearing device is located on described elevating guardrail.

9. according to claim 8ly help barrier chair, it is characterized in that, described preventer is provided with the fixed structure of stable article bearing device, and movable rail is provided with installing hole, and the bottom of article bearing device is fixed on fixed structure through after installing hole.

10. according to claim 1ly help barrier chair, it is characterized in that, described handrail comprise fixed part with can relative to the movable part of fixed part movement.