CN206630851U - A kind of deployable crutch into seat - Google Patents

Abstract

The utility model discloses a crutch that can be expanded into a chair, which includes a folding frame and supporting feet. The folding frame includes: a first frame structure support, a second frame structure support and a seat surface; a first frame structure support and a second frame structure The brackets are connected together through the cross rotation of the rotating shaft; the seat surface is a soft cloth structure, one end of the seat surface is connected to one side of the first frame structure bracket, and the other end is connected to one side of the second frame structure bracket; the legs include U-shaped pipe, leg outer casing and backrest; the opening of the U-shaped pipe is upward, one end of the leg outer casing is connected to the bottom of the U-shaped pipe, and the other end points to the outside of the U-shaped pipe; the backrest is sleeved on the U-shaped pipe. The utility model can be unfolded into a crutch for a chair. When it is in the folded state, the folding frame and the legs can be connected to form a crutch; The structure is simple and stable; when not in use, it can be folded and the legs can be separated at the same time.

Description

A crutch that unfolds into a chair

technical field

The utility model relates to a crutch that can be expanded into a chair, belonging to the field of daily necessities.

Background technique

A cane is a simple walking aid, usually a wooden or metal stick. Most of the people who need to use crutches to assist walking are elderly or suffering from diseases and weak physical strength. They may need to sit down and rest at any time during walking.

Although there are a small number of crutches that can be transformed into stools on the existing market, the transformed stools often have many defects, such as unreasonable structure, instability, easy toppling, lack of backrest, and too small a stool surface, etc. Let the user really comfortable and safe to use. Moreover, crutches on the existing market cannot be effectively reduced in size by splitting and folding when not in use, and are inconvenient to store and carry.

Utility model content

The utility model provides a crutch that can be unfolded into a chair, which has a reasonable structure, is stable, and is not easy to fall over, and has a backrest and a seat surface that can be set according to needs, and is easy to use, and the user can use it comfortably and safely; When in use, the size can be effectively reduced by splitting and folding, which is convenient for storage and portability.

In order to solve the problems of the technologies described above, the technical scheme adopted in the utility model is as follows:

A crutch that can be unfolded into a chair is characterized in that it includes a folding frame and legs;

The folding frame includes: a first frame structure support, a second frame structure support and a seat surface; the first frame structure support and the second frame structure support are quadrilateral frame structures with the same structure; the first frame structure support and the second frame structure support Connected together through the cross rotation of the rotating shaft; the seat surface is a soft cloth structure, one end of the seat surface is connected to one side of the first frame structure bracket, and the other end is connected to one side of the second frame structure bracket; the first The side connecting the frame structure support and the seat surface is defined as the first support upper tube, and the side opposite to the first support upper tube on the first frame structure support is defined as the first support lower tube; the second frame structure support and the seat The side connected to the chair surface is defined as the upper tube of the second bracket, and the side opposite to the upper tube of the second frame structure is defined as the lower tube of the second bracket, and the upper tube of the first bracket and the upper tube of the second bracket are parallel to each other ;

The leg includes a U-shaped tube, a leg outer sleeve and a backrest; the U-shaped tube opens upwards, one end of the leg outer sleeve is connected to the bottom of the U-shaped tube, and the other end points to the outside of the U-shaped tube; the backrest is sleeved on the U-shaped tube;

The middle of the upper tube of the first bracket is provided with an upper tube through hole, and the middle of the lower tube of the second bracket is provided with a foot insertion hole; The axis of the tube through hole is on the same straight line, the outer casing of the leg passes through the through hole of the upper tube and inserted into the leg insertion hole; the U-shaped tube and the backrest are left above the upper tube of the first bracket to form a backrest;

The bottoms of the lower tube of the first bracket and the lower tube of the second bracket are provided with U-shaped tube insertion holes, and the lower tubes of the first bracket and the lower tube of the second bracket are all provided with pin holes, and the U-shaped tube insertion holes and the pin holes are both Blind hole, the U-shaped tube insertion hole on the lower tube of the first bracket is vertically connected with the pin hole on the lower tube of the first bracket, and the U-shaped tube insertion hole of the lower tube of the second bracket is perpendicular to the pin hole on the lower tube of the second bracket The two ends of the U-shaped tube are respectively provided with U-shaped tube through holes; when the folding frame is folded, the opening of the U-shaped tube insertion hole is vertically downward; the two ends of the U-shaped tube are inserted into the lower tube of the first bracket and the second tube respectively. The U-shaped tube of the lower tube of the bracket is inserted into the hole, and two bolts pass through the pin holes on the lower tube of the first bracket and the lower tube of the second bracket respectively, and are inserted into the U-shaped tube through holes at the two ends of the U-shaped tube to form crutches.

When the folding frame was in the open state, the unfolding angle of the supporting pin completely locked the folding frame to make it stable, and the U-shaped tube stretched out together with the back surface on it to realize the backrest function of the chair on the upper tube of the first bracket.

When the folding frame is in the folded state, the U-shaped tube is inserted into the two U-shaped tube insertion holes. At this time, the through hole of the U-shaped tube is aligned with the pin hole. When the pin is inserted into the pin hole, the U-shaped tube through hole is also inserted. , so as to realize the fast connection between the feet and the folding frame. On the one hand, the legs will not fall out of the folding frame when in use. At this time, the upper tube of the first bracket folded together and the upper tube of the second bracket form the grip part of the crutch, and the end of the outer sleeve of the leg that is not connected with the U-shaped tube is in contact with the bottom surface.

When the above-mentioned folding frame is in an open state, that is, when it is unfolded into a seat; when the folding frame is in a folded state, that is, when it is folded into a crutch.

The above-mentioned upper, lower, top, bottom, etc. are the relative positions of the use state, and the upper corresponds to the top, and the lower corresponds to the bottom; the above-mentioned U-shaped tube and the outer casing of the leg are connected end to end in the length direction, forming a shape similar to a Y or a rice fork; The bottom of the first bracket down tube and the second bracket down tube refers to the part where the first bracket down tube and the second bracket down tube are in contact with the ground when used as a seat; when the folding frame is opened, it forms a seat, and when it is folded up, it acts as a crutch ;

The above-mentioned seat surface is a soft fabric structure, that is, the seat surface is a fabric stool surface. When the folding frame is in the folded state, the seat surface is sandwiched between the first bracket connecting rod and the second bracket connecting rod. When open, the seat surface is taut.

In order to adjust the height of the crutches or the height of the backrest conveniently, the outer sleeve of the leg is attached with the inner sleeve of the leg. The length of the inner sleeve of the leg protruding from the outer sleeve of the leg can be adjusted and locked with the adjustment lock. When it is unfolded into a seat, The outer sleeve of the leg passes through the through hole of the upper tube, and the end of the inner sleeve of the leg is inserted into the insertion hole of the leg.

That is to say, the bottom of the U-shaped tube is connected with the outer sleeve of the leg, and an inner sleeve of the leg is inserted in the outer sleeve of the leg. A fabric material backrest is connected.

In order to simplify the structure, reduce the cost and facilitate the use, the first frame structure bracket includes the first bracket upper tube, the first bracket lower tube and two first bracket connecting rods, the first bracket upper tube and the first bracket lower tube are arranged in parallel , two first bracket connecting rods are respectively arranged at both ends between the first bracket upper tube and the first bracket lower tube, and are connected with the first bracket upper tube and the first bracket lower tube as a whole;

The second frame structure bracket includes a second bracket upper tube, a second bracket lower tube and two second bracket connecting rods, the second bracket upper tube and the second bracket lower tube are arranged in parallel, and the two second bracket connecting rods are respectively arranged on A frame structure in which the two ends between the second support upper tube and the second support lower tube are connected together with the second support upper tube and the second support lower tube;

The two first bracket connecting rods and the two second bracket connecting rods are cross-rotated and connected together through the rotating shaft;

One end of the seat surface is connected to the upper tube of the first bracket, and the other end is connected to the upper tube of the second bracket.

That is, the first bracket upper tube, the first bracket connecting rod, the first bracket lower tube and the first bracket connecting rod in the first frame structure bracket are connected in sequence to form a frame structure; the second bracket in the second frame structure bracket The upper tube, the second bracket connecting rod, the second bracket lower tube and the second bracket connecting rod are connected in sequence to form a frame structure; the two first bracket connecting rods and the two second bracket connecting rods are connected in a cross-rotating manner through the rotating shaft. Together, thereby realizing the folding and unfolding of the seat surface driven by the upper tube of the first bracket and the upper tube of the second bracket.

In order to facilitate production and use, the crutch that can be expanded into a chair also includes an outer casing of the folding frame and an inner casing of the folding frame, and the two first bracket connecting rods are connected to the first bracket upper tube and the first bracket lower tube. Vertical welding to form the first frame structure support of the overall structure; two second support connecting rods and the second support upper tube and the second support lower tube are vertically welded to form the first frame structure support of the overall structure; the first frame structure support and The second frame structure support has the same shape and equal size; the two second support connecting rods are sandwiched between the two first support connecting rods; Welding at the middle position; the middle of the length direction of the connecting rods of the two first brackets has connecting rod shaft holes on the same line as the outer casing of the folding frame, and the inner casing of the folding frame passes through all the connecting rod shaft holes and The outer sleeve of the folding frame, the first bracket connecting rod and the second bracket connecting rod rotate around the inner sleeve of the folding frame to realize the folding and opening of the seat surface.

The inner casing of the folding frame passes through all the shaft holes of the connecting rod and the outer casing of the folding frame at the same time, that is, the inner casing of the folding frame first passes through a shaft hole of the connecting rod, then passes through the outer casing of the folding frame, and finally passes through another connection shaft hole.

Preferably, the distance between the connecting rods of the first bracket is just enough to clamp two connecting rods of the second bracket.

In order to further improve the stability in use, one end of the outer casing of the leg is connected to the middle of the bottom of the U-shaped tube, and the other end points out of the U-shaped tube. That is, it is similar to the shape of a rice fork.

In order to further improve the stability of use, when the folding frame is in the open state, the axis of the upper tube through hole is perpendicular to the ground, the foot insertion hole is a blind hole with the opening vertically upward, and the axis of the foot insertion hole and the upper tube through hole On the same straight line perpendicular to the ground, the outer sleeve of the leg is inserted into the leg insertion hole through the through hole of the upper tube.

The technology not mentioned in the utility model all refers to prior art.

The utility model can be unfolded into a crutch for a chair. When it is in a folded state, the folding frame and the legs can be connected to form a crutch, and further the height of the crutch can be adjusted by the length of the inner casing of the leg protruding from the outer casing of the leg to suit the Users of different heights; when the folding frame is opened, it can quickly transform into a chair state, with a relatively comfortable seat surface and backrest, suitable height, decent size, simple structure, safety and stability, and easy operation; when not needed When in use, the folding frame can be folded, and the legs can be separated at the same time, and the inner casing can be retracted into the outer casing of the feet, so that the size is greatly reduced, so as to reduce storage space or facilitate carrying out.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of the crutch state of the present invention.

Fig. 2 is a bottom view of Fig. 1 .

Fig. 3 is a schematic diagram of the exploded structure of the crutch state of the present invention.

Fig. 4 is a three-dimensional structural schematic view of the seat state of the utility model.

Fig. 5 is a schematic diagram of an exploded structure of the seat state of the present invention.

In the accompanying drawings: 1 folding frame, 11 first bracket upper tube, 12 first bracket lower tube, 13 first bracket connecting rod, 14 second bracket upper tube, 15 second bracket lower tube, 16 second bracket connecting rod, 17 Seat surface, 18 Outer sleeve of folding frame, 2 legs, 21 U-shaped tube, 22 Outer tube of legs, 23 Backrest, 24 Adjustment lock, 25 Inner sleeve of legs, 26 Through hole of U-shaped tube, 30 Inserting hole of legs, 31 Bolt hole, 32 U-shaped pipe insertion hole, 33 bolt, 34 connecting rod shaft hole, 35 folding frame inner sleeve pipe, 36 upper tube through hole.

detailed description

In order to better understand the utility model, the content of the utility model is further explained below in conjunction with the examples, but the content of the utility model is not limited to the following examples.

As shown in Figures 1-5, the crutch that can be expanded into a chair includes a folding frame 1 and a foot 2, wherein the folding frame 1 includes a first bracket upper tube 11, a first bracket lower tube 12, two second brackets A support connecting rod 13, a second support upper tube 14, a second support lower tube 15, two second support connecting rods 16 and a seat surface 17; wherein, the supporting leg 2 includes a U-shaped tube 21, a leg Outer sleeve 22, a back 23, an adjustment lock 24 and a foot inner sleeve 2.

As shown in Figure 1-5, the two first bracket connecting rods 13 are vertically welded to both ends between the first bracket upper tube 11 and the first bracket lower tube 12, and the two second bracket connecting rods 16 are vertically welded to the first bracket lower tube 12. At the two ends between the upper tube 14 of the two brackets and the lower tube 15 of the second bracket, a folding frame outer sleeve 18 is welded in the middle of the two second bracket connecting rods 16, and the distance between the two first bracket connecting rods 13 can just clamp Hold two second support connecting rods 16, the center of two first support connecting rods 13 is provided with connecting rod shaft hole 34 and is aligned with folding frame outer casing 18 and then penetrates a folding frame inner casing 35, allowing the first The bracket connecting rod 13 and the second bracket connecting rod 16 are rotatably connected around the inner casing 35 of the folding frame, so as to realize the folding and opening of the folding frame 1 .

As shown in Figures 4-5, an upper tube through hole 36 is arranged in the middle of the upper tube 11 of the first bracket. When the folding frame 1 is in an open state, the axis of the upper tube through hole 36 is perpendicular to the ground. The middle of the tube through hole 36 can pass through the leg outer sleeve 22; the middle of the lower tube of the second bracket is provided with a leg insertion hole 30, when the folding frame 1 is in the open state, the leg insertion hole 30 is a blind hole with an opening vertically upward , can be inserted into the inner casing 25 of the leg;

As shown in Figures 1-3, the lower ends of the first bracket lower tube 12 and the second bracket lower tube 15 are respectively provided with a U-shaped tube insertion hole 32 and a pin hole 31, and the U-shaped tube insertion hole 32 and the pin hole 31 Both are blind holes. When the folding frame 1 is folded, the openings of the two U-shaped tube insertion holes 32 are vertically downward, and the axis of the pin hole 31 is perpendicular to the axis of the U-shaped tube insertion hole 32 .

As shown in Figure 1-5, this seat surface 17 is the fabric stool surface that both sides are connected on the first bracket upper pipe 11 and the second support upper pipe 14, when the folding frame 1 is in the folded state, the seat surface 17 Sandwiched between the first bracket connecting rod 13 and the second bracket connecting rod 16, when the folding frame 1 is in the open state, the seat surface 17 is tight.

As shown in Figure 1-5, the lower end of the U-shaped tube 21 is connected with a leg outer sleeve 22 in the middle, and a leg inner sleeve 25 is inserted into the leg outer sleeve 22, and the leg inner sleeve 25 extends out of the leg outer sleeve 22. The length can be adjusted and can be fastened with an adjustment lock 24 . The U-shaped tube is connected with a fabric material back surface 23 . Two U-shaped tube through-holes 26 are provided at the upper end of the U-shaped tube.

As shown in Figures 1-3, when it needs to be used as a crutch, the first bracket connecting rod 13 and the second bracket connecting rod 16 are rotated around the inner casing 35 of the folding frame, and the upper tube 11 of the first bracket and the second bracket are rotated. The upper tubes 14 are brought together, and the folding frame 1 reaches the folded state at this time, and the U-shaped tube 21 is inserted into the two U-shaped tube insertion holes 32. At this time, the U-shaped tube through hole 26 is aligned with the pin hole 31, and the pin hole 31 is inserted into the U-shaped pipe through hole 26 while inserting the latch 33, so as to realize the fast connection between the support leg 2 and the folding frame 1. On the one hand, the support leg 2 will not fall out of the folding frame 1 during use, and on the other hand , the U-shaped tube 21 of the leg 2 will also block the folding frame 1 and cannot be opened and is always in the folded state. At this time, the folding frame 1 and the leg 2 are connected to form a crutch (as shown in Figure 1), and the height of the crutch can be passed through the leg. The length of the sleeve 25 protruding from the leg outer sleeve 22 is adjusted to suit users of different heights.

As shown in Figure 4-5, when it needs to be used as a seat, the folding frame 1 is separated from the legs 2, and the folding frame 1 is opened. At this time, the axes of the leg insertion hole 30 and the upper tube through hole 36 are on the same vertical line. On the straight line on the ground, after the outer sleeve 22 of the leg can penetrate the through hole 36 of the upper tube, one end of the inner sleeve 25 of the extension leg can be pushed into the insertion hole 30 of the leg. stable (as shown in Figure 4), while the U-shaped tube 21 stretches out above the first bracket upper tube 11 together with the backrest surface 23 on it, realizing the backrest function of the chair, the operation process is simple and quick, and there is a relatively comfortable seat The seat surface and backrest are suitable in height, decent in size, simple in structure, safe and stable.

When storage is required, the folding frame 1 is separated from the legs 2, the folding frame 1 is folded, and the inner sleeve 25 of the leg is retracted into the outer sleeve 22 of the leg, so that the size of the crutch is greatly reduced, thereby reducing storage space or making it easy to carry out.

The above descriptions are only preferred embodiments of the present utility model, rather than limiting the present utility model in any form. Those skilled in the art can implement various equivalent changes and improvements on the basis of the above-mentioned embodiments, and all equivalent changes and modifications made within the scope of the claims shall fall within the protection scope of the present utility model.

Claims (6)

1. A kind of 1. deployable crutch into seat, it is characterised in that：Including folding stand (1) and leg (2)；

   Folding stand (1) includes：First frame structure support, the second frame structure support and seat face (17)；First frame structure Support and the second frame structure support are structure identical quadrilateral frame structure；First frame structure support and the second framework knot Structure support is intersected by rotary shaft to be rotatably connected；Seat face (17) is soft fabric construction, and seat face (17) one end connects It is connected in a line of the first frame structure support, the other end is connected in a line of the second frame structure support；By first Frame structure support is defined as first support upper tube (11) with one side that seat face (17) are connected, by the first frame structure support Relative one side is defined as first support down tube (12) with first support upper tube (11)；By the second frame structure support and seat face (17) connection one side be defined as second support upper tube (14), by the second frame structure support with second support upper tube (14) phase To one side be defined as second support down tube (15), first support upper tube (11) is parallel to each other with second support upper tube (14)；

   Leg (2) includes U-tube (21), leg outer tube (22) and backrest surface (23)；U-tube (21) opening upwards, outside leg One end of sleeve pipe (22) is connected to U-tube (21) bottom, the other end points to U-tube (21) outside；Backrest surface (23) noose is in U-tube (21) on；

   The centre of first support upper tube (11) is provided with pipe through-hole (36), and the centre of second support down tube is provided with leg insertion Hole (30)；When folding stand (1) is in open mode, leg patchhole (30) be opening upwards blind hole, leg patchhole (30) and upper pipe through-hole (36) axis on same straight line, leg outer tube (22) through upper pipe through-hole (36) insertion leg In patchhole (30)；The top that U-tube (21) and backrest surface (23) stay in first support upper tube (11) forms backrest；

   The bottom of first support down tube (12) and second support down tube (15) offers U-tube patchhole (32), first support Pin hole (31) is equipped with down tube (12) and second support down tube (15), U-tube patchhole (32) and pin hole (31) are Blind hole, the pin hole (31) on U-tube patchhole (32) and first support down tube (12) in first support down tube (12) are vertical Communicate, the vertical phase of pin hole (31) on the U-tube patchhole (32) and second support down tube (15) of second support down tube (15) It is logical；The both ends of U-tube (21) are respectively equipped with U-tube through hole (26)；When folding stand (1) folds, U-tube patchhole (32) are opened Mouth is vertically downward；First support down tube (12) is inserted at the both ends of U-tube (21) respectively and the U-tube of second support down tube (15) is inserted Enter in hole (32), two latches (33) are each passed through the pin hole in first support down tube (12) and second support down tube (15) (31) insert in the U-tube through hole (26) at the both ends of U-tube (21) and form crutch.
2. 2. the deployable crutch into seat as claimed in claim 1, it is characterised in that：Leg outer tube (22) inner sleeve has branch Pin inner sleeve (25), leg inner sleeve (25) are stretched out the adjustable length of leg outer tube (22) and blocked using regulation lock (24) Tightly, when being launched into seat, leg outer tube (22) passes through upper pipe through-hole (36), the end insertion leg of leg inner sleeve (25) In patchhole (30).
3. 3. the deployable crutch into seat as claimed in claim 1 or 2, it is characterised in that：First frame structure support includes First support upper tube (11), first support down tube (12) and two first support connecting rods (13), first support upper tube (11) and First support down tube (12) be arranged in parallel, and two first support connecting rods (13) are respectively provided at first support upper tube (11) and first Both ends between support down tube (12) and the framework knot being connected as a single entity with first support upper tube (11) and first support down tube (12) Structure；

   Second frame structure support includes second support upper tube (14), second support down tube (15) and two second support connecting rods (16), second support upper tube (14) and second support down tube (15) be arranged in parallel, and two second support connecting rods (16) set respectively Manage on the secondary support bracket the both ends between (14) and second support down tube (15) and with second support upper tube (14) and second support The frame structure that down tube (15) is connected as a single entity；

   Two first support connecting rods (13) and two second support connecting rods (16) are intersected by rotary shaft is rotatably connected on one Rise；

   Seat face (17) one end is connected in first support upper tube (11), the other end is connected in second support upper tube (14).
4. 4. the deployable crutch into seat as claimed in claim 3, it is characterised in that：Also include folding stand outer tube (18) and Folding stand inner sleeve (35), two first support connecting rods (13) and first support upper tube (11) and first support down tube (12) are equal Vertical welding forms integrally-built first frame structure support；Two second support connecting rods (16) and second support upper tube (14) and second support down tube (15) vertical welding forms integrally-built first frame structure support；First frame structure branch Frame and the second frame structure support shape are identical, equal in magnitude；Two second support connecting rods (16) are clipped in two first supports Between connecting rod (13)；The both ends of folding stand outer tube (18) respectively with two second support connecting rod (16) length directions Weld in centre position；Being set among on the length direction of two first support connecting rods (13) has and folding stand outer tube (18) connecting rod axis hole (34) on the same line, folding stand inner sleeve (35) is also cross all connecting rod axis holes (34) With folding stand outer tube (18), first support connecting rod (13) and second support connecting rod (16) turn around folding stand inner sleeve (35) It is dynamic, realize folding and the opening in seat face (17).
5. 5. the deployable crutch into seat as claimed in claim 1 or 2, it is characterised in that：One end of leg outer tube (22) It is connected to U-tube (21) bottom centre position, the other end points to U-tube (21) outside.
6. 6. the deployable crutch into seat as claimed in claim 1 or 2, it is characterised in that：When folding stand (1) is in open shape During state, the axle center of upper pipe through-hole (36) is perpendicular to ground, and leg patchhole (30) is the blind hole of opening vertically upward, leg On same straight line perpendicular to the ground, leg outer tube (22) passes through upper tube in the axle center of patchhole (30) and upper pipe through-hole (36) In through hole (36) insertion leg patchhole (30).