CN208864681U - Backrest on a kind of folding bed - Google Patents

Abstract

The utility model discloses backrests on a kind of folding bed, including lower bed board, upper bracket bar and backing cushion, vertical rack bar is fixed on the left of the upper end outer surface of the lower bed board, the bottom righthand side of the vertical rack bar is connect with the upper end of the lower bed board by bearing activity, the right side outer surface middle of the vertical rack bar is fixed with buckle, the upper end periphery of the vertical rack bar is equipped with slide bar, the top of the vertical rack bar is fixedly installed with knob one, the right end of the upper bracket bar is fixedly installed with knob two, the right side outer surface upper end of the backing cushion is fixedly installed with air cushion pillow, the interior lower end of the backing cushion is fixedly installed with damping spring, the damping spring has several and equidistantly distributes the interior lower end in backing cushion, it is air cushion layer at the bosom of the backing cushion, the right end of the air cushion layer Outside middle is equipped with air bag inflating port.Backrest on this kind of folding bed, it is convenient to shrink, and backrest effect is good.

Description

Backrest on a kind of folding bed

Technical field

A kind of backrest technical field on the utility model bed, and in particular to backrest on folding bed.

Background technique

The patient to lie up can feel general fatigue after long-time is liied in bed, and generally require to have by resting in bed Hospital bed head of a bed part can suitably have been shaken, because the quilt on bed is thicker, the angle for lifting the head of a bed is weakened, though in oblique Ramp shaped, patient often glide, and cannot comfortably be seated on bed.The head of a bed crossbeam of bed is usually, people vertical with bed board at present Sitting can feel uncomfortable when backrest use, but for a long time by sitting in bed, be mounted with that some inclinations make on the bed also having With easily, the backrest of backrest to incline, but these backrest structures are complicated does not take up space greatly, and rake angle is also non-adjustable, and Many backrests are all not comfortable enough, relatively hard.

Utility model content

The purpose of this utility model is to provide backrests on a kind of folding bed, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: backrest on a kind of folding bed, including under The upper end outer surface left side of bed board, upper bracket bar and backing cushion, the lower bed board is fixed with vertical rack bar, the vertical rack The bottom righthand side of bar is connect with the upper end of the lower bed board by bearing activity, the right side outer surface middle of the vertical rack bar It is fixed with buckle, the upper end periphery of the vertical rack bar is equipped with slide bar, and the top of the vertical rack bar is fixedly installed with Knob one, the right end of the upper bracket bar are fixedly installed with knob two, and the right side outer surface upper end of the backing cushion is fixedly mounted There is air cushion pillow, the interior lower end of the backing cushion is fixedly installed with damping spring, and the damping spring has several and equalization Range distribution is air cushion layer at the bosom of the backing cushion in the interior lower end of backing cushion, outside the right end of the air cushion layer Side middle is equipped with air bag inflating port, and the upper end outer surface of the backing cushion is covered with the small magnetite of massage.

Preferably, the top with the left end of upper bracket bar of the vertical rack bar are connect by bearing activity.

Preferably, the right end of the upper bracket bar and the left side middle of backing cushion are connected by bearing activity.

Preferably, the lower end activity of the upper end outer surface middle of the lower bed board and center rest connects.

Preferably, the upper end of the slide bar is equipped with several limiting slots equidistantly distributed, the upper end left side of the slide bar Positive stop bead is installed.

The technical effect and advantage of the utility model: backrest on this kind of folding bed, vertical rack bar and lower bed board it Between shaft, the folding convenient for vertical rack bar to lower bed board.Shaft between vertical rack bar and upper bracket bar can pass through Knob one adjusts the angle between upper bracket bar and vertical rack bar.The limiting slot and positive stop bead of slide bar upper end, can pass through tune Positive stop bead is saved in the interior position of limiting slot, upper bracket bar is adjusted to suitable height.Between upper bracket bar and backing cushion Shaft can adjust the angle of backing cushion by knob two, so that reach the comfortable posture of user, subtracting inside backing cushion Spring is shaken, certain buffer function can be given to the back of user, furthermore, it is possible to be tied again by the size for adjusting air cushion layer The small magnetite of massage for closing backing cushion surface, provides enough comfort levels for user.Backrest on this kind of folding bed, contraction side Just, backrest effect is good.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model slide bar；

Fig. 3 is the structural schematic diagram of the utility model backing cushion.

In figure: 1 lower bed board, 2 shafts, 3 vertical rack bars, 4 buckles, 5 knobs one, 6 upper bracket bars, 7 slide bars, 8 air pillows Head, 9 backing cushions, 10 knobs two, 11 center rests, 12 positive stop beads, 13 limiting slots, 14 air cushion layers, 15 damping springs, 16 massages Small magnetite, 17 air bag inflating ports.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1 and Fig. 3 are please referred to, FIG. 1 is a schematic structural view of the utility model, and Fig. 3 is the structure of the utility model backing cushion Schematic diagram, backrest on a kind of folding bed, including lower bed board 1, upper bracket bar 6 and backing cushion 9, the upper end of the lower bed board 1 Vertical rack bar 3 is fixed on the left of outer surface, the bottom righthand side of the vertical rack bar 3 and the upper end of the lower bed board 1 pass through axis Hold 2 activity connections, the right side outer surface middle of the vertical rack bar 3 is fixed with buckle 4, the vertical rack bar 3 it is upper End periphery is equipped with slide bar 7, and the top of the vertical rack bar 3 is fixedly installed with knob 1, the right end of the upper bracket bar 6 It is fixedly installed with knob 2 10, the right side outer surface upper end of the backing cushion 9 is fixedly installed with air cushion pillow 8, the backing cushion 9 interior lower end is fixedly installed with damping spring 15, and the damping spring 15 has several and equidistantly distributes in backing cushion 9 Interior lower end, be air cushion layer 14 at the bosom of the backing cushion 9, middle is equipped on the outside of the right end of the air cushion layer 14 Air bag inflating port 17, the upper end outer surface of the backing cushion 9 are covered with the small magnetite 17 of massage.

Referring to Fig. 2, Fig. 2 is the structural schematic diagram of the utility model slide bar, the upper end of the slide bar 7 is equipped with several The upper end left side of the limiting slot 13 equidistantly distributed, the slide bar 7 is equipped with positive stop bead 12.

Working principle: on using kind of folding bed before backrest, should carry out simple understanding functionally to it, should Backrest on kind folding bed, the shaft 2 between vertical rack bar 3 and lower bed board 1, convenient for vertical rack bar 3 to lower bed board 1 It folds.Shaft 2 between vertical rack bar 3 and upper bracket bar 6 can adjust upper bracket bar 6 and vertical rack by knob 1 Angle between bar 3.The limiting slot 13 and positive stop bead 12 of 7 upper end of slide bar, can be by adjusting positive stop bead 12 in limiting slot 13 Interior position adjusts upper bracket bar 6 to suitable height.Shaft 2 between upper bracket bar 6 and backing cushion 9, can pass through rotation Button 2 10 adjusts the angle of backing cushion 9, so that reach the comfortable posture of user, the damping spring 15 inside backing cushion 9, Certain buffer function can be given to the back of user, furthermore, it is possible to by the size that adjusts air cushion layer 14 in conjunction with leaning on The small magnetite 16 of the massage of bolster surface, provides enough comfort levels for user.Backrest on this kind of folding bed, contraction side Just, backrest effect is good.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. backrest on a kind of folding bed, including lower bed board (1), upper bracket bar (6) and backing cushion (9), it is characterised in that: institute It states and is fixed with vertical rack bar (3) on the left of the upper end outer surface of lower bed board (1), the bottom righthand side of the vertical rack bar (3) and institute The upper end of lower bed board (1) is stated by the connection of bearing (2) activity, the right side outer surface middle of the vertical rack bar (3) is fixed Have buckle (4), the upper end periphery of the vertical rack bar (3) is equipped with slide bar (7), and the top of the vertical rack bar (3) is solid Dingan County is equipped with knob one (5), and the right end of the upper bracket bar (6) is fixedly installed with knob two (10), the right side of the backing cushion (9) Side external surface upper end is fixedly installed with air cushion pillow (8), and the interior lower end of the backing cushion (9) is fixedly installed with damping spring (15), the damping spring (15) has several and equidistantly distributes the interior lower end in backing cushion (9), the backing cushion It (9) is air cushion layer (14) that middle is equipped with air bag inflating port (17) on the outside of the right end of the air cushion layer (14) at bosom, The upper end outer surface of the backing cushion (9) is covered with the small magnetite (16) of massage.

2. backrest on a kind of folding bed according to claim 1, it is characterised in that: the vertical rack bar (3) Top is connect with the left end of upper bracket bar (6) by bearing (2) activity.

3. backrest on a kind of folding bed according to claim 1, it is characterised in that: the right side of the upper bracket bar (6) End is connect with the left side middle of backing cushion (9) by bearing (2) activity.

4. backrest on a kind of folding bed according to claim 1, it is characterised in that: the upper end of the lower bed board (1) Outer surface middle is connect with the lower end activity of center rest (11).

5. backrest on a kind of folding bed according to claim 1, it is characterised in that: the upper end of the slide bar (7) is set The upper end left side of the limiting slot (13) for having several to equidistantly distribute, the slide bar (7) is equipped with positive stop bead (12).