CN208892973U - Seat - Google Patents

Abstract

The utility model relates to wheelchair fields, specifically disclose a kind of seat, including cushion, backrest and shoulder pillow, the lower end of the backrest are connect with the rear end thereof of the cushion, and the shoulder pillow is removably attachable to the upper end of the backrest；The upper surface of the cushion is equipped with the recessed portion to match with the buttocks of human body and the profile of thigh, and the middle part of the backrest is equipped with the preceding protrusion to match with the lumbar vertebrae profile of human body.The seat of the utility model, backrest and shoulder pillow be it is separable, therefore, when needing to turn round movement backward, shoulder can be rested the head on and be removed from by back, turned round movement backward to be conducive to upper limb, increase upper body scope of activities.Further, since backrest is provided with preceding protrusion, it is provided with recessed portion on cushion, when folding backrest is on cushion, preceding protrusion is just ideally sticked in recessed portion, to reduce backrest and the folded volume of cushion, reduces occupied space when seat storage.

Description

Seat

Technical field

The utility model relates to wheelchair fields, and in particular to a kind of seat.

Background technique

Seat on existing wheelchair, backrest portion division shoulder occipitalia point are all integral structure, shoulder occipitalia point and back part It can not separate；But we are had found when using this seat, when our upper body needs to do swiveling movement backward, Shoulder occipitalia branch has inhibition to swiveling movement, and causing us to do backward, swiveling movement is extremely difficult, this can undoubtedly be reduced The convenience of seat used, causes the Experience Degree of seat poor.

In addition, the backrest of seat and cushion are after folding, the shape in opposite face can be interfered between the two, cause to roll over The volume of poststack is excessive, increases occupied space when seat storage.

Utility model content

The purpose of the utility model is to provide a kind of shoulder pillows and the separable seat of backrest, so that needing to turn backward When movement, shoulder can be rested the head on from back quick separating is leaned on, turn round movement backward to be conducive to upper limb.

To solve the above-mentioned problems, the utility model provides a kind of seat, including cushion, backrest and shoulder pillow, described to lean on The lower end of back is connect with the rear end thereof of the cushion, and the shoulder pillow is removably attachable to the upper end of the backrest；The seat The upper surface of pad is equipped with the recessed portion to match with the buttocks of human body and the profile of thigh, and the middle part of the backrest is equipped with and human body The preceding protrusion that matches of lumbar vertebrae profile.

Preferably, the two sides of the rear end of the cushion are respectively provided with a bracket, and the lower end of the backrest, which is equipped with, to be turned Axis, the backrest are connect by the shaft with the holder pivots of the cushion；The backrest overturning is folded on the cushion When, the preceding protrusion sticks in the recessed portion.

Preferably, backrest frames are equipped in the backrest, the top of the backrest frames is equipped with the first inserting section, The opening of first inserting section exposes to the upper end of the backrest；Shoulder occipital bone frame, the shoulder occipital bone frame are equipped in the shoulder pillow Lower part be equipped with the second inserting section for exposing outside the lower end of shoulder pillow, two inserting section is actively plugged in described first and inserts It connects in section.

Preferably, the end of first inserting section is equipped with retaining mechanism, and the retaining mechanism includes annular bundle Band, pull rod and handle, the annular banding are socketed in the end of first inserting section, the first end of the pull rod and the ring The first end of shape banding connects, the second end of the pull rod actively pass through the second end of the annular banding and with the handle Compression end rotation connection；Fiddle with the swinging end of the handle, so that pull rod tenses or unclamp the annular banding.

Preferably, the backrest frames are the stringer of two parallel arrangements and " H " type knot of crossbeam splicing Structure, first inserting section are respectively provided at the top of two stringers；The shoulder occipital bone frame is a U-typed structure, the shoulder The bottom end of the U-typed of occipital bone frame is located in shoulder pillow, and two vertical sections on the top of the U-typed of the shoulder occipital bone frame expose to The bottom of the shoulder pillow, second inserting section are separately positioned in two vertical sections.

Preferably, the two sides on the top of backrest flank with outward extension.

Preferably, the middle part of the upper end of the backrest is equipped with the lower concave part to lower recess, the lower part of the shoulder pillow Equipped with the lower protrusion being engaged with the lower concave part.

The seat of the utility model, backrest and shoulder pillow be it is separable, therefore, when needing to turn round movement backward, Shoulder can be rested the head on from by back and be removed, turned round movement backward to be conducive to upper limb, increase upper body scope of activities.

Further, since backrest is provided with preceding protrusion, recessed portion is provided on cushion, it is preceding when folding backrest is on cushion Protrusion just ideally sticks in recessed portion, to reduce backrest and the folded volume of cushion, reduces seat storage When occupied space.

Detailed description of the invention

Fig. 1 is the structural schematic diagram when shoulder of the seat of one preferred embodiment of the utility model is rested the head in conjunction with backrest；

Fig. 2 is the structural schematic diagram when shoulder pillow of the seat of one preferred embodiment of the utility model is separated with backrest；

Fig. 3 is the first inserting section of seat of one preferred embodiment of the utility model and the STRUCTURE DECOMPOSITION of the second inserting section grafting Figure.

Wherein, 1, cushion；11, recessed portion；12, bracket；2, backrest；21, preceding protrusion；22, shaft；23, flank；24, under Recess portion；3, shoulder is rested the head on；31, lower protrusion；4, backrest frames；41, the first inserting section；42, stringer；43, crossbeam；5, shoulder occipital bone frame；51, Second inserting section；6, retaining mechanism；61, annular banding；62, pull rod；63, handle.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

In conjunction with shown in Fig. 1 to Fig. 3, a kind of seat of the utility model embodiment is schematically showed, including cushion 1, Backrest 2 and shoulder pillow 3, wherein the lower end of backrest 2 is connect with the rear end thereof of cushion 1, and 3 card of shoulder pillow is removably attachable to backrest 2 Upper end；Since shoulder pillow 3 is detachably connected with backrest 2, shoulder can be rested the head on 3 when necessary and be separated with backrest 2, especially It is when the personage of legs and feet inconvenience is sitting on wheelchair, the scope of activities of original body is just restricted very much, by shoulder pillow 3 and backrest 2 Separation is conducive to upper body and does swiveling movement backward, increases the scope of activities of upper body；

The upper surface of cushion 1 is equipped with the recessed portion to match with the buttocks of human body and the profile of thigh, and the middle part of backrest 2 is set There is the preceding protrusion to match with the lumbar vertebrae profile of human body, to improve the comfort level of seat when in use, meets seat more The requirement of ergonomics.

Please continue to refer to shown in Fig. 1, the two sides of the rear end of cushion 1 are respectively provided with a bracket 12, and the lower end of backrest 2, which is equipped with, to be turned Axis 22, backrest 2 are rotatablely connected by the bracket 12 of shaft 22 and cushion 1, fold into the overturning of backrest 2 on cushion 1 to realize Function, and when the overturning of backrest 2 is folded on cushion 1, preceding protrusion 21 is sticked on just in recessed portion 11, is leaned on to reduce Back 2 and the folded volume of cushion 1 reduce occupied space when seat storage.

Continuing with combining shown in Fig. 1 and Fig. 2, it is equipped with backrest frames 4 in backrest 2 and is leaned on increasing the structural strength of backrest 2 The top of spine frame 4 is equipped with the first inserting section 41, and the opening of the first inserting section 41 exposes to the upper end of backrest 2；It is equipped in shoulder pillow 3 Shoulder occipital bone frame 5, to increase the structural strength of shoulder pillow 3, the lower part of shoulder occipital bone frame 5 is inserted equipped with the second of the lower end for exposing outside shoulder pillow 3 Section 51 is connect, is actively plugged in the first inserting section 41 by the second inserting section 51 and realizes that shoulder pillow 3 is detachably connected with backrest 2 Or separation.

As shown in figure 3, the end of the first inserting section 41 is equipped with retaining mechanism 6, in order to be plugged on when the second inserting section 51 When in the first inserting section 41, the two is locked, to improve the bonding strength of the second inserting section 51 and the first inserting section 41, prevents shoulder Pillow 3 is loosened from backrest 2；Specifically, retaining mechanism 6 includes annular banding 61, pull rod 62 and handle 63, and annular banding 61 is socketed In the end of the first inserting section 41, the first end of pull rod 62 is connect with the first end of annular banding 61, and the second end of pull rod 62 is living The second end of annular banding 61 is passed through dynamicly and is rotatablely connected with the compression end of handle 63；When the swing for the handle 63 that fiddles with End can be such that pull rod 62 tenses or unclamp annular banding 61, shoulder pillow 3 is rapidly locked on backrest 4 to realize, or fast Annular banding 61 is unclamped, fastly in order to which shoulder pillow 3 is rapidly removed from backrest 4.

Please continue to refer to shown in Fig. 1 and Fig. 2, backrest frames 4 are that first stringer of two parallel arrangements and a crossbeam are spelled " H " the type structure connect further increases the whole structural strength of backrest 2, the first grafting to realize the integrated support to backrest 2 Section 41 is respectively provided at the top of two stringers 42；Shoulder occipital bone frame 5 is a U-typed structure, the bottom end position of the U-typed of shoulder occipital bone frame 5 In in shoulder pillow 3, to realize the integrated support to shoulder pillow 3, the whole structural strength of shoulder pillow 3 is further increased, shoulder occipital bone frame 5 Two vertical sections on the top of U-typed expose to the bottom of shoulder pillow 3, and the second inserting section 51 is separately positioned in two vertical sections； Topology layout as first inserting section 41 and the second inserting section 51 can be improved shoulder pillow 3 and connect the reliability made with backrest 2, After preventing shoulder pillow 3 from connecting with backrest 2, shakes or rotate in use.

Please continue to refer to shown in Fig. 1, two sides flank 23 with outward extension on the top of backrest 2, flank 23 can be with Additional support is provided for waist, and the band of both shoulders packet can be hung on flank 23, both shoulders packet is hung over into seat to realize On purpose.

Further, the middle part of the upper end of backrest 2 is equipped with the lower concave part 24 to lower recess, and the lower part of shoulder pillow 3 is equipped with under The lower protrusion 31 that recess portion 24 is engaged, so that the globality after shoulder pillow 3 is connect with backrest 2 is more preferable, improves the beauty of seat Property.

In conclusion the seat of the utility model embodiment, since shoulder pillow 3 is detachably connected with backrest 2, in necessity When shoulder can be rested the head on and 3 be separated with backrest 2, especially when the personage of legs and feet inconvenience is sitting on wheelchair, original body Scope of activities is just restricted very much, and shoulder pillow 3 is separated with backrest 2, is conducive to upper body and is done swiveling movement backward, increases upper body Scope of activities；And when the overturning of backrest 2 is folded on cushion 1, preceding protrusion 21 is sticked on just in recessed portion 11, to reduce Backrest 2 and cushion 1 folded volume reduce occupied space when seat storage.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims (7)

1. a kind of seat, which is characterized in that rested the head on including cushion, backrest and shoulder, the rear end of the lower end of the backrest and the cushion Rotation connection, the shoulder pillow are removably attachable to the upper end of the backrest；The upper surface of the cushion is equipped with the stern with human body The recessed portion that the profile of portion and thigh matches, the middle part of the backrest are equipped with the lordosis to match with the lumbar vertebrae profile of human body Portion.

2. seat according to claim 1, which is characterized in that the two sides of the rear end of the cushion are respectively provided with a bracket, The lower end of the backrest is equipped with shaft, and the backrest is connect by the shaft with the holder pivots of the cushion；The backrest When overturning is folded on the cushion, the preceding protrusion is sticked in the recessed portion.

3. seat according to claim 1, which is characterized in that backrest frames are equipped in the backrest, the backrest frames Top is equipped with the first inserting section, and the opening of first inserting section exposes to the upper end of the backrest；Shoulder is equipped in the shoulder pillow Occipital bone frame, the lower part of the shoulder occipital bone frame are equipped with the second inserting section for exposing outside the lower end of the shoulder pillow, and two inserting section is living It is plugged in first inserting section dynamicly.

4. seat according to claim 3, which is characterized in that the end of first inserting section is equipped with retaining mechanism, institute Stating retaining mechanism includes annular banding, pull rod and handle, and the annular banding is socketed in the end of first inserting section, described The first end of pull rod is connect with the first end of the annular banding, and the second end of the pull rod actively passes through the annular banding Second end and with the compression end of the handle be rotatablely connected；Fiddle with the swinging end of the handle so that pull rod tense or Unclamp the annular banding.

5. seat according to claim 3 or 4, which is characterized in that the backrest frames are the stringer of two parallel arrangements With " H " type structure of crossbeam splicing, first inserting section is respectively provided at the top of two stringers；The shoulder occipital bone Frame is a U-typed structure, and the bottom end of the U-typed of the shoulder occipital bone frame is located in shoulder pillow, the U-typed of the shoulder occipital bone frame Two vertical sections on top expose to the bottom of the shoulder pillow, and second inserting section is separately positioned on two vertical sections On.

6. seat according to claim 1, which is characterized in that the two sides on the top of backrest side with outward extension The wing.

7. seat according to claim 1, which is characterized in that the middle part of the upper end of the backrest is equipped under lower recess The lower part of recess portion, the shoulder pillow is equipped with the lower protrusion being engaged with the lower concave part.