Summary of the invention
At the deficiencies in the prior art, the technical problem to be solved in the present invention is that it is move assisting nursing bed to design a kind of separate type.This nursing bed is except that medical, use under the also suitable home mode, not only possess basic function such as stand up, bend one's legs, and can be by the separation and the distortion of bed body, make the part of bed surface constitute the walking aid chair pattern, the walk help of realization user is moved, and is easy and simple to handle, can alleviate family members' burden, humanized, and simple in structure, cost is cheap relatively, is suitable for promoting the use of.
The technical scheme that the present invention solves the nursing bed technical problem is: it is move assisting nursing bed to design a kind of separate type, it is characterized in that it comprises fixed bed surface part, separates bed surface part, bedstead, liter back of the body mechanism and the mechanism that bends one's legs, described fixed bed surface partly comprise U-shaped first bed board, the first bed board U-shaped arm two upper ends respectively successively extension be connected with symmetric left and right first flexible support plate, left and right first connecting axle, left and right second bed board, left and right second connecting axle and left and right the 3rd bed board;
Described separation bed surface part just in time can be embedded in the U-lag of fixed bed surface part, make described fixed bed surface part and separate bed surface and partly constitute an orthogonal whole bed surface, separate the bed surface part by being installed in the guide rail and partly relative slippage of fixed bed surface on the fixed bed surface part; Described separation bed surface partly comprises the 4th bed board, second flexible support plate, the 3rd connecting axle, the 5th bed board, the 4th connecting axle, the 6th bed board, the 5th connecting axle, the 7th bed board, the 6th connecting axle and the 8th bed board that connects successively; Both sides between described the 4th bed board and the 5th bed board connect left and right first adjustable support bar respectively; Both sides between described the 5th bed board and the 6th bed board connect left and right second adjustable support bar respectively; Both sides between described the 6th bed board and the 7th bed board connect left and right the 3rd adjustable support bar respectively; The lateral symmetry of described the 4th bed board is equipped with left and right the 3rd handrail; Be symmetrically installed with left and right first handrail in the groove of described the 5th bed board both sides, its underpart is equipped with the bracing frame of foot wheel; Be symmetrically installed with left and right second handrail in the groove of described the 7th bed board both sides;
Described bedstead comprises the integral support of foot wheel, and axle and travel(l)ing rest are rotatably connected; Described travel(l)ing rest is connected on the integral support of foot wheel by the axle that is rotatably connected;
Described liter is carried on the back mechanism and is comprised four-bar mechanism and the YE that is made of first connecting rod, second connecting rod and connecting rod assembly; The connecting rod assembly top of described four-bar mechanism is fixed on first bed board of fixed bed surface part, and first connecting rod and second connecting rod are fixed on the integral support of foot wheel in the described bedstead; The stiff end of described YE is fixed on the bedstead, and its output shaft is connected with connecting rod assembly in the four-bar mechanism;
The described mechanism that bends one's legs comprises that symmetry is fixed on the left and right support on the integral support of foot wheel in the described bedstead, be separately installed with left and right motor in the left and right support, the output shaft of left and right motor is connected with left and right gear pair respectively, left and right gear pair is connected with an end of left and right crank respectively, and the other end of left and right crank is connected in respectively on left and right second connecting axle on the described fixed bed surface part.
Compared with prior art, the separate type of the present invention design is move assisting nursing bed stands up possessing, bend one's legs, under the prerequisite of multiple base cloth function such as walk help, bed surface is designed to separable fixed bed surface and separates bed surface two parts, wherein separate the be connected bracing frame of a foot wheel of bed surface part bottom, can be by separating distortion, form the walking aid chair pattern, realize moving freely the purpose of walk help for user, fixed bed surface part with separate the bed surface part and be connected and separating owing to having adopted guide rail structure, thereby operate more convenient and reliable, the distortion and the fixed form of separating the bed surface part meet ergonomics in design, and be humanized.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof.The present invention is not subjected to the restriction of specific embodiment.
The separate type move assisting nursing bed (hereinafter to be referred as nursing bed, referring to Fig. 1-7) of the present invention's design is characterized in that this nursing bed comprises the fixed bed surface part, separates the bed surface part, and bedstead rises the back of the body mechanism and mechanism's five major parts that bend one's legs.Fixed bed surface part with separate the integrant bed surface of bed surface part; Rise back of the body mechanism and be positioned under the bed surface, be connected on the bedstead with the mechanism that bends one's legs.
Described bedstead comprises the integral support 3.3 of foot wheel, and axle 3.2 and travel(l)ing rest 3.1 are rotatably connected; Described travel(l)ing rest 3.1 is connected on the integral support 3.3 of foot wheel (referring to Fig. 2,5) by the axle 3.2 that is rotatably connected.
Described fixed bed surface partly comprises five bed boards (being first bed board 1.1 of U-shaped, left second bed board 1.4, right second bed board 1.4 ', a left side the 3rd bed board 1.6 and right the 3rd bed board 1.6 '), symmetric two flexible support plates of shape and structure (being left first flexible support plate 1.2 and right first flexible support plate 1.2 ') and the same connecting axle (being left first connecting axle 1.3, right first connecting axle 1.3 ', left second connecting axle 1.5 and right second connecting axle 1.5 ') of 4 root architectures that is used to be connected described bed board.Extend successively respectively and be connected with symmetric left and right first flexible support plate 1.2,1.2 ', left and right first connecting axle 1.3,1.3 ', left and right second bed board 1.4,1.4 ', left and right second connecting axle 1.5,1.5 ' and left and right the 3rd bed board 1.6,1.6 ' in two upper ends of the U-shaped of described first bed board 1.1.In other words, two upper ends of the U-shaped arm of described U-shaped first bed board 1.1 are connected respectively with left first flexible support plate 1.2 and right first flexible support plate 1.2 ' respectively, a left side first flexible support plate 1.2 is connected with right second bed board 1.4 ' with left second bed board 1.4 respectively with right first connecting axle 1.3 ' by left first connecting axle 1.3 with right first flexible support plate 1.2 ', a left side second bed board 1.4 and right second bed board 1.4 ' by left second connecting axle 1.5 and right second connecting axle 1.5 ' respectively with a left side the 3rd bed board 1.6, right the 3rd bed board 1.6 ' connects.Described extend to connect successively two upper surfaces being meant at the U-shaped arm of described U-shaped first bed board with wide form, utilize described connecting axle that one one of described bed board is linked in sequence, the fixed bed surface (referring to Fig. 5 and Fig. 1) of a long U-shaped arm of formation.The fixed bed surface part is installed on the integral support 3.3 of foot wheel in the bedstead by liter back of the body mechanism and the mechanism that bends one's legs.
The U-lag that described separation bed surface part just in time can be embedded in described fixed bed surface part interior (in the long U-shaped arm groove), make described fixed bed surface part and separate bed surface and partly constitute an orthogonal whole bed surface, and separate the bed surface part can be by being installed in the guide rail 1.7 and partly relative slippage (referring to Fig. 5 and Fig. 1) of fixed bed surface on the fixed bed surface part.Described separation bed surface partly comprises the 4th bed board, second flexible support plate, the 3rd connecting axle, the 5th bed board, the 4th connecting axle, the 6th bed board, the 5th connecting axle, the 7th bed board, the 6th connecting axle and the 8th bed board that connects successively.
Specifically, described separation bed surface partly comprises the 4th bed board 2.1, second flexible support plate 2.2, the 3rd connecting axle 2.3, the 5th bed board 2.4, the 4th connecting axle 2.12, the 6th bed board 2.5, the 5th connecting axle 2.13, the 7th bed board 2.6, the 6th connecting axle 2.14 and the 8th bed board 2.7 that connects successively; Both sides between described the 4th bed board 2.1 and the 5th bed board 2.4 connect shape and structure symmetry first adjustable support bar (being left first adjustable support bar 2.15 and right first adjustable support bar 2.15 ') respectively; Both sides between described the 5th bed board 2.4 and the 6th bed board 2.5 connect shape and structure symmetry second adjustable support bar (being left second adjustable support bar 2.16 and right second adjustable support bar 2.16 ') respectively; Both sides between described the 6th bed board 2.5 and the 7th bed board 2.6 connect shape and structure symmetry the 3rd adjustable support bar (i.e. a left side the 3rd adjustable support bar 2.17 and right the 3rd adjustable support bar 2.17 ') respectively; The lateral symmetry of described the 4th bed board 2.1 is equipped with symmetric two the 3rd handrails of shape and structure (i.e. a left side the 3rd handrail 2.9 and right the 3rd handrail 2.9 '); Be symmetrically installed with symmetric two first handrails of shape and structure (being left first handrail 2.10, right first handrail 2.10 ') in the groove of described the 5th bed board 2.4 both sides, its underpart is equipped with the bracing frame 2.8 with 4 castors; Two second handrails of symmetric shape symmetrical configuration in the groove of described the 7th bed board 2.6 both sides (being left second handrail 2.11, right second handrail 2.11 ').In other words, described the 4th bed board 2.1 and second flexible support plate 2.2 are connected, second flexible support plate 2.2 is connected with the 5th bed board 2.4 by the 3rd connecting axle 2.3, and symmetry connects left first adjustable support bar 2.15 and right first adjustable support bar 2.15 ' on the 4th bed board 2.1; The 5th bed board 2.4 bottoms are connected and one are with 4 castors (castor is overlooked rectangular distribution, constitute 4 castors of walking aid chair, referring to Fig. 3 and Fig. 5) bracing frame 2.8, the 5th bed board 2.4 is connected with the 6th bed board 2.5 by the 4th connecting axle 2.12, and symmetry connects left second adjustable support bar 2.16 and right second adjustable support bar 2.16 ' on the 5th bed board 2.4; The 6th bed board 2.5 is connected with the 8th bed board 2.7 by the 5th connecting axle 2.13, and the 6th bed board 2.5 is connected with the 7th bed board 2.6 by the 6th connecting axle 2.14; Connect a left side the 3rd adjustable support bar 2.17 and a left side the 3rd adjustable support bar 2.17 ' on the 6th bed board 2.5, a left side first handrail 2.10 and right first handrail 2.10 ' crouch in the 5th bed board 2.4 upper semi-circle grooves, a left side second handrail 2.11 and right second handrail 2.11 ' crouch in the 7th bed board 2.6 upper semi-circle grooves, and a left side the 3rd handrail 2.9 and right the 3rd handrail 2.9 ' are connected on the 4th bed board 2.1;
Described liter is carried on the back mechanism and is comprised by first connecting rod 4.1, second connecting rod 4. and connecting rod assembly 4.2, the four-bar mechanism that constitutes and YE 5; Connecting rod assembly 4.2 tops of four-bar mechanism are fixed on first bed board 1.1 of fixed bed surface part in the described liter back of the body mechanism, and the first connecting rod 4.1 and the second connecting rod 4.3 of four-bar mechanism is fixed on the integral support 3.3 of foot wheel in the bedstead part (referring to Fig. 6); The stiff end of described YE 5 is fixed on the integral support 3. of foot wheel of bedstead, and its output shaft is connected with connecting rod assembly 4.2 in the four-bar mechanism.By four-bar mechanism, the axial dimension of YE 5 output shafts changes can drive the angular range variation of first bed board 1.1 at the 0-80 degree, realizes rising the back of the body or the function of standing up (referring to Fig. 6 and Fig. 2);
The described mechanism that bends one's legs comprises the left side support 6 of symmetrical structure, right support 6 ', left motor 7, right motor 7 ', left gear pair 8, right gear pair 8 ', left crank 9, right crank 9 '.The described mechanism that bends one's legs all supports 6 and right to support 6 ' be supports with a left side, a left side support 6 and right support 6 ' symmetry be connected in bedstead partly on the integral support 3.3 of foot wheel (referring to Fig. 2).A left side motor 7 and right motor 7 ' be by carrying or equipped support 7.1 and 7.1 ' is fixed on a left side respectively and supports 6 and right the support on 6 ', and be connected with right gear pair 8 ' with left gear secondary 8 respectively by its output shaft.One end of a left side crank 9 and right crank 9 ' is connected with right gear pair 8 ' with left gear secondary 8 respectively, its other end respectively with a fixed bed surface left side second connecting axle 1.5 and right second connecting axle 1.5 ' be connected (referring to Fig. 7) partly.
Bed body (be fixed bed surface part and the separates the bed surface part) separation process of nursing bed of the present invention, and separation bed surface deformation process and principle following (referring to Fig. 1-7) partly:
When user need leave bed, when realizing having walk help mobile, at first to control nursing bed, realize rising back of the body action.Operation principle and process that the present invention rises back of the body mechanism are, connecting rod assembly 4.2 is moved in the axial dimension variation drive four-bar mechanism of YE 5 output shafts, the motion of connecting rod assembly 4.2 drives coupled first connecting rod 4.1 and second connecting rod 4.3 and carries out driven, because connecting rod assembly 4.2 itself is fixed on first bed board 1.1 on the fixed bed surface part, therefore above-mentioned motion can drive first bed board, 1.1 motions on the fixed bed surface part, the motion of first bed board 1.1 drives left first flexible support plate 1.2 respectively and right first flexible support plate 1.2 ' rotates around left first connecting axle 1.3 and right first connecting axle 1.3 ' respectively, thereby rises unlucky moving by the folding realization of bed surface.Embodiment designs and realizes that rising unlucky moving maximum angle (rising dorsal horn) is 80 °, and minimum angles is 0 °, and promptly bed surface is concordant, does not rise unlucky moving (referring to Fig. 2,6).
Secondly, control nursing bed, realization separation bed surface part is separated with the fixed bed surface part.Separation bed surface part of the present invention with isolating operation principle of fixed bed surface part and process is: after realizing rising back of the body process, finish liter the 4th bed board 2.1, second flexible support plate 2.2 and the 5th bed board 2.4 that back of the body action is lifted with liter back of the body motion of mechanism with the fixed bed surface part, carry out fixed angle with left first adjustable support bar 2.15 and right first adjustable support bar 2.15 ', form required backrest angle (referring to Fig. 3,5).At this moment, crouch respectively in the 5th bed board 2.4, the 7th bed board 2.6 upper semi-circle grooves left first handrail 2.10, right first handrail 2.10 ' and left second handrail 2.11, right second handrail 2.11 ' can be used for movingly stretching by the user of bed or assisted care personnel, and fixes.Described left first handrail 2.10, right first handrail 2.10 ' both can play auxiliary stretching centrifugation to whole separation process, again user were played a protective role simultaneously.Nursing bed of the present invention separates bed surface partly to be gone up design second flexible support plate 2.2 is arranged, and can make user that better sitting posture and comfort can be arranged, but this and do not mean that the gripper shoe infeasible (referring to Fig. 1,3-5) of inflexibility.
Bedstead of the present invention is a flexible connection partly, comprises the integral support 3.3 of foot wheel, and axle 3.2 and travel(l)ing rest 3.1 are rotatably connected.When separating the bed surface part with fixed bed surface part relative separation, the travel(l)ing rest 3.1 in the bedstead is opened by the axle 3.2 that is rotatably connected, and folds (referring to Fig. 3-5) by carrying rotating shaft 3.4 then.After finishing above-mentioned motion, the 4th bed board 2.1 that separates in the bed surface part can be along guide rail 1.7 slip apart with first bed board 1.1 in the fixed bed surface part.Following process need is undertaken by the paraprofessional personnel is auxiliary: the paraprofessional personnel can utilize a left side second handrail 2.11 that stretches and right second handrail 2.11 ' partly to carry out auxiliary slippage along guide rail 1.7 to separating bed surface.Separate the bed surface part along the partly auxiliary slippage of guide rail 1.7 and fixed bed surface, when the bottom of the 5th bed board 2.4 steadily moves to the bottom of a left side the 3rd bed board 1.6 and right the 3rd bed board 1.6 ' in the fixed bed surface part in separating the bed surface part, stop by the paraprofessional personnel.By the paraprofessional personnel the 6th bed board 2.5 that separates in the bed surface part is rotated with respect to the 5th bed board 2.4 then, after turning to suitable angle, carry out fixed angle (referring to Fig. 3-5) with left second adjustable support bar 2.16 and right second adjustable support bar 2.16 '.After finishing above-mentioned motion, the 8th bed board 2.7 that separates in the bed surface part is rotated and folds relative to the 6th bed board 2.5 along the 5th connecting axle 2.13.In this transition process, the present invention has reserved the placement space of foot for user, has embodied the hommization of the present invention's design.Then, the 7th bed board 2.6 that separates in the bed surface part is upwards rotated with respect to the 6th bed board 2.5, turn to suitable angle after, carry out fixed angle with a left side the 3rd adjustable support bar 2.17 and left the 3rd adjustable support bar 2.17 '.After aforesaid operations is finished, can realize separating of the transformation (referring to Fig. 3-5) of bed surface part to the walking aid chair pattern.At this moment, the left side that is connected with the 4th bed board 2.1 the 3rd handrail 2.9 and right the 3rd handrail 2.9 ' can manually be realized upwards upset, control auxiliary moving by the paraprofessional personnel, thereby have realized separating separating fully of bed surface part and fixed bed surface part.Separate the bed surface part with the walking aid chair pattern, rely on below it 4 castors of support frame as described above 2.8 to realize auxiliary moving.The power that walking aid chair moves is from paraprofessional personnel's implementation, and it turns to and brake control and also relies on the paraprofessional personnel to finish, and using method is same as conventional mobile seat.
Said process is the separation bed surface part of nursing bed of the present invention partly was separated and formed the walking aid chair pattern with fixed bed surface concrete deformation process and a principle.Under paraprofessional personnel's reverse auxiliary operation, the separation bed surface part that is under the walking aid chair pattern can partly reset with fixed bed surface, recovers the nursing bed function.Its concrete deformation process and principle are: at first, the paraprofessional personnel partly falls back on the separation bed surface under the walking aid chair pattern on the guide rail 1.7 in the fixed bed surface part; In second step, the paraprofessional personnel manually returns to initial position with travel(l)ing rest 3.1 reverse movements in described left the 3rd handrail 2.9 and right the 3rd handrail 2.9 ', a left side the 3rd adjustable support bar 2.17 and a left side the 3rd adjustable support bar 2.17 ', the 7th bed board 2.6, the 6th bed board 2.5, the 8th bed board 2.7, left second adjustable support bar 2.16 and right second adjustable support bar 2.16 ', the bedstead part; The 3rd step, through behind the above-mentioned reverse movement, separating the bed surface part partly combines with fixed bed surface again, revert to the state of nursing bed lifting back, manually return to initial position with left first handrail 2.10 and right first handrail 2.10 ', left second handrail 2.11 and right second handrail 2.11 ', left first adjustable support bar 2.15 and right first adjustable support bar, 2.15 ' reverse movement this moment.This step provides safety guarantee to greatest extent for user.At last, control nursing bed and finish the unlucky moving reverse movement of liter, make Movable bed surface return to horizontal level, and close up, constitute smooth nursing bed surface, recover the nursing bed function with fixed bed surface.
In addition, mechanical work principle and the process of bending one's legs of the present invention is (referring to Fig. 2,7): motor 7 (7 ') (difference) driven gear 8 (8 ') of pair of described symmetrical structure rotate, and gear pair 8 (8 ') rotates (difference) and drives crank 9 (9 ') and move.The motion of crank 9 (9 ') can be connected its other end second connecting axle 1.5 (the 1.5 ') jack-up in the fixed bed surface part, thereby by left and right second bed board 1.4,1.4 ' and left and right the 3rd bed board 1.6,1.6 ' folding, realize the motion that bends one's legs of user.The present invention bends one's legs mechanism by the position-controllable system of regulating crank 9 (the 9 ') motion angle (angle bends one's legs) that bends one's legs.The maximum of the embodiment design angle that bends one's legs is 30 °.
Nursing bed of the present invention mainly is at the old people in the society, people with disability or other handicapped people and specialized designs, being positioned family's daily life (as get sun, air permeable, go toilet and have dinner from bed etc.) uses (therefore also can be called separate type walk help daily life bed), medical bed for nursing care has simple in structure relatively, with low cost, characteristics easy to use, that function is enough.But nursing bed of the present invention is not got rid of as medical bed for nursing care.
What need supplementary notes is, the connection of parts such as described when the present invention describes the nursing bed structure " upper and lower ", " forward and backward ", " left and right " or installation position speech are according to illustrated embodiment, only has relative property, perhaps only be in order to narrate conveniently, not represent the uniqueness and the necessary property of this installation site.The specific embodiment of nursing bed of the present invention can be done as required fully and nonessentially suitably adjust and change.
The present invention does not address part and is applicable to prior art.