Background technology
Those bedfast old men and the patient etc. who causes body function obstacle due to disease, accident etc., if continue the state of long-term bed, a part for health can produce decubital ulcer due to the compressing that is subject to persistence.For reaching the object that occurs as of curing and preventing this type of decubital ulcer, develop a kind of various mattresses that are applicable to medical treatment, Bed with special provision for nursing.Wherein a kind of, be the supporting construction that substitutes the disc spring that is equivalent to general mattress, use the air cushion of the air chamber that is filled with air.
Conventionally,, at the air cushion for the use that prevents pressure ulcers, be connected with for the air pump to air chamber air supply etc. and for carrying out the controller of its suction and discharge control.And the air of supplying with from air pump is filled air chamber by air hose, thereby support patient's health.In addition, carry out the suction and discharge control of air pump air by controller, carry out suction and the discharge of gas room air, thereby disperse to be applied to the pressure of body surface, play the effect of prevention decubital ulcer.
In patent documentation 1, a kind of multiple air chambers that configure on the long side direction of air cushion are disclosed, and by the internal pump air cushion of these air chambers and air pump row arrangement.In the air cushion of patent documentation 1, the length of the air chamber group corresponding with the people's who couches on bar-shaped bag-shaped chamber foot is being made as compared with other bag-shaped chambers below 30%, and air cushion edge part between space is set, in this space, be furnished with air pump.
[patent documentation 1] Japanese documentation JP 2011-160894 communique
Utility model technical problem to be solved
In internal pump air cushion as above, because air pump and air hose are built in air cushion, therefore from air cushion and bed, only expose power line.Such air cushion, the surrounding with bed neatly and not hinders the nursing staff's etc. who looks after patient etc. work.
But, because air pump is built in air cushion, therefore may leave over that air pump heats the scald that causes and air pump is on fire etc. dangerous.In addition, due to medical and care bed, also be the place of the patient such as those bedfast old men dining and excretion, therefore beverage and the Excreta that produces due to incontinence etc. are trickled down on bed, also exist its moisture to make the Power System Shortcuts of air pump and cause patient to wait the danger of getting an electric shock.
On the other hand, non-internal pump air cushion, for example, makes air hose from being arranged at the outside air pump separating with air cushion and extending to air cushion and to air cushion air supply.Such air cushion, the scald that does not exist air pump to heat to cause and danger on fire and because the short circuit of air pump power system causes the danger of getting an electric shock.But, because the surrounding of bed disposes the air hose extending from air pump, therefore leave over the problem of the foot that stumbles the nursing staff etc. who looks after patient etc.
When the foot that nursing staff like that etc. occurs is stumbled by air hose, when situation that air hose comes off from air pump, can stop from air pump to air cushion air supply, and the air being filled in air chamber is disposed to outside by air hose.And a denier air discharges from air chamber, the object that the object of air cushion supports patient's etc. health also cannot be reached.
In addition, in the local time turning off the power supply of air pump and together with air cushion, patient etc. is moved to other, owing to ending from the air supply of air pump, the air being therefore filled in air chamber can be disposed to outside, cannot support patient's etc. health.In addition, completely flat air cushion, is the only thin film of tens microns of left and right of thickness, does not prevent in the nature of things the effect of patient's etc. decubital ulcer.Because this type of patient waits compared with ordinary people skin more fragile, even if it is shorter and be temporary moving therefore to move distance, also must avoid air drain and cannot support patient's etc. health from air chamber.
The situation of this utility model based on such and completing, its object is to provide a kind of adapter and air cushion suit, described adapter and air cushion suit can ensure the circulation of air in the time that two unit are installed, and prevent that air from flowing out from air cushion, thereby effectively keep air cushion intrinsic pressure in the time of dismounting.
Utility model content
For addressing the above problem, adapter of the present utility model, possesses: the 1st linkage unit, and it is arranged at and the end that can keep the air hose that in air cushion, the bag-shaped air chamber of air is connected; And the 2nd linkage unit, it is arranged at the outside of outside air intake and exhaust system or the end of the air hose that is connected with this air intake and exhaust system, and can load and unload on described the 1st linkage unit, it is characterized in that, described the 1st linkage unit, be built-in with check-valves, under the state fastening at described check-valves and described the 2nd linkage unit, can make described air intake and exhaust system suck and discharged air to described air chamber, under the state not fastening with described the 2nd linkage unit at described check-valves, prevent that air from flowing out to outside by described air hose from described air chamber.
In addition, for addressing the above problem, adapter of the present utility model, is characterized in that, is built in the described check-valves of described the 1st linkage unit, possesses: the 1st cylinder, and it is arranged at described the 2nd linkage unit one side; The 2nd cylinder, it is arranged at described air chamber one side; Valve body, it has: the 1st valve body and the 2nd valve body that can in described the 1st cylinder, slide, the 2nd valve body and the 1st valve body between form regulation space and described air chamber side end that can inaccessible described the 1st cylinder in being fixed on the 1st valve body; And pushing portion, it supports described valve body, under the state that is not subject to extraneous pressure, valve body described in lifting, by making described closure of check ring with the described air chamber side end of inaccessible described the 1st cylinder of described the 2nd valve body, under the state that is subject to extraneous pressure, make the described air chamber side displacement of described the 1st valve body to described the 1st cylinder, by making described the 1st cylinder make described check-valves open in open state.
In addition, for addressing the above problem, adapter of the present utility model, it is characterized in that, in described valve body, described the 1st valve body is formed as drum, described the 2nd valve body is formed as upper base to be arranged at the truncated conical shape substantially of described the 1st valve body one side, also there is the space the fixing two-part flank that between described the 1st valve body and described the 2nd valve body, form regulation, the external diameter of described the 1st valve body is less than the internal diameter of described the 1st cylinder, can slide in the inside of the 1st cylinder, substantially the round platform of described the 2nd valve body diameter of going to the bottom is greater than the internal diameter of described the 1st cylinder, by this, the lateral parts of round platform and the end of described the 1st cylinder connect and the end of inaccessible the 1st cylinder substantially.
In addition, for addressing the above problem, adapter of the present utility model, it is characterized in that, described the 2nd valve body, comprising: body, and it has from described the 1st valve body side 3 round platforms of the 1st, the 2nd and the 3rd is overlapped in the profile of same rotating shaft, and the upper base diameter with described the 2nd round platform is less than the diameter of going to the bottom of described the 1st round platform, the diameter of going to the bottom of described the 2nd round platform is less than the profile of the upper base diameter of described the 3rd round platform; And covering part, it is corresponding with the side view of described body and form inwall, make this inwall be embedded in the side of this body and cover whole sides of described body and the part that described the 3rd round platform is gone to the bottom, thereby described the 2nd valve body is formed as to truncated conical shape substantially; And in the lateral parts of described the 2nd valve body, the crest line of the described 2nd valve body lateral parts corresponding with described the 2nd frustum cone side part of described body and described the 3rd frustum cone side part, is convex along circumferencial direction projection respectively.
In addition, for addressing the above problem, adapter of the present utility model, it is characterized in that, be provided with and run through part in the disk inside of described the 1st valve body, the 1st valve body and described the 2nd valve body form as one by the fixed part of regulation shape, in the time that described the 1st valve body is shifted to end one side of described the 1st cylinder, air runs through gap between part, described the 1st cylinder inner wall and described fixed part and the gap between described the 1st cylinder and described the 2nd valve body by the 1st valve body disk inside, thereby makes described the 1st cylinder opening.
In addition, for addressing the above problem, adapter of the present utility model, is characterized in that, described pushing portion is by forming with the elastomer of spring, rubber or resin formation.
In addition, for addressing the above problem, adapter of the present utility model, is characterized in that, the cylinder portion of described the 2nd linkage unit inserts in described the 1st cylinder of described the 1st linkage unit, makes described the 1st valve body to described the 2nd cylinder side displacement.
In addition, for addressing the above problem, adapter of the present utility model, it is characterized in that, in described the 2nd linkage unit, be provided with and be inserted into described the 1st linkage unit inwall, and the hook portion that can fasten with internal face, the cylinder portion of described the 2nd linkage unit inserts in described the 1st cylinder of described the 1st linkage unit, making described the 1st cylinder in open state, keeps the connection status of described the 1st linkage unit and described the 2nd linkage unit.
In addition, for addressing the above problem, of the present utility model being characterised in that, its air cushion that is feature for described the 1st linkage unit to possess above-mentioned adapter is set with.
Utility model effect
According to this utility model, can in the time that being installed, two unit ensure the circulation of air, in the time of dismounting, prevent that air from flowing out from air cushion, thereby effectively keep air cushion intrinsic pressure.
Detailed description of the invention
Below, be set with reference to the accompanying drawings of adapter and the air cushion of an embodiment of the present utility model.
Fig. 1 is the oblique view that shows the summary of the air cushion suit 1 of the adapter 6 that comprises an embodiment of the present utility model.As shown in Figure 1, the air cushion suit 1 of present embodiment, possesses: air cushion 2; Foam top body 3, it is to be arranged at air cushion 2 foam pad above; Pump unit 4, it carries out suction and the discharge of air to air cushion 2; And air hose 5, its for by pump unit 4 and air cushion 2 between carry out suction and the discharge of air.In addition, in the present embodiment, adapter 6 is by the unit and the cell formation that is arranged at air hose 5 ends that are arranged at 4 outsides, pump unit.
Fig. 2 shows that the air cushion of this utility model one embodiment is set with the assembling assumption diagram of 1 summary.As shown in Figure 2, in the inside of air cushion 2, the columnar bag-shaped air chamber substantially being extended by multiple short side directions to air cushion is arranged and is formed air chamber group to the long side direction of air cushion and vertical direction respectively.In the present embodiment, specifically, on long side direction, be arranged with in 24 air chambers, vertical direction and be arranged with 2 air chambers, add up to and have 48 air chambers.
As shown in Figure 2, air chamber in the present embodiment, its anyhow each 24 air chambers be 1 bundle.This air chamber bundle (hereinafter referred to as " air chamber unit ") 21 is fixed by a pair of annular fastener 22a, the 22b that are arranged near the short side direction two ends, inner side of air cushion 2.A pair of securing member 22a, 22b arrange the quantity that is only equivalent to air chamber bundle on the long side direction of air cushion.In the present embodiment, be provided with 12 couples of securing member 22a, 22b.
In the air cushion 2 of present embodiment, air chamber group is that air chamber unit 21 forms by arranging multiple 4 air chamber bundles.Air chamber unit 21, as thin-film material, for example, can use the resin film that the resin materials such as polrvinyl chloride (PVC), ethylene-vinyl acetate copolymer resin (EVA), polyurethane (PU) is processed into 0.2~1.0mm left and right.In addition, can use as required on these resin materials lamination process, bond processing to have the material of fibrous material etc.In addition, 4 air chambers are to press the structure that keeps the air that is sucked and discharged by pump unit 4 with regulation.This air chamber unit 21, is folded in half use.And the air chamber unit 21 of the doubled state so arranging, as shown in Figure 2, arranges to the long side direction of air cushion 2, forms air chamber group.
Like this, in the air chamber unit 21 of present embodiment, be arranged in and make adjacent two air chambers have mutually different diameter of section, so-called by being made as " nested " state, realizes the stabilisation of unit.Suppose, in the time that with diameter of section, all identical air chamber forms same unit, once alternately carry out supply and the discharge of air to the air chamber of air cushion long side direction, disequilibrate sometimes overlapping in vertical direction air chamber or collapse or do not get back to original position, the function original to air cushion causes harmful effect.
As present embodiment, by making 2 to become a pair ofly, make two adjacent air chambers in long side direction and vertical direction, there is mutually different diameter of section, the envelope curve that therefore links two air chamber end faces arranged vertically forms inclined-plane.Fig. 3 is the summary sectional view of the air chamber state of air cushion 2 inside for present embodiment is described.As shown in Figure 3,2 a pair of air chamber unit 21, its envelope curve that connects 4 air chamber end faces forms parallelogram 21p.Because parallelogram is similar to rectangle, the support force of therefore mutually asking by air chamber and friction produce and the same effect of rectangular air chamber, thereby between air chamber, mutually support and can not collapse, and produce stability.Like this, by making 4 air chambers in 2 a pair of nested states, can realize the stabilisation of unit.
In addition, in the present embodiment, diameter of section is divided into heavy in section and 2 kinds of diameter of sections of small bore, but also can makes the diameter of section of 4 air chambers different.In addition, the air chamber quantity that air chamber unit comprises is not limited in 4, for example, also can make it when folding, on the long side direction at air cushion, have 2, have in vertical direction 3, can also make it on long side direction, have 3, there are in vertical direction 2, in addition also can.In a word, as long as two adjacent air chambers are arranged in and have different diameter of section mutually in the long side direction of air cushion and described vertical direction.
Next, about describing to the air chamber air amount of air cushion 2 and from the action of the air chamber discharged air of air cushion 2 by pump unit 4.As shown in Figures 1 and 2, in the present embodiment, the air hose 5 that is connected in air chamber in air cushion 2 extends to the outside of air cushion 2, and is that pump unit 4 is connected by adapter 6 and outside air intake and exhaust system.In the present embodiment, will be divided into three systems by 24 of 12 air chamber cell formations paired air chambers, in each system, connect respectively 3 air hoses 5.
Fig. 4 is for illustrating at the interior air chamber of air cushion 2 of present embodiment and air hose 5 key diagram of 3 structures while being systematically connected respectively.As shown in Figure 4, air hose 5 is made up of 1 air hose in each system, adds up to and is made up of 3 air hoses 51~53.In each air hose, specifically form the corresponding part in position with adapter at air chamber and connecting portion air hose of specifying according to each system and be formed with notch part A1, A2 with certain spacing ..., B1, B2 ..., C1, C2 ...And, in each air chamber, be formed with the unit for being connected with air hose 5.
Fig. 5 is the key diagram of the details of the method for attachment of air chamber for present embodiment is described and air hose 5.As shown in Figure 5, in air chamber 21c, be formed with the T font unit 21h that is connected with air hose 51 and becomes the circulation passage of suction and discharged air.This unit 21h, as a part for T font adapter is presented to Fig. 5, from the partial insertion of notch part A1 and be fixed on the inside of air hose 51.
As mentioned above, in the present embodiment, air cushion suit 1, its air hose 5 possesses the independent suction and discharge passage of 3 systems, and any one and the described air chamber of the suction and discharge passage of air hose 5, connect successively according to every 3 systems.And, carry out suction and the discharge of air by pump unit 4 with air-breathing, aerofluxus and 3 action cycles stopping, in the air chamber of arranging, carry out suction and the discharge of air with the identical action cycle every two on the long side direction of air cushion 2.
In addition, in the present embodiment, pump unit 4 can load and unload with air hose 5, realizes described handling by adapter 6.Adapter 6 is made up of two linkage units substantially, and a linkage unit is arranged at pump unit 4, and another linkage unit is arranged at the end of air hose 5.Here, Fig. 6 and Fig. 7 are the structure (when handling) that is respectively used to the adapter 6 that an embodiment of the present utility model is described and the key diagram of structure (when joint).
As shown in Fig. 6 and Fig. 7, the adapter 6 of present embodiment, has linkage unit 61, and it is arranged at the end with the air hose 5 that can keep the bag-shaped air chamber of air cushion 2 interior air to be connected; And linkage unit 62, it is arranged at the outside that outside air intake and exhaust system is pump unit 4.In addition, linkage unit 61 and linkage unit 62, as Fig. 6 and Figure 7 shows that removably structure.In addition, in the present embodiment, linkage unit 62 is embedded to the structure in pump unit 4 in being, but can be also the structure that is arranged at the air hose end being connected with pump unit 4.
In addition, linkage unit 61, be built-in with check-valves 63, under the state fastening at this check-valves 63 and linkage unit 62, can suck and discharged air to air chamber by pump unit 4, on the other hand, under the state not fastening with linkage unit 62 at this check-valves 63, prevent that air from flowing out to outside by air hose 5 from air chamber.Like this, pump unit 4 and air hose 5 are made as removably simultaneously, by built-in check-valves in the adapter of air chamber one side, also can keep within a certain period of time the intrinsic pressure of air cushion even if unload connector part.Accordingly, can make unloading pump unit 4 patient wait under the state of lying thereon and move air cushion 2.In addition, even wait and stumbled the fortuitous events such as foot by air hose 5 and while making the dockingundocking of adapter 6 there is nursing staff, the check-valves 63 of linkage unit 61 1 sides that also can be by being built in adapter 6 prevents that air from flowing out to outside from air chamber, effectively keep the intrinsic pressure of air cushion 2, wait thereby reduce patient the danger that decubital ulcer occurs.
Here, the detailed structure of check-valves 63 is illustrated.In check-valves 63, be formed with the cylinder 63a that is arranged at the side that is connected with linkage unit 62 and the cylinder 63b that is arranged at air chamber one side.In addition, in cylinder 63a, possess valve body 63c, it has slidably valve body 63c1 and valve body 63c3, this valve body 63c3 and this valve body 63c1 between form regulation space 63c2 and air chamber side end 63a1 that can inaccessible cylinder 63a in being fixed on valve body 63c1.
In addition,, in check-valves 63, also possesses the spring 63d of sutaining valve main body 63c.Spring 63d, under the state that is not subject to extraneous pressure, by lift valve main body 63c in valve body 63c3 the air chamber side end 63a1 of inaccessible cylinder 63a, thereby close check-valves 63.In addition, spring 63d, under the state that is subject to extraneous pressure, by making valve body 63c1 make cylinder 63a in open state to the air chamber side displacement of cylinder 63a, thus opens check valve 63.In addition, in the present embodiment, by making described check-valves 63 in opening from outside by pressing spring 63d, but as the embodiment of this spring 63d, spring on the coil as shown in Fig. 6 and Fig. 7, also can be formed by the elastomer forming with rubber and resin etc.
Next, be illustrated about the detailed structure of the valve body 63c of the linkage unit 61 of the adapter 6 of above-mentioned embodiment.Fig. 8 is the outside drawing of the valve body 63c structure of the linkage unit 61 of the adapter 6 for an embodiment of the present utility model is described.As shown in Figure 8, in the valve body 63c of present embodiment, valve body 63c1 is formed as drum, and valve body 63c3 is formed as upper base to be arranged at the truncated conical shape substantially of valve body 6,3c1 mono-side.In addition, valve body 63c, also has the space the fixing two-part flank 63c4 that between valve body 63c1 and valve body 63c3, form regulation.And, in this valve body 63c, by being formed as making the external diameter of valve body 63c1 less than the internal diameter of described cylinder 63a, can be in the inner slip of this cylinder 63a.In addition, by being formed as making the round platform substantially of the valve body 63c3 diameter of going to the bottom larger than the internal diameter of cylinder 63a, can make the lateral parts 63c5 of round platform and the end 63a1 of cylinder 63a substantially connect and the end of inaccessible cylinder 63a.Like this, in the present embodiment, the 62a of cylinder portion of linkage unit 62 is inserted in the cylinder 63a of linkage unit 61, makes valve body 63c1 to cylinder 63b mono-side displacement.
As shown in Figure 8, be provided with and run through part in the disk inside of valve body 63c1, valve body 63c1 and valve body 63c3 form as one by the fixed part (having the flank 63c4 of cross rib shape in Fig. 8) of regulation shape.And, as shown in Figure 7, in the time that valve body 63c1 is shifted to end one side of cylinder 63a, the disk inside of air by valve body 63c1 to run through part, cylinder 63a inwall and fixed part be the gap between gap and cylinder 63a and the valve body 63c3 between flank 63c4, thereby make cylinder 63a opening.
Fig. 9 and Figure 10 are the key diagrams for the detailed structure of the valve body 63c3 of the valve body 63c of the present embodiment shown in difference key diagram 8.As shown in Figure 9, in the adapter 6 of present embodiment, the valve body 63c3 of the valve body 63 in linkage unit 61, has: body s1 and the covering part s2 that covers this body s1.Body s1, has from valve body 63c1 side 3 round platform s11, s12, the s13 such as the 1st, the 2nd and the 3rd profile on same rotating shaft that overlaps.In addition, the upper base diameter with the 2nd round platform s12 is less than the diameter of going to the bottom of the 1st round platform s11, and the diameter of going to the bottom of the 2nd round platform s12 is less than the profile of the upper base diameter of the 3rd round platform s13.
In addition, covering part s2, as shown in Fig. 9 and Figure 10, it is corresponding with the side view of body s1 and form inwall s21, make inwall s21 be embedded in the side of body s1 and cover whole sides of body s1 and the part that the 3rd round platform s13 goes to the bottom, thereby valve body 63c3 is formed as to truncated conical shape substantially.In addition, covering part s2, in the lateral parts of valve body 63c3, the crest line s22 of the valve body 63c3 lateral parts corresponding with the 2nd round platform s12 lateral parts of body s1 and the 3rd round platform s13 lateral parts, as shown in Fig. 9 and Figure 10, be convex along circumferencial direction projection respectively.
In addition,, in linkage unit 62, be provided with the hook portion 62b that is inserted into linkage unit 61 inwalls and can fastens with internal face.In addition, the 62a of cylinder portion of linkage unit 62 inserts in the cylinder 63a of linkage unit 61, makes cylinder 63a in open state, keeps the connection status of linkage unit 61 and linkage unit 62.
In the air cushion suit 1 of adapter 6 that possesses like this present embodiment, even in the case of pump unit 4 and the fastening of the linkage unit 61,62 of air hose 5 are about to remove or have removed, owing to can keeping within a certain period of time the air of air cushion intrinsic pressure, therefore can be when urgent etc. reduce patient and wait the danger that decubital ulcer occurs.
Above-mentionedly be illustrated as an embodiment of the present utility model, it does not limit practical range of the present utility model., the embodiment that the equivalent embodiment carrying out within the scope of this utility model changes and modifies, all belongs to technology category of the present utility model.