CN110251336A - A kind of knee back regulating mechanism, backing plate, nursing bed and seat - Google Patents

Abstract

The present invention provides a kind of knee back regulating mechanism, backing plate, nursing bed and seat, first adjustment portion is set in adjusting bracket, Tai Bei mechanism and bending knee mechanism are located in the first installation cavity and the second installation cavity of the first adjustment portion two sides, first adjustment portion adjusts the relative distance between first support and second support with the relative distance for changing Tai Bei mechanism between mechanism of bending the knee, guarantee that Tai Bei mechanism and bending knee mechanism respectively correspond back and the knee of human body, to improve the comfort level of sitting and lying；At least two bending parts are set on backing plate and the bending part of Tai Bei mechanism and mechanism of bending the knee matches, corresponding first adjustment portion arranging plate adjustment portion between two bending parts, the length of backing plate at this is adjusted by plate adjustment portion, it is consistent with the adjustment length of the first adjustment portion, to adapt to the waist of different human body to the different length of knee；Nursing bed or the seat of regulating mechanism and backing plate, which are carried on the back, using the knee provides more comfortable sitting and lying experience for handicapped people.

Description

A kind of knee back regulating mechanism, backing plate, nursing bed and seat

Technical field

The invention belongs to medical nursing equipment technical fields, and in particular to a kind of knee back regulating mechanism, backing plate, nursing bed and Seat.

Background technique

Perfect with health care system with the improvement of living standards, requirement of the people to quality of life is also increasingly Height emerges large quantities of miscellaneous care appliances in the market, especially has in order to which old man or bed patient provide conveniently There is the equipment of lift back function and bending knee function, even more by favor.

Handicapped people lie or sit on these devices, by lift back function by back be raised to appropriate location so as to It reads a book, see TV or have a meal, while function of bending the knee is by knee bend, since position is just causing excessively during preventing back to be lifted It glides, and to change sitting or people's knee posture for lying long, can be made according to the bending knee kneed position of height appropriate adjustment Knee obtains appropriate loosen.

But have the function of that lift back can not adapt to the length of human body different parts with the equipment of bending knee function currently on the market Degree, makes corresponding length adjustment, and the relative position between Ji Taibei mechanism and bending knee mechanism immobilizes, when human body waist extremely When the length of knee is more than or less than the distance between Tai Bei mechanism and bending knee mechanism of equipment, sitting and lying is targeted by back above The lifting in portion has just been staggered the bending of knee, and the bending for being targeted by knee has just been staggered the lifting at back, to a certain extent shadow The comfort level for having rung sitting and lying is long since use such equipment is all to need sitting or sleeping long or even mostly moving difficulty people The lifting for being not suitable with human body and bending of phase makes a big impact to human health.In addition, people higher for height, it is also desirable to Such equipment can have the function of convenient and fast length adjustment to adapt to its height, meet comfortable require.

Summary of the invention

Therefore, technical problem to be solved by the present invention lies in the existing equipment with knee back regulating mechanism can not basis The length of human body different parts makes adaptable length adjustment, to improve comfort level.

For this purpose, the present invention provides a kind of knee back regulating mechanism, including

At least two adjusting brackets, are oppositely arranged on base station；

Any adjusting bracket has first support, the first adjustment portion and second support；

First adjustment portion is arranged between the first support and the second support；First adjustment portion is suitable for Adjust the relative distance between the first support and the second support；

The first installation cavity is surrounded between the opposite first support；The second peace is surrounded between the opposite second support It behave affectedly；

Tai Bei mechanism and bending knee mechanism, the two one are arranged in first installation cavity, and the two is another to be arranged described In second installation cavity.

Preferably, above-mentioned knee carries on the back regulating mechanism, the adjusting direction of first adjustment portion and the first support and described The extending direction of second support is consistent.

Preferably, above-mentioned knee carries on the back regulating mechanism, and the Tai Bei mechanism includes

First raises component and lift back braces, and described first, which raises component, is suitable for pushing the lift back braces in the adjusting It is moved up and down on bracket；

Described first, which raises component, is arranged in first adjustment portion；Described first raises component and the lift back braces Between relative position remained unchanged in the adjustment process of first adjustment portion.

Preferably, above-mentioned knee carries on the back regulating mechanism, and any first adjustment portion uses telescopic component.

Preferably, above-mentioned knee carries on the back regulating mechanism, and the telescopic component includes

First socket section, is arranged in the first support；

First bushing, suitable for the different positions for being socketed in the first socket section and being fixed in the first socket section It sets.

Preferably, above-mentioned knee carries on the back regulating mechanism, and the Tai Bei mechanism raises component and lift back braces including first；

Described first to raise component include fixed link, the first hinge bar and driving device；The driving device is arranged in institute It states between fixed link and first hinge bar；

The fixed link both ends are separately fixed in opposite the first socket section；First hinge bar both ends difference It is hinged in the opposite first support；Further include

Relief hole, the telescopic direction along the telescopic component are provided in the side wall surface of first bushing；The fixation Bar is suitable for moving in the telescopic direction along the relief hole.

Preferably, above-mentioned knee carries on the back regulating mechanism, be arranged on both first bushing and the first socket section one to Few first fixed part；Another upper setting at least two of both first bushing and the first socket section is along described flexible Direction arrangement and the first positioning region compatible with first fixed part；Further include

Lock piece, suitable for first fixed part to be locked on any first positioning region.

Preferably, above-mentioned knee carries on the back regulating mechanism, further includes

Second adjustment portion is arranged in a one-to-one correspondence with the adjusting bracket in the ipsilateral end of the adjusting bracket；

Second adjustment portion is suitable for adjusting the length of the adjusting bracket.

The present invention provides a kind of backing plate, including

At least two bending parts and the plate adjustment portion between two bending parts；The backing plate is suitable for being laid on In the adjusting bracket for stating the knee back regulating mechanism；

The plate adjustment portion is suitable for changing adjustment length of the backing plate length to match first adjustment portion.

Preferably, above-mentioned backing plate, the plate adjustment portion include

At least two pieces of connecting plates and the regulating mechanism being arranged between the adjacent connecting plate；

The regulating mechanism is suitable for adjusting the relative distance between the adjacent connecting plate.

Preferably, above-mentioned backing plate,

The regulating mechanism uses hatch arrangement.

Preferably, above-mentioned backing plate, the hatch arrangement include

At least two third hinge bars are respectively hinged on the adjacent connecting plate；Between the adjacent third hinge bar Hinge connections connection；

The adjacent connecting plate is by the mutual folding between the adjacent third hinge bar to close to each other or adjacent Mutual expansion between the third hinge bar is to be located remotely from each other.

Preferably, above-mentioned backing plate, the hinged end of both adjacent described connecting plates one, which opens up, allows bit space, and the two is another Hinged end be suitable for by allowing bit space described in being mutually folded between the adjacent third hinge bar.

Preferably, the length of above-mentioned backing plate, any third hinge bar is equal to arbitrary neighborhood in first adjustment portion The half of the distance between two the first positioning regions.

The present invention provides a kind of nursing bed, including

First pedestal；

Knee described above carries on the back regulating mechanism；

The knee back regulating mechanism is mounted on first pedestal.

Preferably, above-mentioned nursing bed, first pedestal are arranged two；

Two first pedestals are separately positioned on one end of the Tai Bei mechanism and one end of the bending knee mechanism；

Universal wheel is set below any first pedestal.

Preferably, above-mentioned nursing bed further includes

Elevating mechanism is arranged in a one-to-one correspondence between first pedestal and the base station with first pedestal；

Any elevating mechanism is suitable for independent-lifting.

Preferably, above-mentioned nursing bed, the elevating mechanism use X-linked hoisting mechanism.

Preferably, above-mentioned nursing bed further includes

Backing plate described above.

The present invention provides a kind of seat, including

Second pedestal；

Knee described above carries on the back regulating mechanism；

The knee back regulating mechanism is mounted on second pedestal.

Preferably, above-mentioned seat further includes

Backing plate described above.

Technical solution of the present invention has the advantages that

1. a kind of knee provided by the invention carries on the back regulating mechanism, the first adjustment portion is set in adjusting bracket, Tai Bei mechanism and Bending knee mechanism is located in the first installation cavity and the second installation cavity of the first adjustment portion two sides, and the first adjustment portion adjusts first Relative distance between frame and second support adapts to different human body with the relative distance for changing Tai Bei mechanism between mechanism of bending the knee Waist to the different length of knee, guarantee Tai Bei mechanism and mechanism of bending the knee respectively correspond back and the knee of human body, to improve The comfort level of sitting and lying.

2. a kind of knee provided by the invention carries on the back regulating mechanism, the first of Tai Bei mechanism raises component and is arranged in the first adjustment portion On, and keeping first to raise component in the adjustment process of the first adjustment portion and lifting the relative position between back braces, it does not influence First raises the driving trip of component, so that not influencing the elevating movement of Tai Bei mechanism when adjusting bracket is in random length.

3. a kind of knee provided by the invention carries on the back regulating mechanism, the first adjustment portion uses mutually nested telescopic component, so that First adjustment portion has better supporting role.

4. a kind of knee provided by the invention carries on the back regulating mechanism, be arranged on both the first bushing and the first socket section one to Few first fixed part, at least two first positioning regions of another upper setting of the two enable the first adjustment portion to adjust paragraph by paragraph Relative distance between first support and second support, multistage adjusting can adapt to the variation of more multiple-length and require.

5. a kind of knee provided by the invention carries on the back regulating mechanism, the second adjustment portion is set in adjusting bracket end, passes through second Adjustment portion adjusts the length of adjusting bracket, to make up the deficiency that the first adjustment portion adjusts human body entire length.

6. the bending part of a kind of backing plate provided by the invention, at least two bending parts of setting and Tai Bei mechanism and mechanism of bending the knee Match, corresponding first adjustment portion arranging plate adjustment portion between two bending parts adjusts backing plate at this by plate adjustment portion Length, it is consistent with the adjustment length of the first adjustment portion, to adapt to the waist of different human body to the different length of knee.

7. a kind of backing plate provided by the invention, it is articulated and connected between adjacent connection plates using third hinge bar, and any the The half of the length of three hinge bars distance length between two neighboring first positioning region, so that adjusting bracket is in movement adjacent two When the distance between a first positioning region, it is only necessary to open or fold one group of third hinge bar, the length of third hinge bar with The unit length that first adjustment portion is adjusted is adapted, and the consistency of adjusting bracket and backing plate adjusting is effectively ensured, and easy to operate It is convenient.

8. a kind of nursing bed provided by the invention is handicapped people using above-mentioned knee back regulating mechanism and backing plate Provide more comfortable sitting and lying experience.

9. a kind of seat provided by the invention is mentioned using above-mentioned knee back regulating mechanism and backing plate for handicapped people More comfortable sitting and lying has been supplied to experience.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram that knee of the present invention carries on the back regulating mechanism and nursing bed；

Fig. 2 is the structural schematic diagram that knee of the present invention carries on the back first support in regulating mechanism；

Fig. 3 is the structural schematic diagram that knee of the present invention carries on the back second support in regulating mechanism；

Fig. 4 is the structural schematic diagram that knee of the present invention carries on the back third bracket in regulating mechanism；

Fig. 5 is the partial structural diagram of nursing bed of the present invention；

Fig. 6 is the structural schematic diagram one of plate adjustment portion in backing plate of the present invention；

Fig. 7 is the structural schematic diagram two of plate adjustment portion in backing plate of the present invention.

Description of symbols:

1- base station；

2- adjusting bracket；21- first support；211- mounting hole；The first adjustment portion of 22-；221- first is socketed section；222- One bushing；The first fixation hole of 223-；224- first positioning hole；225- relief hole；23- second support；The second fixation hole of 231-； 232- second is socketed section；233- second location hole；

3- Tai Bei mechanism；31- lifts back braces；32- fixed link；The first mounting base of 320-；The first hinge bar of 33-；

4- bending knee mechanism；41- articulated shaft；The second hinge bar of 410-；42- swing arm；The second mounting base of 43-；

5- third bracket；51- third is socketed section；52- third bushing；53- third fixation hole；54- third location hole；

6- plate adjustment portion；61- connecting plate；62- third hinge bar；63- allows bit space；

The first pedestal of 7-；8-X linked hoisting mechanism；9- support plate.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

Embodiment 1

The present embodiment provides a kind of knees to carry on the back regulating mechanism, as shown in Figure 1, including at least two adjusting brackets 2, Tai Bei mechanism 3 have first support 21, the first adjustment portion 22 and second support 23 with bending knee mechanism 4, any adjusting bracket 2.2 phase of adjusting bracket To being arranged on base station 1, base station 1 is arranged two, is located at the both ends of adjusting bracket 2, encloses between opposite first support 21 At the first installation cavity, the second installation cavity is surrounded between opposite second support 23, in the present embodiment, Tai Bei mechanism 3 is mounted on In one installation cavity, bending knee mechanism 4 is mounted in the second installation cavity.In the present embodiment, first support 21 and second support 23 are distinguished It is independent hollow square-tube type bracket, first support 21 and second support 23 extend in the same direction and be separately fixed at respectively On the base station 1 of lower section, support plate 9, first support 21 and second is arranged in the junction bottom of first support 21 and second support 23 The end of bracket 23 is in juxtaposition overlap joint setting on support plate 9, and two opposite first supports 21 are respectively positioned on adjacent two The inside of a second support 23.

As shown in Figure 1, one end that first support 21 is located at support plate 9 is arranged in the first adjustment portion 22, as shown in Fig. 2, this In embodiment, the first adjustment portion 22 uses telescopic component, and the first adjustment portion 22 includes the first socket section 221 and the first bushing 222, First socket section 221 is molded over the end of first support 21, and the first socket section 221 is suitable for grafting and flexible setting in the first bushing In 222, as shown in Figure 1, the first bushing 222 overlap joint is fixed on support plate 9.First bushing 222 is towards the side of the first installation cavity Relief hole 225 is opened up on wall, and first fixed part, this reality are set between the socket opening of relief hole 225 and the first bushing 222 Apply in example, the first fixed part be the first fixation hole 223, first socket section 221 on uniformly opened up along telescopic direction at least two with The first positioning hole 224 as the first positioning region that first fixation hole, 223 size matches, in the present embodiment, first positioning hole 224 setting three, first socket section 221 is plugged in the first bushing 222, by lock piece by the first fixation hole 223 with it is any First positioning hole 224 is plugged and fixed, to adjust the length of first support 21, in the present embodiment, lock piece uses pin shaft or spiral shell Bolt.

As shown in Figure 1, Tai Bei mechanism 3 raises component and lift back braces 31 including first, first raises component including fixing Bar 32, the first mounting base 320, the first hinge bar 33 and driver (not shown), positioned at the direction the of the first socket section 221 Mounting hole 211 is opened up between the end and first positioning hole 224 of one bushing 222,32 both ends of fixed link are separately fixed at opposite In the mounting hole 211 of first support 21, and it is suitable in the first socket telescopic slide in the first bushing 222 of section 221 along resigning It is slided simultaneously with the first socket section 221 in hole 225.It lifts 31 bottom of back braces and the first hinge bar 33 is set, the first hinge bar 33 has Rotary shaft, rotating shaft terminal are hinged in the first support 21 of two sides, are installed between the first mounting base 320 and the first hinge bar 33 Driver, in the present embodiment, driver uses push rod cylinder, and the first mounting base is hingedly arranged in the cylinder portion of push rod cylinder On 320, the end of push rod is fixed on the first hinge bar 33, and when push rod cylinder starts, push rod pushes the first hinge bar 33 around rotation Shaft rotation, thus drive lift back braces 31 move up and down, due to first raise component be installed in first support 21 and at Type can begin during the first adjustment portion 22 adjusts collapsing length in the first socket section 221 of 21 end of first support Keep the first relative distance for raising component and lifting between back braces 31 constant eventually, therefore will not lifting angle to Tai Bei mechanism 3 Degree has any impact, and under normality, lift back braces 31 and first support 21 are in same plane, when lift back acts, lift back branch The driving that frame 31 is raised component by first raises with rotary shaft rotation and is higher by the plane at 21 place of two sides first support.

Again as shown in Figure 1, bending knee mechanism 4 raises component and swing arm 42 including second, second raises component with articulated shaft 41, the second mounting base 43, the second hinge bar 410 and driver (not shown), articulated shaft 41 is close to the end of the first bushing 222 Portion is mounted in the opposite second support 23 in two sides, and the second hinge bar 410 is fixed on 41 lower section of articulated shaft, is located at 41 liang of articulated shaft A swing arm 42 is fixed close to second support 23 in side respectively, and under normality, the second support 23 of swing arm 42 and two sides is in same flat In face, the second mounting base 43 is fixed on the base station 1 of the lower section of second support 23, driver be mounted on the second mounting base 43 with Between second hinge bar 410, driver still uses push rod cylinder, and one end of push rod cylinder is hinged in the second mounting base 43, separately One end connects the second hinge bar 410, and when bending knee acts, the driving that swing arm 42 is raised component by second is raised with the rotation of articulated shaft 41 And it is higher by the plane where two sides second support 23.

Again as shown in Figure 1, second support 23 also sets up the second adjustment portion far from one end of bending knee mechanism 4, as shown in figure 3, Second adjustment portion includes the second socket section 232 and the second bushing, and second support 23 is suitable for being socketed in second set as the second bushing It connects in section 232, the second fixation hole 231 is arranged in the end that second support 23 is located at the second socket section 232, and second is socketed in section 232 Uniformly open up several second location holes 233 along telescopic direction, in the present embodiment, second location hole 233 is arranged four, the second socket Section 232 is inserted into second supports 23, as desired by lock piece (not shown) by suitable 233 locking of second location hole In the second fixation hole 231, to achieve the purpose that adjust 23 length of second support, in the present embodiment, lock piece uses pin shaft, It can be using bolt etc..

The adjustment process of knee back regulating mechanism in the present embodiment are as follows:

The first adjustment portion 22 is adjusted, the first support 21 of two sides together with the first socket section 221 and is mounted on the first installation Intracavitary Tai Bei mechanism 3 is extracted out from the first bushing 222 simultaneously, so that the first positioning hole 224 of different location is locked at first solid Determine in hole 223, to change the length of adjusting bracket 2 at this.

The second adjustment portion is adjusted, the second socket section 232 of two sides is extracted out from its corresponding second support 23 respectively, and Corresponding second location hole 233 is locked in the second fixation hole 231, to change the entire length of second support 23.

As first interchangeable embodiment of embodiment 1, the first adjustment portion 22 can also be wheel and rack, will First bushing 222 and the first socket section 221 replace with spur rack, and the first 32 both ends of fixed link for raising component are fixed respectively On two opposite spur racks, two gears, the gear teeth difference of two gears are set between upper and lower two spur racks It is engaged on the spur rack of upper and lower two sides, two gears, which are arranged, can provide more stable support force, pass through wheel and rack Engagement sliding, can vary in the length of adjusting bracket 2.

Embodiment 2

The present embodiment provides a kind of backing plate, including at least two bending part (not shown)s and be located at two bending parts it Between plate adjustment portion 6, backing plate be laid on 1 knee of embodiment back regulating mechanism in adjusting bracket 2 on, two bending parts respectively correspond Knee carries on the back the bending section of Tai Bei mechanism and bending knee mechanism in regulating mechanism, and the corresponding knee of plate adjustment portion 6 carries on the back first in regulating mechanism Adjustment portion 22.

As shown in Figure 6 and Figure 7, plate adjustment portion 6 includes at least two pieces of connecting plates 61 and is arranged between adjacent connection plates 61 Regulating mechanism, in the present embodiment, connecting plate 61 is arranged two pieces, offers several air holes on connecting plate 61；Regulating mechanism is adopted With hatch arrangement, hatch arrangement includes at least two third hinge bars 62, and in the present embodiment, third hinge bar 62 is arranged four, Two of them third hinge bar 62 is molded on the connecting plate 61 in left side, two opposite third hinge bars 62 on the connecting plate 61 Between formed and allow bit space 63, other two third hinge bar 62 is respectively hinged at the two sides of right side connecting plate 61, and is located at two It is mutually hinged between the ipsilateral third hinge bar 62 of block connecting plate 61, the hinged end of right side connecting plate 61 is adapted for placement in It allows in bit space 63.

The length of third hinge bar 62 is all the same, and the length of any third hinge bar 62 is two neighboring in embodiment 1 The half of distance between first positioning hole 224.

Certainly, the connecting plate 61 of plate adjustment portion 6 can also be arranged three pieces or four pieces etc., lead between adjacent connecting plate 61 The interconnection of third hinge bar 62 is crossed, the close to each other of adjacent connection plates 61 is realized by third hinge bar 62 or is located remotely from each other, To achieve the purpose that extension or shorten backing plate.The number of the third hinge bar 62 connected between adjacent two pieces of connecting plates 61 can be Three or four etc., the length of each third hinge bar 62 of appropriate adjustment is needed to be allowed to adjacent two with embodiment 1 at this time The distance between a first positioning hole 224 is adapted, realizing that multistage is adjusted, meeting while opening or folding positioned at connecting plate The length that one group of 61 two sides faces or two groups of third hinge bars 62 are changed is equal between two neighboring first positioning hole 224 Distance.

The adjustment process of plate adjustment portion in the present embodiment are as follows:

The third hinge bar 62 between adjacent connection plates 61 is opened or folds simultaneously, to change the length of backing plate at this Degree；

Alternatively, opening or folding the third hinge of corresponding length according to the length that the first adjustment portion 22 in embodiment 1 is adjusted Extension bar 62 to be adapted therewith.

As first interchangeable embodiment of embodiment 2, in plate adjustment portion 6 between two neighboring connecting plate 61 Regulating mechanism can be telescopic component, and mutually nested telescoping tube is arranged between two neighboring connecting plate 61, i.e., connects in left side Pipe sleeve is installed in one end two sides of fishplate bar 61 respectively, and telescoping tube is installed in one end two sides of corresponding right side connecting plate 61 respectively, Telescoping tube one-to-one correspondence is plugged in pipe sleeve, is opened up through-hole on pipe sleeve and telescoping tube, can will be stretched by bolt or pin shaft Pipe is fixed on the different location of pipe sleeve, same to realize the purpose for extending or shortening backing plate.

Embodiment 3

The present embodiment provides a kind of nursing beds, as shown in Figure 1, carrying on the back adjusting machine including the knee in the first pedestal 7, embodiment 1 Backing plate in structure and embodiment 2.Under normality, adjusting bracket 2, Tai Bei mechanism 3 and bending knee mechanism 4 in knee back regulating mechanism are located In horizontality, wherein the first pedestal 7 be arranged two, be located at knee back regulating mechanism in base station 1 lower section, each first Setting can be with the elevating mechanism of independent-lifting, in the present embodiment between pedestal 7 and its ipsilateral base station 1, and elevating mechanism is using X company Rod type up-down mechanism 8, X architecture play more stable supporting role to base station 1.

Third bracket 5, the setting of third bracket 5 two, two third brackets 5 and reality are also set up between two the first pedestals 7 The first support 21 and second support 23 applied in example 1 are arranged in parallel, each third bracket 5 is equipped with and the in embodiment 1 The third adjustment portion that one adjustment portion 22 matches, as shown in figure 4, third adjustment portion includes third bushing 52 and third socket section 51, third socket section 51 is molded over the end of third bracket 5, and several thirds are uniformly opened up along telescopic direction in third socket section 51 Location hole 54, in the present embodiment, third location hole 54 is arranged three, and the distance between adjacent third location hole 54 with it is adjacent The distance between first positioning hole 224 it is equal, third fixation hole 53 is opened up on third bushing 52, third bushing 52 is set in In three socket sections 51, and the fixation of corresponding third location hole 54 is locked in third fixation hole 53 by bolt or pin shaft, To make length adjustment identical with the first adjustment portion 22.

Also setting up below first pedestal 7 can be with the universal wheel (not shown) of locking, convenient in 22 He of the first adjustment portion Mobile bedstead when third adjustment portion adjustment length, by universal wheel locking after the completion of adjusting.

Embodiment 4

The present embodiment provides a kind of seats, including in the knee back regulating mechanism and embodiment 2 in the second pedestal, embodiment 1 Backing plate.Compared with the structure of nursing bed in embodiment 3, difference is, the second pedestal is arranged one, first support 21 and first Adjustment portion 22 is independently arranged, and first support 21 is fixed on the second pedestal and is extended towards the second pedestal top, lift back branch In installation cavity between first support 21, the first adjustment portion 22 is mounted on the second pedestal and is horizontally disposed with frame 31, and second Have bending knee mechanism 4 on bracket 23 is partially in horizontal position, so that being in horizontal position under 42 normality of swing arm of bending knee mechanism 4 It sets, rest part is extended towards the obliquely downward of the second pedestal.

The position turned between first support 21 and the first adjustment portion 22 is arranged in first rotary shaft for raising component, driving Device is able to drive the pendulum that lift back braces 31 do the plane locating for first support 21 when pushing the first hinge bar 33 in the horizontal direction Turn elevating movement.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (21)

1. a kind of knee carries on the back regulating mechanism characterized by comprising

At least two adjusting brackets (2) are oppositely arranged on base station (1)；

Any adjusting bracket (2) has first support (21), the first adjustment portion (22) and second support (23)；

First adjustment portion (22) is arranged between the first support (21) and the second support (23)；Described first adjusts Section portion (22) is suitable for adjusting the relative distance between the first support (21) and the second support (23)；

The first installation cavity is surrounded between the opposite first support (21)；Is surrounded between the opposite second support (23) Two installation cavitys；

Tai Bei mechanism (3) and bending knee mechanism (4), the two one are arranged in first installation cavity, and the two is another to be arranged in institute It states in the second installation cavity.

2. knee according to claim 1 carries on the back regulating mechanism, which is characterized in that the adjusting direction of first adjustment portion (22) It is consistent with the extending direction of the first support (21) and the second support (23).

3. knee according to claim 1 or 2 carries on the back regulating mechanism, which is characterized in that the Tai Bei mechanism (3) includes

First raises component and lift back braces (31), and described first, which raises component, is suitable for pushing the lift back braces (31) described Adjusting bracket moves up and down on (2)；

Described first, which raises component, is arranged on first adjustment portion (22)；Described first raises component and the lift back braces (31) relative position between remains unchanged in the adjustment process of first adjustment portion (22).

4. knee according to any one of claim 1-3 carries on the back regulating mechanism, which is characterized in that any first adjustment portion (22) telescopic component is used.

5. knee according to claim 4 carries on the back regulating mechanism, which is characterized in that the telescopic component includes

First socket section (221), is arranged on the first support (21)；

First bushing (222), suitable for being socketed in first socket section (221) and being fixed on first socket section (221) On different location.

6. knee according to claim 5 carries on the back regulating mechanism, which is characterized in that the Tai Bei mechanism (3) raises including first Component and lift back braces (31)；

Described first to raise component include fixed link (32), the first hinge bar (33) and driving device；The driving device setting Between the fixed link (32) and first hinge bar (33)；

Fixed link (32) both ends are separately fixed in opposite first socket section (221)；First hinge bar (33) both ends are respectively hinged in the opposite first support (21)；Further include

Relief hole (225), the telescopic direction along the telescopic component are provided in the side wall surface of first bushing (222)；Institute Fixed link (32) are stated to be suitable for moving in the telescopic direction along the relief hole (225).

7. knee according to claim 6 carries on the back regulating mechanism, which is characterized in that first bushing (222) and described first At least one first fixed part is set on both sockets section (221) one；First bushing (222) and the first socket section (221) another upper setting at least two of the two is arranged along the telescopic direction and compatible with first fixed part first determines Position portion；Further include

Lock piece, suitable for first fixed part to be locked on any first positioning region.

8. knee described in any one of -7 carries on the back regulating mechanism according to claim 1, which is characterized in that further include

Second adjustment portion is arranged in a one-to-one correspondence with the adjusting bracket (2) in the ipsilateral end of the adjusting bracket (2)；

Second adjustment portion is suitable for adjusting the length of the adjusting bracket (2).

9. a kind of backing plate, which is characterized in that including

At least two bending parts and the plate adjustment portion (6) between two bending parts；The backing plate is suitable for being laid on power Knee described in any one of force request 1-8 is carried on the back in the adjusting bracket (2) of regulating mechanism；

The plate adjustment portion (6) is suitable for changing adjustment length of the backing plate length to match first adjustment portion (22).

10. backing plate according to claim 9, which is characterized in that the plate adjustment portion (6) includes

At least two pieces of connecting plates (61) and the regulating mechanism being arranged between the adjacent connecting plate (61)；

The regulating mechanism is suitable for adjusting the relative distance between the adjacent connecting plate (61).

11. backing plate according to claim 10, which is characterized in that

The regulating mechanism uses hatch arrangement.

12. backing plate according to claim 11, which is characterized in that the hatch arrangement includes

At least two third hinge bars (62) are respectively hinged on the adjacent connecting plate (61)；The adjacent third hinge bar (62) hinge connections connect between；

The adjacent connecting plate (61) by the mutual folding between the adjacent third hinge bar (62) to close to each other, or Mutual expansion between the adjacent third hinge bar (62) is to be located remotely from each other.

13. backing plate according to claim 12, which is characterized in that both adjacent described connecting plates (61) one it is hinged End, which opens up, allows bit space (63), and another hinged end of the two is suitable for passing through the mutual folding between the adjacent third hinge bar (62) It is allowed described in folded entrance bit space (63).

14. backing plate according to claim 13, which is characterized in that the length of any third hinge bar (62) is equal to institute State the half of the distance between any two neighboring first positioning region on the first adjustment portion (22).

15. a kind of nursing bed, which is characterized in that including

First pedestal (7)；

Knee of any of claims 1-8 carries on the back regulating mechanism；

The knee back regulating mechanism is mounted on first pedestal (7).

16. nursing bed according to claim 15, which is characterized in that first pedestal (7) is arranged two；

Two first pedestals (7) are separately positioned on one end of the Tai Bei mechanism and one end of the bending knee mechanism；

Universal wheel is set below any first pedestal (7).

17. nursing bed according to claim 15 or 16, which is characterized in that further include

Elevating mechanism is arranged in a one-to-one correspondence between first pedestal (7) and the base station (1) with first pedestal (7)；

Any elevating mechanism is suitable for independent-lifting.

18. nursing bed according to claim 17, which is characterized in that the elevating mechanism uses X-linked hoisting mechanism (8)。

19. nursing bed according to claim 15, which is characterized in that further include

Backing plate described in any one of claim 9-14.

20. a kind of seat, which is characterized in that including

Second pedestal；

Knee of any of claims 1-8 carries on the back regulating mechanism；

The knee back regulating mechanism is mounted on second pedestal.

21. seat according to claim 20, which is characterized in that further include

Backing plate described in any one of claim 9-14.