CN115634103B - Nursing transfusion chair capable of adjusting height of limbs of patient - Google Patents
Nursing transfusion chair capable of adjusting height of limbs of patient Download PDFInfo
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- CN115634103B CN115634103B CN202211660778.6A CN202211660778A CN115634103B CN 115634103 B CN115634103 B CN 115634103B CN 202211660778 A CN202211660778 A CN 202211660778A CN 115634103 B CN115634103 B CN 115634103B
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Abstract
The invention discloses a nursing infusion chair capable of adjusting the height of a patient limb, which comprises a linkage mechanism based on angle difference, a sliding locking type single-drive mechanism, an infusion chair body and a lower limb lifting assembly. The invention belongs to the technical field of infusion nursing, and particularly relates to a nursing infusion chair capable of adjusting the height of limbs of a patient; according to the invention, through the linkage of the linkage rope, a certain angle difference exists between the two groups of rotary support assemblies, and the rotary support assemblies on the driven side can be carried to continue to rotate after the rotary support assemblies on the driving side rotate for a certain angle, so that the linkage control on the other side is realized by controlling any one side, and meanwhile, the legs of a patient can be completely supported after the thighs leave the seat cushion part of the chair by limiting the included angle of the lower limb lifting assemblies.
Description
Technical Field
The invention belongs to the technical field of infusion nursing, and particularly relates to a nursing infusion chair capable of adjusting the height of limbs of a patient.
Background
The current transfusion chair can only be used for sitting transfusion, and at most, the angle of the backrest can be adjusted in a small range, but in many surgical scenes, the function of the transfusion chair can be perfected: for example, patients who often have injuries to the legs and feet need to be infused.
If two legs of a patient are injured or severely injured and cannot go down, infusion is generally carried out on a sickbed in a hospitalization mode, but for a patient with one leg injured and not hospitalized, infusion is generally carried out on a chair in order to save medical resources; however, when the patient is in a long-term stationary state during transfusion, the legs of the patient need to be lifted, otherwise, the feet are easy to become congested.
Thus, the infusion chair needs to have lifting capability for the patient's leg (at least one leg).
Because the two legs of the patient are not suitable to have larger angle difference, if lifting mechanisms are respectively arranged at two sides, after the lifting of one leg exceeds a certain angle, the other leg needs to be lifted synchronously when the lifting is continued, at the moment, either two persons operate the two sides simultaneously or one person lifts the angles of the two sides alternately, and the operation is inconvenient and quick.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the nursing transfusion chair which is convenient to operate and can automatically lead one leg to be lifted in a linkage way when the other leg is lifted beyond a certain angle, thereby avoiding the two legs from having larger angle difference and being capable of adjusting the height of the limbs of a patient; in order to achieve the self-adaptive linkage effect based on the limit value of the angle difference, the invention creatively provides the linkage mechanism based on the angle difference, and through linkage of the linkage rope, a certain angle difference between the two groups of rotary support assemblies can be allowed, and the rotary support assemblies on the driven side can be carried to continue to rotate after the rotary support assemblies on the driving side rotate for a certain angle, so that linkage control on the other side is achieved by controlling any one side, and meanwhile, the legs of a patient can still be completely supported after the thighs leave the seat cushion part of the chair by limiting the included angle of the lower limb lifting assemblies.
The technical scheme adopted by the invention is as follows: the invention provides a nursing transfusion chair capable of adjusting the height of a patient limb, which comprises a linkage mechanism based on angle difference, a sliding locking type single-drive mechanism, a transfusion chair body and a lower limb lifting assembly, wherein the linkage mechanism based on the angle difference is symmetrically arranged at the bottom of the transfusion chair body, and one leg of the patient can be lifted up by a certain angle and then can be lifted up by the other leg through the linkage mechanism based on the angle difference, so that the two legs of the patient are prevented from having larger angle difference; the sliding locking type single-drive mechanism is arranged at the bottom of the infusion chair body, the driving and locking modes can be adjusted through the sliding locking type single-drive mechanism, and meanwhile, only one side of the rotating support assembly can be driven in a rotating mode, and at the moment, the other side of the rotating support assembly is in a free follow-up state; the sliding locking type single-drive mechanism is connected with the linkage mechanism based on the angle difference in a meshed mode, the lower limb lifting assembly is arranged on the infusion chair body, and the lower limb lifting assembly can lift the lower leg to the horizontal position and then lift the lower leg together.
Further, the linkage mechanism based on the angle difference comprises a flexible linkage assembly, a rotary support assembly and a lower limb support assembly, wherein the flexible linkage assembly is fixedly connected to the bottom of the infusion chair body, the rotary support assembly is symmetrically arranged at the bottom of the infusion chair body, and the lower limb support assembly is arranged on the rotary support assembly.
Preferably, the flexible linkage assembly comprises a sliding sleeve fixing frame, a U-shaped sliding sleeve, a linkage rope and a rotary lock cap, wherein the sliding sleeve fixing frame is fixedly connected to the infusion chair body, the U-shaped sliding sleeve is clamped in the sliding sleeve fixing frame, the U-shaped sliding sleeve is fixedly connected with the sliding sleeve fixing frame, a sliding sleeve wear-resistant lining is arranged on the inner wall of the U-shaped sliding sleeve, sliding sleeve arc-shaped edges are arranged at two ends of the U-shaped sliding sleeve, the linkage rope is slidably arranged in the U-shaped sliding sleeve, the wear-resistant capability of the U-shaped sliding sleeve can be improved through the sliding sleeve wear-resistant lining, the sliding resistance between the U-shaped sliding sleeve and the linkage rope is reduced, and linkage between two groups of rotary support assemblies can be realized through the connecting effect of the linkage rope; the rotary lock caps are fixedly connected to two ends of the linkage rope.
As a further preferred mode of the invention, the rotary support assembly comprises a rotary support seat, a U-shaped rotary frame, a driven gear, a manual pre-tightening stud and a rotary lock shaft, wherein the rotary support seat is symmetrically arranged on the infusion chair body, the U-shaped rotary frame is provided with a rotary frame hinge shaft, the rotary frame hinge shaft is rotationally arranged in the rotary support seat, the driven gear is clamped at the tail end of the rotary frame hinge shaft, the U-shaped rotary frame is also provided with a rotary frame hollow shaft, the rotary frame hollow shaft is provided with a hollow shaft internal thread, the manual pre-tightening stud is in threaded connection with the hollow shaft internal thread, and the release and locking of the lower limb support assembly can be controlled through the rotation of the manual pre-tightening stud, so that the angle of the lower limb support assembly is preset and adjusted; the rotary lock shaft is fixedly connected to the outer side of the U-shaped rotary frame, the rotary lock cap is rotationally arranged on the rotary lock shaft, and through the rotary connection of the rotary lock cap and the rotary lock shaft, the rotary support assembly can be prevented from winding in the rotary process, on one hand, the angle difference can be controlled more accurately, and on the other hand, the jolt phenomenon caused by suddenly unwinding of a wound linkage rope is avoided.
As a further preferable mode of the invention, the lower limb supporting component comprises a lower leg supporting plate and a foot supporting plate, wherein the lower leg supporting plate is fixedly connected to the inner side of the U-shaped rotating frame, a supporting plate sleeve is arranged on the foot supporting plate, the foot supporting plate is rotatably arranged on the rotating frame hollow shaft through the supporting plate sleeve, and the foot supporting plate is locked and fixed through a manual pre-tightening stud.
Further, the sliding locking type single-drive mechanism comprises a first sliding support frame, a second sliding support frame, a central sliding shaft and an oblique angle progressive gear, wherein the first sliding support frame is symmetrically arranged at the bottom of the infusion chair body, the first sliding support frame can support and guide the axial sliding of the central sliding shaft, the second sliding support frame is symmetrically arranged at the bottom of the infusion chair body, the second sliding support frame can limit the rotation of the central sliding shaft, and when the central sliding shaft is positioned at the right center, the boss locking part and the groove locking part are mutually clamped, so that the central sliding shaft cannot rotate; the sliding support frame is located at the inner side of the first sliding support frame, and a groove locking part is arranged on the second sliding support frame.
Preferably, the central sliding shaft is clamped and slidingly arranged in the first sliding support frame, a boss locking part matched with the groove locking part is arranged on the central sliding shaft, when the groove locking part is combined with the boss locking part, the central sliding shaft cannot rotate, driving handles are symmetrically arranged at two ends of the central sliding shaft, bevel angle progressive gears are symmetrically arranged on the central sliding shaft, the bevel angle progressive gears are fixedly connected with the central sliding shaft, gear bevel angle progressive parts are symmetrically arranged at two ends of the bevel angle progressive gears, the bevel angle progressive gears are in meshed connection with driven gears, the position requirements of the bevel angle progressive gears and the driven gears in combination can be reduced through guiding of the gear bevel angle progressive parts, and only one group of bevel angle progressive gears at two sides can be meshed with the corresponding driven gears, so that the technical effects of one-side driving and the other-side following are achieved.
Further, the infusion chair body comprises a chair body and a lifting hinge assembly, a chair cushion part and an adjustable backrest are arranged on the chair body, the sliding sleeve fixing frame, the rotary supporting seat, the first sliding supporting frame and the second sliding supporting frame are fixedly connected to the bottom surface of the chair cushion part, and the lifting hinge assembly is arranged on the chair cushion part.
Preferably, the lifting hinge assembly comprises a cushion center base plate, a lifting hinge seat and a lifting hinge shaft, wherein the cushion center base plate is arranged on the seat cushion part of the chair, the lifting hinge seat is arranged on the seat cushion part of the chair, and the lifting hinge shaft is clamped in the lifting hinge seat.
Further, low limbs lifting subassembly includes lifting joint one and lifting joint two, lifting joint one end is equipped with joint articulated portion, lifting joint one is rotationally located lifting articulated epaxially through joint articulated portion, lifting joint one's the other end is equipped with joint arc sliding sleeve, lifting joint two's one end is equipped with joint arc portion, joint arc portion block slides and locates in the joint arc sliding sleeve, lifting joint two's the other end rigid coupling is in the shank backup pad, and lifting joint one and lifting joint two's limit contained angle be the flat angle, and after rotatory horizontal state of crossing promptly when rotatory supporting component, joint arc portion slides in the joint arc sliding sleeve completely this moment, and lifting joint two will take lifting joint one around joint articulated portion rotatory lifting to carry out complete support to patient's whole shank.
Wherein, the linkage rope is flexible inelastic material.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) Through the linkage mechanism based on the angle difference, one leg of the patient can be lifted up to a certain angle and then can be lifted up with the other leg, so that the larger angle difference between the two legs of the patient is avoided;
(2) The driving and locking modes can be adjusted through the sliding locking type single-drive mechanism, and meanwhile, only one side of the rotary support assembly can be driven in a rotary mode, and the other side of the rotary support assembly is in a free follow-up state;
(3) The lower limb lifting assembly can lift the lower leg to the horizontal and then lift the lower leg together with the thigh;
(4) The wear-resistant capability of the U-shaped sliding sleeve can be improved through the wear-resistant lining of the sliding sleeve, the sliding resistance between the U-shaped sliding sleeve and the linkage rope is reduced, and the linkage between the two groups of rotary support assemblies can be realized through the connection effect of the linkage rope;
(5) The release and locking of the lower limb supporting assembly can be controlled through the rotation of the manual pre-tightening stud, so that the angle of the lower limb supporting assembly is preset and adjusted;
(6) Through the rotary connection of the rotary lock cap and the rotary lock shaft, the rotary support assembly can be prevented from winding in the rotary process, on one hand, the angle difference can be controlled more accurately, and on the other hand, the jolt phenomenon caused by suddenly unwinding a wound linkage rope is avoided;
(7) The first sliding support frame can support and guide the axial sliding of the central sliding shaft;
(8) The second sliding support frame can limit the rotation of the central sliding shaft, and when the central sliding shaft is positioned at the right center, the boss locking part and the groove locking part are mutually clamped, so that the central sliding shaft cannot rotate;
(9) The bevel progressive gears on two sides can be meshed with the corresponding driven gears, so that the technical effects of one-side driving and the other-side follow-up are realized;
(10) The limit contained angle of lifting joint one and lifting joint two is the flat angle, promptly when rotatory back of crossing the horizontality of rotation support assembly, and joint arc portion slides in the joint arc sliding sleeve completely this moment, and lifting joint two will take lifting joint one around the rotatory lifting of articulated portion to carry out complete support to patient's whole shank.
Drawings
FIG. 1 is a perspective view of a nursing infusion chair with adjustable height of a patient's limb according to the present invention;
FIG. 2 is a front view of the nursing infusion chair with adjustable height of the patient's limb according to the present invention;
FIG. 3 is a left side view of the nursing infusion chair of the present invention with the height of the patient's limb adjustable;
FIG. 4 is a top view of a nursing infusion chair with adjustable height of a patient's limb according to the present invention;
FIG. 5 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 6 is a cross-sectional view taken along section line B-B in FIG. 5;
FIG. 7 is a schematic view of a mechanism of the nursing infusion chair according to the present invention, which is based on an angle difference, and can adjust the height of a patient's limb;
FIG. 8 is a schematic view of a sliding locking type single drive mechanism of a nursing infusion chair with adjustable height of a patient's limb according to the present invention;
FIG. 9 is a schematic view of the structure of the infusion chair body of the nursing infusion chair capable of adjusting the height of the limbs of the patient according to the invention;
FIG. 10 is a schematic view of a lower limb lifting assembly of a nursing infusion chair with adjustable height of a patient limb according to the present invention;
FIG. 11 is an enlarged view of a portion of the portion I of FIG. 5;
FIG. 12 is an enlarged view of a portion of the portion II of FIG. 6;
fig. 13 is an enlarged view of a portion at iii in fig. 1.
Wherein, 1, a linkage mechanism based on angle difference, 2, a sliding locking type single-drive mechanism, 3, an infusion chair body, 4, a lower limb lifting component, 5, a flexible linkage component, 6, a rotary support component, 7, a lower limb support component, 8, a sliding sleeve fixing frame, 9, a U-shaped sliding sleeve, 10, a linkage rope, 11, a rotary lock cap, 12, a rotary support seat, 13, a U-shaped rotary frame, 14, a driven gear, 15, a manual pre-tightening stud, 16, a rotary lock shaft, 17, a lower leg support plate, 18, a foot support plate, 19, a sliding sleeve wear-resistant lining, 20, a sliding sleeve arc edge, 21, a rotary frame hinge shaft, 22 and a rotary frame hollow shaft, 23, hollow shaft internal threads, 24, a supporting plate sleeve, 25, a first sliding support frame, 26, a second sliding support frame, 27, a central sliding shaft, 28, an oblique angle progressive gear, 29, a groove locking part, 30, a boss locking part, 31, a driving handle, 32, a gear oblique angle progressive part, 33, a chair body, 34, a lifting hinge assembly, 35, a chair cushion part, 36, an adjustable backrest, 37, a cushion central pad, 38, a lifting hinge seat, 39, a lifting hinge shaft, 40, a lifting joint first, 41, a lifting joint second, 42, a joint hinge part, 43, a joint arc sliding sleeve, 44 and a joint arc part.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-13, the invention provides a nursing infusion chair capable of adjusting the height of a patient limb, which comprises a linkage mechanism 1 based on angle difference, a sliding locking type single-drive mechanism 2, an infusion chair body 3 and a lower limb lifting assembly 4, wherein the linkage mechanism 1 based on the angle difference is symmetrically arranged at the bottom of the infusion chair body 3, and one leg of the patient can be lifted by a certain angle through the linkage mechanism 1 based on the angle difference and then can be lifted by the other leg, so that the larger angle difference between the two legs of the patient is avoided; the sliding locking type single-drive mechanism 2 is arranged at the bottom of the infusion chair body 3, the driving and locking modes can be adjusted through the sliding locking type single-drive mechanism 2, and meanwhile, only one side of the rotary support assembly 6 can be rotationally driven, and at the moment, the other side of the rotary support assembly 6 is in a free follow-up state; the sliding locking type single-drive mechanism 2 is connected with the linkage mechanism 1 based on the angle difference in a meshed mode, the lower limb lifting assembly 4 is arranged on the infusion chair body 3, and the lower limb lifting assembly 4 can lift the lower leg to the horizontal position and then lift the lower leg together.
The infusion chair body 3 comprises a chair body 33 and a lifting hinge assembly 34, wherein a chair cushion part 35 and an adjustable backrest 36 are arranged on the chair body 33, and the sliding sleeve fixing frame 8, the rotary supporting seat 12, the first sliding supporting frame 25 and the second sliding supporting frame 26 are fixedly connected to the bottom surface of the chair cushion part 35, and the lifting hinge assembly 34 is arranged on the chair cushion part 35.
The lifting hinge assembly 34 comprises a cushion center base plate 37, a lifting hinge seat 38 and a lifting hinge shaft 39, wherein the cushion center base plate 37 is arranged on the chair cushion part 35, the lifting hinge seat 38 is arranged on the chair cushion part 35, and the lifting hinge shaft 39 is clamped in the lifting hinge seat 38.
The linkage mechanism 1 based on the angle difference comprises a flexible linkage assembly 5, a rotary support assembly 6 and a lower limb support assembly 7, wherein the flexible linkage assembly 5 is fixedly connected to the bottom of the infusion chair body 3, the rotary support assembly 6 is symmetrically arranged at the bottom of the infusion chair body 3, and the lower limb support assembly 7 is arranged on the rotary support assembly 6.
The flexible linkage assembly 5 comprises a sliding sleeve fixing frame 8, a U-shaped sliding sleeve 9, a linkage rope 10 and a rotary lock cap 11, wherein the sliding sleeve fixing frame 8 is fixedly connected to the infusion chair body 3, the U-shaped sliding sleeve 9 is clamped in the sliding sleeve fixing frame 8, the U-shaped sliding sleeve 9 is fixedly connected with the sliding sleeve fixing frame 8, a sliding sleeve wear-resistant lining 19 is arranged on the inner wall of the U-shaped sliding sleeve 9, sliding sleeve arc edges 20 are arranged at two ends of the U-shaped sliding sleeve 9, the linkage rope 10 is slidably arranged in the U-shaped sliding sleeve 9, the wear-resistant capability of the U-shaped sliding sleeve 9 can be improved through the sliding sleeve wear-resistant lining 19, the sliding resistance between the U-shaped sliding sleeve 9 and the linkage rope 10 is reduced, and the linkage between two groups of rotary support assemblies 6 can be realized through the connecting effect of the linkage rope 10; the rotary lock caps 11 are fixedly connected to two ends of the linkage rope 10.
The rotary support assembly 6 comprises a rotary support seat 12, a U-shaped rotary frame 13, a driven gear 14, a manual pre-tightening stud 15 and a rotary lock shaft 16, wherein the rotary support seat 12 is symmetrically arranged on the infusion chair body 3, the U-shaped rotary frame 13 is provided with a rotary frame hinge shaft 21, the rotary frame hinge shaft 21 is rotatably arranged in the rotary support seat 12, the height of the rotary frame hinge shaft 21 is higher than that of the U-shaped sliding sleeve 9, and the rotary support assembly 6 on the driven side can be guaranteed to be rotated and lifted together with the rotary support assembly 6 on the driven side when the rotary support assembly 6 on the driving side is lifted to a nearly horizontal angle, the linkage rope 10 is tensioned to be in a state of being loosened and then tensioned, and the rotary support assembly 6 on the driven side can be rotated and lifted together when the driving handle 31 is rotated again; the driven gear 14 is clamped at the tail end of the rotating frame hinge shaft 21, the U-shaped rotating frame 13 is also provided with a rotating frame hollow shaft 22, the rotating frame hollow shaft 22 is provided with a hollow shaft internal thread 23, the manual pre-tightening stud 15 is in threaded connection with the hollow shaft internal thread 23, and the release and locking of the lower limb supporting component 7 can be controlled through the rotation of the manual pre-tightening stud 15, so that the angle of the lower limb supporting component 7 is preset and adjusted; the rotary lock shaft 16 is fixedly connected to the outer side of the U-shaped rotary frame 13, the rotary lock cap 11 is rotatably arranged on the rotary lock shaft 16, and the rotary support assembly 6 can be prevented from winding in the rotary process through the rotary connection of the rotary lock cap 11 and the rotary lock shaft 16, so that on one hand, the angle difference can be controlled more accurately, and on the other hand, the jolt phenomenon caused by suddenly unwinding the wound linkage rope 10 is avoided.
The lower limb supporting assembly 7 comprises a lower leg supporting plate 17 and a foot supporting plate 18, wherein the lower leg supporting plate 17 is fixedly connected to the inner side of the U-shaped rotating frame 13, a supporting plate sleeve 24 is arranged on the foot supporting plate 18, the foot supporting plate 18 is rotatably arranged on the rotating frame hollow shaft 22 through the supporting plate sleeve 24, and the foot supporting plate 18 is locked and fixed through a manual pre-tightening stud 15.
The sliding locking type single-drive mechanism 2 comprises a first sliding support frame 25, a second sliding support frame 26, a central sliding shaft 27 and an oblique angle progressive gear 28, wherein the first sliding support frame 25 is symmetrically arranged at the bottom of the infusion chair body 3, the first sliding support frame 25 can support and guide the axial sliding of the central sliding shaft 27, the second sliding support frame 26 is symmetrically arranged at the bottom of the infusion chair body 3, the second sliding support frame 26 can limit the rotation of the central sliding shaft 27, and when the central sliding shaft 27 is positioned at the right center, the boss locking part 30 and the groove locking part 29 are mutually clamped, so that the central sliding shaft 27 cannot rotate; the second sliding support frame 26 is located at the inner side of the first sliding support frame 25, and a groove locking part 29 is arranged on the second sliding support frame 26.
The center sliding shaft 27 is clamped and slidingly arranged in the first sliding support frame 25, a boss locking part 30 matched with the groove locking part 29 is arranged on the center sliding shaft 27, when the groove locking part 29 is combined with the boss locking part 30, the center sliding shaft 27 cannot rotate, driving handles 31 are symmetrically arranged at two ends of the center sliding shaft 27, bevel angle progressive gears 28 are symmetrically arranged on the center sliding shaft 27, the bevel angle progressive gears 28 are fixedly connected with the center sliding shaft 27, gear bevel angle progressive parts 32 are symmetrically arranged at two ends of the bevel angle progressive gears 28, the bevel angle progressive gears 28 are in meshed connection with the driven gears 14, the position requirements of the bevel angle progressive gears 28 and the driven gears 14 in combination can be reduced through the guiding of the gear bevel angle progressive parts 32, and only one group of bevel angle progressive gears 28 at two sides can be meshed with the corresponding driven gears 14, so that the technical effects of one-side driving and the other-side following are realized.
The lower limb lifting assembly 4 comprises a first lifting joint 40 and a second lifting joint 41, one end of the first lifting joint 40 is provided with a joint hinge part 42, the first lifting joint 40 is rotationally arranged on a lifting hinge shaft 39 through the joint hinge part 42, the other end of the first lifting joint 40 is provided with a joint arc sliding sleeve 43, one end of the second lifting joint 41 is provided with a joint arc part 44, the joint arc part 44 is clamped and slidingly arranged in the joint arc sliding sleeve 43, the other end of the second lifting joint 41 is fixedly connected to the lower leg supporting plate 17, the limiting included angle between the first lifting joint 40 and the second lifting joint 41 is a flat angle, namely, after the rotary supporting assembly 6 rotates beyond a horizontal state, the joint arc part 44 completely slides into the joint arc sliding sleeve 43 at the moment, and the second lifting joint 41 can rotate and lift around the joint hinge part 42, so that the whole leg of a patient can be completely supported.
The link rope 10 is made of flexible and inelastic material.
When the chair is particularly used, a user sits on the chair cushion part 35, sitting postures can be changed by adjusting the angle of the adjustable backrest 36, at the moment, feet of the patient step on the foot support plates 18, and the lower legs are naturally arranged at the U-shaped rotating frame 13;
when one leg of a patient needs to be lifted, the adjustable backrest 36 is firstly adjusted to a proper angle, then the central sliding shaft 27 is pushed to enable the central sliding shaft 27 to axially slide to the direction of the leg needing to be lifted, the bevel angle progressive gear 28 and the driven gear 14 in the direction are meshed, the bevel angle progressive gear 28 and the driven gear 14 can be easily meshed under the guiding action of the gear bevel angle progressive portion 32 due to the bevel angle existing at the edge of the gear bevel angle progressive portion 32, the bevel angle progressive gear 28 and the driven gear 14 in the opposite direction are separated at the moment, and the groove locking portion 29 and the boss locking portion 30 are separated;
then the central sliding shaft 27 is driven to rotate by rotating the driving handle 31, the driven gear 14 meshed with the bevel progressive gear 28 is driven to rotate together when the central sliding shaft 27 rotates, and the speed reduction and torque increase effects are realized by the gear ratio of the bevel progressive gear 28 and the driven gear 14, so that the U-shaped rotating frame 13 rotates in the rotating support seat 12;
at the initial stage of the upward lifting of the U-shaped rotating frame 13, the linkage rope 10 is in a loose state, and the rotating support assembly 6 at the driven side still sags at the lowest position;
when the rotary lock cap 11 on the driving side passes over the height of the U-shaped sliding sleeve 9, the linkage rope 10 is converted from the loose state to the tensioning state, and the rotary support assembly 6 on the driven side still sags at the lowest position;
when the rotary support assembly 6 at the driving side approaches to the horizontal, the linkage rope 10 returns to the tensioning state again, and the rotary support assembly 6 at the driven side can be rotated and lifted together when the rotary drive handle 31 is continuously rotated, so that the excessive difference of the angles of the two legs is avoided;
when the rotary support assembly 6 on the driving side rotates to a horizontal state, the joint arc-shaped part 44 of the lifting joint II 41 on the driving side is completely retracted into the joint arc-shaped sliding sleeve 43, and when the driving handle 31 is continuously rotated, the lifting joint I40 and the lifting joint II 41 are in a straight line and rotate along the lifting hinge shaft 39 under the lifting action of the rotary support assembly 6; the lifting joint II 41 is only fixedly connected with the tail end of the lower leg supporting plate 17, so that the lower limb lifting assembly 4 is of a straddle type structure with two ends supported, and the self elasticity of the lower limb lifting assembly 4 can allow the lifting joint II 41 to bend to a small extent on one hand and can completely support the whole leg of a patient on the other hand.
The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (5)
1. Nursing of adjustable patient limb height is with infusion chair, its characterized in that: the infusion chair comprises an angle difference-based linkage mechanism (1), a sliding locking type single-drive mechanism (2), an infusion chair body (3) and a lower limb lifting assembly (4), wherein the angle difference-based linkage mechanism (1) is symmetrically arranged at the bottom of the infusion chair body (3), the sliding locking type single-drive mechanism (2) is in meshed connection with the angle difference-based linkage mechanism (1), and the lower limb lifting assembly (4) is arranged on the infusion chair body (3); the linkage mechanism (1) based on the angle difference comprises a flexible linkage assembly (5), a rotary support assembly (6) and a lower limb support assembly (7), wherein the flexible linkage assembly (5) is fixedly connected to the bottom of the infusion chair body (3), the rotary support assembly (6) is symmetrically arranged at the bottom of the infusion chair body (3), and the lower limb support assembly (7) is arranged on the rotary support assembly (6);
the flexible linkage assembly (5) comprises a sliding sleeve fixing frame (8), a U-shaped sliding sleeve (9), a linkage rope (10) and a rotary lock cap (11), wherein the sliding sleeve fixing frame (8) is fixedly connected to the infusion chair body (3), the U-shaped sliding sleeve (9) is clamped in the sliding sleeve fixing frame (8), the U-shaped sliding sleeve (9) is fixedly connected with the sliding sleeve fixing frame (8), a sliding sleeve wear-resistant lining (19) is arranged on the inner wall of the U-shaped sliding sleeve (9), sliding sleeve arc-shaped edges (20) are arranged at two ends of the U-shaped sliding sleeve (9), the linkage rope (10) is slidably arranged in the U-shaped sliding sleeve (9), and the rotary lock cap (11) is fixedly connected to two ends of the linkage rope (10);
the rotary support assembly (6) comprises a rotary support seat (12), a U-shaped rotary frame (13), a driven gear (14), a manual pre-tightening stud (15) and a rotary lock shaft (16), wherein the rotary support seat (12) is symmetrically arranged on the infusion chair body (3), a rotary frame hinge shaft (21) is arranged on the U-shaped rotary frame (13), the rotary frame hinge shaft (21) is rotationally arranged in the rotary support seat (12), the driven gear (14) is clamped at the tail end of the rotary frame hinge shaft (21), a rotary frame hollow shaft (22) is further arranged on the U-shaped rotary frame (13), a hollow shaft internal thread (23) is arranged on the rotary frame (22), the manual pre-tightening stud (15) is in threaded connection with the hollow shaft internal thread (23), the rotary lock shaft (16) is fixedly connected to the outer side of the U-shaped rotary frame (13), and the rotary lock cap (11) is rotationally arranged on the rotary lock shaft (16);
the lower limb support assembly (7) comprises a lower limb support plate (17) and a foot support plate (18), wherein the lower limb support plate (17) is fixedly connected to the inner side of a U-shaped rotating frame (13), a support plate sleeve (24) is arranged on the foot support plate (18), the foot support plate (18) is rotationally arranged on a rotating frame hollow shaft (22) through the support plate sleeve (24), and the foot support plate (18) is locked and fixed through a manual pre-tightening stud (15);
the sliding locking type single-drive mechanism (2) comprises a first sliding support frame (25), a second sliding support frame (26), a central sliding shaft (27) and an oblique angle progressive gear (28), wherein the first sliding support frame (25) is symmetrically arranged at the bottom of the infusion chair body (3), the second sliding support frame (26) is positioned at the inner side of the first sliding support frame (25), and a groove locking part (29) is arranged on the second sliding support frame (26);
the center sliding shaft (27) is clamped and slides to be arranged in the sliding support frame I (25), boss locking parts (30) matched with groove locking parts (29) are arranged on the center sliding shaft (27), when the groove locking parts (29) are combined with the boss locking parts (30), the center sliding shaft (27) cannot rotate, driving handles (31) are symmetrically arranged at two ends of the center sliding shaft (27), bevel angle progressive gears (28) are symmetrically arranged on the center sliding shaft (27), bevel angle progressive gears (28) are fixedly connected with the center sliding shaft (27), gear bevel angle progressive parts (32) are symmetrically arranged at two ends of the bevel angle progressive gears (28) and are in meshed connection with driven gears (14), bevel angles are arranged at the edges of the gear bevel angle progressive parts (32), and the position requirements when the bevel angle progressive gears (28) are combined with the driven gears (14) can be reduced through guiding of the gear bevel angle progressive parts (32).
2. The nursing infusion chair capable of adjusting the height of a patient's limb according to claim 1, wherein: the infusion chair body (3) comprises a chair body (33) and a lifting hinge assembly (34), a chair cushion part (35) and an adjustable backrest (36) are arranged on the chair body (33), and the sliding sleeve fixing frame (8), the rotary supporting seat (12), the sliding support frame I (25) and the sliding support frame II (26) are fixedly connected to the bottom surface of the chair cushion part (35), and the lifting hinge assembly (34) is arranged on the chair cushion part (35).
3. The nursing infusion chair capable of adjusting the height of a patient's limb according to claim 2, wherein: the lifting hinge assembly (34) comprises a cushion center base plate (37), a lifting hinge seat (38) and a lifting hinge shaft (39), the cushion center base plate (37) is arranged on the chair cushion portion (35), the lifting hinge seat (38) is arranged on the chair cushion portion (35), and the lifting hinge shaft (39) is clamped in the lifting hinge seat (38).
4. A nursing infusion chair capable of adjusting the height of a patient's limb according to claim 3, wherein: the lower limb lifting assembly (4) comprises a first lifting joint (40) and a second lifting joint (41), one end of the first lifting joint (40) is provided with a joint hinge portion (42), the first lifting joint (40) is rotationally arranged on a lifting hinge shaft (39) through the joint hinge portion (42), the other end of the first lifting joint (40) is provided with a joint arc sliding sleeve (43), one end of the second lifting joint (41) is provided with a joint arc portion (44), the joint arc portion (44) is clamped and slidingly arranged in the joint arc sliding sleeve (43), and the other end of the second lifting joint (41) is fixedly connected to a lower leg supporting plate (17).
5. The infusion chair for nursing capable of adjusting the height of a patient's limb according to claim 4, wherein: the linkage rope (10) is made of flexible and inelastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211660778.6A CN115634103B (en) | 2022-12-23 | 2022-12-23 | Nursing transfusion chair capable of adjusting height of limbs of patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211660778.6A CN115634103B (en) | 2022-12-23 | 2022-12-23 | Nursing transfusion chair capable of adjusting height of limbs of patient |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115634103A CN115634103A (en) | 2023-01-24 |
| CN115634103B true CN115634103B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211660778.6A Active CN115634103B (en) | 2022-12-23 | 2022-12-23 | Nursing transfusion chair capable of adjusting height of limbs of patient |
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| Country | Link |
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| CN (1) | CN115634103B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2484333A1 (en) * | 2003-10-08 | 2005-04-08 | Pride Mobility Products Corporation | Anti-tip system for wheelchairs |
| JP5204688B2 (en) * | 2009-02-19 | 2013-06-05 | 株式会社松永製作所 | Automatic wheelchair locking mechanism |
| CN103784268A (en) * | 2012-10-29 | 2014-05-14 | 桂裕青 | Wheelchair with hand-operated locking devices |
| CN104586585B (en) * | 2015-02-09 | 2018-01-16 | 浙江宏健康复科技发展有限公司 | A kind of multifunctional wheelchair |
| CN107280303B (en) * | 2017-06-28 | 2019-11-08 | 宁波工程学院 | A kind of auxiliary lift chair with lifting device |
| CN108969308A (en) * | 2018-05-16 | 2018-12-11 | 河南应用技术职业学院 | A kind of lower limb rehabilitation robot |
| CN109549805A (en) * | 2019-01-21 | 2019-04-02 | 赣州英博机器人科技有限公司 | A kind of multifunction nursing healing robot and its application method |
| CN211382258U (en) * | 2019-10-23 | 2020-09-01 | 南京工程学院 | Carry on multi-mode intelligence wheelchair lifting mechanism of flexible ectoskeleton clothes |
| CN215274991U (en) * | 2021-02-01 | 2021-12-24 | 绍兴市柯桥区中医医院医共体夏履分院 | Multifunctional transfusion chair |
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| CN115634103A (en) | 2023-01-24 |
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