CN109925129B - Transport means suitable for patient - Google Patents
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- CN109925129B CN109925129B CN201910233532.2A CN201910233532A CN109925129B CN 109925129 B CN109925129 B CN 109925129B CN 201910233532 A CN201910233532 A CN 201910233532A CN 109925129 B CN109925129 B CN 109925129B
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Abstract
The invention discloses a transportation tool suitable for patients, which comprises two transverse rods arranged in parallel relatively and a plurality of vertical rods arranged between the two transverse rods, wherein the vertical rods are all arranged vertically to the transverse rods; the plurality of vertical rods comprise two driving rods, two driven rods and two positioning rods, and a positioning rod, a driven rod, a driving rod, another driven rod and another positioning rod are sequentially arranged along the axis direction of the cross rod; two axial ends of the driving rods are connected with the cross rod through screw rod transmission mechanisms, and the screw rod transmission mechanisms drive the two driving rods to move reversely along the cross rod; the two axial ends of the driven rods are connected with the cross rod in a sliding mode through the sliding parts, and the driving rods push the driven rods on the corresponding sides to move towards the end portions of the cross rod. The invention is beneficial to relieving the potential danger of secondary injury caused by transportation and relieving the pain of patients caused by the transportation process.
Description
Technical Field
The invention relates to a medical stretcher, in particular to a transportation tool suitable for patients.
Background
The stretcher is a necessary product in ambulances and hospitals at present, is the most common tool for medical aid, and needs to transfer patients from the sick place and among departments in the hospitals during the normal medical care and emergency diagnosis work of the hospitals, the operations are usually completed by a stretcher, particularly, the patients are transported and handed over to and from sickbeds and stretchers, the stretchers and the operation tables, the stretchers and the examination tables of all departments, the stretchers and the ambulances, and the like, the body of the patients needs to be transported for position conversion, the work of converting the position of the patients during the transportation of the patients is always completed by manpower at present, the basic operation method is that a plurality of medical staff or patient families or even hired laborers directly hold the limbs of the patient and complete the hand-over operation through actions of lifting, carrying, putting down and the like in sequence, thus causing secondary injury to the patient.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the stretcher needs to be manually moved by a plurality of people in the process of handing over the patient by the stretcher, and is easy to cause secondary injury to the patient.
The invention is realized by the following technical scheme:
a transport tool suitable for patients comprises two transverse rods arranged in parallel relatively and a plurality of vertical rods arranged between the two transverse rods, wherein the vertical rods are all arranged perpendicular to the transverse rods; the plurality of vertical rods comprise two driving rods, two driven rods and two positioning rods, and a positioning rod, a driven rod, a driving rod, another driven rod and another positioning rod are sequentially arranged along the axis direction of the cross rod; two axial ends of the driving rods are connected with the cross rod through screw rod transmission mechanisms, and the screw rod transmission mechanisms drive the two driving rods to move reversely along the cross rod; the two axial ends of the driven rods are connected with the cross rod in a sliding mode through the sliding parts, and the driving rods push the driven rods on the corresponding sides to move towards the end portions of the cross rod.
The invention takes two cross rods as a fixed structure, and the two cross rods are arranged in parallel, namely the axial directions of the two cross rods are parallel to each other; a plurality of vertical rods arranged between two transverse rods are used as bearing surfaces, two driving rods are arranged in the axial middle parts of the two transverse rods, and then driven rods and positioning rods are sequentially arranged on two sides of the two driving rods in the direction away from the driving rods; the stretcher is characterized in that a patient is conveyed and placed on the stretcher, the stretcher is directly placed on a base station such as a sickbed or an operating table after the patient is conveyed to a destination, then the screw rod transmission mechanism is started, the screw rod transmission mechanism drives the two driving rods to oppositely move along the axial direction of the cross rod, the driving rods are firstly contacted with the driven rods or the sliding parts in the process of moving to the axial end parts of the cross rod, then the driven rods are pushed to move to the corresponding sides until the driven rods are contacted with the positioning rods to stop moving, in the process, the gap between the two driving rods can be gradually increased, and the patient is directly placed on the base station such as the sickbed or the operating table from the gap between the two driving rods under the self gravity, so that the stretcher is beneficial to slowly reducing the potential risk of secondary injury caused by conveying and reducing the pain feeling of the patient caused in. In order to reduce the overall weight of the transport tool, the cross rods and the vertical rods can adopt hollow tubular structures; in addition, the number of driven rods is not limited to two, and even number of driven rods larger than 2 can be arranged according to the actual material structure of the driven rods and the width of the transportation tool and are uniformly distributed between the driving rods and the positioning rods.
Furthermore, the cross rod is of a hollow tube structure, a sliding groove is formed in the side wall of the cross rod and is communicated with the interior of the hollow tube, and the sliding groove is parallel to the axial direction of the cross rod along the extending direction of the cross rod; the screw rod transmission mechanism comprises a screw rod, a nut pair, a limiting plug, a bearing and a motor; the screw rod is arranged in a hollow pipe of the cross rod, connecting pieces are arranged on the side walls of the two nut pairs in threaded transmission connection on the screw rod, the two connecting pieces penetrate through the sliding groove respectively and are used for being connected with the end part of the driving rod, and the rotating directions of the two nut pairs are opposite; can dismantle at the uncovered department in the axial both ends of horizontal pole and set up spacing stopper, the axial one end of lead screw is passed through the bearing and is connected with the rotation of one of them spacing stopper, and the axial other end of lead screw runs through behind the through-hole on the spacing stopper and is connected with the output of motor, and the lead screw with the through-hole inner wall passes through the bearing and rotates and be connected.
The invention adopts the existing conventional screw rod transmission mechanism to drive the driving rod to move along the cross rod, thereby being beneficial to ensuring that the driving rod and each driven rod move smoothly while realizing automatic operation. The hollow structure of the cross rod is used for accommodating a screw rod and a nut pair, the axial direction of the screw rod can be perpendicular to the axial direction of the cross rod, and the limiting plugs can be embedded into the open ends of the two sides of the cross rod in a threaded connection mode and used for fixing the two axial ends of the screw rod; the side walls of the two nut pairs are provided with connecting pieces, one end of each connecting piece moves along the circumferential direction of the nut pair, and the other end of each connecting piece extends out of the sliding groove and then is fixedly connected with the end part of the driving rod, so that the rotary motion of the lead screw is converted into the linear motion of the nut pairs, the connecting pieces and the driving rod.
Furthermore, the sliding part comprises a closed ring main body, the closed ring main body is sleeved on the cross rod, and the outer wall of the closed ring main body is fixedly connected with the corresponding driven rod and the corresponding positioning rod; the axial two ends of the cross rod are covered with limit caps, and the inner walls of the limit caps are in threaded connection with the outer walls of the cross rod; the outer diameter of the limit cap is larger than the inner diameter of the closed ring main body.
The sliding part adopts an annular structure, so that the fixing effect on the driven rod is realized, the connection stability of the sliding part and the transverse rod is favorably improved, and the stable operation of the driven rod along the transverse rod is guaranteed.
Furthermore, the outer wall of the cross rod is also convexly provided with two guide rails which are symmetrically distributed, and the axial extension direction of each guide rail is parallel to the axial direction of the cross rod; and a guide groove matched with the guide rail is arranged on the inner wall of the closed ring main body.
Through set up the guided way on the horizontal pole outer wall to set up the guide way with the guided way adaptation on closed ring main part inner wall, on the one hand plays the guide effect to the removal of driven lever, and on the other hand prevents that the relative horizontal pole circumferential direction of closed ring main part from moving, influences the linear motion of driven lever.
Further, the inner wall of the closed ring main body is in clearance fit with the outer wall of the cross rod, and the outer wall of the guide rail is in interference fit contact with the inner wall of the guide groove.
In the linear motion process of the driven rod, because the inner wall of the closed ring main body is in clearance fit with the outer wall of the cross rod, the friction resistance between the inner wall of the closed ring main body and the outer wall of the cross rod can be reduced, the relative motion between the closed ring main body and the cross rod is mainly completed through the guide rails and the guide grooves, and the clamping of the shell can be effectively prevented.
Furthermore, a clamping groove matched with the driving rod is arranged on one end face of the closed ring main body, and an inner concave face of the clamping groove is an arc-shaped concave face matched with the circumferential outer wall of the driving rod.
Through set up the draw-in groove on a terminal surface of closed ring main part, at the in-process that the initiative pole removed to be close to the driven lever, the outer wall that the initiative pole is close to the tip can be partly imbed in the draw-in groove, has increased the area of contact of initiative pole with closed ring main part, ensures that the initiative pole drives the driven lever steady movement.
Furthermore, a positioning plane is arranged on one side wall of the closed ring main body facing the ground, the positioning plane is of an integrated structure of the axial section of the closed ring main body, and an elastic cushion pad is fixed on the positioning plane.
The positioning plane is arranged on one side wall of the closed ring main body facing the ground, so that the line contact between the outer wall of the closed ring main body and the base station is changed into surface contact, and the placing stability of the stretcher on the base station is improved; and set up elastic buffer pad on the locating plane, place the stretcher in the in-process on the base station at the transport personnel, play the cushioning effect, prevent that the oscillation from causing uncomfortable sense to patient.
Furthermore, the outer wall of the driving rod is further sleeved with at least two buffer ring sleeves, the buffer ring sleeves are evenly distributed along the axial direction of the driving rod, and the inner wall of each buffer ring sleeve is rotatably connected with the outer wall of the driving rod.
In order to increase the comfort of the patient, the driving rod is sleeved with a buffer ring sleeve, and the buffer ring sleeve can be made into a cylindrical structure by adopting other elastic materials such as a conventional mattress and the like and is sleeved on the driving rod; a plurality of buffer ring sleeves are sleeved on each driving rod along the axial direction, an independent buffer ring sleeve can be correspondingly arranged at the head, the shoulder, the waist, the hip, the leg, the foot and the like of a human body, and the thickness of each buffer ring sleeve can be set to be different according to actual requirements; therefore, when the patient slides downwards to the base station from the gap between the two driving rods under the action of self gravity, each buffer ring sleeve rotates under the friction action with the back and other parts of the patient so as to reduce the sliding resistance of the patient.
Furthermore, the positioning rod is of a hollow circular tube structure, a notch is formed in the side wall of the hollow circular tube structure and faces the driven rod, the notch is communicated with the inside of the hollow tube structure, the axial extension direction of the notch is parallel to the axial direction of the positioning rod, and the axial length of the notch is equal to that of the positioning rod; the width of the notch is larger than or equal to the outer diameter of the driven rod, and the driven rod is accommodated into the hollow structure of the positioning rod through the notch in the process of moving to the end part of the cross rod; the axial both ends of locating lever are equipped with the connecting rod, and the locating lever passes through the connecting rod to be connected with the slider.
The positioning rod is arranged to be of a round tube structure with a notch so as to accommodate the driven rod, reduce the space occupied by the driven rod and increase the gap between the two driving rods; when setting up many driven levers between driving lever and the locating lever, from the locating lever to the direction of driving lever, the external diameter of driven lever reduces gradually, is the pipe with the notch structure similar with the locating lever with each driven lever setting to make the locating lever hold nearest driven lever, this driven lever goes to hold adjacent driven lever again, can reduce the occupation space of each driven lever.
Furthermore, the outer wall of the positioning rod and the outer wall of the driven rod are respectively coated with a buffer ring sleeve. Is beneficial to increasing the comfort of the patient.
The invention has the following advantages and beneficial effects:
the invention takes two cross rods as a fixed structure, and the two cross rods are arranged in parallel, namely the axial directions of the two cross rods are parallel to each other; a plurality of vertical rods arranged between two transverse rods are used as bearing surfaces, two driving rods are arranged in the axial middle parts of the two transverse rods, and then driven rods and positioning rods are sequentially arranged on two sides of the two driving rods in the direction away from the driving rods; the stretcher is characterized in that a patient is conveyed and placed on the stretcher, the stretcher is directly placed on a base station such as a sickbed or an operating table after the patient is conveyed to a destination, then the screw rod transmission mechanism is started, the screw rod transmission mechanism drives the two driving rods to oppositely move along the axial direction of the cross rod, the driving rods are firstly contacted with the driven rods or the sliding parts in the process of moving to the axial end parts of the cross rod, then the driven rods are pushed to move to the corresponding sides until the driven rods are contacted with the positioning rods to stop moving, in the process, the gap between the two driving rods can be gradually increased, and the patient is directly placed on the base station such as the sickbed or the operating table from the gap between the two driving rods under the self gravity, so that the stretcher is beneficial to slowly reducing the potential risk of secondary injury caused by conveying and reducing the pain feeling of the patient caused in. In order to reduce the overall weight of the transport tool, the cross rods and the vertical rods can adopt hollow tubular structures; in addition, the number of driven rods is not limited to two, and even number of driven rods larger than 2 can be arranged according to the actual material structure of the driven rods and the width of the transportation tool and are uniformly distributed between the driving rods and the positioning rods.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the axial cross-section of the connection between the screw driving mechanism and the cross bar of the present invention;
FIG. 3 is a schematic view of a portion of the slider and cross bar assembly of the present invention;
FIG. 4 is a perspective view of the driving rod of the present invention;
FIG. 5 is an exploded view of the present invention showing the alignment rod and follower rod mated;
FIG. 6 is a radial cross-sectional view of the positioning rod and the driven rod of the present invention.
Reference numbers and corresponding part names in the drawings: 1-transverse rod, 11-sliding groove, 12-limiting cap, 13-guide rail, 2-vertical rod, 21-driving rod, 22-driven rod, 23-positioning rod, 24-buffering ring sleeve, 25-notch, 26-connecting rod, 3-sliding part, 31-closing ring main body, 32-guide groove, 33-clamping groove, 34-positioning plane, 35-elastic buffering cushion, 41-screw rod, 42-nut pair, 43-limiting plug, 44-bearing, 45-motor and 46-connecting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a transportation tool suitable for patients, which comprises two transverse rods 1 arranged in parallel relatively and a plurality of vertical rods 2 arranged between the two transverse rods 1, wherein the transverse rods 1 and the vertical rods 2 are of circular tube structures, and the plurality of vertical rods 2 are all arranged perpendicular to the transverse rods 1; the plurality of vertical rods 2 are composed of two driving rods 21, two driven rods 22 and two positioning rods 23, and one positioning rod 23, one driven rod 22, one driving rod 21, the other driven rod 22 and the other positioning rod 23 are sequentially arranged along the axial direction of the cross rod 1; two axial ends of the driving rods 21 are connected with the cross rod 1 through screw rod transmission mechanisms, and the screw rod transmission mechanisms drive the two driving rods 21 to move reversely along the cross rod 1; the two axial ends of the driven rod 22 are connected with the cross rod 1 in a sliding mode through the sliding parts 3, and the driving rod 21 pushes the driven rod 22 on the corresponding side to move towards the end portion of the cross rod 1.
Example 2
The improved structure is further improved on the basis of the embodiment 1, the cross rod 1 is of a hollow tube structure, the side wall of the cross rod 1 is provided with a sliding chute 11, the sliding chute 11 is communicated with the inside of the hollow tube, the sliding chute 11 is parallel to the axial direction of the cross rod 1 along the extending direction of the cross rod 1, and the axial length of the sliding chute 11 is equal to that of the cross rod 1; the screw rod transmission mechanism comprises a screw rod 41, a nut pair 42, a limiting plug 43, a bearing 44 and a motor 45; the screw rod 41 is arranged in a hollow tube of the cross rod 1, the side walls of the two nut pairs 42 in threaded transmission connection on the screw rod 1 are provided with connecting pieces 46, the two connecting pieces 46 respectively penetrate through the sliding chute 11 and then are used for being connected with the end part of the driving rod 21, and the rotating directions of the two nut pairs 42 are opposite; can dismantle at the uncovered department in the axial both ends of horizontal pole 1 and set up spacing stopper 43, the axial one end of lead screw 41 is passed through bearing 44 and is connected with one of them spacing stopper 43 rotation, and the axial other end of lead screw 41 runs through behind the through-hole on the spacing stopper 43 and is connected with the output of motor 45, and lead screw 41 with the through-hole inner wall passes through bearing 44 rotation and is connected.
Example 3
The embodiment 2 is further improved, the sliding member 3 includes a closed ring main body 31, the closed ring main body 31 is sleeved on the cross rod 1, the outer wall of the closed ring main body 31 is fixedly connected with the end portions of the corresponding driven rod 22 and the corresponding positioning rod 23 by welding or the like, or a connecting rod structure is arranged on the outer wall of the closed ring main body 31, one end of the connecting rod structure is integrally fixed on the outer wall of the closed ring main body 31, and the other end of the connecting rod structure is in threaded connection with the end portion of the driven rod 22 or the positioning rod 23; the two axial ends of the cross rod 1 are covered with limit caps 12, and the inner walls of the limit caps 12 are in threaded connection with the outer wall of the cross rod 1; the outer diameter of the limit cap 12 is larger than the inner diameter of the closed ring main body 31, and the other axial end of the screw rod 41 penetrates through the limit cap 12 and then is connected with the motor 45. The outer wall of the cross rod 1 is also convexly provided with two guide rails 13, the two guide rails 13 are symmetrically distributed, the axial extension direction of each guide rail 13 is parallel to the axial direction of the cross rod 1, and the guide rails 13 and the sliding grooves 11 form an included angle of 90 degrees; the inner wall of the closed ring body 31 is provided with a guide groove 32 adapted to the guide rail 13. The inner wall of the closed ring main body 31 is in clearance fit with the outer wall of the cross rod 1, and the outer wall of the guide rail 13 is in interference fit contact with the inner wall of the guide groove 32. A clamping groove 33 matched with the driving rod 21 is arranged on one end face of the closed ring main body 31, and the inner concave face of the clamping groove 33 is an arc concave face matched with the circumferential outer wall of the driving rod 21. A positioning plane 34 is arranged on one side wall of the closed ring main body 31 facing the ground, the positioning plane 34 is an integral molding structure of the axial section of the closed ring main body 31, and an elastic cushion 35 made of rubber is fixed on the positioning plane 34.
Example 4
The structure is further improved on the basis of the embodiment 3, the outer wall of the driving rod 21 is further sleeved with four buffer ring sleeves 24, the four buffer ring sleeves 24 are uniformly distributed along the axial direction of the driving rod 21, and the inner wall of each buffer ring sleeve 24 is rotatably connected with the outer wall of the driving rod 21.
Example 5
The embodiment 4 is further improved, the positioning rod 23 is a hollow circular tube structure, a notch 25 is arranged on the side wall of the hollow circular tube structure and at a position facing the driven rod 22, the notch 25 is communicated with the inside of the hollow tube structure, the axial extending direction of the notch 25 is parallel to the axial direction of the positioning rod 23, and the axial length of the notch 25 is equal to the axial length of the positioning rod 23; the width of the notch 25 is larger than the outer diameter of the driven rod 22, and the driven rod 22 is accommodated into the hollow structure of the positioning rod 23 through the notch 25 in the process of moving to the end part of the transverse rod 1; connecting rods 26 are arranged at two axial ends of the positioning rod 23, the positioning rod 23 is connected with the sliding piece 3 through the connecting rods 26, the axial width of the closed ring main body 31 is smaller than the outer diameters of the positioning rod 23 and the driven rod 22, the positions of the positioning rod 23 and the driven rod 22 on the side wall of the closed ring main body 31 are adjusted, and the closed ring main body 31 is guaranteed not to influence the adaptation of the driving rod 21 and the clamping groove 33; the outer walls of the positioning rods 23 and the driven rods 22 are coated with buffer ring sleeves 24.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A transportation tool suitable for patients is characterized by comprising two transverse rods (1) which are arranged in parallel relatively and a plurality of vertical rods (2) which are arranged between the two transverse rods (1), wherein the vertical rods (2) are all arranged vertically to the transverse rods (1); based on a patient, the axial direction of the cross rod (1) is in the same direction with the shoulder width direction of the patient, and the axial direction of the vertical rod (2) is in the same direction with the height direction of the patient;
the plurality of vertical rods (2) comprise two driving rods (21), two driven rods (22) and two positioning rods (23), and one positioning rod (23), one driven rod (22), one driving rod (21), the other driven rod (22) and the other positioning rod (23) are sequentially arranged along the axial direction of the cross rod (1);
the axial two ends of the driving rod (21) are connected with the cross rod (1) through a screw rod transmission mechanism, the cross rod (1) is of a hollow tube structure, a sliding groove (11) is formed in the side wall of the cross rod (1), the sliding groove (11) is communicated with the interior of the hollow tube, and the sliding groove (11) is parallel to the axial direction of the cross rod (1) along the extending direction of the cross rod (1); the screw rod transmission mechanism comprises a screw rod (41), a nut pair (42), a limiting plug (43), a bearing (44) and a motor (45); the screw rod (41) is arranged in a hollow pipe of the cross rod (1), connecting pieces (46) are arranged on the side walls of the two nut pairs (42) in threaded transmission connection on the screw rod (1), the two connecting pieces (46) penetrate through the sliding groove (11) respectively and then are used for being connected with the end part of the driving rod (21), and the rotating directions of the two nut pairs (42) are opposite; the limiting plugs (43) are detachably arranged at openings at two axial ends of the cross rod (1), one axial end of the screw rod (41) is rotatably connected with one limiting plug (43) through a bearing (44), the other axial end of the screw rod (41) penetrates through a through hole in the limiting plug (43) and then is connected with the output end of a motor (45), and the screw rod (41) is rotatably connected with the inner wall of the through hole through the bearing (44);
the screw rod transmission mechanism drives the two driving rods (21) to move reversely along the axial direction of the cross rod (1); the axial two ends of the driven rod (22) are connected with the cross rod (1) in a sliding mode through the sliding part (3), and the driving rod (21) pushes the driven rod (22) on the corresponding side to move towards the end portion of the cross rod (1) along the axial direction of the cross rod (1).
2. A means of transport for patients according to claim 1, wherein the sliding member (3) comprises a closed ring body (31), the closed ring body (31) is sleeved on the cross rod (1), and the outer wall of the closed ring body (31) is fixedly connected with the corresponding driven rod (22) and positioning rod (23); the two axial ends of the cross rod (1) are covered with limit caps (12), and the inner walls of the limit caps (12) are in threaded connection with the outer wall of the cross rod (1); the outer diameter of the limit cap (12) is larger than the inner diameter of the closed ring main body (31).
3. A means of transportation suitable for patients according to claim 2, wherein the outer wall of the cross bar (1) is further provided with two guide rails (13) in a protruding manner, the two guide rails (13) are symmetrically distributed, and the axial extension direction of each guide rail (13) is parallel to the axial direction of the cross bar (1); and a guide groove (32) matched with the guide rail (13) is formed in the inner wall of the closed ring main body (31).
4. A means of transportation suitable for patients according to claim 3, wherein the inner wall of the closed ring body (31) is in clearance fit with the outer wall of the cross bar (1), and the outer wall of the guide rail (13) is in interference fit contact with the inner wall of the guide groove (32).
5. A means of transportation suitable for patients according to claim 2, wherein one end face of the closed ring main body (31) is provided with a clamping groove (33) matched with the active rod (21), and the inner concave surface of the clamping groove (33) is an arc concave surface matched with the circumferential outer wall of the active rod (21).
6. A means of transportation for patients according to claim 2, wherein a side wall of the closed loop body (31) facing the ground is provided with a positioning plane (34), the positioning plane (34) is an integral structure of the closed loop body (31) in axial section, and an elastic buffer pad (35) is fixed on the positioning plane (34).
7. A means of transportation suitable for patients according to claim 1, wherein the outer wall of the driving rod (21) is further provided with at least two cushion rings (24), a plurality of cushion rings (24) are uniformly distributed along the axial direction of the driving rod (21), and the inner wall of each cushion ring (24) is rotatably connected with the outer wall of the driving rod (21).
8. A means of transportation suitable for patients according to claim 1, wherein the positioning rod (23) is a hollow circular tube structure, a notch (25) is provided on the side wall of the hollow circular tube structure and facing the driven rod (22), the notch (25) is communicated with the inside of the hollow circular tube structure, the axial extension direction of the notch (25) is parallel to the axial direction of the positioning rod (23), and the axial length of the notch (25) is equal to the axial length of the positioning rod (23); the width of the notch (25) is larger than or equal to the outer diameter of the driven rod (22), and the driven rod (22) is accommodated into the hollow structure of the positioning rod (23) through the notch (25) in the process of moving to the end part of the transverse rod (1); the axial two ends of the positioning rod (23) are provided with connecting rods (26), and the positioning rod (23) is connected with the sliding piece (3) through the connecting rods (26).
9. A means of patient transportation according to claim 8, wherein the outer walls of the positioning rods (23) and the driven rods (22) are covered with a cushion collar (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233532.2A CN109925129B (en) | 2019-03-26 | 2019-03-26 | Transport means suitable for patient |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233532.2A CN109925129B (en) | 2019-03-26 | 2019-03-26 | Transport means suitable for patient |
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| CN109925129A CN109925129A (en) | 2019-06-25 |
| CN109925129B true CN109925129B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910233532.2A Active CN109925129B (en) | 2019-03-26 | 2019-03-26 | Transport means suitable for patient |
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| CN208096898U (en) * | 2017-08-18 | 2018-11-16 | 湖南匡楚科技有限公司 | First aid Quick Release stretcher |
| CN108836641A (en) * | 2018-07-05 | 2018-11-20 | 杨敏 | A kind of medical damping stretcher |
| CN108888417A (en) * | 2018-07-07 | 2018-11-27 | 东莞市松研智达工业设计有限公司 | A kind of telescopic scoop stretcher with regulatory function |
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