CN214511786U - Four-motor driven vertical lifting and head-hanging supination structure - Google Patents
Four-motor driven vertical lifting and head-hanging supination structure Download PDFInfo
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- CN214511786U CN214511786U CN202023225959.5U CN202023225959U CN214511786U CN 214511786 U CN214511786 U CN 214511786U CN 202023225959 U CN202023225959 U CN 202023225959U CN 214511786 U CN214511786 U CN 214511786U
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Abstract
The utility model relates to a four-motor driven vertical lifting and vertical head lying structure, which comprises a base and a movable frame positioned above the base, wherein the movable frame is connected with the base through a head connecting rod mechanism and a leg connecting rod mechanism, and the head connecting rod mechanism and the leg connecting rod mechanism respectively support the front end and the rear end of the movable frame; the head connecting rod mechanism and the leg connecting rod mechanism are driven by electric push rods and respectively drive the head connecting rod mechanism and the leg connecting rod mechanism to ascend or descend, and the head connecting rod mechanism and the leg connecting rod mechanism can be driven to ascend or descend synchronously. The utility model discloses a connecting rod structure has realized the function that vertical lift and vertical head lie on the back simultaneously, cooperates the design of unilateral dual drive motor, great increase its bearing capacity.
Description
Technical Field
The utility model belongs to the field of medical equipment, more specifically relates to a four motor drive's vertical lift and structure of lying on back that hangs down.
Background
The emergency treatment bed and the nursing bed can be divided into an electric bed and a manual bed, and are used when emergency patients need emergency treatment, or used when patients who are inconvenient to move are in hospital or in home for nursing. The main purpose is to facilitate the care of nursing staff and the rehabilitation of patients. At present, the emergency cot used for medical emergency is a common cot with single structure and function, mostly only has a lifting function, and cannot meet the requirements of medical emergency and nursing, so that the emergency cot is necessary to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a four motor drive's vertical lift and structure of making the head of hanging down on the back, the utility model discloses a connecting rod structure has realized the function that vertical lift and head of hanging down were made the back simultaneously, cooperates the design of unilateral dual drive motor, great increase its bearing capacity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a four motor drive's vertical lift and structure of lying on back of hanging down, its characterized in that: the multifunctional chair comprises a base 100 and a movable frame 101 positioned above the base 100, wherein the movable frame 101 is connected with the base 100 through a head connecting rod mechanism and a leg connecting rod mechanism, and the head connecting rod mechanism and the leg connecting rod mechanism respectively support the front end and the rear end of the movable frame 101;
the leg link mechanism comprises a pair of leg linear drivers 105 and a first linkage rod 108, two ends of the first linkage rod 108 are both mounted on the movable frame 101 through a supporting connecting piece 103, and the first linkage rod 108 is rotatably connected with the supporting connecting piece 103; a first force arm 106 and a second force arm 107 are arranged at two ends of the first linkage rod 108, and a fulcrum end of the first force arm 106 and a fulcrum end of the second force arm 107 are fixedly connected with the first linkage rod 108 and form a certain angle; the movable end of the second force arm 107 is rotatably connected with the base 100; the tail ends of the pair of leg linear drivers 105 are rotatably connected to the movable frame 101, and the head ends are rotatably connected with the movable ends of the corresponding first force arms 106;
the head linkage mechanism comprises a pair of head linear drivers 104, a first linkage rod 108 and a second linkage rod 110, two ends of the first linkage rod 108 are both mounted on the movable frame 101 through supporting connecting pieces 103, and the first linkage rod 108 is rotatably connected with the supporting connecting pieces 103; a first force arm 106 and a second force arm 107 are arranged at two ends of the first linkage rod 108, and a fulcrum end of the first force arm 106 and a fulcrum end of the second force arm 107 are fixedly connected with the first linkage rod 108 and form a certain angle; the tail ends of the pair of leg linear drivers 105 are rotatably connected to the movable frame 101, and the head ends are rotatably connected with the movable ends of the corresponding first force arms 106; the two ends of the second linkage rod 110 are both provided with a third force arm 109, the middle part of the third force arm 109 is fixedly connected with the second linkage rod 110, the upper end of the third force arm 109 is rotatably connected with the movable end of the second force arm 107, and the lower end of the third force arm is rotatably connected with the base 100.
Preferably, the base 100 and the movable frame 101 are both rectangular frame structures, and four corners of the base 100 are respectively provided with a universal wheel 102.
Preferably, a cross beam is arranged in the middle of the movable frame 101, and the tail parts of the head linear driver 104 and the leg linear driver 105 are rotatably connected with the cross beam.
Preferably, two sides of the movable frame 101 are respectively provided with more than three connecting supports 111, and the top of each connecting support 111 is provided with a bolt hole for connecting with the bed plate through a bolt.
Preferably, the head end of the movable frame 101 is provided with a backrest connecting bracket 112, the middle part of the backrest connecting bracket 112 is provided with a socket sleeve 115, and two sides of the socket sleeve 115 are respectively provided with a socket hole 114 for socket connection with the backrest.
Preferably, two ends of the backrest connecting bracket 112 are respectively provided with an ear plate 113, and the ear plates 113 are provided with bolt holes for connecting with a backrest through bolts to complete locking of multiple backrests.
Preferably, the included angle between the first force arm 106 and the second force arm 107 is greater than or equal to 30 degrees and less than or equal to 150 degrees.
Preferably, the angle between the first force arm 106 and the second force arm 107 is equal to 90 °.
Preferably, the head linear actuator 104 and the leg linear actuator 105 are both electric pushrods.
The utility model has the advantages that: the utility model discloses a bilateral independent link structure, the function that vertical lift and vertical head lie on the back is realized respectively to or simultaneous drive link structure on one side respectively, cooperates unilateral dual drive motor's design, great increase its bearing capacity.
Drawings
FIG. 1 is a perspective view of a four-motor driven vertical lift and head-down supine configuration.
FIG. 2 is an exploded view of a four motor driven vertical lift and head and back structure.
FIG. 3 is a schematic diagram of a four motor driven vertical lift and drop-on-back configuration down to a minimum position.
FIG. 4 is a schematic diagram of the four motor driven vertical lift and head-down supine configuration up to the highest position.
FIG. 5 is a schematic view of a four-motor driven vertical lift and supine configuration in a supine position (head-side tilt).
FIG. 6 is a schematic diagram of a four-motor driven vertical lift and head-down supine configuration in a reverse head-down supine position (foot-side tilt).
Fig. 7 is a perspective view of the movable frame.
In the figure: the device comprises a base 100, a movable frame 101, a universal wheel 102, a support connecting piece 103, a head linear driver 104, a leg linear driver 105, a first force arm 106, a second force arm 107, a first linkage rod 108, a third force arm 109, a second linkage rod 110, a connecting support 111, a backrest connecting bracket 112, an ear plate 113, a socket hole 114 and a socket sleeve 115.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a four-motor driven vertical lifting and head-hanging supine structure is characterized in that: the multifunctional chair comprises a base 100 and a movable frame 101 positioned above the base 100, wherein the movable frame 101 is connected with the base 100 through a head connecting rod mechanism and a leg connecting rod mechanism, and the head connecting rod mechanism and the leg connecting rod mechanism respectively support the front end and the rear end of the movable frame 101.
The leg link mechanism comprises a pair of leg linear drivers 105 and a first linkage rod 108, two ends of the first linkage rod 108 are both mounted on the movable frame 101 through a supporting connecting piece 103, and the first linkage rod 108 is rotatably connected with the supporting connecting piece 103; a first force arm 106 and a second force arm 107 are arranged at two ends of the first linkage rod 108, and a fulcrum end of the first force arm 106 and a fulcrum end of the second force arm 107 are fixedly connected with the first linkage rod 108 (the two ends of the first force arm 106 and the second force arm 107 are respectively a fulcrum end and an active end) and are protected to form a certain angle; the movable end of the second force arm 107 is rotatably connected with the base 100; the pair of leg linear actuators 105 are pivotally connected at their rear ends to the movable frame 101 and at their head ends to the movable ends of the corresponding first arms 106.
The head linkage mechanism comprises a pair of head linear drivers 104, a first linkage rod 108 and a second linkage rod 110, two ends of the first linkage rod 108 are both mounted on the movable frame 101 through supporting connecting pieces 103, and the first linkage rod 108 is rotatably connected with the supporting connecting pieces 103; a first force arm 106 and a second force arm 107 are arranged at two ends of the first linkage rod 108, and a fulcrum end of the first force arm 106 and a fulcrum end of the second force arm 107 are fixedly connected with the first linkage rod 108 (two ends of the first force arm 106 and the second force arm 107 are respectively a fulcrum end fixedly connected and a movable end rotatably connected), and are protected to form a certain angle; the tail ends of the pair of leg linear drivers 105 are rotatably connected to the movable frame 101, and the head ends are rotatably connected with the movable ends of the corresponding first force arms 106; the two ends of the second linkage rod 110 are both provided with a third force arm 109, the middle part of the third force arm 109 is fixedly connected with the second linkage rod 110, the upper end of the third force arm 109 is rotatably connected with the movable end of the second force arm 107, and the lower end of the third force arm is rotatably connected with the base 100.
As shown in fig. 2, the head linear actuator 104 and the leg linear actuator 105 are both electric pushrods.
As shown in fig. 2, the included angle between the first force arm 106 and the second force arm 107 is greater than or equal to 30 degrees and less than or equal to 150 degrees, and the reasonable angle of the comprehensive rotating moment and the lifting range is 90 degrees.
As shown in fig. 1, 2 and 7, the base 100 and the movable frame 101 are both rectangular frame structures, and four corners of the base 100 are respectively provided with a universal wheel 102 for integral walking. The middle part of the movable frame 101 is provided with a cross beam which is used for enhancing the strength of the whole structure and is used for providing a hinge position for the tail parts of the head linear driver 104 and the leg linear driver 105. The two sides of the movable frame 101 are respectively provided with more than three connecting supports 111, and the top of each connecting support 111 is provided with a bolt hole for connecting with the bed plate through bolts. A backrest connecting bracket 112 is arranged at the head end of the movable frame 101, a socket sleeve 115 is arranged in the middle of the backrest connecting bracket 112, and two sides of the socket sleeve 115 are respectively provided with a socket hole 114 for socket connection with the backrest; two ends of the backrest connecting bracket 112 are respectively provided with an ear plate 113, and the ear plates 113 are provided with bolt holes for connecting with a backrest through bolts to complete the locking of multiple backrests; when the backrest is installed, the corresponding socket rod on the backrest is inserted into the corresponding socket sleeve 115 and the socket hole 114, and then the lug plates 113 on the two sides are connected with the back edge of the backrest by bolts, so that the backrest cannot be pulled out.
The two head linear drivers 104 and the two leg linear drivers 105 in the four-motor-driven vertical lifting and vertical head lying structure are controlled by a remote controller, and the remote controller comprises a lifting key, a descending key, a vertical head lying key, a reverse vertical head lying key and other function keys. The control method of various functions comprises vertical lifting function control and vertical head and supine function control, wherein
And (3) vertical lifting function control:
when the whole movable frame 101 is lifted, and the whole bed lifting key is pressed, the head linear driver 104 and the leg linear driver 105 are controlled to synchronously extend out, the first force arm 106 is pushed to enable the second force arm 107 and the third force arm 109 to rotate, and when the head linear driver 104 and the leg linear driver 105 extend out to the longest state, the whole movable frame 101 is lifted to the highest point.
When the movable frame 101 is in the highest state and needs to be wholly descended, the whole bed descending key is pressed to control the head linear driver 104 and the leg linear driver 105 to synchronously retract inwards, the first force arm 106 is pulled to rotate the second force arm 107 and the third force arm 109, and when the head linear driver 104 and the leg linear driver 105 retract to the shortest state, the movable frame 101 wholly descends to the bottommost point.
Controlling the functions of head hanging and lying on back:
when the movable frame 101 is in the highest state, the head-hanging and supine key is pressed, the single-control head linear driver 104 retracts inwards, the corresponding first force arm 106 is pulled to rotate the corresponding second force arm 107 and third force arm 109, the movable frame 101 tilts towards one end of the head linear driver 104, and when the head linear driver 104 retracts to the shortest state, the movable frame 101 is in the head-hanging and supine state.
When the movable frame 101 is in the highest state, the reverse-head-hanging supine key is pressed, the single-control leg linear driver 105 retracts inwards, the corresponding first force arm 106 is pulled to rotate the corresponding second force arm 107, the movable frame 101 tilts towards one end of the leg linear driver 105, and when the leg linear driver 105 retracts to the shortest state, the movable frame 101 is in the reverse-head-hanging supine state.
The utility model adopts the connecting rod structure with independent two sides, and realizes the vertical lifting function by simultaneously driving the connecting rod structures on the two sides; the connecting rod structures on one side can be controlled respectively to realize the function of hanging down and lying on the back. The bearing capacity of the electric push rod is greatly improved by matching with the design of a single-side double-drive motor (the electric push rod is driven by the motor) and the reasonable included angle and the increase of the strength of each part; if the single motor is used for driving, one first force arm 106 drives the first linkage rod 108 to rotate, so that the first linkage rod 108 is stressed unevenly, force loss is generated, limited bearing capacity can only reach 170kg, and the first linkage rod 108 is easy to damage due to uneven force for a long time; after the double motors are symmetrically arranged, the two first force arms 106 are symmetrically arranged to drive the two ends of the first linkage rod 108 to rotate, so that the first linkage rod 108 is stressed uniformly and cannot deflect, the loss of force is avoided, the effect that the bearing capacity is 1+1 greater than 2 can be achieved by combining the reasonable included angle of the connecting rod mechanism and the increase of the strength of each part, 500kg is achieved, and the bearing capacity is greatly improved.
The above description is only an example of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the present invention is not limited to the above description.
Claims (9)
1. The utility model provides a four motor drive's vertical lift and structure of lying on back of hanging down, its characterized in that: the multifunctional bed comprises a base (100) and a movable frame (101) positioned above the base (100), wherein the movable frame (101) is connected with the base (100) through a head connecting rod mechanism and a leg connecting rod mechanism, and the head connecting rod mechanism and the leg connecting rod mechanism respectively support the front end and the rear end of the movable frame (101);
the leg connecting rod mechanism comprises a pair of leg linear drivers (105) and a first linkage rod (108), two ends of the first linkage rod (108) are mounted on the movable frame (101) through supporting connecting pieces (103), and the first linkage rod (108) is rotatably connected with the supporting connecting pieces (103); a first force arm (106) and a second force arm (107) are arranged at two ends of the first linkage rod (108), and a fulcrum end of the first force arm (106) and a fulcrum end of the second force arm (107) are fixedly connected with the first linkage rod (108) and form a certain angle with each other; the movable end of the second force arm (107) is rotationally connected with the base (100); the tail ends of the pair of leg linear drivers (105) are rotatably connected to the movable frame (101), and the head ends of the leg linear drivers are rotatably connected with the movable ends of the corresponding first force arms (106);
the head connecting rod mechanism comprises a pair of head linear drivers (104), a first linkage rod (108) and a second linkage rod (110), two ends of the first linkage rod (108) are both installed on the movable frame (101) through supporting connecting pieces (103), and the first linkage rod (108) is rotatably connected with the supporting connecting pieces (103); a first force arm (106) and a second force arm (107) are arranged at two ends of the first linkage rod (108), and a fulcrum end of the first force arm (106) and a fulcrum end of the second force arm (107) are fixedly connected with the first linkage rod (108) and form a certain angle with each other; the tail ends of the pair of leg linear drivers (105) are rotatably connected to the movable frame (101), and the head ends of the leg linear drivers are rotatably connected with the movable ends of the corresponding first force arms (106); the both ends of second linkage pole (110) all are equipped with third arm of force (109), the middle part and the second linkage pole (110) fixed connection of third arm of force (109), the upper end rotates with the expansion end of second power arm (107) to be connected, and the lower extreme rotates with base (100) to be connected.
2. The four-motor driven vertical lift and drop head supine configuration of claim 1, wherein: the base (100) and the movable frame (101) are both rectangular frame structures, and four corners of the base (100) are respectively provided with a universal wheel (102).
3. The four-motor driven vertical lift and drop head supine configuration of claim 2, wherein: the middle part of the movable frame (101) is provided with a cross beam, and the tails of the head linear driver (104) and the leg linear driver (105) are rotatably connected with the cross beam.
4. The four-motor driven vertical lift and drop head supine configuration of claim 2, wherein: the two sides of the movable frame (101) are respectively provided with more than three connecting supports (111), and the top of each connecting support (111) is provided with a bolt hole for connecting with the bed plate through bolts.
5. The four-motor driven vertical lift and drop head supine configuration of claim 2, wherein: the backrest connecting support (112) is arranged at the head end of the movable frame (101), a socket sleeve (115) is arranged in the middle of the backrest connecting support (112), and two sides of the socket sleeve (115) are respectively provided with a socket hole (114) for socket connection with the backrest.
6. The four-motor driven vertical lift and drop head supine configuration of claim 5, wherein: the two ends of the backrest connecting bracket (112) are respectively provided with an ear plate (113), and the ear plates (113) are provided with bolt holes for connecting with the backrest through bolts to complete the locking of the multiple backrests.
7. The four-motor driven vertical lift and drop head supine configuration of claim 1, wherein: the included angle between the first force arm (106) and the second force arm (107) is more than or equal to 30 degrees and less than or equal to 150 degrees.
8. The four-motor driven vertical lift and drop head supine configuration of claim 7, wherein: the angle between the first force arm (106) and the second force arm (107) is equal to 90 °.
9. The four-motor driven vertical lift and drop head supine configuration of claim 1, wherein: the head linear driver (104) and the leg linear driver (105) are both electric push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023225959.5U CN214511786U (en) | 2020-12-28 | 2020-12-28 | Four-motor driven vertical lifting and head-hanging supination structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023225959.5U CN214511786U (en) | 2020-12-28 | 2020-12-28 | Four-motor driven vertical lifting and head-hanging supination structure |
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| CN214511786U true CN214511786U (en) | 2021-10-29 |
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| CN202023225959.5U Active CN214511786U (en) | 2020-12-28 | 2020-12-28 | Four-motor driven vertical lifting and head-hanging supination structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291767A (en) * | 2021-12-09 | 2022-04-08 | 苏州市普成机械有限公司 | Full-automatic stacker fork |
-
2020
- 2020-12-28 CN CN202023225959.5U patent/CN214511786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291767A (en) * | 2021-12-09 | 2022-04-08 | 苏州市普成机械有限公司 | Full-automatic stacker fork |
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Denomination of utility model: Four motor driven vertical lifting and vertical head supine structure Effective date of registration: 20220510 Granted publication date: 20211029 Pledgee: China Construction Bank Corporation Xianning branch Pledgor: HOUFU MEDICAL EQUIPMENT Co.,Ltd. Registration number: Y2022980005314 |