CN211750542U - Lifting mechanism applied to shifting vehicle - Google Patents
Lifting mechanism applied to shifting vehicle Download PDFInfo
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- CN211750542U CN211750542U CN202020087122.XU CN202020087122U CN211750542U CN 211750542 U CN211750542 U CN 211750542U CN 202020087122 U CN202020087122 U CN 202020087122U CN 211750542 U CN211750542 U CN 211750542U
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Abstract
The utility model discloses a lifting mechanism applied to a shift vehicle, which is arranged between a vehicle body frame and a chassis frame of the shift vehicle and comprises a lifting bracket and an electric push rod; the lifting support comprises two groups of lifting rod components and linkage rods which are arranged on the left and right; the chassis frame, the linkage rod and the lower connecting rods of the two groups of lifting rod assemblies of the shifting vehicle are enclosed to form a parallelogram; the size of the included angle of the two parallelograms is synchronously changed through the extension and retraction of the telescopic end of the electric push rod, so that the vehicle body frame can vertically ascend or descend along the vertical direction relative to the chassis frame. The utility model has reasonable design, simple structure and low development cost; the vertical lifting of the shifting vehicle is realized by synchronously changing the length of the telescopic end through the two electric push rods, the adjusting precision is high, and the device is convenient, practical, strong in adaptability and suitable for large-scale production.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an use elevating system on aversion car.
Background
The transfer cart is a special medical bed for transferring patients from bed to bed, and transferring patients from an operating table to a ward or from an ambulance to a ward. The application of the shift trolley solves the difficulty that a patient is difficult to move from an operating table to a ward after an operation, reduces the pain and difficulty brought to the patient when the patient is moved by hands in the prior art, and is necessary medical equipment of a hospital. In the using process, the technology is continuously developed at present, so that the height of a sickbed is adapted, the flexibility of the shift trolley is improved, and the shift trolley is generally designed into a liftable structure, so that the shift trolley has various flexible and convenient operations such as lifting in multiple positions and the like; however, the existing lifting mechanism is complex in design and high in processing cost, and the portability and the flexibility of the shifting vehicle are not enough.
Like prior art like chinese utility model patent CN1903154B discloses a lifting mechanism on medical patient shifts car, this lifting mechanism all installs between medical patient shifts car's automobile body frame and chassis frame, as shown in fig. 1-2, this lifting mechanism is at the lift in-process, automobile body frame has taken place the removal of horizontal direction for chassis frame, lead to finding highly unmatched when the automobile body frame who shifts the car is right the position with the sick bed, perhaps after the height-adjusting, it probably unmatched again to find automobile body frame and the position of sick bed, still need adjust automobile body frame's horizontal direction displacement repeatedly, medical personnel's work load has been increased, the work efficiency who shifts the car has been reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the problems existing in the prior art, the utility model aims to provide an use elevating system on aversion car, this elevating system design is simple reasonable, can realize aversion car vertical lift, adjusts the precision height, can not lead to aversion car to produce the horizontal direction displacement when adjusting the lift, and convenient and practical, strong adaptability.
The purpose of the utility model is realized by adopting the following technical scheme: a lifting mechanism applied to a shift vehicle is arranged between a vehicle body frame and a chassis frame of the shift vehicle, and is characterized in that the lifting mechanism comprises a lifting support driving the vehicle body frame to vertically lift up and down along a vertical direction and an electric push rod for driving the lifting support to lift up and down; the lifting support comprises two groups of lifting rod components and linkage rods which are arranged on the left and right; each group of lifting rod assemblies comprises a front connecting rod, a rear connecting rod and a connecting cross rod for connecting the front connecting rod and the rear connecting rod; the front connecting rod and the rear connecting rod respectively comprise an upper connecting rod and a lower connecting rod, the top end of the upper connecting rod is hinged to the bottom of a vehicle body frame of the shifting vehicle, the bottom end of the upper connecting rod is correspondingly hinged to the top end of the lower connecting rod, and the bottom end of the lower connecting rod is hinged to the top of a chassis frame of the shifting vehicle; the hinged ends between the upper connecting rod and the lower connecting rod are respectively pivoted at the two ends of the connecting cross rod; two ends of the linkage rod are respectively hinged on the connecting transverse rods of the two groups of lifting rod components; the chassis frame, the linkage rod and the lower connecting rods of the two groups of lifting rod assemblies of the shifting vehicle are enclosed to form a parallelogram;
the telescopic end of the electric push rod is movably connected to the connecting cross rod, and the rod body end of the electric push rod is hinged to a vehicle body frame or/and a chassis frame of the shifting vehicle;
the size of the included angle of the two parallelograms is synchronously changed through the extension and retraction of the telescopic end of the electric push rod, so that the vehicle body frame can vertically ascend or descend along the vertical direction relative to the chassis frame.
Furthermore, the lifting mechanism also comprises four upper hinged seats and four lower hinged seats which respectively correspond to the upper hinged seats one by one from top to bottom; the four upper hinge seats are fixed at the bottom of the vehicle body frame of the shift vehicle and are connected with the upper connecting rods in a one-to-one correspondence manner; and the four lower hinged seats are fixed at the top of the chassis frame of the shift car and are connected with the lower connecting rods in a one-to-one correspondence manner.
Further, the electric push rod comprises a first electric push rod and a second electric push rod; the rod body end of the first electric push rod is hinged to the chassis frame, and the rod body end of the second electric push rod is hinged to the vehicle body frame.
Furthermore, the connecting cross rod is provided with a limiting block used for being connected with the linkage rod, the limiting block is provided with a limiting rod, two ends of the linkage rod are respectively provided with a first annular connecting portion, and the limiting rod is sleeved with the first annular connecting portions.
Furthermore, an annular connecting part is arranged at the contracting end of the electric push rod and sleeved on the connecting cross rod.
Furthermore, the electric push rod is driven by a motor to do telescopic motion.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model has reasonable design, simple structure, relatively low development cost and easy operation for medical staff;
2. the utility model realizes the vertical lifting of the shift vehicle by synchronously changing the length of the telescopic end through the two electric push rods, has high adjustment precision, and can not cause the shift vehicle to generate horizontal displacement when adjusting the lifting;
3. the utility model relates to a simple and reasonable, convenient and practical, strong adaptability, and light nimble, the transportation of being convenient for are fit for large-scale production.
Drawings
FIG. 1 is a schematic view of a prior art lift mechanism as it is raised;
FIG. 2 is a schematic view of a prior art lifting mechanism as it descends;
FIG. 3 is a schematic structural view of a lifting mechanism of a shift cart according to a preferred embodiment of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic view of the lifting mechanism of the shift cart according to the preferred embodiment of the present invention in a raised state;
fig. 6 is a schematic view of a state of the lifting mechanism of the shift cart according to the preferred embodiment of the present invention.
In the figure: 1. a lifting support; 11. a lifter bar assembly; 111. a front link; 112. a rear connecting rod; 113. connecting the cross bars; 114. an upper connecting rod; 115. a lower connecting rod; 116. a limiting block; 1161. a limiting rod; 117. a hinged end; 12. a linkage rod; 121. a first annular connecting portion; 2. an electric push rod; 21. a first electric push rod; 22. a second electric push rod; 23. a telescopic end; 231. a second annular connecting portion; 24. a rod body end; 25. a motor; 3. an upper hinge base; 4. a lower hinge base; B. a vehicle body frame; C. a chassis frame; D/H/I, horizontal displacement reference line.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, unless otherwise specified, the terms "top end", "bottom end", "up", "down", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "connected" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. In addition, the terms "first" and "second" in the present invention do not denote any particular quantity or order, but rather are used to distinguish one name from another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 3-6, a lifting mechanism applied to a shift cart is installed between a cart body frame B and a chassis frame C of the shift cart, and is characterized in that the lifting mechanism comprises a lifting support 1 for driving the cart body frame B to vertically lift up and down along a vertical direction, and an electric push rod 2 for driving the lifting support 1 to lift up and down; the lifting support 1 comprises two groups of lifting rod components 11 and linkage rods 12 which are arranged on the left and right; each group of the lifting rod assemblies 11 comprises a front connecting rod 111, a rear connecting rod 112 and a connecting cross rod 113 connecting the front connecting rod 111 and the rear connecting rod 112; the front connecting rod 111 and the rear connecting rod 112 respectively comprise an upper connecting rod 114 and a lower connecting rod 115, the top end of the upper connecting rod 114 is hinged to the bottom of a vehicle body frame B of the shift vehicle, the bottom end of the upper connecting rod 114 is correspondingly hinged to the top end of the lower connecting rod 115, and the bottom end of the lower connecting rod 115 is hinged to the top of a chassis frame C of the shift vehicle; the hinged end 117 between the upper connecting rod 114 and the lower connecting rod 115 is respectively pivoted at two ends of the connecting cross rod 113; two ends of the linkage rod 12 are respectively hinged on the connecting cross rods 113 of the two groups of lifting rod assemblies 11; the chassis frame C of the displacement vehicle, the linkage rod 12 and the lower connecting rods 115 of the two groups of lifting rod assemblies 11 form a parallelogram;
the telescopic end 23 of the electric push rod 2 is movably connected to the connecting cross rod 113, and the rod body end 24 of the electric push rod 2 is hinged to the vehicle body frame B or/and the chassis frame C of the shift vehicle;
the size of the included angle between the two parallelograms is synchronously changed by extending and retracting the telescopic end 23 of the electric push rod 2, so that the vehicle body frame B can vertically ascend or descend relative to the chassis frame C along the vertical direction.
In the embodiment, the body frame B, the linkage 12 and the upper links 114 of the two sets of lift lever assemblies 11 of the shift cart enclose a parallelogram, and the chassis frame C, the linkage 12 and the lower links 115 of the two sets of lift lever assemblies 11 of the shift cart enclose a parallelogram; the size of the included angle of the two parallelograms is synchronously changed through the extension and retraction of the telescopic end 23 of the electric push rod 2, so that the vehicle body frame B can vertically ascend or descend relative to the chassis frame C along the vertical direction, excessive auxiliary components are not needed, the structural design is simple and reasonable, the production and maintenance cost is low, the operation and maintenance are easy, and the working efficiency of medical care personnel in actual application is improved;
as shown in fig. 5 to 6, in the state where the position of the horizontal displacement reference line D after the lifting mechanism is lifted or lowered in the drawing is kept unchanged, the lifting mechanism is always vertically lifted or lowered, and the vehicle body frame B does not move in the horizontal direction with respect to the chassis frame C.
Compared with the lifting mechanism of the prior art, as shown in fig. 1-2, it is obvious that the vehicle body frame B moves horizontally relative to the chassis frame C during the lifting process of the lifting mechanism due to the change of the horizontal distance between the horizontal displacement reference lines H, I after the lifting mechanism is lifted or lowered, which results in the need of repeatedly adjusting the horizontal displacement of the vehicle body frame in practical application.
In the present embodiment, in order to synchronize the two sets of the lift lever assemblies 11 and improve the precision of the lift bracket 1, the two sets of the lift lever assemblies 11 are connected by the linking rod 12.
As a further preferable scheme, the lifting mechanism further comprises four upper hinge seats 3 and four lower hinge seats 4 which are respectively in one-to-one correspondence with the upper hinge seats 3 from top to bottom; the four upper hinge seats 3 are fixed at the bottom of the body frame B of the shift car and are correspondingly connected with the upper connecting rods 114 one by one; the four lower hinged seats 4 are fixed on the top of the chassis frame C of the shift car and are connected with the lower connecting rods 115 in a one-to-one correspondence manner.
As a further preferable mode, the electric push rod 2 comprises a first electric push rod 21 and a second electric push rod 22; the rod body end 24 of the first electric push rod 21 is hinged on the chassis frame C, and the rod body end 24 of the second electric push rod 22 is hinged on the vehicle body frame B.
In this embodiment, the two first electric push rods 21 and the two second electric push rods 22 are connected to the same power line, so that the telescopic end 23 can be synchronously extended or retracted.
In the present embodiment, the control of the first electric push rod 21 and the second electric push rod 22 can be realized by a single chip microcomputer control circuit, and the shift cart is provided with corresponding control buttons and angle indicator lamps, which can be realized by the existing control technology, so that the detailed description is omitted here.
As a further preferable scheme, a limiting block 116 for connecting with the linkage rod 12 is disposed on the connecting cross rod 113, a limiting rod 1161 is disposed on the limiting block 116, first annular connecting portions 121 are disposed at two ends of the linkage rod 12, and the limiting rod 1161 is sleeved with the first annular connecting portions 121.
In this embodiment, the linking rod 12 is configured to rotate and cooperate with the limiting rod 1161 on the limiting block 116 through the first annular connecting portion 121 to achieve adjustment of lifting; in other embodiments, a circumferential annular limiting groove adapted to the first annular connecting portion 121 may be formed on the outer circumferential surface of the connecting rail 113, and the first annular connecting portion 121 is fixed and limited in the circumferential annular limiting groove.
As a further preferable scheme, a second annular connecting portion 231 is arranged on the telescopic end 23 of the electric push rod 2, and the second annular connecting portion 231 is sleeved on the connecting cross bar 113.
As a further preferred scheme, the electric push rod 2 is driven by a motor 25 to make a telescopic motion.
As shown in fig. 3-6, when the utility model is required to be adjusted, the first electric push rod 21 and the second electric push rod 22 are controlled to work synchronously, the motors 25 of the first electric push rod 21 and the second electric push rod 22 respectively drive the push rods thereof to do stretching movement synchronously, the telescopic end 23 is used for pushing the connecting cross rod 113, the chassis frame C of the shift vehicle, the linkage rod 12 and the lower connecting rods 115 of the two sets of lifting rod assemblies 11 are enclosed to form a parallelogram, the telescopic end 23 is used for pushing the connecting cross rod 113 and increasing the included angle of the two parallelograms, so that the vehicle frame B can vertically ascend along the vertical direction relative to the chassis frame C and ascend to the required height; otherwise, the included angle between the two parallelograms is synchronously reduced by controlling the retraction of the telescopic end 23, and the vehicle body frame B is driven to vertically descend along the vertical direction relative to the chassis frame C to the required height.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. A lifting mechanism applied to a shift vehicle is arranged between a vehicle body frame and a chassis frame of the shift vehicle, and is characterized in that the lifting mechanism comprises a lifting support driving the vehicle body frame to vertically lift up and down along a vertical direction and an electric push rod for driving the lifting support to lift up and down; the lifting support comprises two groups of lifting rod components and linkage rods which are arranged on the left and right; each group of lifting rod assemblies comprises a front connecting rod, a rear connecting rod and a connecting cross rod for connecting the front connecting rod and the rear connecting rod; the front connecting rod and the rear connecting rod respectively comprise an upper connecting rod and a lower connecting rod, the top end of the upper connecting rod is hinged to the bottom of a vehicle body frame of the shifting vehicle, the bottom end of the upper connecting rod is correspondingly hinged to the top end of the lower connecting rod, and the bottom end of the lower connecting rod is hinged to the top of a chassis frame of the shifting vehicle; the hinged ends between the upper connecting rod and the lower connecting rod are respectively pivoted at the two ends of the connecting cross rod; two ends of the linkage rod are respectively hinged on the connecting transverse rods of the two groups of lifting rod components; the chassis frame, the linkage rod and the lower connecting rods of the two groups of lifting rod assemblies of the shifting vehicle are enclosed to form a parallelogram;
the telescopic end of the electric push rod is movably connected to the connecting cross rod, and the rod body end of the electric push rod is hinged to a vehicle body frame or/and a chassis frame of the shifting vehicle;
the size of the included angle of the two parallelograms is synchronously changed through the extension and retraction of the telescopic end of the electric push rod, so that the vehicle body frame can vertically ascend or descend along the vertical direction relative to the chassis frame.
2. The lifting mechanism applied to the shift trolley according to claim 1, further comprising four upper hinge seats and four lower hinge seats corresponding to the upper hinge seats one by one from top to bottom; the four upper hinge seats are fixed at the bottom of the vehicle body frame of the shift vehicle and are connected with the upper connecting rods in a one-to-one correspondence manner; and the four lower hinged seats are fixed at the top of the chassis frame of the shift car and are connected with the lower connecting rods in a one-to-one correspondence manner.
3. The lifting mechanism applied to the shift cart in claim 1, wherein the electric push rod comprises a first electric push rod and a second electric push rod; the rod body end of the first electric push rod is hinged to the chassis frame, and the rod body end of the second electric push rod is hinged to the vehicle body frame.
4. The lifting mechanism applied to a shift cart as claimed in claim 1, wherein the connecting cross bar is provided with a limiting block for connecting with the linkage bar, the limiting block is provided with a limiting bar, two ends of the linkage bar are respectively provided with a first annular connecting portion, and the first annular connecting portion is sleeved on the limiting bar.
5. The lifting mechanism applied to a shift cart as claimed in claim 1, wherein a second annular connecting portion is provided on the retracted end of the electric push rod, and the second annular connecting portion is sleeved on the connecting cross rod.
6. The lifting mechanism applied to the shift cart in claim 1, wherein the electric push rod is driven by a motor to move in a telescopic manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020087122.XU CN211750542U (en) | 2020-01-14 | 2020-01-14 | Lifting mechanism applied to shifting vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020087122.XU CN211750542U (en) | 2020-01-14 | 2020-01-14 | Lifting mechanism applied to shifting vehicle |
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| Publication Number | Publication Date |
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| CN211750542U true CN211750542U (en) | 2020-10-27 |
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| CN202020087122.XU Active CN211750542U (en) | 2020-01-14 | 2020-01-14 | Lifting mechanism applied to shifting vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180956A (en) * | 2021-06-11 | 2021-07-30 | 宁波欣雷医疗设备有限公司 | Toilet bowl lifting mechanism of nursing bed |
| CN113180952A (en) * | 2021-06-11 | 2021-07-30 | 宁波欣雷医疗设备有限公司 | Multifunctional nursing bed |
| CN113180976A (en) * | 2021-05-02 | 2021-07-30 | 何昕阳 | Multifunctional surgical operating bed |
| CN114180363A (en) * | 2022-02-17 | 2022-03-15 | 山东德晟机器人股份有限公司 | Intelligent container loading and unloading device |
-
2020
- 2020-01-14 CN CN202020087122.XU patent/CN211750542U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180976A (en) * | 2021-05-02 | 2021-07-30 | 何昕阳 | Multifunctional surgical operating bed |
| CN113180956A (en) * | 2021-06-11 | 2021-07-30 | 宁波欣雷医疗设备有限公司 | Toilet bowl lifting mechanism of nursing bed |
| CN113180952A (en) * | 2021-06-11 | 2021-07-30 | 宁波欣雷医疗设备有限公司 | Multifunctional nursing bed |
| CN114180363A (en) * | 2022-02-17 | 2022-03-15 | 山东德晟机器人股份有限公司 | Intelligent container loading and unloading device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230531 Address after: Room 402, 4th Floor, Building 38, No. 3 Hailong Road, Liwan District, Guangzhou City, Guangdong Province, 510000 Patentee after: Peilin Medical Technology (Guangzhou) Co.,Ltd. Address before: Shop 435C, No. 180 Tianyuan Road, Tianhe District, Guangzhou City, Guangdong Province, 528000 (office only) (not allowed as a factory building) Patentee before: Guangzhou Yaju Innovation Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |