CN211187833U - Self-balancing stretcher - Google Patents
Self-balancing stretcher Download PDFInfo
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- CN211187833U CN211187833U CN201921641538.5U CN201921641538U CN211187833U CN 211187833 U CN211187833 U CN 211187833U CN 201921641538 U CN201921641538 U CN 201921641538U CN 211187833 U CN211187833 U CN 211187833U
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Abstract
The utility model relates to the field of medical equipment, concretely relates to self-balancing stretcher, include: the stretcher comprises an outer frame, a middle frame and an inner frame, wherein deflection positioning mechanisms are respectively arranged between the outer frame and the middle frame and between the middle frame and the inner frame and are used for assisting the overall balance of the stretcher; the stretcher handle is arranged at the bottom of the outer frame, the connecting hinges for being hinged with the outer frame are arranged at the front end and the rear end of the middle frame, and the left side and the right side of the inner frame are rotatably connected with the middle frame through rotating shafts; the deflection positioning mechanism comprises a deflection control switch, a battery, a relay and an adsorption component; the adsorption component comprises an electromagnet and an adsorption iron sheet; the inner frame is a hollow box body, the top surface of the inner frame is provided with a lying plate, and a gravity center adjusting device is arranged in the inner frame.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to self-balancing stretcher.
Background
When the wounded person is rescued on slopes such as hills and stairs by using the stretcher, the wounded person can fall off the stretcher, and due to the slope of the slopes and other complicated terrain conditions, the wounded person can easily fall off in emergency situations. This not only causes the wounded person to be injured secondarily, but also may aggravate the condition of the wounded person, and even threaten life, causing unnecessary trouble.
Ordinary stretcher can't solve this type of problem well all the time, and utility model patent that patent number is 201520325898.X discloses a self-balancing stretcher, but its balanced function that only has the fore-and-aft direction, and the height of whole stretcher is very big, is not convenient for carry on the car.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art and providing a self-balancing stretcher.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a self-balancing stretcher comprising: the stretcher comprises an outer frame, a middle frame and an inner frame, wherein deflection positioning mechanisms are respectively arranged between the outer frame and the middle frame and between the middle frame and the inner frame and are used for assisting the overall balance of the stretcher;
the stretcher handle is arranged at the bottom of the outer frame, the connecting hinges for being hinged with the outer frame are arranged at the front end and the rear end of the middle frame, and the left side and the right side of the inner frame are rotatably connected with the middle frame through rotating shafts;
the deflection positioning mechanism comprises a deflection control switch, a battery, a relay and an adsorption component; the adsorption component comprises an electromagnet and an adsorption iron sheet;
the inner frame is a hollow box body, the top surface of the inner frame is provided with a lying plate, and a gravity center adjusting device is arranged in the inner frame.
Preferably, two groups of adsorption components are arranged in the deflection positioning mechanism between the outer frame and the middle frame, and the adsorption components are respectively arranged at the diagonal positions of the middle frame; the opposite angles of the adsorption iron sheet are arranged at the vertex angles of the front end and the rear end of the middle frame, the front end and the rear end of the outer frame are provided with control boxes, the electromagnet is arranged in the control box, and the magnetic suction head at the head part of the electromagnet penetrates out of the control box and is arranged near the adsorption iron sheet.
Preferably, two groups of adsorption components are arranged in the deflection positioning mechanism between the middle frame and the inner frame, the adsorption components are respectively arranged in the middle parts of two sides of the inner frame, the adsorption iron sheet is arranged on the inner side of the middle frame, the electromagnet is arranged in the inner frame, and the head magnetic suction head of the electromagnet penetrates through the inner frame and is arranged near the adsorption iron sheet.
Preferably, three contacts are arranged in the deflection control switch and respectively correspond to the three lines of the disconnecting circuit, the connecting relay and the short-circuit relay.
Preferably, the gravity center adjusting device comprises a gravity center adjusting control switch, a motor, a screw rod, a balancing weight, a guide groove box and a power supply; the motor, the lead screw and the balancing weight are all arranged in the guide groove box, three contacts are arranged in the gravity center adjusting control switch and respectively correspond to the disconnection circuit, the motor forward rotation circuit and the motor reverse rotation circuit, so that the motor forward and reverse rotation are controlled to achieve the function of gravity center adjustment, and the sliding direction of the balancing weight is the length direction of the inner frame.
Preferably, the surface of the lying plate is provided with a breathable soft cushion.
Adopt three framework articulated modes in this scheme, utilize the vertical decurrent principle of gravity, realized all around two-way balance. The gravity center adjusting device is used for balancing the whole device after people are carried, and the time delay on-off function of the electromagnet and the relay is used for setting to realize the stable and free adjustment of the stretcher, so that stable and safe rescue is achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the frame and inner frame of the present invention;
fig. 3 is a schematic layout view of the deflection positioning mechanism of the present invention.
Detailed Description
The following specific embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.
The present invention will be described in detail by way of examples with reference to the accompanying drawings.
Example 1:
according to fig. 1 and 2, a self-balancing stretcher comprises: the stretcher comprises an outer frame 1, a middle frame 2 and an inner frame 3, wherein deflection positioning mechanisms 4 are respectively arranged between the outer frame 1 and the middle frame 2 and between the middle frame 2 and the inner frame 3 and are used for assisting the overall balance of the stretcher; the bottom of the outer frame 1 is provided with a stretcher handle 11, the front end and the rear end of the middle frame 2 are provided with connecting hinges 21 which are hinged with the outer frame 1, and the left side and the right side of the inner frame 3 are rotatably connected with the middle frame 2 through rotating shafts 31; the inner frame 3 is a hollow box body, the top surface of the inner frame is provided with a lying plate 32, the inside of the inner frame is provided with a gravity center adjusting device 5, and the surface of the lying plate 32 is provided with a breathable soft cushion.
According to fig. 3, the deflection positioning mechanism 4 includes a deflection control switch 41, a battery 42, a relay 43, and an adsorption assembly 44; the adsorption component 44 includes an electromagnet 441 and an adsorption iron sheet 442, and three contacts are arranged in the deflection control switch 41 and respectively correspond to a circuit breaking, a connection relay, a short-circuit relay, and three lines.
Two groups of adsorption components 44 are arranged in the deflection positioning mechanism 4 between the outer frame 1 and the middle frame 2, and the adsorption components 44 are respectively arranged at the diagonal positions of the middle frame 2; the opposite angles of the adsorption iron sheet 442 are arranged at the top angles of the front and rear ends of the middle frame 2, the front and rear ends of the outer frame 1 are provided with the control boxes 12, the electromagnets 441 are arranged in the control boxes 12, and the magnetic suction heads at the head parts of the electromagnets penetrate out of the control boxes 12 and are arranged near the adsorption iron sheet 442.
Two groups of adsorption components 44 are arranged in the deflection positioning mechanism 4 between the middle frame 2 and the inner frame 3, the adsorption components 44 are respectively arranged in the middle parts of two sides of the inner frame 3, an adsorption iron sheet 442 is arranged on the inner side of the middle frame 2, an electromagnet 441 is arranged in the inner frame 3, and a magnetic suction head at the head of the electromagnet penetrates out of the inner frame 3 and is arranged near the adsorption iron sheet 442.
The gravity center adjusting device 5 comprises a gravity center adjusting control switch 51, a motor 52, a screw 53, a balancing weight 54, a guide groove box 55 and a power supply 56; the motor 52, the screw 53 and the counterweight block 54 are all arranged in the guide groove box 55, three contacts are arranged in the gravity center adjusting control switch 51 and respectively correspond to the disconnection circuit, the motor forward rotation circuit and the motor reverse rotation circuit, so that the motor 52 is controlled to rotate forward and backward to achieve the function of gravity center adjustment, and the sliding direction of the counterweight block 54 is the length direction of the inner frame 3.
The use mode of the device is as follows: 1. the wounded person is placed in the center of the lying plate 32 of the stretcher, and the deflection control switch 41 is turned to the place where the circuit is disconnected. 2. The stretcher handle 11 of the stretcher is horizontally lifted, the front-back balance of the inner frame 3 is adjusted by using the gravity center adjusting control switch 51, the left and right gravity centers of a human body are generally balanced, mainly the gravity centers of the head and the feet are deviated, and the wounded on the stretcher is in a balanced state after being adjusted by the gravity center adjusting device 5. 3. The control switch 41 is turned to the position of connecting the relay, the relay is set to be attracted for 2 seconds by default, the relay is disconnected for 1 second, and the operation of attracting and disconnecting the adsorption iron sheet 442 is continuously repeated by the electromagnet 441, so that the stretcher can realize self-balancing transportation of wounded persons under the cooperation of gravity. 4. When the self-balancing function is not needed, the control switch 41 is turned to the position of the short-circuit relay, the electromagnet 441 is electrified, the attraction of the adsorption iron sheet 442 is kept, and therefore the positions of the middle frame 2 and the inner frame 3 are fixed, and the middle frame and the inner frame do not rotate any more.
Claims (6)
1. A self-balancing stretcher, comprising: the stretcher comprises an outer frame (1), a middle frame (2) and an inner frame (3), wherein deflection positioning mechanisms (4) are respectively arranged between the outer frame (1) and the middle frame (2) and between the middle frame (2) and the inner frame (3) and are used for assisting the overall balance of the stretcher;
the stretcher is characterized in that a stretcher handle (11) is arranged at the bottom of the outer frame (1), connecting hinges (21) which are used for being hinged with the outer frame (1) are arranged at the front end and the rear end of the middle frame (2), and the left side and the right side of the inner frame (3) are rotatably connected with the middle frame (2) through rotating shafts (31);
the deflection positioning mechanism (4) comprises a deflection control switch (41), a battery (42), a relay (43) and an adsorption component (44); the adsorption component (44) comprises an electromagnet (441) and an adsorption iron sheet (442);
the inner frame (3) is a hollow box body, the top surface of the inner frame is provided with a lying plate (32), and a gravity center adjusting device (5) is arranged in the inner frame.
2. The self-balancing stretcher according to claim 1, characterized in that two sets of adsorption components (44) are arranged in the deflection positioning mechanism (4) between the outer frame (1) and the middle frame (2), and the adsorption components (44) are respectively arranged at the diagonal positions of the middle frame (2); the opposite angles of the adsorption iron sheet (442) are arranged at the top angles of the front end and the rear end of the middle frame (2), the front end and the rear end of the outer frame (1) are provided with control boxes (12), the electromagnets (441) are arranged in the control boxes (12), and the magnetic suction head at the head of each electromagnet penetrates through the control boxes (12) and is arranged near the adsorption iron sheet (442).
3. The self-balancing stretcher according to claim 1, characterized in that two sets of adsorption components (44) are arranged in the deflection positioning mechanism (4) between the middle frame (2) and the inner frame (3), the adsorption components (44) are respectively arranged in the middle of two sides of the inner frame (3), the adsorption iron sheet (442) is arranged inside the middle frame (2), the electromagnet (441) is arranged in the inner frame (3), and the magnetic suction head of the electromagnet penetrates out of the inner frame (3) and is arranged near the adsorption iron sheet (442).
4. The self-balancing stretcher according to claim 2 or 3, characterized in that three contacts are arranged in the deflection control switch (41) and correspond to three lines, namely an open circuit, a connection relay and a short circuit relay.
5. The self-balancing stretcher of claim 4, characterized in that the gravity center adjusting device (5) comprises a gravity center adjusting control switch (51), a motor (52), a lead screw (53), a balancing weight (54), a guide groove box (55) and a power supply (56); the motor (52), the screw rod (53) and the balancing weight (54) are all arranged in the guide groove box (55), three contacts are arranged in the gravity center adjusting control switch (51) and respectively correspond to the disconnecting circuit, the motor forward rotation circuit and the motor reverse rotation circuit, and therefore the motor (52) is controlled to rotate forward and backward to achieve the function of gravity center adjustment.
6. The self-balancing stretcher of claim 1, wherein the surface of the lying plate (32) is provided with an air-permeable cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641538.5U CN211187833U (en) | 2019-09-29 | 2019-09-29 | Self-balancing stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641538.5U CN211187833U (en) | 2019-09-29 | 2019-09-29 | Self-balancing stretcher |
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| Publication Number | Publication Date |
|---|---|
| CN211187833U true CN211187833U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921641538.5U Active CN211187833U (en) | 2019-09-29 | 2019-09-29 | Self-balancing stretcher |
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| CN (1) | CN211187833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938924A (en) * | 2020-08-19 | 2020-11-17 | 郑州铁路职业技术学院 | First-aid stretcher convenient for carrying human body |
-
2019
- 2019-09-29 CN CN201921641538.5U patent/CN211187833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938924A (en) * | 2020-08-19 | 2020-11-17 | 郑州铁路职业技术学院 | First-aid stretcher convenient for carrying human body |
| CN111938924B (en) * | 2020-08-19 | 2022-06-21 | 郑州铁路职业技术学院 | First-aid stretcher convenient for carrying human body |
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