CN201968927U - Multifunctional stair stretcher - Google Patents

Abstract

The utility model provides a multifunctional stair stretcher, which comprises a reclining chair structure. The reclining chair comprises a front back cushion, an intermediate back cushion and a rear back cushion, wherein the rear part of the front back cushion is hinged with the front part of the intermediate back cushion. The stretcher also comprises an X-shaped intermediate support. The intermediate support comprises a support rod, a front telescopic rod, a rear telescopic rod, a first left connecting rod, a second left connecting rod, a first right connecting rod, a second right connecting rod, an intermediate connecting rod, a front connecting rod and a rear connecting rod; the front part of the support rod is provided with the front telescopic rod; and the rear part of the support rod is provided with the rear telescopic rod. The utility model provides the multifunctional stair stretcher which has a high safety factor and high patient comfortableness and is capable of improving the transport efficiency and enhancing the safety of medical workers.

Description

Multifunctional Stair Stretcher

technical field

The utility model relates to the field of rescue equipment, in particular to rescue equipment for stretchers and stretcher vehicles.

Background technique

Nowadays, rescue stretchers are developing rapidly. There are various types of rescue stretchers and stretcher carts, but the equipment that can transport patients on stairs and steps is only a stretcher that is carried by manpower. This kind of stretcher is more labor-intensive and has a low safety factor. It is likely that the patient's secondary injury will be caused by the patient's overweight and the lack of physical strength of the stretcher bearer. In summary, there are the following defects: low transportation efficiency, low safety factor, poor patient comfort, and potential danger to medical staff .

Contents of the invention

In order to overcome the deficiencies of the existing rescue stretchers, such as low transport efficiency, low safety factor, poor patient comfort, and potential danger to medical personnel, the utility model provides a stretcher with improved transport efficiency, high safety factor, and good patient comfort. A multifunctional stair stretcher that enhances the safety of medical staff.

The technical scheme that the utility model solves its technical problem adopts is:

A multi-functional stair stretcher vehicle, comprising a recliner structure, the recliner structure includes a front cushion, a middle cushion and a rear cushion, the rear of the front cushion is hinged to the front of the middle cushion, and the stretcher trolley also includes a An X-shaped intermediate support frame, the intermediate support frame includes a support rod, a front telescopic rod, a rear telescopic rod, a first left link, a second left link, a first right link, a second right link, a middle link A rod, a front connecting rod and a rear connecting rod, a front telescopic rod is installed on the front of the support rod, and a rear telescopic rod is installed on the rear of the support rod;

The middle parts of the first left link and the second left link are hinged with the left end of the middle link, and the middle parts of the first right link and the second right link are hinged with the right end of the middle link. Hinged, the lower end of the first left connecting rod is fixedly connected with the left end of the rear connecting rod, the lower end of the first right connecting rod is fixedly connected with the right end of the rear connecting rod, and the rear track wheel is installed on the rear connecting rod. The upper end of the first left link and the upper end of the first right link are hinged to both sides of the front end of the support rod; the lower end of the second left link is fixedly connected to the left end of the front link, and the second The lower end of the right connecting rod is fixedly connected with the right end of the front connecting rod, the upper end of the second left connecting rod and the upper end of the second right connecting rod are respectively hinged with the rear end of the support rod, and the upper end of the front connecting rod is Install front track wheels;

The upper part of the second left connecting rod and the second right connecting rod is provided with a first auxiliary rod, the first auxiliary rod is located above the middle connecting rod, and one end of the first auxiliary rod and the horizontal adjustment air pressure rod Fixed connection, the other end of the horizontal adjustment air pressure rod is hinged with the bottom front side of the middle back cushion; the front connecting rod is fixedly connected with one end of the supporting adjustment air pressure rod, the first left connecting rod and the first right connecting rod The upper part of the rod is provided with a second auxiliary rod, the second auxiliary rod is located above the middle connecting rod, and the other end of the support adjustment air pressure rod is hinged with the second auxiliary rod; the second left connecting rod and the upper part of the second right connecting rod are provided with a horizontal shaft, the horizontal shaft is located above the first auxiliary rod, the front bottom of the back cushion and the rear bottom of the middle back cushion are hinged on the horizontal both ends of the shaft.

Further, the upper parts of the first left connecting rod and the first right connecting rod are both hinged to the locking rod, the rear of the locking rod is provided with a toothed buckle, and the first auxiliary rod is provided with a Overhang.

Still further, the horizontal adjustment air pressure rod and the support adjustment air pressure rod are linked with the handle through the pull wire, and the handle is installed on the rear telescopic rod.

Furthermore, front universal wheels are installed on the bottom of the front end of the front telescopic rod.

The middle and lower part of the back cushion is hinged on the upper end of the buckle, and the rear end of the middle back cushion is provided with a card seat for the buckle to insert.

The technical concept of the utility model is: use the crawler belt to meet the requirements of the stretcher vehicle running on the stairs and steps, the crawler belt mechanism, the friction force between the trapezoidal teeth on the crawler belt and the steps, drive the rotation of the crawler belt through the bearing, so that the stretcher vehicle March on the ladder. The air pressure rod uses its quick release structure and the locking force that meets the stress to release the stretcher quickly and adjust the height quickly. The recliner mechanism, the center of gravity of the human body is on the support rod, forming a The hinge structure is connected with a suitable air rod at one end of the mechanism to perform the rotation adjustment function of the seat.

The beneficial effects of the utility model are mainly manifested in: improving transport efficiency, high safety factor, good patient comfort, and enhancing the safety of medical staff.

Description of drawings

Fig. 1 is the overall structural diagram of multifunctional stair stretcher trolley.

Fig. 2 is a schematic diagram of the stretcher in a retracted state.

Fig. 3 is a schematic diagram of the intermediate support frame.

Fig. 4 is a structural schematic diagram of the intermediate support frame and the locking rod.

Fig. 5 is a schematic diagram of the connection relationship between the back cushion and the middle cushion.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Figures 1 to 5, a multifunctional stair stretcher vehicle includes a recliner structure 8, the recliner structure includes a front cushion, a middle cushion and a rear cushion, the rear of the front cushion is hinged to the front of the middle cushion , the rear part of the middle back cushion is hinged with the front part of the back cushion, and the stretcher trolley also includes an X-shaped middle support frame, and the middle support frame includes a support rod, a front telescopic rod 9, and a rear telescopic rod 10 , the first left connecting rod, the second left connecting rod, the first right connecting rod, the second right connecting rod, the middle connecting rod, the front connecting rod and the rear connecting rod, the front telescopic rod 9 is installed on the front of the support rod, A rear telescopic rod 10 is installed at the rear of the support rod;

The middle parts of the first left link and the second left link are hinged with the left end of the middle link, and the middle parts of the first right link and the second right link are hinged with the right end of the middle link. Hinged, the lower end of the first left connecting rod is fixedly connected to the left end of the rear connecting rod, the lower end of the first right connecting rod is fixedly connected to the right end of the rear connecting rod, and the rear track wheel 3 is installed on the rear connecting rod, The upper end of the first left link and the upper end of the first right link are hinged to both sides of the front end of the support rod; the lower end of the second left link is fixedly connected to the left end of the front link, and the first The lower ends of the two right connecting rods are fixedly connected to the right ends of the front connecting rods, the upper ends of the second left connecting rod and the upper ends of the second right connecting rods are respectively hinged with the rear ends of the support rods, and the front connecting rods Front track wheel 5 is installed on the top;

The upper part of the second left connecting rod and the second right connecting rod is provided with a first auxiliary rod 11, and the first auxiliary rod 11 is located above the middle connecting rod, and the first auxiliary rod 11 is connected with the horizontal adjustment air pressure. One end of the rod 7 is fixedly connected, and the other end of the horizontal adjustment air pressure rod 7 is hinged with the bottom front side of the middle back cushion; the front connecting rod is fixedly connected with one end of the support adjustment air pressure rod 4, and the first left connecting rod The upper part of the rod and the first right connecting rod is provided with a second auxiliary rod 12, and the second auxiliary rod 12 is located below the middle connecting rod, and the other end of the support adjustment air pressure rod 4 is connected with the second auxiliary rod. 12 is hinged; the upper part of the second left connecting rod and the second right connecting rod is provided with a transverse axis 13, and the transverse axis 13 is located above the first auxiliary rod 11, and the front bottom of the rear cushion and the The rear bottom of the back cushion is hinged at both ends of the transverse axis.

The upper parts of the first left connecting rod and the first right connecting rod are all hinged to the locking rod 2, the rear of the locking rod 2 is provided with a toothed buckle, and the horizontal shaft 13 is provided with an outer ring that cooperates with the toothed buckle. Stretch. The horizontal adjustment air pressure rod 7 and the support adjustment air pressure rod 4 are linked with the handle 1 through a pull wire, and the handle 1 is installed on the rear telescopic rod 10 . The bottom of the front end of the front telescopic link 9 is equipped with the front universal wheel 6. The middle and lower part of the back cushion is connected to the upper end of the buckle 14 to form a hinge, and the rear end of the middle back cushion is provided with a bay for the buckle 14 to insert.

Fig. 2 is the original state of the stretcher trolley, which is shrunk to a portable state. At this time, the medical staff can carry out short-distance patient transfer through the front shrink rod 9 and the rear shrink rod 10, or through the front universal wheel 6, Lift the rear contraction rod 10 by a medical staff, and the patient is pulled and transported obliquely.

Through the release of the locking handle 1, the controllable support air pressure rod 7 will be axially displaced rapidly. At this time, as long as the front and rear ends of the medical staff are slightly assisted to lift, the stretcher can be released from the contracted state to the state shown in Figure 2. When adjusted to a suitable position, release the handle 1, the air pressure lever 7 will automatically lock itself, and has a large self-locking force, which will not be offset by external force. Locking protection is carried out at a high level to increase reliability and improve safety factor.

Adjust the front crawler wheel structure 5 of the stretcher, lift and rotate through the front telescopic rod 9, when the wheels touch the ground, it is convenient to run on the flat ground, through 2 universal wheels and 2 directional wheels, a medical staff can move When the stretcher cart is pushed, since there are 4 wheels at the front end, it only needs to lift the rear retractable rod 10 slightly, the principle is the same as that of a trolley, and it can move quickly. The frictional force of crawler wheel 3 and ground just can brake and stop.

When encountering stairs and stairs, adjust the front track wheels 5 until the tracks touch the ground as shown in Figure 2. The front track wheels 5 first contact the steps, and through the implementation of the medical staff, all four track structures touch the stairs, and the tracks pass through the inner structure. Bearings, the reaction force of the steps, and the gravity of the patient and the stretcher cart move steadily along the steps. In order to keep the patient level at all times, open the release handle and release the level adjustment air pressure lever 7. Since the patient's center of gravity is supported by the leaning mechanism Near the bar, using the principle of leverage, only a small force is needed, so the patient can be rotated by the force of the adjustable air bar to the state as shown in Figure 1. Utilize the air spring principle of horizontally adjusting the air pressure rod 7 to absorb the vibration of leaning against during operation. When the stretcher trolley runs to the corner, you only need to lift the rear telescopic rod 10 a little, let the front universal wheel 6 touch the ground, turn, then put it down, let the front crawler wheel 5 touch the ground, and continue to go down a section of stairs. It saves space for running in a narrow space, and also reduces the friction loss on the track wheels.

For patients who cannot lie flat, when the stretcher is in the state of Fig. 1, it is only necessary to rotate the wheels of the front track wheels 5 to the ground, lift the rear telescopic rod 10, and make the front universal wheels 6 touch the ground, and pass The 6 wheels are on the ground, allowing the patient to lean against the transport, which is more labor-saving and stable than the cable-stayed operation in the retracted state of the front stretcher.

On the basis of the patient leaning on the transport structure above, by releasing the horizontal adjustment lever 7, the front end of the leaning mechanism 8 is rotated down, and the front buckle is stuck on the shaft of the front track wheel 5, and the rear of the leaning structure and the X support frame The support frame forms a triangular structure, and by the 4 wheels of the front crawler wheels, the stretcher can be converted to the wheelchair state, allowing the patient to sit and transfer, and put down the rear retractable rod 10 when advancing, so that it can be better exerted when pushing.

The functional description of the stretcher trolley above is an application description to the novel stretcher trolley. Certain modifications or supplements can be made to the design through actual operation corrections and adjustments to details without departing from the spirit of the new design or exceeding the scope defined in the appended claims.

Claims (5)

1. multifunctional stairway stretcher, comprise the chaise longue structure, described chaise longue structure comprises preceding back cushion, middle back cushion and backrest cushion, the rear portion of back cushion and described middle back cushion is anterior hinged before described, it is characterized in that: described stretcher also comprises the intermediate support beam that is X-shaped, described intermediate support beam comprises support bar, front stretching bar, rear telescopic rod, the first left connecting rod, the second left connecting rod, first right connecting rod, second right connecting rod, mid link, front rod and back link, the front stretching bar is installed in the front portion of described support bar, and rear telescopic rod is installed at the rear portion of described support bar;

The middle part of the described first left connecting rod and the second left connecting rod is all hinged with the left end of described mid link, the middle part of described first right connecting rod and second right connecting rod is all hinged with the right-hand member of described mid link, fixedly connected with the left end of back link in the lower end of the described first left connecting rod, fixedly connected with the right-hand member of back link in the lower end of described first right connecting rod, the back Athey wheel is installed on the described back link, and the both sides of the upper end of the upper end of the described first left connecting rod and first right connecting rod and the front end of described support bar are hinged; Fixedly connected with the left end of front rod in the lower end of the described second left connecting rod, fixedly connected with the right-hand member of described front rod in the lower end of described second right connecting rod, the upper end of the upper end of the described second left connecting rod and second right connecting rod is hinged with the rear end of described support bar respectively, Athey wheel before installing on the described front rod;

The top of the described second left connecting rod and second right connecting rod is provided with first auxiliary rod, described first auxiliary rod is positioned at the top of described mid link, described first auxiliary rod is fixedlyed connected with an end of horizontal adjustment atmospheric pressure pole, and the front side, bottom of the other end of described horizontal adjustment atmospheric pressure pole and described middle back cushion is hinged; Described front rod is fixedlyed connected with an end that supports the adjusting atmospheric pressure pole, the top of the described first left connecting rod and first right connecting rod is provided with second auxiliary rod, described second auxiliary rod is positioned at the top of described mid link, and the other end and described second auxiliary rod of described support adjusting atmospheric pressure pole are hinged; The top of the described second left connecting rod and second right connecting rod is provided with transverse axis, and described transverse axis is positioned at the top of described first auxiliary rod, and the bottom, front side of described backrest cushion and the bottom rear of described middle back cushion all are hinged on the two ends of described transverse axis.

2. multifunctional stairway stretcher as claimed in claim 1, it is characterized in that: all hinged check lock lever in the top of the described first left connecting rod and first right connecting rod, the rear of described check lock lever is provided with the tooth button, and described first auxiliary rod is provided with overhanging section that cooperates with described tooth button.

3. multifunctional stairway stretcher as claimed in claim 1 or 2 is characterized in that: described horizontal adjustment atmospheric pressure pole and support are regulated atmospheric pressure pole by backguy and handle interlock, and described handle is installed on the described rear telescopic rod.

4. multifunctional stairway stretcher as claimed in claim 1 or 2 is characterized in that: the front bottom end of described front stretching bar is installed preposition universal wheel.

5. multifunctional stairway stretcher as claimed in claim 1 or 2 is characterized in that: described backrest cushion middle and lower part is hinged on the buckle upper end, and the rear end of described middle back cushion is provided with the deck that inserts for buckle.

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