CN113476222B - Shock-absorbing stretcher for medical critical patients - Google Patents

Abstract

The invention discloses a shock-absorbing stretcher bed for medical critical illness, belonging to the technical field of medical equipment, comprising a bottom plate, a plurality of shock-absorbing support units arranged on the bottom plate, and a shock-absorbing support unit for separately fixing the shock-absorbing support units. a locking device; the support plate is connected to a torsion buffer device through a support link, the support plate is buffered by a torsion buffer device when subjected to a torsional force, and the bottom of the torsion buffer device is connected to the bottom plate through a vertical buffer device, When the support plate is subjected to a vertical force, it is buffered by a vertical buffer device. The support plates of a plurality of shock-absorbing support units are linearly arrayed above the bottom plate to form a support surface for supporting the patient. They are connected to each other by a flexible connecting device. The device of the present invention can adjust the state according to the actual situation of the patient, so as to avoid secondary injury caused by forcibly moving the body, so as to meet the needs of patients with different injuries.

Description

A shock-absorbing stretcher bed for medical critical illness

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a shock-absorbing stretcher bed for medical critical patients.

Background technique

There are various styles of stretcher beds, among which the bed board of the stretcher bed is designed differently, and for different patients, the bed board design is also different, usually designed with foldable, heated, deodorized and so on. For the field of medical critical illness, individual patients need to maintain a relatively fixed posture before being sent to the hospital or for treatment through a stretcher bed. Forcibly lying on a flat stretcher can easily cause secondary injuries. Therefore, it is urgent to provide a medical critical illness. The shock-absorbing stretcher bed can avoid the above situation.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a shock absorbing stretcher bed for medical critical illness, which can adjust the state according to the actual situation of the patient, so as to avoid the secondary injury caused by forcibly moving the body, so as to meet the needs of patients with different injuries.

To achieve the above object, the present invention provides the following technical solutions:

The shock-absorbing stretcher bed for medical critical illness of the present invention includes a bottom plate, a plurality of shock-absorbing support units arranged on the bottom plate, and a locking device for fixing the shock-absorbing support units individually; the shock-absorbing support unit It includes a support plate, a support link, a torsion buffer device and a vertical buffer device, the support plate is connected to the torsion buffer device through the support link, the support plate is buffered by the torsion buffer device when subjected to torsional force, the torsion The bottom of the buffer device is connected to the bottom plate through a vertical buffer device, the support plate is buffered by the vertical buffer device when subjected to a vertical force, and the support plates of a plurality of shock-absorbing support units are linearly arrayed above the bottom plate to form A support surface for supporting a patient, and each support plate is connected to each other by a flexible connecting device.

Further, the torsion buffering device includes a mandrel, an annular friction component fixedly sleeved on the mandrel, a rotating ring and a pressing end cover, the rotating ring is connected to the supporting plate through a supporting link, and the The rotating ring is located between the two annular friction assemblies and is in frictional contact with the annular friction assemblies, the compression end cap presses the two annular friction assemblies, and the support plate drives the rotating ring to rotate through the support link , the friction between the rotating ring and the annular friction component realizes buffering and energy dissipation.

Further, the annular friction component includes a steel outer ring and a rubber inner ring fixedly arranged on the inner side of the steel outer ring, the length of the rubber inner ring is greater than the length of the steel outer ring, and the two connected annular friction components pass through The rubber inner ring abuts, the pressing end cap is threadedly connected with the mandrel and is pressed against the rubber inner ring by the end of the pressing end cap, and the outer surface of the steel outer ring is provided with a The annular friction groove matched with the rotating ring is provided with an elastic reset device for resetting the rotating ring.

Further, a stopper is provided at the bottom of the annular friction groove, the elastic reset device includes a spring, the spring is fitted in the annular friction groove, and the two ends of the spring are respectively connected with the stopper and the rotation. Ring fixed connection.

Further, the vertical buffer device includes a support and an air spring, the upper part of the support is fixedly connected with the mandrel, and the lower end of the support is connected to the bottom plate through the air spring.

Further, the bottom plate is provided with a mounting hole for fitting with the air spring.

Further, a universal wheel is installed on the bottom of the bottom plate.

Further, the flexible connection device includes a rubber connection belt, the rubber connection belt is longitudinally arranged on the bottom of the support plate along the bottom plate, and is respectively fixedly connected with each support plate.

Further, the locking device includes a pin shaft, a side bracket and a nut, the pin shaft is fixed on the end of the support plate, and the side bracket is provided with a vertical through slot matched with the pin shaft, so The nut is threadedly connected with the pin and presses the side bracket against the end of the support plate, and the side bracket is slidably matched with the bottom plate.

Further, the side bracket is Z-shaped, and the bottom plate is provided with a longitudinal slot matched with the side bracket.

The beneficial effects of the present invention are:

The shock-absorbing stretcher bed for medical critical illness of the present invention has several shock-absorbing support units arranged on the bottom plate. During the process of the patient lying down, the position of the support plate changes due to the deformation of the torsional buffer device and the vertical buffer device, and finally shock absorption The support unit locks the shock-absorbing support unit through the locking device, and supports the patient in a fixed state, so that the entire support surface can be adjusted according to the actual situation of the patient, avoiding secondary injuries caused by forcibly moving the body, so as to adapt to different injuries. patients' needs.

In the device of the present invention, the support plate is buffered by a torsional buffer device when subjected to a torsional force, and the support plate is buffered by a vertical buffer device when subjected to a vertical force, so that the patient has a certain degree of comfort when lying down. The cushioning effect reduces the injury of the patient and makes it easier to lie in the device of the invention. The supporting plates are connected to each other through a flexible connecting device, which is used to limit the position of the supporting plates and prevent their excessive and irregular movements. instability problem.

Other advantages, objects, and features of the present invention will be set forth in the description that follows, and to the extent that one skilled in the art may or may learn it from the practice of the present invention. The objectives and other advantages of the present invention may be realized and attained by the following description.

Description of drawings

In order to make the purpose, technical solutions and beneficial effects of the present invention clearer, the present invention provides the following drawings for description:

Fig. 1 is the structural representation one of the stretcher bed of the present invention;

Fig. 2 is the structural representation two of the stretcher bed of the present invention;

Fig. 3 is the side view of the stretcher bed of the present invention;

FIG. 4 is a schematic structural diagram of a shock-absorbing support unit;

5 is a schematic structural diagram of an annular friction assembly;

Fig. 6 is the front view of the stretcher bed of the present invention;

FIG. 7 is a schematic diagram of the position change of the support plate.

The symbols in the drawings are as follows: base plate 1, shock-absorbing support unit 2, support plate 21, support rod 22, torsional buffer device 23, mandrel 231, annular friction assembly 232, steel outer ring 2321, rubber inner ring 2322, annular Friction groove 2323, stop block 2324, spring 2325, rotating ring 233, pressing end cover 234, vertical buffer device 24, support 241, air spring 242, mounting hole 243, locking device 3, pin 31, side part Bracket 32 , nut 33 , vertical through slot 34 , flexible connection device 4 , universal wheel 5 , longitudinal slot 6 .

Detailed ways

As shown in FIGS. 1-3 , the shock-absorbing stretcher bed for medical critical illness of the present invention includes a base plate 1 , a plurality of shock-absorbing support units 2 arranged on the base plate 1 , and used to separate the shock-absorbing support units 2 The fixed locking device 3; the bottom plate 1 is in the shape of a rectangular plate with a length of about 2m. The shock-absorbing support unit 2 includes a support plate 21, a support link 22, a torsion buffer device 23 and a vertical buffer device 24. The support plate 21 includes inclined plates arranged on both sides, which are used to limit the position of the patient on the side and prevent the patient from rolling down. The support plate 21 is connected to the torsion buffer device 23 through the support link 22. The bottom of the torsional buffer device 23 is connected to the bottom plate 1 through the vertical buffer device 24, and the support plate 21 is buffered by the vertical buffer device 24 when it is subjected to vertical force. The support plates 21 of the shock-absorbing support unit 2 are linearly arrayed above the bottom plate 1 to form a support surface for supporting the patient. Too close to prevent the patient from being pinched, the support plates 21 are connected to each other through a flexible connection device 4, which is used to limit the position of the support plates 21 to prevent instability caused by excessive and irregular movement.

The shock-absorbing stretcher bed for critical illness in the present invention has several shock-absorbing support units 2 arranged on the bottom plate 1. During the process of the patient lying down, the deformation of the torsional buffer device 23 and the vertical buffer device 24 causes the position of the support plate 21 to change. Finally, the shock-absorbing support unit 2 locks the shock-absorbing support unit 2 through the locking device 3, and supports the patient in a fixed state, so that the entire support surface can be adjusted according to the actual situation of the patient, avoiding the secondary caused by forcibly moving the body. injury, so as to be able to adapt to the needs of patients with different injuries.

In the device of the present invention, the support plate 21 is buffered by the torsional buffer device 23 when subjected to a torsional force, and the support plate 21 is buffered by the vertical buffer device 24 when subjected to a vertical force, so that the patient can lie down It has a certain buffering effect when it comes to reducing the injury of the patient, making it easier to lie in the device of the invention, and the supporting plates 21 are connected to each other through a flexible connecting device 4 .

In this embodiment, as shown in FIGS. 4-5 , the torsion buffer device 23 includes a mandrel 231 , an annular friction component 232 fixedly sleeved on the mandrel 231 , a rotating ring 233 and a pressing end cover 234 . The rotating ring 233 is connected to the supporting plate 21 through the supporting link 22, and the middle part of the supporting link 22 is bent, which is more beneficial to transmit the force to the annular friction component 232 in the tangential direction. The rotating ring 233 is located at two The annular friction components 232 are in frictional contact with the annular friction components 232, and energy is dissipated through friction. The compression end cover 234 compresses the two annular friction components 232 to prevent the rotating ring 233 from coming out. The support plate 21 drives the rotating ring 233 to rotate through the support link 22, and the friction between the rotating ring 233 and the annular friction component 232 realizes buffering and energy consumption.

In this embodiment, the annular friction component 232 includes a steel outer ring 2321 and a rubber inner ring 2322 fixedly arranged inside the steel outer ring 2321 . The axial length of the rubber inner ring 2322 is greater than that of the steel outer ring 2321 Axial length, so that the two connected annular friction components 232 can be abutted by the rubber inner ring 2322, and by adjusting the pressing force of the pressing end cover 234, the distance between the annular friction components 232 can be adjusted, thereby adjusting the rotating ring The friction force between 233 and the annular friction component 232 is suitable for the needs of different sensitivities. The pressing end cap 234 is threadedly connected with the mandrel 231 and is pressed against the rubber inner ring 2322 by the end of the pressing end cap 234. The annular friction groove 2323 is matched with the ring 233. When the rotating ring 233 rotates in the annular friction groove 2323, friction is generated between the outer steel ring 2321 to dissipate energy. The annular friction groove 2323 is provided with a function to reset the rotating ring 233 The elastic reset device is used to drive the rotating ring 233 to return to its original position after releasing the locking device 3 to ensure the original state of the support plate 21 .

In this embodiment, a stopper 2324 is provided at the bottom of the annular friction groove 2323. When the support plate 21 is in a horizontal position, the baffle is located at the bottom middle position of the annular friction groove 2323. The elastic reset device includes a spring 2325, so The spring 2325 is fitted in the annular friction groove 2323, and its shape is adapted to the annular friction groove 2323. The ring 233 provides an annular restoring force, and the spring 2325 can be limited by the annular friction groove 2323, so that the entire device is more stable during use.

In this embodiment, as shown in FIG. 6 , the vertical buffer device 24 includes a support 241 and an air spring 242. The air spring 242 can provide a restoring force as well as a certain buffer force, and the installation is simple and quick, so the The upper part of the support 241 is fixedly connected with the mandrel 231 , and the lower end of the support 241 is connected to the base plate 1 through an air spring 242 .

In this embodiment, the bottom plate 1 is provided with an installation hole 243 for fitting with the air spring 242 , and the lower part can be fixedly connected with the bottom of the installation hole 243 , so that the installation is more stable. A universal wheel 5 is installed on the bottom of the base plate 1 for easy movement.

In this embodiment, as shown in FIG. 7 , the flexible connecting device 4 includes a rubber connecting belt, and the rubber connecting belt is longitudinally arranged on the bottom of the support plate 21 along the bottom plate 1 and passes between the screws and the support plates 21 respectively. For fixed connection, the rubber connection belt can be deformed correspondingly according to the position change of each support plate 21, and can always play a connection role. They are connected to each other through a flexible connecting device 4, which is used to limit the position of the support plate 21 to prevent the instability problem caused by its excessive and irregular movement.

In this embodiment, the locking device 3 includes a pin shaft 31 , a side bracket 32 and a nut 33 , the pin shaft 31 is fixed on the end of the support plate 21 , and the side bracket 32 is provided with the The vertical through groove 34 in which the pin shaft 31 is matched, the nut 33 is threadedly connected with the pin shaft 31 and presses the side bracket 32 against the end of the support plate 21 , the side bracket 32 and the bottom plate 1 Slip fit. The side brackets 32 are Z-shaped, and the bottom plate 1 is provided with a longitudinal slot 6 that cooperates with the side brackets 32. When the support plate 21 is deflected, the pin shaft 31 exerts a longitudinal force on the side brackets 32. The side bracket 32 can slide along the longitudinal groove 6 to adapt to its acting force, and the pin shaft 31 can slide vertically along the vertical through groove 34 during vertical shock absorption, and the vertical through groove 34 plays a certain role. guiding role.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should Various changes may be made in details without departing from the scope of the invention as defined by the claims.

Claims (9)

1. A shock-absorbing stretcher bed for medical critical illness, characterized in that it comprises a bottom plate, several shock-absorbing support units arranged on the bottom plate, and a locking device for separately fixing the shock-absorbing support units; the The shock-absorbing support unit includes a support plate, a support link, a torsion buffer device and a vertical buffer device, the support plate is connected to the torsion buffer device through the support link, and the support plate is buffered by the torsion buffer device when subjected to torsional force , the bottom of the torsional buffer device is connected to the bottom plate through a vertical buffer device, the support plate is punched by the vertical buffer device when subjected to a vertical force, and the support plates of a number of shock-absorbing support units are linearly arrayed on the The upper part of the bottom plate is used to form a support surface for supporting the patient. Each support plate is connected to each other by a flexible connecting device. The locking device includes a pin, a side bracket and a nut, and the pin is fixed to the support. At the end of the plate, the side bracket is provided with a vertical through slot matched with the pin shaft, the nut is threadedly connected with the pin shaft and presses the side bracket against the end of the support plate, the side bracket is The upper bracket is slidably matched with the bottom plate. 2 . The shock-absorbing stretcher bed for medical critical illnesses according to claim 1 , wherein the torsion buffer device comprises a mandrel, an annular friction component fixedly sleeved on the mandrel, a rotating ring and a pressing end. 3 . a cover, the rotating ring is connected to the support plate through a support link, the rotating ring is located between the two annular friction assemblies and is in frictional contact with the annular friction assemblies, and the pressing end cap pushes the two annular friction assemblies The annular friction assembly is pressed, the support plate drives the rotating ring to rotate through the support link, and the friction between the rotating ring and the annular friction assembly realizes buffering and energy consumption. 3. The shock-absorbing stretcher bed for medical critical illnesses according to claim 2, wherein the annular friction component comprises a steel outer ring and a rubber inner ring fixed inside the steel outer ring, the rubber inner ring The length of the steel outer ring is greater than that of the steel outer ring, the two connected annular friction components are abutted by the rubber inner ring, the pressing end cap is screwed with the mandrel and is pressed against the In the rubber inner ring, an annular friction groove matched with the rotating ring is formed on the outer surface of the steel outer ring, and an elastic reset device for resetting the rotating ring is arranged in the annular friction groove. 4 . The shock-absorbing stretcher bed for medical critical illness according to claim 3 , wherein a stopper is provided at the bottom of the annular friction groove, and the elastic restoring device comprises a spring, and the spring is fitted in the In the annular friction groove, both ends of the spring are respectively fixedly connected with the block and the rotating ring. 5 . The shock-absorbing stretcher bed for medical critical illnesses according to claim 2 , wherein the vertical buffer device comprises a support and an air spring, the upper part of the support is fixedly connected with the mandrel, and the The lower end of the support is connected to the base plate by an air spring. 6 . The shock-absorbing stretcher bed for medical critical illness according to claim 5 , wherein the bottom plate is provided with a mounting hole for fitting with the air spring. 7 . 7 . The shock-absorbing stretcher bed for medical critical illnesses according to claim 1 , wherein a universal wheel is installed on the bottom of the bottom plate. 8 . 8 . The shock-absorbing stretcher bed for medical critical illnesses according to claim 1 , wherein the flexible connecting device comprises a rubber connecting belt, and the rubber connecting belt is longitudinally arranged at the bottom of the support plate along the bottom plate and is respectively connected with each Fixed connection between support plates. 9 . The shock-absorbing stretcher bed for medical critical illnesses according to claim 1 , wherein the side supports are in a Z-shape, and the bottom plate is provided with a vertical support that cooperates with the side supports. 10 . groove.

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