CN109009698B - Shovel stretcher used in medical field - Google Patents

Abstract

The invention belongs to the technical field of stretchers, and in particular relates to a scoop stretcher used in the medical field. When the stretcher is used, first place the patient in the middle of the mounting frame, and then adjust the adjustment rod to rotate counterclockwise, the adjustment rod will drive the drive shaft to rotate, and the drive shaft will rotate the four shovels to merge, and the stretcher can be lifted at this time; After completion, the medical staff adjusts the adjustment rod so that the shovel moves to the outside of the installation frame along the corresponding arc-shaped guide groove opened on the installation frame; finally returns to the original position; it can be used again next time; The fixed frame of the scoop stretcher is one-piece, which increases the stability of the scoop stretcher; it avoids the traditional folding scoop stretcher, which may cause secondary damage to the patient because it is easily damaged.

Description

A scoop stretcher used in the medical field

technical field

The invention belongs to the technical field of stretchers, in particular to a scoop stretcher used in the medical field.

Background technique

With the development of science and technology, people's life is becoming more and more prosperous, and medical equipment is also constantly improving. Medical equipment finds its shortcomings and shortcomings in the process of use, and then improves and innovates it, which is more in line with people's needs. demand, it is more convenient and quick to use.

A stretcher is one of the common equipment in medical equipment. When a patient cannot walk on his own, suffer from internal serious injuries, fractures, etc. and cannot vibrate or move violently, a stretcher is often used to move the patient. composition. Different from the general stretcher, it can insert two shovel pieces under the patient's body respectively, and then lift it up after buckling. Minimize the secondary injury to the patient during the handling process. However, the general shovel stretcher is composed of two left and right shovels. During use, the two shovels can bear less pressure, and the frame of the shovel stretcher is generally foldable, which is easy to be damaged. Once damaged It may cause secondary injury to the patient; therefore, it is very necessary to design a more sturdy scoop stretcher.

The present invention designs a scoop stretcher used in the medical field to solve the above problems.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned defects in the prior art, the present invention discloses a scoop stretcher used in the medical field, which is realized by adopting the following technical solutions.

A shovel stretcher used in the medical field is characterized in that: it includes a stretcher handle, a shovel blade, a mounting frame, an adjusting rod, a driving shaft, a one-way support mechanism, a driving gear, a first support, a connecting shaft, a fixed support, a transmission Gears, arc-shaped guide grooves, installation grooves, connecting rods, and square blocks, wherein the installation frame is in the shape of a zigzag, and two sets of through-through arc-shaped guide grooves are symmetrically opened on both sides of the installation frame, two of which are located in the same group. The arc-shaped guide grooves are evenly distributed on the installation frame; the side of one end of the installation frame is provided with a through installation groove; the four stretcher handles are symmetrically installed on both ends of the installation frame in two groups, and the two stretchers in the same group The handles are symmetrical to each other on the mount.

The installation structures on both sides of the installation frame are exactly the same and symmetrical to each other. For any side of the installation structures on both sides of the installation frame, three square blocks are evenly installed on the drive shaft; the drive shaft is supported by three one-way support mechanisms. Installed on the side of the mounting frame, the three square blocks installed on the drive shaft cooperate with three one-way support mechanisms; two drive gears are symmetrically installed on both ends of the drive shaft; the shovel is arc-shaped, and the outer There are teeth on the arc surface; the two shovel blades are respectively installed on the installation frame through the cooperation with the corresponding arc-shaped guide grooves on the installation frame; the two shovel blades are respectively meshed with the two driving gears through the teeth on the Two connecting rods are installed between the two shovel blades; both ends of the two connecting rods are respectively installed on opposite sides of the two shovel blades; one of the two connecting rods is located on the inner side of the mounting frame, and the other is connected to the The rod is located on the outside of the mounting frame; one end of the transmission gear is a bevel end, the other end is a smooth end, the transmission gear is installed on the drive shaft, and is close to the installation slot opened on the mounting frame; the smooth end of the transmission gear is installed by a fixed support On the mounting bracket; the adjusting rod is mounted on one end of the drive shaft, close to the transmission gear.

Both ends of the connecting shaft have bevel teeth; the connecting shaft is installed in the installation slot opened on the mounting frame through the first support; mesh.

The above-mentioned one-way support mechanism includes a square groove, a one-way inner ring, a one-way outer ring, and a second support, wherein the one-way outer ring and the one-way inner ring form a one-way ring, and the one-way ring is installed on the second support through the second support. On the mounting frame; the one-way inner ring is provided with a square groove; the square groove on the one-way inner ring is matched with the square block installed on the drive shaft.

As a further improvement of the present technology, the above-mentioned one-way outer ring is fixedly installed on the second support by welding.

As a further improvement of the present technology, the above-mentioned square block is a square shape, and the width of the square block is equal to the width of the square groove opened on the one-way inner ring.

As a further improvement of the present technology, the diameter value of the inscribed circle of the square groove opened on the above-mentioned one-way inner ring is equal to the diameter value of the drive shaft.

As a further improvement of the present technology, the above-mentioned transmission gear is mounted on the fixed support through a bearing.

In the present invention, four stretcher handles are symmetrically installed on both ends of the mounting frame in pairs; the function of the stretcher handles is to allow medical staff to drive the stretcher through the stretcher handles.

In the present invention, both ends of the connecting shaft are provided with bevel teeth; the connecting shaft is installed in the installation slot opened on the mounting frame through the first support; The bevel tooth ends are meshed; when one of the two transmission gears rotates, the transmission gear drives the connecting shaft to rotate; the rotation of the connecting shaft drives the other transmission gear to rotate; the rotation of the other transmission gear drives the corresponding drive shaft to rotate.

In the present invention, three square blocks are evenly installed on the drive shaft; the drive shaft is installed on the side of the mounting frame through three one-way support mechanisms, and the three square blocks installed on the drive shaft cooperate with the three one-way support mechanisms; two The two drive gears are symmetrically installed on both ends of the drive shaft; the two shovel blades are respectively installed on the mounting frame through the cooperation with the corresponding arc-shaped guide grooves on the installation frame; the two shovel blades are connected to the two two drive gears are engaged; two connecting rods are installed between the two blades; two ends of the two connecting rods are respectively installed on opposite sides of the two blades; one of the two connecting rods is located on the mounting frame The inner side of the drive gear, and the other connecting rod is located on the outside of the mounting frame; one end of the transmission gear is a bevel end, the other end is a smooth end, the transmission gear is installed on the drive shaft, and is close to the installation slot opened on the installation frame; The smooth end is mounted on the mounting frame by a fixed support; the adjusting rod is mounted on one end of the drive shaft, close to the transmission gear; the one-way outer ring and the one-way inner ring form a one-way ring, which is installed by the second support On the mounting frame; there is a square groove on the one-way inner ring; the square groove on the one-way inner ring is matched with the square block installed on the drive shaft; when the square groove on the one-way inner ring matches the square block installed on the drive shaft When the square block is in the matching state, the medical staff adjusts the adjustment rod to rotate counterclockwise, the adjustment rod will drive the drive shaft to rotate, and the drive shaft rotates to drive the corresponding two drive gears to rotate; the rotation of the two drive gears will make the corresponding two shovel blades rotate. Move to the inner side of the installation frame along the corresponding arc-shaped guide groove opened on the installation frame; when the two blades move to the limit state, the four blades are just merged; in this state, the one-way outer ring pairs The corresponding one-way inner ring acts as a limit to prevent the reverse rotation of the one-way inner ring; the one-way inner ring will not rotate reversely, that is, the drive shaft will not rotate reversely; the drive shaft will not rotate reversely, that is, the drive The gear will not rotate in the reverse direction, that is, when the shovel blade is squeezed, the shovel blade will not move in the reverse direction; prevent the patient from falling due to the reverse movement of the shovel blade, and aggravate the patient's condition; after the use is completed, the medical staff will pull the adjustment The rod makes the adjustment rod drive the drive shaft to move; the drive shaft moves to drive the square block installed on it to move, and finally the square block installed on the drive shaft is separated from the square groove opened on the corresponding drive inner ring, and the reverse rotation is performed at this time. The adjustment rod makes the adjustment rod drive the drive shaft to rotate in the reverse direction; the reverse rotation of the drive shaft drives the corresponding two drive gears to rotate in the reverse direction; the reverse rotation of the two drive gears will make the corresponding two shovel blades along the mounting brackets. The opened corresponding arc guide groove moves to the outside of the mounting frame; finally, it returns to the original position.

Compared with the traditional stretcher technology, the scoop stretcher designed by the present invention inserts two scoop pieces under the patient's body and then lifts it up. Minimize the secondary injury caused to the patient during the handling process; at the same time, the fixed frame of the scoop stretcher designed by the present invention is integrated, which increases the stability of the scoop stretcher; avoids the traditional folding scoop stretcher. , because it is easily damaged, and may cause secondary injury to the patient.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the overall components.

Figure 2 is a schematic diagram of the overall component distribution.

FIG. 3 is a schematic plan view of the overall component distribution.

Figure 4 is a schematic diagram of the distribution of drive gears.

Figure 5 is a schematic diagram of the installation of the connecting shaft.

FIG. 6 is a schematic diagram of the structure of the mounting frame.

FIG. 7 is a schematic diagram of the distribution of arc guide grooves.

Figure 8 is a schematic diagram of the blade installation.

Figure 9 is a schematic diagram of the cooperation between the transmission gear and the connecting shaft.

Figure 10 is a schematic diagram of the cooperation between the transmission gear and the fixed support.

Figure 11 is a schematic diagram of the installation of the connecting rod.

Figure 12 is a schematic diagram of the cooperation between the blade and the drive gear.

Figure 13 is a schematic structural diagram of a one-way support mechanism.

Label names in the figure: 1, stretcher handle; 2, shovel blade; 3, mounting frame; 4, adjusting rod; 5, drive shaft; 6, one-way support mechanism; 7, drive gear; 8, first support; 9, Connecting shaft; 10, fixed support; 11, transmission gear; 12, arc guide groove; 13, installation groove; 14, connecting rod; 15, square block; 16, square groove; 17, one-way inner ring; 18, single Outward ring; 19, the second support.

Detailed ways

As shown in Figures 1 and 2, it includes a stretcher handle 1, a shovel 2, a mounting frame 3, an adjusting rod 4, a drive shaft 5, a one-way support mechanism 6, a drive gear 7, a first support 8, a connecting shaft 9, a fixed Support 10, transmission gear 11, arc guide groove 12, installation groove 13, connecting rod 14, square block 15, as shown in Fig. Two sets of through arc-shaped guide grooves 12 are symmetrically opened on both sides, and the two arc-shaped guide grooves 12 located in the same group are evenly distributed on the mounting frame 3; the side surface of one end of the mounting frame 3 is provided with a through mounting groove. 13; Four stretcher handles 1 are symmetrically installed on both ends of the mounting frame 3 in two groups, and the two stretcher handles 1 in the same group are symmetrical to each other on the mounting frame 3.

As shown in Figures 3 and 4, the installation structures on both sides of the mounting frame 3 are identical and symmetrical to each other. For any side of the structures installed on both sides of the mounting frame 3, as shown in Figure 12, the drive shaft 5 Three square blocks 15 are evenly installed; as shown in Figure 4, the drive shaft 5 is installed on the side of the mounting frame 3 through three one-way support mechanisms 6, as shown in Figure 5, the three square blocks installed on the drive shaft 5 The block 15 cooperates with three one-way support mechanisms 6; as shown in Figure 12, two drive gears 7 are symmetrically installed on both ends of the drive shaft 5; as shown in Figure 11, the blade 2 is arc-shaped, and the blade 2 There are teeth on the outer arc surface; as shown in Figure 8, the two shovel blades 2 are respectively installed on the installation frame 3 through the cooperation with the corresponding arc-shaped guide grooves 12 on the installation frame 3; as shown in Figure 12, the two Each blade 2 meshes with the two driving gears 7 through the teeth on it respectively; as shown in FIG. 11 , two connecting rods 14 are installed between the two blades 2 ; the two ends of the two connecting rods 14 are respectively installed On the opposite sides of the two shovel blades 2; as shown in Figure 1, one of the two connecting rods 14 is located on the inside of the mounting frame 3, and the other connecting rod 14 is located on the outside of the mounting frame 3; As shown in 9, one end of the transmission gear 11 is a bevel end, and the other end is a smooth end. As shown in FIG. 5, the transmission gear 11 is installed on the drive shaft 5, and is close to the installation slot 13 opened on the installation frame 3; As shown in FIG. 10 , the smooth end of the transmission gear 11 is installed on the mounting frame 3 through the fixed support 10 ; the adjusting rod 4 is installed at one end of the drive shaft 5 and is close to the transmission gear 11 .

As shown in FIG. 9, both ends of the connecting shaft 9 have bevel teeth; as shown in FIG. 2, the connecting shaft 9 is installed in the installation groove 13 opened on the mounting frame 3 through the first support 8; as shown in FIG. 9 , the two ends of the connecting shaft 9 are respectively meshed with the bevel teeth on the corresponding transmission gear 11 through the bevel teeth thereon.

As shown in FIG. 13 , the one-way support mechanism 6 includes a square groove 16 , a one-way inner ring 17 , a one-way outer ring 18 , and a second support 19 . As shown in FIG. 13 , the one-way outer ring 18 and the one-way inner ring The ring 17 forms a one-way ring, which is installed on the mounting frame 3 through the second support 19; the one-way inner ring 17 is provided with a square groove 16; the one-way inner ring 17 is installed on the inner side of the one-way outer ring 18 ; As shown in FIG. 5 , the square groove 16 on the one-way inner ring 17 is matched with the square block 15 mounted on the drive shaft 5 .

The above-mentioned one-way outer ring 18 is fixedly mounted on the second support 19 by welding.

The above-mentioned square block 15 is a square shape, and the width of the square block 15 is equal to the width of the square groove 16 opened on the one-way inner ring 17 .

The diameter value of the inscribed circle of the square groove 16 opened on the one-way inner ring 17 is equal to the diameter value of the drive shaft 5 .

The above-mentioned transmission gear 11 is mounted on the fixed support 10 through bearings.

In summary:

The scoop stretcher designed by the present invention inserts two scoop pieces 2 under the patient's body, and then lifts it up. Minimize the secondary injury caused to the patient during the handling process; at the same time, the fixed frame of the scoop stretcher designed by the present invention is integrated, which increases the stability of the scoop stretcher; avoids the traditional folding scoop stretcher. , because it is easily damaged, and may cause secondary injury to the patient.

In the present invention, four stretcher handles 1 are symmetrically installed on both ends of the mounting frame 3 in pairs;

In the present invention, both ends of the connecting shaft 9 have bevel teeth; the connecting shaft 9 is installed in the installation groove 13 opened on the mounting frame 3 through the first support 8; The bevel tooth end on the corresponding transmission gear 11 meshes; when one of the two transmission gears 11 rotates, the transmission gear 11 will drive the connection shaft 9 to rotate; the connection shaft 9 rotates to drive the other transmission gear 11 to rotate; The rotation of the other transmission gear 11 drives the corresponding drive shaft 5 to rotate.

In the present invention, three square blocks 15 are uniformly installed on the drive shaft 5; The one-way support mechanism 6 is matched; the two drive gears 7 are symmetrically installed on both ends of the drive shaft 5; The two shovels 2 mesh with the two drive gears 7 through their teeth respectively; two connecting rods 14 are installed between the two shovels 2; On the opposite sides of the sheet 2; one of the two connecting rods 14 is located on the inside of the mounting frame 3, and the other connecting rod 14 is located on the outside of the mounting frame 3; one end of the transmission gear 11 is a bevel end, and the other end For the smooth end, the transmission gear 11 is installed on the drive shaft 5, and is close to the installation groove 13 opened on the installation frame 3; the smooth end of the transmission gear 11 is installed on the installation frame 3 through the fixed support 10; the adjustment rod 4 is installed on the drive One end of the shaft 5, and is close to the transmission gear 11; the one-way outer ring 18 and the one-way inner ring 17 form a one-way ring, the one-way ring is installed on the mounting frame 3 through the second support 19; the one-way inner ring 17 There is a square groove 16 on it; the square groove 16 on the one-way inner ring 17 is matched with the square block 15 installed on the drive shaft 5; When the block 15 is in the matched state, the medical staff adjusts the adjustment rod 4 to rotate counterclockwise, the adjustment rod 4 will drive the drive shaft 5 to rotate, and the drive shaft 5 rotates to drive the corresponding two drive gears 7 to rotate; the rotation of the two drive gears 7 will make The corresponding two blades 2 move toward the inner side of the mounting frame 3 along the corresponding arc-shaped guide grooves 12 opened on the mounting frame 3; when the two blades 2 move to the limit state, the four blades 2 just merge In this state, the one-way outer ring 18 plays a limiting role on the corresponding one-way inner ring 17 to prevent the one-way inner ring 17 from rotating in the opposite direction; the one-way inner ring 17 will not rotate in the opposite direction, that is, the drive shaft 5 will not rotate in the reverse direction; the drive shaft 5 will not rotate in the reverse direction, that is, the driving gear 7 will not rotate in the reverse direction, that is, when the blade 2 is squeezed, the blade 2 will not move in the reverse direction; 2. It moves in the opposite direction and falls, aggravating the patient's condition; after the use is completed, the medical staff pulls the adjusting rod 4 so that the adjusting rod 4 drives the drive shaft 5 to move; the drive shaft 5 moves to drive the square block 15 installed on it to move, and finally The square block 15 installed on the drive shaft 5 is disengaged from the square groove 16 opened on the corresponding drive inner ring. At this time, the adjustment rod 4 is reversely rotated so that the adjustment rod 4 drives the drive shaft 5 to rotate in the reverse direction; the drive shaft 5 is reversed. The rotation drives the corresponding two driving gears 7 to rotate in the reverse direction; the reverse rotation of the two driving gears 7 will cause the corresponding two shovel blades 2 to move toward the installation frame along the corresponding arc-shaped guide grooves 12 opened on the installation frame 3 3 moves to the outside; finally returns to the original position.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS: When using the stretcher designed by the present invention, first place the patient in the middle of the mounting frame 3, then adjust the adjusting rod 4 to rotate counterclockwise, the adjusting rod 4 will drive the drive shaft 5 to rotate, and the drive shaft 5 rotates to drive the corresponding two The two driving gears 7 rotate; the rotation of the two driving gears 7 will cause the corresponding two shovel blades 2 to move to the inner side of the mounting frame 3 along the corresponding arc-shaped guide grooves 12 opened on the mounting frame 3; When the piece 2 moves to the limit state, the four shovel pieces 2 are just merged; at this time, the stretcher can be lifted; after the use is completed, the medical staff pulls the adjustment rod 4 so that the adjustment rod 4 drives the drive shaft 5 to move; the drive shaft 5 moves to drive the The square block 15 installed on it moves, and finally the square block 15 installed on the drive shaft 5 is separated from the square groove 16 opened on the corresponding drive inner ring. At this time, the adjusting rod 4 is rotated in the opposite direction so that the adjusting rod 4 drives the drive The shaft 5 rotates in the reverse direction; the reverse rotation of the drive shaft 5 drives the corresponding two drive gears 7 to rotate in the reverse direction; the reverse rotation of the two drive gears 7 causes the corresponding two blades 2 to open along the The corresponding arc-shaped guide groove 12 moves to the outside of the mounting frame 3; finally, it returns to the original position; it can be used again next time.

Claims (5)

1. The utility model provides a shovel stretcher that medical field used which characterized in that: the stretcher comprises a stretcher handle, a shovel blade, an installation frame, an adjusting rod, a driving shaft, a one-way supporting mechanism, a driving gear, a first support, a connecting rotating shaft, a fixed support, a transmission gear, an arc-shaped guide groove, an installation groove, a connecting rod and a square block, wherein the installation frame is shaped like a Chinese character hui, two groups of communicated arc-shaped guide grooves are symmetrically formed in two side surfaces of the installation frame, and two arc-shaped guide grooves in the same group are uniformly distributed on the installation frame; a through mounting groove is formed in the side face of one end of the mounting frame; the four stretcher handles are symmetrically arranged at two ends of the mounting frame in a group of two stretcher handles, and the two stretcher handles in the same group are mutually symmetrical on the mounting frame;

the mounting structures on the two sides of the mounting rack are completely identical and are mutually symmetrical, and three square blocks are uniformly mounted on the driving shaft for any one of the mounting structures on the two sides of the mounting rack; the driving shaft is arranged on the side surface of the mounting frame through three one-way supporting mechanisms, and three square blocks arranged on the driving shaft are matched with the three one-way supporting mechanisms; the two driving gears are symmetrically arranged at two ends of the driving shaft; the shovel blade is arc-shaped, and teeth are arranged on the outer arc surface of the shovel blade; the two shovel pieces are respectively installed on the installation rack through matching with the corresponding arc-shaped guide grooves on the installation rack; the two shovel blades are respectively meshed with the two driving gears through teeth on the shovel blades; two connecting rods are arranged between the two shovel sheets; two ends of the two connecting rods are respectively arranged on two opposite side surfaces of the two shovel pieces; one of the two connecting rods is positioned on the inner side of the mounting rack, and the other connecting rod is positioned on the outer side of the mounting rack; one end of the transmission gear is a bevel gear end, the other end of the transmission gear is a smooth end, and the transmission gear is arranged on the driving shaft and is close to the mounting groove formed in the mounting rack; the smooth end of the transmission gear is arranged on the mounting rack through a fixed support; the adjusting rod is arranged at one end of the driving shaft and is close to the transmission gear;

both ends of the connecting rotating shaft are provided with bevel teeth; the connecting rotating shaft is arranged in an installation groove formed in the installation frame through a first support; two ends of the connecting rotating shaft are respectively meshed with the bevel gear ends on the corresponding transmission gears through the bevel gears on the connecting rotating shaft;

the unidirectional support mechanism comprises a square groove, a unidirectional inner ring, a unidirectional outer ring and a second support, wherein the unidirectional outer ring and the unidirectional inner ring form a unidirectional ring which is arranged on the mounting frame through the second support; a square groove is formed on the unidirectional inner ring; the square groove on the one-way inner ring is matched with the square block arranged on the driving shaft.

2. The shovel stretcher for use in the medical field according to claim 1, characterized in that: the one-way outer ring is fixedly arranged on the second support in a welding mode.

3. The shovel stretcher for use in the medical field according to claim 1, characterized in that: the square block is square, and the width of the square block is equal to the width of the square groove formed in the one-way inner ring.

4. The shovel stretcher for use in the medical field according to claim 1, characterized in that: the diameter value of the inscribed circle of the square groove formed in the one-way inner ring is equal to the diameter value of the driving shaft.

5. The shovel stretcher for use in the medical field according to claim 1, characterized in that: the transmission gear is arranged on the fixed support through a bearing.

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