Automatic sterile sheet laying and replacing device for medical examination bed surface

Abstract

The present application relates to the technical field of medical examination, disclose a kind of medical examination bed surface sterile single automatic laying, replacement device, including front bed board and rear bed board, bed mattress is arranged between the front bed board and rear bed board, front slide rail and rear slide rail are respectively arranged in the inner wall of front bed board and rear bed board, second replacement drive shell and first replacement drive shell are respectively slidably installed in the inner of front slide rail and rear slide rail, bottom box is installed at the bottom of bed mattress, reciprocating transport structure is arranged in the inner wall of bottom box, and the bed sheet clamp of equidistant distribution is driven to make circular movement by reciprocating transport structure.The present application is favorable for quickly completing the feeding work of sterile single, effectively reduces the preparation time of changing bed sheet, while it is favorable for continuously replacing bed sheet, and the changed bed sheet is concentrated.

Description

Technical Field

[0001] This invention relates to the field of medical examination technology, specifically to an automatic device for laying and replacing sterile sheets on a medical examination bed. Background Technology

[0002] During medical examinations, especially ultrasound examinations, patients need to lie flat and expose their chest, abdomen, or back. On the same day, dozens to hundreds of people are examined, which leads to the risk of indirect contact and cross-infection. The risk of infection increases sharply, especially when patients have skin diseases.

[0003] There is an existing Chinese patent (publication number: CN211658580U) and a roller-type automatic bed sheet changing device. This patent uses a collection cylinder, a transmission belt, and a motor to automatically change the bed sheet under the drive of the transmission belt, avoiding the need for manual bed sheet changing and ensuring simple and quick bed sheet changing, thereby improving the efficiency of bed sheet changing and enhancing the rationality and feasibility of the device. However, since the collection cylinder contains bed sheets, medical staff still need to manually roll each bed sheet into the collection cylinder, which wastes a lot of their time and does not achieve the corresponding time-saving effect for medical examination personnel.

[0004] There is an existing Chinese patent (publication number: CN208435966U), which describes a bed sheet changing device and a hospital bed with a bed sheet changing device. This patent allows bed sheet changing without lifting the body, and one person can complete the bed sheet changing, reducing the manpower required in the process. However, in actual medical practice, the frequency of bed sheet changing for the same patient in the same hospital bed is not high. During medical examinations, people need to lie flat and expose their skin frequently. The two applications mentioned above cannot effectively perform continuous bed sheet changing.

[0005] Therefore, we provide an automatic device for laying and replacing sterile sheets on medical examination beds, which facilitates the rapid completion of sterile sheet loading, effectively reduces the preparation time for changing sheets, and allows for continuous sheet replacement, as well as the centralized collection of replaced sheets. Summary of the Invention

[0006] The purpose of this invention is to provide an automatic device for laying and replacing sterile sheets on a medical examination bed, which solves the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an automatic device for laying and changing sterile sheets on a medical examination bed, comprising a front bed board and a rear bed board, with a mattress disposed between the front and rear bed boards. A front slide rail and a rear slide rail are respectively disposed on the inner walls of the front and rear bed boards. A second replacement drive housing and a first replacement drive housing are slidably installed within the front and rear slide rails, respectively. A base box is installed at the bottom of the mattress. A reciprocating transport structure is disposed at the front and rear of the inner wall of the base box. The reciprocating transport structure drives equidistantly distributed sheet clips to move in a circular motion. A replacement sheet is clamped between every two sets of equidistantly distributed sheet clips. A drive component is installed on the outer wall of the first replacement drive housing, corresponding to the rear slide rail. A rotating motor is installed at the top of the first replacement drive housing. An electric telescopic rod is installed at the bottom of the shaft of the rotating motor. A clamping structure is installed at the bottom of the electric telescopic rod. A trigger switch is disposed on the bottom right side of the rear slide rail.

[0008] In a preferred embodiment of the present invention, there are four of each of the second replacement drive shell and the first replacement drive shell, and the second replacement drive shell and the first replacement drive shell are arranged in pairs that are adjacent to each other. The second drive shell on the front side corresponds to the bed sheet clamping in the bed sheet clip on the front side, and the second drive shell on the rear side corresponds to the bed sheet clamping in the bed sheet clip on the rear side.

[0009] In a preferred embodiment of the present invention, the second replacement drive housing on the front side moves within the rear slide rail via the drive component 13 and stops at the trigger switch.

[0010] In a preferred embodiment of the present invention, the two groups of the first replacement drive housing and the two groups of the second replacement drive housing on the same side are connected by a synchronizer, and the first replacement drive housing on the front side of each group and the second replacement drive housing on the front side of the corresponding group are synchronously clamped and moved.

[0011] In a preferred embodiment of the present invention, the reciprocating transport structure has a tracked transmission structure symmetrically arranged on the inner wall of the bottom box and moves synchronously through a synchronizer. The tracked transmission structure consists of two sets of shafts with transmission belts wound around their outer walls, and a drive motor is connected to the right shaft. A Hall sensor is installed inside the drive motor. A crossbar is arranged between the two sets of tracked transmission structures, and sheet clips are symmetrically arranged on the left and right sides of the crossbar. The two sets of sheet clips hold the sheet at the two corners on the same side of the sheet.

[0012] In a preferred embodiment of the present invention, the driving component is a movable wheel connected to the shaft of a drive motor.

[0013] In a preferred embodiment of the present invention, a slide rail groove is provided in the rear slide rail, the movable wheel slides and engages in the slide rail groove, and an electromagnetic component is provided on the left side of the inner wall of the slide rail groove.

[0014] In a preferred embodiment of the present invention, the clamping structure is provided with clamping plates symmetrically arranged on the left and right sides of the bottom of the electric telescopic rod. The right clamping plate is driven to open and close so that its angle is adjusted to form a clamping action with the left clamping plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] This invention, through the arrangement of a first replacement drive housing, a second replacement drive housing, a trigger switch, a drive component, and a reciprocating transport structure, utilizes a front-side second replacement drive housing bottom clamping structure corresponding to the rear side of the front-side sheet clip, a front-side first replacement drive housing bottom clamping structure corresponding to the front side of the front-side sheet clip, a rear-side second replacement drive housing bottom clamping structure corresponding to the rear side of the rear-side sheet clip, and a rear-side first replacement drive housing bottom clamping structure corresponding to the front side of the rear-side sheet clip. The front first and second replacement drive housings are synchronously activated, and the drive component moves them respectively within the rear and front slide rails to the trigger switch. Once the bed sheet replacement is complete, the first replacement drive housing on the rear front and the second replacement drive housing on the front are activated to move to the trigger switch position, completing the removal of the bed sheet. The clamping structure of the first replacement drive housing opens, and the rotation motor of the second replacement drive housing is activated to roll up the bed sheet using centrifugal force. The clamping structure is then opened again to allow the bed sheet to fall into the outer bed sheet basket. The right side of the bottom box is opened, and the transmission motor drives the crossbar to move via the transmission belt, clamping the four bed sheet clips corresponding to the two sets of crossbars at the four corners of the bed sheet. This facilitates the rapid completion of the sterile bed sheet loading process, effectively reducing the preparation time for changing bed sheets. It also facilitates continuous bed sheet replacement and allows for the collection of replaced bed sheets. Attached Figure Description

[0017] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of an automatic device for laying and replacing sterile sheets on a medical examination bed according to the present invention.

[0019] Figure 2 This is a schematic diagram of the structure of an automatic device for laying and replacing sterile sheets on a medical examination bed according to the present invention.

[0020] Figure 3 This is a schematic diagram of the structure of an automatic device for laying and replacing sterile sheets on a medical examination bed according to the present invention.

[0021] Figure 4 This is a schematic diagram of the structure of an automatic device for laying and replacing sterile sheets on a medical examination bed according to the present invention.

[0022] Figure 5 This is a schematic diagram of the structure of an automatic device for laying and replacing sterile sheets on a medical examination bed according to the present invention.

[0023] Figure 6 This is a schematic diagram of the structure of an automatic device for laying and replacing sterile sheets on a medical examination bed according to the present invention.

[0024] Figure 7 This is a schematic diagram of the reciprocating transport structure of an automatic laying and changing device for sterile sheets on a medical examination bed according to the present invention.

[0025] In the diagram: 1. Front bed board; 2. Mattress; 3. Rear slide rail; 4. Rear bed board; 5. Base box; 6. Sheet changing unit; 7. Reciprocating transport structure; 8. Sheet clip; 9. First replacement drive housing; 10. Trigger switch; 11. Drive motor; 12. Hall sensor; 13. Drive component; 14. Rotary motor; 15. Electric telescopic rod; 16. Opening and closing drive; 17. Clamping structure; 18. Second replacement drive housing; 19. Slide rail groove; 20. Moving wheel; 21. Electromagnetic component; 22. Drive motor; 23. Front slide rail. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0027] In the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. In the description of this invention, it should be noted that unless otherwise explicitly specified and limited, the terms "installed," "connected," and "set up" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] Please see Figure 1-7This invention provides a technical solution: an automatic device for laying and replacing sterile sheets on a medical examination bed, comprising a front bed board 1 and a rear bed board 4, with a mattress 2 disposed between the front bed board 1 and the rear bed board 4. A front slide rail 23 and a rear slide rail 3 are respectively disposed on the inner walls of the front bed board 1 and the rear bed board 4. A second replacement drive housing 18 and a first replacement drive housing 9 are slidably installed within the front slide rail 23 and the rear slide rail 3, respectively. A base box 5 is installed at the bottom of the mattress 2, and a reciprocating transport structure 7 is disposed at the front and rear of the inner wall of the base box 5. The reciprocating transport structure 7 drives the equidistantly distributed sheet clips 8 to move in a ring. A replacement sheet 6 is clamped between every two sets of equidistantly arranged sheet clips 8. A drive component 13 is installed on the outer wall of the first replacement drive housing 9 and is connected to the rear slide rail 3. A rotating motor 14 is installed at the top inside the first replacement drive housing 9. An electric telescopic rod 15 is installed at the bottom of the shaft of the rotating motor 14. A clamping structure 17 is installed at the bottom of the electric telescopic rod 15. A trigger switch 10 is provided on the bottom right side of the rear slide rail 3.

[0029] Open the right side of the base box 5. The drive motor 11, via a drive belt, moves the crossbars, clamping the four sheet clips 8 at the four corners of the sheet corresponding to the two sets of crossbars. The second replacement drive housing 18 at the front, with its bottom clamping structure 17 corresponding to the front sheet clips 8, clamps the sheet 6 at the rear. The first replacement drive housing 9 at the front, with its bottom clamping structure 17 corresponding to the front sheet clips 8, clamps the sheet 6 at the front. The second replacement drive housing 18 at the rear, with its bottom clamping structure 17 corresponding to the rear sheet clips 8 and 6. The bed sheet is clamped at the front side of the replacement bed sheet 6. The first replacement drive shell 9 and the second replacement drive shell 18 at the front side are started synchronously and moved to the trigger switch 10 position through the drive component 13 respectively. The replacement of the bed sheet is completed. Then, the first replacement drive shell 9 and the second replacement drive shell 18 at the rear side are started and moved to the trigger switch 10 position to complete the removal of the bed sheet. The clamping structure 17 of the first replacement drive shell 9 is opened. The rotation motor 14 of the second replacement drive shell 18 is started to roll up the bed sheet by centrifugal force and then the clamping structure 17 is opened again so that it falls into the outer bed sheet basket.

[0030] In this embodiment, there are four of each of the second replacement drive shell 18 and the first replacement drive shell 9, and the second replacement drive shell 18 and the first replacement drive shell 9 are all in pairs that are adjacent to each other. The second drive shell on the front side corresponds to the bed sheet clip 8 holder inside the bed sheet clip 8 on the front side, and the second drive shell on the rear side corresponds to the bed sheet clip 8 holder inside the bed sheet clip 8 on the rear side.

[0031] Four replacement drive housings 18 and 9 are installed in pairs, with one pair of first replacement drive housings 9 corresponding to one pair of second replacement drive housings 18. The two pairs drive synchronously to clamp the front and rear four corners of the same replacement bed sheet 6.

[0032] In this embodiment, the second replacement drive housing 18 on the front side moves within the rear slide rail 3 via the drive component 13 and stops at the trigger switch 10.

[0033] The front second replacement drive housing 18 moves within the rear slide rail 3 via the drive component 13 and stops at the trigger switch 10. The rear second replacement drive housing 18 remains stationary. The movement and stretching of the front second replacement drive housing 18 causes the replacement sheet 6 to be laid flat on the mattress 2.

[0034] In this embodiment, the two groups of the first replacement drive housing 9 and the two groups of the second replacement drive housing 18 on the same side are connected by a synchronizer, and the first replacement drive housing 9 on the front side of each group and the second replacement drive housing 18 on the front side of the corresponding group are synchronously clamped and moved.

[0035] The first replacement drive housing 9 and the second replacement drive housing 18 are both divided into a front group and a rear group. The front group of the first replacement drive housing 9 and the front group of the second replacement drive housing 18 are connected by a synchronizer, and the two perform synchronous gripping and movement.

[0036] In this embodiment, the reciprocating transport structure 7 is a crawler transmission structure symmetrically arranged on the inner wall of the bottom box 5, and moves synchronously through a synchronizer. The crawler transmission structure consists of two sets of shafts with transmission belts wound around their outer walls, and a transmission motor 11 is connected to the right shaft. A Hall sensor 12 is installed inside the transmission motor 11. A crossbar is arranged between the two sets of the crawler transmission structures, and sheet clips 8 are symmetrically arranged on the left and right sides of the crossbar. The two sets of sheet clips 8 clamp the two corners of the sheet on the same side.

[0037] The reciprocating transport structure 7 has a tracked transmission structure symmetrically arranged on the inner wall of the bottom box 5, and moves synchronously through a synchronizer. The tracked transmission structure consists of two sets of shafts with transmission belts wound around their outer walls. The right shaft is connected to a drive motor 11, and a Hall sensor 12 is installed inside the drive motor 11. The Hall sensor 12 records the number of rotations to form a stroke count. A crossbar is set between the two sets of tracked transmission structures. Sheet clips 8 are symmetrically arranged on the left and right sides of the crossbar. The two sets of sheet clips 8 clamp the two corners of the sheet on the same side.

[0038] The reciprocating transport structure 7 can adopt any transport structure, and is not limited to this, which is common technical knowledge in mechanical transport.

[0039] In this embodiment, the driving component 13 is a moving wheel 20 connected to the shaft of the driving motor 22;

[0040] The drive motor 22 drives the moving wheel 20 to move within the slide rail groove 19, thereby causing the first replacement shell to move along the rear slide rail 3 along with the drive component 13.

[0041] In this embodiment, a slide rail groove 19 is provided in the rear slide rail 3, and the moving wheel 20 slides and engages in the slide rail groove 19. An electromagnetic component 21 is provided on the left side of the inner wall of the slide rail groove 19.

[0042] When the electromagnetic component 21 is energized, it generates magnetic force, and the driving component 13 is also provided with a magnetic component on the same side as the electromagnetic component 21, making the movement of the device smoother.

[0043] In this embodiment, the clamping structure 17 is an electric telescopic rod 15 with clamping plates symmetrically arranged on the left and right sides at the bottom. The right clamping plate is adjusted in angle by the opening and closing drive 16 to clamp the left clamping plate.

[0044] The opening and closing drive 16 can use a motor to drive the right-side clamping plate to open and close, clamping the bed sheet.

[0045] When using an automatic device for laying and replacing sterile sheets on a medical examination bed, it should be noted that the present invention is an automatic device for laying and replacing sterile sheets on a medical examination bed, and all components are general standard parts or parts known to those skilled in the art. Its structure and principle can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0046] In use, the right side of the base box 5 is opened. The drive motor 11 drives the crossbar to move via the drive belt, clamping the four sheet clips 8 at the four corners of the sheet corresponding to the two sets of crossbars. Data recorded by the Hall sensor 12 ensures the crossbar is positioned below the first and second replacement drive housings 9 and 18 of the previous set, aligning its clamping structure 17 with the sheet clip 8. The bottom clamping structure 17 of the second replacement drive housing 18 clamps the sheet 6 behind the front sheet clip 8, and the bottom clamping structure 17 of the first replacement drive housing 9 clamps the sheet 6 in front of the front sheet clip 8. The electric telescopic rod 15 lowers, and the opening / closing drive 16 rotates the right clamping plate, bringing it closer to the left clamping plate to clamp the sheet 6. The bottom clamping structure 17 of the second replacement drive housing 18 clamps the sheet 6 behind the rear sheet clip 8, and the bottom clamping structure 17 of the first replacement drive housing 9 clamps the sheet 6 in front of the rear sheet clip 8. The holding structure 17 corresponds to the front clamp of the bed sheet clip 8 on the rear side. The first replacement drive shell 9 and the second replacement drive shell 18 on the front side are started synchronously. The drive component 13 moves them to the position of the trigger switch 10 in the rear slide rail 3 and the front slide rail 23 respectively. The drive motor 22 drives the moving wheel 20 to move in the slide rail groove 19, so that the first replacement shell moves along the rear slide rail 3 with the drive component 13, thus completing the replacement of the bed sheet. Then, the first replacement drive shell 9 and the second replacement drive shell 18 on the rear side are started to move to the position of the trigger switch 10, thus completing the removal of the bed sheet. The clamping structure 17 of the first replacement drive shell 9 opens. The rotation motor 14 of the second replacement drive shell 18 is started to roll up the bed sheet by centrifugal force, and then the clamping structure 17 is opened again to let it fall into the outer bed sheet basket. The second set of first replacement drive shells 9 and second replacement drive shells 18 repeat the above actions of the previous set, and the previous set is reset.

[0047] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0048] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic device for laying and changing sterile sheets on a medical examination bed, comprising a front bed board (1) and a rear bed board (4), wherein a mattress (2) is disposed between the front bed board (1) and the rear bed board (4), and a front slide rail (23) and a rear slide rail (3) are respectively disposed on the inner walls of the front bed board (1) and the rear bed board (4), wherein a second replacement drive housing (18) and a first replacement drive housing (9) are respectively slidably installed in the front slide rail (23) and the rear slide rail (3), characterized in that: a bottom box (5) is installed at the bottom of the mattress (2), and a reciprocating transport structure (7) is disposed at the front and rear of the inner wall of the bottom box (5), wherein the mattress (2) is provided with a front slide rail (1) and a rear slide rail (4), wherein the mattress (2) is provided with a front slide rail (2 ... The reciprocating transport structure (7) drives the equidistantly distributed sheet clips (8) to move in a ring. A replacement sheet (6) is clamped between every two sets of equidistantly arranged sheet clips (8). A drive component (13) is installed on the outer wall of the first replacement drive housing (9) and connected to the corresponding rear slide rail (3). A rotating motor (14) is installed at the top inside the first replacement drive housing (9). An electric telescopic rod (15) is installed at the bottom of the shaft of the rotating motor (14). A clamping structure (17) is installed at the bottom of the electric telescopic rod (15). A trigger switch (10) is provided on the bottom right side of the rear slide rail (3). The second replacement drive shell (18) and the first replacement drive shell (9) each have four, and the second replacement drive shell (18) and the first replacement drive shell (9) are each in pairs that are adjacent to each other. One set of first replacement drive shell (9) and one set of second replacement drive shell (18) correspond to each other. The two sets are driven synchronously to clamp the front and rear four corners of the same replacement bed sheet (6). The first replacement drive housing (9) and the second replacement drive housing (18) on the front side start synchronously and move to the trigger switch (10) position in the rear slide rail (3) and front slide rail (23) respectively through the drive component (13), thus completing the replacement of the bed sheet.

2. The automatic laying and changing device for sterile sheets on a medical examination bed according to claim 1, characterized in that: The two groups of the first replacement drive housing (9) and the two groups of the second replacement drive housing (18) on the same side are connected by a synchronizer. The first replacement drive housing (9) on the front side of each group and the second replacement drive housing (18) on the front side of the corresponding group are synchronously clamped and moved.

3. The automatic laying and changing device for sterile sheets on a medical examination bed according to claim 1, characterized in that: The reciprocating transport structure (7) is a tracked transmission structure symmetrically arranged on the inner wall of the bottom box (5) and moves synchronously through a synchronizer. The tracked transmission structure consists of two sets of shafts with transmission belts wound around their outer walls, and a transmission motor (11) is connected to the right shaft. A Hall sensor (12) is installed inside the transmission motor (11). A crossbar is arranged between the two sets of tracked transmission structures, and sheet clips (8) are symmetrically arranged on the left and right sides of the crossbar. The two sets of sheet clips (8) are clamped at the two corners of the sheet on the same side.

4. The automatic laying and changing device for sterile sheets on a medical examination bed according to claim 1, characterized in that: The drive component (13) is a moving wheel (20) connected to the shaft of the drive motor (22).

5. The automatic laying and changing device for sterile sheets on a medical examination bed according to claim 4, characterized in that: The rear slide rail (3) has a slide rail groove (19) inside, and the moving wheel (20) slides and engages with the slide rail groove (19). An electromagnetic component (21) is provided on the left side of the inner wall of the slide rail groove (19).

6. The automatic laying and changing device for sterile sheets on a medical examination bed according to claim 1, characterized in that: The clamping structure (17) is an electric telescopic rod (15) with clamping plates symmetrically arranged on the left and right sides at the bottom. The right clamping plate is adjusted in angle by opening and closing drive (16) to form a clamping with the left clamping plate.

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