Folding and stretching mechanism for nursing trolley

Abstract

The folding and stretching mechanism comprises a nursing carriage, the inner bottom wall of the nursing carriage is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a threaded rod, the outer surface of the threaded rod is in threaded connection with a threaded ring, and the outer surface of the threaded ring is fixedly connected with two connecting plates. Through cooperative use of the nursing carriage, the first moving wheels, the second moving wheels, threaded rods, connecting plates, moving connecting plates, supporting connecting rods and folding vertical plates, the threaded rods can rotate to drive the moving connecting plates and the supporting connecting rods to move up and down, and the supporting connecting rods move to drive the two folding vertical plates to move in the direction of the nursing carriage; therefore, the effect of folding the folding vertical plate and the storage table is achieved, the nursing carriage, the folding vertical plate and the storage table are prevented from occupying a large space when the nursing carriage is not used, the space utilization rate is greatly improved, and the nursing carriage has the advantages that storage is more convenient, and more space can be saved during storage.

Description

Technical Field

[0001] The utility model relates to the field of nursing vehicles, in particular to a folding and extending mechanism for a nursing vehicle. Background Art

[0002] In order to improve the work efficiency of medical staff, hospitals will provide nurses with medical care mobile carts to assist them in their work. Nursing carts are vehicles used for medical care, which can reduce the labor intensity of medical staff and meet most of the needs of medical staff when in use.

[0003] Most of the nursing carts currently in use can be adjusted in height according to actual conditions. However, when not in use, the nursing carts are large and require a large amount of space, which will affect the work of medical staff. As a result, the nursing carts are more troublesome to store and take up more space when not in use. To this end, we propose a folding and extending mechanism for a nursing cart to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a folding and extending mechanism for a nursing vehicle to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The folding and extending mechanism for a nursing vehicle comprises a nursing vehicle box, wherein the inner bottom wall of the nursing vehicle box is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to a screw ring, and the outer surface of the screw ring is fixedly connected to two connecting plates, each of the outer surface of the connecting plate is fixedly connected to a movable connecting plate, and each of the ends of the movable connecting plates away from the connecting plate penetrates the nursing vehicle box and extends to the outside of the nursing vehicle box, and the outer surface of each movable connecting plate is hinged to a supporting connecting rod through a pin shaft, and a folding vertical plate is provided on the left and right sides of the nursing vehicle box, and the outer surface of each folding vertical plate is fixedly connected to two hinge seats, and the outer surface of each hinge seat is hinged to an end of each supporting connecting rod away from the movable connecting plate through a pin shaft, and the outer surface of each group of the supporting connecting rods is fixedly connected to a storage table, and the bottom surface of each folding vertical plate is fixedly connected to two first moving wheels, and the bottom surface of the nursing vehicle box is fixedly connected to two second moving wheels.

[0007] In a further embodiment, two first telescopic rods and two second telescopic rods are fixedly connected to the inner bottom wall of the nursing carriage, respectively, the left end of each of the first telescopic rods passes through the nursing carriage and extends to the outside of the nursing carriage, the left end of each of the first telescopic rods is fixedly connected to the outer surface of one of the folding vertical plates, the right end of each of the second telescopic rods passes through the nursing carriage and extends to the outside of the nursing carriage, and the right end of each of the second telescopic rods is fixedly connected to the outer surface of another folding vertical plate.

[0008] In a further embodiment, two through long holes are provided on the left side surface and the right side surface of the nursing carriage, and the size of the through long holes is adapted to the size of the movable connecting plate.

[0009] In a further embodiment, a push handle is fixedly connected to the outer surface of each of the folding vertical panels, and an operation button is fixedly connected to the front of the nursing vehicle box.

[0010] In a further embodiment, two slide grooves are provided on the inner wall of the nursing vehicle box, and a sliding connecting rod is slidably connected to the interior of each slide groove, and the ends of the two sliding connecting rods that are close to each other are respectively fixedly connected to the side surfaces of the two connecting plates that are away from each other.

[0011] In a further embodiment, two baffles are fixedly connected to the outer surface of the nursing vehicle box, and the baffles are located above the storage table.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device cooperates with the nursing carriage, the first moving wheel, the second moving wheel, the threaded rod, the connecting plate, the moving connecting plate, the supporting connecting rod and the folding vertical plate. The rotation of the threaded rod can drive the moving connecting plate and the supporting connecting rod to move up and down, and the movement of the supporting connecting rod can drive the two folding vertical plates to move toward the nursing carriage, thereby achieving the effect of folding and stowing the folding vertical plates and the storage table, preventing the nursing carriage, the folding vertical plates and the storage table from occupying a large space when not in use, and avoiding the nursing carriage, the folding vertical plates and the storage table from causing obstacles to medical staff when not in use, greatly improving space utilization, and having the advantages of being more convenient to store and saving more space when stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view stereoscopic structural schematic diagram of the folding and extending mechanism for a nursing vehicle.

[0015] Figure 2 It is a front cross-sectional view of the folding and extending mechanism for a nursing vehicle.

[0016] Figure 3It is a side sectional view of an adjustment box in a folding and extending mechanism for a nursing vehicle.

[0017] Figure 4 It is a top sectional view of an adjustment box in a folding and extending mechanism for a nursing vehicle.

[0018] In the figure: 1. Nursing carriage; 2. Driving motor; 3. Threaded rod; 4. Screw ring; 5. Connecting plate; 6. Moving connecting plate; 7. Support connecting rod; 8. Articulated seat; 9. Folding vertical plate; 10. Storage table; 11. First moving wheel; 12. Second moving wheel; 13. First telescopic long rod; 14. Second telescopic long rod; 15. Through long hole; 16. Operating button; 17. Slide groove; 18. Sliding connecting rod; 19. Push handle; 20. Baffle. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 In the utility model, a folding and extending mechanism for a nursing vehicle comprises a nursing vehicle box 1, the inner bottom wall of the nursing vehicle box 1 is fixedly connected to a driving motor 2, the output end of the driving motor 2 is fixedly connected to a threaded rod 3, the outer surface of the threaded rod 3 is threadedly connected to a screw ring 4, the outer surface of the screw ring 4 is fixedly connected to two connecting plates 5, the outer surface of each connecting plate 5 is fixedly connected to a movable connecting plate 6, the end of each movable connecting plate 6 away from the connecting plate 5 penetrates the nursing vehicle box 1 and extends to the outside of the nursing vehicle box 1, the outer surface of each movable connecting plate 6 is hinged with a supporting connecting rod 7 through a pin shaft, and the nursing vehicle box 1 is provided with a folding and extending mechanism. Folding vertical plates 9 are provided on the left side of the nursing carriage 1 and the right side of the nursing carriage 1. The outer surface of each folding vertical plate 9 is fixedly connected to two hinged seats 8. The outer surface of each hinged seat 8 is hinged to the end of each supporting connecting rod 7 away from the movable connecting plate 6 through a pin shaft. The outer surface of each group of supporting connecting rods 7 is fixedly connected to a storage table 10. The bottom surface of each folding vertical plate 9 is fixedly connected to two first moving wheels 11, and the bottom surface of the nursing carriage 1 is fixedly connected to two second moving wheels 12, which can enable the two folding vertical plates 9 to move toward the nursing carriage 1, thereby achieving a folding effect.

[0023] The inner bottom wall of the nursing carriage 1 is fixedly connected with two first telescopic long rods 13 and two second telescopic long rods 14, respectively. The left end of each first telescopic long rod 13 penetrates the nursing carriage 1 and extends to the outside of the nursing carriage 1, and the left end of each first telescopic long rod 13 is fixedly connected to the outer surface of one of the folding vertical plates 9, and the right end of each second telescopic long rod 14 penetrates the nursing carriage 1 and extends to the outside of the nursing carriage 1, and the right end of each second telescopic long rod 14 is fixedly connected to the outer surface of another folding vertical plate 9, so that when the folding vertical plate 9 moves, the first telescopic long rod 13 and the second telescopic long rod 14 are driven to telescopically move, and at the same time support the folding vertical plate 9 to prevent the folding vertical plate 9 from tilting and moving. Two through long holes 15 are provided on the left side and the right side of the nursing carriage 1, and the size of the through long holes 15 is adapted to the size of the movable connecting plate 6, which ensures that the movable connecting plate 6 moves more smoothly, so that the movable connecting plate 6 moves in the through long holes 15, and the stability of the movement of the movable connecting plate 6 is improved.

[0024] The outer surface of each folding vertical plate 9 is fixedly connected to a push handle 19, and the front of the nursing carriage 1 is fixedly connected to an operation button 16, which can make it convenient for users to operate and has the advantage of simpler operation. Two slide grooves 17 are provided on the inner wall of the nursing carriage 1, and a sliding link 18 is slidably connected to the inside of each slide groove 17. The ends of the two sliding links 18 that are close to each other are respectively fixedly connected to the side surfaces of the two connecting plates 5 that are away from each other, so that when the connecting plates 5 move, the sliding links 18 are driven to slide in the slide grooves 17 to prevent the connecting plates 5 from getting stuck when moving, which has the advantage of smoother movement. Two baffles 20 are fixedly connected to the outer surface of the nursing carriage 1, and the baffles 20 are located above the storage table 10, so that there are more places to place things, avoiding the situation where the items fall after being placed.

[0025] The working principle of the utility model is:

[0026] When the mechanism is not in use, the power is turned on and the driving motor 2 is started by operating the button 16 to drive the threaded rod 3 to rotate, so that when the threaded rod 3 rotates, the screw ring 4 and the connecting plate 5 are driven to move downward, and when the connecting plate 5 moves, the four movable connecting plates 6 are driven to move up and down, and when the four movable connecting plates 6 move, one end of the four supporting connecting rods 7 is driven to move downward, so that the other end of the supporting connecting rod 7 drives the two folding vertical plates 9 to move, and the two folding vertical plates 9 will move toward the direction close to the nursing carriage 1, and at the same time drive the first telescopic long rod 13 and the second telescopic long rod 14 to extend and retract, so that the storage table 10 changes from a horizontal direction to a vertical direction, and the mechanism can be folded and put away, which can avoid taking up a lot of space when not in use, and has the advantage of saving more space for storage.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A folding and extending mechanism for a nursing vehicle, characterized in that: The invention comprises a nursing vehicle box (1), wherein the inner bottom wall of the nursing vehicle box (1) is fixedly connected to a driving motor (2), the output end of the driving motor (2) is fixedly connected to a threaded rod (3), the outer surface of the threaded rod (3) is threadedly connected to a screw ring (4), the outer surface of the screw ring (4) is fixedly connected to two connecting plates (5), the outer surface of each connecting plate (5) is fixedly connected to a movable connecting plate (6), the end of each movable connecting plate (6) away from the connecting plate (5) penetrates the nursing vehicle box (1) and extends to the outside of the nursing vehicle box (1), and the outer surface of each movable connecting plate (6) is hinged by a pin shaft. There is a supporting connecting rod (7), and folding vertical plates (9) are provided on the left side and the right side of the nursing cart box (1). The outer surface of each folding vertical plate (9) is fixedly connected to two hinge seats (8), and the outer surface of each hinge seat (8) is hinged to one end of each supporting connecting rod (7) away from the movable connecting plate (6) through a pin shaft. The outer surface of each group of supporting connecting rods (7) is fixedly connected to a storage table (10), and the bottom surface of each folding vertical plate (9) is fixedly connected to two first movable wheels (11), and the bottom surface of the nursing cart box (1) is fixedly connected to two second movable wheels (12).

2. A folding and extending mechanism for a nursing vehicle according to claim 1, characterized in that: The inner bottom wall of the nursing carriage (1) is respectively fixedly connected with two first telescopic long rods (13) and two second telescopic long rods (14); the left end of each of the first telescopic long rods (13) passes through the nursing carriage (1) and extends to the outside of the nursing carriage (1); the left end of each of the first telescopic long rods (13) is fixedly connected to the outer surface of one of the folding vertical plates (9); the right end of each of the second telescopic long rods (14) passes through the nursing carriage (1) and extends to the outside of the nursing carriage (1); and the right end of each of the second telescopic long rods (14) is fixedly connected to the outer surface of another folding vertical plate (9).

3. The folding and extending mechanism for a nursing vehicle according to claim 1, characterized in that: The left side surface of the nursing carriage (1) and the right side surface of the nursing carriage (1) are both provided with two through long holes (15), and the size of the through long holes (15) is adapted to the size of the movable connecting plate (6).

4. The folding and extending mechanism for a nursing vehicle according to claim 1, characterized in that: The outer surface of each folding vertical plate (9) is fixedly connected to a push handle (19), and the front of the nursing vehicle box (1) is fixedly connected to an operating button (16).

5. The folding and extending mechanism for a nursing vehicle according to claim 1, characterized in that: The inner wall of the nursing vehicle box (1) is provided with two slide grooves (17), each of the slide grooves (17) is slidably connected to a sliding connecting rod (18), and the ends of the two sliding connecting rods (18) that are close to each other are fixedly connected to the side surfaces of the two connecting plates (5) that are away from each other.

6. The folding and extending mechanism for a nursing vehicle according to claim 1, characterized in that: Two baffles (20) are fixedly connected to the outer surface of the nursing vehicle box (1), and the baffles (20) are located above the storage platform (10).

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