Cart with good stability

Abstract

The utility model discloses a cart with good stability, which relates to the technical field of nursing, and comprises a frame, a moving component is mounted at the bottom of the frame, and the moving component comprises moving wheels used for being in contact with the ground for supporting during moving; the supporting plate is used for supporting in contact with the ground when not moving; the driving assembly is used for driving the moving wheel and the supporting plate to synchronously and reversely move, so that one of the moving wheel and the supporting plate is in contact support with the bottom surface, the driving assembly comprises a first connecting piece connected with the moving wheel and a second connecting piece connected with the supporting plate, and a driving mechanism is arranged between the first connecting piece and the second connecting piece; the placing assembly comprises a first placing plate, a second placing plate and an adjusting mechanism, the adjusting mechanism is used for adjusting the distance between the first placing plate and the second placing plate, the moving assembly is arranged, moving is convenient, the supporting area is large, stability is good, and the placing assembly is arranged so that equipment of different sizes can be conveniently placed.

Description

Technical Field

[0001] The utility model relates to the field of nursing technology, specifically a cart with good stability Background Art

[0002] When providing care, medical staff need to use a nursing cart to place nursing supplies.

[0003] After searching, Chinese patent CN214435112U discloses a clinical nursing cart, including a mounting plate, a shock-absorbing spring is installed inside the mounting plate, a nursing cart body is provided at the upper end of the shock-absorbing spring, a placement drawer is connected to the interior of the nursing cart body, a placement box is provided at the upper end of the nursing cart body, a fixed bucket is provided at the upper end of the nursing cart body and on one side of the placement box, a connecting cover is connected to the upper end of the fixed bucket, a movable door is connected to the interior of the nursing cart body, a partition is provided inside the nursing cart body and on the rear side of the movable door, a fixed box is installed at one end of the nursing cart body, and a garbage disposal mechanism is connected to the interior of the fixed box.

[0004] For example, Chinese patent CN215875373U discloses an orthopedic nursing cart, which includes a nursing cart body, a lifting mechanism, a medicine storage mechanism, a tool mechanism, a waste collection component, a fixed tray component and a dressing rack. The lifting mechanism is arranged on the nursing cart body, the dressing rack is arranged on the lifting mechanism, the medicine storage mechanism and the tool mechanism are arranged in the nursing cart body, the waste collection component is fixedly connected to a side wall of the nursing cart body, and the fixed tray component is fixedly connected to the side wall of the lifting mechanism.

[0005] In the above-mentioned prior art, only universal wheels are installed at the bottom of the nursing cart, which has a small contact area with the ground. When it is hit by external force or other unexpected circumstances, it has low stability and is easy to cause the items thereon to fall over. Summary of the Invention

[0006] The purpose of this utility model is to provide a cart with good stability to solve the above problems.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A cart with good stability comprises a frame, a movable assembly is mounted on the bottom of the frame, and the movable assembly comprises:

[0009] Moving wheels, used for contact with the ground for support during movement;

[0010] A support plate, used for contact with the ground for support when not moving;

[0011] The driving assembly is used to drive the moving wheel and the support plate to move synchronously in opposite directions, so that one of the moving wheel and the support plate contacts and supports the bottom surface.

[0012] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0013] In an optional solution: the driving assembly includes a first connecting member connected to the moving wheel and a second connecting member connected to the support plate, and a driving mechanism is provided between the first connecting member and the second connecting member for driving the first connecting member and the second connecting member to move synchronously in opposite directions.

[0014] In an optional scheme: the driving mechanism includes a first motor and a turntable, the first motor is installed at the bottom of the frame, the turntable is installed on the output shaft of the first motor, one end of the first connecting member and one end of the second connecting member are eccentrically hinged to two positions symmetrical to the end surface of the turntable, the other end of the first connecting member is hinged to a mounting plate, a moving wheel is installed at the lower part of the mounting plate, the other end of the second connecting member is hinged to a support plate, and a guide member is provided between the mounting plate and the support plate and the frame.

[0015] In an optional solution: a placement component is also included for placing care products, the placement component includes a first placement plate, a second placement plate and an adjustment mechanism, and the adjustment mechanism is used to adjust the distance between the first placement plate and the second placement plate.

[0016] In an optional solution: a first placement plate is fixedly installed on the vehicle frame, and multiple second placement plates are spaced apart on one side of the first placement plate. The adjustment mechanism includes a second motor, a bidirectional screw rod, an internal threaded sleeve and a scissors-fork mechanism. The threaded sections on both sides of the bidirectional screw rod are respectively threadedly connected with internal threaded sleeves, and the two internal threaded sleeves are respectively hinged to the two end points of one end of the scissors-fork mechanism. The scissors-fork mechanism is relatively rotated and slidably connected to the multiple second placement plates.

[0017] In an optional solution: a trash can is also included to hold nursing waste.

[0018] In an optional solution: the trash can is placed on a support plate, the support plate is installed on the vehicle frame, and a placement slot for placing the trash can is provided on the support plate, and the bottom of the placement slot and the bottom of the trash can are respectively provided with magnets that attract each other.

[0019] In an optional solution: an auxiliary unit is also included, the auxiliary unit includes an auxiliary plate, a third connecting member and a sliding member, an auxiliary plate is provided on the top of the frame, and the auxiliary plates are two in total and symmetrically arranged, the ends of the two auxiliary plates away from each other are respectively hinged to the third connecting member, and the end of the third connecting member away from the auxiliary plate is hinged to the sliding member, the sliding member is slidably connected to the side of the frame, a ratchet bar is fixed to the side of the frame, a positioning pawl cooperating with the ratchet bar is provided on the sliding member, an elastic member is connected between the positioning pawl and the ratchet bar, and the elastic force of the elastic member drives the positioning pawl to engage with the ratchet bar.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. A moving assembly is provided, which includes: a moving wheel for contacting and supporting the ground when moving; a support plate for contacting and supporting the ground when not moving; a driving assembly for driving the moving wheel and the support plate to move synchronously in opposite directions, so that one of the moving wheel and the support plate is in contact with the bottom surface for support. When moving, the moving wheel supports the cart for easy movement, and when not moving, the support plate is in contact with the bottom surface for support, with a large support area and good stability, thereby preventing the medicines and tools in the cart from tipping over due to collisions or other reasons.

[0022] 2. A placement assembly is provided, which includes a first placement plate, a second placement plate and an adjustment mechanism. The adjustment mechanism includes a second motor, a bidirectional screw, an internal threaded sleeve and a scissor mechanism. The second motor drives the bidirectional screw to rotate, the bidirectional screw drives the internal threaded sleeve to move, the internal threaded sleeve drives the scissor mechanism to move, and the scissor mechanism drives the second placement plate to move, so as to adjust the spacing between the first placement plate and the second placement plate to facilitate the placement of equipment of different sizes.

[0023] 3. An auxiliary unit is provided, which includes an auxiliary plate, a third connecting member and a sliding member. By pushing the auxiliary plate outward to open it, the auxiliary plate can be used to place more tools and medicines. The auxiliary plate drives the third connecting member to move, and the third connecting member drives the sliding member to move. The sliding member is positioned by the positioning clamp and the ratchet bar, thereby providing stable support for the auxiliary plate. When the auxiliary plate needs to be folded, the positioning pawl is pulled outward to disengage it from the ratchet bar, thereby facilitating the retraction of the auxiliary plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of an embodiment of the present utility model.

[0025] Figure 2 This is a structural diagram of another embodiment of the present invention.

[0026] Figure 3 This is a structural diagram of another embodiment of the present utility model.

[0027] Figure 4 for Figure 3 A partial enlarged view of the .

[0028] Notes on figure numbers: 1-frame, 2-second motor, 3-bidirectional screw, 4-internal threaded sleeve, 5-scissors mechanism, 6-second placement plate, 7-armrest, 8-first placement plate, 9-turntable, 10-first connecting member, 11-second connecting member, 12-guide member, 13-support plate, 14-moving wheel, 15-mounting plate, 16-trash can, 17-support plate, 18-magnet, 19-auxiliary plate, 20-third connecting member, 21-ratchet bar, 22-sliding member, 23-positioning pawl. DETAILED DESCRIPTION

[0029] The following embodiments will be described in detail with reference to the accompanying drawings. Similar or identical parts are denoted by the same reference numerals in the drawings and descriptions. In actual applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in the present invention are intended only to illustrate the present invention and are not intended to limit its scope. Any obvious modifications or variations to the present invention do not depart from the spirit and scope of the present invention.

[0030] Example

[0031] See also Figure 1 In one embodiment of the present invention, a cart with good stability includes a frame 1, a handrail 7 is installed on the frame 1, and a moving component is installed at the bottom of the frame 1. The moving component includes:

[0032] Moving wheels 14, used for contacting with the ground for support during movement;

[0033] A support plate 13, used for contacting the ground for support when not moving;

[0034] The driving assembly is used to drive the moving wheel 14 and the support plate 13 to move synchronously in opposite directions, so that one of the moving wheel 14 and the support plate 13 is in contact with the bottom surface for support. When moving, the moving wheel 14 supports the easy movement. When not moving, the support plate 13 is in contact with the bottom surface for support. The support area is large and the stability is good, which can prevent the medicines and tools in the cart from tipping over due to collisions and other reasons.

[0035] In one embodiment of the present invention, the driving assembly includes a first connecting member 10 connected to the moving wheel 14 and a second connecting member 11 connected to the support plate 13. A driving mechanism is provided between the first connecting member 10 and the second connecting member 11 for driving the first connecting member 10 and the second connecting member 11 to move synchronously in opposite directions.

[0036] In one embodiment of the present utility model, the driving mechanism includes a first motor and a turntable 9, the first motor is installed at the bottom of the frame 1, and the turntable 9 is installed on the output shaft of the first motor, one end of the first connecting member 10 and one end of the second connecting member 11 are eccentrically hinged at two positions symmetrical to the end face of the turntable 9, the other end of the first connecting member 10 is hinged to a mounting plate 15, a moving wheel 14 is installed at the lower part of the mounting plate 15, the other end of the second connecting member 11 is hinged to a support plate 13, and a guide member 12 is provided between the mounting plate 15 and the support plate 13 and the frame 1, the first motor drives the turntable 9 to rotate, the turntable 9 drives the first connecting member 10 and the second connecting member 11 to move, the first connecting member 10 drives the mounting plate 15 to move, and the second connecting member 11 drives the support plate 13 to move in the opposite direction.

[0037] In one embodiment of the present invention, a placement assembly is further included for placing care products. The placement assembly includes a first placement plate 8, a second placement plate 6 and an adjustment mechanism. The adjustment mechanism is used to adjust the distance between the first placement plate 8 and the second placement plate 6.

[0038] In one embodiment of the present utility model, a first placement plate 8 is fixedly mounted on the vehicle frame 1, and a plurality of second placement plates 6 are spaced apart on one side of the first placement plate 8. The adjustment mechanism includes a second motor 2, a bidirectional screw rod 3, an internal threaded sleeve 4 and a scissor mechanism 5. The threaded sections on both sides of the bidirectional screw rod 3 are respectively threadedly connected with internal threaded sleeves 4, and the two internal threaded sleeves 4 are respectively hinged to the two end points of one end of the scissor mechanism 5. The scissor mechanism 5 and the plurality of second placement plates 6 are relatively rotated and slidably connected. The second motor 2 drives the bidirectional screw rod 3 to rotate, the bidirectional screw rod 3 drives the internal threaded sleeve 4 to move, the internal threaded sleeve 4 drives the scissor mechanism 5 to move, and the scissor mechanism 5 drives the second placement plate 6 to move, so as to adjust the spacing between the first placement plate 8 and the second placement plate 6 to facilitate the placement of equipment of different sizes.

[0039] See also Figure 2 In one embodiment of the present invention, a trash can 16 is further included for containing nursing waste.

[0040] In one embodiment of the present invention, the trash can 16 is placed on a support plate 17, and the support plate 17 is installed on the vehicle frame 1. The support plate 17 is provided with a placement groove for placing the trash can 16, and the bottom of the placement groove and the bottom of the trash can 16 are respectively provided with magnets 18 that attract each other. The suction force of the magnet 18 is used to fix the trash can 16 to improve the stability of the trash can 16.

[0041] See also Figure 3-Figure 4In one embodiment of the present invention, an auxiliary unit is further included, and the auxiliary unit includes an auxiliary plate 19, a third connecting member 20 and a sliding member 22. The auxiliary plate 19 is provided on the top of the frame 1. The auxiliary plates 19 are two in total and are symmetrically arranged. In this embodiment, a handle is installed on the auxiliary plate 19. The ends of the two auxiliary plates 19 away from each other are respectively hinged with the third connecting member 20. The end of the third connecting member 20 away from the auxiliary plate 19 is hinged with a sliding member 22. The sliding member 22 is slidably connected to the side of the frame 1. A ratchet bar 21 is fixed to the side of the frame 1. The sliding member 22 is provided with a positioning member that cooperates with the ratchet bar 21. The pawl 23, an elastic member is connected between the positioning pawl 23 and the ratchet bar 21, and the elastic force of the elastic member drives the positioning pawl 23 to engage with the ratchet bar 21. By pushing the auxiliary plate 19 outward to open, the auxiliary plate 19 can be used to place more tools and medicines. The auxiliary plate 19 drives the third connecting member 20 to move, and the third connecting member 20 drives the sliding member 22 to move. The sliding member 22 is positioned by the positioning clamp and the ratchet bar 21, thereby stably supporting the auxiliary plate 19. When the auxiliary plate 19 needs to be folded, the positioning pawl 23 is pulled outward to disengage it from the ratchet bar 21, thereby facilitating the retraction of the auxiliary plate 19.

[0042] The working principle of the utility model is: when moving, the moving wheel 14 supports the convenient movement; when not moving, the support plate 13 contacts the bottom surface for support, the support area is large, the stability is improved, and the medicines and tools in the cart are prevented from tipping over due to collisions, etc. The second motor 2 drives the bidirectional screw rod 3 to rotate, the bidirectional screw rod 3 drives the internal threaded sleeve 4 to move, the internal threaded sleeve 4 drives the scissors fork mechanism 5 to move, and the scissors fork mechanism 5 drives the second placement plate 6 to move, and the spacing between the first placement plate 8 and the second placement plate 6 is adjusted to facilitate the placement of equipment of different sizes. By pushing the auxiliary plate 19 outward to open, the auxiliary plate 19 can be used to place more tools and medicines, the auxiliary plate 19 drives the third connecting member 20 to move, and the third connecting member 20 drives the sliding member 22 to move, and the sliding member 22 is positioned by the positioning clamp and the ratchet bar 21, thereby stably supporting the auxiliary plate 19. When the auxiliary plate 19 needs to be retracted, the positioning pawl 23 is pulled outward to disengage it from the ratchet bar 21, thereby facilitating the retraction of the auxiliary plate 19.

[0043] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A cart with good stability, comprising a frame, a moving assembly mounted on the bottom of the frame, characterized in that: The mobile component includes: Moving wheels, used for contact with the ground for support during movement; A support plate, used for contact with the ground for support when not moving; A driving assembly, for driving the moving wheel and the support plate to move synchronously in opposite directions, so that one of the moving wheel and the support plate contacts and supports the bottom surface; The driving assembly includes a first connecting member connected to the moving wheel and a second connecting member connected to the support plate, and a driving mechanism is provided between the first connecting member and the second connecting member for driving the first connecting member and the second connecting member to move synchronously in opposite directions; The driving mechanism includes a first motor and a turntable. The first motor is installed at the bottom of the frame. The turntable is installed on the output shaft of the first motor. One end of the first connecting member and one end of the second connecting member are eccentrically hinged to two positions symmetrical to the end surface of the turntable. The other end of the first connecting member is hinged to a mounting plate, and a moving wheel is installed at the lower part of the mounting plate. The other end of the second connecting member is hinged to a support plate, and a guide member is provided between the mounting plate and the support plate and the frame.

2. The cart with good stability according to claim 1, characterized in that: It also includes a placement component for placing care products. The placement component includes a first placement plate, a second placement plate and an adjustment mechanism. The adjustment mechanism is used to adjust the distance between the first placement plate and the second placement plate.

3. The cart with good stability according to claim 2, characterized in that: A first placement plate is fixedly installed on the vehicle frame, and multiple second placement plates are spaced apart on one side of the first placement plate. The adjustment mechanism includes a second motor, a bidirectional screw rod, an internal threaded sleeve and a scissors-fork mechanism. The threaded sections on both sides of the bidirectional screw rod are respectively threadedly connected with internal threaded sleeves. The two internal threaded sleeves are respectively hinged to the two end points of one end of the scissors-fork mechanism. The scissors-fork mechanism and the multiple second placement plates are relatively rotated and slidably connected.

4. The cart with good stability according to claim 1, characterized in that: Also included is a trash can for nursing waste.

5. The cart with good stability according to claim 4, characterized in that: The trash can is placed on a support plate, which is mounted on a vehicle frame. A placement slot for placing the trash can is provided on the support plate, and magnets that attract each other are provided at the bottom of the placement slot and the bottom of the trash can.

6. The cart with good stability according to claim 1, characterized in that: It also includes an auxiliary unit, which includes an auxiliary plate, a third connecting member and a sliding member. An auxiliary plate is provided on the top of the frame. There are two auxiliary plates in total and they are symmetrically arranged. The ends of the two auxiliary plates away from each other are respectively hinged to the third connecting member, and the end of the third connecting member away from the auxiliary plate is hinged to the sliding member. The sliding member is slidably connected to the side of the frame, and a ratchet bar is fixed to the side of the frame. A positioning pawl that cooperates with the ratchet bar is provided on the sliding member, and an elastic member is connected between the positioning pawl and the ratchet bar, and the elastic force of the elastic member drives the positioning pawl to engage with the ratchet bar.

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