A dressing changing cart with convenient height adjustment

Abstract

The utility model discloses a dressing change cart which is easy to adjust the height, belonging to the technical field of dressing change carts, and comprises a base, an upper end of the base is fixedly connected with a transmission mechanism, an upper end of the transmission mechanism is fixedly connected with a support plate, a side of the support plate is provided with a first expansion plate, an upper end of the base is fixedly connected with a box body, a side of the box body is fixedly connected with a fixing mechanism, the fixing mechanism comprises a third shell, the third shell is fixedly connected to the side of the box body, a second forward and reverse motor is fixedly connected inside the third shell, and a beneficial effect is that this dressing change cart which is easy to adjust the height, by setting the fixing mechanism, when it is necessary to adjust the height of the fixed seat, firstly, the second forward and reverse motor is controlled to operate by a control switch, thereby driving the rotation of the second threaded column, and under the cooperation of the second threaded column and the threaded sleeve, the fixed seat is driven to move, thereby achieving the purpose of adjusting the height of the fixed seat.

Description

Technical Field

[0001] The utility model relates to the technical field of dressing change carts, and more specifically, to a dressing change cart which is convenient for adjusting the height. Background Art

[0002] Surgery is a clinical department set up in hospitals at all levels to diagnose and treat various diseases. The nursing cart is one of the common nursing devices in surgery. Because most surgical patients require surgery, medical staff use nursing carts to carry medicines and equipment to care for patients in the ward.

[0003] The existing device cannot adjust the height, resulting in people being unable to adjust the height of the device as needed, affecting people's use. At the same time, when the staff is working and the working area is insufficient, the workbench cannot be expanded, resulting in inconvenience for the staff at work and low work efficiency. At the same time, the existing device cannot clamp the patient's affected limb, which is inconvenient when changing dressings. To solve the above problems, we have launched the following device. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a dressing change cart with an easily adjustable height, which has the characteristics of being easy to adjust the height of the device, expanding the working area, and clamping the patient's affected limb.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a dressing change cart which is easy to adjust the height, comprising a base, the upper end of the base is fixedly connected to a transmission mechanism, the upper end of the transmission mechanism is fixedly connected to a support plate, a first expansion plate is arranged on a side of the support plate, the upper end of the base is fixedly connected to a box body, the side of the box body is fixedly connected to a fixing mechanism, the fixing mechanism comprises a third shell, the third shell is fixedly connected to the side of the box body, a second forward and reverse motor is fixedly connected to the inside of the third shell, an output end of the second forward and reverse motor is fixedly connected to a second threaded column, an upper end of the second threaded column is fixedly connected to a first rotating shaft, an inner wall of the third shell is fixedly connected to a first bearing, an upper end of the first rotating shaft is penetrated in the first bearing, a threaded sleeve is threadedly connected to a surface of the second threaded column, a fourth connecting block is fixedly connected to a side of the threaded sleeve, and a fourth connecting block is fixedly connected to a side of the fourth connecting block A fixing seat is connected, the upper end of the fixing seat is fixedly connected to the limiting frame, the surface of the limiting frame is penetrated by a second threaded tube, the inside of the second threaded tube is threadedly connected to a third threaded column, one end of the third threaded column is fixedly connected to a knob, and the other end of the third threaded column is fixedly connected to the second rotating shaft, the limiting frame is fixedly connected to the second telescopic rod, the lower end of the second telescopic rod is fixedly connected to a fixing plate, the upper end of the fixing plate is fixedly connected to a second bearing, the lower end of the second rotating shaft is penetrated by the second bearing, the inside of the fixing seat is fixedly connected to the second sliding rod, the surface of the second sliding rod is slidably connected to a second sliding sleeve, the side of the second sliding sleeve is fixedly connected to the second expansion plate, the side of the second expansion plate is provided with a threaded hole, the threaded holes are in total, and are symmetrically arranged on both sides of the second expansion plate, the side of the fixing seat is penetrated by a bolt, and the bolt is threadedly connected in the threaded hole.

[0008] When using a dressing change cart that is easy to adjust the height of the technical solution, by setting a fixing mechanism, when it is necessary to adjust the height of the fixing seat, first control the second forward and reverse motor through the control switch, thereby driving the rotation of the second threaded column, and with the cooperation of the second threaded column and the threaded sleeve, the fixing seat can be driven to move, thereby achieving the purpose of adjusting the height of the fixing seat, which is convenient for medical staff to change dressings for patients. When it is necessary to adjust the supporting range according to the length of the patient's affected limb, first rotate the bolt to disengage the bolt from the threaded hole, and then pull the second expansion plate, and with the cooperation of the second sliding rod and the second sliding sleeve, the second expansion plate can be directed to move to the indicated height. The screw threaded rod is then turned to fix the position, and then the bolt is turned in the opposite direction to make the bolt threadedly connected with the threaded hole again, so as to achieve the purpose of adjusting the support range. When the patient's affected limb needs to be fixed, the affected limb is first inserted into the two sets of limit frames in sequence, and then the knob is rotated to drive the rotation of the third threaded column. With the cooperation of the third threaded column and the second threaded tube, the fixing plate can be driven to move. When the lower surface of the fixing plate overlaps the upper surface of the affected limb, it is only necessary to stop turning the knob, so that the affected limb of different patients can be fixed. With the cooperation of the second telescopic rod, the fixing plate can be moved in a directional manner to avoid displacement during the movement, thereby improving the practicality of the device.

[0009] Furthermore, the transmission mechanism includes a second shell, the second shell is fixedly connected to the upper end of the base, a first forward and reverse motor is fixedly connected inside the second shell, a first threaded column is fixedly connected to the output end of the first forward and reverse motor, a first threaded tube is threadedly connected to the upper end of the first threaded column, and the upper end of the first threaded tube is fixedly connected to the lower surface of the support plate.

[0010] Furthermore, a connecting plate is fixedly connected to the lower surface of the support plate, a first connecting block is fixedly connected to the side of the connecting plate, a second connecting block is fixed to the side of the first extension plate, the first connecting block and the second connecting block are movably connected via a pin, the lower end of the first extension plate is fixedly connected to a limiting groove, a third connecting block is fixedly connected to the side of the connecting plate, a connecting rod is movably connected to the side of the third connecting block via a pin, and the other end of the connecting rod is clamped in the limiting groove.

[0011] Furthermore, a first shell is fixedly connected inside the box body, a first slide rod is fixedly connected inside the first shell, a first slide sleeve is slidably connected to the surface of the first slide rod, a storage box is fixedly connected to the side of the first slide sleeve, and a handle is fixedly connected to the side of the storage box.

[0012] Furthermore, a first telescopic rod is fixedly connected to the upper end of the base, and the upper end of the first telescopic rod is fixedly connected to the lower end of the support plate. There are two groups of the first telescopic rods, which are symmetrically distributed on the upper end of the base.

[0013] Furthermore, an energy storage compartment is provided inside the base, a battery is fixedly connected inside the energy storage compartment, and a control switch is fixedly connected to the side of the box body.

[0014] Furthermore, a universal wheel is fixedly connected to the lower surface of the base, a brake pad is arranged on the side of the universal wheel, there are a plurality of universal wheels, and they are arranged in a rectangular shape at the lower end of the base, and a push rod is fixedly connected to the side of the base.

[0015] (3) Beneficial effects

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. A dressing change cart that is easy to adjust the height, by setting a fixing mechanism, when it is necessary to adjust the height of the fixing seat, firstly, the second forward and reverse motor is controlled by the control switch to operate, thereby driving the rotation of the second threaded column, and under the cooperation of the second threaded column and the threaded sleeve, the fixing seat can be driven to move, thereby achieving the purpose of adjusting the height of the fixing seat, which is convenient for medical staff to change dressings for patients, and when it is necessary to adjust the support range according to the length of the patient's affected limb, firstly, the bolt is rotated to disengage the bolt from the threaded hole, and then the second extension plate is pulled, and under the cooperation of the second slide rod and the second slide sleeve, the second extension plate can be directionally moved to the specified position. , and then, the bolt is rotated in the opposite direction to make the bolt threadedly connected with the threaded hole again, so as to achieve the purpose of adjusting the support range. When the patient's affected limb needs to be fixed, the affected limb is first inserted into the two sets of limit frames in sequence, and then the knob is rotated to drive the rotation of the third threaded column. With the cooperation of the third threaded column and the second threaded tube, the fixing plate can be driven to move. When the lower surface of the fixing plate overlaps the upper surface of the affected limb, it is only necessary to stop rotating the knob, so that the affected limb of different patients can be fixed. With the cooperation of the second telescopic rod, the fixing plate can be moved in a directional manner to avoid displacement during the movement, thereby improving the practicality of the device.

[0018] 2. This dressing change cart that is easy to adjust in height is provided with a first expansion plate and a connecting rod. When the operating area needs to be expanded, the connecting rod and the first expansion plate are first rotated so that the connecting rod is engaged in the limiting groove, thereby achieving the purpose of expanding the operating area and improving the practicability of the device.

[0019] 3. This dressing change cart that is easy to adjust in height is provided with a transmission mechanism. When the height of the device needs to be adjusted, the first forward and reverse motor is controlled by a control switch to drive the first threaded column to rotate. With the cooperation of the first threaded column and the first threaded tube, the support plate is driven to move. When the support plate reaches a specified position, the first forward and reverse motor is controlled to stop operating by the control switch, thereby adjusting the height of the device. With the cooperation of the first telescopic rod, the support plate can be moved in a directional manner to avoid displacement during the movement, thereby improving the work efficiency of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model in a frontal perspective;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model in a side-view stereoscopic manner;

[0023] Figure 3 It is a schematic diagram of the structure of the utility model in a frontal perspective cross-sectional view;

[0024] Figure 4 It is a three-dimensional structural diagram of the angle adjustment mechanism in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the front view and section view of the fixing mechanism in the utility model;

[0026] Figure 6 It is a schematic diagram of the structure of the fixed seat in the utility model in a top view and a cross-section.

[0027] The symbols in the accompanying drawings are:

[0028] 1. Base; 2. Transmission mechanism; 201. Second housing; 202. First forward and reverse motor; 203. First threaded column; 204. First threaded tube; 3. Support plate; 4. Connecting plate; 5. First extension plate; 6. First telescopic rod; 7. Box; 8. Fixing mechanism; 801. Third housing; 802. Second forward and reverse motor; 803. Second threaded column; 804. First rotating shaft; 805. First bearing; 806. Threaded sleeve; 807. Fourth connecting block; 808. Fixed seat; 809. Limiting frame; 810. Second threaded tube; 811. Third threaded column; 812. Rotating button; 813, second rotating shaft; 814, second bearing; 815, fixing plate; 816, second telescopic rod; 817, second sliding rod; 818, second sliding sleeve; 819, second extension plate; 820, bolt; 821, threaded hole; 9, storage box; 10, first shell; 11, first sliding rod; 12, first sliding sleeve; 13, handle; 14, energy storage compartment; 15, battery; 16, control switch; 17, universal wheel; 18, brake pad; 19, push rod; 20, first connecting block; 21, second connecting block; 22, third connecting block; 23, connecting rod; 24, limit groove. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0030] Example:

[0031] The following is combined with Figure 1-6 The utility model is described in further detail.

[0032] See also Figure 1-6The utility model provides a technical solution: a dressing change cart that is easy to adjust the height, including a base 1, a transmission mechanism 2 is fixedly connected to the upper end of the base 1, a support plate 3 is fixedly connected to the upper end of the transmission mechanism 2, a first expansion plate 5 is arranged on the side of the support plate 3, a box 7 is fixedly connected to the upper end of the base 1, a fixing mechanism 8 is fixedly connected to the side of the box 7, the fixing mechanism 8 includes a third shell 801, the third shell 801 is fixedly connected to the side of the box 7, a second forward and reverse motor 802 is fixedly connected inside the third shell 801, a second threaded column 803 is fixedly connected to the output end of the second forward and reverse motor 802, a first rotating shaft 804 is fixedly connected to the upper end of the second threaded column 803, a first bearing 805 is fixedly connected to the inner wall of the third shell 801, the upper end of the first rotating shaft 804 is penetrated in the first bearing 805, a threaded sleeve 806 is threadedly connected to the surface of the second threaded column 803, a fourth connecting block 807 is fixedly connected to the side of the threaded sleeve 806, a fixing seat 808 is fixedly connected to the side of the fourth connecting block 807, and a fixing seat 808 is fixedly connected to the upper end of the fixing seat 808 A second threaded tube 810 is provided on the surface of the limit frame 809, a third threaded column 811 is threadedly connected to the inside of the second threaded tube 810, a knob 812 is fixedly connected to one end of the third threaded column 811, a second rotating shaft 813 is fixedly connected to the other end of the third threaded column 811, a second telescopic rod 816 is fixedly connected to the inside of the limit frame 809, a fixing plate 815 is fixedly connected to the lower end of the second telescopic rod 816, a second bearing 814 is fixedly connected to the upper end of the fixing plate 815, and a second The lower end of the rotating shaft 813 is inserted into the second bearing 814, and a second sliding rod 817 is fixedly connected inside the fixed seat 808. A second sliding sleeve 818 is slidably connected to the surface of the second sliding rod 817. A second extension plate 819 is fixedly connected to the side of the second sliding sleeve 818. A threaded hole 821 is opened on the side of the second extension plate 819. There are multiple threaded holes 821, which are symmetrically arranged on both sides of the second extension plate 819. A bolt 820 is inserted into the side of the fixed seat 808, and the bolt 820 is threadedly connected in the threaded hole 821.

[0033] By adopting the above technical solution, the dressing change cart which is easy to adjust the height is provided with a fixing mechanism 8. When it is necessary to adjust the height of the fixing seat 808, the second forward and reverse motor 802 is first controlled by the control switch 16 to operate, thereby driving the rotation of the second threaded column 803. With the cooperation of the second threaded column 803 and the threaded sleeve 806, the fixing seat 808 is driven to move, thereby achieving the purpose of adjusting the height of the fixing seat 808, which is convenient for medical staff to change dressings for patients. When it is necessary to adjust the support range according to the length of the patient's affected limb, the bolt 820 is first rotated to disengage the bolt 820 from the threaded hole 821, and then the second expansion plate 819 is pulled. With the cooperation of the second sliding rod 817 and the second sliding sleeve 818, the second expansion plate 819 is The limb of the patient is fixed to the specified position, and then the bolt 820 is rotated in the opposite direction to make the bolt 820 threadedly connected with the threaded hole 821 again, so as to achieve the purpose of adjusting the support range. When the patient's affected limb needs to be fixed, the affected limb is first inserted into the two sets of limit frames 809 in sequence, and then the knob 812 is rotated to drive the rotation of the third threaded column 811. With the cooperation of the third threaded column 811 and the second threaded tube 810, the fixing plate 815 can be driven to move. When the lower surface of the fixing plate overlaps the upper surface of the affected limb, it is only necessary to stop rotating the knob 812, so that the affected limb of different patients can be fixed. With the cooperation of the second telescopic rod 816, the fixing plate 815 can be moved in a directional manner to avoid displacement during the movement, thereby improving the practicality of the device.

[0034] Specifically, the transmission mechanism 2 includes a second shell 201, the second shell 201 is fixedly connected to the upper end of the base 1, a first forward and reverse motor 202 is fixedly connected inside the second shell 201, a first threaded column 203 is fixedly connected to the output end of the first forward and reverse motor 202, the upper end of the first threaded column 203 is threadedly connected to the first threaded tube 204, and the upper end of the first threaded tube 204 is fixedly connected to the lower surface of the support plate 3.

[0035] By adopting the above technical solution, a dressing change cart that is easy to adjust the height is provided with a transmission mechanism 2. When the height of the device needs to be adjusted, the first forward and reverse motor 202 is controlled by the control switch 16 to operate, thereby driving the rotation of the first threaded column 203. With the cooperation of the first threaded column 203 and the first threaded tube 204, the support plate 3 is driven to move. When the support plate 3 reaches the specified position, the first forward and reverse motor 202 is controlled to stop operating through the control switch 16, thereby adjusting the height of the device. With the cooperation of the first telescopic rod 6, the support plate 3 can be moved in a directional manner to avoid deviation during the movement, thereby improving the work efficiency of the staff.

[0036] Specifically, a connecting plate 4 is fixedly connected to the lower surface of the support plate 3, a first connecting block 20 is fixedly connected to the side of the connecting plate 4, a second connecting block 21 is fixed to the side of the first extension plate 5, the first connecting block 20 and the second connecting block 21 are movably connected through a pin, the lower end of the first extension plate 5 is fixedly connected to a limiting groove 24, a third connecting block 22 is fixedly connected to the side of the connecting plate 4, a connecting rod 23 is movably connected to the side of the third connecting block 22 through a pin, and the other end of the connecting rod 23 is clamped in the limiting groove 24.

[0037] By adopting the above technical solution, the dressing change cart which is easy to adjust the height is provided with a first expansion plate 5 and a connecting rod 23. When it is necessary to expand the operating area, the connecting rod 23 and the first expansion plate 5 are first rotated so that the connecting rod 23 is engaged in the limiting groove 24, thereby achieving the purpose of expanding the operating area and improving the practicability of the device.

[0038] Specifically, the box body 7 is fixedly connected to the inside of the first shell 10, the first slide bar 11 is fixedly connected to the inside of the first shell 10, the first slide bar 11 is slidably connected to the surface of the first slide sleeve 12, the side of the first slide sleeve 12 is fixedly connected to the storage box 9, and the side of the storage box 9 is fixedly connected to the handle 13.

[0039] Specifically, the upper end of the base 1 is fixedly connected with a first telescopic rod 6 , and the upper end of the first telescopic rod 6 is fixedly connected to the lower end of the support plate 3 . There are two groups of first telescopic rods 6 , which are symmetrically distributed on the upper end of the base 1 .

[0040] Specifically, an energy storage compartment 14 is provided inside the base 1 , a battery 15 is fixedly connected inside the energy storage compartment 14 , and a control switch 16 is fixedly connected to the side of the box body 7 .

[0041] Specifically, a universal wheel 17 is fixedly connected to the lower surface of the base 1, and a brake pad 18 is provided on the side of the universal wheel 17. There are a plurality of universal wheels 17, which are arranged in a rectangular shape at the lower end of the base 1, and a push rod 19 is fixedly connected to the side of the base 1.

[0042] The working principle of the utility model is as follows: when in use, one only needs to push the device, and with the cooperation of the universal wheel 17, people can move the device to a position suitable for the use of the device. When the device needs to be fixed, one only needs to adjust the brake pad 18 on the side of the universal wheel 17 to the braking state, thereby ensuring that the device can maintain a stable working state during normal use. When the height of the device needs to be adjusted, it is necessary to control the first forward and reverse motor 202 to operate through the control switch 16, thereby driving the rotation of the first threaded column 203. With the cooperation of the first threaded column 203 and the first threaded tube 204, The support plate 3 can be driven to move. When the support plate 3 reaches the specified position, the first forward and reverse motor 202 can be controlled to stop operating by controlling the control switch 16. At the same time, with the cooperation of the first telescopic rod 6, the support plate 3 can be moved in a directional manner when moving, so as to avoid the support plate 3 from being offset when moving. When it is necessary to expand the operating area, the first expansion plate 5 and the connecting rod 23 are rotated so that the connecting rod 23 is clamped in the limiting groove 24, thereby achieving the purpose of expanding the operating area. When it is necessary to take or place items from the storage box 9, the handle 13 is first pulled, and with the cooperation of the first slide bar 11 and the first sleeve 12, the storage box 9 can be moved. When it is necessary to fix the affected limbs of different patients, the control switch 16 is first required to control the second forward and reverse motor 802 to operate, thereby driving the second threaded column 803 to rotate. Under the cooperation of the second threaded column 803 and the threaded sleeve 806, the fixing seat 808 can be moved. When the fixing seat 808 reaches the specified position, the control switch 16 is required to control the second forward and reverse motor 802 to stop operating, and then rotate the bolt 820 to disengage the bolt 820 from the threaded hole 821, and then pull the second expansion plate 819. Under the cooperation of the second sliding rod 817 and the second sliding sleeve 818, the second expansion plate 8 19 is moved. When the second expansion plate 819 moves to a suitable position, the bolt 820 is rotated in the opposite direction so that the bolt 820 is reconnected with the threaded hole 821. When the patient's affected limb needs to be fixed, the affected limb is first placed inside the limit frame 809, and then the knob 812 is turned to drive the rotation of the third threaded column 811. With the cooperation of the third threaded column 811 and the second threaded tube 810, the fixing plate 815 can be moved so that it can be fixed according to the affected limb of different patients. With the cooperation of the second telescopic rod 816, the fixing plate 815 can be moved in a directional manner to avoid jamming during movement.

[0043] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A dressing change cart with easily adjustable height, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a transmission mechanism (2), the upper end of the transmission mechanism (2) is fixedly connected to a support plate (3), a side of the support plate (3) is provided with a first expansion plate (5), the upper end of the base (1) is fixedly connected to a box (7), the side of the box (7) is fixedly connected to a fixing mechanism (8), the fixing mechanism (8) comprises a third shell (801), the third shell (801) is fixedly connected to the side of the box (7), a second forward and reverse motor (802) is fixedly connected inside the third shell (801), and an output end of the second forward and reverse motor (802) is fixedly connected to a third shell (801). The second threaded column (803) has a first rotating shaft (804) fixedly connected to its upper end, a first bearing (805) fixedly connected to the inner wall of the third housing (801), the upper end of the first rotating shaft (804) passing through the first bearing (805), a threaded sleeve (806) threadedly connected to the surface of the second threaded column (803), a fourth connecting block (807) fixedly connected to the side of the threaded sleeve (806), a fixed seat (808) fixedly connected to the side of the fourth connecting block (807), the upper end of the fixed seat (808) fixedly connected to a limiting frame (809), and the A second threaded tube (810) is provided on the surface of the limiting frame (809); a third threaded column (811) is threadedly connected inside the second threaded tube (810); one end of the third threaded column (811) is fixedly connected to a knob (812); the other end of the third threaded column (811) is fixedly connected to a second rotating shaft (813); a second telescopic rod (816) is fixedly connected inside the limiting frame (809); a fixing plate (815) is fixedly connected to the lower end of the second telescopic rod (816); a second bearing (814) is fixedly connected to the upper end of the fixing plate (815); and a second rotating shaft (813) is fixedly connected to the lower end of the second rotating shaft (813). The end is passed through the second bearing (814), the fixed seat (808) is fixedly connected with a second slide rod (817) inside, the surface of the second slide rod (817) is slidably connected with a second sleeve (818), the side of the second sleeve (818) is fixedly connected with a second expansion plate (819), the side of the second expansion plate (819) is provided with a threaded hole (821), there are a plurality of threaded holes (821), and they are symmetrically arranged on both sides of the second expansion plate (819), the side of the fixed seat (808) is passed through with a bolt (820), and the bolt (820) is threadedly connected in the threaded hole (821).

2. A dressing change cart with easy height adjustment according to claim 1, characterized in that: The transmission mechanism (2) comprises a second shell (201), the second shell (201) is fixedly connected to the upper end of the base (1), a first forward and reverse motor (202) is fixedly connected inside the second shell (201), a first threaded column (203) is fixedly connected to the output end of the first forward and reverse motor (202), the upper end of the first threaded column (203) is threadedly connected to a first threaded tube (204), and the upper end of the first threaded tube (204) is fixedly connected to the lower surface of the support plate (3).

3. The dressing change cart with easy height adjustment according to claim 1, characterized in that: The lower surface of the support plate (3) is fixedly connected to a connecting plate (4), the side of the connecting plate (4) is fixedly connected to a first connecting block (20), the side of the first extension plate (5) is fixedly connected to a second connecting block (21), the first connecting block (20) and the second connecting block (21) are movably connected via a pin shaft, the lower end of the first extension plate (5) is fixedly connected to a limiting groove (24), the side of the connecting plate (4) is fixedly connected to a third connecting block (22), the side of the third connecting block (22) is movably connected to a connecting rod (23) via a pin shaft, and the other end of the connecting rod (23) is clamped in the limiting groove (24).

4. The dressing change cart with easy height adjustment according to claim 1, characterized in that: The box body (7) is fixedly connected to a first shell (10) inside, the first shell (10) is fixedly connected to a first slide bar (11) inside, the surface of the first slide bar (11) is slidably connected to a first slide sleeve (12), the side of the first slide sleeve (12) is fixedly connected to a storage box (9), and the side of the storage box (9) is fixedly connected to a handle (13).

5. The dressing change cart with easy height adjustment according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected to a first telescopic rod (6), the upper end of the first telescopic rod (6) is fixedly connected to the lower end of the support plate (3), and there are two groups of the first telescopic rods (6) which are symmetrically distributed on the upper end of the base (1).

6. The dressing change cart with easy height adjustment according to claim 1, characterized in that: An energy storage compartment (14) is provided inside the base (1), a storage battery (15) is fixedly connected inside the energy storage compartment (14), and a control switch (16) is fixedly connected to the side of the box body (7).

7. The dressing change cart with easy height adjustment according to claim 1, characterized in that: A universal wheel (17) is fixedly connected to the lower surface of the base (1), a brake pad (18) is arranged on the side of the universal wheel (17), there are a plurality of universal wheels (17) arranged in a rectangular shape at the lower end of the base (1), and a push rod (19) is fixedly connected to the side of the base (1).

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