Child nutrient substance input mechanism for picu

Abstract

The invention discloses a child nutrient substance input mechanism for picu, and belongs to the technical field of stomach tubes. The supporting plate is composed of a U-shaped plate and a transverse plate, and an adjustable supporting mechanism is arranged between the lower end of the U-shaped plate and the fixing ring. An auxiliary wire fixing mechanism is arranged at the upper end of the fixing ring; a placing frame is fixedly mounted at the right end of the first rotating shaft, and a pumping mechanism easy to disassemble and assemble is mounted at the right end of the second rotating shaft; the first rotating shaft and the second rotating shaft are in transmission connection through a linkage type swing mechanism, so that the first rotating shaft continuously rotates forwards and backwards while the second rotating shaft continuously rotates in one direction. By means of the mode, a medical worker can control the fixing ring to vertically move through the adjustable supporting mechanism so as to change the distance between the U-shaped plate and the fixing ring, so that the head limiting device can limit and fix the heads of children of different body types, the heads of the children can turn when the heads of the children are limited, and the comfort degree of the children during nasal feeding is increased.

Description

Technical Field

[0001] The invention relates to the technical field of gastric tubes, and in particular to a children's nutrient input mechanism for a PICU. Background Art

[0002] In PICU, children on ventilators are usually fed nutrients through nasogastric feeding.

[0003] The patent with publication number CN117547469A discloses a nasogastric feeding device for children with critical and severe diseases, including a base plate, a fixed cylinder, a movable cylinder and a cross plate, wherein a fixed cylinder is fixedly installed on the upper end of the base plate, and a movable cylinder is slidably installed inside the fixed cylinder, a mounting block is fixedly installed on the upper end of the cross plate, and a mounting cover is snap-fitted inside the mounting block, a driving motor is fixedly installed inside the mounting cover, and a rotating rod is fixedly installed on the output end of the driving motor. However, when using the nasogastric feeding device, if there is no fixed limiting structure for children, the children may pull the infusion tube due to nervousness, causing the infusion tube to be entangled and scattered, affecting the nasogastric feeding operation, and if the children are fixed for a long time, it may aggravate the children's discomfort.

[0004] Based on this, the present invention designs a children's nutrient input mechanism for PICU to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a children's nutrient input mechanism for pICU.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A children's nutrition material input mechanism for a PICU, comprising a support plate;

[0008] The support plate is composed of a U-shaped plate and horizontal plates symmetrically fixed to the left and right sides of the U-shaped plate, the U-shaped plate is used to support the child's head; the lower end of the horizontal plate is fixed to a base; the U-shaped plate is provided with a movable groove for accommodating a fixing ring;

[0009] An adjustable support mechanism is provided between the lower end of the U-shaped plate and the fixing ring, for supporting the fixing ring and allowing the fixing ring to rotate freely;

[0010] The upper end of the fixing ring is provided with an auxiliary fixing mechanism for fixing the infusion tube, which can prevent the infusion tube from being damaged due to scratching by children;

[0011] The side wall of the right base is rotatably mounted with a first rotating shaft and a second rotating shaft through a bearing, the motor is fixedly mounted on the side wall of the base, and the output end of the motor is fixedly connected to the second rotating shaft;

[0012] A placement rack for placing liquid food bottles is fixedly installed on the right end of the first rotating shaft, and an easily detachable pumping mechanism for convenient disassembly and assembly of the infusion tube is installed on the right end of the second rotating shaft; the first rotating shaft and the second rotating shaft are connected by a linkage swing mechanism, so that while the second rotating shaft continues to rotate in one direction, the first rotating shaft continuously rotates forward and reverse.

[0013] Furthermore, the adjustable support mechanism includes a rotating support assembly and a cross bar. The rotating support assembly is provided with two groups and is symmetrically distributed on the left and right sides of the lower end of the U-shaped plate. The rotating support assembly includes a support block, side plates, rollers and a telescopic limit assembly, a telescopic outer rod, a telescopic inner rod and an adjustment knob. The front and rear sides of the support block are symmetrically fixed with side plates, and a number of rollers that are rollingly connected to the fixed ring are rotatably installed between the side plates. The rollers are distributed on the inner and outer sides of the fixed ring for supporting and limiting the fixed ring; a telescopic limit assembly is installed between the U-shaped plate and the support block, and a cross bar is fixedly installed between the two groups of telescopic limit assemblies.

[0014] Furthermore, the auxiliary line fixing mechanism includes a bracket, a limiting cylinder, a block and a first spring. The bracket is fixedly installed on the top of the fixing ring, the inner side of the bracket is slidingly connected to the limiting cylinder, and the inner side of the limiting cylinder is clamped with the infusion tube; blocks are fixedly installed on both the front and rear ends of the limiting cylinder, and a first spring is fixedly installed between one of the blocks and the bracket.

[0015] Furthermore, the placement rack includes an upper clamping block, a lower clamping block and a connecting plate. The upper clamping block is set to be semi-circular, and the lower clamping block is set to be ring-shaped. The diameter of the upper clamping block is larger than the diameter of the lower clamping block. A connecting plate is fixedly installed between the upper clamping block and the lower clamping block; the upper clamping block is fixedly connected to the right end of the first rotating shaft.

[0016] Furthermore, the linkage swing mechanism includes a swing limit assembly, a linkage plate, a linkage groove, a rotating disk and an eccentric column, and a swing limit assembly is arranged between the side wall of the base and the lower clamping block; one end of the linkage plate is fixedly connected to the first rotating shaft, and the other end of the linkage plate is provided with a linkage groove; a rotating disk is fixedly installed on the second rotating shaft, and an eccentric column is fixedly installed on the rotating disk and is slidingly connected to the linkage groove.

[0017] Furthermore, the swing limit assembly includes a swing groove and a swing rod, the side wall of the base is provided with a swing groove, and the outer wall of the lower clamping block is fixedly mounted with a swing rod which is slidably connected to the swing groove.

[0018] Furthermore, the easily disassembled pumping mechanism includes a rotating block, a pressure wheel, a limit angle block, a pressure cover and a bevel block. The rotating block is fixedly installed on the right end of the second rotating shaft, and the pressure wheels are evenly fixedly installed on the rotating block in a circular array at equal intervals; the limit angle block is connected to the side wall of the base in a limiting sliding manner through a limiting structure, so that the limit angle block can move radially along the rotating block; a accommodating cavity for placing an infusion tube is formed between the limit angle block and the pressure wheel; and a slot for plugging into the pressure cover is opened on the side wall of the base.

[0019] Furthermore, an inclined block slidably connected to the pressure cover is fixedly mounted on the limiting angle block; and a locking block for locking the limiting angle block and the pressure cover is also arranged on the pressure cover.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. Medical staff can control the vertical movement of the fixing ring by pulling the cross bar to change the distance between the U-shaped plate and the fixing ring, so that the present invention can limit and fix the heads of children of different body sizes, and the child's head can turn when it is restricted, thereby increasing the comfort of the child during nasogastric feeding and preventing the child from panicking; the end of the infusion tube is fixed by the limiting cylinder, which effectively prevents the infusion tube from being entangled when the child turns his head, and the limiting cylinder can slide back and forth, so that the movement of the infusion tube has a certain redundancy, further increasing the comfort of the child when realizing the wire management function.

[0021] 2. In the process of continuously pumping the liquid food out of the liquid food bottle by rotating the pressing wheel, the placement frame is driven by the linkage swing mechanism to swing back and forth around the first rotating axis under the limiting action of the swing groove and the swing rod, so that the liquid food bottle is constantly shaken to avoid uneven liquid food and blockage of the infusion tube caused by the precipitation of the liquid food.

[0022] 3. The infusion tube will be worn and lose its elasticity due to the squeezing of the pressure wheel during long-term use. The present application can adjust the position of the limit angle block and control the clamping and release of the infusion tube in the accommodating cavity by controlling the disassembly and assembly of the pressure cover, thereby facilitating the replacement of the infusion tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 A three-dimensional structure of a children's nutrition material input mechanism for PICU according to the present invention Figure 1 ;

[0025] Figure 2A front view of a children's nutrition material input mechanism for PICU according to the present invention;

[0026] Figure 3 It is a right side view of a children's nutrition material input mechanism for PICU of the present invention;

[0027] Figure 4 A three-dimensional structure of a children's nutrition material input mechanism for PICU according to the present invention Figure 2 ;

[0028] Figure 5 A three-dimensional structure of a children's nutrition material input mechanism for PICU according to the present invention Figure 3 ;

[0029] Figure 6 A three-dimensional structure of a children's nutrition material input mechanism for PICU according to the present invention Figure 4 ;

[0030] Figure 7 A three-dimensional structure of a children's nutrition material input mechanism for PICU according to the present invention Figure 5 .

[0031] The numbers in the figure represent:

[0032] 10. Support plate; 101. Horizontal plate; 102. U-shaped plate; 11. Movable groove; 12. Base; 13. Fixed ring; 14. First rotating shaft; 15. Second rotating shaft; 16. Motor; 17. Cable management pin; 2. Adjustable support mechanism; 21. Support block; 22. Side plate; 23. Roller; 24. Telescopic outer rod; 25. Telescopic inner rod; 26. Adjustment knob; 27. Horizontal rod; 3. Auxiliary cable fixing mechanism; 31. Bracket; 32. Limiting cylinder; 3 3. Stop block; 34. First spring; 4. Placement rack; 41. Upper clamping block; 42. Lower clamping block; 43. Connecting plate; 5. Linkage type swing mechanism; 51. Swinging slot; 52. Swinging rod; 53. Linkage plate; 54. Linkage slot; 55. Rotating disk; 56. Eccentric column; 6. Easily disassembled pumping mechanism; 61. Rotating block; 62. Pressure wheel; 63. Limiting angle block; 64. Fixed plate; 65. Second spring; 66. Sliding rod; 67. Pressure cover; 68. Oblique block. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 4 , a children's nutrition material input mechanism for PICU, comprising a support plate 10;

[0036] The support plate 10 is composed of a U-shaped plate 102 and a horizontal plate 101 symmetrically fixed to the left and right sides of the U-shaped plate 102. The U-shaped plate 102 is used to support the child's head. The lower end of the horizontal plate 101 is fixed to a base 12. The U-shaped plate 102 is provided with a movable groove 11 for accommodating a fixing ring 13.

[0037] An adjustable support mechanism 2 is provided between the lower end of the U-shaped plate 102 and the fixing ring 13 for supporting the fixing ring 13 and allowing the fixing ring 13 to rotate freely;

[0038] The upper end of the fixing ring 13 is provided with an auxiliary fixing mechanism 3 for fixing the infusion tube, and the auxiliary fixing mechanism 3 can prevent the infusion tube from being damaged due to scratching by children;

[0039] The side wall of the right base 12 is rotatably mounted with a first rotating shaft 14 and a second rotating shaft 15 through a bearing, a motor 16 is fixedly mounted on the side wall of the base 12, and an output end of the motor 16 is fixedly connected to the second rotating shaft 15 through a gear box (not shown in the figure);

[0040] The right end of the first rotating shaft 14 is fixedly mounted with a placement rack 4 (not shown in the figure) for placing a liquid food bottle, and the right end of the second rotating shaft 15 is mounted with an easy-to-detach pumping mechanism 6 (not shown in the figure) for facilitating the disassembly and assembly of an infusion tube; the first rotating shaft 14 and the second rotating shaft 15 are connected by a linkage swing mechanism 5, so that while the second rotating shaft 15 continuously rotates in one direction, the first rotating shaft 14 continuously rotates forward and reversely;

[0041] A plurality of wire management pins 17 for arranging the infusion tubes are also fixedly mounted on the base 12;

[0042] In the present invention, the head of the sick child is placed between the U-shaped plate 102 and the fixing ring 13, and the fixing ring 13 is moved vertically downward by the adjustable support mechanism 2 until the U-shaped plate 102 and the fixing ring 13 cooperate to fix the child's head, and the child's head can rotate freely with the U-shaped plate 102; the medical staff puts the liquid food bottle into the placement rack 4, connects the infusion tube to the discharge end of the liquid food bottle, and passes the infusion tube through the easily detachable pumping mechanism 6 and the auxiliary fixing mechanism 3 in sequence, starts the motor 16 to drive the second rotating shaft 15 to rotate, so as to drive the easily detachable pumping mechanism 6 to continuously pump the food in the liquid food bottle through the infusion tube into the child's nasogastric tube, and at the same time, the second rotating shaft 15 drives the first rotating shaft 14 to swing back and forth through the linkage swing mechanism 5, so that the liquid food bottle in the placement rack 4 swings back and forth, thereby avoiding the liquid food deposition in the liquid food bottle causing uneven liquid food and reducing the risk of infusion tube blockage.

[0043] As shown in the attached figure of the specification Figure 5 As shown, the adjustable support mechanism 2 includes a rotating support assembly and a cross bar 27. The rotating support assembly is provided with two groups and is symmetrically distributed on the left and right sides of the lower end of the U-shaped plate 102. The rotating support assembly includes a support block 21, a side plate 22, a roller 23, a telescopic outer rod 24, a telescopic inner rod 25 and an adjusting knob 26. The side plates 22 are symmetrically fixedly installed on the front and rear sides of the support block 21. A number of rollers 23 connected to the fixed ring 13 in a rolling manner are rotatably installed between the side plates 22. The rollers 23 are distributed on the inner and outer sides of the fixed ring 13 for supporting and limiting the fixed ring 13; the upper end of the telescopic inner rod 25 is fixedly connected to the lower end of the U-shaped plate 102, the lower end of the telescopic outer rod 24 is fixedly connected to the support block 21, and the telescopic outer rod 24 is limitedly slidably connected to the adjusting knob 26; a cross bar 27 is fixedly installed between the telescopic outer rods 24 of the two groups of rotating support assemblies;

[0044] The side wall of the telescopic outer rod 24 is threadedly connected to the adjusting knob 26 through a threaded sleeve. By controlling the adjusting knob 26 to advance so that its end is tightly fixed to the telescopic inner rod 25, the telescopic outer rod 24 and the telescopic inner rod 25 can be locked.

[0045] As shown in the attached figure of the specification Figure 3 As shown, the auxiliary line fixing mechanism 3 includes a bracket 31, a limiting cylinder 32, a stopper 33 and a first spring 34. The bracket 31 is fixedly mounted on the top of the fixing ring 13, and the inner side of the bracket 31 is limitedly slidably connected with the limiting cylinder 32, and the inner side of the limiting cylinder 32 is clamped with the infusion tube; the front and rear ends of the limiting cylinder 32 are fixedly mounted with stoppers 33, and a first spring 34 is fixedly mounted between one of the stoppers 33 and the bracket 31;

[0046] In the present invention, after the telescopic outer rod 24 and the telescopic inner rod 25 are unlocked, the medical staff can control the vertical movement of the fixing ring 13 by pulling the cross bar 27 to change the distance between the U-shaped plate 102 and the fixing ring 13, so that the present application can limit and fix the heads of children of different body sizes, and the child's head can turn when it is restricted, thereby increasing the comfort of the child during nasogastric feeding and preventing the child from panicking; the end of the infusion tube is fixed by the limiting cylinder 32, which effectively prevents the infusion tube from being entangled when the child turns his head, and the limiting cylinder 32 can slide back and forth, so that the movement of the infusion tube has a certain redundancy, further increasing the comfort of the child when realizing the wire management function.

[0047] As shown in the attached figure of the specification Figure 3 and Figure 6 As shown, the placement rack 4 includes an upper clamping block 41, a lower clamping block 42 and a connecting plate 43. The upper clamping block 41 is set to be semi-circular, and the lower clamping block 42 is set to be ring-shaped. The diameter of the upper clamping block 41 is larger than the diameter of the lower clamping block 42. A connecting plate 43 is fixedly installed between the upper clamping block 41 and the lower clamping block 42; the upper clamping block 41 is fixedly connected to the right end of the first rotating shaft 14; the upper clamping block 41 and the lower clamping block 42 cooperate to achieve a fixing effect of the convection food bottle, and the fluid food bottle can be clamped and fixed by the upper clamping block 41.

[0048] As shown in the attached figure of the specification Figure 4 As shown, the linkage swing mechanism 5 includes a swing groove 51, a swing rod 52, a linkage plate 53, a linkage groove 54, a rotating disk 55 and an eccentric column 56. The side wall of the base 12 is provided with a swing groove 51, and the outer wall of the lower clamping block 42 is fixedly installed with a swing rod 52 which is limitedly slidably connected to the swing groove 51; one end of the linkage plate 53 is fixedly connected to the first rotating shaft 14, and the other end of the linkage plate 53 is provided with a linkage groove 54; the second rotating shaft 15 is fixedly installed with a rotating disk 55, and the rotating disk 55 is fixedly installed with an eccentric column 56 which is limitedly slidably connected to the linkage groove 54;

[0049] In the present invention, the second rotating shaft 15 drives the rotating disk 55 to rotate, and the rotating disk 55 cooperates with the eccentric column 56 and the linkage groove 54 to make the linkage plate 53 swing back and forth, thereby driving the placement rack 4 to swing back and forth around the first rotating shaft 14 under the limiting action of the swing groove 51 and the swing rod 52, so that the liquid food bottle shakes continuously to avoid the liquid food sedimentation causing uneven liquid food and blockage of the infusion tube.

[0050] As shown in the attached figure of the specification Figure 6 and Figure 7As shown, the easily detachable pumping mechanism 6 includes a rotating block 61, a pressure wheel 62, a limiting angle block 63, a fixed plate 64, a sliding rod 66, a pressure cover 67 and an inclined block 68. The right end of the second rotating shaft 15 is fixedly installed with the rotating block 61, and the pressure wheels 62 are evenly fixedly installed on the rotating block 61 in a circular array at equal intervals; the limiting angle block 63 is slidingly connected to the side wall of the base 12 through a limiting structure such as a dovetail groove and a dovetail block limiting mechanism, so that the limiting angle block 63 can move radially along the rotating block 61; a accommodating cavity for placing an infusion tube is formed between the limiting angle block 63 and the pressure wheel 62.

[0051] The fixed plate 64 is fixedly connected to the base 12 and is located on a side of the limiting angle block 63 away from the rotating block 61. A plurality of slide bars 66 are slidably connected to the fixed plate 64, and the slide bars 66 are fixedly connected to the limiting angle block 63.

[0052] A slot for plugging into the pressure cover 67 is formed on the side wall of the base 12; an inclined block 68 slidably connected to the pressure cover 67 is fixedly mounted on the limiting angle block 63; a locking block is also provided on the pressure cover 67, and the limiting angle block 63 and the pressure cover 67 can be locked by fixing the inclined block 68 and the locking block with bolts.

[0053] In the present invention, after placing the liquid food tube between the pressing wheel 62 and the limiting angle block 63, the pressure cover 67 is aligned with the slot and inserted, and the pressure cover 67 is pressed against the inclined block 68 of the limiting angle block 63, so that the limiting angle block 63 gradually approaches the pressing wheel 62, and finally the infusion tube is fixed between the pressing wheel 62, the limiting angle block 63 and the pressure cover 67, so that the assembly and fixation of the infusion tube is achieved; and the second rotating shaft 15 drives the rotating block 61 to rotate, and the pressing wheel 62 and the limiting angle block 63 cooperate to continuously squeeze the infusion tube, and the liquid food in the liquid food bottle is continuously pumped out, so as to achieve the feeding effect for children.

[0054] Preferably, a second spring 65 is sleeved on the outer side of the slide rod 66, and the two ends of the second spring 65 are respectively abutted against the fixed plate 64 and the limiting angle block 63; when the pressure cover 67 is not assembled, the limiting angle block 63 presses the second spring 65 under the action of gravity to compress it, and there is enough assembly space between the limiting angle block 63 and the pressure wheel 62 to accommodate the infusion tube; after the pressure cover 67 is assembled, the second spring 65 is in a natural state.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A children's nutrition material input mechanism for a PICU, comprising a support plate (10), characterized in that: The support plate (10) is composed of a U-shaped plate (102) and transverse plates (101) symmetrically fixed to the left and right sides of the U-shaped plate (102); the U-shaped plate (102) is used to support the head of the child; a base (12) is fixed to the lower end of the transverse plate (101); and a movable groove (11) for accommodating a fixing ring (13) is provided on the U-shaped plate (102); An adjustable support mechanism (2) is provided between the lower end of the U-shaped plate (102) and the fixing ring (13) for supporting the fixing ring (13) and allowing the fixing ring (13) to rotate freely; An auxiliary wire fixing mechanism (3) for fixing the infusion tube is provided at the upper end of the fixing ring (13). The auxiliary wire fixing mechanism (3) can prevent the infusion tube from being damaged due to scratching by children. A first rotating shaft (14) and a second rotating shaft (15) are rotatably mounted on the side wall of the right base (12) via a bearing, a motor (16) is fixedly mounted on the side wall of the base (12), and an output end of the motor (16) is fixedly connected to the second rotating shaft (15); A placement rack (4) for placing a liquid food bottle is fixedly mounted on the right end of the first rotating shaft (14), and an easily detachable pumping mechanism (6) for conveniently detaching and assembling an infusion tube is mounted on the right end of the second rotating shaft (15); the first rotating shaft (14) and the second rotating shaft (15) are transmission-connected via a linkage swing mechanism (5), so that while the second rotating shaft (15) continuously rotates in one direction, the first rotating shaft (14) continuously rotates forward and reversely.

2. The children's nutrition material input mechanism for PICU according to claim 1, characterized in that: The adjustable support mechanism (2) comprises a rotating support assembly and a cross bar (27). The rotating support assembly is provided with two groups and is symmetrically distributed on the left and right sides of the lower end of the U-shaped plate (102). The rotating support assembly comprises a support block (21), a side plate (22), a roller (23) and a telescopic limit assembly, a telescopic outer rod (24), a telescopic inner rod (25) and an adjusting knob (26). The side plates (22) are symmetrically fixedly installed on the front and rear sides of the support block (21). A plurality of rollers (23) that are rollingly connected to the fixed ring (13) are rotatably installed between the side plates (22). The rollers (23) are distributed on the inner and outer sides of the fixed ring (13) and are used to support and limit the fixed ring (13). A telescopic limit assembly is installed between the U-shaped plate (102) and the support block (21). A cross bar (27) is fixedly installed between the two groups of telescopic limit assemblies.

3. The child nutrition material input mechanism for PICU according to claim 1, characterized in that: The auxiliary line fixing mechanism (3) comprises a bracket (31), a limiting cylinder (32), a stopper (33) and a first spring (34); the bracket (31) is fixedly mounted on the top of the fixing ring (13); the inner side of the bracket (31) is slidably connected to the limiting cylinder (32); the inner side of the limiting cylinder (32) is clamped with the infusion tube; the front and rear ends of the limiting cylinder (32) are both fixedly mounted with stoppers (33); and the first spring (34) is fixedly mounted between one of the stoppers (33) and the bracket (31).

4. The child nutrition material input mechanism for PICU according to claim 1, characterized in that: The placement rack (4) comprises an upper clamping block (41), a lower clamping block (42) and a connecting plate (43); the upper clamping block (41) is arranged in a semi-ring shape, the lower clamping block (42) is arranged in a ring shape, the diameter of the upper clamping block (41) is larger than the diameter of the lower clamping block (42), and the connecting plate (43) is fixedly installed between the upper clamping block (41) and the lower clamping block (42); the upper clamping block (41) is fixedly connected to the right end of the first rotating shaft (14).

5. The children's nutrition material input mechanism for PICU according to claim 4, characterized in that: The linkage swing mechanism (5) comprises a swing limit assembly, a linkage plate (53), a linkage groove (54), a rotating disk (55) and an eccentric column (56); a swing limit assembly is arranged between the side wall of the base (12) and the lower clamping block (42); one end of the linkage plate (53) is fixedly connected to the first rotating shaft (14), and the other end of the linkage plate (53) is provided with a linkage groove (54); a rotating disk (55) is fixedly mounted on the second rotating shaft (15), and an eccentric column (56) is fixedly mounted on the rotating disk (55) and is limitedly slidably connected to the linkage groove (54).

6. The child nutrition material input mechanism for PICU according to claim 5, characterized in that: The swing limit assembly comprises a swing groove (51) and a swing rod (52); the side wall of the base (12) is provided with the swing groove (51); the outer wall of the lower clamping block (42) is fixedly mounted with the swing rod (52) which is limitedly slidably connected to the swing groove (51).

7. The child nutrition material input mechanism for PICU according to claim 1, characterized in that: The easily detachable pumping mechanism (6) comprises a rotating block (61), a pressure wheel (62), a limiting angle block (63), a pressure cover (67) and an inclined block (68); the rotating block (61) is fixedly mounted on the right end of the second rotating shaft (15); the pressure wheels (62) are evenly fixedly mounted on the rotating block (61) in a circular array at equal intervals; the limiting angle block (63) is slidingly connected to the side wall of the base (12) through a limiting structure, so that the limiting angle block (63) can move radially along the rotating block (61); a receiving cavity for placing an infusion tube is formed between the limiting angle block (63) and the pressure wheel (62); and a slot for plugging into the pressure cover (67) is provided on the side wall of the base (12).

8. The child nutrition material input mechanism for PICU according to claim 7, characterized in that: An inclined block (68) slidably connected to the pressure cover (67) is fixedly mounted on the limiting angle block (63); and a locking block for locking the limiting angle block (63) and the pressure cover (67) is also arranged on the pressure cover (67).

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