Adjustable infusion device

Abstract

An adjustable infusion device comprises a box body, a net bag body penetrating through the box body, a hanging part formed on the upper portion of the net bag body and a containing part formed on the lower portion of the net bag body, a locking assembly is arranged on the lower portion in the box body, and the locking assembly is used for tightening and attaching the containing part to an infusion bottle. An adjusting assembly is arranged on the upper portion in the box body and used for folding and unfolding the hanging part in the hanging direction. Through cooperation of a locking assembly, an adjusting assembly, a roller, a locking plate, a worm gear, a worm and an I-shaped rotary knob, it is guaranteed that the net bag body can be tightly attached to an infusion bottle, the infusion bottle is stably fixed, the problem that the infusion bottle slides and falls off due to the fact that the specifications of the infusion bottle are not matched is avoided, and it is guaranteed that infusion of a patient is conducted safely; the hanging height of the infusion bottle hung on the net bag body can be flexibly adjusted in time, and the use requirements of infusion bottles of different specifications for infusion are met.

Description

Technical Field

[0001] The utility model relates to the technical field of infusion products, in particular to an adjustable infusion device. Background Art

[0002] The infusion net bag is also called the infusion bottle cover. During infusion, put the infusion bottle into the infusion net bag and hang the infusion net bag at a high place with a hanging belt.

[0003] Traditional infusion bottles have various specifications. Small net bags obviously cannot hold large infusion bottles. Different sized infusion bottles require net bags of different sizes, which increases the workload of medical staff. Although large net bags can hold small infusion bottles, the infusion bottles are prone to serious tilting in the large net bag. The mismatch between the net bag and the infusion bottle can easily cause the infusion bottle to slip, resulting in the liquid in the infusion bottle being unable to be discharged smoothly, and the infusion bottle is even prone to falling from the net bag, affecting the patient's safe use of infusion.

[0004] In the current prior art, for example, a Chinese patent with authorization announcement number CN214910579U discloses an adjustable infusion net bag, which can accommodate infusion bottles of different specifications by adjusting the accommodating space of the net bag.

[0005] For another example, a Chinese patent with authorization announcement number CN213157793U discloses a retractable net bag whose size can be adjusted, and infusion bottles of different specifications can be fixed by tightening the net bag.

[0006] However, the above technical solution still has at least the following defects: although the above technical solution can fix the infusion bottle by adjusting the net bag, it is difficult to timely and flexibly adjust the hanging height of the infusion bottle suspended by the net bag, resulting in a low hanging height of the infusion bottle, which is difficult to meet the needs of infusion, especially when it is necessary to infuse with other infusion bottles at the same time (such as two infusion bottles are infused at the same time through a Y-type infusion set), the difference in hanging height between the infusion bottles is large, causing the infusion set to bend, resulting in difficulty in the infusion bottle to smoothly output liquid, affecting the smooth infusion of the patient. Utility Model Content

[0007] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an adjustable infusion device, comprising a box body, a net bag body passing through the box body, a hanging part formed on the upper part of the net bag body and a receiving part formed on the lower part of the net bag body, a locking assembly is provided at the lower part of the box body, the locking assembly is used to tighten the receiving part to fit the infusion bottle, and an adjusting assembly is provided at the upper part of the box body, the adjusting assembly is used to retract and release the hanging part along the hanging direction;

[0008] The adjustment assembly includes a roller and a guide seat, wherein the guide seat is fixedly mounted on the inner side wall of the box body, and the roller is movably mounted in the box body, and the roller is used to press the net bag body onto the guide seat and to drive the net bag body to move along the guide seat.

[0009] Further preferably, the adjustment component further includes:

[0010] A carrier frame, the carrier frame is rotatably mounted on the left and right side walls of the box body, and the carrier frame is used to drive the roller to swing;

[0011] An adjusting rod, wherein the adjusting rod is rotatably mounted on the supporting frame, the left and right ends of the adjusting rod are movably mounted on the left and right side walls of the box body, the outer ring surface of the adjusting rod is fixedly mounted with the roller, and a protrusion is formed on the outer surface of the roller.

[0012] Further preferably, the left and right side walls of the box body are both provided with a first opening, and the left and right ends of the adjustment rod are both slidably installed in the corresponding first openings.

[0013] Further preferably, a mounting box is formed on the right side of the box body, a second opening is formed on the inner side wall of the mounting box corresponding to the first opening, an I-shaped knob is movably mounted on the right end of the adjusting rod, the I-shaped knob passes through the second opening, and the I-shaped knob is slidably mounted on the inner side wall of the second opening;

[0014] A polygonal plug is formed at the right end of the adjusting rod, and a socket matched with the polygonal plug is formed on the left side of the I-shaped knob, and the polygonal plug can be slidably installed in the socket.

[0015] Further preferably, a plurality of positioning holes are formed on an outer surface of the installation box close to the second opening, and a positioning rod is fixedly mounted on the outer surface of the I-shaped knob, and the positioning rod can be inserted into the positioning hole.

[0016] Further preferably, a worm wheel is fixedly mounted on the right end of the carrier frame, a worm is rotatably mounted on the front and rear side walls of the mounting box, the worm is meshingly connected to the worm wheel, and a rotating wheel is fixedly connected to the front end of the worm.

[0017] Further preferably, the locking assembly comprises:

[0018] A guide frame, the guide frame is fixedly connected to the inner bottom wall of the box body, and the net bag body passes through the guide frame;

[0019] A locking plate is slidably mounted on the guide frame, and is used to clamp the net bag body on the guide frame.

[0020] Further preferably, the front and rear side walls of the guide frame pass through limiting grooves, and the locking plate is slidably installed in the limiting grooves.

[0021] Further preferably, a fixing rod is formed on the rear side of the locking plate, and a third opening is opened on the left and right side walls of the box body. The left and right ends of the fixing rod are slidably installed in the corresponding third openings. The right end of the fixing rod is fixedly connected to a connecting rod, and a thread is formed on the outer annular surface of the rear end of the worm gear, and the connecting rod thread is installed on the rear end of the worm gear.

[0022] Further preferably, both the upper and lower side surfaces of the box body are formed with protection frames for the net bag body to pass through, and a maintenance door is hingedly installed on the front side surface of the box body.

[0023] Compared with the prior art, the utility model has an ingenious structure and is easy to operate. Through the cooperation of the locking assembly, the adjustment assembly, the roller, the locking plate, the worm gear, the worm and the I-shaped knob, it not only ensures that the net bag body can fit the infusion bottle tightly and fix the infusion bottle firmly, avoids the influence of sliding and falling caused by the mismatch of the specifications of the infusion bottle, and ensures the safety of the patient's infusion, but also can timely and flexibly adjust the hanging height of the infusion bottle suspended by the net bag body to meet the use requirements of infusion of infusion bottles of different specifications, avoids the influence caused by the large difference in hanging heights between multiple infusion bottles, ensures the stability of infusion, and is better suitable for infusion of multiple infusion bottles at the same time, which greatly reduces the work difficulty of medical staff, provides convenience for patients to carry out safe and stable infusion, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the box body, the net bag body and the infusion bottle of the utility model.

[0025] Figure 2 It is a schematic diagram of the front axonometric structure of the box body of the utility model.

[0026] Figure 3 It is a front view cutaway structural schematic diagram of the box body of the utility model.

[0027] Figure 4 The utility model Figure 3 Enlarged structural diagram at A in the middle.

[0028] Figure 5 It is a right side cutaway structural schematic diagram of the box body of the utility model.

[0029] Figure 6 It is a schematic diagram of the structure of the box body, the roller and the locking plate of the utility model.

[0030] Figure 7 It is a schematic structural diagram of a roller, a locking plate and a net bag body of the utility model.

[0031] Figure 8 It is a schematic diagram of the cutaway structure of the installation box of the utility model.

[0032] Explanation of the symbols in the schematic diagram:

[0033] 1. Box body; 2. Net bag body; 201. Suspension part; 202. Accommodation part; 3. Infusion bottle; 4. Roller; 5. Guide seat; 6. Carrying frame; 7. Adjustment rod; 8. Protrusion; 9. First opening; 10. Installation box; 11. Second opening; 12. I-shaped knob; 13. Polygonal plug; 14. Socket; 15. Positioning hole; 16. Positioning rod; 17. Worm gear; 18. Worm; 19. Rotating wheel; 20. Guide frame; 21. Locking plate; 22. Limiting groove; 23. Fixing rod; 24. Third opening; 25. Connecting rod; 26. Protection frame; 27. Maintenance door. DETAILED DESCRIPTION

[0034] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0035] Depend on Figures 1 to 8 It is given that some embodiments of the utility model relate to an adjustable infusion device, including a box body 1, a net bag body 2 passing through the box body 1, a hanging portion 201 formed on the upper part of the net bag body 2, and a receiving portion 202 formed on the lower part of the net bag body 2, a locking assembly is provided at the lower part of the box body 1, the locking assembly is used to tighten and fit the receiving portion 202 to the infusion bottle 3, and an adjusting assembly is provided at the upper part of the box body 1, the adjusting assembly is used to retract and release the hanging portion 201 along the hanging direction;

[0036] The adjustment assembly includes a roller 4 and a guide seat 5. The guide seat 5 is fixedly mounted on the inner wall of the box body 1. The roller 4 is movably mounted in the box body 1. The roller 4 is used to press the net bag body 2 onto the guide seat 5 and to drive the net bag body 2 to move along the guide seat 5.

[0037] It should be understood that the hanging portion 201 of the net bag body 2 is located above the box body 1, and the accommodating portion 202 of the net bag body 2 is located below the box body 1. For infusion bottles 3 of different sizes, the hanging portion 201 and the accommodating portion 202 vary according to the infusion bottles 3.

[0038] Furthermore, the hanging direction refers to a direction parallel to the infusion bottle 3, which is generally a vertical direction. In special infusion situations, the hanging direction may also be an inclined direction. The hanging direction of the present utility model includes but is not limited to a vertical direction.

[0039] In these embodiments, the infusion bottle 3 is fixed in the accommodating portion 202 of the net bag body 2 by a locking assembly, ensuring that the net bag body 2 can fit the infusion bottle 3 tightly, thereby achieving a firm fixation of the infusion bottle 3, avoiding the influence of problems such as sliding and falling off caused by mismatched specifications of the infusion bottle 3, and ensuring the safety of the patient's infusion. The hanging height of the infusion bottle 3 suspended by the net bag body 2 can be adjusted in time and flexibly through the adjustment assembly to ensure the stable placement and use of the infusion bottle 3, meet the use requirements of infusion of infusion bottles 3 of different specifications, avoid the influence caused by the large difference in hanging heights between multiple infusion bottles 3, ensure the stability of infusion, and at the same time be better suitable for simultaneous infusion of multiple infusion bottles 3, such as simultaneous infusion through a Y-type infusion set, better ensuring the stability of the infusion liquid of the infusion bottle 3, greatly reducing the work difficulty of medical staff, providing convenience for patients to perform safe and stable infusion, and being more practical.

[0040] Furthermore, through the cooperation between the roller 4 and the guide seat 5, the net bag body 2 is pressed onto the guide seat 5 by the roller 4, and then the net bag body 2 is driven to move along the guide seat 5 by rotating the roller 4, and then the hanging part 201 of the net bag body 2 is stored in or released from the box body 1, so as to realize fast and effective adjustment of the hanging height of the infusion bottle 3, meet the use requirements of infusion bottles 3 of different specifications, and better ensure smooth infusion of patients.

[0041] It should be understood that in the present invention, multiple infusion bottles 3 for infusion include but are not limited to Y-type infusion sets, and can also be two or more infusion bottles 3 for infusion, wherein the Y-type infusion set is prior art and will not be described in detail herein.

[0042] In some embodiments of the adjustable infusion device, the adjustment component further comprises:

[0043] The carrier frame 6 is rotatably mounted on the left and right side walls of the box body 1, and the carrier frame 6 is used to drive the roller 4 to swing;

[0044] The adjusting rod 7 is rotatably mounted on the supporting frame 6 , and both left and right ends of the adjusting rod 7 are movably mounted on the left and right side walls of the box body 1 . The outer ring surface of the adjusting rod 7 is fixedly mounted with the roller 4 , and a protrusion 8 is formed on the outer surface of the roller 4 .

[0045] In these embodiments, through the cooperation of the supporting frame 6 and the adjusting rod 7, the rotating supporting frame 6 drives the adjusting rod 7 to swing, and then drives the roller 4 to press the net bag body 2 onto the guide seat 5, so that the operation is more convenient and stable. Then, by rotating the adjusting rod 7 to drive the roller 4 to rotate, under the damping action of the protrusion 8, the net bag body 2 can be driven quickly and stably to move along the guide seat 5, so as to realize the storage and release of the hanging part 201. Among them, when storing the net bag body 2, the roller 4 is rotated to collect the hanging part 201 along the guide seat 5 into the box body 1 and store it in the empty space in the box body 1. When releasing the net bag body 2, the roller 4 is rotated in the opposite direction to continuously release the hanging part 201, so that the operation is more efficient and stable.

[0046] In some embodiments of the adjustable infusion device, first openings 9 are provided on both left and right side walls of the box body 1 , and both left and right ends of the adjusting rod 7 are slidably installed in the corresponding first openings 9 .

[0047] In these embodiments, through the cooperation between the adjusting rod 7 and the first opening 9 , the adjusting rod 7 can not only rotate in the first opening 9 , but also slide along the first opening 9 , thereby ensuring the stability of the control and adjustment of the adjusting rod 7 .

[0048] In some embodiments of the adjustable infusion device, a mounting box 10 is formed on the right side of the box body 1, and a second opening 11 is opened on the inner side wall of the mounting box 10 corresponding to the first opening 9, and an I-shaped knob 12 is movably mounted on the right end of the adjusting rod 7, and the I-shaped knob 12 passes through the second opening 11, and the I-shaped knob 12 is slidably mounted on the inner side wall of the second opening 11;

[0049] A polygonal plug 13 is formed at the right end of the adjusting rod 7 , and a socket 14 adapted to the polygonal plug 13 is formed on the left side of the I-shaped knob 12 . The polygonal plug 13 can be slidably installed in the socket 14 .

[0050] In these embodiments, through the cooperation of the second opening 11 and the I-shaped knob 12, it is ensured that the I-shaped knob 12 can be flexibly rotated, and can also swing synchronously with the adjusting rod 7, thereby improving the stability of the control. Through the cooperation of the polygonal plug 13 and the socket 14, the I-shaped knob 12 can be stably pushed and pulled, wherein the polygonal plug 13 can be a prism, a polygon with four sides or more, so that rotating the I-shaped knob 12 drives the adjusting rod 7 to rotate.

[0051] In some embodiments of the adjustable infusion device, a plurality of positioning holes 15 are formed on the outer surface of the mounting box 10 near the second opening 11 , and a positioning rod 16 is fixedly mounted on the outer surface of the I-shaped knob 12 , and the positioning rod 16 can be inserted into the positioning hole 15 .

[0052] In these embodiments, the positioning hole 15 and the positioning rod 16 cooperate to ensure that the I-shaped knob 12 can be fixed at the end of the second opening 11, that is, the I-shaped knob 12 is pushed, the positioning rod 16 is inserted into the positioning hole 15, and the I-shaped knob 12 is fixed on the installation box 10, and then the adjusting rod 7 is fixed (the polygonal plug 13 is used to prevent the adjusting rod 7 from rotating), so as to fix the drum 4 and achieve a self-locking effect, thereby preventing the net bag body 2 from pulling the drum 4 due to gravity and other reasons, thereby ensuring the reliability of the fixation of the net bag body 2 and improving the stability of the suspension height adjustment.

[0053] In some embodiments of the adjustable infusion device, a worm gear 17 is fixedly mounted on the right end of the carrier frame 6, and a worm 18 is rotatably mounted on the front and rear side walls of the mounting box 10. The worm 18 is meshingly connected to the worm gear 17, and a rotating wheel 19 is fixedly connected to the front end of the worm 18.

[0054] In these embodiments, by the cooperation of the worm wheel 17 and the worm 18, the rotating wheel 19 drives the worm 18 to rotate, and then the worm wheel 17 drives the supporting frame 6 to rotate, so that the roller 4 is adjusted to the appropriate position, and the self-locking effect of the cooperation of the worm wheel 17 and the worm 18 is ensured to ensure the stability of the fixed support frame 6, thereby ensuring that the roller 4 can firmly press the net bag body 2 onto the guide seat 5, which is more convenient for the flexible adjustment of the suspension part 201, and the retractable stability of the suspension part 201 is higher.

[0055] In some embodiments of an adjustable infusion device, the locking assembly includes:

[0056] A guide frame 20, the guide frame 20 is fixedly connected to the inner bottom wall of the box body 1, and the net bag body 2 passes through the guide frame 20;

[0057] The locking plate 21 is slidably mounted on the guide frame 20 , and is used to clamp the net bag body 2 on the guide frame 20 .

[0058] In some embodiments of the adjustable infusion device, the front and rear side walls of the guide frame 20 pass through the limiting groove 22 , and the locking plate 21 is slidably installed in the limiting groove 22 .

[0059] In these embodiments, the net bag body 2 can be quickly and firmly fixed on the guide frame 20 through the cooperation of the limiting groove 22, the guide frame 20 and the locking plate 21.

[0060] Furthermore, after the net bag body 2 passes through the guide frame 20, the locking plate 21 is moved along the limit groove 22 to extend into the guide frame 20, and the locking plate 21 pushes the net bag body 2 out from one side of the limit groove 22, thereby clamping the net bag body 2 between the guide frame 20 and the locking plate 21, ensuring the stability of the accommodating portion 202 in fixing the infusion bottle 3, which is beneficial to improving the safety of infusion.

[0061] In some embodiments of the adjustable infusion device, a fixing rod 23 is formed on the rear side of the locking plate 21, and a third opening 24 is formed on the left and right side walls of the box body 1. The left and right ends of the fixing rod 23 are slidably installed in the corresponding third openings 24. The right end of the fixing rod 23 is fixedly connected to a connecting rod 25. A thread is formed on the outer annular surface of the rear end of the worm 18, and the connecting rod 25 is threadedly installed on the rear end of the worm 18.

[0062] In these embodiments, through the cooperation between the third opening 24 and the fixing rod 23, the fixing rod 23 moves along the third opening 24 to ensure the stability of the movement of the locking plate 21. Through the cooperation between the connecting rod 25 and the worm gear 18, the worm gear 18 rotates while driving the connecting rod 25 to move, and then drives the locking plate 21 to move through the fixing rod 23. The operation is more convenient and efficient, which is conducive to improving the work efficiency of medical staff.

[0063] In some embodiments of the adjustable infusion device, a protective frame 26 for the net bag body 2 to pass through is formed on the upper and lower sides of the box body 1, and a maintenance door 27 is hingedly installed on the front side of the box body 1.

[0064] In these embodiments, through the cooperation of the box body 1 and the protective frame 26, not only can the hanging part 201 and the accommodating part 202 of the net bag body 2 be adjusted efficiently and accurately, but also the safety of the net bag body 2 passing through the box body 1 is guaranteed, which is beneficial to improving the service life of the net bag body 2. The interior of the box body 1 can be timely explored through the maintenance door 27, and maintenance and inspection are more convenient.

[0065] When the utility model is used, the box body 1 is first moved to the top of the net bag body 2, and then the infusion bottle 3 is placed in the net bag body 2, and then the net bag body 2 is hung at the infusion place, and then, the box body 1 is moved down to the appropriate position of the net bag body 2 according to the specifications of the infusion bottle 3.

[0066] Subsequently, the rotating wheel 19 drives the worm 18 to rotate, and the rotation of the worm 18 drives the connecting rod 25 to move, and then the fixing rod 23 drives the locking plate 21 to move along the limit groove 22, so that the net bag body 2 is clamped on the guide frame 20. At the same time, the rotation of the worm 18 drives the worm wheel 17 to rotate, and the rotation of the worm wheel 17 drives the supporting frame 6 to rotate, and then the supporting frame 6 drives the adjusting rod 7 together with the roller 4 and the industrial knob 12 to swing synchronously. The accuracy of the position of the adjusting rod 7 and the industrial knob 12 is guaranteed through the cooperation of the first opening 9 and the second opening 11, and then the net bag body 2 is pressed onto the guide seat 5 through the roller 4.

[0067] Next, the I-shaped knob 12 is rotated to drive the adjusting rod 7 to rotate, so that the roller 4 drives the hanging part 201 of the net bag body 2 to move along the guide seat 5, so that the hanging part 201 is stored in the box body 1, thereby adjusting the infusion height of the net bag body 2 hanging the infusion bottle 3 by retracting and releasing the hanging part 201, and then, after the infusion bottle 3 is adjusted to an appropriate height, the I-shaped knob 12 is pushed to insert the positioning rod 16 into the positioning hole 15. The I-shaped knob 12 is fixed on the installation box 10 to fix the roller 4, realize the self-locking of the roller 4, and ensure the stability of the hanging height adjustment. It can not only efficiently and flexibly adjust the hanging height of the infusion bottle 3 to meet the use requirements of infusion, but also flexibly and stably fix the infusion bottles 3 of different specifications, which is more flexible and adaptable to use, reduces the difficulty of medical staff, is more convenient for patients to use infusion, and greatly improves the practicality of use.

Claims

1. An adjustable infusion device, comprising a box body (1), a net bag body (2) passing through the box body (1), a hanging portion (201) formed on the upper part of the net bag body (2), and a receiving portion (202) formed on the lower part of the net bag body (2), characterized in that: A locking assembly is provided at the lower part of the box body (1), and the locking assembly is used to tighten the accommodating portion (202) to fit onto the infusion bottle (3); an adjusting assembly is provided at the upper part of the box body (1), and the adjusting assembly is used to retract and release the hanging portion (201) along the hanging direction; The adjustment assembly comprises a roller (4) and a guide seat (5); the guide seat (5) is fixedly mounted on the inner wall of the box body (1); the roller (4) is movably mounted in the box body (1); the roller (4) is used to press the net bag body (2) onto the guide seat (5) and to drive the net bag body (2) to move along the guide seat (5).

2. An adjustable infusion device according to claim 1, characterized in that: The adjustment component also includes: A carrier frame (6), the carrier frame (6) being rotatably mounted on the left and right side walls of the box body (1), and the carrier frame (6) being used to drive the roller (4) to swing; An adjusting rod (7), the adjusting rod (7) is rotatably mounted on the supporting frame (6), the left and right ends of the adjusting rod (7) are movably mounted on the left and right side walls of the box body (1), the outer ring surface of the adjusting rod (7) is fixedly mounted with the roller (4), and the outer surface of the roller (4) is formed with a protrusion (8).

3. The adjustable infusion device according to claim 2, characterized in that: The left and right side walls of the box body (1) are both provided with first openings (9), and the left and right ends of the adjustment rod (7) are both slidably mounted in the corresponding first openings (9).

4. The adjustable infusion device according to claim 3, characterized in that: A mounting box (10) is formed on the right side of the box body (1), and a second opening (11) is opened on the inner side wall of the mounting box (10) corresponding to the first opening (9); an I-shaped knob (12) is movably mounted on the right end of the adjusting rod (7), and the I-shaped knob (12) passes through the second opening (11), and the I-shaped knob (12) is slidably mounted on the inner side wall of the second opening (11); A polygonal plug (13) is formed at the right end of the adjusting rod (7), and a socket (14) adapted to the polygonal plug (13) is formed on the left side of the I-shaped knob (12), and the polygonal plug (13) can be slidably installed in the socket (14).

5. The adjustable infusion device according to claim 4, characterized in that: The outer surface of the installation box (10) near the second opening (11) is provided with a plurality of positioning holes (15), and the outer surface of the I-shaped knob (12) is fixedly mounted with a positioning rod (16), and the positioning rod (16) can be inserted into the positioning hole (15).

6. The adjustable infusion device according to claim 4, characterized in that: A worm wheel (17) is fixedly mounted on the right end of the carrier frame (6), and a worm (18) is rotatably mounted on the front and rear side walls of the mounting box (10). The worm (18) is meshingly connected to the worm wheel (17), and a rotating wheel (19) is fixedly connected to the front end of the worm (18).

7. The adjustable infusion device according to claim 6, characterized in that: The locking assembly comprises: A guide frame (20), the guide frame (20) being fixedly connected to the inner bottom wall of the box body (1), and the net bag body (2) passing through the guide frame (20); A locking plate (21), wherein the locking plate (21) is slidably mounted on the guide frame (20), and the locking plate (21) is used to clamp the net bag body (2) on the guide frame (20).

8. The adjustable infusion device according to claim 7, characterized in that: The front and rear side walls of the guide frame (20) penetrate a limiting groove (22), and the locking plate (21) is slidably mounted in the limiting groove (22).

9. The adjustable infusion device according to claim 7, characterized in that: A fixing rod (23) is formed on the rear side of the locking plate (21), and a third opening (24) is formed on the left and right side walls of the box body (1). The left and right ends of the fixing rod (23) are slidably installed in the corresponding third openings (24). The right end of the fixing rod (23) is fixedly connected with a connecting rod (25). The outer ring surface of the rear end of the worm (18) is formed with a thread, and the connecting rod (25) is threadedly installed on the rear end of the worm (18).

10. The adjustable infusion device according to claim 1, characterized in that: The upper and lower sides of the box body (1) are both formed with protective frames (26) for the net bag body (2) to pass through, and the front side of the box body (1) is hingedly mounted with a maintenance door (27).

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