Anti-dripping liquid medicine injection equipment

Abstract

The utility model relates to the technical field of liquid medicine injection equipment, in particular to anti-dripping liquid medicine injection equipment. Comprising a supporting base, a supporting bracket, an injection cylinder barrel, a lifting air cylinder, an injection push rod, an injection piston, an injection tube head, an electric control push rod, an adjusting shaft, an adjusting half gear, an adjusting toothed plate, a plugging block, a lifting sliding rail, a lifting sliding block, a lifting sliding rod, an adjusting spring, a clamping assembly, a medicine storage assembly, a stirring assembly and an infusion assembly. The bottom wall of the supporting bracket is provided with an electric control push rod, the bottom end of the electric control push rod is fixedly connected with the other side of the lifting sliding block, and when the liquid medicine injection equipment is used, the electric control push rod works reversely to drive the lifting sliding block and the adjusting toothed plate to ascend; the adjusting toothed plate drives the adjusting shaft to rotate reversely again through the adjusting half gear, so that the plugging block resets and tightly seals the injection tube head, and dripping of the liquid medicine is effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of liquid drug injection equipment technology, and in particular to a liquid drug injection equipment that prevents dripping. Background Technology

[0002] In the production and use of tools or medical solutions across various industries, precise liquid injection is a crucial technical step. Whether it's the emerging e-cigarette industry, where a specific ratio of e-liquid needs to be injected into the e-cigarette's reservoir during manufacturing to ensure the flavor and consistency of the vapor, or the medical industry, where medications are often injected into medical test tubes in liquid form to achieve therapeutic effects, these processes require injection equipment with high precision and reliability to ensure that the amount, concentration, and injection speed of the liquid meet specific requirements.

[0003] In practical use, on the one hand, due to the properties of the liquid itself, such as viscosity and fluidity, dripping or leakage may occur during injection. This not only wastes materials but may also pollute the environment. In some medical scenarios, dripping liquid may even pose a risk of cross-infection. On the other hand, different industries have different requirements for injection equipment. Injection of e-cigarette liquid may require rapid and uniform filling, while injection of medical liquids places greater emphasis on injection accuracy and safety. This requires injection equipment to have a high degree of customizability and adaptability, which urgently needs improvement, thus making it difficult to effectively prevent liquid dripping.

[0004] Therefore, to address the aforementioned problem of inconvenience in effectively preventing drug dripping, a drip-preventing liquid drug injection device can be designed. During use, the injection container is first securely fixed by a clamping assembly. Then, the stirring assembly is activated to thoroughly mix and agitate the drug solution. Subsequently, the infusion assembly is activated to deliver the drug solution into the injection cylinder. At this point, the injection cylinder is filled with the drug solution to be injected. Next comes the injection process: the lifting cylinder activates, pushing the injection push rod downwards, which in turn causes the injection piston to descend within the injection cylinder, applying pressure to the drug solution and injecting it through the injection nozzle. Simultaneously, the electrically controlled push rod is activated, driving the lifting slider along the lifting slide... As the lever slides downwards, the movement of the lifting slider causes the adjusting gear plate to descend. The adjusting gear plate, through its meshing with two sets of adjusting half-gears, causes the two adjusting shafts to rotate, which in turn drives the two sealing blocks to rotate to the open state, ensuring that the liquid medication can flow out unimpeded. After the injection is completed, the electrically controlled push rod works in the opposite direction, causing the lifting slider and adjusting gear plate to rise. The adjusting gear plate, again through the adjusting half-gears, drives the adjusting shafts to reverse, causing the sealing blocks to reset and tightly seal the injection tube head, effectively preventing the liquid medication from dripping. This series of precise actions not only ensures the smooth progress of the injection process but also greatly improves the reliability and practicality of the equipment, providing a safer and more efficient liquid medication injection solution for the medical field. Utility Model Content

[0005] To address the challenges of using liquid drug injection devices, two main issues arise. First, the properties of the liquid itself, such as viscosity and fluidity, can lead to dripping or leakage during injection. This not only wastes materials and may pollute the environment, but in some medical settings, dripping can even pose a risk of cross-infection. Second, different industries have varying requirements for injection devices. Injecting e-cigarette liquids may require rapid and uniform filling, while injecting medical medications demands greater precision and safety. This necessitates highly customizable and adaptable injection devices, which urgently require improvement and ultimately hinder effective prevention of drug dripping.

[0006] The technical solution of this utility model is as follows: a liquid medicine injection device to prevent dripping, comprising a support base, a support bracket, an injection cylinder, a lifting cylinder, an injection push rod, an injection piston, an injection tube head, an electrically controlled push rod, an adjusting shaft, an adjusting half gear, an adjusting toothed plate, a sealing block, a lifting slide rail, a lifting slider, a lifting slide rod, an adjusting spring, a clamping assembly, a drug storage assembly, a stirring assembly, and an infusion assembly. A clamping assembly is provided above the support base. A support bracket is provided on the inner wall of the support base. The injection cylinder is located inside the support bracket. An injection push rod is provided at the lower end of the lifting cylinder. An injection piston is provided at one end of the injection push rod. The injection piston is located inside the injection cylinder. An injection tube head is provided on the bottom wall of the injection cylinder. An injection tube head is provided on the side wall of the support base. It is equipped with a drug storage component, inside which is a stirring component. An infusion component is installed on the bottom wall of the drug storage component, with one end of the infusion component located on the upper side wall of the injection cylinder. The injection tube head has two sets of adjusting shafts inside, with sealing blocks on the side walls of the adjusting shafts. One end of the adjusting shaft is equipped with an adjusting half gear. A lifting slide rail is installed on the bottom wall of the support bracket, with a lifting slide rod inside the lifting slide rail. A lifting slider is installed on the side wall of the lifting slide rod, and the lifting slider is slidably connected to the lifting slide rod. An adjusting spring is installed on the bottom wall of the lifting slider, and an adjusting toothed plate is installed on one side of the lifting slider. The adjusting half gear meshes with the adjusting toothed plate. An electrically controlled push rod is installed on the bottom wall of the support bracket, with its bottom end fixedly connected to the other side of the lifting slider.

[0007] Preferably, during the use of the liquid drug injection device, firstly, the injection container is securely fixed by the clamping assembly. Then, the stirring assembly is activated to thoroughly mix and agitate the drug solution. Subsequently, the infusion assembly is activated to deliver the drug solution into the injection cylinder. At this point, the injection cylinder is filled with the drug solution to be injected. Next comes the injection process. The lifting cylinder starts working, pushing the injection push rod downwards, which in turn drives the injection piston to descend within the injection cylinder, applying pressure to the drug solution and causing it to be injected through the injection tube head. Simultaneously, the electrically controlled push rod is also activated, driving the lifting slider to slide downwards along the lifting slide rod. The movement of the lifting slider drives the adjusting gear. The plate descends, while the adjusting gear plate, through its meshing with two sets of adjusting half-gears, causes the two adjusting shafts to rotate, thereby driving the two sets of sealing blocks to rotate to the open state, ensuring that the liquid medicine can flow out unimpeded. After the injection is completed, the electric control push rod works in the opposite direction, driving the lifting slider and adjusting gear plate to rise. The adjusting gear plate, again through the adjusting half-gears, drives the adjusting shaft to reverse, causing the sealing blocks to reset and tightly seal the injection tube head, effectively preventing the liquid medicine from dripping. This series of precise actions not only ensures the smooth progress of the injection process but also greatly improves the reliability and practicality of the equipment, providing a safer and more efficient liquid medicine injection solution for the medical field.

[0008] Preferably, the clamping assembly includes an adjustable slide rail, an adjustable handwheel, and an adjustable bidirectional lead screw. The adjustable slide rail is installed inside the support base, and the adjustable bidirectional lead screw is installed inside the adjustable slide rail. One end of the adjustable bidirectional lead screw is equipped with an adjustable handwheel.

[0009] Preferably, the clamping assembly also includes an adjustable slider and a clamping frame. Two sets of adjustable sliders are provided on the side wall of the adjustable bidirectional lead screw, and a clamping frame is provided on the side wall of the adjustable slider.

[0010] Preferably, the drug storage assembly includes a drug storage tank, an injection pipe, and a fixed bracket. The fixed bracket is provided on the side wall of the support, the drug storage tank is provided inside the fixed bracket, and the injection pipe is provided above the drug storage tank.

[0011] Preferably, the stirring assembly includes a stirring motor, a stirring shaft, and stirring rods. The stirring motor is located above the drug storage tank, the output end of the stirring motor is equipped with a stirring shaft, and multiple sets of stirring rods are provided on the side wall of the stirring shaft.

[0012] Preferably, the infusion assembly includes a pump and a pipe. The pipe is installed on the bottom wall of the storage tank, and a pump is installed at one end of the pipe. The pump is installed on the side wall of the support.

[0013] Preferably, the infusion assembly also includes an infusion tube, with one end of the infusion tube located on the upper side wall of the injection cylinder.

[0014] The beneficial effects of this utility model are:

[0015] When using a liquid drug injection device, firstly, the injection container is securely fixed by the clamping assembly. Then, the stirring assembly is activated to thoroughly mix and agitate the drug solution. Subsequently, the infusion assembly is activated to deliver the drug solution into the injection cylinder. At this point, the injection cylinder is full of the drug solution to be injected. Next comes the injection process. The lifting cylinder starts working, pushing the injection push rod downwards, which in turn causes the injection piston to descend within the injection cylinder, applying pressure to the drug solution and injecting it through the injection nozzle. Simultaneously, the electrically controlled push rod is also activated, driving the lifting slider to slide downwards along the lifting slide rod. The movement of the lifting slider drives the adjusting gear plate. The device descends, while the adjusting gear plate, through its meshing with two sets of adjusting half-gears, causes the two adjusting shafts to rotate, thereby driving the two sets of sealing blocks to rotate to the open state, ensuring that the liquid medicine can flow out unimpeded. After the injection is completed, the electrically controlled push rod works in the reverse direction, driving the lifting slider and adjusting gear plate to rise. The adjusting gear plate, again through the adjusting half-gears, drives the adjusting shaft to reverse, causing the sealing blocks to reset and tightly seal the injection tube head, effectively preventing the liquid medicine from dripping. This series of precise actions not only ensures the smooth progress of the injection process but also greatly improves the reliability and practicality of the equipment, providing a safer and more efficient liquid medicine injection solution for the medical field. Attached Figure Description

[0016] Figure 1 The diagram shown is a first three-dimensional structural schematic of a liquid medicine injection device for preventing dripping according to this utility model.

[0017] Figure 2 The diagram shown is a partial three-dimensional structural schematic of a liquid medicine injection device for preventing dripping according to this utility model.

[0018] Figure 3 The diagram shown is a partial three-dimensional structural schematic of a liquid medicine injection device for preventing dripping according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of a third part of a liquid medicine injection device for preventing dripping according to this utility model.

[0020] Figure 5 The diagram shown is a partial three-dimensional structural schematic of a liquid medicine injection device for preventing dripping according to this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Support base; 2. Support bracket; 3. Injection cylinder; 4. Lifting cylinder; 5. Injection push rod; 6. Injection piston; 7. Injection tube head; 8. Electrically controlled push rod; 9. Adjusting shaft; 10. Adjusting half gear; 11. Adjusting gear plate; 12. Sealing block; 13. Lifting slide rail; 14. Lifting slider; 15. Lifting slide rod; 16. Adjusting spring; 101. Adjusting slide rail; 102. Adjusting handwheel; 103. Adjusting double-acting screw; 104. Adjusting slider; 105. Clamping frame; 201. Drug storage tank; 202. Injection tube; 203. Fixed bracket; 301. Stirring motor; 302. Stirring shaft; 303. Stirring rod; 401. Liquid pump; 402. Liquid extraction tube; 403. Infusion tube. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5 This utility model provides an embodiment of a liquid medicine injection device to prevent dripping, comprising a support base 1, a support bracket 2, an injection cylinder 3, a lifting cylinder 4, an injection push rod 5, an injection piston 6, an injection tube head 7, an electrically controlled push rod 8, an adjusting shaft 9, an adjusting half gear 10, an adjusting toothed plate 11, a sealing block 12, a lifting slide rail 13, a lifting slider 14, a lifting slide rod 15, an adjusting spring 16, a clamping assembly, a drug storage assembly, a stirring assembly, and an infusion assembly. A clamping assembly is provided above the support base. The support bracket 2 is provided on the inner wall of the support base 1. The injection cylinder 3 is located inside the support bracket 2. The lower end of the lifting cylinder 4 is provided with an injection push rod 5, and one end of the injection push rod 5 is provided with an injection piston 6. The injection piston 6 is located inside the injection cylinder 3. The injection tube head 7 is provided on the bottom wall of the injection cylinder 3. An injection valve is provided on the side wall of the support base 1. The drug storage assembly includes a stirring assembly inside and an infusion assembly on its bottom wall. One end of the infusion assembly is located on the upper side wall of the injection cylinder 3. The injection tube head 7 has two sets of adjusting shafts 9 inside, with a sealing block 12 on the side wall of each adjusting shaft 9. One end of each adjusting shaft 9 has an adjusting half gear 10. The bottom wall of the support bracket 2 has a lifting slide rail 13, with a lifting slide rod 15 inside. The side wall of the lifting slide rod 15 has a lifting slider 14, which is slidably connected to the lifting slide rod 15. The bottom wall of the lifting slider 14 has an adjusting spring 16, and one side of the lifting slider 14 has an adjusting toothed plate 11. The adjusting half gear 10 meshes with the adjusting toothed plate 11. The bottom wall of the support bracket 2 has an electrically controlled push rod 8, with its bottom end fixedly connected to the other side of the lifting slider 14.

[0024] Please see Figure 2The clamping assembly includes an adjustable slide rail 101, an adjustable handwheel 102, and an adjustable bidirectional lead screw 103. The adjustable slide rail 101 is located inside the support base 1, and the adjustable bidirectional lead screw 103 is located inside the adjustable slide rail 101. An adjustable handwheel 102 is located at one end of the adjustable bidirectional lead screw 103. When the adjustable handwheel 102 is manually rotated, the adjustable bidirectional lead screw 103 rotates accordingly. The clamping assembly also includes adjustable sliders 104 and a clamping frame 105. Two sets of adjustable sliders 104 are located on the side wall of the adjustable bidirectional lead screw 103, and the clamping frame 105 is located on the side wall of the adjustable sliders 104. This drives the two sets of adjustable sliders 104 on its side wall to move towards each other. As the two sets of adjustable sliders 104 move, the two sets of clamping frames 105 will also adjust in both directions accordingly, so as to achieve tight clamping and fixation of injection containers of different sizes. The drug storage assembly includes a drug storage tank 201, an injection pipe 202 and a fixed bracket 203. The fixed bracket 203 is provided on the side wall of the support 1. The drug storage tank 201 is provided inside the fixed bracket 203. The injection pipe 202 is provided above the drug storage tank 201. The drug is accurately added to the drug storage tank 201 through the injection pipe 202.

[0025] Please see Figures 3-5 The mixing assembly includes a mixing motor 301, a mixing shaft 302, and mixing rods 303. The mixing motor 301 is located above the medicine storage tank 201. The mixing shaft 302 is located at the output end of the mixing motor 301. Multiple sets of mixing rods 303 are installed on the side wall of the mixing shaft 302. Starting the mixing motor 301 drives the mixing shaft 302 to rotate, which in turn drives the multiple sets of mixing rods 303 on the side wall to rotate together, thoroughly mixing and stirring the medicine solution. The infusion assembly includes a pump 401 and a suction pipe 402. The medicine storage tank 201... A liquid extraction pipe 402 is provided on the bottom wall of 01. A liquid extraction pump 401 is provided at one end of the liquid extraction pipe 402. The liquid extraction pump 401 is located on the side wall of the support 1. When the liquid extraction pump 401 is started, the liquid medicine in the storage tank 201 is extracted through the liquid extraction pipe 402 by the suction force generated by it. The infusion assembly also includes an infusion pipe 403. An infusion pipe 403 is provided on one side of the liquid extraction pump 401. One end of the infusion pipe 403 is located on the upper side wall of the injection cylinder 3 and is smoothly delivered to the inside of the injection cylinder 3 through the infusion pipe 403.

[0026] When the liquid drug injection device is in use, firstly, when the adjusting handwheel 102 is manually rotated, the adjusting bidirectional lead screw 103 rotates accordingly, which in turn drives the two sets of adjusting sliders 104 on its side wall to move towards each other. As the two sets of adjusting sliders 104 move, the two sets of clamping frames 105 will also adjust bidirectionally accordingly, so as to achieve tight clamping and fixation of injection containers of different sizes.

[0027] During the preparation stage, the liquid medicine is precisely added to the storage tank 201 through the injection pipe 202. To ensure the uniformity of the liquid medicine, the stirring motor 301 is started to drive the stirring shaft 302 to rotate, which in turn drives the multiple sets of stirring rods 303 on the side wall to rotate together, so as to fully mix and stir the liquid medicine.

[0028] Subsequently, the drug delivery process begins. The pump 401 is started, and its suction force is used to draw the drug from the storage tank 201 through the extraction pipe 402 and deliver it smoothly to the inside of the injection cylinder 3 through the infusion pipe 403.

[0029] At this time, the injection cylinder 3 is filled with the liquid medicine to be injected. Next is the injection process. The lifting cylinder 4 starts to work, pushing the injection push rod 5 to move downward, which in turn drives the injection piston 6 to descend in the injection cylinder 3, applying pressure to the liquid medicine, so that it is injected through the injection tube head 7.

[0030] At the same time, the electric control push rod 8 is also activated, driving the lifting slider 14 to slide down along the lifting slide rod 15. The movement of the lifting slider 14 causes the adjusting tooth plate 11 to descend. The adjusting tooth plate 11, through its meshing with the two sets of adjusting half gears 10, causes the two sets of adjusting shafts 9 to rotate, thereby driving the two sets of sealing blocks 12 to rotate to the open state, ensuring that the liquid medicine can flow out unimpeded.

[0031] After the injection is completed, the electric control push rod 8 works in reverse, driving the lifting slider 14 and the adjusting tooth plate 11 to rise. The adjusting tooth plate 11 then drives the adjusting shaft 9 to reverse through the adjusting half gear 10, so that the sealing block 12 is reset and tightly seals the injection tube head 7, effectively preventing the liquid from dripping.

[0032] This series of precise actions not only ensures the smooth progress of the injection process, but also greatly improves the reliability and practicality of the equipment, providing a safer and more efficient solution for liquid drug injection in the medical field.

[0033] Through the above steps, during the use of the liquid drug injection device, firstly, the injection container is securely fixed by the clamping assembly. Then, the stirring assembly is activated to fully mix and stir the drug solution. Subsequently, the infusion assembly is activated to deliver the drug solution into the injection cylinder 3. At this time, the injection cylinder 3 is filled with the drug solution to be injected. Next is the injection process. The lifting cylinder 4 starts working, pushing the injection push rod 5 downward, which in turn drives the injection piston 6 to descend inside the injection cylinder 3, applying pressure to the drug solution and causing it to be injected through the injection tube head 7. At the same time, the electrically controlled push rod 8 is also activated, driving the lifting slider 14 to slide downward along the lifting slide rod 15. The movement of the lifting slider 14 drives the adjusting tooth plate 1. The adjusting plate 11 descends, while the adjusting toothed plate 11, through its meshing with the two sets of adjusting half gears 10, causes the two sets of adjusting shafts 9 to rotate, thereby driving the two sets of sealing blocks 12 to rotate to the open state, ensuring that the liquid medicine can flow out unimpeded. After the injection is completed, the electric control push rod 8 works in the opposite direction, driving the lifting slider 14 and the adjusting toothed plate 11 to rise. The adjusting toothed plate 11 then drives the adjusting shaft 9 to reverse again through the adjusting half gears 10, so that the sealing blocks 12 reset and tightly seal the injection tube head 7, effectively preventing the liquid medicine from dripping. This series of precise actions not only ensures the smooth progress of the injection process, but also greatly improves the reliability and practicality of the equipment, providing a safer and more efficient liquid medicine injection solution for the medical field.

[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A liquid medication injection device for preventing dripping, comprising a support base (1), characterized in that: It also includes a support bracket (2), an injection cylinder (3), a lifting cylinder (4), an injection push rod (5), an injection piston (6), an injection tube head (7), an electric control push rod (8), an adjusting shaft (9), an adjusting half gear (10), an adjusting toothed plate (11), a sealing block (12), a lifting slide rail (13), a lifting slider (14), a lifting slide rod (15), an adjusting spring (16), a clamping assembly, a drug storage assembly, a stirring assembly, and an infusion assembly. A clamping assembly is provided above the support base. A support bracket (2) is provided on the inner wall of the support base (1). An injection cylinder (3) is provided inside the support bracket (2). An injection push rod (5) is provided at the lower end of the lifting cylinder (4). An injection piston (6) is provided at one end of the injection push rod (5). The injection piston (6) is located inside the injection cylinder (3). An injection tube head (7) is provided on the bottom wall of the injection cylinder (3). A drug storage assembly is provided on the side wall of the support base (1). The drug storage assembly is provided inside the drug storage assembly. The device includes a stirring assembly, an infusion assembly on the bottom wall of the drug storage assembly, one end of the infusion assembly on the upper side wall of the injection cylinder (3), two sets of adjusting shafts (9) inside the injection tube head (7), a sealing block (12) on the side wall of the adjusting shaft (9), an adjusting half gear (10) at one end of the adjusting shaft (9), a lifting slide rail (13) on the bottom wall of the support bracket (2), and a lifting slide rod (15) inside the lifting slide rail (13). A lifting slider (14) is provided on the side wall of the rod (15). The lifting slider (14) is slidably connected to the lifting rod (15). An adjusting spring (16) is provided on the bottom wall of the lifting slider (14). An adjusting toothed plate (11) is provided on one side of the lifting slider (14). An adjusting half gear (10) meshes with the adjusting toothed plate (11). An electric control push rod (8) is provided on the bottom wall of the support bracket (2). The bottom end of the electric control push rod (8) is fixedly connected to the other side of the lifting slider (14).

2. The liquid medicine injection device for preventing dripping according to claim 1, characterized in that: The clamping assembly includes a pitch adjustment slide rail (101), a pitch adjustment handwheel (102), and a pitch adjustment double-acting screw (103). The pitch adjustment slide rail (101) is provided inside the support base (1), and the pitch adjustment double-acting screw (103) is provided inside the pitch adjustment slide rail (101). The pitch adjustment double-acting screw (103) is provided at one end of the pitch adjustment handwheel (102).

3. The liquid medicine injection device for preventing dripping according to claim 2, characterized in that: The clamping assembly also includes a pitch slider (104) and a clamping frame (105). Two sets of pitch sliders (104) are provided on the side wall of the pitch-adjusting bidirectional lead screw (103), and a clamping frame (105) is provided on the side wall of the pitch slider (104).

4. A liquid medicine injection device for preventing dripping according to claim 2, characterized in that: The drug storage assembly includes a drug storage tank (201), an injection pipe (202), and a fixed bracket (203). The fixed bracket (203) is provided on the side wall of the support (1), the drug storage tank (201) is provided inside the fixed bracket (203), and the injection pipe (202) is provided above the drug storage tank (201).

5. A liquid medicine injection device for preventing dripping according to claim 4, characterized in that: The stirring assembly includes a stirring motor (301), a stirring shaft (302), and stirring rods (303). The stirring motor (301) is located above the drug storage tank (201). The stirring shaft (302) is located at the output end of the stirring motor (301). Multiple sets of stirring rods (303) are located on the side wall of the stirring shaft (302).

6. A liquid medicine injection device for preventing dripping according to claim 4, characterized in that: The infusion assembly includes a pump (401) and a pipe (402). The pipe (402) is provided on the bottom wall of the drug storage tank (201), and the pump (401) is provided at one end of the pipe (402). The pump (401) is located on the side wall of the support (1).

7. A liquid medicine injection device for preventing dripping according to claim 6, characterized in that: The infusion assembly also includes an infusion tube (403). The infusion tube (403) is provided on one side of the pump (401). One end of the infusion tube (403) is located on the upper side wall of the injection cylinder (3) and is smoothly delivered to the inside of the injection cylinder (3) through the infusion tube (403).

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