Drencher for livestock

By introducing a mixer and a mixing auger into the livestock medication applicator, efficient mixing and delivery of multiple medications can be achieved, solving the problems of low mixing efficiency and large volume in existing technologies. This adapts to the needs of small-dose combined medication and medication for a small number of livestock, improving operational flexibility and efficiency.

CN223614972UActive Publication Date: 2025-12-02南昌市动物疫病预防控制中心
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Patent Information

Application Number
CN202520240245.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-02
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing livestock medication dispensers are inefficient and bulky when mixing multiple medications, making it difficult to meet the needs of combined medication, especially when the amount of medication is small or the number of livestock is small, making them inconvenient to operate.

Method used

A dispensing device was designed, which includes a mixing unit and a mixing inner cylinder. The device is equipped with a mixing auger, which achieves efficient mixing of various liquid medicines through the mixing auger and the transmission gear system. The liquid medicines are delivered through the injection cylinder and the extension dispensing tube.

Benefits of technology

It improves the efficiency of drug mixing, reduces the size of the device, adapts to the needs of small-dose combined drug administration and drug administration to a small number of livestock, and enhances operational flexibility and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a livestock drencher, which belongs to the field of veterinary equipment, is used for livestock drenching, and comprises an extension drenching tube communicated with a drenching cylinder, the drenching cylinder is connected with a handle through a supporting bottom plate and a handle connecting rod, and the supporting bottom plate is provided with a plurality of medicine mixers communicated with the drenching cylinder through medicine outlet tubes. The medicine mixer is provided with a plurality of medicine injection pipes with medical rubber plug bodies; a medicine pushing piston driven by a push rod motor is arranged in the medicine injection cylinder, the medicine injection cylinder is provided with a medicine injection top cover with the push rod motor, and the push rod motor is located in a space formed by a plurality of medicine mixers distributed in the circumferential direction. And stop valves are arranged on the medicine outlet pipe and the extending medicine filling pipe. According to the drenching device, simultaneous mixing and drenching of multiple kinds of liquid medicine can be achieved, the liquid medicine mixing efficiency is improved, the size of the drenching device can be reduced, when the drenching amount is small or the number of livestock needing drenching is small, operation of veterinarians or feeders is facilitated, and the drenching efficiency is improved.
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Description

Technical Field

[0001] This application belongs to the field of veterinary equipment, and more specifically, relates to a livestock medication applicator. Background Technology

[0002] A livestock medication applicator is a device used to administer oral medications to livestock, facilitating better treatment of livestock diseases by veterinarians or livestock farmers. See Chinese Patent Document CN115349975A, which discloses a livestock medication applicator and specifically discloses the following technical solution: It includes a mobile vehicle body, on which a medicine storage tank and a liquid pump are fixedly installed. A carrying box is also provided on one side of the mobile vehicle body. Two symmetrically arranged nozzle sleeves are arranged on one side of the through-slot. A medication delivery tube is slidably inserted into the carrying box. A connecting pipe is fixedly connected to the output end of the liquid pump. A medicine outlet is fitted on one side of the medication delivery tube, and multiple medicine outlet holes are opened on one side of the medicine outlet. An unfolding mechanism is also installed inside the carrying box. This application, by setting up the nozzle sleeves and unfolding mechanism, allows the animal's mouth to remain open when administering medication to sick livestock, making it easy and convenient for workers to administer medication, greatly reducing the difficulty of administration, improving administration efficiency, and also reducing harm to the animal.

[0003] Similar to the aforementioned prior art is Chinese patent publication number CN221998088U, which discloses the following technical solution: It includes a body and a switching mechanism. A storage tank is fixedly connected to the top of the body, and a pressure pump is connected to one side of the storage tank via a pipe. This medication applicator with an auxiliary fixing structure inserts the animal's head between two sets of clamps a. Turning the handle drives the threaded rod to engage with clamp a, thus moving clamp a closer to the animal's head for initial fixation. At this point, pushing the handle engages gear a and gear b. Turning the handle then rotates the connecting rod and the round rod, causing the worm gear at one end of the round rod to engage with the worm, changing the angle of clamp b. Clamp b can then rotate closer to the animal's neck for secondary restraint. This restricts the animal's movement backward, preventing it from becoming dislodged and facilitating medication administration by medical personnel.

[0004] However, in actual use, in addition to restricting the livestock to ensure the stability of the medication administration process, it is sometimes necessary to use a combination of multiple medications for combined treatment of livestock diseases. For example, powdered drugs are mixed with one or more liquid drugs, and the mixed solution is administered through a medication administration device. This is not mentioned in the above-mentioned prior art.

[0005] Secondly, the existing technologies mentioned above are relatively large in size, which makes them inconvenient to use when the amount of liquid being applied is not large. Summary of the Invention

[0006] The purpose of this application is to provide a livestock medication applicator that can simultaneously mix and administer multiple medications, which not only improves the efficiency of medication mixing but also reduces the size of the medication applicator. In cases where the amount of medication to be administered is small or the number of livestock to be medicated is small, it helps veterinarians or livestock handlers to operate the applicator and improves the efficiency of medication administration.

[0007] To achieve the above objectives, this application employs the following technical solution:

[0008] The livestock medication applicator described in this application includes an extended medication tube connected to an injection cylinder located on a supporting base plate. The supporting base plate is connected to a handle via a handle connecting rod. A plurality of mixing devices are distributed on the supporting base plate. The bottom end of each mixing device is connected to the injection cylinder via a dispensing tube, and the top end of each mixing device is connected to a plurality of injection tubes, each injection tube containing a medical rubber stopper. A pushing piston is installed inside the injection cylinder, driven by a push rod motor. An injection top cover is provided at the top opening of the injection cylinder, and a push rod motor is fixedly installed on the injection top cover. The push rod motor is located within the space formed by the circumferentially distributed mixing devices. A shut-off valve is provided on both the dispensing tube and the extended medication tube.

[0009] As one of the preferred technical solutions, in this application, the mixing device has a mixing inner cylinder coaxially arranged inside, the bottom opening of the mixing inner cylinder is located above the bottom surface of the mixing device, and there is a sufficient gap between the mixing inner cylinder and the bottom surface of the mixing device, and the top of the mixing device is sealed; the mixing inner cylinder has several inner cylinder outlets connected to the circumferential side wall near the top; the mixing device has a mixing auger coaxially arranged inside, the shaft of the mixing auger passes through the top of the mixing inner cylinder and is driven by a mixing drive motor.

[0010] As one of the preferred technical solutions, in this application, the mixing drive motor is located on the transmission housing, which is located at the top of the mixing device and fixedly connected to it; the output shaft of the mixing drive motor is connected to the input end of the transmission housing, and a transmission gear is provided inside the transmission housing, which drives the shaft of the mixing auger to rotate.

[0011] As one of the preferred technical solutions, in this application, the top end of the mixing inner cylinder has an inner cylinder bushing coaxially arranged with the mixing auger shaft. The top end of the inner cylinder bushing passes through the top end of the mixing inner cylinder and extends into the interior of the transmission box and is connected to the transmission gear.

[0012] As one of the preferred technical solutions, in this application, the inner cylinder bushing and the mixing auger shaft rotate in opposite directions under the drive of the transmission gear.

[0013] As one of the preferred technical solutions, in this application, the mixing inner cylinder has a number of side wall discharge holes distributed on the circumferential side wall between the top and the inner cylinder outlet.

[0014] As one of the preferred technical solutions, in this application, the central axis of the inner cylinder outlet and the central axis of the mixing inner cylinder form an acute angle.

[0015] As one of the preferred technical solutions, in this application, the mixing device is fixedly provided with several side wall arc plates on its circumferential inner wall.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] 1. This application achieves the mixing of different drug solutions by setting up several mixing devices and several injection tubes. At the same time, a mixing inner cylinder is added inside the mixing device, and a mixing auger is set inside the mixing inner cylinder. The efficiency and quality of mixing are improved by the combination of the above structures. After the drug solution is mixed, it is sent into the injection tube through the dispensing tube. Under the action of the pushing piston of the injection tube, it is sent into the extension injection tube and then into the esophagus of the livestock through the extension injection tube.

[0018] 2. Through optimized structural design, this application achieves control over the overall volume. Compared with the simpler or larger-volume medication administration equipment in the prior art, it has better adaptability and flexibility for situations where the combined medication dosage is not large and the number of livestock is not large, thus meeting the needs of veterinarians or livestock breeders. Attached Figure Description

[0019] Figure 1 This is the main view of this application.

[0020] Figure 2 yes Figure 1 A cross-sectional view at the position and direction shown in AA.

[0021] Figure 3 yes Figure 2 A magnified view of part I in the middle.

[0022] Figure 4 This is a perspective view of this application.

[0023] Figure 5 This is the three-dimensional representation of the mixture after removing one of the mixing chamber housings from this application. Figure 1 .

[0024] Figure 6 This is the three-dimensional representation of the mixture after removing one of the mixing chamber housings from this application. Figure 2 .

[0025] Figure 7 yes Figure 6A magnified view of part II.

[0026] In the diagram: 1. Handle; 2. Handle connecting rod; 3. Injection tube; 4. Transmission box; 5. Mixer; 6. Support base plate; 7. Injection tube; 8. Injection cylinder; 9. Extension injection tube; 10. Push piston; 11. Push rod motor; 12. Injection top cover; 13. Inner mixing cylinder; 14. Inner cylinder outlet; 15. Mixing auger; 16. Side wall outlet hole; 17. Mixing drive motor; 18. Side wall arc plate; 19. Transmission gear set; 20. Inlet tube; 21. Inner cylinder bushing; 22. Transmission gear. Detailed Implementation

[0027] The technical solutions described in this application will be further described below with reference to the accompanying drawings and embodiments.

[0028] Example 1

[0029] See Figures 1 to 7 As shown, the livestock medication applicator includes a handle 1, which is connected to a supporting base plate 6 via several handle connecting rods 2. Several mixing devices 5 are distributed circumferentially on the supporting base plate 6. The outlet of each mixing device 5 is located below the supporting base plate 6. A dispensing pipe 7 with a shut-off valve is installed at the outlet of each mixing device 5. The dispensing pipe 7 communicates with an injection cylinder 8, which is located at the center of the supporting base plate 6. The top of the injection cylinder 8 is above the supporting base plate 6, and the bottom of the injection cylinder 8... Located below the supporting base plate 6, the bottom end of the injection cylinder 8 is connected to an extended injection tube 9 with a shut-off valve. The top end of the injection cylinder 8 is sealed by an injection top cover 12. A push rod motor 11 is provided on the injection top cover 12. The push rod of the push rod motor 11 extends into the interior of the injection cylinder 8 and is coaxially arranged with the injection cylinder 8. The push rod of the push rod motor 11 is connected to the push piston 10. The push piston 10 is located inside the injection cylinder 8 and moves relative to the injection cylinder 8 under the push of the push rod motor 11.

[0030] The top of the mixing device 5 is connected to several injection tubes 3, and the injection tubes 3 are equipped with medical rubber plugs.

[0031] Example 2

[0032] See also Figures 1 to 7As shown, the livestock medication applicator includes a mixing device 5 with a hollow cylindrical structure. A transmission box 4 is located at the top opening of the mixing device 5, and the transmission box 4 is fixedly connected to the mixing device 5. A mixing inner cylinder 13 is coaxially arranged inside the mixing device 5. The bottom end of the mixing inner cylinder 13 is open, and the top end is sealed. Sufficient liquid flow distance is left between the bottom end of the mixing inner cylinder 13 and the bottom end of the mixing device 5. A mixing auger 15 is coaxially arranged inside the mixing inner cylinder 13. The shaft of the mixing auger 15 passes through the top end of the mixing inner cylinder 13 and extends into the transmission box 4. The mixing inner cylinder 13 has several inner cylinder outlets 14 near its top, which communicate with the internal chambers of the mixing inner cylinder 13. The inner cylinder outlets 14 are evenly distributed around the central axis of the mixing inner cylinder 13. The inner cylinder outlets 14 are obliquely upward relative to the mixing inner cylinder 13, that is, there is an acute angle between the central axis of the inner cylinder outlet 14 and the central axis of the mixing inner cylinder 13.

[0033] The top end of the mixing inner cylinder 13 is integrally provided with an inner cylinder bushing 21, which is coaxially arranged with the shaft of the mixing auger 15, and the top end of the inner cylinder bushing 21 extends into the interior of the transmission box 4.

[0034] The transmission housing 4 is equipped with a transmission gear 22, which rotates the inner cylinder bushing 21 and the shaft of the mixing auger 15. The input end of the transmission housing 4 is connected to a mixing drive motor 17. Driven by the mixing drive motor 17, the transmission gear 22 in the transmission housing 4 can drive the shaft of the mixing auger 15 and the inner cylinder bushing 21 to rotate through multiple meshing gears, and the two rotate in opposite directions.

[0035] The structure and connections of the remaining parts are the same as those described in the foregoing embodiments, and will not be repeated here to avoid unnecessary detail. Those skilled in the art can understand this embodiment by referring to the technical solutions described in the foregoing embodiments.

[0036] Example 3

[0037] See also Figures 1 to 7 The livestock medicine administerer, wherein the mixing inner cylinder 13 has a plurality of side wall medicine outlet holes 16 distributed on the circumferential side wall between the inner cylinder outlet 14 and the top end, and the mixing device 5 has a plurality of arc-shaped side wall plates 18 composed of arc-shaped plates distributed on the circumferential inner wall, wherein the top end of the side wall arc plate 18 is close to the top end of the mixing inner cylinder 13, and the bottom end of the side wall arc plate 18 is close to the bottom end opening of the mixing inner cylinder 13.

[0038] The structure and connections of the remaining parts are the same as those described in the foregoing embodiments, and will not be repeated here to avoid redundancy. Those skilled in the art can understand this embodiment by referring to the technical solutions described in the foregoing embodiments.

[0039] Based on the above embodiments, this application will further describe the technical features involved in the technical solution of this application in the following sections, so as to help those skilled in the art to fully understand the technical solution described in this application and be able to reproduce it.

[0040] In this application, the handle 1 facilitates the operator's grip and control of the orientation and position of the entire device, thus facilitating the subsequent medication administration function. Furthermore, the structure cooperating with the handle 1 includes a handle connecting rod 2, a supporting base plate 6, a medication cartridge 8, and an extension medication tube 9. The handle 1, handle connecting rod 2, and supporting base plate 6 form an overall frame structure, which helps maintain the stability of the overall structure. The medication cartridge 8 is mounted on the supporting base plate 6, allowing for adjustment of its orientation through the aforementioned structure. This facilitates the insertion of the extension medication tube 9 into the animal's mouth. The animal's mouth is opened by a spreading device, facilitating the insertion of the extension medication tube 9 and the subsequent administration of the medication.

[0041] In this application, a plurality of drug mixers 5 are distributed on the supporting base plate 6. The top of the drug mixer 5 is sealed and a plurality of drug injection tubes 3 are provided. The drug injection tubes 3 are used to inject different drug solutions. A medical rubber stopper is provided at the inlet of the drug injection tube 3, which facilitates both sealing and drug injection.

[0042] The injection tube 3 is a flexible tube that is connected to the inlet tube 20 inside the transmission housing 4. In addition to connecting the injection tube 3 and the mixing device 5, the inlet tube 20 on the transmission housing 4 can also serve as the shaft of the gear in the transmission gear 22. A bearing structure is provided between the gear and the inlet tube 20 to facilitate the rotation of the gear relative to the inlet tube 20.

[0043] The transmission gear 22 is located inside the transmission housing 4. The transmission gear 22 includes a driving gear connected to the output shaft of the mixing drive motor 17, and driven gears respectively connected to the shaft of the mixing auger 15 and the inner cylinder bushing 21. The driving gear and the driven gear can directly or through meshing of several transmission gears. Under the drive of the mixing drive motor 17, the transmission gear 22 can achieve non-co-rotation of the shaft of the mixing auger 15 and the inner cylinder bushing 21 connected to it.

[0044] In this application, the mixing auger 15, driven by the transmission gear 22, is able to draw liquid medicine from the bottom of the mixing inner cylinder 13 and feed it to the top of the mixing inner cylinder 13. Therefore, the mixing auger 15 needs to include a shaft and spiral blades arranged along the length of the shaft. A gap is left between the spiral blades and the inner wall of the mixing inner cylinder 13 so as not to affect the upward movement of the liquid medicine.

[0045] In this application, when the liquid medicine moves upward from the bottom of the mixing inner cylinder 13 under the action of the mixing auger 15, it will be discharged outward at the inner cylinder outlet 14. Since the inner cylinder outlet 14 is obliquely upward relative to the length direction of the mixing inner cylinder 13, and there is an acute angle between the central axis of the inner cylinder outlet 14 and the central axis of the mixing inner cylinder 13, the liquid medicine will be discharged in an obliquely upward direction relative to the mixing inner cylinder 13, and gradually move downward under the action of gravity, thereby increasing the mixing of different components in the liquid medicine.

[0046] In this application, since the mixing inner cylinder 13 also rotates under the action of the transmission gear 22, and given the transmission ratio setting of the transmission gear 22, the rotational speed of the mixing inner cylinder 13 is significantly less than the rotational speed of the mixing auger 15. For example, when the mixing inner cylinder 13 rotates one revolution, the mixing auger 15 rotates more than five revolutions to ensure that the liquid medicine moves upward within the mixing inner cylinder 13. The rotation of the mixing inner cylinder 13 enables the redistribution of the liquid medicine in different directions at the inner cylinder outlet 14.

[0047] In this application, a number of sidewall discharge holes 16 are distributed on the circumferential sidewall between the top of the mixing inner cylinder 13 and the inner cylinder outlet 14, so as to ensure the full discharge of the liquid medicine and avoid being limited by the outlet size of the inner cylinder outlet 14.

[0048] In this application, the medicine solution mixed by the mixing inner cylinder 13 and the mixing device 5 is discharged from the medicine outlet pipe 7 with a shut-off valve. At this time, the shut-off valve is in the open state, while during the mixing process of the medicine solution, the shut-off valve at the medicine outlet pipe 7 is in the closed state.

[0049] The mixed medicine solution enters the injection cylinder 8 through the dispensing pipe 7. At this time, the shut-off valve of the injection pipe 9 extending from the bottom of the injection cylinder 8 is closed, and the medicine solution will be remixed within the injection cylinder 8. The dispensing pipe 7 can deliver the medicine solution into the injection cylinder 8 along the circumferential tangential direction to increase the self-mixing of the mixed medicine solution within the injection cylinder 8. Although there are multiple mixing devices 5 in this application, the type and quantity of medicine solution mixed in each mixing device 5 are the same.

[0050] The liquid medicine in the injection cylinder 8 will be discharged through the extended injection tube 9 under the action of the push piston 10. Before the liquid medicine is discharged, the shut-off valve at the extended injection tube 9 needs to be opened. The push piston 10 is driven by the push rod motor 11, which is fixed to the injection top cover 12 at the top of the injection cylinder 8. The injection top cover 12 seals the top of the injection cylinder 8.

[0051] In this application, the extended medication tube 9 is made of rigid plastic to ensure it has a certain degree of hardness and flexibility, facilitating the delivery of medication into the animal's mouth. The animal should be restrained by a restraint frame, and a retainer should be placed in its mouth to support it and ensure its mouth remains open during medication administration. Those skilled in the art can select suitable restraint frames and retainers (or supports) to ensure the mouth remains open under existing technology; this is not within the scope of this application.

[0052] Although this application has described the technical solution in detail by means of specific embodiments, those skilled in the art can still recombine and adjust the technical solution of this application based on the foregoing embodiments, or select similar technical features in the prior art to make equivalent substitutions for the corresponding technical features in this application. The technical solution formed after such adjustment and substitution should be understood to be included within the protection scope of this application.

Claims

1. A livestock medication applicator, comprising an extended medication tube (9) connected to an injection cylinder (8), the injection cylinder (8) being located on a supporting base plate (6), the supporting base plate (6) being connected to a handle (1) via a handle connecting rod (2), characterized in that: The supporting base plate (6) is provided with several mixing devices (5). The bottom end of the mixing device (5) is connected to the injection cylinder (8) through the drug outlet pipe (7). The top end of the mixing device (5) is connected to several injection pipes (3). The injection pipe (3) has a medical rubber stopper inside. The injection cylinder (8) is provided with a pusher piston (10). The pusher piston (10) is driven by a pusher motor (11). The injection cylinder (8) is provided with an injection top cover (12) at the top opening position. The pusher motor (11) is fixedly installed on the injection top cover (12). The pusher motor (11) is located in the space formed by several circumferentially distributed mixing devices (5). The drug outlet pipe (7) and the extended injection pipe (9) are both provided with shut-off valves.

2. The livestock medication applicator according to claim 1, characterized in that: The mixing device (5) has a mixing inner cylinder (13) coaxially arranged inside. The bottom opening of the mixing inner cylinder (13) is located above the bottom surface of the mixing device (5) and there is a sufficient gap between it and the bottom surface of the mixing device (5). The top of the mixing device (5) is sealed. The mixing inner cylinder (13) has several inner cylinder outlets (14) connected to the circumferential side wall near the top. The mixing device (5) has a mixing auger (15) coaxially arranged inside. The shaft of the mixing auger (15) passes through the top of the mixing inner cylinder (13) and is driven by the mixing drive motor (17).

3. The livestock medication applicator according to claim 2, characterized in that: The mixing drive motor (17) is located on the transmission housing (4), which is located at the top of the mixing device (5) and is fixedly connected to it. The output shaft of the mixing drive motor (17) is connected to the input end of the transmission housing (4). A transmission gear (22) is provided inside the transmission housing (4), which drives the shaft of the mixing auger (15) to rotate.

4. The livestock medication applicator according to claim 3, characterized in that: The top of the mixing inner cylinder (13) has an inner cylinder bushing (21) coaxially arranged with the shaft of the mixing auger (15). The top of the inner cylinder bushing (21) passes through the top of the mixing inner cylinder (13) and extends into the interior of the transmission box (4) and is connected to the transmission gear (22).

5. The livestock medication applicator according to claim 4, characterized in that: The inner cylinder bushing (21) and the mixing screw (15) shaft rotate in opposite directions under the drive of the transmission gear (22).

6. The livestock medication applicator according to claim 5, characterized in that: The mixing inner cylinder (13) has several side wall discharge holes (16) distributed on the circumferential side wall between the top end and the inner cylinder outlet (14).

7. The livestock medicine administerer according to any one of claims 2 to 6, characterized in that: The central axis of the inner cylinder outlet (14) and the central axis of the mixing inner cylinder (13) form an acute angle.

8. The livestock medicine administerer according to any one of claims 2 to 6, characterized in that: The mixing device (5) has several side wall arc plates (18) fixedly installed on its circumferential inner wall.

Citation Information

Patent Citations

  • Livestock drencher

    CN115349975A

  • Drencher with auxiliary fixing structure

    CN221998088U