Liquid medicine slow-release device

Abstract

A medicine liquid slow-release device comprises a plurality of slow-release pipes installed on a disc body, the lower ends of the slow-release pipes are of a hemispherical structure, a plurality of holes are formed in the lower ends of the slow-release pipes, the slow-release pipes serve as components for storing reaction solution components, and the holes are used for slow feeding of the reaction solution components. In order to ensure that materials can be uniformly supplied to the area where the slow-release pipe is located, the eyelets are uniformly formed in the slow-release pipe, and during application, the lower end part of the slow-release pipe extends into a reaction solution to ensure that the injected reaction solution is in direct contact with a solution in a reaction tank, so that the reaction effect is improved. Certainly, the reaction solution can be uniformly and slowly injected into the solution in the reaction tank by controlling the depth of the slow-release pipe extending into the solution in the reaction tank according to needs.

Description

TECHNICAL FIELD

[0001] The utility model relates to biological medicine preparation technical field especially, relates to a liquid medicine slow -release device. BACKGROUND

[0002] When biological medicine is prepared, in order to make reaction components slowly feed at constant rate, usually feed through peristaltic pump, but the material given by this mode is more gathered in local position, needs to reach the mixing requirement required by stirring, because the amount is less when feeding through peristaltic pump, then there will be partial area in the stirring process to reach the requirement of stable feeding. Therefore how to slowly feed more evenly in solution becomes the problem to be solved urgently. CONTENT OF UTILITY MODEL

[0003] The utility model provides a liquid medicine slow -release device to solve the above -mentioned prior art's insufficient, can evenly slowly feed, to overcome the problem of peristaltic pump single -tube feeding, has stronger practicality.

[0004] In order to realize the utility model's purpose, the following technology is adopted:

[0005] A liquid medicine slow -release device, including the installation of multiple slow -release pipes on the disc body, the lower end of slow -release pipe is semispherical structure, and the lower end of slow -release pipe is equipped with multiple eyelets, slow -release pipe is as the component of reaction solution component storage, and the eyelet is used for the slow feeding of reaction solution component, and in order to ensure that the area where slow -release pipe is located can feed more evenly, therefore the eyelet is evenly arranged on slow -release pipe, and when applying, the lower end of slow -release pipe is partially inserted into reaction solution, to ensure that the injected reaction solution directly contacts the solution in reaction tank, of course, the depth of slow -release pipe inserted into the solution in reaction tank can be controlled according to the requirement, to ensure that the reaction solution is more evenly and slowly injected into the solution in reaction tank.

[0006] The upper end of disc body is equipped with liquid injection pipe, the upper end of liquid injection pipe is equipped with flange, multiple guide rods are installed on the flange, the movable plate is sleeved on the guide rod, the lower end of guide rod is installed on the disc body, the hydraulic cylinder is installed on the flange, the movable end of hydraulic cylinder is installed on the movable plate, multiple screw rods are installed on the hydraulic cylinder, the upper end of screw rod is equipped with nut, the lower end of nut acts on the upper wall of movable plate, the lower end of screw rod is equipped with push-pull rod, the lower end of push-pull rod is equipped with piston, push-pull rod and slow -release pipe are in one-to-one correspondence, and push-pull rod and the corresponding slow -release pipe are coaxially arranged, each piston can be moved through the hydraulic cylinder, and the reaction solution in slow -release pipe is extruded into the solution in reaction tank at constant rate through piston. And during the injection process, the extrusion force control can be carried out according to the depth of slow -release pipe inserted into the solution in reaction tank.

[0007] Further, the hole is in a conical structure, and the outer end of the hole is a small end, which can reduce the flow when the reaction solution is injected, and avoid the solution in the reaction tank from penetrating into the reaction solution easily, thereby affecting the preparation of the liquid medicine.

[0008] Further, the disc body is provided with a plurality of lower holes in a circumferential array, the lower holes in each row are arranged at equal intervals, the upper end of the lower hole is communicated with a conical hole, the lower end of the conical hole is a small end, the upper end of the conical hole is communicated with an upper hole, the upper end of the slow-release pipe is communicated with a conical pipe, the conical pipe is in a conical structure, and the outer periphery of the conical pipe is tightly attached to the inner periphery of the conical hole, the upper end of the conical pipe is provided with an upper pipe head, the upper pipe head is located in the upper hole, and the inner diameter of the upper pipe head is greater than the inner diameter of the slow-release pipe, which is used for extruding the liquid medicine from the hole when the piston moves in the slow-release pipe, and when the piston is located in the upper pipe head, the reaction solution can enter the slow-release pipe conveniently, and the conical hole and the conical pipe can improve the sealing effect between the slow-release pipe and the disc body, thereby avoiding the reaction solution from leaking into the solution in the reaction tank in an uncontrollable manner. The upper end of the slow-release pipe is connected with a jam nut through threads, and the upper end of the jam nut acts on the lower wall of the disc body.

[0009] Further, the upper wall of the disc body is provided with a flow guide, a conical groove is formed at the central position of the flow guide, the conical groove is coaxially arranged with the disc body, a plurality of flow channel grooves are formed in the flow guide in an open manner, each flow channel groove is communicated with each row of upper holes, a cover plate is mounted at the upper end of the flow guide, and a push-pull rod is arranged on the cover plate. The flow guide is arranged to facilitate the injection of the reaction solution through the liquid injection pipe.

[0010] Further, the cross section of the flow channel groove is in an isosceles trapezoidal structure, so as to facilitate the injection of the reaction solution into the slow-release pipe.

[0011] Further, the groove bottom of the flow channel groove is a slope, and the outer end of the slope extends downwardly, so as to facilitate the injection of the reaction solution into each slow-release pipe.

[0012] Further, a plurality of limiting covers are arranged on the cover plate, the limiting covers and the push-pull rod have a one-to-one correspondence, the lower end of the push-pull rod is arranged on the corresponding limiting cover, and the piston is located below the limiting cover, and the cover plate and the like are arranged to avoid the contamination of the reaction solution.

[0013] The above technical scheme has the following advantages:

[0014] The utility model discloses convenient slow and more uniform injection of reaction solution into the solution in the reaction tank, and overcomes the uneven problem of peristaltic pump feeding. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below with reference to the drawings.

[0016] Fig. 1 A perspective view of one embodiment is shown.

[0017] Fig. 2 A sectional view of the disc body is shown.

[0018] Fig. 3 A perspective view of the slow-release tube is shown. DETAILED DESCRIPTION

[0019] As Figs. 1-3 shown, a drug solution slow-release device generally comprises a disc body 1 on which a plurality of slow-release tubes 20 are mounted, the lower end of the slow-release tube 20 is in a hemispherical structure, and the lower end of the slow-release tube 20 is provided with a plurality of holes 21, the holes 21 are in a conical structure, and the outer end of the holes 21 is a small end.

[0020] The upper end of the disc body 1 is provided with a liquid injection tube 3, the upper end of the liquid injection tube 3 is provided with a flange 30, a plurality of guide rods 31 are mounted on the flange 30, a movable plate 32 is sleeved on the guide rod 31, the lower end of the guide rod 31 is mounted on the disc body 1, a hydraulic cylinder 34 is mounted on the flange 30, the movable end of the hydraulic cylinder 34 is mounted on the movable plate 32, a plurality of screw rods 33 are mounted on the hydraulic cylinder 34, the upper end of the screw rod 33 is provided with a nut 340, the lower end of the nut 340 acts on the upper wall of the movable plate 32, the lower end of the screw rod 33 is provided with a push-pull rod 35, the lower end of the push-pull rod 35 is provided with a piston, the push-pull rod 35 is in a one-to-one corresponding relationship with the slow-release tube 20, and the push-pull rod 35 and the corresponding slow-release tube 20 are coaxially arranged.

[0021] A plurality of rows of lower holes 18 are circumferentially arranged on the disc body 1, the lower holes 18 in each row of lower holes 18 are arranged at equal intervals, the upper end of the lower hole 18 is communicated with a conical hole 17, the lower end of the conical hole 17 is a small end, the upper end of the conical hole 17 is communicated with an upper hole 16. The upper end of the slow-release tube 20 is communicated with a conical tube 23, the conical tube 23 is in a conical structure, and the outer periphery of the conical tube 23 is tightly attached to the inner periphery of the conical hole 17, the upper end of the conical tube 23 is provided with an upper tube head 2, the upper tube head 2 is located in the upper hole 16, and the inner diameter of the upper tube head 2 is greater than the inner diameter of the slow-release tube 20, which is used to extrude the drug solution from the hole 21 when the piston moves in the slow-release tube 20, the upper end of the slow-release tube 20 is connected with a jam nut 22 through threads, the upper end of the jam nut 22 acts on the lower wall of the disc body 1.

[0022] The upper wall of the disc body 1 is provided with a flow guide 11, a tapered slot 13 is formed at the center position of the flow guide 11, the tapered slot 13 is coaxially arranged with the disc body 1, a plurality of flow channel grooves 14 are formed in the upper end of the flow guide 11 in an open manner, the cross section of the flow channel groove 14 is in isosceles trapezoidal structure, the groove bottom of the flow channel groove 14 is a slope 15, the outer side end of the slope 15 extends downwardly, each flow channel groove 14 is communicated with each row of upper holes 16, a cover plate 36 is installed at the upper end of the flow guide 11, a push-pull rod 35 is arranged on the cover plate 36, a liquid injection pipe 3 is installed on the cover plate 36, and the liquid injection pipe 3 is coaxially arranged with the tapered slot 13, a plurality of limiting covers 37 are arranged on the cover plate 36, the limiting covers 37 and the push-pull rod 35 are in one-to-one corresponding relationship, the lower end of the push-pull rod 35 is arranged on the corresponding limiting cover 37, and the piston is located on the lower side of the limiting cover 37.

[0023] The specific application scene of the embodiment is that the drug solution slow release device is installed at the upper end inside the drug solution preparation tank, and when installed, the position of the lower end of the slow release pipe 20 is reasonably set according to the amount of the reaction solution that can be contained in the drug solution preparation tank.

[0024] When the embodiment is operated, the operator injects the supplied solution into the tapered slot 13 through the liquid injection pipe 3, and then the supplied solution naturally flows into each slow release pipe 20 through the flow channel groove 14, and in the process of injection, a small amount of solution will inevitably be injected into the solution in the preparation tank through the hole 21. Such operation is continued until a certain amount of supplied solution is injected into the slow release pipe 20.

[0025] Then the hydraulic cylinder 34 is started to drive the movable plate 32 and the push-pull rod 35 thereon to move downwardly, and in the process of moving, the piston at the lower end of the push-pull rod 35 extrudes the supplied solution in the slow release pipe 20, and in the process of extrusion, the supplied solution is uniformly and slowly injected into the reaction solution through the hole 21, and in the process of injection, since the pressure in the slow release pipe 20 is greater than the pressure of the reaction solution, the reaction solution can be prevented from entering the slow release pipe 20, and such operation is continued until the liquid injection operation is completed.

[0026] And the predetermined amount of supplied solution can be injected into the slow release pipe 20 according to the need, and an end cover can be arranged at the lower end of the slow release pipe 20 during injection to prevent the supplied solution from leaking, after the injection is completed, each slow release pipe 20 can be installed on the disc body 1, and in this operation, the cover plate 36 will not be arranged, after the slow release pipe 20 is installed, the device can be moved to the top of the tank body, and then the end cover is removed, before the removal, the piston is arranged in the slow release pipe 20, and the supplied solution is prevented from leaking by the upward extraction, and then the slow release pipe is inserted into the reaction solution and slowly injected, and in order to exhaust the solution in the slow release pipe 20, the lower end of the piston can be arranged in a round head structure.

[0027] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A drug solution slow-release device, characterized by, The disc body (1) is provided with a plurality of slow-release tubes (20), the lower end of the slow-release tube (20) is in a hemispherical structure, and a plurality of holes (21) are formed in the lower end of the slow-release tube (20); The upper end of the disc body (1) is provided with a liquid injection pipe (3), the upper end of the liquid injection pipe (3) is provided with a flange (30), a plurality of guide rods (31) are mounted on the flange (30), the guide rods (31) are sleeved with movable plates (32), the lower end of the guide rod (31) is mounted on the disc body (1), a hydraulic cylinder (34) is mounted on the flange (30), the movable end of the hydraulic cylinder (34) is mounted on the movable plate (32), a plurality of screw rods (33) are mounted on the hydraulic cylinder (34), the upper end of the screw rod (33) is provided with a nut (340), the lower end of the nut (340) acts on the upper wall of the movable plate (32), the lower end of the screw rod (33) is provided with a push-pull rod (35), the lower end of the push-pull rod (35) is provided with a piston, the push-pull rod (35) is in one-to-one correspondence with the slow-release tube (20), and the push-pull rod (35) is coaxially arranged with the corresponding slow-release tube (20).

2. The drug liquid elution delaying apparatus according to claim 1, wherein The hole (21) is in a conical structure, and the outer side end of the hole (21) is a small end.

3. The drug liquid elution delaying apparatus according to claim 1, wherein A plurality of rows of lower holes (18) are formed in the disc body (1) in a circumferential array, the lower holes (18) in each row of lower holes (18) are arranged at equal intervals, the upper end of the lower hole (18) is communicated with a conical hole (17), the lower end of the conical hole (17) is a small end, and the upper end of the conical hole (17) is communicated with an upper hole (16); The upper end of the slow-release tube (20) is communicated with a conical tube (23), the conical tube (23) is in a conical structure, and the outer periphery of the conical tube (23) is tightly attached to the inner periphery of the conical hole (17), the upper end of the conical tube (23) is provided with an upper tube head (2), the upper tube head (2) is located in the upper hole (16), and the inner diameter of the upper tube head (2) is greater than the inner diameter of the slow-release tube (20), so that when the piston moves in the slow-release tube (20), the liquid medicine is squeezed out of the hole (21); The upper end of the slow-release tube (20) is connected with a tight nut (22) through threads, and the upper end of the tight nut (22) acts on the lower wall of the disc body (1).

4. The drug elution device of claim 1, wherein The upper wall of the disc body (1) is provided with a flow guide piece (11), a conical groove (13) is formed at the central position of the flow guide piece (11), the conical groove (13) is coaxially arranged with the disc body (1), a plurality of flow channel grooves (14) are formed in the flow guide piece (11) in an open manner, each flow channel groove (14) is communicated with each row of upper holes (16); The upper end of the flow guide piece (11) is mounted with a cover plate (36), the push-pull rod (35) penetrates through the cover plate (36), the liquid injection pipe (3) is mounted on the cover plate (36), and the liquid injection pipe (3) is coaxially arranged with the conical groove (13).

5. The drug elution device of claim 4, wherein The cross section of the flow channel groove (14) is in an isosceles trapezoidal structure.

6. The drug elution device of claim 4, wherein The groove bottom of the flow channel groove (14) is a slope (15), and the outer side end of the slope (15) extends downward and downward.

7. The drug elution device of claim 4, wherein A plurality of limiting covers (37) are arranged on the cover plate (36), the limiting cover (37) and the push-pull rod (35) are in one-to-one correspondence, the lower end of the push-pull rod (35) penetrates through the corresponding limiting cover (37), and the piston is located on the lower side of the limiting cover (37).

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