WO2017190395A1 - Valve of mixer for stirring medicinal materials - Google Patents

Abstract

A valve of a mixer for stirring medicinal materials, comprising: a valve body (1), a plug body (2), a valve stem (3) and a sealing seat (4). The plug body (2) is symmetrically provided with a liquid medicine through-hole (21) thereon, has one end located within the valve body (1) and the other end located within the valve stem (3) passing through the sealing seat (4), and is connected to the valve stem (3) by means of a bolt (6); the plug body (2), the valve stem (3) and the sealing seat (4) are made of hard medical plastic, the plug body (2) is sleeved with a bearing (8) on a side adjacent to the bottom wall of a channel, and the bottom end of the valve body (1) is provided with an overflow tube (7) to allow the liquid medicine to flow down uniformly. The valve of the mixer for stirring medicinal materials has a simple structure, small frictional resistance during the opening and closing of the valve body (1) and the plug body (2), a short opening time, and a tight seal.

Description

 Valve for medical drug mixing mixer

 Technical field

 [0001] The present invention relates to a medical device, and in particular to a valve for a medical drug mixing mixer.

 Background technique

 [0002] Chinese patent CN204176023U discloses a sanitary ball valve, which belongs to a sanitary ball valve used in the medical field. The diameter of the through hole provided in the valve core is the same as the diameter of the upper flow passage of the valve body, and the valve body is located in the valve core. The left and right ends are provided with a sealing member, and the left and right sealing members are provided with a circular hole having the same diameter as the flow path and being disposed on the same axis as the flow channel, and the ball valve is located at the maximum diameter and the through hole and The circular hole and the flow channel are on the same central axis, one end of the valve stem is fixedly connected with the upper end of the valve core, and at least two sealing rings are arranged between the valve stem and the valve cover. With the ball valve of the above scheme, the valve core and the spool of the ball valve are not integrated, and are easy to trip. At present, in the medical drug mixing mixer, there are also gate valves and butterfly valves for controlling the flow rate of the mixture of the materials. However, the opening and closing time of the gate valve is too long, and the sealing performance is poor. The opening and closing force of the butterfly valve is too large. The prior art control valve is difficult to adjust the flow rate of the chemical liquid, and the quality of the product cannot be guaranteed, and cannot meet the requirements of the national GMP pharmacopoeia.

[0003] For the deficiencies of the prior art, the present invention proposes another solution.

 technical problem

 [0004] The technical problem to be solved by the utility model is: According to the deficiencies of the prior art, a valve for a medical drug mixing mixer is provided, and the special valve of the medical material mixing mixer has a simple structure, the valve body and the plug body The frictional resistance of the sputum pass and the closing is small, and the seal is short and the seal is tight.

 Problem solution

 Technical solution

 [0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows: A valve for a medical drug agitating mixer is provided, which comprises: a valve body, a plug body, a valve stem and a sealing seat;

[0006] The plug body is symmetrically provided with a chemical liquid through hole, one end of the plug body is located in the valve body, and the other end is located in the valve stem through the sealing seat, and is connected with the valve stem through a bolt; the plug body, the valve stem and the sealing seat The utility model is made of a rigid medical plastic, the side of the plug body is sleeved near a bottom wall of the channel, and the bottom end of the valve body is provided for uniform flow of the liquid medicine. Under the overflow tube.

 [0007] The plug body is a cylindrical structure or a cone structure.

 [0008] The valve stem on the plug body can rotate the plug body 90° on the horizontal surface to achieve the opening and closing of the liquid medicine through hole on the plug body.

 [0009] A pressure ring is disposed on a periphery of the joint between the sealing seat and the valve body.

[0010] The overflow pipe is an L-shaped, U-shaped, round pipe or funnel-shaped pipe.

 Advantageous effects of the invention

 Beneficial effect

 [0011] The special valve provided by the utility model has a simple structure, the control valve is easy to adjust the flow rate of the chemical liquid, the friction resistance of the valve body and the plug body is small and closed, and the sealing is short and the sealing is tight.

 Brief description of the drawing

 DRAWINGS

 1 is a schematic structural view of the utility model;

2 is a schematic view showing a funnel shape of an overflow pipe;

3 is a schematic view showing the structure of a plug body bearing of the present invention.

 [0015] wherein: 1, the valve body; 2, the plug body; 21, the chemical liquid through hole; 3, the valve stem; 4, the sealing seat; 5, the pressure ring;

, bolts; 7, overflow pipe; 8 bearings.

 BEST MODE FOR CARRYING OUT THE INVENTION

 BEST MODE FOR CARRYING OUT THE INVENTION

The detailed description of the embodiments of the present invention has been described in detail with reference to the accompanying drawings. The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

 [0017] As shown in FIG. 1, the special valve is characterized by: comprising a valve body 1, a plug body 2, a valve stem 3 and a sealing seat 4;

[0018] The plug body 2 is symmetrically provided with a chemical liquid through hole 21, the second end of the plug body is located in the valve body 1, and the other end is located in the valve stem 3 through the sealing seat 4, and is connected to the valve stem 3 through the bolt 6; a bearing 8 is sleeved on a side of the plug body 2 near the bottom wall of the channel, and the bottom end of the valve body 1 is provided with an overflow pipe 7 for uniformly flowing the chemical liquid; the plug body 2, the valve stem 3 and the sealing seat 4 are made of hard medical plastic. The plug body 2 is a cylindrical or conical structure. The plug body 2 The upper valve stem 3 can rotate the plug body 2 at a horizontal angle of 90°, and the liquid medicine through hole 21 of the plug body 2 is opened and closed.

. A pressure ring 5 is provided on the periphery of the joint between the sealing seat 4 and the valve body 1. The overflow pipe 7 is an L-shaped, U-shaped, circular pipe or funnel-shaped pipe. The structure of the cone is large and small, the torque is reduced, and the operation is labor-saving.

[0019] The plug body 2 is sleeved on the side of the bottom wall of the channel, and the bearing 8 is greatly reduced due to the presence of the bearing 8, that is, the sliding friction is changed from rolling friction to rolling friction, and the valve body and the plug are used. The frictional resistance of the body and the closing is small, which improves the working efficiency.

[0020] The valve is installed at the bottom end of the hopper on the mixer, and by rotating the valve stem 3 by 90°, the plug body 2 in the valve body 1 rotates, so that the liquid medicine through hole 21 and the valve body on the plug body 2 The feed port on 1 is wrong, and the valve is closed. When the valve stem 3 is rotated in the original direction, the liquid medicine through hole 21 and the feed port are slowly aligned, and the valve is opened. The degree of rotation of the stem 3 is proportional to the flow rate of the chemical.

 [0021] The special valve provided by the utility model has the advantages of simple structure, small frictional resistance between the valve body and the plug body, and short sealing and tight sealing.

[0022] The overflow pipe 7 is an L-shaped, U-shaped, circular pipe or funnel-shaped pipe. The L-shape realizes a 90-degree curved output, the U-shape realizes the loop-out output, the round tube realizes a straight-line output, and the funnel-shaped outlet shrinks the caliber to make the liquid medium uniformly flow out.

 The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that the above embodiments are merely preferred embodiments of the present invention. For those skilled in the art, any equivalent or similar substitutions are included in the present invention in accordance with the working principle of the present invention. The scope of protection of utility models.

Embodiments of the invention

[0024] The description paragraphs of the embodiments of the invention are entered here.

 Industrial applicability

[0025] Enter the paragraph of industrial applicability description here.

 Sequence table free content

[0026] Type the sequence table free content description paragraph here.

Claims

 Claim A valve for a medical drug mixing mixer, comprising: a valve body, a plug body, a valve stem and a sealing seat, wherein the plug body is symmetrically provided with a chemical liquid through hole, one end of the plug body is located in the valve body, and the other end is passed through The sealing seat is located in the valve stem and is connected to the valve stem by bolts; the plug body, the valve stem and the sealing seat are made of hard medical plastic, and the plug body is sleeved with a bearing near a side wall of the channel, The bottom end of the valve body is provided with an overflow pipe for uniformly flowing the chemical liquid. A valve for a medical drug agitating mixer according to claim 1, wherein: said plug body has a cylindrical structure or a tapered body structure. A valve for a medical medicinal agitating mixer according to claim 1 or 2, wherein: the valve stem on the plug body rotates the plug body by 90° on a horizontal surface to realize the liquid medicine on the plug body. The through hole is closed and closed. A valve for a medical drug agitating mixer according to claim 1 or 2, characterized in that: a pressure ring is arranged around the joint between the sealing seat and the valve body. A valve for a medical medicinal agitating mixer according to claim 1 or 2, wherein: said overflow tube is an L-shaped, U-shaped, circular tube or funnel-shaped tube.