Filter for medicine dissolving device

Abstract

A filter for a medicine dissolving device comprises a filter body, an outer conical connector and an inner conical connector, one side of the filter body is connected with the outer conical connector, the other side of the filter body is connected with the inner conical connector, and the filter is characterized in that the filter body is composed of a barrel, a first movable cover, a second movable cover and a filter assembly, threads are arranged on the outer walls of ports at the two ends of the cylinder body, one end of the cylinder body is in threaded connection with a first movable cover, the other end of the cylinder body is in threaded connection with a second movable cover, and a filtering assembly is installed in the cylinder body. The filter is assembled in a threaded connection mode, the threaded connection mode is more stable compared with clamping connection, and in addition, the sealing ring is additionally arranged to enhance the overall sealing performance of the filter.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary equipment technical field for dissolving medicine device, especially to a kind of filter for dissolving medicine device. BACKGROUND

[0002] The main role of dissolving medicine device is used for medical unit dispensing room dissolving medicine or dispensing use.It is dissolved medicine automatically through aseptic operation, ensure that liquid medicine is not contacted with external environment in the process of transfer, to prevent liquid medicine from being exposed in air to cause secondary, tertiary pollution such as particle, microorganism, ensure the safety and asepsis of dispensing process.

[0003] When using syringe to extract liquid medicine in dissolving medicine device, filter is usually installed in the extraction end of dissolving medicine device, to facilitate filtering liquid medicine of dissolving medicine device, the existing Chinese utility model with publication number CN208389530U discloses a filter for dissolving medicine device, including filter body, the one side of filter body is connected with outer cone joint, the other side is connected with inner cone joint, the one side of outer cone joint is provided with internal thread structure, the one side of inner cone joint is provided with extraction channel, the filter body includes first component unit and second component unit, filter membrane is arranged between the first component unit and the second component unit, the utility model novel structure, simple, especially suitable for filter used in solution device, the resistance of extracting solution in filtering is smaller.

[0004] The first component unit and the second component unit on the body of the filter in the above are clamped by clamping structure, in order to replace filter membrane, multiple opening can make the clamping connection of two component units loose and easy to open, in view of this, optimization and improvement are needed. UTILITY MODEL CONTENTS

[0005] In view of the above technical problems, the utility model provides a filter for dissolving medicine device, sets up double filter membranes to carry out double filtration to liquid medicine, improves the purity of liquid medicine after extraction, and adopts screw connection mode for assembly, which not only facilitates replacement of filter membrane, but also enhances the sealing property of filter as a whole.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A filter for dissolving medicine device, including filter body, outer cone joint and inner cone joint, one side of filter body is connected with outer cone joint, the other side is connected with inner cone joint, characterized by, filter body is composed of cylinder, first movable cover, second movable cover and filter assembly, cylinder is hollow structure, the outer wall of the port of both ends of cylinder is provided with thread, one end of cylinder is connected with first movable cover by thread, the other end is connected with second movable cover by thread, filter assembly is installed in the inside of cylinder,

[0008] The filter assembly is composed of a first filter membrane and a second filter membrane, the first filter membrane is arranged in the cylinder body near one end of the first movable cover, the second filter membrane is arranged in the cylinder body near one end of the second movable cover, the diameters of the first filter membrane and the second filter membrane are matched with the inner diameter of the cylinder body,

[0009] The cylinder body is internally provided with two groups of supporting rings, the outer diameter of the supporting ring is matched with the inner diameter of the cylinder body, and the inner diameter of the supporting ring is smaller than the diameters of the first filter membrane and the second filter membrane,

[0010] The inner side surfaces of the first movable cover and the second movable cover are both provided with limiting rings, the outer diameter of the limiting ring is matched with the inner diameter of the cylinder body, and the inner diameter of the limiting ring is smaller than the diameters of the first filter membrane and the second filter membrane.

[0011] Further, the first movable cover and the second movable cover are provided with sealing rings at the connecting positions with the cylinder body, so as to enhance the sealing performance of the filter body as a whole.

[0012] Specifically, the first filter membrane and the second filter membrane are respectively arranged between the limiting rings and the supporting rings, and are limitedly placed in the cylinder body by the limiting rings and the supporting rings.

[0013] Specifically, the cylinder body is made of transparent material, so as to facilitate the observation of the internal condition.

[0014] Specifically, the first movable cover and the second movable cover are both provided with connecting ends, the connecting end of the first movable cover is connected with the outer conical connector through a hose, and the connecting end of the second movable cover is connected with the inner conical connector through a hose.

[0015] Specifically, the outer conical connector is connected with the medicine extractor, and the inner conical connector is connected with the syringe, wherein the outer conical connector and the inner conical connector are both existing components.

[0016] The beneficial effects of the utility model are as follows:

[0017] The utility model discloses a double filter assembly composed of a first filter membrane and a second filter membrane is arranged in the cylinder body of the filter, when the medicine liquid in the medicine extractor is extracted, the medicine liquid is doubly filtered, the filtering effect is enhanced, and the purity of the medicine liquid after extraction is improved.

[0018] The utility model discloses a filter body of a filter for a medicine dissolving device, which comprises a cylindrical body, a first movable cover and a second movable cover. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Figure 1 is a structural schematic view of a filter body of a filter for a medicine dissolving device according to the utility model.

[0020] Figure 2 Figure 2 is an exploded schematic view of the filter body of the filter for the medicine dissolving device according to the utility model.

[0021] Figure 3 Figure 3 is a cross-sectional structural schematic view of the filter body of the filter for the medicine dissolving device according to the utility model.

[0022] Figure 4 Figure 4 is a cross-sectional structural schematic view of the filter for the medicine dissolving device according to the utility model.

[0023] As shown in the figure: 101. outer cone joint, 102. inner cone joint, 1. cylindrical body, 2. first movable cover, 3. second movable cover, 4. connecting end, 5. sealing ring, 61. first filter membrane, 62. second filter membrane, 7. limiting ring, 8. supporting ring. DETAILED DESCRIPTION

[0024] The technical solutions of the utility model will be described below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In the description of the utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through the intermediate medium indirectly connect, can be two elements inside the intercommunication. For ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0027] Embodiment 1

[0028] As Figure 4 Indicated, the application is composed of filter body, outer conical joint 101 and inner conical joint 102, and the first movable cover 2 and the second movable cover 3 in the filter body are provided with the connecting end 4, the connecting end 4 of the first movable cover 2 is connected with the outer conical joint 101 through the hose, and the connecting end 4 of the second movable cover 3 is connected with the inner conical joint 102 through the hose, wherein the outer conical joint 101 is connected with the medicine dissolving device, and the inner conical joint 102 is connected with the syringe, wherein the outer conical joint 101 and the inner conical joint 102 are the components in the prior art disclosed in the background technology of the application, so the structure of the two components is not described in detail in the application.

[0029] As Figure 1 , the barrel 1 of the filter body is the structure of two ends opening and overall hollow, and the barrel 1 is made of transparent material, which is convenient for observing the internal condition, the outer wall of the two end ports of the barrel 1 is provided with the thread, the thread is matched with the thread groove provided on the inner wall of the first movable cover 2 and the second movable cover 3, so that one end of the barrel 1 is threadedly connected with the first movable cover 2, the other end is threadedly connected with the second movable cover 3, and the sealing ring 5 is arranged at the connection between the first movable cover 2 and the second movable cover 3 and the barrel 1, so as to enhance the sealing property of the filter body as a whole.

[0030] As Figure 2 And 3 , the first filter membrane 61 and the second filter membrane 62 are installed in the inside of the barrel 1, the first filter membrane 61 is arranged in the barrel 1 and located close to one end of the first movable cover 2, the second filter membrane 62 is arranged in the barrel 1 and located close to one end of the second movable cover 3, and the diameter of the first filter membrane 61 and the second filter membrane 62 is matched with the inner diameter of the barrel 1,

[0031] The inside of the barrel 1 is provided with two groups of support rings 7, the outer diameter of the support ring 7 is matched with the inner diameter of the barrel 1, and the support ring 7 is fixedly arranged in the barrel 1, the inner diameter of the support ring 7 is smaller than the diameter of the first filter membrane 61 and the second filter membrane 62, and the inner side of the first movable cover 2 and the second movable cover 3 is provided with a limiting ring 8, the outer diameter of the limiting ring 8 is matched with the inner diameter of the barrel 1, the inner diameter of the limiting ring 8 is also smaller than the diameter of the first filter membrane 61 and the second filter membrane 62, after the first movable cover 2 and the second movable cover 3 are installed on the barrel 1, the first filter membrane 61 and the second filter membrane 62 are located between the limiting ring 8 and the support ring 7 respectively, and the filter membrane is limited to be placed in the inside of the barrel through the limiting ring 8 and the support ring 7.

[0032] When the utility model is used, the outer conical joint 101 is connected with the medicine dissolving device, the inner conical joint 102 is connected with the syringe, the medicine liquid in the medicine dissolving device is extracted through the syringe, the medicine liquid enters the filter body, and the medicine liquid is doubly filtered through the first filter membrane 61 and the second filter membrane 62, so that the filtering effect is enhanced, and the purity of the extracted medicine liquid is improved.

[0033] When the filter membrane is replaced, the movable cover at both ends of the barrel 1 is taken off, and the filter membrane in the inside of the barrel 1 can be taken out, when the filter membrane is installed, one side needs to be installed first and the other side is installed, the filter membrane is pushed into the inside of the barrel 1, so that the inner side of the filter membrane is in contact with the support ring 7 and is supported and limited by the support ring 7, then the movable cover at the corresponding side is rotated and installed at the port of the barrel 1, along with the tightening of the movable cover, the limiting ring 8 on the inner side of the movable cover extends into the barrel 1, and the support ring 7 in the inside of the barrel 1 limits the filter membrane between them to realize the installation of the filter membrane, the replacement and installation operation is convenient, and compared with the clamping connection, it is more stable, and in addition, the sealing ring 5 is additionally arranged to enhance the sealing property of the filter.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The components mentioned in the utility model are common technologies in the prior art, which should be understood by the technicians in the industry, the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, various changes and improvements of the utility model fall within the scope of the utility model without departing from the spirit and scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A filter for a dissolving apparatus, comprising a filter body, an outer conical connector, and an inner conical connector, wherein one side of the filter body is connected to the outer conical connector and the other side is connected to the inner conical connector, characterized in that, The filter body consists of a cylinder, a first movable cover, a second movable cover, and a filter assembly. The cylinder has a hollow structure, and threads are provided on the outer walls of both ends of the cylinder. One end of the cylinder is threaded to the first movable cover, and the other end is threaded to the second movable cover. The filter assembly is installed inside the cylinder.

2. A filter for a dissolving apparatus according to claim 1, characterized in that... The filter assembly consists of a first filter membrane and a second filter membrane. The first filter membrane is disposed inside the cylinder at one end near the first movable cover, and the second filter membrane is disposed inside the cylinder at one end near the second movable cover. The diameters of the first filter membrane and the second filter membrane are adapted to the inner diameter of the cylinder.

3. A filter for a dissolving apparatus according to claim 2, characterized in that... The cylinder is equipped with two sets of support rings inside. The outer diameter of the support rings is adapted to the inner diameter of the cylinder, and the inner diameter of the support rings is smaller than the diameter of the first filter membrane and the second filter membrane.

4. A filter for a dissolving apparatus according to claim 3, characterized in that... The inner surfaces of the first and second movable covers are each provided with a limiting ring. The outer diameter of the limiting ring is adapted to the inner diameter of the cylinder, and the inner diameter of the limiting ring is smaller than the diameter of the first and second filter membranes.

5. A filter for a dissolving apparatus according to claim 4, characterized in that... The first filter membrane and the second filter membrane are located between the limiting ring and the support ring, respectively, and are limited inside the cylinder by the limiting ring and the support ring.

6. A filter for a dissolving apparatus according to claim 1, characterized in that... A sealing ring is provided at the connection between the first and second movable covers and the cylinder.

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