Filter membrane convenient to assemble

Abstract

According to the filter membrane convenient to assemble, a first baffle ring is fixedly arranged on a first positioning ring, a first annular groove is formed in the inner side of the first baffle ring, a threaded groove is formed in the outer side of the first baffle ring, a second baffle ring is fixedly arranged on a second positioning ring, a second annular groove is formed in the inner side of the second baffle ring, and a threaded groove is formed in the outer side of the second baffle ring. A threaded ring is arranged on the outer side of the second baffle ring and is in threaded connection with the threaded groove, and after the filter membrane is placed, the threaded ring is matched with the threaded groove, then the first positioning ring or the second positioning ring is rotated, and the first positioning ring and the second positioning ring can be in butt joint; at the moment, the filter membrane sheet is clamped and fixed by the first positioning ring and the second positioning ring, then the combined filter membrane assembly is placed at a designated position on an infusion apparatus, and in the process, the filter membrane sheet is not easy to bend and does not need to be tidied, so that the filter membrane sheet is convenient to assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter membrane technical field, concretely is a filter membrane of convenient assembly. BACKGROUND

[0002] The filter membrane of infusion apparatus is an important component of the infusion apparatus, and its main role is to filter the impurities such as particles and bacteria that may exist in the infusion process, so as to ensure the safety and effectiveness of the infusion.

[0003] The existing filter membrane of infusion apparatus has a single structure, and when it is assembled, the size of the installation groove is often the same as that of the filter membrane, which can cause inconvenience in the installation of the filter membrane. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a filter membrane convenient to assemble.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a filter membrane convenient to assemble, comprising a first positioning ring, a second positioning ring and a filter membrane piece, the filter membrane piece is located between the first positioning ring and the second positioning ring.

[0008] The first positioning ring is fixedly provided with a first blocking ring, the inner side of the first blocking ring is provided with a first annular groove, the outer side of the first blocking ring is provided with a threaded groove, the second positioning ring is fixedly provided with a second blocking ring, the inner side of the second blocking ring is provided with a second annular groove, the outer side of the second blocking ring is provided with a threaded ring, the threaded ring is screw connected with the threaded groove, and the circumferential side of the filter membrane piece is fixed in the inside of the first annular groove and the second annular groove.

[0009] In order to ensure the sealing property of the first positioning ring and the second positioning ring after installation, the utility model improves that the circumferential side of the first positioning ring and the second positioning ring is provided with an annular groove, and the inside of the annular groove is provided with a sealing ring.

[0010] In order to facilitate the assembly of the sealing ring, the utility model improves that the sealing ring is bonded in the inside of the annular groove.

[0011] Further, the utility model improves that the cross section of the sealing ring is trapezoidal.

[0012] Further, the utility model improves that the first positioning ring and the second positioning ring are plastic materials.

[0013] Further, the utility model improves that the size of the first blocking ring and the second blocking ring is the same.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the filter membrane convenient to assemble has the following beneficial effects:

[0016] The filter membrane convenient to assemble, when the filter membrane piece is placed, the threaded ring is matched with the threaded groove, then the first positioning ring or the second positioning ring is rotated, the first positioning ring and the second positioning ring are butted, at this time, the filter membrane piece is clamped and fixed by the first positioning ring and the second positioning ring, then the combined filter membrane assembly is placed on the specified position on the infusion device, in this process, the filter membrane piece is not easy to be bent, and it is not necessary to arrange it, so that the filter membrane piece is convenient to assemble. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a first perspective view of the utility model;

[0018] Fig. 2 It is a second perspective view of the utility model;

[0019] Fig. 3 It is a sectional view of the sealing ring in the utility model;

[0020] In the drawing: 1, first positioning ring; 2, second positioning ring; 3, first annular groove; 4, first blocking ring; 5, threaded groove; 6, second annular groove; 7, second blocking ring; 8, threaded ring; 9, annular groove; 10, sealing ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part 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.

[0022] Please refer to Figs. 1-3 The utility model discloses a filter membrane convenient to assemble, which comprises a first positioning ring 1, a second positioning ring 2 and a filter membrane piece, and the filter membrane piece is located between the first positioning ring 1 and the second positioning ring 2.

[0023] The first positioning ring 1 is fixedly provided with a first blocking ring 4, the inner side of the first blocking ring 4 is provided with a first annular groove 3, the outer side of the first blocking ring 4 is provided with a threaded groove 5, the second positioning ring 2 is fixedly provided with a second blocking ring 7, the inner side of the second blocking ring 7 is provided with a second annular groove 6, the outer side of the second blocking ring 7 is provided with a threaded ring 8, the threaded ring 8 is threadedly connected with the threaded groove 5, and the peripheral side of the filter membrane is fixed in the first annular groove 3 and the second annular groove 6.

[0024] In the embodiment, the first annular groove 3 and the second annular groove 6 are of the same size and are larger than the size of the filter membrane, so that the peripheral side of the filter membrane can be conveniently placed in the first annular groove 3 and the second annular groove 6, when the filter membrane is placed, the threaded ring 8 is matched with the threaded groove 5, then the first positioning ring 1 or the second positioning ring 2 is rotated, the first positioning ring 1 and the second positioning ring 2 are butted, at this time, the filter membrane is clamped and fixed by the first positioning ring 1 and the second positioning ring 2, then the combined filter membrane assembly is placed on the specified position of the infusion device, in this process, the filter membrane is not easy to be bent and does not need to be arranged, so that the filter membrane is convenient to assemble.

[0025] In the embodiment, the peripheral side of the first positioning ring 1 and the second positioning ring 2 is provided with an annular groove 9, the inner side of the annular groove 9 is provided with a sealing ring 10, when the combination of the first positioning ring 1 and the second positioning ring 2 is installed, the sealing ring 10 is pressed, so that the sealing property of the first positioning ring 1 and the second positioning ring 2 after installation is guaranteed.

[0026] Further, the sealing ring 10 is bonded in the annular groove 9, the bonding mode has the advantage of convenient assembly, so that the sealing ring 10 is more convenient to assemble.

[0027] In the embodiment, the cross section of the sealing ring 10 is trapezoidal, the two sides of the sealing ring 10 have inclined surfaces, so that the combination of the first positioning ring 1 and the second positioning ring 2 is convenient to install.

[0028] In the embodiment, the first positioning ring 1 and the second positioning ring 2 are of plastic material, the first positioning ring 1 and the second positioning ring 2 are of PP material.

[0029] In the embodiment, the first blocking ring 4 and the second blocking ring 7 are of the same size.

[0030] In the description of the text, it needs to be explained that the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0031] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application.

Claims

1. A filter membrane for convenient assembly, characterized by: It comprises a first positioning ring (1), a second positioning ring (2) and a filter membrane, the filter membrane is located between the first positioning ring (1) and the second positioning ring (2); A first blocking ring (4) is fixedly arranged on the first positioning ring (1), the inner side of the first blocking ring (4) is provided with a first annular groove (3), the outer side of the first blocking ring (4) is provided with a threaded groove (5), a second blocking ring (7) is fixedly arranged on the second positioning ring (2), the inner side of the second blocking ring (7) is provided with a second annular groove (6), the outer side of the second blocking ring (7) is provided with a threaded ring (8), the threaded ring (8) is threadedly connected with the threaded groove (5), and the circumferential side of the filter membrane is fixed in the first annular groove (3) and the second annular groove (6).

2. The filter membrane of claim 1, wherein: The circumferential side of the first positioning ring (1) and the second positioning ring (2) is provided with an annular groove (9), and the inner side of the annular groove (9) is provided with a sealing ring (10).

3. A filter membrane for easy assembly according to claim 2, characterized in that: The sealing ring (10) is bonded in the inner side of the annular groove (9).

4. A filter membrane for easy assembly according to claim 3, characterized in that: The cross section of the sealing ring (10) is trapezoidal.

5. A filter membrane for easy assembly according to claim 4, characterized in that: The first positioning ring (1) and the second positioning ring (2) are both made of plastic material.

6. A filter membrane for easy assembly according to claim 5, characterized in that: The size of the first blocking ring (4) and the second blocking ring (7) is the same.

Images