Micropore precision filter for infusion apparatus

Abstract

The micropore precision filter structurally comprises a lower cover, a liquid outlet pipe, a protruding block, an air outlet hole, an upper cover and a liquid inlet pipe, the liquid outlet pipe and the lower cover are of an integrated structure, the air outlet hole penetrates through the top of the protruding block, the liquid inlet pipe is communicated with the protruding block, and the protruding block and the upper cover are of an integrated structure; the lower cover comprises a communicating hole, a filter membrane supporting block and a partition plate, the communicating hole penetrates through the partition plate to be communicated with the liquid outlet pipe, the filter membrane supporting block is fixed to the outer surface of the partition plate and used for supporting a filter membrane, gas existing in the upper cover is exhausted through the gas outlet hole, and in the liquid conveying process, the inclination angle of the interior of the downward flowing channel and the inclination angle of the communicating hole are different. The liquid can be assisted in guiding and flowing in the specified direction by the aid of the through holes, the partition plates shield the space between the containing grids and the liquid outlet, a large amount of liquid is collected in the containing grids, and the liquid can only be uniformly and orderly conveyed through the through holes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of precision filter, more specifically, especially, it is related to a kind of infusion set micropore precision filter. BACKGROUND

[0002] Infusion set filter is mainly to filter out insoluble particles in liquid medicine, to improve the safety and effectiveness of infusion, through its microporous structure, insoluble particles with diameter below five microns are removed, which will be intercepted by filter membrane and retained on the surface of filter membrane.

[0003] The filter membrane provided in the filter of the current infusion set directly connects and outputs after filtering liquid, the space through which the liquid passes is small, and the problem of unsmooth liquid delivery is prone to occur. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model discloses a kind of infusion set micropore precision filter purposes and functions, achieved by the following specific technical means:

[0005] Its structure includes lower cover, liquid outlet pipe, lug, air hole, upper cover, liquid inlet pipe, the liquid outlet pipe is integrated structure with lower cover, the air hole penetrates the top of lug, the liquid inlet pipe is connected with lug, the lug is integrated structure with upper cover;

[0006] The lower cover includes through hole, filter membrane support block, baffle, the through hole is connected with liquid outlet pipe through baffle, the filter membrane support block is fixed on the outer surface of baffle, the filter membrane support block is used to support filter membrane, the air hole is used to discharge the gas existing in the interior of upper cover.

[0007] As a further improvement of the utility model, the liquid outlet pipe includes placing grid, liquid outlet, clamping block, the placing grid is integrated structure with clamping block, the liquid outlet is connected with placing grid through through hole, the baffle separates the space of liquid outlet and placing grid, and the placing grid is used to place and fix filter membrane.

[0008] As a further improvement of the utility model, the upper cover includes lower flow channel, membrane pressing ring, liquid inlet, the lower flow channel is in through state with liquid inlet, the membrane pressing ring is integrated structure with lower flow channel, the membrane pressing ring is fixed by clamping block, and the angle of lower flow channel guides liquid to flow in the direction of lower end.

[0009] As a further improvement of the utility model, the membrane pressing ring is used to press and fix the upper end edge of filter membrane, the filter membrane is fixed and supported between the membrane pressing ring and filter membrane support block, the filter membrane support block is provided with six circular uniform distribution, and the filter membrane support block supports the middle end position of filter membrane by uniform distribution.

[0010] As a further improvement of the utility model, the filter membrane is arranged between the lower cover and the upper cover, the liquid outlet pipe and the liquid inlet pipe are circular structures, which are convenient to connect, the protruding block and the upper cover have a certain difference, which can provide space for the gas to be discharged, and the gas outlet hole and the lower flow channel are mutually connected.

[0011] As a further improvement of the utility model, the baffle collects the liquid and uniformly outputs the liquid through the connecting hole, the lower cover and the upper cover are circular ring structures, which are mutually clamped and fixed, the baffle is spaced apart from the liquid outlet and the space of the placing grid, so that the liquid in the placing grid can be collected and then guided and output through the small range of the connecting hole, and the flow can be uniform and not intermittent.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The clamping and mounting between the lower cover and the upper cover can fix and support the filter membrane, the middle part of the filter membrane is uniformly supported by the filter membrane support block, so that the liquid transported from the liquid inlet pipe to the liquid outlet pipe can be filtered and transported through the filter membrane.

[0014] 2. In the process of liquid transportation, the inclination angles of the lower flow channel and the connecting hole can assist the liquid to flow in the specified direction, and the baffle shields the space between the placing grid and the liquid outlet, so that the liquid can be collected in the placing grid and can be uniformly and orderly transported through the connecting hole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a lower cover structure diagram of the micro-pore precision filter of the infusion device.

[0016] Figure 2 It is an upper cover structure diagram of the micro-pore precision filter of the infusion device.

[0017] Figure 3 It is an internal structure diagram of the lower cover.

[0018] Figure 4 It is a structure diagram of the liquid outlet pipe.

[0019] Figure 5 It is an internal structure diagram of the upper cover.

[0020] Figure 6 It is a combined structure diagram of the micro-pore precision filter of the infusion device.

[0021] In the figure: lower cover-1, liquid outlet pipe-2, protruding block-3, air outlet hole-4, upper cover-5, liquid inlet pipe-6, through hole-11, filter membrane support block-12, partition-13, placing grid-21, liquid outlet-22, clamping block-23, lower flow channel-51, membrane pressing ring-52, liquid inlet-53. DETAILED DESCRIPTION

[0022] The utility model is further described below in combination with the drawings:

[0023] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0024] The utility model provides a kind of infusion set micropore precision filter, its structure includes lower cover 1, liquid outlet pipe 2, protruding block 3, air outlet hole 4, upper cover 5, liquid inlet pipe 6, the liquid outlet pipe 2 and lower cover 1 are integrated structure, the air outlet hole 4 penetrates protruding block 3 top, the liquid inlet pipe 6 is connected with protruding block 3, and the protruding block 3 and upper cover 5 are integrated structure;

[0025] The lower cover 1 includes through hole 11, filter membrane support block 12, partition 13, the through hole 11 is connected with liquid outlet pipe 2 by penetrating partition 13, the filter membrane support block 12 is fixed on the outer surface of partition 13, the filter membrane support block 12 is used to support filter membrane, the air outlet hole 4 is discharged to the gas existing in the inside of upper cover 5, the through hole 11 is located on the side of partition 13, and the amount of control overall output plays the role of uniform output.

[0026] Among them, the liquid outlet pipe 2 includes placing grid 21, liquid outlet 22, clamping block 23, the placing grid 21 and clamping block 23 are integrated structure, the liquid outlet 22 is connected with placing grid 21 by through hole 11, the space of the liquid outlet 22 and placing grid 21 is spaced apart by partition 13, the placing grid 21 is used to place fixed filter membrane, and the clamping block 23 and placing grid 21 form a groove structure to better buckle membrane pressing ring 52.

[0027] Among them, the upper cover 5 includes lower flow channel 51, membrane pressing ring 52, liquid inlet 53, the lower flow channel 51 and liquid inlet 53 are through state, the membrane pressing ring 52 and lower flow channel 51 are integrated structure, the membrane pressing ring 52 is buckled with clamping block 23 and is fixed, the angle of lower flow channel 51 guides liquid to flow in the direction of lower end, and the route position of the liquid flow guided by lower flow channel 51 is provided with filter membrane, so that liquid can pass through filter membrane first.

[0028] The filter membrane supporting block 12 is uniformly distributed and supports the middle end position of the filter membrane in a large area, and the side surface of the through hole 11 has a certain inclination angle, so that the liquid can flow to the liquid outlet 22 better.

[0029] The lower cover 1 and the upper cover 5 are spaced apart by a filter membrane, the liquid outlet pipe 2 and the liquid inlet pipe 6 are circular structures, which are more convenient for connecting the connecting parts, the protruding block 3 and the upper cover 5 have a certain difference, which can provide space for the gas to be discharged, the gas outlet hole 4 and the space of the lower flow channel 51 are mutually penetrated, and the lower cover 1 and the upper cover 5 are located at the same center position, which is beneficial to the downward conveying and flowing of the liquid.

[0030] The lower cover 1 and the upper cover 5 are spaced apart by a filter membrane, the liquid outlet pipe 2 and the liquid inlet pipe 6 are circular structures, which are more convenient for connecting the connecting parts, the protruding block 3 and the upper cover 5 have a certain difference, which can provide space for the gas to be discharged, the gas outlet hole 4 and the space of the lower flow channel 51 are mutually penetrated, and the lower cover 1 and the upper cover 5 are located at the same center position, which is beneficial to the downward conveying and flowing of the liquid.

[0031] The specific use mode and effect of the embodiment are as follows:

[0032] In the utility model, the liquid outlet pipe 2 and the liquid inlet pipe 6 are connected by the connecting parts, the lower cover 1 and the upper cover 5 are installed and buckled, the filter membrane ring 52 is buckled and fixed in the inner ring of the clamping block 23, the filter membrane is placed in the placing grid 21 and is buckled and fixed by the buckle of the filter membrane ring 52, the lower end of the filter membrane is supported by the filter membrane supporting block 12, the liquid is conveyed into the lower flow channel 51 through the liquid inlet 53 of the liquid inlet pipe 6, the inclination angle of the lower flow channel 51 guides the liquid to flow to the lower end, the liquid flows to the space of the partition plate 13 through the filter membrane, a large amount of liquid is collected in the space of the partition plate 13, and then the liquid is connected and output to the liquid outlet 22 of the liquid outlet pipe 2 through the through hole 11.

[0033] The technical scheme disclosed in the utility model, or the technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, can achieve the above technical effects, and falls within the protection scope of the utility model.

Claims

1. A microporous precision filter for an infusion set, comprising a lower cover (1), a liquid outlet pipe (2), a protrusion (3), an air outlet hole (4), an upper cover (5), and a liquid inlet pipe (6), wherein the liquid outlet pipe (2) and the lower cover (1) are an integrated structure, the air outlet hole (4) passes through the top of the protrusion (3), the liquid inlet pipe (6) is connected to the protrusion (3), and the protrusion (3) and the upper cover (5) are an integrated structure, characterized in that: The lower cover (1) comprises a connection hole (11), a filter membrane support block (12), and a partition (13); the connection hole (11) passes through the partition (13) and is connected to the liquid outlet pipe (2); the filter membrane support block (12) is fixed to the outer surface of the partition (13); and the filter membrane support block (12) is used to support the filter membrane.

2. The microporous precision filter for an infusion set according to claim 1, characterized in that: The liquid outlet pipe (2) comprises a placement grid (21), a liquid outlet (22), and a clamping block (23); the placement grid (21) and the clamping block (23) are an integrated structure; the liquid outlet (22) is connected to the placement grid (21) through a connecting hole (11); and the partition (13) separates the space between the liquid outlet (22) and the placement grid (21).

3. The microporous precision filter for an infusion set according to claim 1, characterized in that: The upper cover (5) comprises a downstream channel (51), a film pressing ring (52), and a liquid inlet (53); the downstream channel (51) and the liquid inlet (53) are in a through-state; the film pressing ring (52) and the downstream channel (51) are an integrated structure; the film pressing ring (52) and the clamping block (23) are fixed by snap-fitting.

4. The microporous precision filter for an infusion set according to claim 3, characterized in that: The membrane pressing ring (52) presses and fixes the upper edge of the filter membrane, and the membrane pressing ring (52) and the filter membrane support block (12) fix and support the filter membrane, and the filter membrane support block (12) is provided with a total of six evenly distributed in a circular shape.

5. The microporous precision filter for an infusion set according to claim 1, characterized in that: The lower cover (1) and the upper cover (5) are separated by a filter membrane. The liquid outlet pipe (2) and the liquid inlet pipe (6) are circular structures, which are more convenient for connecting the joints. The protrusion (3) and the upper cover (5) have a certain height difference, which can leave space for the gas to be discharged.

6. The microporous precision filter for an infusion set according to claim 1, characterized in that: The partition (13) collects the liquid and outputs it evenly through the connection hole (11). The outer rings of the lower cover (1) and the upper cover (5) are both circular ring structures and are fixed to each other by snapping.

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