CN209900830U

CN209900830U - Net-shaped filter

Info

Publication number: CN209900830U
Application number: CN201920241932.3U
Authority: CN
Inventors: 谭媛; 罗俊蓉; 周雯灏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2020-01-07
Anticipated expiration: 2029-02-26

Abstract

The utility model discloses a net-shaped filter, which comprises a shell with a cavity and a spherical filter screen; the shell comprises an upper shell and a lower shell, the upper shell is detachably connected with the lower shell, the upper shell is provided with a liquid inlet, the lower shell is provided with a liquid outlet, liquid sequentially flows through the liquid inlet, the filter screen and the liquid outlet, the liquid inlet is provided with a liquid inlet pipe joint, and the liquid outlet is provided with a liquid outlet pipe joint; the filter screen has the opening, the opening is equipped with the connecting ring, the connecting ring with the feed liquor union coupling is located the connection can be dismantled to the one end in the cavity. Will the utility model discloses a netted filter sets up on vacuum aspiration ware's suction tube, filters the bone bits, prevents that the bone bits from blockking up vacuum aspiration ware.

Description

Net-shaped filter

Technical Field

The utility model belongs to the technical field of solid-liquid separation, concretely relates to net filter.

Background

In the process of orthopedic clinical surgery, bone chips and hematocele are generated, in order to facilitate the surgery, a negative pressure aspirator is needed to suck out the hematocele containing the bone chips, but in the suction process, the connection part of a suction tube and the negative pressure aspirator is easy to block, so that the suction is not smooth, and the normal operation of the surgery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a not enough among the prior art provides a mesh filter, the utility model discloses a mesh filter sets up on vacuum aspiration ware's the suction tube, filters the bone bits in the hematocele, prevents to attract the pipe blockage of pipe and vacuum aspiration ware junction.

In order to realize the purpose, the utility model discloses a technical scheme be: a mesh filter comprises a shell with a cavity and a spherical filter screen;

the shell comprises an upper shell and a lower shell, the upper shell is detachably connected with the lower shell, the upper shell is provided with a liquid inlet, the lower shell is provided with a liquid outlet, liquid sequentially flows through the liquid inlet, the filter screen and the liquid outlet, the liquid inlet is provided with a liquid inlet pipe joint, and the liquid outlet is provided with a liquid outlet pipe joint;

the filter screen has the opening, the opening is equipped with the connecting ring, the connecting ring with the feed liquor union coupling is located the connection can be dismantled to the one end in the cavity.

Will the utility model discloses a netted filter sets up on vacuum aspiration ware's suction tube, filters the bone bits, prevents that the bone bits from blockking up vacuum aspiration ware. The utility model discloses a casing of filter includes casing and lower casing, and in the filter screen set up the upper casing, the connection can be dismantled with lower casing to the upper casing, after collecting an amount of bone fragments in the filter screen, can take out the filter screen that sets up at the upper casing again with last casing and lower casing separation, conveniently washs the filter screen.

Further, the feed liquor pipe joint includes first barrel and second barrel, first barrel with second barrel coaxial coupling, first barrel runs through the inlet, just the outer wall of first barrel with go up casing sealing connection, the second barrel is located in the cavity, the second barrel is for falling the funnel form, the clamping ring with second barrel detachably connects. The liquid inlet of the upper shell is provided with a liquid inlet pipe joint, the suction pipe is connected with one end of the liquid inlet pipe joint positioned outside the shell, the filter screen is detachably connected with the other end of the liquid inlet pipe joint, and after a certain amount of bone fragments are gathered in the filter screen, the filter screen can be separated from the connector to clean the filter screen and recycle the filter screen; and, the utility model discloses in, feed liquor union coupling includes first barrel and second barrel, and the second barrel is for leaking hopper-shaped, and the great one end of diameter is connected with the filter screen for hematocele and bone fragment can be smooth enter into in the filter screen.

Further, the inner wall of clamping ring is equipped with the internal thread, the outer wall of second barrel is equipped with the external screw thread, the clamping ring with second barrel threaded connection.

Furthermore, the upper shell and the lower shell are hemispherical, the upper shell is provided with a socket section, the lower shell is provided with a socket section, and the socket section of the upper shell is in threaded connection with the socket section of the lower shell.

Furthermore, the inner wall of the socket section and the outer wall of the socket section are both provided with first sealing rings.

Furthermore, a clamping block and a limiting table are convexly arranged on the inner wall of the connecting ring, and a clamping groove is concavely arranged on the outer wall of the second cylinder; the clamping block is clamped in the clamping groove, and one end, far away from the first barrel, of the second barrel abuts against the limiting table to fix the filter screen.

Further, the inner wall second sealing washer of connecting ring, the second sealing washer with the outer wall butt of second barrel.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses a mesh filter includes casing and filter screen, and filter screen detachable sets up in the casing, will the utility model discloses a filter equipment sets up on negative pressure suction apparatus's attraction pipe, and the hematocele flows through behind the filter screen, collects the bone bits in the filter screen, realizes that blood has the separation of bone bits, and the hematocele after the separation prevents that the bone bits from blockking up in the collection bag that flows into negative pressure suction apparatus and attracting the pipe.

The utility model discloses a casing of filter includes casing and lower casing, and in the filter screen set up the upper casing, the connection can be dismantled with lower casing to the upper casing, after collecting an amount of bone fragments in the filter screen, can take out the filter screen that sets up at the upper casing with last casing and lower casing separation again, conveniently washs the filter screen.

The utility model discloses an among the filter, the casing and the filter screen of filter are globular, have increased the area of contact of hematocele and filter screen, improve filtration efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic cross-sectional view of a filter according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of a liquid inlet pipe joint 3 in embodiment 2;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic view showing the structure of a coupling ring according to embodiment 2;

FIG. 6 is a schematic view showing the structure of a filter net and a coupling ring in embodiment 2;

reference numerals: 1-shell, 11-upper shell, 111-socket section, 12-lower shell, 121-socket section, 13-first sealing ring, 2-filter screen, 3-liquid inlet pipe joint 3, 31-first barrel, 32-second barrel, 321-clamping groove, 4-liquid outlet pipe joint, 5-connecting ring, 51-clamping block and 52-limiting table.

Detailed Description

The embodiments of the present invention will be described in detail with reference to fig. 1 to 6;

example 1: a mesh filter comprises a housing 1 with a cavity and a spherical filter screen 2;

casing 1 includes casing 11 and lower casing 12, go up casing 11 with casing 12 detachably connects down, and detachable connection mode specifically does: the upper shell 11 and the lower shell 12 are both hemispherical, the upper shell 11 is provided with a socket section 111, the lower shell 12 is provided with a socket section 121, and the socket section 111 of the upper shell 11 is in threaded connection with the socket section 121 of the lower shell 12. Moreover, the inner wall of the socket section 111 and the outer wall of the socket section 121 are both provided with a first sealing ring 13. When the socket section 121 is inserted into the socket section 111, the first sealing ring 13 arranged on the socket section 111 abuts against the socket section 121, and the first sealing ring 13 of the corresponding socket section 121 abuts against the bearing section, so that the sealing performance of the joint of the upper shell 11 and the lower shell 12 is realized.

The upper shell 11 is provided with a liquid inlet, the lower shell 12 is provided with a liquid outlet, liquid flows through the liquid inlet, the filter screen 2 and the liquid outlet in sequence, the liquid inlet is provided with a liquid inlet pipe joint 3, and the liquid outlet is provided with a liquid outlet pipe joint 4; the suction tube is connected with the liquid inlet tube joint 3, the hose of the negative pressure suction apparatus is connected with the liquid outlet joint,

will the utility model discloses a netted filter sets up on vacuum aspiration ware's suction tube, filters the bone bits, prevents that the bone bits from blockking up vacuum aspiration ware. The utility model discloses a casing 1 of filter includes casing 11 and casing 12 down, and in filter screen 2 set up casing 11, go up casing 11 and casing 12 and can dismantle the connection down, after collecting an amount of bone fragments in filter screen 2, can separate last casing 11 and casing 12 down, will set up filter screen 2 at last casing 11 again and take out, conveniently wash filter screen 2.

In this embodiment, feed liquor pipe joint 3 includes first barrel 31 and second barrel 32, first barrel 31 with second barrel 32 coaxial coupling, first barrel 31 runs through the inlet, just first barrel 31's outer wall with go up casing 11 sealing connection, attract the pipe to be connected with first barrel 31, second barrel 32 is located in the cavity, second barrel 32 is the funnel form, clamping ring 5 with second barrel 32 detachably connects. The filter screen 2 is provided with an opening, the opening is provided with a connecting ring 5, the inner wall of the connecting ring 5 is provided with an internal thread, the outer wall of the second cylinder 32 is provided with an external thread, and the connecting ring 5 is in threaded connection with the second cylinder 32.

When dismantling filter screen 2, only need relative selection filter screen 2 and last casing 11 can realize the separation, same, when installation filter screen 2, with the clamping ring 5 alignment second barrel 32 of filter screen 2, screw can.

When the device is used, the suction tube is connected with one end of the liquid inlet pipe joint 3 positioned outside the shell 1, the hose of the negative pressure suction device is connected with the liquid outlet pipe joint, under the action of the negative pressure suction device, hematocele flows into the filter screen 2 from the suction tube, is filtered by the filter screen 2, flows out of the liquid outlet and is collected in the collection bag of the negative pressure suction device. The filter screen 2 is detachably connected with the liquid inlet pipe joint 3, and after a certain amount of bone fragments are accumulated in the filter screen 2, the filter screen 2 can be separated from the connector to clean the filter screen 2, so that the filter screen 2 can be reused; and, the utility model discloses in, feed liquor coupling 3 includes first barrel 31 and second barrel 32, and second barrel 32 is for leaking hopper-shaped, and the great one end of diameter is connected with filter screen 2 for hematocele and bone fragment can be smooth enter into filter screen 2.

Embodiment 2, this embodiment is different from embodiment 1 in that, in this embodiment, the connection ring 5 of the filter screen 2 is connected to the second cylinder 32 in a snap-in detachable connection manner, specifically: a clamping block 51 and a limiting table 52 are convexly arranged on the inner wall of the connecting ring 5, and a clamping groove 321 is concavely arranged on the outer wall of the second cylinder 32; as shown in the drawings, in the present embodiment, the mentioned slot 321 is an L-shaped slot; the fixture block 51 is clamped in the clamping groove 321, and one end of the second cylinder 32, which is far away from the first cylinder 31, abuts against the limiting table 52 to fix the filter screen 2.

In this embodiment, when the filter screen 2 is installed, the fixture block 51 is aligned with one end of the slot 321, the connecting ring 5 is pushed upward, and after the fixture block 51 abuts tightly, the connecting ring 5 is rotated to slide the fixture block 51 into the other end of the slot 321, at this time, one end of the second cylinder 32 far away from the first cylinder 31 abuts against the limiting table 52, and the filter screen 2 is fixed on the second cylinder 32.

Preferably, a second seal ring is provided on the inner wall of the connecting ring 5, and the second seal ring abuts against the outer wall of the second cylinder 32.

Claims

1. A mesh filter, characterized by: comprises a shell (1) with a cavity and a spherical filter screen (2);

the shell (1) comprises an upper shell (11) and a lower shell (12), the upper shell (11) is detachably connected with the lower shell (12), the upper shell (11) is provided with a liquid inlet, the lower shell (12) is provided with a liquid outlet, liquid sequentially flows through the liquid inlet, the filter screen (2) and the liquid outlet, the liquid inlet is provided with a liquid inlet pipe joint (3), and the liquid outlet is provided with a liquid outlet pipe joint (4);

the filter screen (2) has an opening, the opening is provided with a connecting ring (5), the connecting ring (5) is located with the liquid inlet pipe joint (3) one end in the cavity can be dismantled and connected.

2. The mesh filter according to claim 1, wherein: inlet pipe connects (3) including first barrel (31) and second barrel (32), first barrel (31) with second barrel (32) coaxial coupling, first barrel (31) run through the inlet, just the outer wall of first barrel (31) with go up casing (11) sealing connection, second barrel (32) are located in the cavity, second barrel (32) are hopper-shaped, coupling ring (5) with second barrel (32) detachably connects.

3. The mesh filter according to claim 2, wherein: the inner wall of clamping ring (5) is equipped with the internal thread, the outer wall of second barrel (32) is equipped with the external screw thread, clamping ring (5) with second barrel (32) threaded connection.

4. The mesh filter according to claim 1, wherein: the upper shell (11) and the lower shell (12) are both hemispherical, the upper shell (11) is provided with a socket section (111), the lower shell (12) is provided with a socket section (121), and the socket section (111) of the upper shell (11) is in threaded connection with the socket section (121) of the lower shell (12).

5. The mesh filter according to claim 4, wherein: the inner wall of the socket section (111) and the outer wall of the socket section (121) are both provided with first sealing rings (13).

6. The mesh filter according to claim 2, wherein: a clamping block (51) and a limiting table (52) are convexly arranged on the inner wall of the connecting ring (5), and a clamping groove (321) is concavely arranged on the outer wall of the second cylinder (32); the clamping block (51) is clamped in the clamping groove (321), and one end, far away from the first cylinder (31), of the second cylinder (32) abuts against the limiting table (52) to fix the filter screen (2).

7. The mesh filter according to claim 2, wherein: and a second sealing ring on the inner wall of the connecting ring (5) is abutted against the outer wall of the second cylinder body (32).