CN216319273U

CN216319273U - Syringe filter equipment

Info

Publication number: CN216319273U
Application number: CN202122646237.5U
Authority: CN
Inventors: 李逢华
Original assignee: Shandong Antong Medical Equipment Co ltd
Current assignee: Shandong Antong Medical Equipment Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-19
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a syringe filtering device which comprises a shell and a first filtering frame, wherein the shell is used for temporarily storing liquid to be filtered, the position, close to the top, of the side wall of the shell is fixedly connected with an interface so as to be convenient for accessing the liquid to be filtered, the outside is connected with the liquid to be filtered, a pressurizing assembly is arranged inside the shell and comprises a piston rod, the center of the bottom of the piston rod is fixedly connected with a piston, the center of the top of the piston rod is fixedly connected with a push plate, the piston rod is pushed to move through the push plate so as to drive the piston to push the liquid, and the position, close to the bottom, of the inner wall of the shell is in threaded connection with the first filtering frame. The replaceable filter head is arranged at the bottom of the injector, so that impurities left after internal filtration can be conveniently cleaned and recycled, the manufacturing cost is reduced, and meanwhile, the filter head is convenient to suck or extrude the impurities for filtration, and the multifunction is realized.

Description

Syringe filter equipment

Technical Field

The utility model relates to the technical field of syringe filtering application, in particular to a syringe filtering device.

Background

The appearance of a syringe is an epoch-making revolution in the field of medical devices, and the process of extracting and injecting gas or liquid by using a needle is called injection, and the syringe consists of a syringe with a small hole at the front end and a matched piston core rod and is used for injecting a small amount of liquid or injecting the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, wherein the small hole at the front end of the syringe sucks the liquid or the gas when the core rod is extracted, and the liquid or the gas is extruded when the core rod is pushed in.

Because some traditional syringe filter equipment all carry out the position conversion with liquid when using, do not realize the filtering action to liquid, need touch it with the hand simultaneously to it, thus easily injure the hand, inconvenient operation, some filter injectors are disposable product simultaneously, thereby cause a large amount of wastes, therefore, the utility model provides a syringe filter equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a syringe filtering device, wherein a replaceable filter head is arranged at the bottom of a syringe, so that impurities left after internal filtration can be conveniently cleaned and recycled, the manufacturing cost is reduced, and meanwhile, the filtering device can be conveniently sucked or extruded for filtering, and the multifunction is realized.

In order to solve the technical problems, the utility model adopts a technical scheme that: the syringe filtering device comprises a shell, a connector is fixedly connected to the position, close to the top, of the side wall of the shell, so that the liquid needing to be filtered can be conveniently accessed, a pressurizing assembly is arranged inside the shell and comprises a piston rod, a piston is fixedly connected to the center of the bottom of the piston rod, a push plate is fixedly connected to the center of the top of the piston rod, the piston rod is pushed to move through the push plate, so that the liquid is pushed by the piston, a first filtering frame is in threaded connection with the position, close to the bottom, of the inner wall of the shell, and used for filtering the liquid in the shell, and a filtering mechanism is in threaded connection with the position, close to the bottom, of the outer wall of the shell;

the filtering mechanism comprises a movable shell, and is convenient to be connected with the shell for fixing, the inner wall of the movable shell is close to a plurality of stoppers of fixedly connected with uniform middle positions, and is used for fixing and a plurality of positions of the second filter frame, the top of the stoppers is tightly attached to the second filter frame and is provided with the second filter frame for filtering liquid required to be filtered, the top of the second filter frame is tightly attached to the second filter frame and is provided with a gasket, the gasket is made of rubber, the shell and the movable shell are convenient to install and fix, the second filter frame is fixed in position, a guide pipe is fixedly connected to the center of the bottom of the movable shell, and the liquid is convenient to flow out and suck.

Preferably, the shell is in a cylindrical hollow arrangement, and the top of the shell is fixedly connected with a positioning block, so that a user can push the piston rod through a push plate conveniently.

Preferably, the outer wall of casing is close to the bottom position and is provided with the scale mark, and the use of user when carrying out quantitative filtration to needs is convenient for.

Preferably, the piston is the rubber material, the outer wall of piston is the smooth laminating setting with the inner wall of casing, is convenient for promote the piston and exert pressure to liquid and remove.

Preferably, the top of the push plate is provided with a plurality of anti-slip grooves to prevent slipping during injection.

Preferably, the first filter rack and the second filter rack are internally provided with metal filter screens, so that the service cycle of the filter racks is prolonged, and the filter racks can be used for a long time.

Preferably, the outer wall of the second filter frame is in threaded connection with the inner wall of the movable shell, so that the second filter frame can be conveniently mounted and dismounted at the later stage.

Preferably, the top of gasket and the bottom of casing are closely laminated and are set up, are convenient for carry out better connection to bottom movable shell, carry out the fixed of position to the second filter frame simultaneously.

The utility model has the following beneficial effects:

1. according to the syringe filtering device provided by the utility model, the movable filtering shell which can be freely replaced is arranged at the bottom of the syringe, so that the impurities remained after the liquid in the syringe is filtered are conveniently cleaned;

2. according to the syringe filtering device, the filtering device in the movable shell is in threaded connection, so that the filtering device can be conveniently replaced, and meanwhile, the filtering device can be conveniently detached and cleaned;

3. according to the syringe filtering device provided by the utility model, the scale marks are arranged on the outer wall of the syringe, so that the liquid needing quantitative filtration can be conveniently filtered;

4. according to the syringe filtering device provided by the utility model, the interface is arranged on the syringe, so that the syringe is more convenient to inject or suck liquid, and the liquid needing to be injected or sucked can be filtered, so that the functionality of the syringe is improved.

Drawings

FIG. 1 is a schematic view of a syringe filter according to the present invention;

FIG. 2 is a cross-sectional view of a syringe filter assembly of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of a first filter rack of the syringe filter device of the present invention;

fig. 5 is a structural view of a second filter holder in the filter device of the syringe according to the present invention.

In the figure: 1. a housing; 11. positioning blocks; 12. scale marks; 13. an interface; 2. a piston rod; 21. a piston; 22. pushing the plate; 23. an anti-slip groove; 3. a first filter frame; 4. a movable shell; 41. a limiting block; 42. a second filter frame; 43. a gasket; 44. a conduit.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1, 2 and 4, a syringe filter device includes a housing 1 for temporarily storing a liquid to be filtered, the housing 1 is a cylindrical hollow structure, a positioning block 11 is fixedly connected to a top of the housing 1, so that a user can push a piston rod 2 through a push plate 22, a scale mark 12 is disposed on an outer wall of the housing 1 near a bottom of the housing, so that the user can use the syringe when quantitatively filtering the liquid, a connector 13 is fixedly connected to a side wall of the housing 1 near the top of the housing, so that the liquid to be filtered is accessed, a pressurizing assembly is disposed inside the housing 1, the pressurizing assembly includes a piston rod 2, a piston 21 is fixedly connected to a bottom center of the piston rod 2, the piston 21 is made of rubber, an outer wall of the piston 21 is smoothly attached to an inner wall of the housing 1, so that the piston 21 can be pushed to press the liquid to move, fixedly connected with push pedal 22 is located at the top center of piston rod 2, promote the removal of piston rod 2 through push pedal 22, a plurality of antiskid groove 23 that have are seted up at the top of push pedal 22, prevent skidding when the injection, thereby drive piston 21 to the promotion of liquid, the inner wall of casing 1 is close to bottom position threaded connection and has first filter holder 3, a liquid for in the shell filters, first filter holder 3 all is provided with metal filters with the inside of second filter holder 42, improve its life cycle, be convenient for long-time use.

As shown in fig. 3 and 5, the outer wall of the casing 1 is screwed with a filtering mechanism near the bottom, the filtering mechanism includes a movable casing 4 for connecting and fixing with the casing 1, the inner wall of the movable casing 4 is screwed with the inner wall of the movable casing 4 for fixing the position of the second filtering frame 42, the top of the plurality of stoppers 41 is tightly jointed with the second filtering frame 42 for filtering the liquid to be filtered, the outer wall of the second filtering frame 42 is screwed with the inner wall of the movable casing 4 for facilitating the later installation and disassembly of the second filtering frame 42, the top of the second filtering frame 42 is tightly jointed with a gasket 43, the gasket 43 is made of rubber material for facilitating the installation and fixation of the casing 1 and the movable casing 4, the top of the gasket 43 is tightly jointed with the bottom of the casing 1 for facilitating the better connection of the bottom movable casing 4, meanwhile, the second filter frame 42 is fixed in position, and a guide pipe 44 is fixedly connected to the center of the bottom of the movable shell 4, so that liquid can flow out and be sucked in conveniently.

When the device is used, the interface 13 of the injector is connected with liquid to be filtered, the liquid is injected into the shell, then the push plate 22 is pushed to drive the piston rod 2 to push the piston 21, so that the liquid is filtered by the first filter frame 3 and enters the movable shell 4, then the liquid is filtered by the second filter frame 42 and flows out of the conduit 44, so that the filtering is realized, and the filter frame in the device can be detached and cleaned after being used for a long time and can be recycled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A syringe filter device comprising a casing (1), characterized in that: the connector (13) is fixedly connected to the position, close to the top, of the side wall of the shell (1), a pressurizing assembly is arranged inside the shell (1), the pressurizing assembly comprises a piston rod (2), a piston (21) is fixedly connected to the center of the bottom of the piston rod (2), a push plate (22) is fixedly connected to the center of the top of the piston rod (2), a first filter frame (3) is in threaded connection with the position, close to the bottom, of the inner wall of the shell (1), and a filtering mechanism is in threaded connection with the position, close to the bottom, of the outer wall of the shell (1);

the filtering mechanism comprises a movable shell (4), the inner wall of the movable shell (4) is close to a plurality of limit blocks (41) of fixedly connected with which the middle position is even, the limit blocks (41) are closely attached to the top of the second filter frame (42), the top of the second filter frame (42) is closely attached to the second filter frame and is provided with a gasket (43), the gasket (43) is made of rubber, and a guide pipe (44) is fixedly connected to the center of the bottom of the movable shell (4).

2. A syringe filter arrangement according to claim 1 wherein: the shell (1) is arranged in a cylindrical hollow mode, and a positioning block (11) is fixedly connected to the top of the shell (1).

3. A syringe filter arrangement according to claim 1 wherein: and the outer wall of the shell (1) is provided with a scale mark (12) close to the bottom.

4. A syringe filter arrangement according to claim 1 wherein: piston (21) are the rubber material, the outer wall of piston (21) is smooth laminating setting with the inner wall of casing (1).

5. A syringe filter arrangement according to claim 1 wherein: the top of the push plate (22) is provided with a plurality of anti-skid grooves (23).

6. A syringe filter arrangement according to claim 1 wherein: and metal filter screens are arranged in the first filter frame (3) and the second filter frame (42).

7. A syringe filter arrangement according to claim 1 wherein: the outer wall of the second filter frame (42) is in threaded connection with the inner wall of the movable shell (4).

8. A syringe filter arrangement according to claim 1 wherein: the top of the gasket (43) is tightly attached to the bottom of the shell (1).