CN214713711U

CN214713711U - Detachable filter device for syringe

Info

Publication number: CN214713711U
Application number: CN202023027280.5U
Authority: CN
Inventors: 黄亚娟
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-16
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a syringe technical field especially relates to a detachable filter equipment for syringe, including cylinder, an inlet fluid section of thick bamboo, filter and spacing subassembly, the fixed bottom of intercommunication at the cylinder of an inlet fluid section of thick bamboo, the draw-in groove has been seted up to the positive bottom of an inlet fluid section of thick bamboo, filter threaded connection is in the bottom of an inlet fluid section of thick bamboo, spacing subassembly inlays and establishes at the positive top of filter, and the output activity of spacing subassembly is pegged graft in the inside of draw-in groove, spacing subassembly is including fixed pipe, the inside sliding connection of fixed pipe has the fly leaf, the middle part fixedly connected with pole setting at fly leaf top, thrust spring has been cup jointed in the surface activity of pole setting. The utility model discloses cup joint the filter screw thread back on advancing the liquid section of thick bamboo, loosen the disc, under thrust spring's promotion, can make the gag lever post insert to the inside of draw-in groove, avoid the filter to take place the rotatory condition emergence that appears becoming flexible or dropping, improved the security.

Description

Detachable filter device for syringe

Technical Field

The utility model relates to a syringe technical field specifically is a detachable filter equipment for syringe.

Background

The injector 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 extracting the liquid or the liquid from other inaccessible areas by other methods, wherein the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, and the liquid or gas is extruded when the core rod is pushed in.

In the medicine process, the particle that naked eye is difficult for looking up can add infusion bottle (bag) along with the thick big syringe needle of syringe with the sediment, for this reason, can add the filter on the syringe and carry out filtration treatment, and present filter adopts the screw thread more on the cylinder, when using, can drive the filter and take place rotatoryly, leads to the filter to drop, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a detachable filter equipment for syringe possesses firm in connection's advantage, has solved present filter and has adopted the screw thread more on the cylinder, when using, can drive the filter and take place the rotation, leads to the filter to drop, has the problem of certain potential safety hazard.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a detachable filter equipment for syringe, includes cylinder, a liquid inlet tube, filter and spacing subassembly, a liquid inlet tube is fixed to be communicated in the bottom of cylinder, the draw-in groove has been seted up to the positive bottom of a liquid inlet tube, filter threaded connection is in the bottom of a liquid inlet tube, spacing subassembly inlays to be established at the positive top of filter, and the output activity of spacing subassembly is pegged graft in the inside of draw-in groove.

The limiting component comprises a fixed pipe, a movable plate is slidably connected inside the fixed pipe, a vertical rod is fixedly connected to the middle of the top of the movable plate, a thrust spring is sleeved on the outer surface of the vertical rod in a movable mode, the top of the vertical rod penetrates through and extends to the outer side of the fixed pipe, a disc is fixedly connected to the top of the vertical rod, a limiting rod is fixedly connected to the middle of the bottom of the movable plate, and the bottom of the limiting rod is movably inserted into the clamping groove.

Furthermore, the bottom of the filter is fixedly communicated with a needle head which is of a hollow structure.

Furthermore, the inside of the needle cylinder is connected with a piston in a sliding manner, and the middle part of the top of the piston is fixedly connected with a core rod.

Furthermore, the top of the needle cylinder is in an open shape, the top of the core rod extends to the top of the needle cylinder, the top of the core rod is fixedly connected with a pulling plate, and the diameter of the pulling plate is larger than the inner diameter of the needle cylinder.

Furthermore, an observation window is embedded at the bottom of the front surface of the needle cylinder.

Furthermore, a handheld disc is fixedly sleeved at the top of the outer surface of the needle cylinder, a limiting disc is fixedly sleeved on the outer surface of the needle cylinder, and the limiting disc is located below the handheld disc.

Borrow by above-mentioned technical scheme, the utility model provides a detachable filter equipment for syringe possesses following beneficial effect at least:

1. this a detachable filter equipment for syringe through the design of spacing subassembly, cup joints the filter screw thread back on advancing the liquid section of thick bamboo, loosens the disc, under thrust spring's promotion, can make the gag lever post insert to the inside of draw-in groove, avoids the filter to take place the rotatory condition emergence that appears becoming flexible or dropping, has improved the security.

2. This a detachable filter equipment for syringe through the setting of observation window, is convenient for observe the inside liquid medicine of feed liquor section of thick bamboo, knows the particular case of liquid medicine, through the setting of handheld dish and spacing dish, and when using, user's two fingers can add the surface at the feed liquor section of thick bamboo, and handheld dish and spacing dish can prevent that user's finger from landing from the feed liquor section of thick bamboo, are convenient for to the use of syringe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic structural diagram of the limiting component of the present invention.

In the figure: 1. a needle cylinder; 2. a liquid inlet cylinder; 3. a card slot; 4. a filter; 5. a limiting component; 501. a fixed tube; 502. a movable plate; 503. erecting a rod; 504. a thrust spring; 505. a disc; 506. a limiting rod; 6. a needle head; 7. a piston; 8. a core bar; 9. pulling a plate; 10. an observation window; 11. a hand-held disc; 12. a limiting disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a detachable filtering apparatus for an injector comprises a syringe 1, a liquid inlet cylinder 2, a filter 4 and a limiting component 5, wherein the liquid inlet cylinder 2 is fixedly communicated with the bottom of the syringe 1, a clamping groove 3 is formed in the front bottom of the liquid inlet cylinder 2, the filter 4 is in threaded connection with the bottom of the liquid inlet cylinder 2, the limiting component 5 is embedded in the front top of the filter 4, and the output end of the limiting component 5 is movably inserted into the clamping groove 3.

Spacing subassembly 5 is including fixed pipe 501, the inside sliding connection of fixed pipe 501 has fly leaf 502, the middle part fixedly connected with pole setting 503 at fly leaf 502 top, thrust spring 504 has been cup jointed in the surface activity of pole setting 503, the top of pole setting 503 is run through and is extended to the outside of fixed pipe 501, the top fixed connection disc 505 of pole setting 503, the middle part fixedly connected with gag lever post 506 of fly leaf 502 bottom, the bottom activity of gag lever post 506 is pegged graft in the inside of draw-in groove 3, design through spacing subassembly 5, cup joint filter 4 screw thread on liquid inlet tube 2 after, loosen disc 505, under thrust spring 504's promotion, can make gag lever post 506 insert the inside to draw-in groove 3, avoid filter 4 to take place the rotatory condition emergence that appears becoming flexible or dropping, the security has been improved.

The bottom of the filter 4 is fixedly communicated with a needle 6, the needle 6 is of a hollow structure, the inside of the needle cylinder 1 is slidably connected with a piston 7, the middle part of the top of the piston 7 is fixedly connected with a core rod 8, the top of the needle cylinder 1 is in an open shape, the top of the core rod 8 extends to the top of the needle cylinder 1, the top of the core rod 8 is fixedly connected with a pull plate 9, the diameter of the pull plate 9 is larger than the inner diameter of the needle cylinder 1, an observation window 10 is embedded at the front bottom of the needle cylinder 1, the liquid medicine in the liquid inlet cylinder 2 is convenient to observe through the arrangement of the observation window 10, the specific situation of the liquid medicine is known, the top of the outer surface of the needle cylinder 1 is fixedly sleeved with a handheld disc 11, the outer surface of the needle cylinder 1 is fixedly sleeved with a limiting disc 12, the limiting disc 12 is positioned below the handheld disc 11, through the arrangement of the handheld disc 11 and the limiting disc 12, when the liquid inlet cylinder 2 is used, two fingers of a user can be added on the outer surface of the liquid inlet cylinder 2, the handheld disc 11 and the limiting disc 12 can prevent the fingers of the user from sliding off from the liquid inlet cylinder 2, the use of the syringe is convenient.

When using, pulling disc 505, make the gag lever post 506 shrink in the inside of fixed pipe 501, cup joint filter 4 screw thread on liquid inlet cylinder 2, screw up the back at filter 4, can make gag lever post 506 be located the top of draw-in groove 3, loosen disc 505, under thrust spring 504's promotion, can make gag lever post 506 insert to the inside of draw-in groove 3, avoid filter 4 to take place the rotatory condition emergence that appears not hard up or drop, the security has been improved, through observation window 10, be convenient for observe the inside liquid medicine of liquid inlet cylinder 2, know the particular case of liquid medicine, handheld dish 11 and spacing dish 12 can prevent that user's finger from landing from liquid inlet cylinder 2, be convenient for to the use of syringe.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A detachable filter equipment for syringe, includes cylinder (1), feed cylinder (2), filter (4) and spacing subassembly (5), its characterized in that: the liquid inlet cylinder (2) is fixedly communicated with the bottom of the needle cylinder (1), the clamping groove (3) is formed in the bottom of the front face of the liquid inlet cylinder (2), the filter (4) is connected to the bottom of the liquid inlet cylinder (2) in a threaded mode, the limiting component (5) is embedded in the top of the front face of the filter (4), and the output end of the limiting component (5) is movably inserted into the clamping groove (3);

spacing subassembly (5) are including fixed pipe (501), the inside sliding connection of fixed pipe (501) has fly leaf (502), middle part fixedly connected with pole setting (503) at fly leaf (502) top, thrust spring (504) have been cup jointed in the surface activity of pole setting (503), the outside of fixed pipe (501) is run through and is extended to at the top of pole setting (503), top fixed connection disc (505) of pole setting (503), middle part fixedly connected with gag lever post (506) of fly leaf (502) bottom, the inside at draw-in groove (3) is pegged graft in the bottom activity of gag lever post (506).

2. A removable filter unit for a syringe as claimed in claim 1, wherein: the bottom of the filter (4) is fixedly communicated with a needle head (6), and the needle head (6) is of a hollow structure.

3. A removable filter unit for a syringe as claimed in claim 1, wherein: the inner part of the needle cylinder (1) is connected with a piston (7) in a sliding mode, and the middle of the top of the piston (7) is fixedly connected with a core rod (8).

4. A removable filter unit for a syringe according to claim 3, wherein: the top of the needle cylinder (1) is open, the top of the core rod (8) extends to the top of the needle cylinder (1), the top of the core rod (8) is fixedly connected with a pulling plate (9), and the diameter of the pulling plate (9) is larger than the inner diameter of the needle cylinder (1).

5. A removable filter unit for a syringe as claimed in claim 1, wherein: an observation window (10) is embedded in the bottom of the front face of the needle cylinder (1).

6. A removable filter unit for a syringe as claimed in claim 1, wherein: the top of the outer surface of the needle cylinder (1) is fixedly sleeved with a handheld disc (11), the outer surface of the needle cylinder (1) is fixedly sleeved with a limiting disc (12), and the limiting disc (12) is located below the handheld disc (11).