CN214389112U

CN214389112U - Needle filter

Info

Publication number: CN214389112U
Application number: CN202023018294.0U
Authority: CN
Inventors: 朱益德; 沈家豪; 张灵灵
Original assignee: Suzhou Zhenpu Medical Equipment Co ltd
Current assignee: Suzhou Zhenpu Medical Equipment Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-15
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a syringe needle formula filter in laboratory glassware field, including upper cover and lower cover, the top intercommunication of upper cover has the filling pipe, and the top intercommunication of filling pipe has the filling head, the inside fixedly connected with swash plate of filling pipe, the inside fixedly connected with fixed plate of filling pipe, first through-hole has all been seted up to the both sides on fixed plate surface, the second through-hole has been seted up to the inside of filling pipe. The utility model discloses in, through upper cover and lower cover, reach the effect to the filter membrane protection, through filling pipe and filling head, make things convenient for solution to add in the filter, through the swash plate, can cushion the flow of solution, through the fixed plate, reach the sealed effect of filling pipe, through first through-hole, make things convenient for solution to flow, through the second through-hole, first spring and first ball, reach the sealed effect to the second through-hole, also make things convenient for solution to flow, this filter can adjust the solution velocity of flow, be difficult for causing the damage to the filter membrane, make things convenient for people to use.

Description

Needle filter

Technical Field

The utility model relates to an experimental apparatus field specifically is syringe needle formula filter.

Background

The needle type filter shell material is made of high-quality sanitary-grade polypropylene material, the product structural design is precise, the filtering smoothness is guaranteed, the internal space is reasonable, the residual rate is very low, and therefore the waste of samples is reduced.

In a chromatograph, in order to carry out easy conveying, a needle filter is needed, and the existing filter cannot adjust the conveying speed of a solution, and the condition that a filter membrane is damaged easily occurs when the flow rate of the solution is too large, so that a person skilled in the art provides the needle filter to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a syringe needle formula filter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the syringe needle type filter comprises an upper cover and a lower cover, wherein the top of the upper cover is communicated with a filling pipe, the top of the filling pipe is communicated with a filling head, an inclined plate is fixedly connected inside the filling pipe, a fixing plate is fixedly connected inside the filling pipe, first through holes are formed in two sides of the surface of the fixing plate, a second through hole is formed in the filling pipe, a first spring is arranged inside the second through hole, a first sliding ball is fixedly connected to the bottom of the first spring, a filter screen, a filter membrane and a glass fiber layer are arranged between the upper cover and the lower cover, and a water outlet pipe is communicated with the bottom of the lower cover.

As a further aspect of the present invention: the bottom fixedly connected with fixture block of upper cover, the draw-in groove has been seted up at the top of lower cover, and fixture block and draw-in groove joint.

As a further aspect of the present invention: the inside fixedly connected with bracing piece of second through-hole, and the bottom and the first spring fixed connection of bracing piece.

As a further aspect of the present invention: the front and the back of the filling head are both provided with grooves, the inner parts of the grooves are fixedly connected with second springs, and one ends of the second springs are fixedly connected with second sliding balls.

As a further aspect of the present invention: the upper cover is convex, and the lower cover is concave.

As a further aspect of the present invention: the quantity of swash plate is a plurality of, and is the equidistance and distributes.

As a further aspect of the present invention: both sides of the bottom of the upper cover are fixedly connected with pressing blocks, and the bottoms of the pressing blocks are in contact with the filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through upper cover and lower cover, reach the effect to the filter membrane protection, through filling pipe and filling head, make things convenient for solution to add in the filter, through the swash plate, can cushion the flow of solution, through the fixed plate, reach the effect sealed to the filling pipe, through first through-hole, make things convenient for solution to flow, through the second through-hole, first spring and first ball, reach the effect sealed to the second through-hole, also make things convenient for solution to flow, through the filter screen, filtration membrane and glass fiber layer, reach the filterable effect to solution, through the outlet pipe, the solution after conveniently filtering is discharged, this filter can be adjusted the solution velocity of flow, be difficult for causing the damage to the filter membrane, make things convenient for people to use.

2. The utility model discloses in, through fixture block and draw-in groove, conveniently connect upper cover and lower cover, conveniently fix, through the bracing piece, reach the effect to first spring-supported, through recess, second spring and second smooth ball, the connection effect of multiplicable and syringe, through the briquetting, multiplicable fixed effect to the filter screen.

Drawings

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

FIG. 2 is a right side view of the structure filler neck of the present invention;

fig. 3 is an enlarged schematic view of a portion of the structure of fig. 1 according to the present invention.

In the figure: 1. an upper cover; 2. a lower cover; 3. a filling pipe; 4. a filling head; 5. a sloping plate; 6. a fixing plate; 7. a first through hole; 8. a second through hole; 9. a first spring; 10. a first sliding ball; 11. a filter screen; 12. a filtration membrane; 13. a glass fiber layer; 14. a water outlet pipe; 15. a clamping block; 16. a card slot; 17. a support bar; 18. a groove; 19. a second spring; 20. a second sliding ball; 21. and (7) briquetting.

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.

Please refer to fig. 1-3, in the embodiment of the present invention, the syringe needle type filter includes an upper cover 1 and a lower cover 2, the top of the upper cover 1 is communicated with a filling pipe 3, and the top of the filling pipe 3 is communicated with a filling head 4, an inclined plate 5 is fixedly connected inside the filling pipe 3, a fixing plate 6 is fixedly connected inside the filling pipe 3, first through holes 7 are all opened on both sides of the surface of the fixing plate 6, a second through hole 8 is opened inside the filling pipe 3, a first spring 9 is arranged inside the second through hole 8, a first sliding ball 10 is fixedly connected at the bottom of the first spring 9, a filter screen 11, a filter membrane 12 and a glass fiber layer 13 are arranged between the upper cover 1 and the lower cover 2, and a bottom of the lower cover 2 is communicated with a water outlet pipe 14.

Through upper cover 1 and lower cover 2, reach the effect to the filter membrane protection, through filler pipe 3 and filling head 4, make things convenient for solution to add in the filter, through swash plate 5, can cushion the flow of solution, through fixed plate 6, reach the effect sealed to filler pipe 3, through first through-hole 7, make things convenient for solution to flow, through second through-hole 8, first spring 9 and first smooth ball 10, reach the effect sealed to second through-hole 8, also make things convenient for solution to flow, through filter screen 11, filtration membrane 12 and glass fiber layer 13, reach the filterable effect to solution, through outlet pipe 14, the solution after conveniently filtering is discharged, this filter can adjust the solution velocity of flow, be difficult for causing the damage to the filter membrane, make things convenient for people to use.

In this embodiment, bottom fixedly connected with fixture block 15 of upper cover 1, draw-in groove 16 has been seted up at the top of lower cover 2, and fixture block 15 and draw-in groove 16 joint, through fixture block 15 and draw-in groove 16, conveniently connect upper cover 1 and lower cover 2, conveniently fix.

In this embodiment, the inside fixedly connected with bracing piece 17 of second through-hole 8, and the bottom and the first spring 9 fixed connection of bracing piece 17, through bracing piece 17, reach the effect of supporting first spring 9.

In the embodiment, the front surface and the back surface of the filling head 4 are both provided with grooves 18, the inside of the groove 18 is fixedly connected with a second spring 19, one end of the second spring 19 is fixedly connected with a second sliding ball 20, and the groove 18, the second spring 19 and the second sliding ball 20 can increase the connection effect with the injector.

In this embodiment, the upper cover 1 is convex, and the lower cover 2 is concave.

In this embodiment, the number of the inclined plates 5 is several, and the inclined plates are distributed at equal intervals.

In this embodiment, the pressing blocks 21 are fixedly connected to both sides of the bottom of the upper cover 1, and the bottom of the pressing blocks 21 contacts with the filter screen 11, so that the fixing effect on the filter screen 11 can be increased by the pressing blocks 21.

The utility model discloses a theory of operation is: through upper cover 1 and lower cover 2, reach the effect to the filter membrane protection, through filler pipe 3 and filling head 4, make things convenient for solution to add in the filter, through swash plate 5, can cushion the flow of solution, through fixed plate 6, reach the effect sealed to filler pipe 3, through first through-hole 7, make things convenient for solution to flow, through second through-hole 8, first spring 9 and first smooth ball 10, reach the effect sealed to second through-hole 8, also make things convenient for solution to flow, through filter screen 11, filtration membrane 12 and glass fiber layer 13, reach the filterable effect to solution, through outlet pipe 14, the solution after conveniently filtering is discharged, this filter can adjust the solution velocity of flow, be difficult for causing the damage to the filter membrane, make things convenient for people to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Syringe needle formula filter, including upper cover (1) and lower cover (2), its characterized in that: the top of the upper cover (1) is communicated with a filling pipe (3), the top of the filling pipe (3) is communicated with a filling head (4), an inclined plate (5) is fixedly connected inside the filling pipe (3), a fixing plate (6) is fixedly connected inside the filling pipe (3), first through holes (7) are formed in two sides of the surface of the fixing plate (6), second through holes (8) are formed in the filling pipe (3), first springs (9) are arranged inside the second through holes (8), first sliding balls (10) are fixedly connected to the bottoms of the first springs (9), a filter screen (11), a filter membrane (12) and a glass fiber layer (13) are arranged between the upper cover (1) and the lower cover (2), and a water outlet pipe (14) is communicated with the bottom of the lower cover (2).

2. The pinhead filter of claim 1, wherein: the bottom of upper cover (1) fixedly connected with fixture block (15), draw-in groove (16) have been seted up at the top of lower cover (2), and fixture block (15) and draw-in groove (16) joint.

3. The pinhead filter of claim 1, wherein: the inside fixedly connected with bracing piece (17) of second through-hole (8), and the bottom and first spring (9) fixed connection of bracing piece (17).

4. The pinhead filter of claim 1, wherein: the front and the back of the filling head (4) are both provided with grooves (18), the inner parts of the grooves (18) are fixedly connected with second springs (19), and one ends of the second springs (19) are fixedly connected with second sliding balls (20).

5. The pinhead filter of claim 1, wherein: the upper cover (1) is convex, and the lower cover (2) is concave.

6. The pinhead filter of claim 1, wherein: the quantity of swash plate (5) is a plurality of, and is the equidistance and distributes.

7. The pinhead filter of claim 1, wherein: both sides of the bottom of the upper cover (1) are fixedly connected with pressing blocks (21), and the bottoms of the pressing blocks (21) are in contact with the filter screen (11).