CN213375459U

CN213375459U - Test connector with filtering capability

Info

Publication number: CN213375459U
Application number: CN202021320033.1U
Authority: CN
Inventors: 张春有; 周海标; 章起刚
Original assignee: Zhejiang Zhenli Auto Parts Co ltd
Current assignee: Zhejiang Zhenli Auto Parts Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-06-08
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a test joint with filtering capability, including casing and intubate, the casing includes interface and lower interface, the laminating of intubate outside is gone up the interface inner wall and is reciprocated in last interface, the intubate lower extreme is equipped with spacing piece, it has the interval to go up spacing piece outside and shells inner wall, it covers the interface to go up spacing piece, shells inner wall is equipped with down spacing piece, it is equipped with the through-hole to go up spacing piece down, it is equipped with the filter screen to go up spacing piece down, filter screen covers the through-hole, be equipped with the spring in the casing, connect the spacing piece on the spring, spacing piece under the spring lower extreme is connected, the filter screen can keep apart impurity outside test joint, maintain test joint normal use.

Description

Test connector with filtering capability

Technical Field

The utility model relates to an auto-parts specifically is a test connector with filtering capability.

Background

In the in-process of using test connection, can appear impurity entering test connection in, long-pending long-term, can block up the interior passageway of test connection, the medium will unable passageway from test connection flows to impurity is attached to on the spring in the test connection easily, is unfavorable for the compression of spring.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a test joint with filtering capability can keep apart impurity outside test joint, maintains test joint normal use.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a test joint with a filtering function comprises a shell and an insertion pipe, wherein the shell comprises an upper interface and a lower interface, the upper interface is arranged above the lower interface, the upper interface and the lower interface are both hollow, the upper interface is communicated with the lower interface, the insertion pipe penetrates through the upper interface, the outer side of the insertion pipe is attached to the inner wall of the upper interface and moves up and down in the upper interface, the insertion pipe is provided with a pipe cavity, the inner side of the pipe cavity is provided with an air outlet, the lower end of the insertion pipe is provided with an upper limiting part, the outer side of the upper limiting part is spaced from the inner wall of the shell, the upper limiting part covers the upper interface, the lower interface is provided with an internal thread, the lower interface is connected with a carrier, the inner wall of the shell is provided with a lower limiting part, the lower limiting part is arranged at the upper end of the internal thread, the lower limiting part, when the intubate moves down, gas outlet and last spacing piece move down, and the gas outlet communicates with each other with lower interface, and the spring compression, medium flow in the casing through the filter screen from lower interface, and the medium in the casing flows into toward the gas outlet through the interval of last spacing piece and shells inner wall, and the medium passes through the lumen from the gas outlet and flows out.

Preferably, the upper limiting piece is provided with a sealing ring, and the sealing ring can enhance the sealing property between the outer side of the insertion pipe and the inner side of the upper connector.

Preferably, the casing is equipped with the protective cover, and the last interface is equipped with the external screw thread, and the protective cover is equipped with the internal thread, and protective cover and last interface threaded connection, protective cover lid close on the last interface, and the protective cover can avoid touching and press the intubate.

Preferably, the bottom surface is equipped with the magnet in the protective cover, is equipped with the magnet above the intubate, and the magnet of protective cover and the magnet of intubate adsorb each other, can assist the intubate rebound, makes the relief port covered.

Preferably, the outer side of the protective cover is provided with an anti-slip piece, so that the protective cover can be conveniently grabbed to rotate, and the protective cover can be opened and closed.

Preferably, the inner wall of the upper connector is provided with an anti-sticking groove, so that the friction between the outer side of the insertion pipe and the inner wall of the upper connector is reduced, and the insertion pipe can move up and down in the upper connector conveniently.

Compared with the prior art, the test connector with the filtering function, which adopts the technical scheme, has the advantages that if the medium flows into the test connector from the lower interface, the medium can pass through the filter screen, the filter screen can block impurities flowing along with the medium outside the test connector, and the test connector is maintained to be normally used.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the test connector with filtering function according to the present invention.

FIG. 2 is a schematic structural view of a test connection with a filtering function in example 1.

FIG. 3 is a cross-sectional view of a test connection with a filter function in example 1.

FIG. 4 is a schematic structural view of a test connection with a filtering function in example 1.

Fig. 5 is a schematic structural diagram of a protective cover in embodiment 1.

Fig. 6 is a bottom view of the shield cover of embodiment 1.

Fig. 7 is a sectional view of the housing in embodiment 1.

Fig. 8 is a sectional view of the housing in embodiment 2.

Reference numerals: 1. a protective cover; 11. an anti-slip member; 2. a housing; 21. an upper interface; 22. a lower interface; 3. inserting a tube; 30. a lumen; 31. an air outlet; 32. an upper limiting member; 4. a seal ring; 5. a spring; 6. a lower retainer; 61. a through hole; 7. filtering with a screen; 8. a magnet; 9. and (5) sticking prevention grooves.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1:

the test joint with the filtering function as shown in fig. 1 to 7 comprises a shell 2 and an insertion tube 3, wherein the shell 2 comprises an upper interface 21 and a lower interface 22, the upper interface 21 is arranged above the lower interface 22, the upper interface 21 and the lower interface 22 are both hollow, the upper interface 21 is communicated with the lower interface 22, the insertion tube 3 penetrates through the upper interface 21, the outer side of the insertion tube 3 is attached to the inner wall of the upper interface 21 and moves up and down in the upper interface 21, the insertion tube 3 is provided with a tube cavity 30, the inner side of the tube cavity 30 is provided with an air outlet 31, the lower end of the insertion tube 3 is provided with an upper limiting part 32, the outer side of the upper limiting part 32 is spaced from the inner wall of the shell 2, the upper interface 21 is covered by the upper limiting part 32, the upper sealing ring 4 of the upper limiting part 32, the lower interface 22 is provided with internal threads, the lower interface 22 is connected, Lower interface 22 communicates with each other with gas outlet 31, lower spacing piece 6 is equipped with filter screen 7, filter screen 7 covers through-hole 61, be equipped with spring 5 in the casing 2, spacing piece 32 is connected on the spring 5 upper end, spacing piece 6 is down connected to the spring 5 lower extreme, when intubate 3 moves down, gas outlet 31 and upper spacing piece 32 move down, gas outlet 31 communicates with each other with lower interface 22, the spring 5 compression, the medium flows into casing 2 through filter screen 7 from lower interface 22, the medium in the casing 2 flows into to gas outlet 31 through the interval of upper spacing piece 32 with the casing 2 inner wall, the medium flows out through lumen 30 from gas outlet 31.

Wherein, casing 2 is equipped with protective cover 1, goes up interface 21 and is equipped with the external screw thread, and protective cover 1 is equipped with the internal thread, and protective cover 1 and last interface 21 threaded connection, protective cover 1 lid close on last interface 21, and the protective cover 1 outside is equipped with anti-skidding piece 11, and the bottom surface is equipped with magnet 8 in protective cover 1, is equipped with magnet 8 above the intubate 3, and protective cover 1's magnet and intubate 3's magnet adsorb each other.

Example 2:

as shown in fig. 8, in the test connector with a filtering function, in this embodiment, based on embodiment 1, the inner wall of the upper connector 21 is provided with a sticking prevention groove 9, so as to reduce friction between the outside of the insertion tube 3 and the inner wall of the upper connector 21, and facilitate the insertion tube 3 to move up and down in the upper connector 21.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a test joint with filtering capability which characterized in that: including casing (2) and intubate (3), casing (2) include interface (21) and interface (22) down, go up interface (21) and locate down interface (22) top, go up interface (21) and lower interface (22) equal cavity, it communicates with each other to go up interface (21) and interface (22) down, intubate (3) run through interface (21), interface (21) reciprocates in last interface (21) on the laminating of intubate (3) outside, intubate (3) are equipped with lumen (30), lumen (30) inboard is equipped with gas outlet (31), intubate (3) lower extreme is equipped with spacing piece (32) on, there is the interval on spacing piece (32) outside and casing (2) inner wall, on spacing piece (32) cover interface (21), interface (22) are equipped with the internal thread down, interface (22) connect the carrier down, the inner wall of the shell (2) is provided with a lower limiting piece (6), the lower limiting piece (6) is arranged at the upper end of an internal thread, the lower limiting piece (6) is provided with a through hole (61), the lower interface (22) and the air outlet (31) are communicated, the lower limiting piece (6) is provided with a filter screen (7), the filter screen (7) covers the through hole (61), a spring (5) is arranged in the shell (2), the upper end of the spring (5) is connected with an upper limiting piece (32), and the lower end of the spring (5) is connected with the lower limiting piece (6);

-when the cannula (3) is moved downwards, the air outlet (31) and the upper stopper (32) are moved downwards, the air outlet (31) communicates with the lower port (22), the spring (5) is compressed, the medium flows from the lower port (22) through the sieve (7) into the housing (2), the medium in the housing (2) flows into the air outlet (31) through the distance between the upper stopper (32) and the inner wall of the housing (2), and the medium flows out from the air outlet (31) through the lumen (30).

2. The test connection with filtering capability of claim 1, wherein: and a sealing ring (4) for enhancing the sealing property between the outer side of the insertion pipe (3) and the inner side of the upper interface (21) is arranged on the upper limiting piece (32).

3. The test connection with filtering capability of claim 1, wherein: casing (2) are equipped with protective cover (1) that are used for preventing to touch and press intubate (3), it is equipped with the external screw thread to go up interface (21), protective cover (1) is equipped with the internal thread, protective cover (1) and last interface (21) threaded connection, protective cover (1) lid closes on last interface (21).

4. The test connection with filtering capability of claim 3, wherein: the bottom surface is equipped with magnet (8) in protective cover (1), be equipped with magnet (8) above intubate (3), the magnet of protective cover (1) and the magnet of intubate (3) adsorb each other.

5. The test connection with filtering capability of claim 3, wherein: and an anti-skid piece (11) is arranged on the outer side of the protective cover (1).

6. The test connection with filtering capability of claim 1, wherein: the inner wall of the upper connector (21) is provided with an anti-sticking groove (9) for reducing friction between the outer side of the insertion pipe (3) and the inner wall of the upper connector (21).