CN213554422U

CN213554422U - Safe screw-type medium-pressure needleless dosing connector

Info

Publication number: CN213554422U
Application number: CN202022495738.3U
Authority: CN
Inventors: 索相全
Original assignee: Zibo Du Bai Te Plastic Products Sales Co ltd
Current assignee: Zibo Du Bai Te Plastic Products Sales Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-29
Anticipated expiration: 2030-11-03

Abstract

The utility model belongs to the technical field of needleless medicine that adds connector technique and specifically relates to a safe formula screw-socket type middling pressure needleless medicine that adds connector, including first shell and second shell, first opening has been seted up respectively at the both ends of second shell, the second opening has all been seted up at the both ends of first shell, first opening and second opening intercommunication, first screw thread has been seted up to the one end internal surface of second shell, connects through coupling mechanism between first shell and the second shell. The utility model discloses a set up first elastic glue piece and second elastic glue piece, the second runner between first elastic glue piece and the second elastic glue piece can supply the flow of medicine, and the third runner on the first elastic glue piece is convenient for the medicine through this flow to first runner in, and then make things convenient for the medicine to flow to the transfer line in, for the setting of single plug among the prior art, first elastic glue piece and second elastic glue piece can play sealed effect to the flow of liquid medicine, have avoided the leakage of medicine.

Description

Safe screw-type medium-pressure needleless dosing connector

Technical Field

The utility model relates to a needleless adds medicine joint technical field, especially relates to a safe formula screw-socket type middling pressure needleless adds medicine joint.

Background

When the existing safe screw-type medium-pressure needleless dosing connector is used, only a single sealing rubber plug is arranged in the safe screw-type medium-pressure needleless dosing connector, so that the safe screw-type medium-pressure needleless dosing connector only can play a role in sealing after dosing for a single head, and cannot play a role in sealing two ends of the dosing connector, so that the medicine in the dosing connector is easily leaked from the dosing connector, and further the medicine waste is caused.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a safe screw-type medium-pressure needleless dosing connector.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a safe screw-socket type medium-pressure needleless dosing connector comprises a first shell and a second shell, wherein two ends of the second shell are respectively provided with a first opening, two ends of the first shell are respectively provided with a second opening, the first opening is communicated with the second opening, the inner surface of one end of the second shell is provided with a first thread, the first shell and the second shell are connected through a connecting mechanism, a mounting plate is arranged inside the second shell in a matching manner, the surface of the mounting plate is provided with a convex block in a penetrating manner, a first flow channel is arranged between the convex block and the surface of the mounting plate, the top of the mounting plate is provided with a first elastic rubber block, the top of the first elastic rubber block is provided with a second elastic rubber block, the second elastic rubber block is positioned in the first shell, and the insides of the second elastic rubber block and the first elastic rubber block are both provided with communicated second flow channels, and a third flow channel communicated with the first flow channel and the second flow channel respectively is formed in the bottom of the first elastic rubber block, and a sealing mechanism is arranged between the second elastic rubber block and the first elastic rubber block.

Preferably, sealing mechanism includes the second sealing rubber circle, the second sealing rubber circle is established respectively on the surface of the second elastic rubber piece and the first elastic rubber piece, concave part has been placed on the surface of second sealing rubber circle, the both ends of concave part are passed through the screw and are glued the piece respectively with second elastic rubber and the first elastic rubber piece is connected.

Preferably, the concave members are at least three, and the three concave members are arranged at equal angles.

Preferably, two stoppers are welded on the surface of the concave part, and the two stoppers are respectively contacted with two symmetrical surfaces of the second sealing rubber ring.

Preferably, the connecting mechanism comprises a second thread and a screw tube, the second thread is arranged on the surface of the second shell, one end of the screw tube is mounted at the bottom of the first shell through a screw, and the screw tube is in threaded connection with the second thread.

Preferably, a plurality of fixed blocks are arranged along the arc surface of the spiral pipe, at least eight fixed blocks are arranged at equal angles, and the fixed blocks are long-strip-shaped.

Preferably, one end surface of the second elastic rubber block is sleeved with a first sealing rubber ring, and the surface of the first sealing rubber ring is bonded on the inner surface of the first shell.

Preferably, a rubber block is bonded to the inner surface of the second shell, and the rubber block is in contact with the surface of the first elastic rubber block.

Preferably, the second flow channel is conical.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up first elastic glue piece and second elastic glue piece, the second runner between first elastic glue piece and the second elastic glue piece can supply the flow of medicine, and the third runner on the first elastic glue piece is convenient for the medicine through this flow to first runner in, and then make things convenient for the medicine to flow to the transfer line in, for the setting of single plug among the prior art, first elastic glue piece and second elastic glue piece can play sealed effect to the flow of liquid medicine, have avoided the leakage of medicine.

The utility model discloses glue the setting of the components of a whole that can function independently of piece with first elasticity and the piece is glued to second elasticity, when being convenient for dismantle in the future and maintain, can glue the inner chamber of piece and the piece is glued to second elasticity to first elasticity and carry out disinfection treatment, made things convenient for this to add the dismantlement of medicine joint to handle, improved the convenience of operation.

Drawings

Fig. 1 is an axonometric view of a safety screw type medium pressure needleless dosing connector of the present invention;

fig. 2 is a sectional view of a safety screw-type medium-pressure needleless dosing connector of the present invention;

fig. 3 is a schematic view of a second housing structure of a safety screw-type medium-pressure needleless dosing connector of the present invention;

fig. 4 is a schematic view of a connection structure of the first elastic rubber block, the second elastic rubber block and the sealing mechanism of the safety screw-type medium-pressure needleless dosing connector of the present invention.

In the figure: the sealing structure comprises a first flow channel 1, a convex block 2, a first elastic rubber block 3, a second flow channel 4, a concave piece 5, a second elastic rubber block 6, a first sealing rubber ring 7, a first shell 8, a solenoid 9, a second sealing rubber ring 10, a rubber block 11, a second shell 12, a first thread 13, a fixing block 14, a second thread 15 and a stop block 16.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, the safety screw-type medium-pressure needleless dosing connector comprises a first shell 8 and a second shell 12, wherein first openings are respectively formed at two ends of the second shell 12, second openings are respectively formed at two ends of the first shell 8, the first openings are communicated with the second openings, a first thread 13 is formed on the inner surface of one end of the second shell 12, and the first thread 13 is arranged for connecting the first thread 13 with a transfusion tube with a threaded surface in a threaded manner, so that the stability between the dosing connector and the transfusion tube is improved.

First shell 8 and second shell 12 are connected through coupling mechanism between, coupling mechanism is including seting up second screw thread 15 and the solenoid 9 on second shell 12 surface, the bottom at first shell 8 is passed through the screw to the one end of solenoid 9,

solenoid

9 and 15 threaded connection of second, be equipped with a plurality of fixed blocks 14 along the circular arc surface of solenoid 9, fixed block 14 is equipped with eight and equiangular arrangement at least, fixed block 14 is rectangular form,

solenoid

9 and 15 the setting of second screw thread, threaded connection between solenoid 9 and the second screw thread 15, not only improved the stability of threaded connection between second shell 12 and the first shell 8, still improve the leakproofness between second shell 12 and the first shell 8.

The inside matching of second shell 12 is equipped with the mounting panel, and the surface of mounting panel runs through and installs lug 2, has seted up first flow channel 1 between the surface of lug 2 and mounting panel, and the opening of transfer line is passed and the inside that extends to the transfer line to the one end of lug 2 for make things convenient for the medicine to carry to the inside of transfer line.

First elastic rubber block 3 has been placed at the top of mounting panel, and second elastic rubber block 6 has been placed at the top of first elastic rubber block 3, and the terminal surface cover of second elastic rubber block 6 is equipped with first sealing rubber circle 7, and the surface bonding of first sealing rubber circle 7 is at the internal surface of first shell 8. The first sealing rubber ring 7 is arranged for improving the sealing property of the connection between the second elastic rubber block 6 and the first shell 8, and further preventing the leakage of the medicine. The internal surface of second shell 12 bonds there is block rubber 11, and block rubber 11 glues the surface contact of piece 3 with first elasticity, and block rubber 11 is used for filling between first elasticity glues piece 3 and second shell 12 for improve the stability that first elasticity glues piece 3 and is located second shell 12.

The second elastic rubber block 6 is positioned in the first shell 8, when medical staff injects the medicine into the medicine adding joint, the needle end of the injector firstly penetrates through the second elastic rubber block 6 and extends into the second flow channel 4 of the second elastic rubber block 6, and after the needle end is pulled out, the second elastic rubber block 6 is extruded in a sealing mode through the contractility of the second elastic rubber block 6, and the sealing performance of the second elastic rubber block 6 is improved.

The second runner 4 of intercommunication is all seted up to the inside of the gluey piece 6 of second elasticity and the gluey piece 3 of first elasticity, the third runner of respectively communicating with first runner 1 and second runner 4 is seted up to the bottom of the gluey piece 3 of first elasticity, second runner 4 is coniform, not only be convenient for the flow of medicine, still be convenient for play the effect of storage to the medicine, cooperation through second runner 4 and third runner, because the radial dimension of third runner is less than the radial dimension of second runner 4, therefore, the speed that the medicine flows is slow, be convenient for the slow transport to the transfer line of medicine.

Be equipped with sealing mechanism between second elastic rubber piece 6 and the first elastic rubber piece 3, sealing mechanism includes second sealing rubber circle 10, second sealing rubber circle 10 is established respectively on the surface of second elastic rubber piece 6 and first elastic rubber piece 3, concave type spare 5 has been placed on the surface of second sealing rubber circle 10, the both ends of concave type spare 5 are passed through the screw and are connected with second elastic rubber piece 6 and first elastic rubber piece 3 respectively, concave type spare 5 is equipped with threely at least, angular spread such as three concave type spare 5, the skin weld of concave type spare 5 has two dogs 16, two dogs 16 respectively with two symmetrical surface contact of second sealing rubber circle 10. Two dog 16 and the setting of concave type piece 5, two 16 joints of dog have improved the stability of connecting between concave type piece 5 and the second sealing rubber circle 10 in the both sides of second sealing rubber circle 10, prevent the skew of second sealing rubber circle 10 position. The setting of second sealing rubber circle 10 for improve the leakproofness between second elasticity gluey piece 6 and the first elasticity gluey piece 3, prevent the leakage of medicine, improved the stability that the medicine flows.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The safe screw-type medium-pressure needleless dosing connector comprises a first shell (8) and a second shell (12), wherein first openings are respectively formed in two ends of the second shell (12), second openings are formed in two ends of the first shell (8), the first openings are communicated with the second openings, first threads (13) are formed in the inner surface of one end of the second shell (12), the safe screw-type medium-pressure needleless dosing connector is characterized in that the first shell (8) is connected with the second shell (12) through a connecting mechanism, a mounting plate is arranged inside the second shell (12) in a matching mode, a convex block (2) is installed on the surface of the mounting plate in a penetrating mode, a first flow channel (1) is formed between the surfaces of the convex block (2) and the mounting plate, a first elastic rubber block (3) is placed at the top of the mounting plate, a second elastic rubber block (6) is placed at the top of the first elastic rubber block (3), the second elastic rubber block (6) is located in the first shell (8), a second runner (4) communicated with the inside of the second elastic rubber block (6) and the inside of the first elastic rubber block (3) are both arranged, a third runner communicated with the first runner (1) and the second runner (4) is arranged at the bottom of the first elastic rubber block (3), and a sealing mechanism is arranged between the second elastic rubber block (6) and the first elastic rubber block (3).

2. The safety screw-socket type medium-pressure needleless dosing connector according to claim 1, wherein the sealing mechanism comprises a second sealing rubber ring (10), the second sealing rubber ring (10) is respectively sleeved on the surfaces of the second elastic rubber block (6) and the first elastic rubber block (3), a concave part (5) is placed on the surface of the second sealing rubber ring (10), and two ends of the concave part (5) are respectively connected with the second elastic rubber block (6) and the first elastic rubber block (3) through screws.

3. The safety screw-type medium-pressure needleless dosing connector according to claim 2, wherein at least three female parts (5) are provided, and the three female parts (5) are arranged at equal angles.

4. The safety screw-type medium-pressure needleless dosing connector according to claim 2, wherein two stoppers (16) are welded on the surface of the female member (5), and the two stoppers (16) are respectively in contact with two symmetrical surfaces of the second sealing rubber ring (10).

5. The safety screw-type medium-pressure needleless dosing connector according to claim 1, wherein the connection mechanism comprises a second thread (15) and a screw tube (9) which are arranged on the surface of the second housing (12), one end of the screw tube (9) is installed at the bottom of the first housing (8) through a screw, and the screw tube (9) is in threaded connection with the second thread (15).

6. A safety screw-type medium-pressure needleless drug adding connector according to claim 5, wherein a plurality of fixing blocks (14) are arranged along the arc surface of the screw tube (9), at least eight fixing blocks (14) are arranged at equal angles, and the fixing blocks (14) are long.

7. The safety screw-type medium-pressure needleless dosing connector according to claim 1, wherein a first sealing rubber ring (7) is sleeved on one end surface of the second elastic rubber block (6), and the surface of the first sealing rubber ring (7) is bonded on the inner surface of the first housing (8).

8. The safety screw-type medium-pressure needleless dosing connector according to claim 1, wherein a rubber block (11) is bonded to the inner surface of the second housing (12), and the rubber block (11) is in contact with the surface of the first elastic rubber block (3).

9. The safety screw-type medium-pressure needleless dosing connector according to claim 1, wherein the second flow passage (4) is conical.