CN211383454U

CN211383454U - Rubber plug for needleless connector, rubber plug assembling base and needleless connector

Info

Publication number: CN211383454U
Application number: CN201921295029.1U
Authority: CN
Inventors: 林清华
Original assignee: Ruijia Yixing Technology Co ltd
Current assignee: Ruijia Yixing Technology Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-09-01
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a rubber plug for a needleless connector, which comprises a rubber plug body, wherein the rubber plug body comprises a small disc, a large disc and a connecting plate of a cuboid structure for connecting the large disc and the small disc, two surfaces of the connecting plate, which are composed of a wide edge and a high edge, are respectively butted with the small disc and the large disc, the edge of the bottom surface of the large disc is provided with an annular folded edge which is turned over to a position far away from the small disc, the longitudinal section of the rubber plug body is of an I-shaped structure, a notch which runs through the small disc, the connecting plate and the large disc along the length direction of the connecting plate is arranged in the rubber plug body, and the notch width; the rubber plug body is made of medical elastic materials. The utility model also provides a plug assembly base and a needleless connector. The utility model discloses in adopt the plug that longitudinal section is the I shape, when inserting syringe or venous transfusion system on the one hand, because the connecting plate outside of plug does not have the support wall, the pressure that receives is little, infusion channel opens easily, and on the other hand can save the cost.

Description

Rubber plug for needleless connector, rubber plug assembling base and needleless connector

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a do not have plug for pin joint and plug equipment base and do not have pin joint.

Background

In recent years, with the innovation and development of technology, various types of infusion joints full of Linglan and emphasizing on safe injection without needles have been introduced. Needle-free infusion connectors have also gone through previous blunt needle designs, complex mechanical valves to today's simple and transparent positive pressure needle-free connectors. The purpose of the design of the needleless infusion joint is to protect medical care personnel and reduce the risk of needle stick injuries. In the prior art, the transfusion channels of some rubber plugs without needle connectors are irregular in shape, dead angles exist during use, on one hand, the rubber plugs are not clean, on the other hand, the medicine is not accurately taken, and expensive medicines are wasted. The rubber plug in the prior art is made of more materials and has higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rubber plug for a needleless connector.

The utility model also provides a plug assembly base.

The utility model also provides a needleless connector.

The utility model discloses an innovation point lies in the utility model provides an infusion passageway is the incision of rule, does not have the dead angle region, the utility model discloses a longitudinal section is the plug of I shape, and the plug receives the extrusion when inserting syringe or venous transfusion system on the one hand, and the incision is opened, because the connecting plate outside of plug does not have the support wall, the pressure that receives is little, and the infusion passageway is opened easily, and on the other hand can save the cost, increases the competitive advantage. The utility model discloses a plug equipment base and plug equipment convenient and fast do benefit to liquid flow in the liquid circulation intraductal after the plug incision is opened.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that: the rubber plug for the needleless connector comprises a rubber plug body and is characterized in that the rubber plug body comprises a small disc, a large disc and a connecting plate of a cuboid structure for connecting the large disc and the small disc, two faces of the connecting plate, which are composed of a wide edge and a high edge, are respectively butted with the small disc and the large disc, an annular folded edge which is turned away from the small disc is arranged at the edge of the bottom face of the large disc, the longitudinal section of the rubber plug body is of an I-shaped structure, a notch which penetrates through the small disc, the connecting plate and the large disc along the length direction of the connecting plate is arranged in the rubber plug body, and the width of the notch is smaller than that of the; the rubber plug body is made of medical elastic materials. Infusion passageway is regular incision, does not have the dead angle region, and longitudinal section is the plug of I shape, and the plug receives the extrusion when inserting syringe or venous transfusion system on the one hand, and the incision is opened, because the connecting plate outside of plug does not have the support wall, the pressure that receives is little, and infusion passageway opens easily, and on the other hand can save the cost, increases the competitive advantage. When the injector or the intravenous transfusion system is pulled out, the rubber plug body is made of medical elastic material and rebounds when no pressure exists, and the cut is closed.

Furthermore, the connecting plate is positioned at the centers of the small disc and the large disc, the notch is positioned at the center of the small disc and is a linear notch, and the width direction of the linear notch is parallel to the wide edge of the connecting plate.

Further, the rubber plug body is made of medical silica gel.

Further, the top surface of the small disc is provided with a circular groove with the diameter smaller than that of the small disc. The connector of the injector or the intravenous infusion system corresponds to the circular groove, and the butt joint is more sealed.

A rubber plug assembling base for assembling a rubber plug for a needleless connector comprises a base body, wherein the base body comprises an upper cover and a lower cover; the upper cover comprises a cylindrical cover body, the cylindrical cover body consists of an annular side wall and a circular top surface, a round sleeve protruding out of the circular top surface is arranged at the center of the circular top surface, the round sleeve is communicated with the cylindrical cover body, and external threads are arranged on the side wall of the round sleeve; the lower cover comprises a liquid circulation pipe, the top of the liquid circulation pipe is a bell mouth, the side wall of the liquid circulation pipe is provided with an annular platform, and the annular platform is positioned at the bell mouth and has a distance with the top surface of the liquid circulation pipe; the bottom edge of the annular side wall is welded on the annular platform, the bell mouth of the liquid circulation pipe is inserted into the cylindrical cover body, and a space exists between the top surface of the liquid circulation pipe and the inner wall of the circular top surface; the liquid circulation pipe is sleeved with a circular sleeve, the circular sleeve is connected to the annular platform, the circular sleeve and the annular side wall are located on two sides of the annular platform respectively, the diameter of the circular sleeve is larger than that of the liquid circulation pipe, internal threads are arranged in the circular sleeve, and the bottom of the liquid circulation pipe extends out of the circular sleeve.

Further, annular lateral wall outer lane is equipped with the annular knurl. And the screw connection with other joints is convenient.

Further, the top surface of the round sleeve is provided with two V-shaped grooves which are arranged at equal intervals along the circumferential direction of the round sleeve. Has guiding function.

The utility model provides a needleless connector, includes plug body and base body, the diameter of little disc slightly is greater than the circle cover diameter, and big disc diameter is greater than the circle cover diameter and is less than annular lateral wall diameter, and in the plug body was plugged in the circle cover, little disc hung at the circle cover top surface, and big disc top surface top was at disc top surface inner wall, and there was the interval connecting plate and circle cover inner wall, and the annular hem card of big disc is located between cylindric lid and the horn mouth. The rubber plug assembling base and the rubber plug are assembled conveniently and quickly, and liquid flows into the liquid circulation pipe after the rubber plug notch is opened.

Furthermore, the top surface of the circular sleeve is provided with two V-shaped grooves which are arranged at equal intervals along the circumferential direction of the circular sleeve, the small disc is hung on the top surface of the circular sleeve and forms two semi-disc surfaces taking one diameter of the small disc as a separation line, and the included angle of the two semi-disc surfaces is less than 180 degrees; the cuts are located on the parting lines. Has guiding function when being connected into a syringe or an intravenous infusion system.

The utility model has the advantages that:

1. the utility model discloses in adopt the plug that longitudinal section is the I shape, the plug receives the extrusion when inserting syringe or venous transfusion system on the one hand, and the incision is opened, because the connecting plate outside of plug does not have the support wall, the pressure that receives is little, and the infusion passageway is opened easily, and on the other hand can save the cost, increases the competitive advantage.

2. The utility model discloses a plug equipment base and plug equipment convenient and fast do benefit to liquid flow in the liquid circulation intraductal after the plug incision is opened.

Drawings

Fig. 1 is a schematic structural view of embodiment 1.

FIG. 2 is a sectional view of example 1.

Fig. 3 is a schematic structural view of embodiment 2.

FIG. 4 is a sectional view of example 2.

FIG. 5 is a sectional view of example 3.

FIG. 6 is a sectional view of example 4.

FIG. 7 is a schematic structural view of example 5.

FIG. 8 is a sectional view of example 5.

FIG. 9 is a schematic structural view of example 6.

FIG. 10 is a schematic structural view of example 7.

FIG. 11 is a schematic structural view of example 8.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the rubber plug for the needleless connector comprises a rubber plug body 1, wherein the rubber plug body 1 comprises a small disc 2, a large disc 3 and a connecting plate 4 of a cuboid structure for connecting the large disc 3 and the small disc 2, two sides of the connecting plate 4, which are composed of a wide side and a high side, are respectively butted with the small disc 2 and the large disc 3, an annular folded edge 5 which is folded towards a position far away from the small disc 2 is arranged at the edge of the bottom surface of the large disc 3, the longitudinal section of the rubber plug body 1 is of an I-shaped structure, a notch 6 which penetrates through the small disc 2, the connecting plate 4 and the large disc 3 along the length direction of the connecting plate 4 is arranged in the rubber plug body 1, and the width of the notch; the material of the rubber plug body 1 is medical elastic material, and the material of the rubber plug body 1 is preferably medical silica gel. The connecting plate 4 is positioned at the centers of the small disc 2 and the large disc 3, the notch 6 is positioned at the center of the small disc 2, the notch 2 is a linear notch, and the width direction of the linear notch is parallel to the wide edge of the connecting plate 4.

Example 2: as shown in fig. 3 and 4, the rubber plug for the needleless connector comprises a rubber plug body 1, wherein the rubber plug body 1 comprises a small disc 2, a large disc 3 and a connecting plate 4 of a cuboid structure for connecting the large disc 3 and the small disc 2, and a circular groove 7 with the diameter smaller than that of the small disc 2 is arranged on the top surface of the small disc 2. The connecting plate 4 is respectively butted with the small disc 2 and the large disc 3 by two sides consisting of a wide side and a high side, the edge of the bottom surface of the large disc 3 is provided with an annular folded edge 5 which is turned and folded towards the position far away from the small disc 2, the longitudinal section of the rubber plug body 1 is of an I-shaped structure, a notch 6 which penetrates through the small disc 2, the connecting plate 4 and the large disc 3 along the length direction of the connecting plate 4 is arranged in the rubber plug body 1, and the width of the notch 6 is smaller than that of the connecting plate 4; the material of the rubber plug body 1 is medical elastic material, and the material of the rubber plug body 1 is preferably medical silica gel. The connecting plate 4 is positioned at the centers of the small disc 2 and the large disc 3, the notch 6 is positioned at the center of the small disc 2, the notch 2 is a linear notch, and the width direction of the linear notch is parallel to the wide edge of the connecting plate 4.

Example 3: as shown in fig. 5, a rubber plug assembling base for assembling a rubber plug for a needleless connector comprises a base body 8, wherein the base body 8 comprises an upper cover 9 and a lower cover 10; the upper cover 9 comprises a cylindrical cover body 11, the cylindrical cover body 11 consists of an annular side wall 11.1 and a circular top surface 11.2, and the outer ring of the annular side wall 11.1 can be provided with knurls; a round sleeve 12 protruding out of the round top surface 11.2 is arranged at the center of the round top surface 11.2, the round sleeve 12 is communicated with the cylindrical cover body 11, and external threads are arranged on the side wall of the round sleeve 12; the lower cover 10 comprises a liquid circulating pipe 13, the top of the liquid circulating pipe 13 is provided with a bell mouth 14, the side wall of the liquid circulating pipe 13 is provided with an annular platform 15, and the annular platform 15 is positioned at the bell mouth 14 and has a distance with the top surface of the liquid circulating pipe 13; the bottom edge of the annular side wall 11.1 is welded on the annular platform 15, the bell mouth 14 of the liquid circulating pipe 13 is inserted into the cylindrical cover body 11, and the top surface of the liquid circulating pipe 13 and the inner wall of the circular top surface 11.2 have a distance; the liquid circulation pipe 13 is sleeved with a circular sleeve 16, the circular sleeve 16 is connected to the annular platform 15, the circular sleeve 16 and the annular side wall 11.1 are respectively located on two sides of the annular platform 15, the diameter of the circular sleeve 16 is larger than that of the liquid circulation pipe 13, internal threads are arranged in the circular sleeve 16, and the bottom of the liquid circulation pipe 13 extends out of the circular sleeve 16.

Example 4: as shown in fig. 6, a rubber plug assembling base for assembling a rubber plug for a needleless connector comprises a base body 8, wherein the base body 8 comprises an upper cover 9 and a lower cover 10; the upper cover 9 comprises a cylindrical cover body 11, and the cylindrical cover body 11 consists of an annular side wall 11.1 and a circular top surface 11.2; a round sleeve 12 protruding out of the round top surface 11.2 is arranged at the center of the round top surface 11.2, the round sleeve 12 is communicated with the cylindrical cover body 11, and external threads are arranged on the side wall of the round sleeve 12; the lower cover 10 comprises a liquid circulating pipe 13, the top of the liquid circulating pipe 13 is provided with a bell mouth 14, the side wall of the liquid circulating pipe 13 is provided with an annular platform 15, and the annular platform 15 is positioned at the bell mouth 14 and has a distance with the top surface of the liquid circulating pipe 13; the bottom edge of the annular side wall 11.1 is welded on the annular platform 15, the bell mouth 14 of the liquid circulating pipe 13 is inserted into the cylindrical cover body 11, and the top surface of the liquid circulating pipe 13 and the inner wall of the circular top surface 11.2 have a distance; the liquid circulation pipe 13 is sleeved with a circular sleeve 16, the circular sleeve 16 is connected to the annular platform 15, the circular sleeve 16 and the annular side wall 11.1 are respectively located on two sides of the annular platform 15, the diameter of the circular sleeve 16 is larger than that of the liquid circulation pipe 13, internal threads are arranged in the circular sleeve 16, and the bottom of the liquid circulation pipe 13 extends out of the circular sleeve 16. The top surface of the round sleeve 12 is provided with two V-shaped grooves 17, and the V-shaped grooves 17 are arranged at equal intervals along the circumferential direction of the round sleeve 12.

Example 5: as shown in fig. 7 and 8, the needleless connector comprises a rubber plug body 1 and a base body 8, the diameter of a small disc 2 is slightly larger than the diameter of a circular sleeve 12, the diameter of a large disc 3 is larger than the diameter of the circular sleeve 12 and smaller than the diameter of an annular side wall 11.1, the rubber plug body 1 is plugged into the circular sleeve 12, the small disc 2 is hung on the top surface of the circular sleeve 12, the top surface of the large disc 3 is propped against the inner wall of the disc top surface 11.2, a distance exists between a connecting plate 4 and the inner wall of the circular sleeve 12, and an annular folded edge 5 of the large disc 3 is clamped between a cylindrical cover body.

Example 6: as shown in fig. 9, the needleless connector comprises a rubber plug body 1 and a base body 8, the diameter of the small disc 2 is slightly larger than that of the circular sleeve 12, and the top surface of the small disc 2 is provided with a circular groove 7 with a diameter smaller than that of the small disc 2. The diameter of the large disc 3 is larger than that of the circular sleeve 12 and smaller than that of the annular side wall 11.1, the rubber plug body 1 is plugged into the circular sleeve 12, the small disc 2 is hung on the top surface of the circular sleeve 12, the top surface of the large disc 3 is propped against the inner wall of the circular sleeve top surface 11.2, a distance exists between the connecting plate 4 and the inner wall of the circular sleeve 12, and the annular folded edge 5 of the large disc 3 is clamped between the cylindrical cover body 11 and the bell mouth 14.

Example 7: as shown in fig. 10, a needleless connector comprises a rubber plug body 1 and a base body 8, the diameter of a small disc 2 is slightly larger than the diameter of a circular sleeve 12, the diameter of a large disc 3 is larger than the diameter of the circular sleeve 12 and smaller than the diameter of an annular side wall 11.1, the rubber plug body 1 is plugged into the circular sleeve 12, the small disc 2 is hung on the top surface of the circular sleeve 12, the top surface of the large disc 3 is propped against the inner wall of the disc top surface 11.2, a distance exists between a connecting plate 4 and the inner wall of the circular sleeve 12, and an annular folded edge 5 of the large disc 3 is clamped between a cylindrical cover body. The top surface of the round sleeve 12 is provided with two V-shaped grooves 17, the V-shaped grooves 17 are arranged at equal intervals along the circumferential direction of the round sleeve 12, the small disc 2 is hung on the top surface of the round sleeve 12, the small disc 2 forms two semi-disc surfaces taking one diameter of the small disc 2 as a separation line, and the included angle of the two semi-disc surfaces is less than 180 degrees; the cut 6 is located on the parting line.

Example 8: as shown in fig. 11, the needleless connector comprises a rubber plug body 1 and a base body 8, the diameter of the small disc 2 is slightly larger than that of the round sleeve 12, and the top surface of the small disc 2 is provided with a round groove 7 with a diameter smaller than that of the small disc 2. The diameter of the large disc 3 is larger than that of the circular sleeve 12 and smaller than that of the annular side wall 11.1, the rubber plug body 1 is plugged into the circular sleeve 12, the small disc 2 is hung on the top surface of the circular sleeve 12, the top surface of the large disc 3 is propped against the inner wall of the circular sleeve top surface 11.2, a distance exists between the connecting plate 4 and the inner wall of the circular sleeve 12, and the annular folded edge 5 of the large disc 3 is clamped between the cylindrical cover body 11 and the bell mouth 14. The top surface of the round sleeve 12 is provided with two V-shaped grooves 17, the V-shaped grooves 17 are arranged at equal intervals along the circumferential direction of the round sleeve 12, the small disc 2 is hung on the top surface of the round sleeve 12, the small disc 2 forms two semi-disc surfaces taking one diameter of the small disc 2 as a separation line, and the included angle of the two semi-disc surfaces is less than 180 degrees; the cut 6 is located on the parting line.

The described embodiments are only some, but not all embodiments of the invention. 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.

Claims

1. The rubber plug for the needleless connector comprises a rubber plug body and is characterized in that the rubber plug body comprises a small disc, a large disc and a connecting plate of a cuboid structure for connecting the large disc and the small disc, two faces of the connecting plate, which are composed of a wide edge and a high edge, are respectively butted with the small disc and the large disc, an annular folded edge which is turned away from the small disc is arranged at the edge of the bottom face of the large disc, the longitudinal section of the rubber plug body is of an I-shaped structure, a notch which penetrates through the small disc, the connecting plate and the large disc along the length direction of the connecting plate is arranged in the rubber plug body, and the width of the notch is smaller than that of the; the rubber plug body is made of medical elastic materials.

2. The rubber plug for a needleless connector according to claim 1, wherein the connecting plate is located at the center of the small disk and the large disk, the notch is located at the center of the small disk, the notch is a linear notch, and the width direction of the linear notch is parallel to the wide side of the connecting plate.

3. The rubber plug for a needleless connector according to claim 1, wherein the material of the rubber plug body is medical silica gel.

4. The rubber stopper for a needleless connector according to claim 1, wherein the top surface of the small disk is provided with a circular groove having a diameter smaller than that of the small disk.

5. A rubber plug assembling base for assembling the rubber plug for the needleless connector of any one of claims 1 to 4, comprising a base body, wherein the base body comprises an upper cover and a lower cover; the upper cover comprises a cylindrical cover body, the cylindrical cover body consists of an annular side wall and a circular top surface, a round sleeve protruding out of the circular top surface is arranged at the center of the circular top surface, the round sleeve is communicated with the cylindrical cover body, and external threads are arranged on the side wall of the round sleeve; the lower cover comprises a liquid circulation pipe, the top of the liquid circulation pipe is a bell mouth, the side wall of the liquid circulation pipe is provided with an annular platform, and the annular platform is positioned at the bell mouth and has a distance with the top surface of the liquid circulation pipe; the bottom edge of the annular side wall is welded on the annular platform, the bell mouth of the liquid circulation pipe is inserted into the cylindrical cover body, and a space exists between the top surface of the liquid circulation pipe and the inner wall of the circular top surface; the liquid circulation pipe is sleeved with a circular sleeve, the circular sleeve is connected to the annular platform, the circular sleeve and the annular side wall are located on two sides of the annular platform respectively, the diameter of the circular sleeve is larger than that of the liquid circulation pipe, internal threads are arranged in the circular sleeve, and the bottom of the liquid circulation pipe extends out of the circular sleeve.

6. The rubber plug assembling base for assembling a rubber plug for a needleless connector according to claim 5, wherein the annular side wall outer ring is provided with knurling.

7. The rubber plug assembling base for assembling the rubber plug for the needleless connector according to claim 6, wherein the top surface of the round sleeve is provided with two V-shaped grooves which are arranged at equal intervals along the circumferential direction of the round sleeve.

8. A needleless connector formed by combining the needleless connector rubber plug of any claim 1 to 4 and the rubber plug assembling base of any claim 5 to 7 comprises a rubber plug body and a base body, and is characterized in that the diameter of the small disc is slightly larger than that of the round sleeve, the diameter of the large disc is larger than that of the round sleeve and smaller than that of the annular side wall, the rubber plug body is plugged into the round sleeve, the small disc is hung on the top surface of the round sleeve, the top surface of the large disc is propped against the inner wall of the top surface of the round sleeve, a distance exists between the connecting plate and the inner wall of the round sleeve, and the annular folded edge of the large disc is clamped between the cylindrical cover body and the.

9. The needleless connector according to claim 8, wherein the top surface of the circular sleeve is provided with two V-shaped grooves, the V-shaped grooves are arranged at equal intervals along the circumferential direction of the circular sleeve, the small disk is hung on the top surface of the circular sleeve, the small disk forms two half disk surfaces taking one diameter of the small disk as a separation line, and the included angle between the two half disk surfaces is less than 180 degrees; the cuts are located on the parting lines.