CN209809306U - Conduit connecting seat - Google Patents

Abstract

The utility model discloses a conduit coupling seat, a be used for connecting first pipe and second pipe, conduit coupling seat includes coaxial coupling's grafting section and cup joints the section, first through-hole has been seted up on the grafting section, the second through-hole with first through-hole intercommunication has been seted up in the cup joint section, the one end of keeping away from the cup joint section in the grafting section sets up the spacing hole with first through-hole intercommunication, spacing hole forms first step face with the intercommunication department of first through-hole, the cup joint section is including coaxial coupling's a plurality of portions of cup jointing in proper order, the external diameter of a plurality of portions of cup jointing reduces in proper order to the extending direction of cup joint section by the grafting section, the junction of per two adjacent portions of cup jointing forms second step face, the one end of first pipe is inserted spacing downthehole and is held with first step face counterbalance, the one end of second pipe is established selectively and is held in one of them portion of cup jointing and is held. The utility model discloses a pipe connecting seat plays limiting displacement to the installation of pipe, and is easy to assemble, and uses adaptability wide, convenient to popularize and use.

Description

Conduit connecting seat

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a conduit coupling seat.

Background

In the medical industry, in order to meet the treatment requirements of patients such as blood transfusion, blood drawing, urination and the like, the treatment is usually realized by a catheter. For different use occasions, a plurality of conduits are connected in sequence to prolong the length of the conduits. At present, most of the catheter connecting seats are used as connecting carriers between catheters, the catheter connecting seats are mostly hollow pipes with two through ends, and when the catheter connecting seats are used, two catheters are arranged at two ends of the catheter connecting seats respectively. However, in the process of connecting the guide pipe, the connecting and matching depth of the guide pipe and the guide pipe connecting seat is not easy to control, so that the using effect is influenced. Meanwhile, the catheter connecting seats with the same specification can only be connected with catheters with the same aperture, and the use adaptability is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the problems in the prior art, the catheter connecting seat which can limit the installation of the catheter and has wide application is provided.

The utility model provides a technical scheme that its technical problem adopted is: a conduit coupling socket for connecting a first conduit and a second conduit, the conduit coupling socket comprising a plug-in section and a socket section which are coaxially connected, the inserting section is provided with a first through hole, the sleeving section is provided with a second through hole communicated with the first through hole, one end of the inserting section far away from the sleeving section is provided with a limiting hole communicated with the first through hole, the connection part of the limiting hole and the first through hole forms a first step surface, the sleeving section comprises a plurality of sleeving parts which are coaxially connected in sequence, the outer diameter size of the plurality of sleeving parts is sequentially reduced from the inserting section to the extending direction of the sleeving section, the connection part of every two adjacent sleeving parts forms a second step surface, one end of the first guide pipe is inserted into the limiting hole and is abutted against the first step surface, and one end of the second guide pipe is selectively sleeved on one of the sleeving parts and is abutted against the second step surface.

Furthermore, the first through hole is formed by the center of the inserting section along the axial direction of the inserting section, the limiting hole is formed by the center of one end, far away from the sleeving section, of the inserting section along the axial direction of the inserting section in a concave mode, and the aperture of the limiting hole is larger than that of the first through hole.

Furthermore, the second through hole is formed by the center of the sleeving section along the axial direction of the sleeving section, and the aperture size of the second through hole is the same as that of the first through hole.

Furthermore, a chamfer is formed at one end, far away from the sleeving section, of the hole wall of the limiting hole.

Furthermore, a flange is formed on the outer peripheral surface of one end, far away from the sleeving connection section, of the insertion connection section in a protruding mode along the radial direction of the insertion connection section.

Furthermore, the edge of one end, away from the inserting section, of the sleeving section is provided with a round angle.

Furthermore, a protective part is arranged on the peripheral surface of the insertion part.

Further, the plurality of sleeving parts are of an integrally formed structure.

Furthermore, the inserting section and the sleeving section are of an integrally formed structure.

Furthermore, the insertion section and the sleeving section are made of plastic.

The utility model has the advantages that: the utility model provides a pipe connecting seat can play limiting displacement to the installation of first pipe and second pipe, can effectively control the cooperation degree of depth of pipe and pipe connecting seat, has also made things convenient for user's installation simultaneously. In addition, the second conduit can be selectively sleeved outside one of the sleeved parts, so that the installation requirements of the conduits with different apertures are met, the use adaptability is wide, and the popularization and the use are convenient.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

FIG. 2 is a cross-sectional view taken along A-A of the catheter hub of FIG. 1;

fig. 3 is a schematic view of the catheter hub of fig. 2 in use.

The names and the numbers of the parts in the figure are respectively as follows:

first pipe 1 and second pipe 2 insertion section 10

First through hole 101 limiting hole 102 first step surface 103

Chamfered 104 flange 105 socket section 20

Second through hole 201 and second step surface 202 sleeve-connection part 203

Fillet 204

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1 and 3, the present invention provides a pipe connecting base for connecting a first pipe 1 and a second pipe 2, the pipe connecting base includes an inserting section 10 and a sleeving section 20, which are connected to each other, the inserting section 10 and the sleeving section 20 are coaxially disposed, when in use, the first pipe 1 is connected to the inserting section 10, and the second pipe 2 is connected to the sleeving section 20.

Referring to fig. 2 and fig. 3, the plug section 10 is substantially a tubular structure, a first through hole 101 is formed in the center of the plug section 10 along the axial direction of the plug section 10, and two ends of the first through hole 101 penetrate through two end faces of the plug section 10. A limiting hole 102 communicated with the first through hole 101 is formed in the center of one end, away from the socket section 20, of the socket section 10 along the axial direction of the socket section 10, the limiting hole 102 is circular, and the aperture of the limiting hole 102 is larger than that of the first through hole 102, so that a first step surface 103 is formed at the communication position of the limiting hole 102 and the first through hole 102.

The first conduit 1 is a hose with two through ends and is matched with the limiting hole 102. When the first guide pipe 1 is connected, one end of the first guide pipe 1 is inserted into the limiting hole 102, so that one end of the first guide pipe 1 is abutted against the first step surface 103, at the moment, the maximum matching depth of the first guide pipe 1 and the insertion section 10 is limited by the first step surface 103, and a user cannot continue to insert the first guide pipe 1 inwards, so that the connection of the first guide pipe 1 is limited. Meanwhile, the first step surface 103 is arranged, so that a user can be reminded whether the first conduit 1 is inserted in place, and the operation of the user is facilitated.

In the present embodiment, the cross-sectional shape of the stopper hole 102 is circular, and it is understood that in other embodiments not shown, the cross-sectional shape of the stopper hole 102 may be set according to the cross-sectional shape of the first guide pipe 1, for example, a triangle, a rectangle, or other polygons.

In addition, a chamfer 104 is formed at one end, far away from the sleeving section 20, of the hole wall of the limiting hole 102, and the hole diameter of one end of the limiting hole 102 is enlarged by the chamfer 104, so that a user can easily insert the first conduit 1 into the limiting hole 102, and the operation of the user is facilitated. Meanwhile, the outer peripheral surface of the end, far away from the sleeve section 20, of the plug section 10 protrudes outwards in the radial direction of the plug section 10 to form a flange 105, the wall thickness of the plug section 10 is increased by the flange 105, the strength of reduction of one end of the plug section 10 due to the chamfer 104 is compensated, and the connection strength of the plug section 10 is further improved.

Referring to fig. 2 and fig. 3 again, the socket section 20 is substantially a tubular structure, a second through hole 201 is formed in the center of the socket section 20 along the axial direction of the socket section 20, two ends of the second through hole 201 penetrate two end faces of the socket section 20, and the second through hole 201 is communicated with the first through hole 101. The socket joint section 20 includes a plurality of socket joint portions 203 that are coaxially connected in turn, and the outer diameter size of the plurality of socket joint portions 203 decreases in turn from the plug-in section 10 to the extending direction of the socket joint section 20, and a second step surface 202 is formed at the joint of every two adjacent socket joint portions 203. In addition, the second through hole 201 is the same as the first through hole 101 in aperture size, thereby ensuring the consistency of the through holes inside the catheter connecting seat.

The second conduit 2 is a hose with two through ends, and is selectively fitted and sleeved on one of the sleeving parts 203. Specifically, when connecting second pipe 2, can select to cup joint portion 203 with this second pipe 2 matched with external diameter according to the internal diameter size of second pipe 2 and cup joint, and then can satisfy the installation needs of the pipe of multiple specification, use adaptability wide. When the second guide pipe 2 is connected in place, one end of the second guide pipe 2 is abutted to the second step surface 202, so that the matching depth of the second guide pipe 2 and the sleeve joint section 20 is limited, the mounting of the second guide pipe 2 is limited, and meanwhile, a user is reminded whether the second guide pipe 2 is mounted in place, and the operation of the user is facilitated.

In this embodiment, the plurality of sleeving parts 203 are integrally formed, so that the processing and the production are convenient, and the production cost can be effectively saved. In the present embodiment, the cross-sectional shape of the socket 203 is circular, and it is understood that in other embodiments not shown, the cross-sectional shape of the socket 203 may be set according to the cross-sectional shape of the second conduit 2, for example, a triangle, a rectangle, or other polygons.

In addition, the edge of the end of the sleeve joint section 20 away from the plug-in section 10 is provided with a fillet 204, and by the fillet 204, the degree of wear between the second conduit 2 and the end of the sleeve joint section 20 when bending can be reduced, and the service life of the second conduit 2 and the sleeve joint section 20 can be effectively prolonged.

In this embodiment, the inserting section 10 and the sleeving section 20 are integrally formed, and are easy to process into a product, and the inserting section 10 and the sleeving section 20 are made of plastic, so that the plastic has light weight, good processing characteristics, high specific strength and low price, and the production cost can be effectively controlled.

In addition, be provided with anti-skidding portion (not shown in the figure) on the outer peripheral face of grafting section 10, when connecting first pipe 1 and second pipe 2, the user need hold between the fingers grafting section 10 and connect the operation, through setting up anti-skidding portion can increase with the frictional force of hand, has avoided skidding, has improved user's connection efficiency. It is understood that the non-slip portion includes, but is not limited to, a protrusion, a groove, a knurl, or the like.

The utility model provides a pipe connecting seat can play limiting displacement to the installation of first pipe 1 and second pipe 2, can the cooperation degree of depth of effective control pipe and pipe connecting seat, has also made things convenient for user's installation simultaneously. In addition, the second conduit 2 can be selectively sleeved outside one of the sleeving parts 203, so that the installation requirements of the conduits with different apertures are met, and the device is wide in application and convenient to popularize and use.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A conduit coupling socket for coupling a first conduit and a second conduit, comprising: the catheter connecting seat comprises an inserting section and a sleeving section which are coaxially connected, a first through hole is arranged on the inserting section, a second through hole communicated with the first through hole is arranged on the sleeving connection section, a limiting hole communicated with the first through hole is arranged at one end of the inserting connection section far away from the sleeving connection section, the connection part of the limiting hole and the first through hole forms a first step surface, the sleeving section comprises a plurality of sleeving parts which are coaxially connected in sequence, the outer diameter size of the plurality of sleeving parts is sequentially reduced from the inserting section to the extending direction of the sleeving section, the connection part of every two adjacent sleeving parts forms a second step surface, one end of the first guide pipe is inserted into the limiting hole and is abutted against the first step surface, and one end of the second guide pipe is selectively sleeved on one of the sleeving parts and is abutted against the second step surface.

2. The catheter hub of claim 1, wherein: the first through hole is formed by the center of the inserting section along the axial direction of the inserting section, the limiting hole is formed by the center of one end, far away from the sleeving section, of the inserting section along the axial direction of the inserting section in a concave mode, and the aperture of the limiting hole is larger than that of the first through hole.

3. The catheter hub of claim 2, wherein: the second through hole is formed by the axial opening of the sleeve joint section along the center of the sleeve joint section, and the aperture size of the second through hole is the same as that of the first through hole.

4. The catheter hub of claim 1, wherein: and a chamfer is formed at one end of the hole wall of the limiting hole, which is far away from the sleeving section.

5. The catheter hub of claim 4, wherein: the outer peripheral surface of one end of the inserting section, which is far away from the sleeving section, protrudes outwards along the radial direction of the inserting section to form a flange.

6. The catheter hub of claim 1, wherein: the edge of the end, far away from the inserting section, of the sleeving section is provided with a round angle.

7. The catheter hub of claim 1, wherein: and a protective part is arranged on the outer peripheral surface of the insertion section.

8. The catheter hub of claim 1, wherein: the plurality of sleeving parts are of an integrally formed structure.

9. The catheter hub of claim 1, wherein: the inserting section and the sleeving section are of an integrally formed structure.

10. The catheter hub of claim 1, wherein: the inserting section and the sleeving section are made of plastic.