CN219673619U - Catheter joint - Google Patents

Catheter joint Download PDF

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Publication number
CN219673619U
CN219673619U CN202321084914.1U CN202321084914U CN219673619U CN 219673619 U CN219673619 U CN 219673619U CN 202321084914 U CN202321084914 U CN 202321084914U CN 219673619 U CN219673619 U CN 219673619U
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China
Prior art keywords
thread cylinder
joint
internal thread
external thread
fixedly connected
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CN202321084914.1U
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Chinese (zh)
Inventor
陈强
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Shanghai Yaojia Medical Technology Co ltd
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Shanghai Yaojia Medical Technology Co ltd
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Priority to CN202321084914.1U priority Critical patent/CN219673619U/en
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Abstract

The utility model belongs to the technical field of joints, in particular to a liquid guide tube joint, which comprises a joint I, a joint II arranged on one side of the joint I, and an extension assembly arranged between the joint I and the joint II, wherein the extension assembly comprises an external thread cylinder I fixedly connected to the surface of the joint I, a corrugated tube arranged on the right side of the external thread cylinder I, and internal thread cylinders I symmetrically and fixedly connected to two ends of the corrugated tube, one of the internal thread cylinders I is sleeved on the surface of the external thread cylinder I, and the internal thread cylinder I is in threaded connection with the external thread cylinder I; the device is beneficial to adjusting the distance between the first joint and the second joint according to the distance between the two liquid guide pipes or the liquid guide pipes and the device, is convenient to connect, is beneficial to filtering the conveyed liquid, and avoids the impurity in the liquid from blocking the corrugated pipe.

Description

Catheter joint
Technical Field
The utility model belongs to the technical field of connectors, and particularly relates to a catheter connector.
Background
In the medical and pharmaceutical manufacturing process, various fluids (such as high purity medical fluids, high purity chemicals, etc.) are required, and these fluids are typically delivered through catheters in machine equipment, and catheter-to-catheter connections and catheter-to-equipment connections are typically used;
the examined publication (bulletin) number CN215351557U discloses a catheter connection multifunctional joint, the design discloses "comprising a catheter connection end and an interface end, the catheter connection end is used for connecting a catheter, and a first lumen is arranged in the catheter connection end; the interface end is internally provided with a second lumen communicated with the first lumen, the interface end comprises a first interface and a second interface, and the second lumen is positioned at the inner side of the first interface and the like, so that the technical effects of realizing communication between a catheter and connecting pipes on different types of medical instruments and the like are achieved;
however, when the connector is used, as the length of the connector is fixed, when two catheters or the distance between the catheters and the equipment is long, the connector cannot be connected, and the catheters are usually required to be lengthened, so that the connector is troublesome to operate;
for this purpose, a catheter connection is designed to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a catheter joint, which has the characteristics that the distance between a first joint and a second joint can be adjusted according to the distance between two catheters or between the catheters and equipment, and the connection is convenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a catheter connector comprising a first connector, a second connector mounted on one side of the first connector, and an extension assembly disposed between the first connector and the second connector;
the extension assembly comprises an external thread cylinder I fixedly connected to one surface of the connector, a corrugated pipe arranged on the right side of the external thread cylinder I, and an internal thread cylinder I symmetrically and fixedly connected to two ends of the corrugated pipe, wherein one internal thread cylinder I is sleeved on one surface of the external thread cylinder, and the internal thread cylinder I is in threaded connection with the external thread cylinder I.
As a preferred mode of the catheter joint, the surfaces of the first inner thread cylinder are respectively sleeved with a hexagonal fixing plate, the hexagonal fixing plates are fixedly connected with the first inner thread cylinder, the surface of one hexagonal fixing plate is fixedly connected with a rectangular outer cylinder, the surface of the other hexagonal fixing plate is fixedly connected with a moving rod, the moving rod is inserted into the rectangular outer cylinder, and the moving rod is in sliding connection with the rectangular outer cylinder.
As the catheter joint is preferable, two limiting sliding grooves are symmetrically formed in the inner wall surface of the rectangular outer barrel, two limiting sliding blocks are symmetrically and fixedly connected to the surface of the moving rod, the limiting sliding blocks are inserted into the limiting sliding grooves, and the limiting sliding blocks are in sliding connection with the rectangular outer barrel.
Preferably, the catheter joint of the utility model further comprises a filter assembly arranged between the corrugated pipe and the joint II;
the filter assembly comprises a filter box arranged between the corrugated pipe and the second connector and an external thread cylinder II symmetrically and fixedly connected to the surface of the filter box, a filter plate is inserted into the filter box, the filter plate is fixedly connected with the filter box, one of the filter plate and the external thread cylinder II is inserted into the internal thread cylinder I, the external thread cylinder II is in threaded connection with the internal thread cylinder I, one surface of the second connector, which is close to the filter box, is fixedly connected with the internal thread cylinder II, and the other external thread cylinder II is inserted into the internal thread cylinder II, and the external thread cylinder II is in threaded connection with the internal thread cylinder II.
Compared with the prior art, the utility model has the beneficial effects that: the utility model is added with the extension component, which is beneficial to adjusting the distance between the first joint and the second joint according to the distance between the two liquid guide pipes or the liquid guide pipes and the equipment, and is convenient to connect, and meanwhile, the utility model is added with the filtering component, which is beneficial to filtering the conveyed liquid and avoiding the impurity in the liquid from blocking the corrugated pipe.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the disassembled structure of the present utility model;
FIG. 3 is a view showing a connection structure of a hexagonal fixing plate and a rectangular outer cylinder in the present utility model;
FIG. 4 is a view showing a connection structure of the rectangular outer cylinder and the movable rod in the present utility model;
FIG. 5 is a diagram showing the construction of the connection between a filter cassette and a filter plate according to the present utility model;
in the figure:
1. a first joint; 2. a second joint;
3. an extension assembly; 31. a bellows; 32. an internal thread cylinder I; 33. a hexagonal fixing plate; 34. a rectangular outer cylinder; 35. limiting sliding grooves; 36. a moving rod; 37. a limit sliding block; 38. an external thread cylinder I;
4. a filter assembly; 41. a filter box; 42. an external thread cylinder II; 43. a filter plate; 44. and an internal thread cylinder II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5;
a catheter connector comprises a connector 1 and a connector 2 arranged on one side of the connector 1.
In this embodiment: the prior device publication (bulletin) number CN215351557U, which discloses a catheter connection multifunctional joint, discloses a catheter joint proposed in the present document, and the joint 1 and the joint 2 in the present document adopt the same means in the prior art, which are not described in detail herein, and the present utility model is further improved with respect to the prior catheter joint, and the details refer to the following disclosure technology; to solve the technical problem in the prior art, as disclosed in the background art above, since the length between two joints is fixed when the two catheters or the distance between the catheters and the device is long, the joints cannot be connected, the catheters are often required to be lengthened, the operation is troublesome, and the problem is obviously a real problem and is difficult to solve when being combined with the use, therefore, to solve the technical problem, the extension component 3 and the filtering component 4 are added to the document of the utility model.
Further, the method comprises the following steps:
in combination with the above: the extension assembly 3 comprises an external thread cylinder I38 fixedly connected to the surface of the joint I1, a corrugated pipe 31 arranged on the right side of the external thread cylinder I38 and internal thread cylinders I32 symmetrically and fixedly connected to two ends of the corrugated pipe 31, wherein one internal thread cylinder I32 is sleeved on the surface of the external thread cylinder I38, and the internal thread cylinder I32 is in threaded connection with the external thread cylinder I38.
In this embodiment: when the joint is used for connecting two liquid guide pipes, the corrugated pipe 31 is firstly fixed on the surface of the joint 1 through the matching of the internal thread cylinder I32 and the external thread cylinder I38, the proper joint 1 or the joint II 2 is selected according to the types of the liquid guide pipes, then the joint 1 is connected with one liquid guide pipe, then a user adjusts the length of the corrugated pipe 31 according to the distance between the two liquid guide pipes, so that the joint II 2 is connected with the interface of the other liquid guide pipe, the connection of the two liquid guide pipes is realized, and after the use is finished, the corrugated pipe 31 can be detached, and the replacement and the cleaning are convenient.
It should be noted that: the external surface of the first external thread cylinder 38 is provided with a first connecting thread, the inner wall surface of the first internal thread cylinder 32 is provided with a second connecting thread matched with the first connecting thread, and the corrugated pipe 31 is made of hose materials and can stretch and retract.
In an alternative embodiment, the surfaces of the two inner thread cylinders 32 are respectively sleeved with a hexagonal fixing plate 33, the hexagonal fixing plates 33 are fixedly connected with the inner thread cylinders 32, the surface of one hexagonal fixing plate 33 is fixedly connected with a rectangular outer cylinder 34, the surface of the other hexagonal fixing plate 33 is fixedly connected with a moving rod 36, the moving rod 36 is inserted into the rectangular outer cylinder 34, and the moving rod 36 is in sliding connection with the rectangular outer cylinder 34.
In this embodiment: when the corrugated pipe 31 is used, the hexagonal fixing plates 33 on two sides are pulled to enable the two hexagonal fixing plates 33 to be close to or far away from each other, so that the distance between the two hexagonal fixing plates 33 can be adjusted, the corrugated pipe 31 can be driven to stretch out and draw back, the moving rod 36 moves in the rectangular outer cylinder 34 in the stretching process, the stretching length of the corrugated pipe 31 can be limited, and a certain protection effect can be achieved on the corrugated pipe 31.
It should be noted that: the six moving rods 36 and the rectangular outer tube 34 are respectively fixed between the two hexagonal fixing plates 33 in a circular array, so that the bellows 31 can be enclosed in the space formed by the six moving rods 36 and the rectangular outer tube 34, and the bellows 31 can be protected.
In an alternative embodiment, two limiting sliding grooves 35 are symmetrically formed in the inner wall surface of the rectangular outer cylinder 34, two limiting sliding blocks 37 are symmetrically and fixedly connected to the surface of the moving rod 36, the limiting sliding blocks 37 are inserted into the limiting sliding grooves 35, and the limiting sliding blocks 37 are in sliding connection with the rectangular outer cylinder 34.
In this embodiment: the movement track of the moving rod 36 in the rectangular outer cylinder 34 can be limited by the limiting slide block 37 and the limiting slide groove 35, so that the moving rod 36 is prevented from moving out of the rectangular outer cylinder 34.
In an alternative embodiment, the filter assembly 4 is further comprised between the bellows 31 and the second joint 2;
the filter assembly 4 comprises a filter box 41 arranged between the corrugated pipe 31 and the joint II 2 and an external thread cylinder II 42 symmetrically and fixedly connected to the surface of the filter box 41, wherein a filter plate 43 is inserted in the filter box 41, the filter plate 43 is fixedly connected with the filter box 41, one external thread cylinder II 42 is inserted in the internal thread cylinder I32, the external thread cylinder II 42 is in threaded connection with the internal thread cylinder I32, one surface of the joint II 2, which is close to the filter box 41, is fixedly connected with an internal thread cylinder II 44, the other external thread cylinder II 42 is inserted in the internal thread cylinder II 44, and the external thread cylinder II 42 is in threaded connection with the internal thread cylinder II 44.
In this embodiment: when the filter box 41 is used, the filter box 41 is connected with the second internal thread cylinder 44 and the first internal thread cylinder 32 through the second external thread cylinder 42, and when the filter box is used, the conveyed liquid is conveyed into the filter box 41 and is filtered through the filter plate 43 in the filter box 41, impurities in the liquid can be filtered, the impurities are prevented from entering the corrugated pipe 31, the blocking probability of the corrugated pipe 31 is reduced, and when the filtering effect of the filter plate 43 is poor, the filter box 41 can be detached for replacement.
Working principle: when the connector is used for connecting two liquid guide pipes, the corrugated pipe 31 is firstly fixed on the surface of the connector 1 through the matching of the first internal thread cylinder 32 and the first external thread cylinder 38, then the filter box 41 is respectively connected with the second internal thread cylinder 44 and the first internal thread cylinder 32 through the second external thread cylinder 42, the proper connector 1 or the second connector 2 is selected according to the types of the liquid guide pipes during connection, then the connector 1 is connected with one liquid guide pipe, then a user can adjust the length of the corrugated pipe 31 according to the distance between the two liquid guide pipes, during adjustment, the two hexagonal fixing plates 33 are pulled to enable the two hexagonal fixing plates 33 to be close to or far away from each other, so that the distance between the two hexagonal fixing plates 33 can be adjusted, the corrugated pipe 31 can be driven to stretch out and draw back, the moving rod 36 moves in the rectangular outer cylinder 34 in the stretch-out process, the corrugated pipe 31 can also play a certain protection role, the connector 2 can be connected with the other liquid guide pipe according to the distance between the two liquid guide pipes during adjustment, the filter box can be removed from the filter box 31 after the filter box is replaced, the filter box 41 can be removed after the filter box is replaced, and the filter box can be removed by the filter box 43 can be removed, and the filter box can be replaced when the filter box is replaced, and the filter box can be removed, and the filter box 41 can be replaced, and the filter box can be removed, and the filter box can be replaced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. A catheter connector comprising a first connector (1) and a second connector (2) arranged on one side of the first connector (1), which is characterized in that: the extension assembly (3) is arranged between the first joint (1) and the second joint (2);
the extension assembly (3) comprises an external thread cylinder I (38) fixedly connected to the surface of the joint I (1), a corrugated pipe (31) arranged on the right side of the external thread cylinder I (38) and internal thread cylinders I (32) symmetrically and fixedly connected to two ends of the corrugated pipe (31), wherein one internal thread cylinder I (32) is sleeved on the surface of the external thread cylinder I (38), and the internal thread cylinder I (32) is in threaded connection with the external thread cylinder I (38).
2. The catheter hub of claim 1, wherein: the surface of two internal thread section of thick bamboo one (32) is all overlapped and is equipped with hexagon fixed plate (33), hexagon fixed plate (33) with internal thread section of thick bamboo one (32) fixed connection, one of them hexagon fixed plate's (33) fixed surface is connected with rectangle urceolus (34), and another hexagon fixed plate's (33) fixed surface is connected with movable rod (36), movable rod (36) are inserted establish in rectangle urceolus (34), movable rod (36) with rectangle urceolus (34) sliding connection.
3. The catheter hub of claim 2, wherein: two limit sliding grooves (35) are symmetrically formed in the inner wall surface of the rectangular outer barrel (34), two limit sliding blocks (37) are symmetrically and fixedly connected to the surface of the moving rod (36), the limit sliding blocks (37) are inserted into the limit sliding grooves (35), and the limit sliding blocks (37) are in sliding connection with the rectangular outer barrel (34).
4. The catheter hub of claim 3, wherein: the filter assembly (4) is arranged between the corrugated pipe (31) and the joint II (2);
the filter assembly (4) comprises a filter box (41) arranged between the corrugated pipe (31) and the joint II (2) and an external thread cylinder II (42) symmetrically and fixedly connected to the surface of the filter box (41), a filter plate (43) is inserted into the filter box (41), the filter plate (43) is fixedly connected with the filter box (41), one of the external thread cylinder II (42) is inserted into the internal thread cylinder I (32), the external thread cylinder II (42) is in threaded connection with the internal thread cylinder I (32), one surface, close to the filter box (41), of the joint II (2) is fixedly connected with an internal thread cylinder II (44), and the other external thread cylinder II (42) is inserted into the internal thread cylinder II (44), and the external thread cylinder II (42) is in threaded connection with the internal thread cylinder II (44).
CN202321084914.1U 2023-05-08 2023-05-08 Catheter joint Active CN219673619U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321084914.1U CN219673619U (en) 2023-05-08 2023-05-08 Catheter joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321084914.1U CN219673619U (en) 2023-05-08 2023-05-08 Catheter joint

Publications (1)

Publication Number Publication Date
CN219673619U true CN219673619U (en) 2023-09-12

Family

ID=87921141

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321084914.1U Active CN219673619U (en) 2023-05-08 2023-05-08 Catheter joint

Country Status (1)

Country Link
CN (1) CN219673619U (en)

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