CN212038456U - Joint and medical infusion device - Google Patents
Joint and medical infusion device Download PDFInfo
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- CN212038456U CN212038456U CN202020099926.1U CN202020099926U CN212038456U CN 212038456 U CN212038456 U CN 212038456U CN 202020099926 U CN202020099926 U CN 202020099926U CN 212038456 U CN212038456 U CN 212038456U
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- butt joint
- joint section
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- connecting pipe
- butt
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Abstract
The utility model discloses a joint and medical infusion set. The joint comprises a main body, a connecting pipe and a sealing ring; the main body comprises a first butt joint section and a second butt joint section, the first butt joint section is provided with an inner cavity penetrating through two ends of the first butt joint section, the overall size of the second butt joint section is smaller than that of the first butt joint section, the second butt joint section is convexly arranged at one end of the first butt joint section, and the inner cavity of the second butt joint section is communicated with the inner cavity of the first butt joint section; one end of the connecting pipe is inserted into the first butt joint section and can rotate relative to the first butt joint section, and the connecting pipe is communicated with the inner cavity of the second butt joint section; the sealing ring is clamped between the connecting pipe and the first butt joint section. The utility model discloses the first butt joint section of the relative main part of connecting pipe rotates among the technical scheme, and when making the main part that makes this joint twist soon with another joint and be being connected, the connecting pipe reaches the transfer line of being connected with the connecting pipe and can not rotate, avoids the transfer line spiral to twist reverse to avoid the transfer line to drive the main part again and appear anti-pine phenomenon when restoring deformation.
Description
Technical Field
The utility model relates to the technical field of medical treatment, in particular to a joint and medical infusion device applying the joint.
Background
The joint of infusion usefulness includes the connecting pipe that main part and main part are connected, the connecting pipe is used for directly linking to each other with the transfer line, but the main part in traditional infusion is with the joint and the unable relative rotation of connecting pipe, thereby can drive the connecting pipe and take place the wrench movement with the transfer line that the connecting pipe is connected when the main part that connects passes through threaded connection with another joint, treat this joint and another joint assembly completion back, reverse drive this joint reversal again when the transfer line resumes deformation, and then make this joint and another connect between be connected and take place the anti-pine phenomenon, thereby lead to the phenomenon of weeping to appear easily.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide a joint, which aims to improve the problem that the main body of the joint and the connecting pipe cannot rotate relatively.
In order to achieve the above purpose, the utility model provides a joint, which comprises a main body, a connecting pipe and a sealing ring; the main body comprises a first butt joint section and a second butt joint section, the first butt joint section is provided with an inner cavity penetrating through two ends of the first butt joint section, the overall dimension of the second butt joint section is smaller than that of the first butt joint section, the second butt joint section is convexly arranged at one end of the first butt joint section, and the inner cavity of the second butt joint section is communicated with the inner cavity of the first butt joint section; an external thread is arranged at one end, far away from the first butt joint section, of the second butt joint section; one end of the connecting pipe is inserted into the first butt joint section and can rotate relative to the first butt joint section, and the connecting pipe is communicated with the inner cavity of the second butt joint section; the sealing ring is clamped between the connecting pipe and the first butt joint section.
Optionally, the first butt joint section is far away from the port inner wall of the second butt joint section and is convexly provided with a limiting part, the outer wall of the connecting pipe is convexly provided with a clamping ring, and the clamping ring is clamped with the limiting part.
Optionally, the inner wall of the first butt joint section is further convexly provided with a first limiting step opposite to the limiting part, a clamping groove matched with the clamping ring is formed between the first limiting step and the limiting part, and the clamping ring is clamped into the clamping groove.
Optionally, a side of the snap ring facing the second butt-joint section is provided with a guide slope.
Optionally, the connecting pipe includes joint portion and connection the installation department of joint portion, the snap ring is protruding to be located outside the joint portion, the installation department connect in joint portion orientation the one end of second butt joint section, the sealing washer cover is located outside the installation department, and support and hold the inner wall of first butt joint section.
Optionally, the outer wall of the installation part is provided with an installation groove, and the sealing ring is installed outside the installation groove.
Optionally, a second limiting step is further convexly arranged on the inner wall of the first butt joint section, and the connecting pipe is inserted into the end face of the first butt joint section and abuts against the second limiting step.
Optionally, an anti-slip rib is convexly arranged on the outer wall of the first butt joint section, and the length direction of the anti-slip rib extends along the axial direction of the first butt joint section.
Optionally, a joint of the first butt-joint section and the second butt-joint section is provided with a reinforcing rib.
The utility model also provides a medical transfusion device, which comprises a joint, wherein the joint comprises a main body, a connecting pipe and a sealing ring; the main body comprises a first butt joint section and a second butt joint section, the first butt joint section is provided with an inner cavity penetrating through two ends of the first butt joint section, the outer diameter of the second butt joint section is smaller than that of the first butt joint section and is convexly arranged at one end of the first butt joint section, and the inner cavity of the second butt joint section is communicated with the inner cavity of the first butt joint section; an external thread is arranged at one end, far away from the first butt joint section, of the second butt joint section; one end of the connecting pipe is inserted into the first butt joint section and can rotate relative to the first butt joint section, and the connecting pipe is communicated with the inner cavity of the second butt joint section; the sealing ring is clamped between the connecting pipe and the first butt joint section.
The utility model adopts the technical proposal that the overall dimension of the second butt joint section is smaller than that of the first butt joint section, and the second butt joint section is convexly arranged at one end of the first butt joint section, so that a user can conveniently hold the first butt joint section to realize the connection effect of the second butt joint section and another joint; it will also be appreciated that a step is formed between the first docking section and the second docking section, which step defines the length of the connection of the second docking section to other connectors or to other tubes and makes it clear to the user whether the second docking section is docked in place when it is docked to other connectors or to other tubes. One end of the connecting pipe is inserted into the first butt joint section and is communicated with the inner cavity of the second butt joint section, and meanwhile, the inner cavity of the first butt joint section is also communicated with the inner cavity of the second butt joint section, so that liquid entering from the connecting pipe can flow out through the second butt joint section. The connecting pipe can rotate relative to the first butt joint section, so that when the main body of the joint is screwed with the other joint to be connected, the connecting pipe and the infusion tube connected with the connecting pipe can not rotate, the spiral torsion of the infusion tube is avoided, the situation that the infusion tube drives the main body to rotate reversely when being deformed is recovered to cause the anti-loosening phenomenon between the joint and the other joint is avoided, and the liquid leakage phenomenon is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of the joint of the present invention;
fig. 2 is a half sectional view of an embodiment of the joint of the present invention;
FIG. 3 is a schematic structural view of the main body of the joint of the present invention;
fig. 4 is a schematic structural diagram of a connecting pipe of the joint of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | First butt |
| 111 | Limiting |
112 | |
| 113 | |
114 | |
| 120 | Second butt |
121 | |
| 130 | Reinforcing |
200 | Connecting |
| 210 | Clamping |
220 | |
| 221 | |
230 | |
| 231 | |
300 | Sealing ring |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a joint.
In the embodiment of the present invention, please refer to fig. 1 and fig. 2 in combination, the joint includes a main body 100, a connecting pipe 200 and a sealing ring 300; the main body 100 comprises a first butt joint section 110 and a second butt joint section 120, wherein the first butt joint section 110 is provided with an inner cavity penetrating through two ends of the first butt joint section 110, the overall dimension of the second butt joint section 120 is smaller than that of the first butt joint section 110, the second butt joint section 120 is convexly arranged at one end of the first butt joint section 110, and the inner cavity of the second butt joint section 120 is communicated with the inner cavity of the first butt joint section 110; an external thread 121 is arranged at one end of the second butt joint section 120 away from the first butt joint section 110; one end of the connection tube 200 is inserted into the first docking section 110 and can rotate relative to the first docking section 110, and the connection tube 200 is communicated with the inner cavity of the second docking section 120; the sealing ring 300 is interposed between the connection pipe 200 and the first docking section 110.
The utility model discloses the first butt joint section 110 of the main part 100 of joint is connected with connecting pipe 200 among the technical scheme, and the second butt joint section 120 of main part 100 is used for being connected with another articulate, the utility model discloses the structure of the second butt joint section 120 of joint can be for luer inner cone locking joint structure among the technical scheme, then can include luer outer cone locking joint structure with this another joint that connects the butt joint to luer inner cone locking joint structure can be connected in order to realize the locking effect of the two with luer outer cone locking joint structure. This second docking section 120 that forms by luer inner cone locking joint structure, its one end of keeping away from first docking section 110 is equipped with external screw thread 121, can understand, with the utility model discloses another joint of joint butt joint among the technical scheme, its luer outer cone locking joint structure is equipped with the internal thread to external screw thread 121 through connecting in this scheme further realizes the locking connection effect that two connect with the internal thread of another joint closure soon.
By making the overall dimension of the second docking section 120 smaller than the overall dimension of the first docking section 110 and making the second docking section 120 protrude from one end of the first docking section 110, the user can conveniently hold the first docking section 110 to achieve the effect of connecting the second docking section 120 with another connector; in addition, the arrangement enables a step to be formed between the first docking section 110 and the second docking section 120, so that the connection length of the second docking section 120 and other connectors or other liquid tubes can be limited, a user can have a better docking experience when the second docking section 120 is docked with other connectors or other liquid tubes, and can clearly know whether the second docking section is docked in place. It should be noted that, the overall dimension of the first butt joint section 110 in the technical solution of the present invention is the projected area dimension of the first butt joint section 110 in the plane perpendicular to the axial direction thereof; the outer dimension of the second butt-joint section 120 refers to the area of the second butt-joint section 120 projected in a plane perpendicular to the axial direction thereof.
By placing the lumen of the second docking section 120 in communication with the lumen of the first docking section 110 and placing the connecting tube 200 in communication with the lumen of the second docking section 120, fluid can be allowed to flow in and out of the second docking section 120 through the connecting tube 200. The one end of connecting pipe 200 is inserted in first butt joint section 110 and can rotate relative first butt joint section 110, and then makes the utility model discloses second butt joint section 120 and another joint of the joint among the technical scheme are twisted soon and are being connected so that main part 100 rotates, and connecting pipe 200 can not rotate to avoid connecting pipe 200 to drive the transfer line spiral and twist reverse, and then avoid the utility model discloses reverse spiral loosens under the effect of transfer line after the joint among the technical scheme and another joint assembly, thereby avoids the utility model discloses the phenomenon of weeping appears because of being connected insecurely in joint among the technical scheme and another joint department. Further, by clamping the sealing ring 300 between the connecting pipe 200 and the first butt joint section 110, the sealing ring 300 can seal the connecting pipe 200 and the first butt joint section 110, thereby preventing liquid from leaking from a gap between the connecting pipe 200 and the first butt joint section 110, and further ensuring a better sealing effect of the joint.
It can be understood that, in order to achieve the effect that the connection pipe 200 can rotate relative to the first docking section 110, at least the portion of the connection pipe 200 inserted into the first docking section 110 has a cylindrical shape, and the inner cavity of the first docking section 110 has a shape matched with the cylindrical shape. Specifically, the other end of the connection tube 200 may protrude out of the first docking section 110, thereby facilitating the user's operation of connecting the infusion tube to the connection tube 200. Specifically, the sealing ring 300 may be sleeved outside the connection pipe 200 and abut against the inner wall of the first docking section 110; or, a butting table is convexly arranged on the inner wall of the first butting section 110, a sealing ring 300 is arranged on the end face of the connecting pipe 200 extending into the first butting section 110, and the sealing ring 300 is clamped between the end face of the connecting pipe 200 extending into the first butting section 110 and the butting table.
The technical scheme of the utility model is that the overall dimension of the second butt joint section 120 is smaller than the overall dimension of the first butt joint section 110 and is convexly arranged at one end of the first butt joint section 110, so that the user can conveniently grip the first butt joint section 110 of the joint in the technical scheme of the utility model to realize the connection effect of the second butt joint section 120 and another joint; it will also be appreciated that the first docking section 110 and the second docking section 120 form a step therebetween, which may define the length of the connection of the second docking section 120 with other connectors or with other access tubes, and may make it clear to the user whether the second docking section 120 is docked in place when docked with other connectors or with other access tubes. One end of the connection tube 200 is inserted into the first docking portion 110 and is communicated with the inner cavity of the second docking portion 120, and the inner cavity of the first docking portion 110 is also communicated with the inner cavity of the second docking portion 120, so that the liquid entering from the connection tube 200 can flow out through the second docking portion 120. The connecting tube 200 can rotate relative to the first butt-joint section 110, so that when the main body 100 of the joint is screwed with another joint for connection, the connecting tube 200 and the infusion tube connected with the connecting tube 200 can not rotate, thereby avoiding spiral torsion of the infusion tube, and avoiding the phenomenon that the infusion tube drives the main body 100 to reversely rotate when being deformed again to cause reverse loosening between the joint and the other joint, thereby avoiding liquid leakage.
Further, as shown in fig. 2, a limiting portion 111 is convexly disposed on an inner wall of a port of the first docking section 110, which is far away from the second docking section 120, a clamping ring 220 is convexly disposed on an outer wall of the connecting pipe 200, and the clamping ring 220 is clamped with the limiting portion 111.
The limiting part 111 is convexly arranged on the inner wall of the port of the first butt joint section 110 far away from the second butt joint section 120, and the clamping ring 220 of the connecting pipe 200 is clamped with the limiting part 111, so that the connecting pipe 200 is stably connected with the first butt joint section 110, and the connecting pipe 200 is prevented from being easily separated from the first butt joint section 110.
Further, as shown in fig. 2, a first limiting step 112 opposite to the limiting portion 111 is further convexly disposed on an inner wall of the first butting section 110, a clamping groove adapted to the clamping ring 220 is formed between the first limiting step 112 and the limiting portion 111, and the clamping ring 220 is clamped in the clamping groove.
Through still protruding first spacing step 112 of establishing at the inner wall of first butt joint section 110, form the draw-in groove that supplies snap ring 220 card to go into between first spacing step 112 and spacing portion 111, then first spacing step 112 and spacing portion 111 can carry on spacingly to the relative both sides of first butt joint section 110 respectively to further make the connection of connecting pipe 200 and first butt joint section 110 comparatively stable.
Specifically, a first limit step 112 may be formed by protruding an annular body on the inner wall of the first butt-joint section 110; or the inner cavity of the first docking section 110 may be divided into a first pore passage and a second pore passage, the first pore passage is disposed on one side of the second pore passage far from the second docking section 120, and the pore diameter of the first pore passage is set to be larger than that of the second pore passage, so that the first limiting step 112 is formed at the joint of the first pore passage and the second pore passage.
Further, referring to fig. 2 and 4, a guiding inclined surface 221 is disposed on a side of the snap ring 220 facing the second docking section 120. So configured, insertion of the snap ring 220 into the first docking segment 110 is facilitated.
Further, referring to fig. 2 and fig. 4, the connection tube 200 includes a clamping portion 210 and a mounting portion 230 connected to the clamping portion 210, the snap ring 220 is protruded out of the clamping portion 210, the mounting portion 230 is connected to one end of the clamping portion 210 facing the second docking section 120, and the sealing ring 300 is sleeved outside the mounting portion 230 and abuts against an inner wall of the first docking section 110.
By sleeving the sealing ring 300 outside the mounting portion 230 and abutting against the inner wall of the first docking section 110, the sealing ring 300 can be firstly mounted on the mounting portion 230 and integrally inserted into the first docking section 110 along with the connection pipe 200, thereby facilitating the mounting of the sealing ring 300 between the connection pipe 200 and the first docking section 110.
Further, referring to fig. 2 and 4, an installation groove 231 is formed on an outer wall of the installation portion 230, and the sealing ring 300 is installed outside the installation groove 231.
With this configuration, the sealing ring 300 can be stably mounted outside the mounting portion 230, and the sealing ring 300 can be prevented from easily falling off from the mounting portion 230 when the connection pipe 200 is inserted into the first mating segment 110. Specifically, the outer diameter of the mounting portion 230 may be set to be smaller than the outer diameter of the clamping portion 210, so that the step formed between the clamping portion 210 and the mounting portion 230 and the outer wall of the mounting portion 230 together enclose the mounting groove 231 in this embodiment; alternatively, the mounting groove 231 in this embodiment is formed by directly recessing the outer wall of the mounting portion 230 inward.
Further, as shown in fig. 2, a second limit step 113 is further convexly provided on the inner wall of the first docking section 110, and the end surface of the connection pipe 200 inserted into the first docking section 110 abuts against the second limit step 113.
Through the above arrangement, the length of the connection pipe 200 inserted into the first docking section 110 can be limited, and the connection between the connection pipe 200 and the infusion tube can be prevented from being affected due to the overlong length of the connection pipe 200 inserted into the first docking section 110. On the other hand, the second limit step 113 has a limit effect on the connection pipe 200, so that the connection pipe 200 is prevented from sliding arbitrarily in the axial direction of the first docking section 110 under the action of an external force.
Further, referring to fig. 1 and fig. 3, an anti-slip rib 114 is protruded on an outer wall of the first docking section 110, and a length direction of the anti-slip rib 114 extends along an axial direction of the first docking section 110.
By protruding the anti-slip rib 114 on the outer wall of the first butt joint section 110 and extending the length direction of the anti-slip rib 114 along the axial direction of the first butt joint section 110, it is convenient for a user to manipulate the joint with the rib when the joint with the anti-slip rib 114 is screwed with another joint. Further, by protruding the anti-slip rib 114 on the outer wall of the first docking section 110, it is convenient for the user to manipulate the first docking section 110 to connect the connection tube 200 and the second docking section 120 with other liquid passing tubes or other connectors.
Certainly, the outer peripheral surface of the connecting pipe 200 in the technical solution of the present invention may be prismatic, circular or other shapes. In order to facilitate the connection of the connection tube 200 with the infusion tube, the outer circumferential surface of the connection tube 200 may preferably be prismatic.
Further, referring to fig. 1 and fig. 3, a reinforcing rib 130 is disposed at a connection position of the first butt-joint section 110 and the second butt-joint section 120.
By such arrangement, the connection strength of the connection part of the first butt joint section 110 and the second butt joint section 120 is enhanced, and further, when the second butt joint section 120 is connected with other parts, the part between the second butt joint section 120 and the first butt joint section 110 is easily bent or broken.
The utility model discloses still provide a medical infusion set, this medical infusion set is including connecting, and the concrete structure that should connect refers to above-mentioned embodiment, because this medical infusion set has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A connector for use with a medical infusion device, the connector comprising:
the main body comprises a first butt joint section and a second butt joint section, the first butt joint section is provided with an inner cavity penetrating through two ends of the first butt joint section, the overall dimension of the second butt joint section is smaller than that of the first butt joint section, the second butt joint section is convexly arranged at one end of the first butt joint section, and the inner cavity of the second butt joint section is communicated with the inner cavity of the first butt joint section; an external thread is arranged at one end, far away from the first butt joint section, of the second butt joint section;
one end of the connecting pipe is inserted into the first butt joint section and can rotate relative to the first butt joint section, and the connecting pipe is communicated with an inner cavity of the second butt joint section; and
and the sealing ring is clamped between the connecting pipe and the first butt joint section.
2. The joint of claim 1, wherein a position-limiting portion is convexly arranged on an inner wall of the port of the first butt joint section, which is far away from the second butt joint section, and a snap ring is convexly arranged on an outer wall of the connecting pipe, and the snap ring is clamped with the position-limiting portion.
3. The joint of claim 2, wherein the inner wall of the first butt joint section is further convexly provided with a first limiting step arranged opposite to the limiting part, a clamping groove matched with the clamping ring is formed between the first limiting step and the limiting part, and the clamping ring is clamped in the clamping groove.
4. A coupling as defined in claim 2, wherein said snap ring is provided with a guide ramp on a side thereof facing said second butt section.
5. The joint of claim 2, wherein the connecting pipe comprises a clamping portion and an installation portion connected with the clamping portion, the clamping ring is convexly arranged outside the clamping portion, the installation portion is connected to one end, facing the second butt joint section, of the clamping portion, and the sealing ring is sleeved outside the installation portion and abuts against the inner wall of the first butt joint section.
6. The joint of claim 5, wherein the outer wall of the mounting portion defines a mounting groove, and the sealing ring is mounted outside the mounting groove.
7. The joint of claim 5, wherein the inner wall of the first butt joint section is further provided with a second limit step in a protruding manner, and the end face of the connecting pipe inserted into the first butt joint section abuts against the second limit step.
8. The joint according to any one of claims 1 to 7, wherein the outer wall of the first butt section is provided with an anti-slip bead, and the length direction of the anti-slip bead extends in the axial direction of the first butt section.
9. A joint according to any one of claims 1 to 7, wherein the junction of the first butt section and the second butt section is provided with reinforcing ribs.
10. A medical infusion device comprising a connector as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099926.1U CN212038456U (en) | 2020-01-16 | 2020-01-16 | Joint and medical infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099926.1U CN212038456U (en) | 2020-01-16 | 2020-01-16 | Joint and medical infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212038456U true CN212038456U (en) | 2020-12-01 |
Family
ID=73537450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020099926.1U Active CN212038456U (en) | 2020-01-16 | 2020-01-16 | Joint and medical infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212038456U (en) |
-
2020
- 2020-01-16 CN CN202020099926.1U patent/CN212038456U/en active Active
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| GR01 | Patent grant |