CN216855420U - Needleless infusion joint capable of reducing connecting pipeline distortion - Google Patents
Needleless infusion joint capable of reducing connecting pipeline distortion Download PDFInfo
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- CN216855420U CN216855420U CN202123059019.8U CN202123059019U CN216855420U CN 216855420 U CN216855420 U CN 216855420U CN 202123059019 U CN202123059019 U CN 202123059019U CN 216855420 U CN216855420 U CN 216855420U
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- liquid passing
- infusion
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Abstract
The utility model discloses a needleless infusion joint capable of reducing the distortion of a connecting pipeline, which comprises: the infusion device comprises a main seat, a first infusion channel is arranged on the inner side of the main seat, a clamping column is arranged at the tail of the main seat, and a first clamping part is arranged on the outer side wall of the clamping column; the inner side of the rotary joint is provided with a second transfusion channel, the head of the rotary joint is provided with a clamping hole, a clamping column is inserted in the clamping hole and is rotationally connected with the clamping hole, the inner side wall of the clamping hole is provided with a second clamping part, and the first clamping part and the second clamping part are axially clamped; the sealing ring, the clamping column and the clamping hole are connected with the sealing ring in an interference fit manner. The rotary joint is connected with the main seat in a rotating mode through the first clamping portion and the second clamping portion in an axial clamping mode, the rotary joint is connected with the main seat in a rotating mode, the rotary joint and the main seat can rotate relatively to adapt to an infusion pipeline when the infusion pipeline is connected in a rotating mode, accordingly, the distortion of the infusion pipeline can be reduced, the sealing ring is arranged to be kept sealed between the clamping column and the clamping hole, and liquid leakage can be avoided.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a needleless infusion connector capable of reducing the distortion of a connecting pipeline.
Background
In recent years, needle-free infusion is gradually used in clinics to replace the traditional acupuncture mode for infusion, so that the times of acupuncture on patients can be reduced, the pain of the patients caused by acupuncture can be reduced, the venous blood vessels of the patients can be protected, the medication access can be maintained, and the risk of infection of medical care personnel caused by the acupuncture can be reduced.
Most of needleless infusion connectors used at present are fixed as a whole, when the connector end of the infusion connector is connected with an infusion pipeline, the infusion pipeline needs to be rotated and screwed in, the phenomenon that the infusion pipeline is twisted, rolled up or even folded can occur after connection, when the infusion pipe body is folded to influence normal infusion, medical staff are needed to correct, the workload of the medical staff is increased, and the infusion treatment of a patient is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a needleless infusion joint capable of reducing the distortion of a connecting pipeline, and aims to solve the technical problem that an infusion pipeline is easy to distort after the needleless infusion joint in the prior art is connected with the infusion pipeline.
In order to achieve the above object, the present invention provides a needleless infusion connector capable of reducing the distortion of a connection pipeline, comprising:
the main seat is provided with a first infusion channel at the inner side, a first liquid inlet is formed in the head of the main seat, a first liquid outlet is formed in the tail of the main seat, the first liquid inlet and the first liquid outlet are both communicated with the first infusion channel, a clamping column is arranged at the tail of the main seat, the first liquid outlet is formed in the tail of the clamping column, and a first clamping portion is formed in the outer side wall of the clamping column;
the inner side of the rotary joint is provided with a second transfusion channel, the head of the rotary joint is provided with a second liquid inlet, the tail of the rotary joint is provided with a second liquid outlet, the second liquid inlet and the second liquid outlet are both communicated with the second transfusion channel, the first liquid outlet and the second liquid inlet are arranged oppositely, the head of the rotary joint is provided with a clamping hole, a clamping column is inserted into the clamping hole and is rotationally connected with the clamping hole, the inner side wall of the clamping hole is provided with a second clamping part, and the first clamping part and the second clamping part are axially clamped;
the sealing ring is sleeved on the clamping column, and the clamping column and the clamping hole are connected with the sealing ring in an interference fit manner.
The liquid medicine passes through a second infusion channel of the rotary joint from a first infusion channel of the main seat, and the rotary joint can be connected with an infusion pipeline; the clamping column of the main seat is inserted into the clamping hole of the rotary joint, the rotary joint and the main seat are axially clamped through the first clamping part and the second clamping part, and the rotary joint is rotatably connected with the main seat, so that when the infusion pipeline is rotatably connected, the rotary joint and the main seat can relatively rotate to adapt to the infusion pipeline, and the distortion of the infusion pipeline can be reduced; because rotary joint and main tributary seat need rotate, the condition of weeping can appear in the position that first liquid outlet and second liquid outlet are connected, so set up the sealing washer and keep sealed between joint post and joint hole, can avoid the weeping.
Preferably, first joint portion is first joint ring, second joint portion is the second joint ring, second joint ring joint in keeping away from of first joint ring one side of first liquid outlet. The first clamping ring is clamped with the second clamping ring to realize the clamping and the rotation of the main seat and the rotary joint.
Preferably, one side of the first clamping ring, which is close to the first liquid outlet, is provided with a first flaring conical surface, and the first flaring conical surface is used for opening the second clamping ring when the clamping column is inserted into the clamping hole.
When the joint post inserts the joint hole, the second joint ring can outwards expand along first flaring conical surface, and first joint ring inserts back second joint ring and inwards contracts, realizes the joint, and first flaring conical surface can make things convenient for first joint ring to insert.
Preferably, a second flaring conical surface is arranged on one side, far away from the first clamping ring, of the second clamping ring. When the clamping column is inserted into the clamping hole, the first flaring conical surface and the second flaring conical surface are abutted, so that the first clamping ring can be used for more easily enlarging the second clamping ring.
Preferably, the sealing ring is arranged on one side of the first clamping ring close to the first liquid outlet. The sealing washer is located one side that is close to first liquid outlet of first sealing ring, and when the joint post inserted the joint hole, first joint ring can be downthehole the joint of impressing the sealing washer, and the joint post can not deviate from to the sealing washer, makes things convenient for the installation of sealing washer like this.
Preferably, the bottom of the clamping hole is provided with a limiting groove, and the tail of the clamping column is inserted into the inner side of the limiting groove. The joint post is pegged graft and plays spacing effect in the spacing inslot, makes rotary joint can not incline the skew, the weeping appears.
Preferably, rotary joint's afterbody is equipped with liquid pipe and outer adapter sleeve, second infusion passageway is located the inboard of liquid pipe, the outer adapter sleeve is located the outside of liquid pipe, the outer adapter sleeve with be equipped with connection clearance between the liquid pipe, the inboard of outer adapter sleeve is equipped with the internal thread.
When the infusion pipeline is connected with the rotary joint, the infusion pipeline is inserted into a connecting gap between the outer connecting sleeve and the liquid passing pipe, the external thread of the infusion pipeline is in threaded connection with the internal thread of the outer connecting sleeve, and liquid medicine flows from the liquid passing pipe; the rotary joint and the main seat can rotate relatively during threaded connection, and the infusion pipeline can not be twisted.
Preferably, the outer side wall of the rotary joint is provided with an anti-slip strip. When the rotary joint is rotated, the rotary joint can be rotated by hand holding on the anti-slip strips.
Preferably, the main seat includes first lid and second lid, second lid fixed connection in the afterbody of first lid, the inboard of first lid is equipped with the first sap cavity of crossing, the first head end of crossing the sap cavity is equipped with first inlet, be equipped with the valve body on the second lid, the valve body is located the first inboard of crossing the sap cavity, the valve body just right to first inlet, be equipped with the first liquid hole of crossing on the valve body, the inboard of valve body is equipped with the second and crosses the sap cavity, the first liquid cavity of crossing passes through with the second crosses the sap cavity and passes through the first liquid hole intercommunication of crossing, first infusion passageway includes the first liquid cavity of crossing, the first liquid hole of crossing with the second crosses the sap cavity, the cover is equipped with the elastic sleeve on the valve body, the head end of elastic sleeve is equipped with the elasticity hole, the elastic sleeve can follow the valve body slides, and makes the valve body can open the elasticity hole, And the elastic sleeve can open or close the first liquid passing hole.
When the needle tube is not connected, the elastic sleeve is in an open state, the valve body does not jack the elastic hole, the elastic hole is closed, the elastic sleeve blocks the communication between the first liquid passing hole and the first liquid inlet, the internal pressure of the product is kept balanced, and liquid does not flow back; when the needle tube is connected, the needle opening is inserted into the first liquid inlet and pushes the elastic sleeve inwards, the valve body jacks the elastic hole, the top end of the elastic sleeve moves to the position of opening the first liquid passing hole, and the liquid medicine can enter the inner side of the second liquid passing cavity from the first liquid passing hole so that the liquid medicine flows from the first liquid inlet to the first liquid outlet.
Preferably, the first cover and the second cover are fixed by ultrasonic welding. The first cover body and the second cover body are welded by ultrasonic waves and are convenient to fix.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 cross-sectional view of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the drawings: 1-a main seat, 11-a first transfusion channel, 12-a first liquid inlet, 13-a first liquid outlet, 14-a clamping column, 141-a first clamping ring, 142-a first flaring conical surface, 15-a first cover body, 151-a first liquid passing cavity, 16-a second cover body, 161-a valve body, 162-a first liquid passing hole, 163-a second liquid passing cavity and 17-an elastic sleeve, 171-elastic hole, 2-rotary joint, 21-second transfusion channel, 22-second liquid inlet, 23-second liquid outlet, 24-clamping hole, 241-second clamping ring, 242-second flaring conical surface, 25-limiting groove, 26-liquid passing pipe, 27-external connecting sleeve, 271-internal thread, 29-antislip strip and 3-sealing ring.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications such as up, down, left, right, front, back, etc. are referred to in the embodiments of the present invention, the directional indications are only used for explaining the relative positional relationship, the motion situation, etc. of the components in a certain posture, and if the certain posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment 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, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in figures 1 and 2, the needleless infusion joint capable of reducing the distortion of the connecting pipeline comprises a main seat 1, a rotary joint 2 and a sealing ring 3.
The inner side of the main seat 1 is provided with a first liquid conveying channel 11, the head of the main seat 1 is provided with a first liquid inlet 12, the tail of the main seat 1 is provided with a first liquid outlet 13, the first liquid inlet 12 and the first liquid outlet 13 are both communicated with the first liquid conveying channel 11, the tail of the main seat 1 is provided with a clamping column 14, the first liquid outlet 13 is arranged at the tail end of the clamping column 14, and the outer side wall of the clamping column 14 is provided with a first clamping portion. The outer side of the head end of the main seat 1 can be provided with a joint connected with a transfusion pipeline.
The inboard of rotary joint 2 is equipped with second infusion passageway 21, the prelude of rotary joint 2 is equipped with second inlet 22, the afterbody of rotary joint 2 is equipped with second liquid outlet 23, second inlet 22 and second liquid outlet 23 all communicate with second infusion passageway 21, first liquid outlet 13 and second feed inlet are just to setting up, the prelude of rotary joint 2 is equipped with joint hole 24, joint post 14 is pegged graft in joint hole 24, joint post 14 rotates with joint hole 24 to be connected, be equipped with second joint portion on the inside wall of joint hole 24, first joint portion and second joint portion axial joint.
The sealing ring 3 is sleeved on the clamping column 14, and the clamping column 14 and the clamping hole 24 are connected with the sealing ring 3 in an interference fit manner.
The liquid medicine passes through the second transfusion channel 21 of the rotary joint 2 from the first transfusion channel 11 of the main seat 1, and the rotary joint 2 can be connected with a transfusion pipeline; the clamping column 14 of the main seat 1 is inserted into the clamping hole 24 of the rotary joint 2, the rotary joint 2 and the main seat 1 are axially clamped through a first clamping part and a second clamping part, and the rotary joint 2 is rotatably connected with the main seat 1, so that when the transfusion pipeline is rotatably connected, the rotary joint 2 and the main seat 1 can relatively rotate to adapt to the transfusion pipeline, and the distortion and deformation of the transfusion pipeline can be reduced; because rotary joint 2 and main base 1 need rotate, the condition of weeping can appear in the position that first liquid outlet 13 and second liquid outlet 23 are connected, so set up sealing washer 3 and keep sealed between joint post 14 and joint hole 24, can avoid the weeping.
In some embodiments, the first fastening portion is a first fastening ring 141, the second fastening portion is a second fastening ring 241, and the second fastening ring 241 is fastened to a side of the first fastening ring 141 away from the first liquid outlet 13. The first clamping ring 141 is clamped with the second clamping ring 241, so that the main base 1 and the rotary joint 2 are clamped and rotated.
Further, a first flaring tapered surface 142 is disposed on a side of the first clamping ring 141 close to the first liquid outlet 13, and the first flaring tapered surface 142 is used for flaring the second clamping ring 241 when the clamping column 14 is inserted into the clamping hole 24.
The side wall of the clamping hole 24 has certain elasticity, when the clamping column 14 is inserted into the clamping hole 24, the second clamping ring 241 can be outwards expanded along the first flaring conical surface 142, the second clamping ring 241 is inwards retracted after the first clamping ring 141 is inserted, clamping is realized, and the first flaring conical surface 142 can facilitate the insertion of the first clamping ring 141.
Further, a second flaring tapered surface 242 is disposed on a side of the second snap ring 241 away from the first snap ring 141. When the engagement post 14 is inserted into the engagement hole 24, the first and second flared tapered surfaces 142 and 242 abut against each other, so that the first engagement ring 141 is more easily expanded by the second engagement ring 241. In some embodiments, the second snap ring 241 is located at the head end of the rotary joint 2, and the side of the second snap ring 241 far away from the first snap ring 141 abuts against the main seat 1, so that it is not easy to
In some embodiments, the sealing ring 3 is disposed on a side of the first clamping ring 141 near the first liquid outlet 13, and the sealing ring 3 is disposed between the first clamping ring 141 and the bottom surface of the clamping hole 24.
In some embodiments, the bottom of the engaging hole 24 is provided with a limiting groove 25, and the tail of the engaging post 14 is inserted into the limiting groove 25. The clamping columns 14 are inserted into the limiting grooves 25 to play a limiting role, so that the rotary joint 2 cannot be inclined and deviated to cause liquid leakage.
In some embodiments, the end of the rotary joint 2 is provided with a liquid passing tube 26 and an outer connecting sleeve 27, the second liquid feeding channel 21 is arranged inside the liquid passing tube 26, the outer connecting sleeve 27 is arranged outside the liquid passing tube 26, a connecting gap is arranged between the outer connecting sleeve 27 and the liquid passing tube 26, and the inner side of the outer connecting sleeve 27 is provided with an internal thread 271.
When the infusion pipeline is connected with the rotary joint 2, the infusion pipeline is inserted into a connecting gap between the outer connecting sleeve 27 and the liquid passing pipe 26, the external thread of the infusion pipeline is in threaded connection with the internal thread 271 of the outer connecting sleeve 27, and liquid medicine flows from the liquid passing pipe 26; the rotary joint 2 and the main seat 1 can rotate relatively during threaded connection, and the infusion pipeline can not be twisted.
In some embodiments, the outer side wall of the rotary joint 2 is provided with a cleat 29. When rotating the swivel joint 2, a person's hand holding on the anti-slip strip 29 may better exert force to rotate the swivel joint 2.
In some embodiments, the main seat 1 includes a first cover 15 and a second cover 16, the second cover 16 is fixedly connected to a rear portion of the first cover 15, a first liquid passing cavity 151 is disposed inside the first cover 15, a first liquid inlet 12 is disposed at a head end of the first liquid passing cavity 151, a valve body 161 is disposed on the second cover 16, the valve body 161 is disposed inside the first liquid passing cavity 151, the valve body 161 faces the first liquid inlet 12, a first liquid passing hole 162 is disposed on the valve body 161, a second liquid passing cavity 163 is disposed inside the valve body 161, the first liquid passing cavity 151 and the second liquid passing cavity 163 are communicated through the first liquid passing hole 162, the first liquid conveying channel 11 includes the first liquid passing cavity 151, the first liquid passing hole 162 and the second liquid passing cavity 163, an elastic sleeve 17 is sleeved on the valve body 161, an elastic hole 171 is disposed at a head end of the elastic sleeve 17, the elastic sleeve 17 can slide along the valve body 161, and allows the valve body 161 to open the elastic hole 171 and allows the elastic sleeve 17 to open or close the first liquid passing hole 162.
When the needle tube is not connected, the elastic sleeve 17 is in an open state, the valve body 161 does not push the elastic hole 171 open, the elastic hole 171 is closed, the elastic sleeve 17 blocks the communication between the first liquid passing hole 162 and the first liquid inlet 12, the internal pressure of the product is kept balanced, and the liquid does not flow back; when the needle tube is connected, the needle port is inserted into the first liquid inlet 12 and pushes the elastic sleeve 17 inward, the valve body 161 pushes the elastic hole 171 open, the top end of the elastic sleeve 17 moves to the position of opening the first liquid passing hole 162, and the liquid medicine can enter the inner side of the second liquid passing cavity 163 from the first liquid passing hole 162, so that the liquid medicine flows from the first liquid inlet 12 to the first liquid outlet 13.
Further, the first cover 15 and the second cover 16 are fixed by ultrasonic welding. The first cover body 15 and the second cover body 16 are welded by ultrasonic waves, and are convenient to fix.
Further, the elastic sleeve 17 is a bellows sleeve. The corrugated sleeve is sleeved on the valve body 161, and the corrugated sleeve has good elasticity, so that the first liquid passing hole 162 is conveniently opened by compression and the first liquid passing hole 162 is closed by rebound.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A needleless infusion connector capable of reducing connection line distortion, comprising:
the main seat is provided with a first liquid conveying channel on the inner side, a first liquid inlet is formed in the head of the main seat, a first liquid outlet is formed in the tail of the main seat, the first liquid inlet and the first liquid outlet are both communicated with the first liquid conveying channel, a clamping column is arranged at the tail of the main seat, the first liquid outlet is formed in the tail end of the clamping column, and a first clamping portion is formed in the outer side wall of the clamping column;
the inner side of the rotary joint is provided with a second transfusion channel, the head of the rotary joint is provided with a second liquid inlet, the tail of the rotary joint is provided with a second liquid outlet, the second liquid inlet and the second liquid outlet are both communicated with the second transfusion channel, the first liquid outlet and the second liquid inlet are arranged oppositely, the head of the rotary joint is provided with a clamping hole, a clamping column is inserted into the clamping hole and is rotationally connected with the clamping hole, the inner side wall of the clamping hole is provided with a second clamping part, and the first clamping part and the second clamping part are axially clamped;
the sealing ring is sleeved on the clamping column, and the clamping column and the clamping hole are connected with the sealing ring in an interference fit manner.
2. The needleless infusion connector capable of reducing the distortion of the connection pipeline as claimed in claim 1, wherein the first clamping portion is a first clamping ring, the second clamping portion is a second clamping ring, and the second clamping ring is clamped on a side of the first clamping ring away from the first liquid outlet.
3. The needleless infusion connector capable of reducing the distortion of the connection pipeline as claimed in claim 2, wherein a side of the first clamp ring adjacent to the first liquid outlet is provided with a first flaring tapered surface for flaring the second clamp ring when the clamp column is inserted into the clamp hole.
4. The needleless infusion connector of claim 3, wherein a side of said second snap ring remote from said first snap ring is provided with a second flared cone.
5. The needle-free infusion connector capable of reducing connecting pipeline distortion as claimed in claim 2, wherein the sealing ring is arranged on one side of the first clamping ring close to the first liquid outlet.
6. The needle-free infusion joint capable of reducing the distortion of the connecting pipeline as claimed in claim 1, wherein a limiting groove is formed at the bottom of the clamping hole, and the tail part of the clamping column is inserted into the inner side of the limiting groove.
7. The needle-free infusion joint capable of reducing the distortion of the connecting pipeline as claimed in claim 1, wherein the tail of the rotary joint is provided with a liquid passing tube and an outer connecting sleeve, the second infusion channel is arranged at the inner side of the liquid passing tube, the outer connecting sleeve is arranged at the outer side of the liquid passing tube, a connecting gap is arranged between the outer connecting sleeve and the liquid passing tube, and the inner side of the outer connecting sleeve is provided with an internal thread.
8. The needle-free infusion joint capable of reducing the distortion of the connecting pipeline as claimed in claim 1, wherein an anti-slip strip is arranged on the outer side wall of the rotary joint.
9. The needle-free infusion joint capable of reducing the distortion of the connecting pipeline as claimed in claim 1, wherein the main seat comprises a first cover body and a second cover body, the second cover body is fixedly connected to the tail portion of the first cover body, a first liquid passing cavity is arranged on the inner side of the first cover body, the first end of the first liquid passing cavity is provided with the first liquid inlet, the second cover body is provided with a valve body, the valve body is arranged on the inner side of the first liquid passing cavity, the valve body faces the first liquid inlet, the valve body is provided with a first liquid passing hole, the inner side of the valve body is provided with a second liquid passing cavity, the first liquid passing cavity and the second liquid passing cavity are communicated through the first liquid passing hole, the first infusion channel comprises a first liquid passing cavity, the first liquid passing hole and the second liquid passing cavity, an elastic sleeve is sleeved on the valve body, and the head end of the elastic sleeve is provided with an elastic hole, the elastic sleeve can slide along the valve body, and enables the valve body to open the elastic hole and the elastic sleeve to open or close the first liquid passing hole.
10. The needle-free infusion connector capable of reducing connection pipeline distortion of claim 9, wherein the first cover and the second cover are fixed by ultrasonic welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123059019.8U CN216855420U (en) | 2021-12-06 | 2021-12-06 | Needleless infusion joint capable of reducing connecting pipeline distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123059019.8U CN216855420U (en) | 2021-12-06 | 2021-12-06 | Needleless infusion joint capable of reducing connecting pipeline distortion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216855420U true CN216855420U (en) | 2022-07-01 |
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ID=82127661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123059019.8U Active CN216855420U (en) | 2021-12-06 | 2021-12-06 | Needleless infusion joint capable of reducing connecting pipeline distortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216855420U (en) |
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2021
- 2021-12-06 CN CN202123059019.8U patent/CN216855420U/en active Active
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