CN210873436U - Novel T-shaped piston upper cover for electronic device - Google Patents
Novel T-shaped piston upper cover for electronic device Download PDFInfo
- Publication number
- CN210873436U CN210873436U CN201921108525.1U CN201921108525U CN210873436U CN 210873436 U CN210873436 U CN 210873436U CN 201921108525 U CN201921108525 U CN 201921108525U CN 210873436 U CN210873436 U CN 210873436U
- Authority
- CN
- China
- Prior art keywords
- joint
- way connection
- malleation
- connection
- connecting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a novel T type piston upper cover for electron device, including three way connection and hose connection head, three way connection and hose connection head swing joint, the connecting seat has been seted up to three way connection's bottom, hose connection head insert in the connecting seat rather than the joint, malleation joint has been seted up at three way connection's top, malleation joint's surface is seted up threadedly, three way connection's right side fixedly connected with conical joint, the end cap has been cup jointed on the conical joint, three way connection's inner wall sliding connection has the malleation case. The utility model discloses an above-mentioned isotructure's cooperation has realized that simple structure connects when stable, prevents that blood backward flow from keeping somewhere the needle to the vein in form the embolism, and the excessive and air admission's of venous blood effect.
Description
Technical Field
The utility model relates to a malleation vein is kept somewhere needle technical field, specifically is a novel T type piston upper cover for electron device.
Background
The venous indwelling needle consists of a stainless steel core, a soft outer sleeve and a plastic needle seat. An infusion tool for puncturing a blood vessel with an outer cannula and a stylet during puncture, withdrawing the stylet after the cannula is fed into the blood vessel, and only leaving the soft outer cannula in the blood vessel for infusion. Because the puncture is easy, the related puncture technology is easy to learn, the blood vessel of the patient is protected, the pain of the patient is relieved, the patient feels comfortable, and the satisfaction degree and the nursing quality of the patient are improved. The multifunctional medical nursing needle has the advantages that a plurality of different structural products can be selected, catheters with different lengths can be selected, the working efficiency of nurses is improved, the medicine is reasonably taken, multiple times of intermittent infusion every day is avoided, puncture is reduced, the medicine is not taken on time, the reaction between the medicines is avoided, the cost is reduced, the cost of exudation treatment caused by puncture of scalp needles is reduced, and the multifunctional medical nursing needle is widely applied to the medical field. However, because the existing infusion pipeline joint connected with the three-way type sleeve is not provided with a positive pressure connecting device, when medical equipment such as a syringe and the like is drawn out from the infusion pipeline joint, liquid backflow and human blood outflow are often caused due to the influence of factors such as human blood pressure and the like, blood flows out from a patient and enters the sleeve, the blood is blocked or coagulated in the sleeve, and the use and infusion safety of the venous indwelling needle are seriously influenced. The traditional three-way joint positive pressure equipment is relatively complex in structure, poor in sealing performance and connection stability, and difficult to meet the safe and efficient use requirement of the venous indwelling needle in the medical field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel T type piston upper cover for electron device possesses simple structure and connects when stable, prevents that blood backflow from staying to the vein and forming in the needle and tie up, and the excessive and air admission's of venous blood advantage, has solved traditional malleation vein and has stayed the three way connection structure of needle complicated, the poor problem of sealed effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel T type piston upper cover for electron device, includes three way connection and hose connection head, three way connection and hose connection head swing joint, the connecting seat has been seted up to three way connection's bottom, hose connection head insert in the connecting seat rather than the joint, positive pressure connection has been seted up at three way connection's top, the screw thread has been seted up on positive pressure connection's surface, three way connection's right side fixedly connected with conical joint, the end cap has been cup jointed on the conical joint, three way connection's inner wall sliding connection has the malleation case, compression spring has been placed to three way connection's inner wall, compression spring extrudees with the malleation case each other.
Preferably, the inner wall of the connecting seat is provided with an arc clamping groove, and the hose connector is inserted into the connecting seat and clamped with the connecting seat through the arc clamping groove.
Preferably, the positive pressure valve core is matched with the inner wall of the three-way joint.
Preferably, a first sealing ring is sleeved on the surface, close to the top, of the positive pressure valve core.
Preferably, a second sealing ring is sleeved on the surface, close to the bottom, of the positive pressure valve core.
Compared with the prior art, the beneficial effects of the utility model are as follows:
one, the utility model discloses a set up circular arc joint groove, through the joint structure of circular arc draw-in groove, it is more stable to make to be connected between three way connection and the hose connection head, when improving its sealed effect, makes its installation more convenient.
Two, the utility model discloses a set up first sealing ring and second sealing ring, the malleation case is used for removing under compression spring's elasticity effect after the infusion is accomplished, under the sealing action of malleation valve door, makes the interior malleation that forms of three way connection to through setting up first sealing ring and second sealing ring, carry out the dual-seal line of defence, effectively increase the leakproofness of malleation case.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a front sectional view of the present invention.
In the figure: the sealing device comprises a three-way connector 1, a hose connector 2, a connecting seat 3, a positive pressure connector 4, a thread 5, a conical connector 6, an end cap 7, a positive pressure valve core 8, a compression spring 9, an arc clamping groove 10, a first sealing ring 11 and a second sealing ring 12.
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 work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: a novel T-shaped piston upper cover for an electronic device comprises a three-way joint 1 and a hose connector 2, wherein the three-way joint 1 is movably connected with the hose connector 2, the bottom of the three-way joint 1 is provided with a connecting seat 3, the hose connector 2 is inserted into the connecting seat 3 and clamped with the connecting seat, the inner wall of the connecting seat 3 is provided with an arc clamping groove 10, the hose connector 2 is inserted into the connecting seat 3 and clamped with the connecting seat 3 through the arc clamping groove 10, the three-way joint 1 and the hose connector 2 are more stably connected through a clamping structure of the arc clamping groove 10, the sealing effect is improved, meanwhile, the mounting is more convenient, the top of the three-way joint 1 is provided with a positive pressure joint 4, the surface of the positive pressure joint 4 is provided with a thread 5, the right side of the three-way joint 1 is fixedly connected with a conical joint 6, the conical joint 6 is, malleation case 8 is in three way connection 1's inner wall looks adaptation, first sealing ring 11 has been cup jointed on the surface that is close to its top on the malleation case 8, second sealing ring 12 has been cup jointed on the surface that is close to its bottom on the malleation case 8, malleation case 8 is used for removing under compression spring 9's elasticity effect after the infusion is accomplished, under the sealing action of malleation valve 8, make the interior malleation that forms of three way connection 1, and through setting up first sealing ring 11 and second sealing ring 12, carry out double sealing line of defence, effectively increase malleation case 8's leakproofness, compression spring 9 has been placed to three way connection 1's inner wall, compression spring 9 extrudees with malleation case 8 each other.
The working principle is as follows: this novel T type piston upper cover for electron device uses, when infusing, outside transfusion system is from 5 rather than threaded connection through the screw thread on the malleation connects 4, through extrusion malleation case 8, make malleation case 8 extrusion compression spring 9 along three way connection 1's inner wall lapse, thereby make the liquid medicine get into three way connection 1 and carry out the infusion, when outside transfusion system takes out from malleation joint 4, compression spring 9 takes malleation case 8 rebound, seal, produce extrusion positive pressure, thereby liquid medicine backward flow or blood backward flow that the negative pressure that produces when avoiding screwing out outside transfusion system and connecting arouse, realize simple structure and connect stable the while, prevent that blood backward flow from keeping somewhere to the vein and forming in the needle and tie up, and the excessive and air admission's of venous blood effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel T type piston upper cover for electron device, includes three way connection (1) and hose connection head (2), three way connection (1) and hose connection head (2) swing joint, its characterized in that: connecting seat (3) have been seted up to the bottom of three way connection (1), hose connection head (2) insert in connecting seat (3) rather than the joint, malleation joint (4) have been seted up at the top of three way connection (1), screw thread (5) have been seted up on the surface of malleation joint (4), right side fixedly connected with conical joint (6) of three way connection (1), end cap (7) have been cup jointed on conical joint (6), the inner wall sliding connection of three way connection (1) has malleation case (8), compression spring (9) have been placed to the inner wall of three way connection (1), compression spring (9) and malleation case (8) extrude each other.
2. The novel T-shaped piston upper cover for the electronic device as claimed in claim 1, wherein: circular arc joint groove (10) have been seted up to the inner wall of connecting seat (3), hose connector (2) insert in connecting seat (3) and through circular arc joint groove (10) and connecting seat (3) joint.
3. The novel T-shaped piston upper cover for the electronic device as claimed in claim 1, wherein: the positive pressure valve core (8) is matched with the inner wall of the three-way joint (1).
4. The novel T-shaped piston upper cover for the electronic device as claimed in claim 1, wherein: and a first sealing ring (11) is sleeved on the surface, close to the top, of the positive pressure valve core (8).
5. The novel T-shaped piston upper cover for the electronic device as claimed in claim 1, wherein: and a second sealing ring (12) is sleeved on the surface, close to the bottom, of the positive pressure valve core (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108525.1U CN210873436U (en) | 2019-07-16 | 2019-07-16 | Novel T-shaped piston upper cover for electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108525.1U CN210873436U (en) | 2019-07-16 | 2019-07-16 | Novel T-shaped piston upper cover for electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210873436U true CN210873436U (en) | 2020-06-30 |
Family
ID=71310034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921108525.1U Active CN210873436U (en) | 2019-07-16 | 2019-07-16 | Novel T-shaped piston upper cover for electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210873436U (en) |
-
2019
- 2019-07-16 CN CN201921108525.1U patent/CN210873436U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203971057U (en) | A kind of remaining needle | |
| CN203989267U (en) | Disposable infusion hose type transfusion needle | |
| CN107096112A (en) | A kind of indwelling emergency treatment conduit thrombosis prevention device | |
| CN210873436U (en) | Novel T-shaped piston upper cover for electronic device | |
| CN209848010U (en) | Puncture-proof transfusion needle | |
| CN103691025A (en) | Needleless connection type infusion apparatus | |
| CN104510626A (en) | Tube device through NG feeding | |
| CN104606739A (en) | Anti-thrombotic safety cap for venous indwelling needle and using method thereof | |
| CN212522590U (en) | Big inner diameter trigeminy trocar device of easy operation | |
| CN211188562U (en) | Venous indwelling needle capable of preventing blood return | |
| CN210844618U (en) | Multi-puncture infusion apparatus | |
| CN204106021U (en) | Multifunctional blood collecting needle | |
| CN209137582U (en) | A kind of novel infusion needleless joint | |
| CN209347788U (en) | Novel remaining needle | |
| CN206045089U (en) | A kind of resistance bacterium positive pressure remaining needle device | |
| CN210904364U (en) | Novel negative pressure transfusion device | |
| CN202191542U (en) | Anti-bacterial anti-reflux remaining needle | |
| CN204170209U (en) | Closed remaining needle | |
| CN210873433U (en) | T-shaped piston upper cover with good fixing effect for electronic device | |
| CN203154431U (en) | Anti-backflow intravenous infusion set | |
| CN215537317U (en) | Special needle of malleation implanted device of dosing | |
| CN211068447U (en) | Novel anti-thrombus venous indwelling needle | |
| CN219941436U (en) | Elastic vascular catheter connector | |
| CN209645566U (en) | Anti-stabbing infusion apparatus | |
| CN212522574U (en) | Infusion apparatus for injection of adults |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |