CN208989887U - The pipe sealing device and remaining needle external member for preventing remaining needle from blocking - Google Patents

Abstract

The utility model discloses a kind of pipe sealing device for preventing remaining needle from blocking and remaining needle external members, including pipe sealing device ontology and extension tube, the side of the pipe sealing device ontology is equipped with current-limiting apparatus, the current-limiting apparatus is equipped with chamber, sliding eye is offered in the top inner wall and bottom interior wall of the chamber, the extension tube runs through two sliding eyes far from one end of pipe sealing device ontology and extends to the side of current-limiting apparatus, support plate is fixedly installed on the side inner wall of the chamber, the side of the support plate is fixedly installed with the first pressing plate, the side of first pressing plate is fixedly connected with multiple springs, the side of multiple springs is fixedly connected with same second pressing plate, second pressing plate is in contact with extension tube.The utility model structure is simple, and rotating shaft, shaft will drive movable plate and be moved, thus the second pressing plate and third pressing plate can be made to squeeze extension tube, so remaining needle is when in use, the flow velocity of adjustable medical fluid.

Description

The pipe sealing device and remaining needle external member for preventing remaining needle from blocking

Technical field

The utility model relates to the field of medical instrument technology more particularly to it is a kind of prevent remaining needle block pipe sealing device and Remaining needle external member.

Background technique

Application No. is 201520555015.4 utility model, disclose a kind of pipe sealing device for preventing remaining needle from blocking and Remaining needle external member, the buckle closure being interlocked including pedestal, with pedestal and the extrusion for squeezing remaining needle extension tube, edge on pedestal Its length trend offers the first groove；The second groove is offered on the face being in contact on buckle closure with pedestal along its length, The position of second groove and the first groove is corresponding, and the channel passed through for remaining needle extension tube is formed when fastening；On buckle closure And an opening is offered on the position where the second groove, the extruding for squeezing remaining needle extension tube is provided in opening Part, the pipe sealing device structure for preventing remaining needle from blocking is simple, facilitates control, but the remaining needle in the utility model is using During be not easy to the flow velocity of control medical fluid, and flow velocity is too fast, will increase the feeling of pain of patient, so we have proposed one kind The pipe sealing device and remaining needle external member for preventing remaining needle from blocking, to solve the problems, such as above-mentioned propose.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and what is proposed prevents remaining needle from blocking Pipe sealing device and remaining needle external member.

To achieve the goals above, the utility model adopts the technical scheme that

The pipe sealing device and remaining needle external member for preventing remaining needle from blocking, including pipe sealing device ontology and extension tube, the envelope The side of pipe device ontology is equipped with current-limiting apparatus, and the current-limiting apparatus is equipped with chamber, the top inner wall of the chamber and bottom Sliding eye is offered on inner wall, the one end of the extension tube far from pipe sealing device ontology is through two sliding eyes and extends to limit The side of device is flowed, is fixedly installed with support plate on the side inner wall of the chamber, the side of the support plate is fixedly installed with First pressing plate, the side of first pressing plate are fixedly connected with multiple springs, and the side of multiple springs is fixedly connected with same Second pressing plate, second pressing plate are in contact with extension tube, transverse slat there are two fixed installations on the side inner wall of the chamber, and two The side of a transverse slat is fixedly connected with the same vertical plate, and movable plate, the side of the movable plate are slidably connected on the vertical plate Rack gear is offered, shaft is fixedly installed in the top inner wall of the chamber, the side of the movable plate is fixedly installed with third Pressing plate, and the side of third pressing plate and extension tube are in contact, the outside fixing sleeve of the shaft is equipped with gear, the gear and tooth Item is meshed, and the bottom of the shaft runs through the bottom interior wall of chamber and extends to the bottom of current-limiting apparatus, the current-limiting apparatus Bottom be fixedly installed with knob.

Preferably, fixation hole is offered on the knob, the bottom of the current-limiting apparatus offers multiple fixing grooves, described Fixation hole internal screw thread is connected with fixing axle, extends at the top of the fixing axle in fixing groove and is threadedly coupled with fixing groove.

Preferably, the quantity of the spring is three to six, and three to six springs are equally distributed on the one of the first pressing plate Side.

Preferably, bearing is fixedly installed in the top inner wall of the chamber, the top of the shaft is through the interior of bearing It encloses and is mutually welded with the inner ring of bearing.

Preferably, limit hole is offered on the vertical plate, and linear bearing, institute are fixedly installed on the inner wall of the limit hole The side of movable plate is stated through linear bearing and is mutually welded with the inner ring of linear bearing.

Preferably, internal screw thread is offered on the fixation hole and the inner wall of fixing groove, is opened up on the outside of the fixing axle There is external screw thread, the internal screw thread and external screw thread are threadedly coupled.

Compared with prior art, the utility model has the beneficial effects that rotating shaft, shaft will drive gear and be turned It is dynamic, and gear and rack gear are meshed, it is possible to movable plate is moved, and movable plate is when moving, can make third pressing plate It is moved, and extension tube is under the extruding of third pressing plate and the second pressing plate, the flow velocity of medical fluid in adjustable extension tube, right Medical fluid flow velocity adjusting finish after, then can rotate fixing axle, fixing axle can rotate into fixing groove, thus can to turn Button is braked.

The utility model structure is simple, and rotating shaft, shaft will drive movable plate and be moved, thus can make the second pressing plate Extension tube is squeezed with third pressing plate, so remaining needle is when in use, the flow velocity of adjustable medical fluid.

Detailed description of the invention

Fig. 1 be the utility model proposes prevent remaining needle block pipe sealing device and remaining needle external member pipe sealing device knot Structure main view；

Fig. 2 be the utility model proposes prevent remaining needle block pipe sealing device and remaining needle external member current-limiting apparatus knot Structure cross-sectional view；

Fig. 3 be the utility model proposes prevent remaining needle block pipe sealing device and remaining needle external member A structure amplification Figure.

In figure: 1 pipe sealing device ontology, 2 extension tubes, 3 current-limiting apparatus, 4 chambers, 5 support plates, 6 first pressing plates, 7 springs, 8 Second pressing plate, 9 transverse slats, 10 vertical plates, 11 movable plates, 12 rack gears, 13 third pressing plates, 14 shafts, 15 gears, 16 turn-buttons, 17 are fixed Hole, 18 fixing grooves, 19 fixing axles.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, the pipe sealing device and remaining needle external member for preventing remaining needle from blocking, including pipe sealing device ontology 1 and prolong Long tube 2, the side of pipe sealing device ontology 1 are equipped with current-limiting apparatus 3, and current-limiting apparatus 3 is equipped with chamber 4, the top inner wall of chamber 4 and Sliding eye is offered in bottom interior wall, the one end of extension tube 2 far from pipe sealing device ontology 1 is through two sliding eyes and extends to The side of current-limiting apparatus 3 is fixedly installed with support plate 5 on the side inner wall of chamber 4, and the side of support plate 5 is fixedly installed with One pressing plate 6, the side of the first pressing plate 6 are fixedly connected with multiple springs 7, and the side of multiple springs 7 is fixedly connected with same Two pressing plates 8, the second pressing plate 8 are in contact with extension tube 2, and there are two transverse slat 9, two cross for fixed installation on the side inner wall of chamber 4 The side of plate 9 is fixedly connected with the same vertical plate 10, and movable plate 11 is slidably connected on vertical plate 10, and the side of movable plate 11 opens up There is rack gear 12, shaft 14 is fixedly installed in the top inner wall of chamber 4, the side of movable plate 11 is fixedly installed with third pressing plate 13, and the side of third pressing plate 13 and extension tube 2 are in contact, the outside fixing sleeve of shaft 14 is equipped with gear 15, gear 15 and tooth Item 12 is meshed, and the bottom of shaft 14 runs through the bottom interior wall of chamber 4 and extends to the bottom of current-limiting apparatus 3, current-limiting apparatus 3 Bottom is fixedly installed with knob 16, and rotating shaft 14, shaft 14 will drive gear 15 and be rotated, and 12 phase of gear 15 and rack gear Engagement, it is possible to movable plate 11 is moved, and movable plate 11 is when moving, and third pressing plate 13 can be made to be moved, and Extension tube 2 is under the extruding of third pressing plate 13 and the second pressing plate 8, the flow velocity of medical fluid in adjustable extension tube 2, to medical fluid Flow velocity adjusting finish after, then can rotate fixing axle 19, fixing axle 19 can rotate into fixing groove 18, thus can to turn Button 16 is braked, and the utility model structure is simple, and rotating shaft 14, shaft 14 will drive movable plate 11 and be moved, thus The second pressing plate 8 and third pressing plate 13 can be made to squeeze extension tube 2, so remaining needle is when in use, adjustable medical fluid Flow velocity.

In the utility model, fixation hole 17 is offered on knob 16, the bottom of current-limiting apparatus 3 offers multiple fixing grooves 18,17 internal screw thread of fixation hole is connected with fixing axle 19, and the top of fixing axle 19 extends in fixing groove 18 and and 18 spiral shell of fixing groove Line connection, the quantity of spring 7 is three to six, and three to six springs 7 are equally distributed on the side of the first pressing plate 6, chamber 4 Bearing is fixedly installed in top inner wall, the top of shaft 14 is simultaneously mutually welded with the inner ring of bearing through the inner ring of bearing, vertical plate Limit hole is offered on 10, linear bearing is fixedly installed on the inner wall of limit hole, and linear bearing is run through in the side of movable plate 11 And mutually welded with the inner ring of linear bearing, internal screw thread is offered on the inner wall of fixation hole 17 and fixing groove 18, fixing axle 19 Outside offers external screw thread, and internal screw thread and external screw thread are threadedly coupled, and rotating shaft 14, shaft 14 will drive 15 turns of gear It is dynamic, and gear 15 and rack gear 12 are meshed, it is possible to movable plate 11 is moved, and movable plate 11 is when moving, can make Third pressing plate 13 is moved, and extension tube 2 is under the extruding of third pressing plate 13 and the second pressing plate 8, in adjustable extension tube 2 The flow velocity of medical fluid can then rotate fixing axle 19 after the flow velocity adjusting to medical fluid finishes, and fixing axle 19 can rotate into solid Determine in slot 18, thus turn-button 16 can be braked, the utility model structure is simple, rotating shaft 14, and shaft 14 will drive Movable plate 11 is moved, thus the second pressing plate 8 and third pressing plate 13 can be made to squeeze extension tube 2, so remaining needle exists In use, the flow velocity of adjustable medical fluid.

Working principle: when needing that the flow velocity of the medical fluid of injection is adjusted, rotation turn-button 16, turn-button 16 can bands first Turn axis 14 is rotated, and shaft 14 will drive gear 15 and be rotated, and gear 15 and rack gear 12 are meshed, it is possible to make Movable plate 11 is moved, and movable plate 11 is when moving, and third pressing plate 13 can be made to be moved, thus extension tube 2 can be by the Three pressing plates 13 and the second pressing plate 8 are squeezed, while under the action of multiple spring 7, medical worker can be made prolonged Under adjusting, the dynamics of adjusting is grasped, after the flow velocity adjusting of medical fluid finishes in extension tube 2, then can rotate fixing axle 19, Because fixing axle 19 and fixation hole 17 are threadedly coupled, fixing axle 19 can be made to will do it movement when rotated, until fixing axle In 19 moving in rotations to fixing groove 18, and fixing groove 18 is threadedly coupled with fixing axle 1, thus can be braked to turn-button 16, Thus remaining needle is when in use, the flow velocity of adjustable medical fluid.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. the pipe sealing device and remaining needle external member that prevent remaining needle from blocking, including pipe sealing device ontology (1) and extension tube (2), It is characterized in that, the side of the pipe sealing device ontology (1) is equipped with current-limiting apparatus (3), and the current-limiting apparatus (3) is equipped with chamber (4), sliding eye is offered in the top inner wall and bottom interior wall of the chamber (4), the extension tube (2) is far from pipe sealing device One end of ontology (1) runs through two sliding eyes and extends to the side of current-limiting apparatus (3), on the side inner wall of the chamber (4) It is fixedly installed with support plate (5), the side of the support plate (5) is fixedly installed with the first pressing plate (6), first pressing plate (6) Side be fixedly connected with multiple springs (7), the side of multiple springs (7) is fixedly connected with same second pressing plate (8), described Second pressing plate (8) is in contact with extension tube (2), on the side inner wall of the chamber (4) there are two fixed installations transverse slat (9), two The side of a transverse slat (9) is fixedly connected with the same vertical plate (10), slidably connects movable plate (11), institute on the vertical plate (10) The side for stating movable plate (11) offers rack gear (12), is fixedly installed with shaft (14), institute in the top inner wall of the chamber (4) The side for stating movable plate (11) is fixedly installed with third pressing plate (13), and the side of third pressing plate (13) and extension tube (2) connect The outside fixing sleeve of touching, the shaft (14) is equipped with gear (15), and the gear (15) and rack gear (12) are meshed, the shaft (14) bottom runs through the bottom interior wall of chamber (4) and extends to the bottom of current-limiting apparatus (3), the bottom of the current-limiting apparatus (3) Portion is fixedly installed with knob (16).

2. the pipe sealing device according to claim 1 for preventing remaining needle from blocking and remaining needle external member, which is characterized in that described It is offered on knob (16) fixation hole (17), the bottom of the current-limiting apparatus (3) offers multiple fixing grooves (18), the fixation Hole (17) internal screw thread is connected with fixing axle (19), is extended in fixing groove (18) at the top of the fixing axle (19) and and fixing groove (18) it is threadedly coupled.

3. the pipe sealing device according to claim 1 for preventing remaining needle from blocking and remaining needle external member, which is characterized in that described The quantity of spring (7) is three to six, and three to six springs (7) are equally distributed on the side of the first pressing plate (6).

4. the pipe sealing device according to claim 1 for preventing remaining needle from blocking and remaining needle external member, which is characterized in that described It is fixedly installed with bearing in the top inner wall of chamber (4), the inner ring and and bearing of the top of the shaft (14) through bearing Inner ring mutually welds.

5. the pipe sealing device according to claim 1 for preventing remaining needle from blocking and remaining needle external member, which is characterized in that described Limit hole is offered on vertical plate (10), and linear bearing is fixedly installed on the inner wall of the limit hole, the movable plate (11) It mutually welds through linear bearing and with the inner ring of linear bearing side.

6. the pipe sealing device according to claim 2 for preventing remaining needle from blocking and remaining needle external member, which is characterized in that described Internal screw thread is offered on fixation hole (17) and the inner wall of fixing groove (18), offers outer spiral shell on the outside of the fixing axle (19) Line, the internal screw thread and external screw thread are threadedly coupled.