CN217697650U - Female adapter and infusion device - Google Patents
Female adapter and infusion device Download PDFInfo
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- CN217697650U CN217697650U CN202121253535.1U CN202121253535U CN217697650U CN 217697650 U CN217697650 U CN 217697650U CN 202121253535 U CN202121253535 U CN 202121253535U CN 217697650 U CN217697650 U CN 217697650U
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Abstract
The utility model discloses a female crossover sub and infusion set. Wherein, female crossover sub includes liquid inlet member, goes out liquid spare and sealing member. The liquid inlet piece is provided with a liquid inlet female joint and a liquid inlet hole; the liquid outlet piece is connected with the liquid inlet piece, a cavity is formed between the liquid outlet piece and the liquid inlet piece, and the liquid outlet piece is provided with a liquid outlet hole and a liquid outlet female joint; the sealing element is arranged in the cavity to open or close the liquid inlet hole so as to enable the liquid inlet hole to be communicated with the cavity in a one-way mode, and the liquid inlet female joint and the liquid outlet female joint can be connected with various male joints, so that the connection of two male joint pipelines can be realized.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a female crossover sub and infusion set who uses this female crossover sub.
Background
In clinical infusion pipelines, pipelines with different specifications are generally connected together, and the switching joints in the related art are all provided with male joints at one end and female joints at the other end so as to be switched to different pipeline structures. However, due to the wide application of luer male connectors, more and more luer male connectors are provided at the end of a pipeline. The connection conversion of two male connector pipelines cannot be performed in the related art. Also, during the transfer, it is desirable to prevent backflow of fluid during infusion therapy or drainage of the patient.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a female crossover sub aims at making things convenient for two male joint pipeline one-way switch-on connections, prevents liquid reflux simultaneously.
In order to achieve the above object, the utility model provides a female adapter, which comprises a liquid inlet member, a liquid outlet member and a sealing member, wherein the liquid inlet member is provided with a liquid inlet female joint, and the liquid inlet member is provided with a liquid inlet hole; the liquid outlet piece is connected with the liquid inlet piece, a cavity is formed between the liquid outlet piece and the liquid inlet piece, the liquid outlet piece is provided with a liquid outlet hole, and the liquid outlet piece is provided with a liquid outlet female joint; the sealing element is arranged in the cavity to block or conduct liquid, so that the two male connector pipelines can be connected in a one-way conduction mode.
Optionally, the liquid inlet member includes a liquid inlet pipe, the liquid inlet pipe is provided with a liquid inlet channel, and one end of the liquid inlet pipe is provided with the liquid inlet female joint; and the first connecting cylinder is arranged at one end, deviating from the liquid inlet female joint, of the liquid inlet pipe, and the liquid inlet hole is arranged in the first connecting cylinder and communicated with the liquid inlet channel.
Optionally, the first connecting cylinder includes a first plate-shaped body, the first plate-shaped body is disposed at an end of the liquid inlet pipe away from the liquid inlet female joint, and the liquid inlet hole is disposed in the first plate-shaped body; and a surrounding plate, wherein the surrounding plate is arranged on the surface of the first plate-shaped body, which is far away from the liquid inlet pipe, and the surrounding plate and the first plate-shaped body surround to form the first connecting cylinder.
Optionally, the periphery of the first plate-shaped body protrudes out of the outer peripheral surface of the first connecting cylinder to form a limit boss; and/or the liquid inlet holes are in a plurality in number and are annularly arranged; and/or an indication arrow is convexly arranged on the outer surface of the liquid inlet pipe, which is deviated from the circumferential direction of the liquid inlet channel, and the indication arrow is used for indicating the flowing direction of liquid; and/or the liquid inlet female joint and the liquid outlet female joint are provided with external threads for connecting with a male joint; and/or a chamfer angle is arranged between the coaming and the limiting boss.
Optionally, the liquid outlet member includes a liquid outlet pipe, the liquid outlet pipe is provided with a liquid outlet channel, and one end of the liquid outlet pipe is provided with a liquid outlet female joint; and the second connecting cylinder is arranged at one end of the liquid outlet pipe deviating from the liquid outlet female joint, a liquid outlet hole is formed in the second connecting cylinder, and the first connecting cylinder and the second connecting cylinder are connected and enclose to form a cavity.
Optionally, the second connecting cylinder includes a second plate-shaped body, the second plate-shaped body is disposed at an end of the liquid outlet pipe away from the liquid outlet female joint, and the liquid outlet hole is disposed in the second plate-shaped body; the inner side plate is arranged on the surface of the second plate-shaped main body, which is deviated from the liquid outlet pipe; and the outer side plate is arranged on the surface of the second plate-shaped main body, which is deviated from the liquid outlet pipe, and is arranged around the inner side plate, an insertion groove is formed between the inner side plate and the outer side plate, and the coaming is inserted in the insertion groove.
Optionally, the sealing member includes an elastic sealing plate, and the liquid passing hole is formed in the elastic sealing plate; and the mounting plate is arranged on the surface of the elastic sealing plate, which is far away from the first connecting cylinder, and the liquid passing hole penetrates through the mounting plate.
Optionally, a first boss is convexly disposed on a surface of the elastic sealing plate facing the first connecting cylinder, a plurality of cushion blocks are disposed on a surface of the first boss facing the first connecting cylinder, the cushion blocks are annularly arranged, and a blocking groove is concavely disposed in a center of the first boss.
Optionally, a blocking block is convexly arranged on the surface of the first plate-shaped main body, which is away from the liquid inlet female joint, an annular blocking convex ring is convexly arranged on the surface of the blocking block, which is away from the liquid inlet female joint, and the annular blocking convex ring tightly presses the blocking groove, so that the blocking block blocks the liquid passing hole; and/or the surface of the first plate-shaped main body, which is far away from the liquid inlet female joint, is convexly provided with a limiting step, and the limiting step is propped against the elastic sealing plate; and/or a second boss is convexly arranged on the surface of the mounting plate, which is deviated from the first connecting cylinder; and/or a sealing ring body is convexly arranged on the surface of the mounting plate, which is deviated from the first connecting cylinder, and the circumferential surface of the sealing ring body is tightly attached to the radial surface of the inner side plate; and/or the diameter of the liquid outlet hole is gradually reduced in the liquid outlet direction.
The utility model also provides an infusion device, which comprises the female adapter, and a liquid inlet male joint, which is connected with the liquid inlet female joint and is communicated with the liquid inlet channel; and the liquid outlet male joint is connected with the liquid outlet female joint and is communicated with the liquid outlet channel.
The utility model discloses among the technical scheme, the tip through the feed liquor spare with play liquid spare with female crossover sub sets up to feed liquor female joint and play liquid female joint to can carry out the turn-on connection with two outside male connectors, and then realize the technical scheme of two male connectors of unable switching among the prior art. Simultaneously, at the in-process of feed liquor, outside liquid flows into to the feed liquor piece in from the feed liquor hole, flows out to the play liquid hole that goes out the liquid piece via the cavity again, because of set up the sealing member in the cavity, through this sealing member one-way conduction liquid to prevent the liquid backward flow, realize the effective flow of liquid in the pipeline. Therefore, the female adapter of this application can make things convenient for two male joint pipeline one-way switch-on connections, prevents liquid backward flow simultaneously.
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 overall structure diagram of an embodiment of a female conversion joint of the present invention;
FIG. 2 is an exploded view of one embodiment of the female adapter of FIG. 1;
FIG. 3 is a front view of one embodiment of the female adapter of FIG. 1;
FIG. 4 is a cross-sectional view of the assembled female adapter of FIG. 1 in accordance with one embodiment;
FIG. 5 is a cross-sectional view of the unassembled female adapter of FIG. 1 in accordance with one embodiment.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 1000 | |
2111 | |
| 100 | |
212 | |
| 110 | |
213 | |
| 111 | Female joint of |
220 | |
| 112 | |
221 | Female joint goes out |
| 113 | Indicating |
222 | |
| 120 | First connecting |
21a | Plug-in groove |
| 121 | A first plate- |
300 | |
| 1211 | |
310 | |
| 1212 | |
311 | |
| 1213 | Limiting |
312 | |
| 1214 | |
3121 | Cushion |
| 1214a | Annular |
313 | |
| 1215 | |
320 | |
| 122 | |
321 | |
| 200 | |
3211 | |
| 210 | Second connecting |
322 | |
| 211 | Second plate- |
323 | Liquid accumulation tank |
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 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 all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention 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 indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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.
In clinical medicine, the infusion connectors of many products are difficult to unify, and most of the infusions have the requirement of backflow prevention. In view of this, the utility model relates to a female crossover sub to make things convenient for two male joint pipeline one-way switch-on connections.
Referring to fig. 1 to 5, in an embodiment of the present invention, the female adapter 1000 includes a liquid inlet 100, a liquid outlet 200, and a sealing element 300. Wherein, the liquid inlet member 100 is provided with a liquid inlet female joint 111, and the liquid inlet member 100 is provided with a liquid inlet hole 1211. The liquid outlet piece 200 is connected with the liquid inlet piece 100, a cavity is formed between the liquid outlet piece 200 and the liquid inlet piece 100, the liquid outlet piece 200 is provided with a liquid outlet hole 2111, and the liquid outlet piece 200 is provided with a liquid outlet female joint 221. The seal 300 is placed in the cavity to block or conduct fluid, thereby enabling one-way fluid communication between the two male connector lines.
The utility model discloses among the technical scheme, the tip through the feed liquor piece 100 with play liquid piece 200 with female crossover sub 1000 sets up to feed liquor female joint 111 and play liquid female joint 221 to can carry out the turn-on connection with two external male connectors, and then realize the technical scheme of two unable switching male connectors among the prior art. Meanwhile, in the process of liquid inlet, the external liquid flows into the liquid inlet member 100 from the liquid inlet hole 1211 and flows out from the cavity to the liquid outlet hole 2111 of the liquid outlet member 200, and the sealing member 300 is arranged in the cavity, so that the liquid is conducted in a single direction through the sealing member 300, the liquid is prevented from flowing back, and the effective flow of the liquid in the pipeline is realized. Consequently, the female crossover sub 1000 of this application can make things convenient for two one-way turn-on connections of male joint pipeline, prevents liquid backward flow simultaneously.
It is understood that the sealing member 300 is in one-way communication, and various embodiments can be adopted, for example, a one-way valve such as a control valve, a ball valve, etc., and an elastic sealing member can also be adopted, and the function of one-way communication is realized through elastic deformation of the sealing member 300. Of course, in other embodiments, the liquid outlet member 200 may be provided with a spring, and the sealing member 300 is moved by the deformation of the spring, so as to block or conduct the liquid, thereby enabling the female adapter 1000 to conduct in one direction.
As shown in fig. 1 to 5, in an embodiment of the present application, the liquid inlet member 100 includes a liquid inlet pipe 110 and a first connecting cylinder 120. Wherein, the liquid inlet pipe 110 is provided with a liquid inlet channel 112, and one end of the liquid inlet pipe 110 is provided with a liquid inlet female joint 111. The first connecting cylinder 120 is disposed at an end of the liquid inlet pipe 110 away from the liquid inlet female joint 111, and the liquid inlet hole 1211 is disposed in the first connecting cylinder 120 and communicates with the liquid inlet passage 112.
The liquid inlet member 100 has a liquid inlet pipe 110 at one end for introducing liquid and a first connecting cylinder 120 at the other end for connecting the liquid outlet member 200. The liquid inlet pipe 110 is provided with a liquid inlet female connector 111 to connect the male connector. Liquid enters the liquid inlet female joint 111 from an external male joint, flows through the liquid inlet channel 112 and flows to the liquid inlet hole 1211. The arrangement of the liquid inlet female joint 111 can be facilitated by arranging the liquid inlet pipe 110, so that the whole structure of the liquid inlet member 100 is simpler. Meanwhile, the first connecting cylinder 120 is arranged, so that the connection and conduction with the liquid outlet piece 200 can be facilitated, the whole mounting structure is simple and convenient, and the operation and the use of a user are facilitated.
In addition, it should be noted that the liquid inlet passage 112 may be straight-through tubular or curved to meet the installation requirements of different devices.
Further, referring to fig. 4 and 5 in combination, in an embodiment of the present application, the first connection cylinder 120 includes a first plate-shaped body 121 and an enclosing plate 122. The first plate-shaped body 121 is disposed at an end of the liquid inlet pipe 110 away from the liquid inlet female joint 111, and the liquid inlet hole 1211 is disposed on the first plate-shaped body 121. The surrounding plate 122 is disposed on a surface of the first plate-shaped body 121 away from the liquid inlet pipe 110, and the surrounding plate 122 and the first plate-shaped body 121 enclose to form the first connecting cylinder 120.
The first plate-shaped body 121 is arranged at one end of the liquid inlet pipe 110, which is far away from the liquid inlet female joint 111. By providing the first plate-like body 121, the structure can be simplified, and the production and manufacturing can be facilitated. The surrounding plate 122 is provided on one surface of the first plate-like body 121. Through setting up bounding wall 122, can make things convenient for first connecting cylinder 120 to be connected with second connecting cylinder 210 for whole mounting structure is comparatively simple and convenient, the equipment of being convenient for.
With further combined reference to fig. 3, 4 and 5, the peripheral edge of the first plate-like body 121 protrudes from the outer peripheral surface of the first connecting cylinder 120 to form a limit boss 1212. The plurality of liquid inlet holes 1211 are annularly arranged. An indication arrow 113 is protruded on the outer surface of the liquid inlet pipe 110 facing away from the circumferential direction of the liquid inlet passage 112, and the indication arrow 113 is used for indicating the liquid flowing direction, thereby facilitating the user identification. The inlet female joint 111 and the outlet female joint 221 are provided with external threads for connection with a male joint to facilitate threaded connection. A chamfer is arranged between the coaming 122 and the limit boss 1212, so that the installation is more convenient and faster.
The liquid inlet piece 100 is connected with the liquid outlet piece 200 in an inserted manner, the limiting boss 1212 limits one axial end direction of the liquid outlet piece 200 to position the liquid outlet piece 200, and the liquid inlet piece 100 is connected with the liquid outlet piece 200 in an interference manner through the chamfer between the surrounding plate 122 and the limiting boss 1212, so that the liquid inlet piece 100 is firmly connected with the liquid outlet piece 200. Through setting up spacing boss 1212 and chamfer, can be so that the overall structure of feed liquor piece 100 is simpler, makes whole connection structure reliable and stable, convenient production and equipment.
Further, the number of the liquid inlet holes 1211 is 3, and the liquid inlet holes are annularly arranged. By providing 3 liquid inlet holes 1211 arranged in a ring shape, not only the liquid resistance can be reduced, the liquid can be easily circulated, but also the liquid conveying efficiency can be effectively improved. Meanwhile, the strength of the first plate-shaped body 121 is also enhanced, so that the structure of the first plate-shaped body 121 is more stable and reliable. Of course, in other embodiments, the number of the liquid inlet 1211 can be 1, 2, 4, 5, 6, 8, 10, etc.
The inlet female connector 111 and the outlet female connector 221 are female luer connectors with external threads, and can be connected with male luer connectors. Through so setting up, can make things convenient for user's dismouting. Of course, the present application is not limited thereto, and other reasonable and effective female connectors may be adopted in other embodiments, such as: a female snap-fit joint, a female quick-change joint, a female flared joint, a female ferrule-type joint, etc.
Referring to fig. 3 to 5, in an embodiment of the present application, the liquid outlet member 200 includes a liquid outlet pipe 220 and a second connecting cylinder 210. Wherein, the liquid outlet pipe 220 is provided with a liquid outlet channel 222, and one end of the liquid outlet pipe 220 is provided with a liquid outlet female joint 221. The second connecting cylinder 210 is arranged at one end of the liquid outlet pipe 220 departing from the liquid outlet female joint 221, the liquid outlet hole 2111 is arranged at the second connecting cylinder 210, and the first connecting cylinder 120 and the second connecting cylinder 210 are connected and enclose to form a cavity.
The liquid outlet member 200 has a liquid outlet pipe 220 at one end for guiding out the liquid, and a second connecting cylinder 210 at the other end for connecting to the liquid inlet member 100. The liquid outlet pipe is provided with a liquid outlet female joint 221 for connecting the male joint. The first connector barrel 120 and the second connector barrel 210 are connected and enclose a cavity to receive the sealing member 300. Through the design, the whole structure of the liquid outlet piece 200 is simpler, and the operation and the use of a user are facilitated.
In addition, it should be noted that the liquid outlet channel 222 is similar to the liquid inlet channel, and may be a straight tubular channel or a curved channel to meet the installation requirements of different devices.
Further, referring to fig. 4 and 5 in combination, the second connecting cylinder 210 includes a second plate-shaped body 211, an inner side plate 212 and an outer side plate 213, the second plate-shaped body 211 is disposed at an end of the liquid outlet pipe 220 facing away from the liquid outlet female connector 221, and the liquid outlet holes 2111 are disposed in the second plate-shaped body 211. The inner side plate 212 is arranged on the surface of the second plate-shaped body 211 facing away from the liquid outlet pipe 220. Outer side plate 213 is disposed on a surface of second plate-like body 211 facing away from outlet pipe 220, and surrounds inner side plate 212. The inner plate 212 and the outer plate 213 form a mating groove 21a therebetween, and the shroud 122 is mated with the mating groove 21a.
The second connector barrel 210 is divided into a second plate-shaped body 211, an inner plate 212, and an outer plate 213, and the inner plate 212 and the outer plate 213 are provided commonly on the surface of the second plate-shaped body 211. The outer plate 213 surrounds the inner plate 212, and an insertion groove 21a is formed between the inner plate 212 and the outer plate 213, so that the enclosing plate 122 is inserted into the insertion groove 21a, thereby facilitating the connection between the liquid inlet member 100 and the liquid outlet member 200.
It can be understood that the connection mode can be simplified by inserting the enclosing plate 122 of the first connecting cylinder 120 into the inserting groove 21a of the second connecting cylinder 210, so that the installation is simple and the connection is reliable. The installation mode can be integrated fixed connection or detachable connection. Of course, the present application is not limited thereto, and in other embodiments, the connection manner of the liquid inlet 100 and the liquid outlet 200 may adopt a snap connection, an ultrasonic welding, an adhesive connection, a threaded connection, and the like.
Referring to fig. 2, 4 and 5 in combination, in an embodiment of the present application, seal 300 includes a resilient seal plate 310 and a mounting plate 320. The liquid passing hole 311 is provided in the elastic sealing plate 310. The mounting plate 320 is disposed on a surface of the elastic sealing plate 310 facing away from the first connecting cylinder 120, and the liquid passing hole 311 penetrates the mounting plate 320.
The sealing member 300 is divided into an elastic sealing plate 310 and a mounting plate 320, and is located at both end surfaces of the sealing member 300, respectively. A liquid passing hole 311 may be provided at the center of the sealing member 300 to conduct liquid. When the external liquid is inputted from the liquid inlet member 100, it flows into the cavity of the liquid inlet member 100 through the liquid inlet hole 1211. The liquid is gathered in the cavity of the liquid inlet member 100, and the liquid presses the elastic sealing plate 310 of the sealing member 300, so that the elastic sealing plate 310 is deformed, thereby opening the liquid passing hole 311 to conduct the liquid. When external liquid is inputted from the outlet member 200, it flows into the cavity of the outlet member 200 through the outlet holes 2111. The liquid is collected in the cavity of the liquid outlet member 200. In the cavity of the liquid inlet member 100, the liquid pressure is not enough to maintain the deformation of the elastic sealing plate 310, so that the elastic sealing plate 310 is restored to the original state, and the liquid passing hole 311 is closed, thereby blocking the liquid. By providing the elastic sealing plate 310, the elastic deformation of the sealing member 300 can be stabilized and secured. Further, the installation plate 320 is provided, so that the seal 300 can be easily installed and the structure can be simplified. In addition, the liquid passing hole 311 is provided, which not only can effectively control the blocking or conducting of the liquid, but also can simplify the overall structure of the sealing member 300 and facilitate the production.
Further, with reference to fig. 4 and 5, a first boss 312 is convexly provided on a surface of the elastic sealing plate 310 facing the first connecting cylinder 120, a plurality of pads 3121 are provided on a surface of the first boss 312 facing the first connecting cylinder 120, the pads 3121 are annularly arranged, and a blocking groove 313 is concavely provided in a center of the first boss 312.
The sealing member 300 is provided with a first boss 312, the first boss 312 is provided with a cushion block 3121, and the first boss 312 can be arranged in a ring-shaped row, so that the elastic deformation part of the elastic sealing plate 310 is not adhered to the liquid inlet member 100, thereby allowing the elastic sealing plate 310 to be easily elastically deformed. The center of the first boss 312 may be concavely provided with a blocking groove 313 to cooperate with the sealing member 300 to control the interruption or conduction of the liquid. It can be understood that the 6 cushion blocks 3121 can effectively prevent the adhesion of the members due to the liquid. Of course, the present application is not limited thereto, and in other embodiments, 1, 3, 4, 5, 6, 10, etc. may be provided for the cushion block 3121.
Further, with reference to fig. 4 and 5, a blocking block 1214 is convexly disposed on a surface of the first plate-shaped body 121 facing away from the female liquid inlet joint 111, an annular blocking convex ring 1214a is convexly disposed on a surface of the blocking block 1214 facing away from the female liquid inlet joint 111, and the annular blocking convex ring 1214a tightly presses the blocking groove 313, so that the blocking block 1214 blocks the liquid passing hole 311.
When the external liquid is inputted from the liquid inlet member 100, it flows into the cavity of the liquid inlet member 100 through the liquid inlet hole 1211. The liquid is gathered in the cavity of the liquid inlet member 100, and the liquid presses the elastic sealing plate 310 of the sealing member 300 to deform the elastic sealing plate 310, so that the blocking groove 313 is separated from the blocking block 1214, and the liquid passing hole 311 is opened to conduct the liquid. By arranging the blocking block 1214, the blocking and the conduction of the liquid passing hole 311 can be effectively controlled, thereby realizing the unidirectional conduction of the liquid.
Further, the end face of the block 1214 may be provided with an annular block bead 1214a, so that the contact area of the block 1214 with the block groove 313 is reduced, thereby making it easier for the block 1214 to separate from the block groove 313 when liquid is input from the liquid inlet member 100. When backflow occurs, the contact pressure between the blocking block 1214 and the blocking groove 313 is increased, the sealing effect is improved, and the reliability of backflow prevention is improved. By arranging the annular blocking convex ring 1214a, the liquid passing hole 311 can be quickly responded and effectively opened, the sealing performance can be improved, and the liquid blocking is more reliable. Of course, the present application is not limited thereto, and in other embodiments, the radial surface of the blocking block 1214 may be attached to the radial surface of the liquid passing hole 311 to achieve a sealing effect, so as to block the liquid. Similarly, the annular blocking convex ring 1214a of the blocking block 1214 can also be arranged in the radial direction of the blocking block 1214, or the radial hole wall of the liquid passing hole 311 can be provided with the annular blocking convex ring 1214a, or the blocking block 1214 can be radially provided with the annular blocking ring 1214a and a groove is radially arranged in the liquid passing hole 311, so as to improve the sealing effect.
Further, referring to fig. 4 and 5 in combination, a liquid accumulation groove 323 may be disposed on a surface of the mounting plate 320 facing away from the first connecting cylinder 120, the liquid accumulation groove 323 is located between the sealing ring body 321 and the second boss 322, and when the liquid flows back, the liquid accumulation groove 323 is easy to accumulate the liquid, so that the elastic sealing plate 310 is restored, and the liquid passing hole 311 is closed. By providing the liquid accumulation groove 323, the liquid passing hole 311 can be closed quickly and efficiently, and occurrence of backflow can be reliably avoided.
Referring to fig. 4 and 5 together, in an embodiment of the present application, a surface of the first plate-like body 121 facing away from the female liquid inlet connector 111 is convexly provided with a limiting step 1213, and the limiting step 1213 abuts against the elastic sealing plate 310. First plate-like body 121 is provided with a limit step 1213 to abut against mounting plate 320 of seal 300 to assemble seal 300. Through the arrangement, the sealing element 300 can be more stable and reliable after being installed, and the assembling of the female adapter 1000 is facilitated.
Further, referring to fig. 4 and 5 in combination, a surface of the mounting plate 320 facing away from the first connecting cylinder 120 is provided with a second boss 322 in a protruding manner. The surface of the first plate-like body 121 facing away from the female inlet connector 111 is provided with a ring groove 1215, the ring groove 1215 is located between the limiting step 1213 and the blocking block 1214, and the ring groove 1215 receives the first boss 312 to assemble the sealing element 300. Through the above arrangement, the assembly of the female adapter 1000 can be facilitated.
With combined reference to fig. 4 and 5, in an embodiment of the present application, a surface of the mounting plate 320 facing away from the first connecting cylinder 120 is convexly provided with a sealing ring body 321, and a circumferential surface of the sealing ring body 321 is closely attached to a radial surface of the inner side plate 212. The surface of the mounting plate 320 is convexly provided with a sealing ring body 321, and the circumferential surface of the sealing ring body 321 is tightly attached to the radial surface of the inner side plate 212, so that the sealing effect is achieved. The surface of the sealing ring body 321 departing from the first connecting cylinder 120 is convexly provided with a sealing ring 3211, and the sealing ring 3211 is attached to the surface of the second plate-shaped main body 211 departing from the liquid outlet female joint 221, so that a sealing effect is achieved. It can be understood that, through the above arrangement, not only the sealing effect is more stable and reliable after the sealing element 300 is installed, but also the whole structure of the whole female adapter 1000 is simple, and the production and the assembly are convenient.
Further, referring to fig. 5, the liquid outlet holes 2111 have a gradually decreasing aperture in the liquid outlet direction, so that the liquid resistance is decreased, and the liquid flow is smoother. It can be understood that the liquid delivery efficiency can be effectively improved by providing the liquid outlet holes 2111 in the form of gradually changing holes.
The utility model discloses still provide an infusion set, this infusion set include the feed liquor male joint, go out liquid male joint and female crossover sub 1000, and above-mentioned embodiment is referred to this female crossover sub 1000's concrete structure, because this 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, no longer gives unnecessary details here. Wherein, the liquid inlet male joint is connected to the liquid inlet female joint 111 and communicated with the liquid inlet channel 112. The liquid outlet male joint is connected to the liquid outlet female joint 221 and communicated with the liquid outlet channel 222.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, 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 female adapter, comprising:
the liquid inlet piece is provided with a liquid inlet female joint and a liquid inlet hole;
the liquid outlet piece is connected with the liquid inlet piece, a cavity is formed between the liquid outlet piece and the liquid inlet piece, the liquid outlet piece is provided with a liquid outlet hole, and the liquid outlet piece is provided with a liquid outlet female joint; and
and the sealing element is arranged in the cavity to block or conduct liquid, so that the two male connector pipelines can be connected in a one-way conduction mode.
2. The female adapter coupling according to claim 1, wherein said inlet member comprises:
the liquid inlet pipe is provided with a liquid inlet channel, and one end of the liquid inlet pipe is provided with the liquid inlet female joint; and
the first connecting cylinder is arranged at one end, deviating from the liquid inlet pipe, of the liquid inlet female joint, the liquid inlet hole is formed in the first connecting cylinder and communicated with the liquid inlet channel.
3. The female adapter coupling of claim 2, wherein said first connecting cylinder comprises:
the first plate-shaped main body is arranged at one end of the liquid inlet pipe, which is far away from the liquid inlet female joint, and the liquid inlet hole is formed in the first plate-shaped main body; and
the coaming is arranged on the surface, deviating from the liquid inlet pipe, of the first plate-shaped main body, and the coaming and the first plate-shaped main body are encircled to form the first connecting cylinder.
4. The female adapter according to claim 3, wherein a peripheral edge of said first plate-like body protrudes from an outer peripheral surface of said first connecting cylinder to form a limit projection;
and/or the number of the liquid inlet holes is multiple, and the liquid inlet holes are annularly arranged;
and/or an indication arrow is convexly arranged on the outer surface of the liquid inlet pipe, which is deviated from the circumferential direction of the liquid inlet channel, and the indication arrow is used for indicating the flowing direction of liquid;
and/or the liquid inlet female joint and the liquid outlet female joint are provided with external threads for connecting with a male joint;
and/or a chamfer is arranged between the coaming and the limiting boss.
5. The female adapter as claimed in claim 3, wherein said liquid outlet member comprises:
the liquid outlet pipe is provided with a liquid outlet channel, and one end of the liquid outlet pipe is provided with a liquid outlet female joint; and
the second connecting cylinder is arranged at one end, deviating from the liquid outlet pipe, of the liquid outlet female joint, the liquid outlet hole is formed in the second connecting cylinder, and the first connecting cylinder and the second connecting cylinder are connected and enclose to form a cavity.
6. The female adapter coupling of claim 5, wherein said second connector barrel comprises:
the second plate-shaped main body is arranged at one end, deviating from the liquid outlet female joint, of the liquid outlet pipe, and the liquid outlet hole is formed in the second plate-shaped main body;
the inner side plate is arranged on the surface, departing from the liquid outlet pipe, of the second plate-shaped main body; and
the outer side plate is arranged on the surface, deviating from the liquid outlet pipe, of the second plate-shaped main body and surrounds the inner side plate, an insertion groove is formed between the inner side plate and the outer side plate, and the enclosing plate is inserted into the insertion groove.
7. The female adapter coupling of claim 6, wherein said seal comprises:
the elastic sealing plate is provided with a liquid passing hole; and
the mounting panel is located the surface that deviates from of elastic sealing plate the first connecting cylinder, it link up to cross the liquid hole the mounting panel.
8. The female adapter according to claim 7, wherein a first boss is protruded from a surface of said elastic sealing plate facing said first connecting cylinder, a plurality of pads are disposed on a surface of said first boss facing said first connecting cylinder, said pads are arranged in a ring shape, and a blocking groove is concavely disposed in a center of said first boss.
9. The female adapter according to claim 8, wherein a surface of said first plate-like body facing away from said female inlet connector is convexly provided with a blocking block, and a surface of said blocking block facing away from said female inlet connector is convexly provided with an annular blocking convex ring, said annular blocking convex ring tightly presses against said blocking groove, so that said blocking block blocks said liquid through hole;
and/or a limiting step is convexly arranged on the surface of the first plate-shaped main body, which is far away from the liquid inlet female joint, and the limiting step is propped against the elastic sealing plate;
and/or a second boss is convexly arranged on the surface of the mounting plate, which is far away from the first connecting cylinder;
and/or a sealing ring body is convexly arranged on the surface of the mounting plate, which is far away from the first connecting cylinder, and the circumferential surface of the sealing ring body is tightly attached to the radial surface of the inner side plate;
and/or the diameter of the liquid outlet hole is gradually reduced in the liquid outlet direction.
10. An infusion device comprising the female adapter of any one of claims 1-9, the infusion device further comprising:
the liquid inlet male connector is connected to the liquid inlet female connector and is communicated with a liquid inlet channel of the liquid inlet female connector; and
and the liquid outlet male connector is connected with the liquid outlet female connector and is communicated with the liquid outlet channel of the liquid outlet female connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253535.1U CN217697650U (en) | 2021-06-04 | 2021-06-04 | Female adapter and infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253535.1U CN217697650U (en) | 2021-06-04 | 2021-06-04 | Female adapter and infusion device |
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| Publication Number | Publication Date |
|---|---|
| CN217697650U true CN217697650U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121253535.1U Active CN217697650U (en) | 2021-06-04 | 2021-06-04 | Female adapter and infusion device |
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| CN (1) | CN217697650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274636A (en) * | 2021-06-04 | 2021-08-20 | 深圳安特医疗股份有限公司 | Female adapter and infusion device |
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2021
- 2021-06-04 CN CN202121253535.1U patent/CN217697650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274636A (en) * | 2021-06-04 | 2021-08-20 | 深圳安特医疗股份有限公司 | Female adapter and infusion device |
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