Quick connector and infusion pipeline

Abstract

According to the quick connector and the infusion pipeline, a liquid inlet end and a liquid outlet end of the quick connector are connected in a pluggable mode, when infusion needs to be interrupted or infusion starts, screwing is not needed, and the liquid outlet end can be pulled out of the liquid inlet end or inserted into the liquid inlet end. The plug-in connection mode greatly facilitates interruption and communication of the infusion pipeline, and avoids the phenomenon that the pipeline is easy to knot due to the fact that the connector is connected with the infusion pipeline in a screwing mode in the prior art. Moreover, gaskets are arranged at the liquid inlet end and the liquid outlet end, the possibility of liquid leakage in the infusion process is reduced, a first fool-proof part is arranged on the inner wall of the first sleeve, a second fool-proof part is arranged on the outer wall of the liquid outlet end, and fool-proof installation of the liquid inlet end and the liquid outlet end is achieved through matched connection of the first fool-proof part and the second fool-proof part. The liquid outlet end can be conveniently inserted into the liquid inlet end, and the use convenience of the infusion pipeline is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relates to a quick coupling and infusion pipeline. BACKGROUND

[0002] At present, infusion pipeline is more widely used in medical industry for patient infusion, and the existing infusion pipeline is usually connected by multiple infusion pipes, adjacent infusion pipes are connected through a joint, and the joint is connected with the infusion pipeline by screwing during use, however, since the infusion pipe is soft, the screwing mode is easy to cause the infusion pipe to be knotted, and more seriously, the infusion pipe is blocked, which brings great inconvenience to the use of patients. SUMMARY

[0003] In view of the defects of the prior art, the utility model discloses a quick coupling, which aims to solve the technical problem that the joint and the infusion pipe are connected by screwing in the prior art, which is easy to cause the infusion pipe to be knotted.

[0004] The utility model discloses a quick coupling, including liquid inlet end, liquid outlet end, liquid inlet end and liquid outlet end insert joint connection and the connecting place of liquid inlet end and liquid outlet end is equipped with the gasket, liquid inlet end includes: first sleeve, first liquid inlet pipe, first sleeve sleeve connection is in the outside of first liquid inlet pipe, and first liquid inlet pipe is equipped with first passageway in, and the end of first liquid inlet pipe is equipped with liquid inlet, liquid outlet end is inserted in first liquid inlet pipe and is equipped with second passageway in the inside of liquid outlet end, when liquid outlet end is inserted in liquid inlet end, first passageway and second passageway are connected, the inner wall of first sleeve is equipped with first foolproof part, and the outer wall of liquid outlet end is equipped with the second foolproof part that is matched with first foolproof part.

[0005] Among them, the first foolproof part includes a plurality of first ribs arranged along the length direction, the first ribs are protruded on the inner wall of the first sleeve and symmetrically arranged up and down, and the side of the first rib away from the first sleeve is flushly arranged, the second foolproof part includes a plurality of second ribs, the second ribs are protruded on the outer wall of the liquid outlet end and symmetrically arranged up and down, and the side of the second rib away from the liquid outlet end is flushly arranged, when the liquid outlet end is inserted into the liquid inlet end, the first rib and the second rib are in abutment.

[0006] The first sleeve includes a cylinder and a cover plate, the cover plate is arranged on one end of the cylinder, the first sleeve is arranged on the outer side of the first liquid inlet pipe, and the first foolproof part is arranged on the inner wall of the cylinder.

[0007] Among them, the cylinder includes a first opening, the first opening is arranged on the end of the cylinder away from the cover plate, the end of the first liquid inlet pipe away from the liquid inlet is arranged in the interior of the cylinder, and the liquid outlet end is inserted in the first opening, the side wall of the cylinder is provided with a clamping port.

[0008] Specifically, the liquid outlet end comprises a second connecting pipe, a clamping piece and a ring-shaped abutting plate, the ring-shaped abutting plate is protruded on the outer circumferential wall of the second connecting pipe and surrounds the second connecting pipe, and the clamping piece is arranged outside the end of the second connecting pipe away from the ring-shaped abutting plate and is clamped in the clamping port.

[0009] Specifically, the second connecting pipe comprises a plug-in pipe and a connecting pipe, the plug-in pipe is arranged opposite to the connecting pipe and is communicated with the connecting pipe, and the ring-shaped abutting plate is arranged on the side close to the plug-in pipe,

[0010] The clamping piece comprises a pressing piece and a clamping hook, one end of the clamping hook is connected with the second connecting pipe, and the pressing piece is arranged on the side of the clamping hook away from the second connecting pipe.

[0011] The outer diameter of the plug-in pipe is matched with the inner diameter of the first liquid inlet pipe, and the gasket is wrapped outside the second connecting pipe and one end of the gasket abuts against the ring-shaped abutting plate.

[0012] Preferably, the outer wall of the barrel is provided with an anti-skid part.

[0013] The utility model discloses still one kind of infusion pipeline, including straight-through check valve, male check valve, female connector and the quick connector as described above, and the quick connector, straight-through check valve, male check valve are sequentially communicated by pipeline, and female connector and male check valve are detachably connected.

[0014] The utility model discloses a kind of quick connector and infusion pipeline, wherein, quick connector is connected by setting liquid inlet end and liquid outlet end plug-in, when needing to interrupt infusion or start infusion, without screwing, it can be inserted into liquid inlet end or pulled out from liquid inlet end by liquid outlet end, this kind of plug-in connection mode greatly facilitates the interruption and intercommunication of infusion pipeline, avoids the phenomenon that pipeline knotting is easily occurred in relevant technology by screwing mode connecting connector and infusion pipeline;Moreover, in the present technology, by setting gasket in liquid inlet end and liquid outlet end, the possibility of leakage in use is reduced, by setting first foolproof part on the inner wall of first sleeve and second foolproof part on the outer wall of liquid outlet end, by the cooperation of first foolproof part and second foolproof part, to realize the foolproof installation of liquid inlet end and liquid outlet end, when liquid outlet end is inserted into liquid inlet end, it is convenient to install alignment, effectively improve the use convenience of infusion pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in embodiment description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying innovative labor.

[0016] Figure 1The whole structure schematic diagram of the quick connector is disclosed in the embodiment of the utility model.

[0017] Figure 2 The cross-sectional view of the quick connector is disclosed in the embodiment of the utility model.

[0018] Figure 3 The structure schematic diagram of the liquid inlet end is disclosed in the embodiment of the utility model.

[0019] Figure 4 The structure schematic diagram of the liquid outlet end is disclosed in the embodiment of the utility model.

[0020] Figure 5 The connection structure diagram of the quick connector and the infusion pipeline is disclosed in the embodiment of the utility model.

[0021] Signs:

[0022] 100, quick connector; 200, male one-way valve; 300, female connector; 400, infusion pipe; 500, straight-through one-way valve; 1, liquid inlet end; 11, first sleeve; 111, first fool-proof part; 1111, first convex strip; 112, barrel; 1121, first opening; 1122, anti-skid part; 113, cover plate; 114, clamping interface; 12, first liquid inlet pipe; 121, first channel; 122, liquid inlet; 2, liquid outlet end; 21, second connecting pipe; 211, second fool-proof part; 2111, second convex strip; 212, connecting pipe; 2121, second channel; 213, plug-in pipe; 22, clamping piece; 221, pressing piece; 222, clamping hook; 23, annular abutting plate; 3, gasket; DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] It should be understood that, when used in the description and the appended claims, the terms "comprise" and "include" indicate the presence of described features, integers, steps, operations, elements, and or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and or sets thereof.

[0025] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0026] It should also be further understood that the terms "and" and "or" as used in this specification and the appended claims refer to any combination of one or more of the associated listed items and all possible combinations, and include such combinations.

[0027] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

[0028] This utility model discloses a quick connector, such as Figures 1-4 As shown, it includes an inlet end 1 and an outlet end 2, which are connected by an insertion joint, and a gasket 3 is provided at the connection between the inlet end 1 and the outlet end 2. The inlet end 1 includes a first sleeve 11 and a first inlet pipe 12. The first sleeve 11 is sleeved on the outside of the first inlet pipe 12. The first sleeve 11 can be a cylindrical sleeve, a square sleeve, or a polygonal sleeve. In this embodiment, the first sleeve 11 is a cylindrical sleeve. The first inlet pipe 12 has a first channel 121 inside. In this embodiment, the first channel 121 has a tapered channel to better accommodate the outlet end 2. The end of the first inlet pipe 12 has an inlet port 1. 22; The outlet end 2 is inserted into the first inlet pipe 12 and the outlet end 2 is provided with a second channel 2121. When the outlet end 2 is inserted into the inlet end 1, the first channel 121 and the second channel 2121 are connected. The inner wall of the first sleeve 11 is provided with a first anti-fool part 111, and the outer wall of the outlet end 2 is provided with a second anti-fool part 211 that is compatible with the first anti-fool part 111. The position of the first anti-fool part 111 corresponds to the second anti-fool part 211. By setting the first anti-fool part 111 and the second anti-fool part 211, it is easy to install and align the outlet end 2 when it is inserted into the inlet end 1, so as to realize the foolproof installation of the inlet end 1 and the outlet end 2.

[0029] The first fool-proof part 111 comprises a plurality of first protrusions 1111 arranged along the length direction of the first sleeve 11, the first protrusions 1111 are protruded on the inner wall of the first sleeve 11 and symmetrically arranged up and down, the side of the first protrusions 1111 away from the first sleeve 11 is flush arranged; the second fool-proof part 211 comprises a plurality of second protrusions 2111, the second protrusions 2111 are protruded on the outer wall of the liquid outlet 2 and symmetrically arranged up and down, the side of the second protrusions 2111 away from the liquid outlet is flush arranged, the position of the second protrusions 2111 corresponds to the first protrusions 1111; when the liquid outlet 2 is inserted into the liquid inlet 1, the first protrusions 1111 and the second protrusions 2111 abut, which can realize the fool-proof installation of the liquid inlet 1 and the liquid outlet 2.

[0030] Specifically, the first sleeve 11 comprises a barrel 112 and a cover plate 113, the cover plate 113 is arranged on one end of the barrel 112, the cover plate 113 is provided with a first through hole, the first liquid inlet pipe 12 is arranged through the first through hole and fixedly connected with the cover plate 113, the barrel 112 is arranged outside the first liquid inlet pipe 12, and the first fool-proof part 111 is arranged on the inner wall of the barrel 112.

[0031] Specifically, the barrel 112 comprises a first opening 1121, the first opening 1121 is arranged on the end of the barrel 112 away from the cover plate 113, the end of the first liquid inlet pipe away from the liquid inlet 122 is arranged inside the barrel 112, and the liquid outlet is arranged at the first opening 1121; the side wall of the barrel 112 is further provided with a clamping port 114, in the embodiment, the number of the clamping port 114 is two, and the two clamping ports 114 are symmetrically arranged on the side wall of the barrel 112.

[0032] The liquid outlet end 2 comprises a second connecting pipe 21, a clamping piece 22, and a ring-shaped abutting plate 23. The ring-shaped abutting plate 23 is protruded from the outer circumferential wall of the second connecting pipe 21 and surrounds the second connecting pipe 21. In this embodiment, the shape of the ring-shaped abutting plate 23 is matched with the shape of the inner wall of the first sleeve 11 provided with the first anti-fumbling part 111, so that when the liquid outlet end 2 is inserted into the liquid inlet end 1, the ring-shaped abutting plate 23 abuts against the first anti-fumbling part 111 and the inner wall of the first sleeve 11. The clamping piece 22 is arranged outside the end of the second connecting pipe 21 away from the ring-shaped abutting plate 23. The clamping piece 22 is symmetrically arranged outside the second connecting pipe 21. The clamping piece 22 is clamped in the clamping port 114. The position and number of the clamping piece 22 correspond to the clamping port 114. The clamping piece 22 is used to cooperate with the clamping port 114, so that the liquid outlet end 2 can be clamped with the liquid inlet end 1 after being inserted into the liquid inlet end 1. The clamping piece 22 can have various structures. For example, the clamping piece 22 can be a structure with a clamping hook. The clamping hook is limitedly matched with the clamping port 114, so as to realize the clamping of the liquid outlet end 2 and the liquid inlet end 1. Alternatively, the clamping piece 22 can be a structure with a protrusion. The protrusion is limitedly matched with the clamping port 114, so as to realize the clamping of the liquid outlet end 2 and the liquid inlet end 1. The second protruding strip 2111 is protruded from the outer wall of the second connecting pipe 21 and one end of the second protruding strip 2111 is connected to the ring-shaped abutting plate 23.

[0033] Specifically, the second connecting pipe 21 comprises an insertion pipe 213 and a connecting pipe 212. The insertion pipe 213 and the connecting pipe 212 are oppositely arranged and are in communication. When the liquid outlet end 2 is connected to the liquid inlet end 1, the insertion pipe 213 is inserted into the first liquid inlet pipe 12. The insertion pipe 213 has a taper. The cross-sectional area of the insertion pipe 213 gradually decreases from the end away from the first liquid inlet pipe 12 to the end close to the first liquid inlet pipe 12, so as to facilitate the insertion of the insertion pipe 213 into the first liquid inlet pipe 12. The ring-shaped abutting plate 23 is arranged on the side close to the insertion pipe 213. The insertion pipe 213 is inserted into the cylinder 112 from the first opening 1121 until the insertion pipe 213 is inserted into the first liquid inlet pipe 12. At this time, the ring-shaped abutting plate 23 abuts against the first anti-fumbling part 111 and the inner wall of the first sleeve 11.

[0034] In this embodiment, the clamping piece 22 comprises a pressing piece 221 and a clamping hook 222. One end of the clamping hook 222 is connected to the second connecting pipe 21. Specifically, the clamping hook 222 is arranged at a certain angle with the second connecting pipe 21. The clamping hook 222 can be made of a semi-rigid material and has a certain flexibility and ductility. The pressing piece 221 is arranged on the side of the clamping hook 222 away from the second connecting pipe 21. When the pressing piece 221 is pressed, the clamping hook 222 will be deformed. The clamping hook 222 is close to or away from the second connecting pipe 21, so that the clamping hook 222 is separated from the clamping port 114 or clamped in the clamping port 114.

[0035] Specifically, the outer diameter of the plug-in pipe 213 is matched with the inner diameter of the first liquid inlet pipe 12, so that when the plug-in pipe 213 is plugged into the liquid inlet end 1, the plug-in pipe 213 is inserted into the inside of the first liquid inlet pipe 12 and tightly fits, at this time, the annular abutting plate 23 abuts against the inner wall of the barrel 112, so that the second connecting pipe 21 is limited in the first sleeve 11, and the tightness of the cooperation between the second connecting pipe 21 and the barrel 112 is enhanced, preventing the second connecting pipe 21 from being loose or shaking after being inserted into the first liquid inlet pipe 12, the gasket 3 is wrapped outside the second connecting pipe 21, and one end of the gasket 3 abuts against the annular abutting plate 23, after the plug-in pipe 213 is inserted into the first liquid inlet pipe 12, the gasket 3 is located at the connection between the second connecting pipe 21 and the first liquid inlet pipe 12, in this embodiment, the gasket 3 is fixed on the outer side wall of the plug-in pipe 213 through the process of encapsulation, which can prevent the gasket 3 from falling and further prevent liquid leakage.

[0036] The outer wall of the barrel 112 is also provided with an anti-skid part 1122, specifically, the anti-skid part 1122 is an anti-skid groove, two anti-skid grooves are symmetrically recessed on the outer wall of the barrel 112, and in use, the user holds the anti-skid groove to operate.

[0037] The utility model discloses still disclose a kind of infusion pipeline, as shown in Figure 5 The utility model discloses still disclose a kind of infusion pipeline, as shown in

[0038] Specific implementation, infusion bottle is connected with liquid inlet 122 by infusion tube 400, connecting pipe 212, infusion tube 400, straight-through one-way valve 500, infusion tube 400, male one-way valve 200, female joint 300, infusion tube 400, patient end are sequentially connected, when needing to suspend infusion, press presser 221, clamping hook 222 is deformed and close to second connecting pipe 21, clamping hook 222 is separated from clamping port 114, and liquid outlet end 2 is pulled out from liquid inlet end 1, to suspend infusion, using infusion clamp can interrupt the flow of liquid between infusion bottle and quick connector 100, straight-through one-way valve 500 and male one-way valve 200 are arranged in quick connector 100 and infusion tube 400 of patient end, to prevent the backflow of liquid in infusion tube 400;If continuing infusion, liquid outlet end 2 is inserted into liquid inlet end 1, press presser 221 again, clamping hook 222 is deformed and clamped in clamping port 114, to realize pipeline communication and locking.

[0039] The utility model discloses a quick -operation joint and infusion pipeline, wherein, quick -operation joint includes liquid inlet end, liquid outlet end, washer, and is connected with the plug -in type of liquid inlet end through setting liquid inlet end and liquid outlet end, when needing to interrupt infusion or starting infusion, need not screw, and liquid outlet end is pulled out from liquid inlet end or liquid outlet end is inserted into liquid inlet end, and this kind of plug -in type connection mode greatly facilitates the interruption and intercommunication of infusion pipeline, avoids the phenomenon of the pipeline knotting of the connector and infusion pipeline in related art and is connected by screwing mode, not only this, in the technology, the washer is set in liquid inlet end and liquid outlet end, reduces the possibility of liquid leakage in the infusion process, sets up the first anti -fool part in the inner wall of the first sleeve, and the outer wall of liquid outlet end sets up the second anti -fool part, and the cooperation and connection of first anti -fool part and second anti -fool part are used to realize the anti -fool type installation of liquid inlet end and liquid outlet end, and liquid outlet end is inserted into liquid inlet end, effectively improve the use convenience of infusion pipeline.

[0040] The above is only the specific embodiment of the present application, but the protection scope of the present application is not limited to this, and any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A quick connector characterized by, The quick connector comprises a liquid inlet end and a liquid outlet end, the liquid inlet end and the liquid outlet end are connected by insertion, and a gasket is arranged at the connection between the liquid inlet end and the liquid outlet end; the liquid inlet end comprises a first sleeve and a first liquid inlet pipe, the first sleeve is sleeved on the outside of the first liquid inlet pipe, a first channel is arranged in the first liquid inlet pipe, and an inlet is arranged at the end of the first liquid inlet pipe; the liquid outlet end is inserted into the first liquid inlet pipe and is internally provided with a second channel, and when the liquid outlet end is inserted into the liquid inlet end, the first channel and the second channel are in communication; the inner wall of the first sleeve is provided with a first foolproof part, and the outer wall of the liquid outlet end is provided with a second foolproof part matched with the first foolproof part.

2. The quick connector of claim 1, wherein The first foolproof part comprises a plurality of first protrusions arranged along the length direction of the first foolproof part, the first protrusions are protruded on the inner wall of the first sleeve and are symmetrically arranged upward and downward, and the side of the first protrusion away from the first sleeve is flushly arranged; the second foolproof part comprises a plurality of second protrusions, the second protrusions are protruded on the outer wall of the liquid outlet end and are symmetrically arranged upward and downward, and the side of the second protrusion away from the liquid outlet end is flushly arranged; when the liquid outlet end is inserted into the liquid inlet end, the first protrusion and the second protrusion are in abutment.

3. The quick connector of claim 2, wherein The first sleeve comprises a sleeve body and a cover plate, the cover plate is arranged at one end of the sleeve body, the cover plate is provided with a first through hole, the first liquid inlet pipe is arranged through the first through hole and connected with the cover plate, the sleeve body is sleeved on the outside of the first liquid inlet pipe, and the first foolproof part is arranged on the inner wall of the sleeve body.

4. The quick connector of claim 3, wherein The sleeve body comprises a first opening, the first opening is arranged at the end of the sleeve body away from the cover plate, the end of the first liquid inlet pipe away from the inlet is arranged in the inside of the sleeve body, and the liquid outlet end is inserted into the first opening; a clamping port is arranged on the side wall of the sleeve body.

5. The quick connector of claim 4, wherein, The liquid outlet end comprises a second connecting pipe, a clamping piece and a ring-shaped abutment plate, the ring-shaped abutment plate is protruded on the outer circumferential wall of the second connecting pipe and arranged around the second connecting pipe, the clamping piece is arranged on the outside of the end of the second connecting pipe away from the ring-shaped abutment plate, and the clamping piece is clamped in the clamping port.

6. The quick connector of claim 5, wherein, The second connecting pipe comprises an insertion pipe and a connecting pipe, the insertion pipe and the connecting pipe are arranged opposite to each other and in communication, and the ring-shaped abutment plate is arranged on the side close to the insertion pipe.

7. The quick connector of claim 5, wherein The clamping piece comprises a pressing piece and a clamping hook, one end of the clamping hook is connected with the second connecting pipe, and the pressing piece is arranged on the side of the clamping hook away from the second connecting pipe.

8. The quick connector of claim 6, wherein, The outer diameter of the insertion pipe is matched with the inner diameter of the first liquid inlet pipe, the gasket is arranged on the outside of the second connecting pipe, and one end of the gasket is in abutment with the ring-shaped abutment plate.

9. The quick connector of claim 3, wherein, The outer wall of the sleeve body is provided with an anti-skid part.

10. An infusion line, characterized in that The quick connector, the straight one-way valve, the male one-way valve and the female connector are sequentially connected through the infusion pipe, and the female connector is detachably connected with the male one-way valve.

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