TWM636159U - Three-way non-return joint structure - Google Patents

Abstract

A three-way non-return joint structure, which includes a seat body, a shell and a non-return plate, wherein a water outlet joint is provided on the top surface of the seat body, and one of the water outlet joints penetrates from the end surface to the top surface of the seat body. Water outlet, the inside of the housing has a tank chamber opening downwards, the tank chamber has a fixed surface, the housing is combined with the top surface of the base, and the top surface of the housing is provided with two water inlet joints , the two water inlet joints respectively have two water inlets penetrating from the end surface to the fixed surface, the anti-reverse piece is made of elastically deformable material, and is combined with the fixed surface to cover the two water inlets, And the non-return sheet can only open the two water inlets unidirectionally towards the opposite direction of the fixed surface; thereby it can prevent sewage from flowing backward from the water outlet to the water inlet, so as to avoid the water supply source connected to the water inlet from being polluted.

Description

Three-way non-return joint structure

The invention relates to the technical field of a three-way non-return joint structure, especially a three-way non-return joint structure that can prevent sewage from flowing back from the water outlet to the water inlet, so as to avoid the water supply source connected to the water inlet from being polluted.

Please refer to FIG. 1 , which shows a conventional three-way joint structure, which mainly has three joints 10, and in the three joints 10, there are three water inlets and outlets 11 that penetrate to the end faces and communicate with each other. When the known three-way connector structure is applied to a surgical flushing and suction device, two connectors 10 can be connected to two infusion bags 13 and 13' by using two water inlet pipes 12 and 12' respectively, and the other connector 10 can be used A water outlet pipe 14 is connected to a surgical flushing aspirator 15, and the two infusion bags 13, 13' contain cleaning solutions such as saline or distilled water to provide the surgical flushing aspirator 15 for flushing the affected part. At ordinary times, one of the water inlet pipes 12' can be blocked by a blocker 16', so that only the infusion bag 13 which is not blocked by another blocker 16 is used to provide cleaning fluid, and when the infusion bag 13 When the cleaning solution is almost used up, the water inlet pipe 12' blocked by the blocker 16' can be opened so that the infusion bag 13' can provide cleaning liquid, and the water inlet pipe 12 can be blocked by the blocker 16 at the same time. Then this infusion bag 13 that will be used up soon will be replaced with a new one. Repeating the above-mentioned replacement action in this way can achieve the purpose of continuously providing the cleaning solution of the surgical irrigation aspirator 15 without interruption.

Yet, because the three water inlets and outlets 11 of this conventional tee joint are connected, because Once the water pressure in the water outlet pipe 14 is greater than the water pressure in the water inlet pipe 12 (12'), the sewage containing blood clots and blood in the affected area will flow back through the surgical flushing suction device 15 through the water outlet pipe 14 Into the water inlet pipe 12 (12'), and then pollute the transfusion bag 13 (13') connected to it, so the polluted cleaning solution is likely to cause bacterial infection of the affected part, and then seriously affect the operation result.

In view of this, the author of this work developed and designed this creation based on the above-mentioned problems, in-depth conception, and active research and improvement.

The main purpose of this creation is to solve the existing three-way joint structure, which is easy to cause sewage to flow backward from the outlet pipe to the water inlet pipe, thereby polluting the cleaning solution.

The invention provides a three-way non-return joint structure, including a base, a shell and a non-return piece. Wherein, the bottom surface of the seat system is provided with a water outlet joint, and the water outlet joint has a water outlet through the end surface to the top surface of the seat body. There is a tank chamber with a downward opening inside the housing system. The opposite side of the opening in the tank chamber has a fixed surface. The housing is combined with the top surface of the base. The top surface of the housing is provided with two A water inlet joint, the two water inlet joints respectively have two water inlets penetrating from the end surface to the fixed surface. The anti-reverse sheet is made of elastically deformable material, and is combined with the fixed surface of the tank chamber to cover the two water inlets, and the anti-reverse sheet can only be unidirectional in the direction opposite to the fixed surface Open the two water inlets.

The three-way non-return joint structure provided by this creation can only be deformed in one direction to open the structural design of the two water inlets, so that it can prevent the sewage from flowing backward from the water outlet to the water inlet, and then Contamination of the water supply connected to the water inlet can be avoided.

[Prior Art]

10: Connector

11: water inlet and outlet

12, 12': water inlet pipe

13, 13': infusion bag

14: Outlet pipe

15: Surgical irrigation aspirator

16, 16': blocker

[this creation]

20: seat body

21: Ring

22: Outlet connector

220: water outlet

23: top block

24: Limit column

30: Shell

31: tank chamber

32: Fixed surface

33: slotting

34, 34': water inlet connector

340, 340': water inlet

35: binding column

40: anti-reverse film

41, 41': cover sheet

42: link piece

420: binding hole

50, 50': water inlet pipe

51, 51': infusion bag

52, 52': blocker

60: Outlet pipe

61: Surgical irrigation aspirator

〔Fig. 1〕 is the use state schematic diagram of conventionally known tee joint.

[Figure 2] is a three-dimensional exploded schematic diagram of this creation.

[Figure 3] is a three-dimensional combination diagram of this creation.

[Fig. 4] is an enlarged schematic diagram of the combination section of this creation.

[Fig. 5] is a schematic cross-sectional view of A-A in Fig. 4.

[Figure 6] is a schematic diagram of the use status of this creation.

[Figure 7] is a schematic diagram of the water flow when one of the water inlets is opened in this creation.

[Figure 8] is a schematic diagram of water flow when another water inlet is opened in this creation.

[Fig. 9] is a schematic diagram of the water flow action when the two water inlets of this creation are blocked.

Please refer to Fig. 2 to Fig. 5 and Fig. 7, which show that the three-way non-return joint structure described in this creation includes a base 20, a shell 30 and a non-reverse piece 40, wherein: the base 20 is A ring 21 is protruded from the top surface near the periphery, and a water outlet joint 22 is protruded from the center of the bottom surface. The water outlet joint 22 has a water outlet 220 penetrating from the end surface to one of the top surface of the base body 20. In addition, the base body 20 The top surface has two rectangular top blocks 23 on two opposite sides of the water outlet 220 .

The casing 30 has a chamber 31 with a downward opening inside, and the chamber 31 forms a fixing surface 32 on the opposite side of the opening. The casing 30 is combined with the top surface of the seat body 20, and The bottom surface has an annular slot 33 for the ring 21 to be embedded in. The top surface of the housing 30 is protruded with two water inlet connectors 34, 34', and the two water inlet connectors 34, 34' are respectively equipped with The end faces pass through to the two water inlets 340 , 340 ′ of the fixing surface 32 , and the fixing surface 32 has at least one circular coupling column 35 .

The backstop 40 is made of elastically deformable material (such as silicon rubber, rubber...etc.) Formed, and combined on the fixed surface 32 of the tank chamber 31, it can be used to elastically open or cover the two water inlets 340, 340'. The anti-reverse piece 40 includes two cover pieces 41, 41' and at least one connecting piece 42 connecting the two cover pieces 41, 41'. The two cover pieces 41, 41' are circular and slightly larger than the two water inlets. 340, 340', and can be used to cover the lower ends of the two water inlets 340, 340' respectively, and the two cover pieces 41, 41' are correspondingly located directly above the two top blocks 23 and can be received by the two top blocks 23 Block and can only be opened to a certain extent, the connecting piece 42 is provided with at least one combining hole 420 for the insertion and combining of the combining column 35, so that the two cover pieces 41, 41' can be elastically deformed to open or cover the Two water inlets 340, 340'.

In this creation, the fixing surface 32 of the tank chamber 31 of the housing 30 can have a plurality of connecting posts 35 (four in this embodiment are exemplified), and the anti-reverse piece 40 includes two connecting pieces 42 that can To be connected to the two opposite outer sides of the two cover sheets 41, 41', a plurality of connection holes 420 are provided on the two connection sheets 42 for the insertion and connection of the plurality of connection posts 35, and the top surface of the base body 20 is placed on the The other two opposite sides of the water outlet 220 are protrudingly provided with a plurality of circular restricting columns 24 (in this embodiment, four are exemplified), and a part (about half) of the top surfaces of the plurality of restricting columns 24 are combined with the plurality of restricting columns. A part of the bottom surface of the column 35 is connected, and the other part (about half) is then against the bottom surfaces of the two connecting pieces 42 to achieve the purpose of fixing the two connecting pieces 42 on the fixing surface 32 .

Please refer to Fig. 6, when the three-way non-return joint structure described in this invention is applied to the surgical flushing and suction device, the two water inlet joints 34, 34' can be connected to the water inlet pipe 50, 50' respectively. Two infusion bags 51 , 51 ′, the water outlet connector 22 can be connected to a surgical flushing aspirator 61 by using a water outlet pipe 60 . The two infusion bags 51, 51' have cleaning solutions such as saline or distilled water to provide the surgical flushing aspirator 61 for flushing the affected part. At ordinary times, one of the water inlet pipes 50' can be blocked by a blocker 52', so that only the infusion bag 51 which is not blocked by another blocker 52 is used to provide cleaning fluid, and when the infusion bag 51 When the cleaning solution is almost used up, the cleaning solution blocked by the blocker 52' can be opened. This water inlet pipe 50' makes this transfusion bag 51 ' provide cleaning liquid, utilizes this blocker 52 to block this water inlet pipe 50 simultaneously, and then this transfusion bag 51 that is used up is replaced with a new one. Repeating the above-mentioned replacement action in this way can achieve the purpose of continuously supplying the cleaning liquid of the surgical irrigation aspirator 61 without interruption.

Please refer to Figure 7 again, which means that when the blocker 52 does not block the water inlet pipe 50, and the blocker 52' blocks the water inlet pipe 50', the cleaning solution in the infusion bag 51 will It will flow into the water inlet 340 through the water inlet pipe 50, and then the cover piece 41 of the non-reverse plate 40 will be deformed downward and then flow into the tank chamber 31, and then pass through the water outlet pipe from the water outlet 220 60 flows to the surgical irrigation aspirator 61 for use. Moreover, the cover sheet 41 can only be opened to a certain degree when it is pressed downward by the top block 23 . And another water inlet 340' is because the water inlet pipe 50' is blocked by the blocker 52', so not only the water inlet pipe 50' will not have cleaning liquid flowing into the water inlet 340', but also the tank chamber 31 The cleaning solution will also be blocked by the cover sheet 41' and will not flow back into the water inlet 340'.

Please refer to Figure 8 again, which means that when the blocker 52 blocks the water inlet pipe 50, and the blocker 52' does not block the water inlet pipe 50', the cleaning solution in the infusion bag 51' The system will flow into the water inlet 340' through the water inlet pipe 50', and then the cover piece 41' of the anti-reverse plate 40 will be deformed downward and then flow into the tank chamber 31, and then through the water outlet 220 Flow through the water outlet pipe 60 to the surgical irrigation aspirator 61 for use. And, when this cover sheet 41 ' is moved downwards, it will be supported by the top block 23 and can only be opened to a certain degree. And another water inlet 340 is because this water inlet pipe 50 is blocked by this blocker 52, so not only this water inlet pipe 50 can not have cleaning liquid to flow to this water inlet 340, and the cleaning liquid in this tank chamber 31 also can It is blocked by the cover sheet 41 and will not flow back into the water inlet 340 .

Please refer to Fig. 9 again, which means that when the water pressure in the outlet pipe 60 is greater than the water pressure in the two inlet pipes 50, 50', the two cover pieces 41, 41' of the anti-reverse piece 40 will be sealed. The two water inlets 340, 340', so blood clots, bloody water, etc. in the affected area during the operation cannot be discharged from the water The mouth 220 flows back into the two water inlets 340, 340', so the cleaning liquid in the two infusion bags 51, 51' connected to the two water inlets 340, 340' will not be polluted by sewage, and can Avoid bacterial infection of the affected part during surgery.

The structure of the three-way non-return joint provided by this creation can only be deformed in one direction by the non-return piece 40 to open the structural design of the two water inlets 340, 340', so that sewage can be prevented from flowing backward through the water outlet 220 to the water inlet 340, 340', thereby preventing the infusion bag 51, 51' (water supply source) connected to the water inlet 340, 340' from being polluted.

20: seat body

21: Ring

22: Outlet connector

220: water outlet

23: top block

24: Limit column

30: Shell

31: tank chamber

32: Fixed surface

33: slotting

34, 34': water inlet connector

340, 340': water inlet

35: binding column

40: anti-reverse film

41, 41': cover sheet

42: link piece

420: binding hole

Claims (7)

A three-way non-return joint structure, including: a base body, a water outlet joint is provided on the bottom surface, and a water outlet is provided in the water outlet joint from the end surface to the top surface of the base body; a shell body has a downward opening inside. A tank chamber, the tank chamber has a fixed surface on the opposite side of the opening, the housing is combined with the top surface of the base, the top surface of the housing is provided with two water inlet joints, the two water inlet joints There are respectively two water inlets penetrating from the end surface to the fixed surface; and a non-reverse piece, which is made of elastically deformable material, combined with the fixed surface of the tank chamber and covers the two water inlets, And the non-return sheet can only open the two water inlets unidirectionally towards the opposite direction of the fixed surface. The three-way non-return joint structure as described in claim 1, wherein the non-return piece includes two cover pieces and at least one connecting piece connecting the two cover pieces, and the two cover pieces are larger than the two water inlets for sealing respectively Covering the lower ends of the two water inlets, the connecting piece is combined with the fixing surface so that the two cover pieces can be elastically deformed in one direction to open or cover the two water inlets. The three-way non-return joint structure according to claim 2, wherein the fixed surface of the housing has at least one coupling post, and the connecting piece has at least one coupling hole for the coupling post to be inserted and combined. The three-way non-return joint structure as described in claim 2, wherein the top surface of the seat body has two top blocks on the two opposite sides of the water outlet corresponding to the direction directly below the two covers, allowing the two covers to go downward When it is displaced for a certain distance, it pushes against the bottom surfaces of the two cover sheets, so that the two cover sheets can only be opened to a certain extent. The three-way non-return joint structure as described in claim 1, wherein the tank chamber The fixed surface is provided with a plurality of coupling columns, and the anti-reverse piece includes two cover pieces and two connecting pieces, the two cover pieces are larger than the two water inlets so as to cover the lower ends of the two water inlets respectively. The connecting pieces are connected to the two opposite outer sides of the two connecting pieces, and a plurality of connecting holes are provided on the two connecting pieces for the insertion and joining of the plurality of connecting columns, so that the two covering pieces can be elastically deformed in one direction to open or seal. Cover the two water inlets. The three-way non-return joint structure as described in claim 5, wherein the top surface of the seat body is provided with a plurality of restricting columns on two opposite sides of the water outlet, and a part of the top surface of the plurality of restricting columns is combined with the plurality of A part of the bottom end surfaces of the column is connected, and the other part is against the bottom surfaces of the two connecting pieces. The three-way non-return joint structure as described in Claim 1, wherein a ring protrudes from the top surface of the seat body near the periphery, and a ring-shaped slot is provided on the bottom surface of the housing for the ring ring to be embedded and combined.

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