CN219952127U - Anti-return along-water tee joint - Google Patents

Abstract

The utility model relates to the technical field of sewer equipment, in particular to a return-preventing water tee joint, which comprises a first pipe body, a second pipe body and a water outlet pipe, wherein two ends of the first pipe body are respectively connected with a water outlet vertical pipe; the sealing device also comprises a sealing part which is rotatably arranged in the second pipe body and can seal the second pipe body, and the sealing part moves towards the direction of the first pipe body so that the second pipe body is communicated with the first pipe body. When households drain water, the water can flow into the first pipe body through the plugging component by self gravity and drain the water to the drain vertical pipe at the lower end; when the water is not drained, the blocking part is in a normally closed state, so that peculiar smell and pests in the drainage vertical pipe cannot enter the drainage transverse pipe of a resident, and the phenomenon that the peculiar smell and pests enter the room is avoided; when the downstream drainage pipeline is blocked, a water column is formed in the first pipe body, and the blocking part is in a normally closed state, so that the blocking part can prevent water from entering a drainage transverse pipe of a resident.

Description

Anti-return along-water tee joint

Technical Field

The utility model relates to the technical field of sewer equipment, in particular to a return-proof water tee joint.

Background

At present, households of each floor can discharge domestic wastewater such as toilets and kitchens through the horizontal drainage pipes arranged on each floor, and each floor is required to be connected with the horizontal drainage pipes and the vertical drainage pipes by using the three-way pipes, so that the vertical drainage pipes are communicated with the horizontal drainage pipes of each floor, and unified drainage is performed. Under the normal condition, households of each floor can set up floor drain in the bathroom, and their sewer pipe all is provided with trap to prevent sewer pipe peculiar smell and pest channeling into indoor.

However, after the water in the floor drain and the trap is dried up, the peculiar smell and pests in the drain vertical pipe can enter the room through the drain horizontal pipe. In addition, when the downstream drain riser is blocked, water will form water column in the drain riser, when the water column surface is higher than the floor indoor drain horizontal pipe, water will overflow to the drain outlet of floor drain, closestool, etc. through the drain horizontal pipe, and water immersion problem will occur in the room.

Disclosure of Invention

The utility model aims to overcome the defect that after the water in the floor drain and the trap in the prior art is dried up, peculiar smell and pests in the drainage vertical pipe can enter the room through the drainage transverse pipe; when the downstream drainage vertical pipe is blocked, water column is formed in the drainage vertical pipe, when the water column surface is higher than the drainage horizontal pipe in the floor room, water overflows to the drainage ports of the floor drain, the closestool and the like through the drainage horizontal pipe, and the indoor water immersion technical problem can occur, so that the backflow-preventing water tee joint is provided.

In order to solve the technical problems, the utility model adopts the following technical scheme: the anti-return water tee joint comprises a first pipe body, a second pipe body and a water outlet pipe, wherein two ends of the first pipe body are respectively connected with a water outlet vertical pipe, the second pipe body is formed on the first pipe body and is used for connecting a water outlet horizontal pipe, and the first pipe body is communicated with the second pipe body; the sealing device is characterized by further comprising a sealing part which is rotatably arranged in the second pipe body and can seal the second pipe body, wherein the sealing part moves away from the direction of the first pipe body so as to seal the second pipe body, and the sealing part moves towards the direction of the first pipe body so as to enable the second pipe body to be communicated with the first pipe body.

In the technical scheme, two ends of a first pipe body are respectively connected with a drainage vertical pipe, and a second pipe body is communicated with a drainage transverse pipe; when households drain water, the water can flow into the first pipe body through the plugging component by self gravity and drain the water into the downstream drain riser; when the water is not drained, the blocking part is in a normally closed state, so that peculiar smell and pests in the drainage vertical pipe cannot enter the drainage transverse pipe of a resident, and the phenomenon that the peculiar smell and pests enter the room is avoided; when the downstream drainage pipeline is blocked, a water column is formed in the first pipe body, and the blocking part can only be opened unidirectionally along the drainage direction of the drainage transverse pipe and is in a normally closed state, so that the blocking part can prevent water from entering the drainage transverse pipe of a resident, and water can be prevented from overflowing from the drainage transverse pipe, a water closet and other water outlets to the indoor of the resident.

Preferably, the second pipe body is used for connecting the connecting port of the drainage transverse pipe and is internally provided with an extension part extending towards the direction of the first pipe body, the upper part of the extension part is provided with a hook, and the plugging part is rotatably arranged on the hook and is used for plugging the extension part.

Preferably, an end surface of the extension portion contacting the blocking member is provided in an inclined shape.

Preferably, an opening is formed in the upper portion of the second pipe body, the edge of the opening protrudes upwards to form a third pipe body, a sealing cover is detachably arranged on an outer port of the third pipe body, and the hook is located in the third pipe body.

Preferably, the sealing cover is in threaded connection with the third pipe body.

Preferably, a first sealing ring is arranged between the sealing cover and the third pipe body.

Preferably, a sealing groove for installing the first sealing ring is arranged in the sealing cover, an internal thread is arranged on the inner wall of the sealing groove, an external thread corresponding to the thread is arranged on the outer periphery of the third pipe body, and the internal thread is matched with the external thread.

Preferably, the plugging member comprises a cover body and a rotating shaft formed on the cover body, a cavity for accommodating the hook is formed between the rotating shaft and the cover body, and a notch for installing the rotating shaft is formed in the upper portion of the hook.

Preferably, a second sealing ring for sealing the extension part is further arranged on the cover body.

Preferably, the second pipe body is of a bent pipe structure.

Compared with the prior art, the utility model has the beneficial effects that: two ends of the first pipe body are respectively connected with the drainage vertical pipe, and the second pipe body is communicated with the drainage transverse pipe; when households drain water, the water can flow into the first pipe body through the opening blocking component and drain the downstream drainage vertical pipe; when the water is not drained, the blocking part is in a normally closed state, so that peculiar smell and pests in the drainage vertical pipe cannot enter the drainage transverse pipe of a resident, and the phenomenon that the peculiar smell and pests enter the room is avoided; when the downstream drainage pipeline is blocked, a water column is formed in the first pipe body, and the blocking part can only be opened unidirectionally along the drainage direction of the drainage transverse pipe and is in a normally closed state, so that the blocking part can prevent water from entering the drainage transverse pipe of a resident, and water can be prevented from overflowing from the drainage transverse pipe, a water closet and other water outlets to the indoor of the resident.

Drawings

FIG. 1 is an exploded view of the anti-return tee of the present utility model;

FIG. 2 is an overall construction diagram of the anti-return tee of the present utility model;

FIG. 3 is a block diagram of a seal cover in the anti-return tee of the present utility model;

FIG. 4 is a perspective view of the seal cap in the anti-return tee of the present utility model;

FIG. 5 is a block diagram of the plugging member and the second seal ring in the anti-return tee of the present utility model;

FIG. 6 is a perspective view of a plugging member in the anti-return tee of the present utility model;

FIG. 7 is a diagram of the anti-return effect of the anti-return tee bend;

fig. 8 is a view showing the effect of the water discharge state of the return-preventing tee joint according to the present utility model.

In the accompanying drawings: 1. a first tube body; 2. a second tube body; 21. an extension; 22. a hook; 3. a blocking member; 31. a cover body; 311. a clamping groove; 312. a boss; 32. a rotation shaft; 33. a second seal ring; 4. a third tube body; 41. sealing cover; 42. a first seal ring; 43. and (5) sealing the groove.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

As shown in fig. 1, the anti-return downstream tee comprises a first pipe body 1, two ends of which are respectively connected with a drainage vertical pipe, and a second pipe body 2, wherein the second pipe body 2 is formed on one side of the first pipe body 1 and is used for connecting a drainage transverse pipe, and the first pipe body 1 is communicated with the second pipe body 2; the sealing device further comprises a sealing part which is arranged in the second pipe body 2 in a rotating manner and can seal the second pipe body 2, the sealing part 3 moves away from the direction of the first pipe body 1 to seal the second pipe body 2, and the sealing part 3 moves towards the direction of the first pipe body 1 to enable the second pipe body 2 to be communicated with the first pipe body 1.

In the embodiment, two ends of a first pipe body 1 are respectively connected with a drainage vertical pipe, and a second pipe body 2 is communicated with a drainage transverse pipe; as shown in fig. 8, when the householder drains water, the water can flow into the first pipe body 1 through the opening stopper 3, and drain down-stream drain pipe; as shown in fig. 1, when the water is not discharged, the blocking part 3 is in a normally closed state, so that peculiar smell and pests in the water discharge vertical pipe cannot enter the water discharge transverse pipe of a resident, and the peculiar smell and pests are prevented from entering a room; as shown in fig. 7, when the downstream drainage pipeline is blocked, a water column is formed in the first pipe body 1, and the blocking member 3 can only be opened unidirectionally along the drainage direction of the drainage horizontal pipe, and the blocking member 3 is in a normally closed state, so that the blocking member 3 prevents water from entering the drainage horizontal pipe of the resident, and water can be prevented from overflowing from the drainage horizontal pipe, the water outlet of the toilet, and the like into the room of the resident. Both ends of the first pipe body 1 and ports of the second pipe body 2 in the embodiment are bellmouths; the range of the inner diameter of the first pipe body 1 and the inner diameter of the second pipe body 2 is 110cm to 160cm; the second pipe body 2 of the present embodiment is disposed perpendicular to the first pipe body 1.

As shown in fig. 1, an extension 21 extending toward the first pipe body 1 is provided in the second pipe body 2 at the connection port for connecting the drainage cross pipe, a hook 22 is provided at the upper part of the extension 21, and the blocking member 3 is rotatably provided on the hook 22 and is used for blocking the extension 21. In this embodiment, the plugging member 3 rotates around the hanger 22 in the direction of the first pipe body 1 under the impact of the hydraulic force.

As shown in fig. 1, an end surface of the extension portion 21 contacting the plugging member 3 is provided as an inclined surface. Specifically, the inclined surface is a downward inclined surface, which forms a certain angle with the axis of the first riser 1, and the plugging member 3 can fall back onto the inclined surface of the extension portion 21 according to gravity so as to plug the water inlet on the extension portion 21. Further, the inclined surface of the present embodiment forms an angle of 10 ° with the axis of the first riser 1.

As shown in fig. 1 and 2, the upper part of the second pipe body 2 is provided with an opening, the edge of the opening protrudes upwards to form a third pipe body 4, a sealing cover 41 is detachably arranged on the third pipe body 4, and the hook 22 is positioned in the third pipe body 4. The opening in this embodiment is an inspection port, so that not only can the blockage removal maintenance be performed, but also the blockage component 3 can be installed through the opening. When the downstream drainage pipeline is blocked, the sealing cover 41 can be opened to clean, so that the blockage removal maintenance is realized. Meanwhile, the hook 22 for supporting the plugging member 3 is arranged in the third pipe body 4, so that the plugging member design is realized. Specifically, the sealing cover 41 in this example is clamped to the third pipe body 4. Furthermore, the whole tee joint of the embodiment is produced by adopting an injection molding process, and the notch direction of the hook 22 is required to be towards the core pulling direction of the mold during production, so the hook 22 is required to be arranged in the third pipe body 4.

Example 2

The embodiment is similar to the above embodiment, and the anti-return water tee comprises a first pipe body 1, a second pipe body 2 and a water outlet pipe, wherein two ends of the first pipe body 1 are respectively connected with the water outlet vertical pipe, the second pipe body 2 is formed on one side of the first pipe body 1 and is used for connecting a water outlet transverse pipe, and the first pipe body 1 is communicated with the second pipe body 2; wherein, still including rotating setting up in second body 2 and can seal the shutoff part 3 of second body 2, the shutoff part 3 deviates from the direction motion of first body 1 in order to shutoff second body 2, and the shutoff part 3 moves in the direction of first body 1 so that second body 2 is linked together with first body 1.

Further, an extension part 21 extending towards the direction of the first pipe body 1 is arranged in the connecting port of the second pipe body 2 for connecting the drainage transverse pipe, a hook 22 is arranged on the upper part of the extension part 21, and the plugging member is rotatably arranged on the hook 22 and seals the extension part 21. An end surface of the extension 21 contacting the plugging member 3 is provided as an inclined surface. Further, an opening is formed in the upper portion of the second pipe body 2, the edge of the opening protrudes upwards to form a third pipe body 4, a sealing cover 41 is detachably arranged on the third pipe body 4, and the hook 22 is located in the third pipe body 4. The difference is that,

the second pipe body 2 of this embodiment inclines to set up, and the axis of second pipe body 2 is the acute angle with the contained angle of the axis of first pipe body 1 promptly for sewage and filth see and rely on self gravity to discharge downwards fast, accelerate drainage rate.

As shown in fig. 3 and 4, the sealing cap 41 is screw-coupled with the third pipe body 4. The embodiment adopts threaded connection, is convenient and quick, does not need to adopt other connecting pieces to connect, and reduces the installation steps.

As shown in fig. 2, a first seal ring 42 is provided between the seal cover 41 and the third pipe body 4. In this embodiment, the inner side wall and the outer side wall of the first seal ring 42 are respectively abutted against the outer wall of the third pipe body 4 and the inner side wall of the seal cover. The odor in the drain line is prevented from being discharged through the opening, and in addition, when the drain line downstream is blocked, the sewage is prevented from overflowing from the opening. Further, the first seal ring 42 of the present embodiment is made of a rubber material having elasticity.

As shown in fig. 3, a seal groove 43 for mounting the first seal ring 42 is provided in the seal cover 41, an internal thread is provided on an inner wall of the seal groove 43, an external thread corresponding to the thread is provided on an outer periphery of the third pipe body 4, and the internal thread is engaged with the external thread. In this embodiment, threads are directly formed on the inner wall of the sealing groove 43, and serve as threaded holes matched with the third pipe body 4, so that the structure is simple, and the production is convenient.

As shown in fig. 2 and 6, the blocking member 3 includes a cover 31 and a rotation shaft 32 formed on the cover 31, a cavity for accommodating the hook 22 is provided between the rotation shaft 32 and the cover 31, and a notch for mounting the rotation shaft 32 is provided at an upper portion of the hook 22. The cover 31 and the rotating shaft 32 of the present embodiment are integrated, so that the installation is convenient. During installation, the whole cover body 31 can be slowly installed into the second pipe body 2 through the socket at the lower end of the first pipe body 1, and whether the rotating shaft 32 is installed into the notch of the hook 22 or not is observed through the opening of the third pipe body 4, so that the whole process is convenient and quick to install. Because the range of the inner diameter of the first pipe body 1 and the inner diameter of the second pipe body 2 is 110cm to 160cm, the cover body 31 is directly arranged in the second pipe body 2 by hands, the whole process is flexible, and the installation time is reduced.

As shown in fig. 5, the cover 31 is further provided with a second seal ring 33. Specifically, the cover 31 is provided with a clamping groove 311, and the second sealing ring 33 is installed in the clamping groove 311. Further, one end face of the cover body 31 protrudes to form a boss 312, the clamping groove 311 is arranged on the side face of the boss 312, the second sealing ring 33 is partially installed in the clamping groove 311, and partially leaked outside the clamping groove 311 for contacting and sealing the end face of the extension part 21, namely, the sealing mouth, so that the sealing effect is enhanced; prevent peculiar smell and insect flee into the drainage transverse pipe of the resident and prevent sewage of the drainage vertical pipe from flowing back into the drainage transverse pipe.

Example 3

The embodiment is similar to the above embodiment, and the anti-return water tee comprises a first pipe body 1, a second pipe body 2 and a water outlet pipe, wherein two ends of the first pipe body 1 are respectively connected with the water outlet vertical pipe, the second pipe body 2 is formed on one side of the first pipe body 1 and is used for connecting a water outlet transverse pipe, and the first pipe body 1 is communicated with the second pipe body 2; the sealing device further comprises a sealing part 3 which is arranged in the second pipe body 2 in a rotating way and can seal the second pipe body 2, the sealing part 3 moves away from the direction of the first pipe body 1 to seal the second pipe body 2, and the sealing part 3 moves towards the direction of the first pipe body 1 to enable the second pipe body 2 to be communicated with the first pipe body 1. Further, an extension portion 21 extending towards the direction of the first pipe body 1 is arranged inside a connection port of the second pipe body 2 for connecting a drainage cross pipe, a hook 22 is arranged on the upper portion of the extension portion 21, and a plugging member is rotatably arranged on the hook 22 and used for plugging the extension portion 21. An end surface of the extension 21 contacting the plugging member 3 is provided as an inclined surface. Further, an opening is formed in the upper portion of the second pipe body 2, the edge of the opening protrudes upwards to form a third pipe body 4, a sealing cover 41 is detachably arranged on the outer port of the third pipe body 4, and the hook 22 is located in the third pipe body 4. Wherein the sealing cap 41 is screw-coupled with the third pipe body 4. Specifically, a seal groove 43 for installing the first seal ring 42 is provided in the seal cover 41, an internal thread is provided on an inner wall of the seal groove 43, an external thread corresponding to the thread is provided on an outer periphery of the third pipe body 4, and the internal thread is matched with the external thread.

The difference is that:

the sealing cover 41 of this embodiment is provided with a sealing groove 43 for installing the first sealing ring 42, one side surface of the sealing cover 41 provided with the sealing groove 43 protrudes to form a connecting portion, the outer side wall of the connecting portion is provided with external threads, the inner side of the third pipe body 4 is provided with internal threads opposite to the external threads, and the connecting portion is installed in the third pipe body 4 through the cooperation of the external threads and the internal threads.

As shown in fig. 1 and 2, the second pipe body 2 has a bent pipe structure. The whole tee joint of this embodiment adopts the injection molding technology to produce, and second body 2 adopts the design of big radian promptly, and the mould can be by this return bend structure of big radian core-pulling realization during production, like this, water can slide into in the first body 1 smoothly according to gravity after passing through extension 21, and the drainage resistance is littleer, more smooth and easy. More specifically, as shown in fig. 2, the bent pipe structure protrudes toward the third pipe body 4, and thus foreign matters are prevented from being accumulated in the bent pipe structure.

Further, when the die is used for production, five cores are used in total, wherein the upper end and the lower end of the first pipe body 1 are respectively provided with a first core and a second core, a bent pipe structure in the second pipe body adopts a third core, the third pipe body adopts a fourth core, and the extension part adopts a fifth core; according to the design of the notch direction of the hook 22, the hook 22 is formed by using the fourth core, so that the cover 31 can be turned over and is not easy to fall off. In addition, since the notch direction of the hook 22 is required to face the core pulling direction of the mold during production, the hook 22 is arranged in the third pipe body 4 instead of being arranged in the bent pipe structure; if the hook 22 is arranged in the bent pipe structure, the notch of the hook 22 faces the direction of the first pipe body 1, and after the cover 31 is arranged, the cover 31 can not work due to the problem that the hook 22 is separated during working.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a prevent returning along water tee bend, includes both ends respectively with drainage riser be connected first body (1) and form in on first body (1) and be used for connecting drainage horizontal pipe's second body (2), first body (1) with second body (2) intercommunication, its characterized in that still includes to rotate and establishes shutoff part (3) in second body (2), shutoff part (3) deviate from the direction motion of first body (1) in order to shutoff second body (2), shutoff part (3) are oriented the direction motion of first body (1) is so that second body (2) with first body (1) are linked together.

2. The anti-backflow water tee joint according to claim 1, wherein an extension portion (21) extending towards the first pipe body (1) is arranged inside a connecting port of the second pipe body (2) for connecting a drainage horizontal pipe, a hook (22) is arranged on the upper portion of the extension portion (21), and the plugging component (3) is rotatably arranged on the hook (22) and used for plugging the extension portion (21).

3. A return-preventing tee bend in water according to claim 2, characterized in that the end surface of the extension (21) contacting the plugging member (3) is provided as an inclined surface.

4. The anti-return downstream tee joint according to claim 2, wherein an opening is formed in the upper portion of the second pipe body (2), the edge of the opening protrudes upwards to form a third pipe body (4), a sealing cover (41) is detachably arranged on the third pipe body (4), and the hook (22) is located in the third pipe body (4).

5. The return-preventing tee bend in water according to claim 4, characterized in that the sealing cap (41) is screwed with the third pipe body (4).

6. The return-preventing tee bend in water according to claim 5, characterized in that a first sealing ring (42) is arranged between the sealing cover (41) and the third pipe body (4).

7. The return-preventing water tee joint according to claim 6, wherein a sealing groove (43) for installing the first sealing ring (42) is arranged on the sealing cover (41), an inner thread is arranged on the inner wall of the sealing groove (43), an outer thread corresponding to the thread is arranged on the periphery of the third pipe body (4), and the inner thread is matched with the outer thread.

8. The anti-backflow tee joint according to claim 2, wherein the plugging member comprises a cover body (31) and a rotating shaft (32) formed on the cover body (31), a cavity for accommodating the hook (22) is formed between the rotating shaft (32) and the cover body (31), and a notch for installing the rotating shaft (32) is formed in the upper portion of the hook (22).

9. The return-preventing tee bend in water according to claim 8, characterized in that a second sealing ring (33) for sealing off the extension (21) is further provided on the cover (31).

10. The anti-return tee bend in water according to claim 1, characterized in that the second pipe body (2) is of a bent pipe structure.