CN219692575U

CN219692575U - PVC blow-down pipeline connecting piece

Info

Publication number: CN219692575U
Application number: CN202321053280.3U
Authority: CN
Inventors: 顾兴华; 吴荣根; 计秋林; 顾文超; 王颖
Original assignee: Zhejiang Shennan Plastic Co ltd
Current assignee: Zhejiang Shennan Plastic Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-15
Anticipated expiration: 2033-05-05

Abstract

The utility model provides a PVC sewage drain pipe connector, which relates to the technical field of pipe connectors and aims at solving the problems that an inner filter screen of the traditional pipe connector needs to be disassembled and cleaned after being used for a period of time, and the conveying work of sewage needs to be stopped in the process of disassembly and cleaning, so that inconvenience is brought to the sewage conveying work; the right end of the PVC four-way connecting pipe fitting is connected with a three-way pipe fitting A, and two interfaces at the right end of the three-way pipe fitting A are connected with two filter boxes; the right ends of the two filter boxes are connected with two interfaces on the left side of the three-way pipe fitting B, the bottom of each filter box is provided with a connecting frame, and the bottom of each connecting frame is fixedly connected with a sealing plate through four fastening bolts; through the cooperation of tee bend pipe fitting A and tee bend pipe fitting B, can be when the inside filter screen plate surface debris of clearance front side rose box, need not to stop the transportation work to sewage to avoid bringing inconvenience for sewage transportation work.

Description

PVC blow-down pipeline connecting piece

Technical Field

The utility model belongs to the technical field of pipeline connectors, and particularly relates to a PVC sewage pipeline connector.

Background

PVC pipeline, the main component is polyvinyl chloride, adds other ingredients to strengthen its corrosion resistance, heat, toughness, ductility's a material. PVC pipeline has better corrosion resistance, so the PVC pipeline is widely applied to sewage discharge systems.

The current PVC sewage drain pipe generally uses a pipeline connecting piece when converging, and when the current pipeline connecting piece is used, although a part of pipeline connecting piece internally mounted has a filter screen, can carry out the coarse filtration to debris in the sewage, but after a period of use, the inside filter screen surface of pipeline connecting piece will adhere to a large amount of debris (the debris of filtering out) to influence the water flow efficiency of pipeline connecting piece, and when the inside filter screen surface debris of cleaning pipeline connecting piece, need dismantle the clearance, and dismantle the clearance in-process, need stop the transportation work to the sewage, thereby bring inconvenience for sewage transportation work, and the filter screen is mostly through the screw fixation inside pipeline connecting piece, thereby make the filter screen too troublesome when dismantling.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a PVC sewage drain pipe connecting piece, which aims to solve the problems that an inner filter screen of the traditional pipe connecting piece needs to be disassembled and cleaned after being used for a period of time, and the conveying work of sewage needs to be stopped in the disassembling and cleaning process, so that inconvenience is brought to the sewage conveying work.

The utility model discloses a purpose and an effect of a PVC sewage drain pipe connector, which are achieved by the following specific technical means:

a PVC sewage pipe connector comprises a PVC four-way connecting pipe fitting; the right end of the PVC four-way connecting pipe fitting is connected with a three-way pipe fitting A, and two interfaces at the right end of the three-way pipe fitting A are connected with two filter boxes; the right ends of the two filter boxes are connected with two interfaces on the left side of the three-way pipe fitting B, the bottom of each filter box is provided with a connecting frame, the bottom of each connecting frame is fixedly connected with a sealing plate through four fastening bolts, and the upper end face of each connecting frame is provided with four locking mechanisms; and a limiting piece is arranged on the right side inside each filtering box.

Further, a first valve and a second valve are respectively arranged on the two water outlet pipes on the right side of the three-way pipe fitting A, and the first valve is positioned behind the second valve.

Furthermore, the right side surface inside the filter box is symmetrically and fixedly connected with two sliding rails, and a filter screen plate is connected between the two sliding rails in a sliding manner; and a plug board is arranged on the upper part of the left end face of each sliding rail, and a plug hole is formed in the front end face of each plug board.

Further, the upper end face of the sealing plate is provided with a dirt collecting box, and the dirt collecting box is positioned at the lower end inside the filter box; and four corners of the bottom end surface of the sealing plate are provided with threaded through holes.

Further, a third valve and a fourth valve are respectively arranged on the two water inlet pipes on the left side of the three-way pipe fitting B, and the fourth valve is positioned in front of the third valve.

Further, a one-way limiting gear is arranged on the upper side of the outer part of the fastening bolt, and fan-shaped limiting teeth are arranged behind the peripheral surface of the one-way limiting gear in an annular array shape; the fastening steering of the fastening bolt is clockwise steering; when the sealing plate is in a sealing state at the bottom of the connecting frame, the fastening bolt penetrates through the connecting frame to be connected with the threaded through hole.

Further, the locking mechanism comprises a box body, a locking slide block, a pulling rod and a triangular locking block, wherein the box body is arranged on the upper end face of the connecting frame, the locking slide block penetrating through the head of the box body is connected inside the box body in a sliding manner, and the triangular locking block is arranged at the head end of the locking slide block; the tail end of the locking slide block is provided with a pulling rod penetrating through the tail of the box body, and a spring is sleeved outside the pulling rod and positioned at the inner side of the box body; when the locking mechanism is in a locking state, the triangular locking block is tightly contacted with the peripheral surface of the unidirectional limiting gear.

Further, the limiting piece comprises a frame body, limiting sliding blocks, a partition plate, limiting inserting rods and a handle, wherein the frame body is fixedly connected to the upper portion of the left end face of the filter screen plate, the front end and the rear end of the interior of the frame body are respectively and slidably connected with one limiting sliding block, the back surfaces of the two limiting sliding blocks are respectively provided with one limiting inserting rod, and the two limiting inserting rods respectively penetrate through the front side face and the rear side face of the frame body; the middle side of the inside of the frame body is provided with a baffle, the front end face and the rear end face of the baffle are respectively provided with a limiting rod, and the outside of each limiting rod is sleeved with a spring; and the left end face of each limit sliding block is fixedly connected with a handle.

Compared with the prior art, the utility model has the following beneficial effects:

1. through tee bend pipe fitting A and tee bend pipe fitting B's cooperation, can be when the inside filter screen plate surface debris of clearance front side rose box, at first open first valve and third valve, then close second valve and fourth valve, then unscrew four fastening bolts on the front side connecting frame, make the front side closing plate lose sealed fixed action in front side connecting frame bottom, then pull down the front side closing plate, thereby take out front side dirt collecting box from front side rose box inside, then the rethread is manual with front side filter screen plate pull down from front side rose box inside clear up can, and whole cleaning process is because need not to stop the transportation work to sewage, thereby avoid bringing inconvenience for sewage transportation work.

2. Through the cooperation of locating part and plugboard, can be when dismantling the filter screen plate, through manual with two handles remove to opposite direction simultaneously to make two spacing sliders carry two spacing plugboards to opposite direction simultaneously, thereby make two spacing plugboards pull out from the inside grafting hole of seting up on two plugboards respectively, thereby make the filter screen plate lose the fixed action between two slide rails, then with filter screen plate downwards slip pull down can, and whole dismantlement in-process, owing to need not through the screw fixation, thereby make the filter screen plate more convenient when dismantling.

Drawings

Fig. 1 is an isometric view of the present utility model.

Fig. 2 is a schematic view of a partially cut-away structure of the filter box of the present utility model.

Fig. 3 is a schematic view of the sealing plate and the dirt collecting box of the present utility model.

Fig. 4 is a schematic view of the structure of the fastening bolt and the locking mechanism of the present utility model.

Fig. 5 is a schematic view of the structure of the sliding rail, the filter screen plate and the limiting member of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. PVC four-way connecting pipe fitting; 2. a three-way pipe fitting A; 201. a first valve; 202. a second valve; 3. a filter box; 301. a connection frame; 302. a slide rail; 303. a filter screen plate; 304. a plug board; 4. a sealing plate; 401. a dirt collection box; 402. a threaded through hole; 5. a three-way pipe fitting B; 501. a third valve; 502. a fourth valve; 6. a fastening bolt; 601. one-way limiting gears; 602. sector limiting teeth; 7. a locking mechanism; 701. a case body; 702. a locking slide block; 703. pulling the rod; 704. triangular locking blocks; 8. a limiting piece; 801. a frame; 802. a limit sliding block; 803. a partition plate; 804. a limit inserted link; 805. a handle.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 5:

the utility model provides a PVC sewage pipe connector, which comprises a PVC four-way connecting pipe fitting 1; the right end of the PVC four-way connecting pipe fitting 1 is connected with a three-way pipe fitting A2, and two interfaces at the right end of the three-way pipe fitting A2 are connected with two filter boxes 3; the right ends of the two filter tanks 3 are connected with two interfaces on the left side of a three-way pipe fitting B5, a third valve 501 and a fourth valve 502 are respectively arranged on two water inlet pipes on the left side of the three-way pipe fitting B5, and the fourth valve 502 is positioned in front of the third valve 501; the bottom of each filter box 3 is provided with a connecting frame 301, the bottom of each connecting frame 301 is fixedly connected with a sealing plate 4 through four fastening bolts 6, and four locking mechanisms 7 are arranged on the upper end face of each connecting frame 301; a limiting piece 8 is arranged on the right side inside each filter box 3; the two water outlet pipes on the right side of the three-way pipe fitting A2 are respectively provided with a first valve 201 and a second valve 202, and the first valve 201 is positioned behind the second valve 202;

two sliding rails 302 are fixedly connected to the right side surface of the inside of the filter box 3 in a front-back symmetrical mode, and a filter screen plate 303 is connected between the two sliding rails 302 in a sliding mode; a plug board 304 is arranged on the upper part of the left end surface of each sliding rail 302, and a plug hole is arranged on the front end surface of each plug board 304 and is used for being plugged with a limiting plug rod 804;

the upper end surface of the sealing plate 4 is provided with a dirt collecting box 401, and the dirt collecting box 401 is positioned at the lower end of the inner part of the filter box 3; four corners of the bottom end surface of the sealing plate 4 are provided with a threaded through hole 402 for being connected with the fastening bolt 6.

Referring to fig. 2 and 4, a unidirectional limiting gear 601 is arranged on the upper side of the outer part of the fastening bolt 6, and fan-shaped limiting teeth 602 are arranged on the periphery of the unidirectional limiting gear 601 in an annular array; the tightening direction of the tightening bolts 6 is clockwise; when the sealing plate 4 is in a sealed state at the bottom of the connection frame 301, the fastening bolts 6 penetrate through the connection frame 301 and are connected with the threaded through holes 402, so that the sealing plate 4 can be effectively fixed.

Referring to fig. 2 and 4, the locking mechanism 7 includes a box 701, a locking slider 702, a pulling rod 703 and a triangular locking block 704, the box 701 is mounted on the upper end surface of the connection frame 301, the locking slider 702 penetrating the head of the box 701 is slidably connected inside the box 701, and the triangular locking block 704 is arranged at the head end of the locking slider 702; the tail end of the locking slide block 702 is provided with a pulling rod 703 penetrating through the tail of the box body 701, and a spring is sleeved outside the pulling rod 703 and positioned at the inner side of the box body 701; when the locking mechanism 7 is in the locked state, the triangular locking block 704 is in close contact with the outer peripheral surface of the unidirectional limiting gear 601, and the tightening bolt 6 can be effectively prevented from loosening by the arrangement of the locking mechanism 7.

Referring to fig. 2 and 5, the limiting piece 8 comprises a frame 801, limiting sliding blocks 802, a partition 803, limiting inserting rods 804 and a handle 805, wherein the frame 801 is fixedly connected to the upper portion of the left end face of the filter screen plate 303, the front end and the rear end of the inside of the frame 801 are both slidably connected with one limiting sliding block 802, the opposite back faces of the two limiting sliding blocks 802 are both provided with one limiting inserting rod 804, and the two limiting inserting rods 804 respectively penetrate through the front side face and the rear side face of the frame 801; a partition 803 is arranged on the middle side of the inside of the frame 801, limit rods are arranged on the front end face and the rear end face of the partition 803, and springs are sleeved outside the two limit rods; a handle 805 is fixedly connected to the left end face of each limiting slider 802, and is configured to limit the filter screen plate 303 through the setting of the limiting member 8.

Specific use and action of the embodiment:

in the utility model, when the sewage treatment device is used, the first valve 201 and the third valve 501 are closed firstly, then when sewage is discharged, the sewage is collected into the water outlet pipe on the right side through the four water inlet pipes on the left side of the PVC four-way connecting pipe fitting 1, flows into the three-way pipe fitting A2, flows into the filter box 3 on the front side through the water outlet pipe on the front part on the right side of the three-way pipe fitting A2, filters sundries in the sewage through the filter screen 303 in the filter box 3 on the front side, and then the filtered sewage is discharged through the water inlet pipe on the front part on the left side of the three-way pipe fitting B5 and the water outlet pipe on the right side of the three-way pipe fitting B5, so that the collecting and conveying work of the sewage can be completed;

when the pipeline connecting piece is used for a period of time and impurities on the surface of the filter screen plate 303 in the front side filter box 3 need to be cleaned, the first valve 201 and the third valve 501 are firstly opened, then the second valve 202 and the fourth valve 502 are closed, then the four fastening bolts 6 on the front side connecting frame 301 are unscrewed, so that the front side sealing plate 4 loses sealing and fixing effects at the bottom of the front side connecting frame 301, then the front side sealing plate 4 is disassembled downwards, the front side dirt collecting box 401 is taken out from the front side filter box 3, and then the front side filter screen plate 303 is manually disassembled from the front side filter box 3 for cleaning;

when the filter screen plate 303 is dismounted, the two handles 805 are manually moved in opposite directions at the same time, so that the two limit sliding blocks 802 carry the two limit inserting rods 804 to move in opposite directions at the same time, and the two limit inserting rods 804 are respectively pulled out from the inside of the inserting holes formed in the two inserting plates 304, so that the filter screen plate 303 loses the fixing effect between the two sliding rails 302, and then the filter screen plate 303 is slid downwards to be dismounted.

Claims

1. A PVC drain connector, comprising: PVC four-way connecting pipe fitting (1); the right end of the PVC four-way connecting pipe fitting (1) is connected with a three-way pipe fitting A (2), and two interfaces at the right end of the three-way pipe fitting A (2) are connected with two filter boxes (3); the right ends of the two filter boxes (3) are connected with two interfaces on the left side of the three-way pipe fitting B (5), the bottom of each filter box (3) is provided with a connecting frame (301), the bottom of each connecting frame (301) is fixedly connected with a sealing plate (4) through four fastening bolts (6), and the upper end face of each connecting frame (301) is provided with four locking mechanisms (7); and a limiting piece (8) is arranged on the right side inside each filtering box (3).

2. A PVC drain connector as defined in claim 1, wherein: the two water outlet pipes on the right side of the three-way pipe fitting A (2) are respectively provided with a first valve (201) and a second valve (202), and the first valve (201) is positioned behind the second valve (202).

3. A PVC drain connector as defined in claim 1, wherein: two sliding rails (302) are fixedly connected to the right side surface of the inside of the filter box (3) in a front-back symmetrical mode, and a filter screen plate (303) is connected between the two sliding rails (302) in a sliding mode; and a plug board (304) is arranged on the upper part of the left end face of each sliding rail (302), and a plug hole is formed in the front end face of each plug board (304).

4. A PVC drain connector as defined in claim 1, wherein: the upper end face of the sealing plate (4) is provided with a dirt collecting box (401), and the dirt collecting box (401) is positioned at the lower end inside the filter box (3); four corners of the bottom end surface of the sealing plate (4) are respectively provided with a threaded through hole (402).

5. A PVC drain connector as defined in claim 1, wherein: and a third valve (501) and a fourth valve (502) are respectively arranged on the two water inlet pipes at the left side of the three-way pipe fitting B (5), and the fourth valve (502) is positioned in front of the third valve (501).

6. A PVC drain connector as defined in claim 4, wherein: the upper side of the outer part of the fastening bolt (6) is provided with a one-way limiting gear (601), and fan-shaped limiting teeth (602) are arranged behind the outer peripheral surface of the one-way limiting gear (601) in an annular array shape; the fastening direction of the fastening bolt (6) is clockwise; when the sealing plate (4) is in a sealing state at the bottom of the connecting frame (301), the fastening bolt (6) penetrates through the connecting frame (301) and is connected with the threaded through hole (402).

7. A PVC drain connector as defined in claim 6, wherein: the locking mechanism (7) comprises a box body (701), a locking slide block (702), a pulling rod (703) and a triangular locking block (704), wherein the box body (701) is arranged on the upper end face of the connecting frame (301), the locking slide block (702) penetrating through the head of the box body (701) is connected inside the box body (701) in a sliding manner, and the triangular locking block (704) is arranged at the head end of the locking slide block (702); the tail end of the locking sliding block (702) is provided with a pulling rod (703) penetrating through the tail of the box body (701), and a spring is sleeved outside the pulling rod (703) and positioned at the inner side of the box body (701); when the locking mechanism (7) is in a locking state, the triangular locking block (704) is in close contact with the outer peripheral surface of the one-way limiting gear (601).

8. A PVC drain connector as defined in claim 3, wherein: the limiting piece (8) comprises a frame body (801), limiting sliding blocks (802), a partition plate (803), limiting inserting rods (804) and handles (805), wherein the frame body (801) is fixedly connected to the upper portion of the left end face of the filter screen plate (303), the front end and the rear end of the inside of the frame body (801) are both slidably connected with the limiting sliding blocks (802), the two limiting inserting rods (804) are arranged on the opposite sides of the two limiting sliding blocks (802), and the two limiting inserting rods (804) penetrate through the front side and the rear side of the frame body (801) respectively; a partition plate (803) is arranged on the middle side of the inside of the frame body (801), limit rods are arranged on the front end face and the rear end face of the partition plate (803), and springs are sleeved outside the two limit rods; and the left end face of each limit sliding block (802) is fixedly connected with a handle (805).