Trap structure convenient to dredge

Abstract

The invention relates to the field of trap dredging, in particular to a trap structure convenient to dredge. The trap structure convenient to dredge comprises a pipeline structure, a cleaning structure is installed on the pipeline structure, the pipeline structure further comprises a bent pipe, the two ends of the bent pipe are not closed, a water outlet pipe is fixedly connected to one section of the bent pipe in an inserted mode, and an external pipe is fixedly welded to the position, close to the other end, of the circumferential outer wall of the bent pipe. A water inlet pipe is inserted and fixed at the other end of the external pipe; the cleaning structure is installed at the other end of the bent pipe and is composed of a supercharged dredging assembly, an auxiliary sealing assembly and an auxiliary positioning assembly. According to the trap structure convenient to dredge, the cleaning structure is installed at one end of the bent pipe, the bent portion of the bent pipe can be cleaned in a targeted mode in a pressurization mode, dredging of a pipeline is better facilitated, the external connecting pipe connected with the water inlet pipe can be closed in the pressurization process, and pressurization cleaning of the interior of the bent pipe is better facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of water trap dredging, in particular to a water trap structure convenient for dredging. BACKGROUND

[0002] The water trap is a curved part arranged in the drainage pipeline, which mainly forms a water seal to prevent odors, bacteria and pests in the pipeline from entering the indoor through the pipeline. It usually stores a certain height of water to play a sealing role.

[0003] Because the water trap itself has the function of water accumulation, it is easy to accumulate dirt at the curved part, that is, the curved structure is easy to deposit grease, hair and the like, and after being blocked, it needs to be manually disassembled or mechanically dredged, which is low in efficiency and easy to damage the pipeline.

[0004] Therefore, it is necessary to provide a new water trap structure convenient for dredging to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the present application provides a water trap structure convenient for dredging.

[0006] The water trap structure convenient for dredging provided by the present application comprises a pipeline structure, a cleaning structure is installed on the pipeline structure, and further comprises: The pipeline structure comprises a bend pipe, both ends of the bend pipe are not closed, one end is inserted and fixed with a water outlet pipe, and the outer wall of the bend pipe is welded and fixed with an external pipe near the other end, and the other end of the external pipe is inserted and fixed with a water inlet pipe; The cleaning structure is installed on the other end of the bend pipe and is composed of a pressurized dredging assembly, an auxiliary sealing assembly and an auxiliary positioning assembly; The pressurized conveying assembly comprises a first cylinder body which can move axially relative to the bend pipe, the first cylinder body extends into the interior of the bend pipe, and the end thereof is an air outlet end, the interior of the first cylinder body has a rubber piston which can move axially, and the movement of the rubber piston is used to inject the gas in the interior of the first cylinder body into the interior of the bend pipe, so as to increase the air pressure of the closed space formed between the external pipe and the liquid surface in the bend pipe; The auxiliary sealing assembly comprises a second cylinder body, the second cylinder body is arranged concentrically with the first cylinder body and is fixed to the exterior of the first cylinder body, and is further slidably connected to the interior of the bend pipe, the movement of the first cylinder body can make the second cylinder body completely correspond to or completely deviate from the position of the external pipe, so as to control the opening and closing state between the bend pipe and the external pipe.

[0007] Preferably, the inner wall of the bend pipe is further welded and fixed with a blocking ring away from the water outlet pipe, the lower end surface of the blocking ring is in a stepped shape, and a first sealing ring is bonded and fixed on any stepped plane; The baffle ring is also provided with multiple through first air inlets, and a filter screen covering the first air inlets is fixed on the side of the baffle plate facing the outside of the bend.

[0008] Preferably, the first cylinder passes through and is slidably connected to the retaining ring, and the outer diameter of the first cylinder is smaller than the inner diameter of the bend, so that a sealed chamber is formed between the first cylinder and the bend, and the sealed chamber is connected to the first air inlet.

[0009] Preferably, one end of the rubber piston is fixed with a piston rod, the other end of the piston rod extends axially to the outside of the first cylinder and is fixed with a handle, and a first one-way valve is also fixed inside the first cylinder near the air outlet.

[0010] Preferably, a plurality of annularly distributed baffles are integrally connected to the inner circumference of the second cylinder, and the other end of the baffles is welded to the first cylinder, so that a plurality of fan-shaped closed cavities are formed between the first cylinder and the second cylinder. An air inlet pipe is fixed to the outer circumference of the first cylinder, and the air inlet pipe connects the interior of the first cylinder and the closed cavities. A second one-way valve is fixed to one end of the air inlet pipe. The upper end of the second cylinder is integrally connected to a docking seat. The upper end of the docking seat is stepped to fit the retaining ring, so that the docking seat can be assembled and fixed with the retaining ring. Multiple second air inlets are provided on the docking seat, and the second air inlets connect the sealed chamber and the closed chamber.

[0011] Preferably, the outer circumferential wall of the second cylinder also has two sets of first positioning ring plates distributed vertically, and an annular groove is formed between any set of first positioning ring plates and the second cylinder. A second sealing ring for filling the gap between the second cylinder and the inner wall of the bend is bonded and fixed inside the annular groove.

[0012] Preferably, the distance between the two sets of first positioning ring plates is greater than the diameter of the outer pipe, so that the two second sealing rings can be located above and below the connection area between the bend and the outer pipe, respectively, to achieve the sealing between the bend and the outer pipe. A set of first positioning ring plates located below and a second sealing ring installed inside them are provided with radial drainage holes. The annular groove in the set of first positioning rings also has a protrusion that can be embedded in the second sealing ring. When the protrusion is embedded in the second sealing ring, the drainage hole in the first positioning ring plate corresponds to the drainage hole in the second sealing ring.

[0013] Preferably, the auxiliary positioning assembly comprises a positioning seat welded to the outer wall of the first cylinder and located outside the elbow pipe, an outer positioning ring plate concentrically arranged is fixed to the outside of the positioning seat through a plurality of connecting plates, a plurality of locking plates are arranged on the upper end surface of the outer positioning ring plate and arranged in a ring shape around the through hole, the plurality of locking plates form a boss-shaped retractable clamping sleeve, and a locking ring is threadedly connected to the outside of the clamping sleeve. The positioning light pole arranged in the axial direction is arranged at one end of the elbow pipe, the positioning light pole passes through the outer positioning ring plate along the through hole, and the outer positioning ring plate is fixed on the light pole through the retracted clamping sleeve.

[0014] Preferably, a spring is further arranged outside the first cylinder, one end of the spring abuts against the stop ring, and the other end abuts against the positioning seat.

[0015] Compared with the related art, the water trap structure facilitating dredging has the following beneficial effects: The cleaning structure is arranged at one end of the elbow pipe, the elbow pipe can be cleaned through pressurization, the dredging of the pipe is more facilitated, and the external connecting pipe connected with the water inlet pipe can be closed during pressurization, so that the pressurization and cleaning of the inside of the elbow pipe are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure diagram of a preferred embodiment of the water trap structure facilitating dredging is shown. Figure 2 The structure diagram of the pipe structure is shown. Figure 1 ; Figure 3 The structure diagram of the elbow pipe is shown. Figure 4 The structure diagram of the cleaning structure and the elbow pipe is shown. Figure 5 The structure diagram of the cleaning structure in use is shown. Figure 6 The structure diagram of the pressurization type dredging assembly is shown. Figure 7 The structure diagram of the auxiliary sealing assembly is shown. Figure 1 ; Figure 8 The structure diagram of the auxiliary sealing assembly is shown. Figure 2 ; Figure 9 The structure diagram of the auxiliary positioning assembly is shown.

[0017] The figure label: 1, pipe structure; 11, elbow; 12, external pipe; 13, water inlet pipe; 14, water outlet pipe; 15, retaining ring; 16, first sealing ring; 17, first air inlet hole; 18, filter screen; 2, cleaning structure; 21, pressurized dredging assembly; 211, first cylinder; 212, rubber piston; 213, piston rod; 214, handle; 215, first one-way valve; 22, auxiliary sealing assembly; 221, second cylinder; 222, baffle; 223, sealing cavity; 224, second one-way valve; 225, butt joint seat; 226, second air inlet hole; 227, first positioning ring plate; 228, ring groove; 229, second sealing ring; 2210, protrusion; 2211, drain hole; 23, auxiliary positioning assembly; 231, positioning seat; 232, connecting plate; 233, outer positioning ring plate; 234, locking plate; 235, positioning light rod; 236, locking ring; 24, spring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0019] The specific implementation of the present application is described in detail below in combination with specific examples.

[0020] Please refer to Figures 1 to 9 The water trap structure provided by the embodiment of the present application is convenient to dredge, and the water trap structure convenient to dredge comprises a pipe structure 1 and a cleaning structure 2. The cleaning structure 2 is composed of a pressurized dredging assembly 21, an auxiliary sealing assembly 22 and an auxiliary positioning assembly 23.

[0021] For the pipe structure 1, Please refer to Figure 2 and Figure 3 The pipe structure 1 comprises an elbow 11, both ends of the elbow 11 are not closed, one end of the elbow 11 is inserted and fixed with a water outlet pipe 14, the outer wall of the circumference of the elbow 11 is welded and fixed with an external pipe 12 near the other end, and the other end of the external pipe 12 is inserted and fixed with a water inlet pipe 13; The inner wall of the circumference of the elbow 11 is also welded and fixed with a retaining ring 15 away from the water outlet pipe 14, the lower end surface of the retaining ring 15 is stepped, and the first sealing ring 16 is adhered and fixed on any stepped plane; The baffle ring 15 is also provided with multiple through first air inlets 17, and a filter screen 18 covering the first air inlets 17 is fixed on the side of the baffle ring 15 facing the outside of the bend 11.

[0022] It should be noted that in this pipe structure 1, the bend 11, the external connector 12, the inlet pipe 13, and the outlet pipe 14 together form a complete pipeline. That is, the sewage enters along the inlet pipe 13, enters the bend 11 through the external connector 12, and then is discharged from the outlet pipe 14. The bend 11 has a water trap to achieve a water seal and prevent odor. The retaining ring 15 is used in conjunction with the auxiliary sealing component 22. It can be assembled and connected with the auxiliary sealing component 22 when the bend 11 is not being cleaned to ensure the seal of the bend 11. The first air inlet 17 is used to supply air to the pressurized unblocking component 21, so that air is continuously injected into the bend 11 through the pressurized unblocking component 21, and the air pressure is used to unblock the bend 11. A filter screen 18 is also provided on the retaining ring 15 to filter dirt in the air, which can increase the service life of the cleaning structure 2 itself.

[0023] For the pressurized unblocking component 21; Please see Figure 6 The pressurized unblocking assembly 21 includes a first cylinder 211 that can move axially relative to the bend 11. The first cylinder 211 extends into the interior of the bend 11, and this end is the air outlet. The first cylinder 211 passes through and is slidably connected to the retaining ring 15. The outer diameter of the first cylinder 211 is smaller than the inner diameter of the bend 11, so that a sealed chamber is formed between the first cylinder 211 and the bend 11. The sealed chamber is connected to the first air inlet 17. The first cylinder 211 has an axially movable rubber piston 212 inside. The movement of the rubber piston 212 injects the gas inside the first cylinder 211 into the bent pipe 11, increasing the gas pressure in the closed space formed between the outer pipe 12 and the liquid surface in the bent pipe 11. One end of the rubber piston 212 is fixed with a piston rod 213, and the other end of the piston rod 213 extends axially to the outside of the first cylinder 211 and is fixed with a handle 214. A first one-way valve 215 is also fixed inside the first cylinder 211 near the gas outlet.

[0024] It should be noted that: booster dredging assembly 21, the first cylinder 211 is the basic structure, which has a rubber piston 212 inside, by pulling the handle 214 rubber piston 212 can drive the piston rod 213 to move, so that the first cylinder 211 inside the gas injection to the elbow 11, to increase the pressure of the closed space formed between the elbow 11 outer tube 12 to the liquid surface, the area pressure increases, can be stored in the elbow of the sewage to produce pressure, push the sewage to the position of the drain pipe 14, realize the cleaning of the water trap, so that the dredging of the water trap is more convenient, at the same time, the first cylinder 211 of the gas outlet end is provided with a first check valve 215, which can avoid sewage into the first cylinder 211 inside; Therefore, the outer diameter of the first cylinder 211 is smaller than the inner diameter of the elbow 11, so that a sealed chamber is formed between them, which is connected with the first air inlet hole 17, so that the external gas can enter the sealed chamber.

[0025] For auxiliary sealing assembly 22; Please refer to Figure 7 And Figure 8 , auxiliary sealing assembly 22 includes a second cylinder 221, which is coaxially arranged with the first cylinder 211 and fixed outside the first cylinder 211, and is also slidingly connected inside the elbow 11. The movement of the first cylinder 211 can make the second cylinder 221 completely correspond to or completely offset from the position of the outer tube 12, so as to control the opening and closing state between the elbow 11 and the outer tube 12. A plurality of annular baffles 222 are integrally connected on the circumferential inner wall of the second cylinder 221, and the other end of the baffle 222 is welded with the first cylinder 211, so that a plurality of fan-shaped closed cavities 223 are formed between the first cylinder 211 and the second cylinder 221. The circumferential outer wall of the first cylinder 211 is fixed with an air inlet pipe, which is connected with the inside of the first cylinder 211 and the closed cavity 223, and one end of the air inlet pipe is fixed with a second check valve 224. The upper end of the second cylinder 221 is integrally connected with a butt joint seat 225, which is stepped to fit the retaining ring 15, so that the butt joint seat 225 can be assembled and fixed with the retaining ring 15. A plurality of second air inlet holes 226 are formed on the butt joint seat 225, which are connected with the sealed chamber and the closed cavity 223.

[0026] It should be noted that: for the auxiliary closed assembly 22, it includes a second cylinder 221 fixed outside the first cylinder 211, and a plurality of baffles 222 are arranged between the two, which separate a plurality of closed cavities 223 between the two through the baffles 222, which are communicated with the sealed chamber through the second air inlet hole 226, so that air can enter the inside of the closed cavity 223, and the inside of the first cylinder 211 is communicated through the air inlet pipe, so that air can enter the inside of the first cylinder 211, thereby realizing the continuous supply of air to the inside of the first cylinder 211; A docking seat 225 is also arranged on the upper end of the second cylinder 221, the upper end of the docking seat 225 is adapted to the stepped surface of the lower end of the retaining ring 15, and the docking seat 225 is connected with the retaining ring 15 when the cleaning structure 2 is not in use, and the two have a first sealing ring 16 therebetween, realizing multi-stage sealing and better sealing effect.

[0027] Please refer to Figure 7 , the circumferential outer wall of the second cylinder 221 also has two groups of first positioning ring plates 227 distributed upward and downward, and a ring groove 228 is formed between any one group of first positioning ring plates 227 and the second cylinder 221, and a second sealing ring 229 for filling the gap between the second cylinder 221 and the inner wall of the elbow pipe 11 is bonded and fixed in the ring groove 228; The distance between the two groups of first positioning ring plates 227 is greater than the diameter of the outer connecting pipe 12, so that the two second sealing rings 229 can be located above and below the connection area of the elbow pipe 11 and the outer connecting pipe 12, respectively, realizing the sealing between the elbow pipe 11 and the outer connecting pipe 12; A radial drainage hole 2211 is also arranged on the group of first positioning ring plates 227 located below and the second sealing ring 229 mounted therein, and the ring groove 228 in the group of first positioning ring plates 227 also has a protrusion 2210 that can be embedded in the second sealing ring 229, and when the protrusion 2210 is embedded in the second sealing ring 229, the drainage hole 2211 in the first positioning ring plate 227 corresponds to the drainage hole 2211 in the second sealing ring 229.

[0028] It should be noted that because the first cylinder 211 can move axially relative to the elbow pipe 11, the second cylinder 221 can be moved together, and the second sealing ring 229 is arranged outside the second cylinder 221, that is, when the cleaning structure 2 is not in use, the position of the second cylinder 221 should be as shown in Figure 4 At this time, the outer connecting pipe 12 is completely communicated with the elbow pipe 11, which can meet the normal drainage use, and the second sealing ring 229 arranged on the circumferential outer wall of the second cylinder 221 can be used as a sealing structure to realize further sealing of the elbow pipe 11; When the elbow pipe 11 needs to be cleaned, the position of the second cylinder 221 should be as shown in Figure 5As shown, at this time, the second cylinder body 221 corresponds to the position of the outer connecting pipe 12, and realizes complete sealing between the outer connecting pipe 12 and the elbow pipe 11 through two second sealing rings 229 (not taking into account the drain hole 2211), at this time, the gas injected into the inside of the elbow pipe 11 cannot be discharged reversely from the outer connecting pipe 12, but is concentrated in the inside of the elbow pipe 11, so that the elbow pipe 11 can be quickly cleaned (in the case of the present application, two second sealing rings 229 smaller than the second cylinder body 221 are arranged for the convenience of moving the second cylinder body 221, and a sealing ring completely covering the second cylinder body 221 can also be arranged, so that the sealing effect between the elbow pipe 11 and the outer connecting pipe 12 will be better, so that the drain hole 2211 does not need to be arranged), and a small amount of sewage will enter between the two first positioning ring plates 227 during the cleaning process, which can be discharged through the drain hole 2211.

[0029] For the auxiliary positioning assembly 23; Please refer to Figure 4 and Figure 9 , the auxiliary positioning assembly 23 includes a positioning seat 231, which is welded and fixed to the outer wall of the first cylinder body 211 and located outside the elbow pipe 11, and a plurality of connecting plates 232 are fixed to the outside of the positioning seat 231, and a plurality of outer positioning ring plates 233 are concentrically arranged on the connecting plates 232, a plurality of through holes are formed in the outer positioning ring plates 233, and a plurality of locking plates 234 are fixed to the upper end surface of the outer positioning ring plates 233 and arranged in a ring shape around the through holes, the plurality of locking plates 234 form a boss-shaped and retractable sleeve, and a locking ring 236 is threadedly connected to the outside of the sleeve; The elbow pipe 11 is also fixed with an axially arranged positioning light rod 235, the positioning light rod 235 passes through the outer positioning ring plates 233 along the through holes, and the outer positioning ring plates 233 can be fixed on the positioning light rod 235 through the retracted sleeve; The first cylinder body 211 is also sleeved with a spring 24, one end of the spring 24 abuts against the stop ring 15, and the other end abuts against the positioning seat 231.

[0030] It should be noted that: for the auxiliary positioning assembly 23, it is mainly used for fixing the used and unused states of the pressurized dredging assembly 21, that is, the positioning seat 231 is fixed on the first cylinder body 211 and can also move together with the first cylinder body 211, and the positioning light rod 235 is arranged at the end of the elbow pipe 11, the positioning light rod 235 passes through the outer positioning ring plates 233, the sleeve on the outer positioning ring plates 233 can be controlled through the locking ring 236, so that it can hold the positioning light rod 235, at this time, the outer positioning ring plates 233 can be fixed on the positioning light rod 235, and the pressurized dredging assembly 21 and the auxiliary sealing assembly 22 can also be positioned, so as to ensure the stability of the two; The spring 24 is mainly used for the non-use state of the cleaning structure 2, at this time, the first cylinder body 211 has a tendency to move towards the outside of the elbow pipe 11 by the elastic force of the spring 24, at this time, the butt joint between the retaining ring 15 and the butt seat 225 is more compact, and the sealing effect on the elbow pipe 11 is enhanced.

[0031] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A structure of a trap facilitating unclogging, comprising a pipe structure (1) on which a cleaning structure (2) is installed, characterized in that, Also include: The pipeline structure (1) includes a bend (11), both ends of the bend (11) are not closed, one end of the bend (11) is inserted and fixed with a water outlet pipe (14), the outer wall of the bend (11) is welded and fixed with an external pipe (12) near the other end, the other end of the external pipe (12) is inserted and fixed with a water inlet pipe (13); The cleaning structure (2) is installed on the other end of the bend (11) and consists of a booster type dredging assembly (21), an auxiliary sealing assembly (22) and an auxiliary positioning assembly (23); The booster type conveying assembly (21) includes a first cylinder (211) which can move axially relative to the bend (11), the first cylinder (211) extends into the bend (11), and the end is the air outlet end, the first cylinder (211) has a rubber piston (212) which can move axially inside, the movement of the rubber piston (212) injects the gas inside the first cylinder (211) into the bend (11), increasing the air pressure of the closed space formed between the external pipe (12) and the liquid surface in the bend (11); The auxiliary sealing assembly (22) includes a second cylinder (221), the second cylinder (221) is coaxially arranged with the first cylinder (211) and is fixed outside the first cylinder (211), and is also slidingly connected inside the bend (11), the movement of the first cylinder (211) can make the second cylinder (211) completely correspond or completely offset with the position of the external pipe (12), so as to control the opening and closing state between the bend (11) and the external pipe (12).

2. The easy-to-clear trap configuration of claim 1, wherein, The bend (11) is also welded and fixed with a baffle ring (15) on the inner wall and away from the water outlet pipe (14), the lower end surface of the baffle ring (15) is stepped, and the first sealing ring (16) is adhered and fixed on any stepped plane; The baffle ring (15) is also provided with a plurality of first air inlet holes (17) penetrating through, and the side of the baffle ring (15) facing the outside of the bend (11) is also fixed with a filter screen (18) covering the first air inlet holes (17).

3. The easy-to-clear trap configuration of claim 1, wherein, The first cylinder (211) passes through the baffle ring (15) and is slidingly connected therewith, the outer diameter of the first cylinder (211) is smaller than the inner diameter of the bend (11), so that a sealed chamber is formed between the first cylinder (211) and the bend (11), and the sealed chamber is in communication with the first air inlet holes (17).

4. The easy-to-clear trap configuration of claim 3, wherein, One end of the rubber piston (212) is fixed with a piston rod (213), the other end of the piston rod (213) extends axially to the outside of the first cylinder (211) and is fixed with a handle (214), and the first one-way valve (215) is also fixed inside the first cylinder (211) and near the air outlet end.

5. The easy-to-clear trap configuration of claim 1, wherein, A plurality of annularly distributed baffles (222) are integrally connected to the circumferential inner wall of the second cylinder (221), and the other end of the baffles (222) is welded to the first cylinder (211), so that a plurality of closed cavities (223) in the shape of a sector are formed between the first cylinder (211) and the second cylinder (221), and a gas inlet pipe is fixed to the circumferential outer wall of the first cylinder (211), which communicates with the inside of the first cylinder (211) and the closed cavities (223), and a second one-way valve (224) is fixed to one end of the gas inlet pipe; An adapter seat (225) is integrally connected to the upper end of the second cylinder (221), the upper end of the adapter seat (225) is stepped to adapt to the blocking ring (15), so that the adapter seat (225) can be assembled and fixed with the blocking ring (15), and a plurality of second gas inlet holes (226) are formed in the adapter seat (225), which communicate with the sealed chamber and the closed cavities (223).

6. The easy-to-clear trap configuration of claim 5, wherein, The circumferential outer wall of the second cylinder (221) further has two groups of first positioning ring plates (227) distributed above and below, and an annular groove (228) is formed between any one group of first positioning ring plates (227) and the second cylinder (221), and a second sealing ring (229) for filling the gap between the inner wall of the second cylinder (221) and the elbow (11) is bonded and fixed in the annular groove (228).

7. The easy-to-clear trap configuration of claim 6, wherein, The distance between the two groups of first positioning ring plates (227) is greater than the diameter of the outer connecting pipe (12), so that the two second sealing rings (229) can be located above and below the connection area of the elbow (11) and the outer connecting pipe (12), respectively, to achieve the sealing between the elbow (11) and the outer connecting pipe (12); A radial drainage hole (2211) is further provided on the group of first positioning ring plates (227) located below and the second sealing ring (229) mounted therein, and the annular groove (228) in the group of first positioning rings (227) has a protrusion (2210) that can be embedded in the second sealing ring (229), and when the protrusion (2210) is embedded in the second sealing ring (229), the drainage hole (2211) in the first positioning ring plate (227) corresponds to the drainage hole (2211) in the second sealing ring (229).

8. The easy-to-clear trap configuration of claim 1, wherein, The auxiliary positioning assembly (23) comprises a positioning seat (231) which is welded and fixed to the circumferential outer wall of the first cylinder (211) and located outside the elbow (11), and an outer positioning ring plate (233) arranged concentrically is fixed to the outside of the positioning seat (231) through a plurality of connecting plates (232), a plurality of locking plates (234) are arranged annularly around the through hole in the outer positioning ring plate (233), and a plurality of locking plates (234) form a convex boss-shaped and retractable clamping sleeve, and a locking ring (236) is threadedly connected to the outside of the clamping sleeve. The elbow pipe (11) is fixed with an axially arranged positioning light pole (235) at one end, the positioning light pole (235) passes through the outer positioning ring plate (233) along the through hole, and the outer positioning ring plate (233) can be fixed on the light pole (235) by the contracted clamping sleeve.

9. The easy-to-clear trap configuration of claim 8, wherein, The first barrel (211) is further sleeved with a spring (24) outside, one end of the spring (24) abuts against the stop ring (15), and the other end abuts against the positioning seat (231).

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