CN214116893U - Novel municipal garden drain pipe - Google Patents

Abstract

The utility model relates to a novel municipal garden drain pipe relates to the field of drain pipe, and it includes the body, and the intercommunication is provided with connecting pipe and lower connecting pipe on the body, goes up and is provided with first filter screen in the connecting pipe, goes up and is provided with the setting element on the inner wall of connecting pipe, has seted up the mounting groove on the first filter screen, and the up end of first filter screen still is provided with the action bars, is provided with the collection frame in the lower connecting pipe, is provided with the lifting rod on the collection frame, and the mouth of pipe department of going up the connecting pipe articulates there is the apron. When first filter screen is blockked up the back, the apron is opened in the upset, drive first filter screen through the action bars and take out in following the body and can clear up first filter screen, need not to get into in the drain pipe and clear up first filter screen, make the first filter screen of clearance more convenient, after the clearance, handheld action bars drive first filter screen and remove and make setting element card go into the mounting groove in, loosen the installation that the action bars can realize first filter screen, make the installation more convenient with dismantling first filter screen.

Description

Novel municipal garden drain pipe

Technical Field

The utility model relates to a field of drain pipe especially relates to a novel municipal garden drain pipe.

Background

The landscaping is to plant, shape and other greening treatments on plants so as to model landscape and achieve related effects. The landscaping can improve the ecological environment and play a role in absorbing harmful gases and releasing clean air. In the municipal garden environmental protection afforestation work progress, must use multiple drain pipe to be used for drainage or water supply better, improve its result of use.

For reducing the gardens drain pipe and piling up the condition that the jam appears because of debris, generally install the filter screen in the current drain pipe, filter sewage through the filter screen, reduce debris and pile up and then block up the condition of drain pipe, nevertheless when the drain pipe uses the back for a long time, the hole on the filter screen in the drain pipe is blockked up the filter effect that makes the filter screen and descends, need get into in the drain pipe and clear up the filter screen, and is more troublesome, remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the filter screen and need get into the drain pipe after blockking up and clear up more troublesome problem to the filter screen, this application provides a novel municipal garden drain pipe.

The application provides a pair of novel municipal garden drain pipe adopts following technical scheme:

a novel municipal garden drain pipe comprises a pipe body, wherein an upper connecting pipe and a lower connecting pipe are communicated and arranged on the pipe body, the upper connecting pipe and the lower connecting pipe are respectively positioned on the upper side and the lower side of the pipe body and are aligned, a first filter screen is arranged in the upper connecting pipe, and the first filter screen covers the cross section of the pipe body; go up and be provided with the setting element on the inner wall of connecting pipe, seted up the confession on the first filter screen the mounting groove of location is gone into to the setting element card, the up end of first filter screen still is provided with the action bars, be provided with the collection frame down in the connecting pipe, be provided with the lifting rod on the collection frame, the mouth of pipe department of going up the connecting pipe articulates there is the apron, the apron is contradicted the action bars with the lifting rod sets up.

By adopting the technical scheme, when the first filter screen is blocked after being used for a long time, the cover plate is turned over and opened, the mounting groove on the first filter screen is driven to be separated from the positioning piece by holding the operating rod by hand, and then the first filter screen is driven to be taken out from the pipe body by moving the operating rod so as to clean the first filter screen without entering the drain pipe to clean the first filter screen, so that the first filter screen is more convenient to clean; after cleaning, the handheld operating rod drives the first filter screen to extend into the pipe body, so that the mounting groove on the first filter screen is aligned with the positioning piece, the operating rod is moved to enable the positioning piece to be clamped into the mounting groove, the operating rod is loosened, the first filter screen descends under the action of gravity, so that the mounting of the first filter screen on the upper connecting pipe is realized by the inner wall of the positioning piece abutting against the mounting groove, the first filter screen is more convenient to mount and dismount, the upper cover plate is overturned, the cover plate abuts against the operating rod, the moving condition of the operating rod is further reduced, the condition that the positioning piece is separated from the mounting groove is further reduced, and the stability of the first filter screen mounted on the upper connecting pipe is better; set up and collect the frame, the debris that is blocked by first filter screen drops to collecting in the frame, regularly through handheld pull rod will collect the frame and mention, will collect the debris in the frame and empty the back and put back in connecting pipe department down, reduced debris and piled up and then blockked up the condition of first filter screen for the filter effect of first filter screen is better.

Optionally, an embedded groove is formed in the inner wall of the mounting groove, the embedded groove is located at the position, close to the mounting groove, of one side of the upper connecting pipe, the positioning piece comprises a fixing portion and a positioning portion, the fixing portion is arranged on the upper connecting pipe, the positioning portion is arranged on the fixing portion, and the positioning portion is clamped into the embedded groove and abutted against the inner wall of the embedded groove.

Through adopting above-mentioned technical scheme, back in the mounting groove is gone into to the locating part card, and the caulking groove aligns with location portion, loosens the action bars, and first filter screen descends under the action of gravity for thereby the locating part card is gone into in the caulking groove, thereby fixes a position first filter screen through the inner wall of the caulking groove of location portion conflict, has reduced the condition that the mounting groove was deviate from to the locating part, makes the positional stability between first filter screen and the last connecting pipe better.

Optionally, a positioning block is arranged on the inner wall of the pipe body and located below the first filter screen, and a positioning groove for clamping the positioning block is formed in the outer side wall of the first filter screen.

Through adopting above-mentioned technical scheme, back in the mounting groove is gone into to the spacer card, in the time of caulking groove and location portion alignment, the locating piece is aimed at with the constant head tank, location portion card goes into in the caulking groove when first filter screen descends, at this moment, the locating piece card is gone into and is fixed a position the lower extreme of first filter screen in the constant head tank, the positional stability of first filter screen in last connecting tube has been improved, and the gap between first filter screen and the body lower extreme inner wall has been sealed off, the condition that debris pass through from the gap between first filter screen and the body lower extreme inner wall has been reduced, and then the condition of drain pipe shutoff has been reduced, the filter effect of first filter screen has been improved.

Optionally, a guide surface is arranged at the end part of the positioning block close to the first filter screen.

Through adopting above-mentioned technical scheme, set up the spigot surface, lead to the locating piece when the locating piece card is gone into in the constant head tank, reduced the lateral wall of the first filter screen of locating piece conflict and then blocked the condition that leads to can't the card to go into in the constant head tank for it is more convenient that the locating piece card is gone into in the constant head tank.

Optionally, be provided with the second filter screen in the body, the second filter screen is located first filter screen is followed the place ahead of the liquid flow direction in the body, just the second filter screen with the lower extreme of first filter screen all is located collect in the frame, the hole of second filter screen is greater than the hole of first filter screen.

By adopting the technical scheme, the second filter screen is arranged and is used for primarily filtering the sundries with larger volume in the sewage in the drain pipe, and then the first filter screen is used for filtering the residual sundries with smaller volume again, so that the filtering effect of the drain pipe is improved, meanwhile, when the second filter screen is blocked, the second filter screen is taken out for cleaning, and the first filter screen also continues to play a role in filtering, when the first filter screen is blocked, the first filter screen is taken out for cleaning, and the second filter screen continues to play a role in filtering, through the alternative use of first filter screen and second filter screen, compare in only setting up first filter screen, it clears up first filter screen to have reduced when first filter screen is blockked up, and at this moment, the filter effect of drain pipe has further been improved to the condition that a large amount of impurity passed through the drain pipe.

Optionally, be provided with the gib block on the inner wall of last connecting pipe, the gib block is located go up the relative both sides of connecting pipe, just the gib block extends to in the body, the gib block is close to the tip of body sets up the locating plate, the guide way has been seted up on the lateral wall of second filter screen, the guide way supplies the gib block card is gone into, the second filter screen is contradicted the locating plate sets up.

Through adopting the above technical scheme, when the installation second filter screen, aim at guide way and gib block on the second filter screen, remove the second filter screen, make in the gib block embedding guide way, the inner wall through the gib block conflict guide way leads the second filter screen, it is internal to make the second filter screen remove the admission pipe, to the installation that the second filter screen can be accomplished to second filter screen conflict locating plate realization location, when taking out the second filter screen, the lateral wall of hand my second filter screen take out the second filter screen can, need not to dismantle and install the second filter screen in the admission pipe body, it is more convenient to make dismantlement and installation second filter screen.

Optionally, the collecting frame comprises a fine material frame and a coarse material frame, the coarse material frame is located in the fine material frame, the coarse material frame is close to the second filter screen, a gap is reserved between the coarse material frame and the fine material frame, and the lower end of the first filter screen is located in the gap.

Through adopting above-mentioned technical scheme, set up coarse fodder frame and thin material frame, the great debris of volume that are filtered by the second filter screen fall into coarse fodder frame in, the less debris of volume that are filtered by first filter screen fall into thin material frame to carry out preliminary screening to debris in the sewage, time and the resource of spending when having reduced above-mentioned debris of follow-up processing have energy-conserving effect.

Optionally, the lifting rod is arranged on the fine material frame, a supporting plate is arranged on the inner wall of the fine material frame, a positioning hole is formed in the supporting plate, the lower end face of the coarse material frame is abutted against the supporting plate, a positioning column is arranged on the lower end face of the coarse material frame, and the positioning column is clamped into the positioning hole.

Through adopting above-mentioned technical scheme, set up backup pad, locating hole and reference column, thereby fix a position the coarse fodder frame in going into the locating hole through the reference column card, reduced the coarse fodder frame and taken place to remove the condition that leads to staggering with the lower extreme of second filter screen, and then reduced the great debris of volume and fallen into the condition in the thin material frame for screening effect to debris in the sewage is better, supports the coarse fodder frame through the backup pad, has improved the overall stability of coarse fodder frame in the thin material frame.

Optionally, a third filter screen is arranged at the bottom of the coarse material frame, and material penetrating holes are formed in the supporting plate.

Through adopting above-mentioned technical scheme, set up the third filter screen and pass through the material hole, in some less debris of volume fell into the coarse fodder frame along with the great debris of volume together, in long-time deposit, the less debris of volume passed through the third filter screen and passed through the material hole and get into the fine material frame for screening to debris in the sewage is more thorough.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting the first filter screen, the mounting groove and the positioning piece, when the first filter screen is blocked, the cover plate is turned over and opened, the operating rod drives the first filter screen to be taken out of the pipe body, the first filter screen can be cleaned, the first filter screen does not need to be cleaned in the drain pipe, the first filter screen is more convenient to clean, after the first filter screen is cleaned, the operating rod is held by hand to drive the mounting groove in the first filter screen to be aligned with the positioning piece, the positioning piece is clamped in the mounting groove, the first filter screen can be mounted on the upper connecting pipe by loosening the operating rod, and the first filter screen is more convenient to mount and dismount;

2. by arranging the second filter screen, the second filter screen performs primary filtration on the sewage, and the first filter screen performs secondary filtration on the sewage after the primary filtration, the filtering effect of the drain pipe is improved;

3. through setting up coarse fodder frame and fine material frame, carry out preliminary screening to the debris in the sewage, time and the resource that the time spent when having reduced above-mentioned debris of follow-up processing have energy-conserving effect.

Drawings

FIG. 1 is an overall schematic view of an embodiment of the present application;

fig. 2 is a structural diagram of the pipe body, the upper connecting pipe and the lower connecting pipe in a cut-away manner according to the embodiment of the present application, which mainly shows the structure of the first filter screen;

fig. 3 is a structural diagram of the embodiment of the present application, partially cut at the pipe body, the upper connecting pipe and the lower connecting pipe, and mainly shows the structure of the positioning element;

fig. 4 is a structural diagram of the embodiment of the present application, partially cut at the upper connecting tube and the lower connecting tube, and mainly shows the structure of the positioning plate;

fig. 5 is a structural diagram of the embodiment of the present application, partially cut away from the collecting frame, and mainly shows the structure of the positioning column.

Description of reference numerals: 1. a pipe body; 2. an upper connecting pipe; 21. a cover plate; 22. a guide strip; 221. positioning a plate; 3. a lower connecting pipe; 4. a first filter screen; 41. an operating lever; 42. mounting grooves; 421. caulking grooves; 43. positioning a groove; 5. a positioning member; 51. a fixed part; 52. a positioning part; 6. positioning blocks; 61. a guide surface; 7. a second filter screen; 71. a guide groove; 72. a grab bar; 8. a collection frame; 81. fine material frame; 811. lifting a pull rod; 82. a coarse material frame; 821. a positioning column; 822. mounting holes; 9. a support plate; 91. positioning holes; 92. a material through hole; 10. a third filter screen; 11. a void.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses novel municipal garden drain pipe. Referring to fig. 1, novel municipal garden drain pipe includes body 1, and body 1 is the pipe. The body 1 is gone up the intercommunication and is fixed with upper connecting pipe 2 and lower connecting pipe 3, and upper connecting pipe 2 and lower connecting pipe 3 are located the upper and lower both sides of body 1 respectively and align the setting, and upper connecting pipe 2 and lower connecting pipe 3 are square pipes. In actual use, the pipe body 1, the upper connecting pipe 2 and the lower connecting pipe 3 are integrally arranged.

Referring to fig. 2, the pipe orifice of the upper connecting pipe 2 is hinged with a cover plate 21, the hinge axis of the cover plate 21 is horizontally arranged, and the cover plate 21 covers the pipe orifice of the upper connecting pipe 2. Go up still to be fixed with first filter screen 4 in the connecting pipe 2, first filter screen 4 is the rectangle setting, and first filter screen 4 covers the cross section setting of body 1. An operating rod 41 is fixed on the upper end surface of the first filter screen 4, the operating rod 41 is vertically arranged, and the upper end of the operating rod 41 is abutted against the lower end surface of the cover plate 21.

Referring to fig. 3, a positioning member 5 is fixed on an inner wall of the upper connection pipe 2 close to the first filter 4, the positioning member 5 includes a fixing portion 51 and a positioning portion 52, the fixing portion 51 is fixed on the inner wall of the upper connection pipe 2, the positioning portion 52 is located on one side of the fixing portion 51 close to the opening of the upper connection pipe 2 and is fixedly connected with the fixing portion 51, and the positioning portion 52 is located at an end portion of the fixing portion 51 close to the first filter 4. In the present embodiment, the fixing portion 51 and the positioning portion 52 are integrally provided.

Referring to fig. 3, the first filter screen 4 is provided with a mounting groove 42 on the outer side wall of the corresponding inner wall of the upper connecting pipe 2, an embedding groove 421 is provided on the inner wall of the mounting groove 42, and the embedding groove 421 is located on one side of the mounting groove 42 close to the pipe orifice of the upper connecting pipe 2 and is located at the bottom of the mounting groove 42. The outer side wall of the lower end of the first filter screen 4 is also provided with a positioning groove 43.

Referring to fig. 3, a positioning block 6 is fixed on the inner wall of the pipe body 1, the positioning block 6 is located below the first filter screen 4, and the position of the positioning block 6 corresponds to the position of the positioning groove 43. Two guide surfaces 61 are fixed at the end part of the positioning block 6 close to the first filter screen 4, the two guide surfaces 61 are positioned at two opposite sides of the positioning block 6, and the end parts of the two guide surfaces 61 close to the first filter screen 4 are close to each other and are overlapped.

When installing first filter screen 4, handheld action bars 41 drive first filter screen 4 and stretch into in the body 1, make mounting groove 42 on first filter screen 4 aim at with setting element 5, remove action bars 41 and drive first filter screen 4 and remove and make setting element 5 card go into in mounting groove 42, tank bottom inner wall to setting element 5 conflict mounting groove 42, at this moment, location portion 52 and caulking groove 421 are aimed at, and locating piece 6 and constant head tank 43 aim at, loosen action bars 41, first filter screen 4 descends under the action of gravity and makes location portion 52 card go into in the caulking groove 421, and locating piece 6 card goes into in the constant head tank 43 simultaneously, inner wall and the inner wall of the 6 conflict constant head tank 43 of locating piece through location portion 52 conflict caulking groove 421, thereby realize the installation location of first filter screen 4.

Referring to fig. 2, a second filter 7 is disposed in the pipe body 1, the second filter 7 is located in front of the first filter 4 along the flow direction of the liquid in the pipe body 1, and the pores of the second filter 7 are larger than those of the first filter 4. In actual use, the second filter screen 7 filters the great debris of volume in the sewage, and the silt of can supplying passes through, and the second filter screen 7 filters silt, and the confession liquid passes through.

Referring to fig. 2, two guide grooves 71 are formed in the outer side wall of the second filter screen 7, the two guide grooves 71 are respectively located on two opposite sides of the second filter screen 7, and the two guide grooves 71 are arranged to penetrate through the second filter screen 7 along the vertical direction.

Referring to fig. 4, two guide strips 22 are fixed on the inner wall of the upper connecting pipe 2, the two guide strips 22 are respectively located on two opposite sides of the upper connecting pipe 2 and are vertically arranged, the two guide strips 22 both extend downwards into the pipe body 1, a positioning plate 221 is fixed at the end of each guide strip 22 close to the pipe body 1, and the positioning plate 221 is horizontally arranged. The upper end of the second filter screen 7 is also fixed with a grabbing rod 72, and the grabbing rod 72 is vertically arranged.

When installing second filter screen 7, handheld grabbing rod 72 drives second filter screen 7 and removes, two guide way 71 and two guide strips 22 alignment one by one on making second filter screen 7, remove grabbing rod 72 again, thereby make two guide strips 22 block respectively and correspond in the guide way 71 and conflict the inner wall of guide way 71 and lead to second filter screen 7, in second filter screen 7 removes the entering body 1, second filter screen 7 conflicts the locating plate 221 on two guide strips 22 and so realize the location, can accomplish the installation of second filter screen 7.

Referring to fig. 2 and 5, place collection frame 8 in lower connecting pipe 3, collect frame 8 and include thin material frame 81 and coarse fodder frame 82, thin material frame 81 is located the below of coarse fodder frame 82, is fixed with two on the lateral wall of thin material frame 81 and carries pull rod 811, two carry pull rod 811 and are located the relative both sides of thin material frame 81 respectively, two carry pull rod 811 and all set up towards upper connecting pipe 2, and two carry pull rod 811 and all contradict apron 21 settings near the tip of upper connecting pipe 2.

Referring to fig. 5, a supporting plate 9 is horizontally fixed on the inner wall of the fine material frame 81, and the supporting plate 9 and the bottom wall inside the fine material frame 81 are arranged at intervals. A positioning hole 91 is formed in the supporting plate 9, and the positioning hole 91 vertically penetrates through the supporting plate 9. Still seted up a plurality of material holes 92 thoroughly on the backup pad 9, a plurality of material holes 92 are all vertical to be run through the backup pad 9 setting.

Referring to fig. 2 and 5, the coarse material frame 82 is located in the fine material frame 81 and above the support plate 9, the coarse material frame 82 is disposed close to the second filter 7, and the lower end of the second filter 7 is located in the coarse material frame 82. The coarse material frame 82 is away from the inner wall of the fine material frame 81 abutted by the outer side wall of the first filter 4. A gap 11 is left between the coarse material frame 82 and the fine material frame 81, and the lower end of the first filter screen 4 is positioned in the gap 11. A positioning column 821 is fixed on the lower end face of the coarse material frame 82, the positioning column 821 is clamped in the positioning hole 91 and abuts against the inner wall of the positioning hole 91, and the lower end face of the coarse material frame 82 abuts against the upper end face of the supporting plate 9.

Referring to fig. 2 and 5, a mounting hole 822 is formed in the lower end surface of the coarse material frame 82, a third filter screen 10 is fixed on the inner wall of the mounting hole 822, the outer side wall of the third filter screen 10 is attached to the inner wall of the mounting hole 822, and the size of the hole of the third filter screen 10 is consistent with that of the hole of the second filter screen 7.

The implementation principle of this application embodiment a novel municipal garden drain pipe does:

in the in-service use, with body 1, go up connecting pipe 2 and lower connecting pipe 3 and bury underground, go up the upper end and the apron 21 salient of connecting pipe 2 in ground, after first filter screen 4 uses for a long time and is blockked up, apron 21 is opened in the upset, through handheld action bars 41, drive first filter screen 4 and remove towards the direction of keeping away from body 1, make location portion 52 break away from caulking groove 421, remove first filter screen 4 outwards again, make location portion 52 and fixed part 51 break away from in mounting groove 42, rethread removal action bars 41 drives first filter screen 4 and takes out from body 1 and can clear up first filter screen 4, need not to get into and clear up first filter screen 4 in the drain pipe, make the first filter screen 4 of clearance more convenient.

When sewage passes through the second filter screen 7, the second filter screen 7 primarily filters sewage, large-volume impurities in the sewage are filtered and collected into the coarse material frame 82, then the rest sewage passes through the first filter screen 4, the first filter screen 4 secondarily filters the primarily filtered sewage, the same-volume small impurities of sludge remained in the rest sewage are blocked and collected into the fine material frame 81, meanwhile, along with the lapse of time, impurities falling into the coarse material frame 82 along with the large-volume impurities gradually penetrate through the third filter screen 10 and the material penetrating holes 92 to enter the fine material frame 81, and accordingly the impurities in the sewage are primarily screened, time and resources spent on subsequent treatment of the impurities are reduced, and the energy-saving effect is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a novel municipal garden drain pipe, includes body (1), its characterized in that: an upper connecting pipe (2) and a lower connecting pipe (3) are communicated with the pipe body (1), the upper connecting pipe (2) and the lower connecting pipe (3) are respectively positioned at the upper side and the lower side of the pipe body (1) and are aligned, a first filter screen (4) is arranged in the upper connecting pipe (2), and the first filter screen (4) covers the cross section of the pipe body (1);

go up and be provided with setting element (5) on the inner wall of connecting pipe (2), seted up the confession on first filter screen (4) setting element (5) card is gone into mounting groove (42) of location, the up end of first filter screen (4) still is provided with action bars (41), be provided with in lower connecting pipe (3) and collect frame (8), be provided with on collecting frame (8) and carry pull rod (811), the mouth of pipe department of going up connecting pipe (2) articulates there is apron (21), apron (21) are contradicted action bars (41) with carry pull rod (811) setting.

2. The novel municipal garden drain pipe of claim 1, wherein: caulking groove (421) have been seted up on the inner wall of mounting groove (42), caulking groove (421) are located mounting groove (42) are close to go up one side of connecting pipe (2), setting element (5) including set up in go up fixed part (51) on connecting pipe (2) with set up in location portion (52) on fixed part (51), location portion (52) card is gone into in caulking groove (421) and is contradicted the inner wall of caulking groove (421).

3. The novel municipal garden drain pipe of claim 2, wherein: be provided with locating piece (6) on the inner wall of body (1), locating piece (6) are located the below of first filter screen (4), seted up the confession on the lateral wall of first filter screen (4) locating slot (43) that locating piece (6) card was gone into.

4. The novel municipal garden drain pipe of claim 3, wherein: the end part of the positioning block (6) close to the first filter screen (4) is provided with a guide surface (61).

5. The novel municipal garden drain pipe of claim 1, wherein: be provided with second filter screen (7) in body (1), second filter screen (7) are located first filter screen (4) are followed the place ahead of liquid flow direction in body (1), just second filter screen (7) with the lower extreme of first filter screen (4) all is located collect in frame (8), the hole of second filter screen (7) is greater than the hole of first filter screen (4).

6. The novel municipal garden drain pipe of claim 5, wherein: go up and be provided with gib block (22) on the inner wall of connecting pipe (2), gib block (22) are located go up the relative both sides of connecting pipe (2), just gib block (22) extend to in body (1), gib block (22) are close to the tip of body (1) sets up locating plate (221), guide way (71) have been seted up on the lateral wall of second filter screen (7), guide way (71) confession gib block (22) card is gone into, conflict in second filter screen (7) locating plate (221) set up.

7. The novel municipal garden drain pipe of claim 6, wherein: collect frame (8) including thin material frame (81) and thick material frame (82), thick material frame (82) are located in thin material frame (81), thick material frame (82) are close to second filter screen (7) set up, thick material frame (82) with leave space (11) between thin material frame (81), the lower extreme of first filter screen (4) is located in space (11).

8. The novel municipal garden drain pipe of claim 7, wherein: carry pull rod (811) set up in on thin material frame (81), be provided with backup pad (9) on the inner wall of thin material frame (81), locating hole (91) have been seted up on backup pad (9), the lower terminal surface of thick material frame (82) is contradicted backup pad (9) set up, just the lower terminal surface of thick material frame (82) is provided with reference column (821), reference column (821) card is gone into in locating hole (91).

9. The novel municipal garden drain pipe of claim 8, wherein: the bottom of the coarse material frame (82) is provided with a third filter screen (10), and the support plate (9) is provided with a material penetrating hole (92).

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