CN217519435U - Municipal administration road water supply and drainage pipeline connecting piece - Google Patents

Abstract

The utility model relates to a municipal administration water supply and drainage pipe field, in particular to town road water supply and drainage pipe connecting piece, it includes: the universal ball comprises a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and a universal ball; the universal ball clamp is arranged between the first connecting mechanism and the second connecting mechanism, the third connecting mechanism is arranged between the first flange and the second flange, one end of the third connecting mechanism is connected with the first flange, and the other end of the third connecting mechanism is connected with the second flange. Circulation holes are formed between the first flange and the second flange, a central pipe hole is formed in the universal ball, and two ends of the central pipe hole are communicated with the circulation holes; in this application, under the condition that the assurance center tube hole both ends are linked together with the circulation hole, only need through adjusting the turned angle of universal ball between first flange and second flange, alright in order to realize the angle connection between the pipeline of both sides.

Description

Municipal administration road water supply and drainage pipeline connecting piece

Technical Field

The utility model relates to a municipal administration water supply and drainage pipe field, concretely relates to town road water supply and drainage pipe connecting piece.

Background

Municipal works refer to municipal infrastructure construction works. In China, municipal infrastructure refers to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns (villages) and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. In the process of municipal road construction, a water supply and drainage pipeline needs to be erected for drainage, and the water supply and drainage pipeline is often connected through a municipal road water supply and drainage pipeline connecting piece.

At present, the chinese utility model patent that the publication date is 2021.12.03, and publication number is CN214994476U discloses a town road water supply and drainage pipe connecting piece, including first fixed cover and the fixed cover of second, first fixed cover fixed surface is connected with stop device, second fixed sheathed tube fixed surface is connected with connecting device, connecting device cup joints with first fixed sleeve, stop device and connecting device joint.

Through first fixed sleeving, the second fixed sleeving, stop device and connecting device constitute a whole, install two pipeline tip respectively first fixed sleeving, second fixed sleeving, and with first fixed sleeving, the second fixed sleeving is corresponding, remove stop device's restriction, cup joint connecting device and first fixed sleeving, can carry out the high-speed joint with the pipeline, utilize stop device to carry out the joint to connecting device, and then improve the piping erection stability, make things convenient for the staff to operate.

Aiming at the technical scheme, the inventor thinks that when the connecting piece is used for connecting pipelines on two sides, the pipelines on two sides need to be ensured to be coaxially aligned to realize quick installation, and when the pipelines on two sides are not coaxial, the connecting piece is not suitable for connecting the pipelines on two sides.

SUMMERY OF THE UTILITY MODEL

In order to solve the pipe connection problem when disalignment between the both sides connecting tube, the utility model provides a town road water supply and drainage pipe connecting piece.

The utility model provides a municipal administration road water supply and drainage pipeline connecting piece adopts following technical scheme:

the municipal road water supply and drainage pipeline connecting piece comprises a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and a universal ball; the universal ball is provided with a central pipe hole, the diameter of the central pipe hole is smaller than that of the circulation hole, one end of the central pipe hole is communicated with the first flange circulation hole, and the other end of the central pipe hole is communicated with the second flange circulation hole; the third connecting mechanism is arranged between the first flange and the second flange, one end of the third connecting mechanism is connected with the first flange, and the other end of the third connecting mechanism is connected with the second flange.

By adopting the above scheme, when needing to connect between the pipeline, earlier on one side pipe connection on first connecting pipe, on the second connecting pipe, install universal ball between first flange and second flange again, rotate universal ball, make central tube hole both ends correspond the circulation hole on first flange and the second flange respectively, through third coupling mechanism, first flange and second flange joint together, and then install universal ball clamp between first flange and second flange, accomplish the connection between the pipeline of both sides. So operate, when there is the deviation in both sides pipeline axle center, can adjust the contact surface of universal ball and first flange and second flange through rotating universal ball, and then change the contained angle between two flanges, realize the angular connection between the pipeline of both sides, this operating mode is simple and convenient, need not adjust the position of both sides pipeline, just can realize the angular connection between the pipeline of both sides, adjustment time when obviously having saved butt joint between the pipeline in the installation to the connection efficiency of pipeline has been improved.

Optionally, the third connecting mechanism includes a connecting assembly, the connecting assembly includes a plurality of mounting bolts and a plurality of mounting nuts, a first mounting hole is formed on the first flange, a second mounting hole is formed on the second flange, and the mounting bolts, the mounting nuts, the first mounting holes and the second mounting holes are in one-to-one correspondence; the mounting bolt is arranged in the first mounting hole and the second mounting hole in a penetrating mode, the mounting nut is screwed on the mounting bolt in a threaded mode, and the bottom face of the mounting nut is abutted to the second flange.

Through adopting above-mentioned scheme, adjust the angle when universal ball between first flange and second flange, when needing to fix, penetrate the construction bolt in first mounting hole, construction bolt stretches out from the second mounting hole, stretches out the end at construction bolt and screws up mounting nut, accomplishes the fixed of universal ball between first flange and second flange. By the operation, the first flange, the second flange and the universal ball are detachably connected through the bolt connection, so that the whole connecting piece can be repeatedly utilized; in addition, when the pipeline joint needs to be maintained in the later stage, the mounting bolts can be directly dismounted, so that the pipelines can be separated, and the maintenance efficiency of the pipelines is indirectly improved.

Optionally, the third connecting mechanism includes an adjusting assembly, the adjusting assembly includes a plurality of wedge-shaped gaskets, through holes are formed in the wedge-shaped gaskets, and the size of the through holes is matched with that of the mounting bolts.

By adopting the technical scheme, when the first flange is not parallel to the second flange, the mounting nut is in line contact with the end face of the second flange, so that the pre-tightening force borne by the mounting nut is unbalanced, and the nut is easy to loosen in the using process; according to the operation, the wedge-shaped gaskets are arranged between the end faces of the mounting nut and the second flange, the wedge-shaped gaskets in different quantities are placed according to the size of an included angle between the mounting nut and the second flange, one end face of each wedge-shaped gasket is in surface contact with the end face of the mounting nut, the other end face of each wedge-shaped gasket is in surface contact with the end face of the second flange, and therefore the mounting nut bears the uniform pretightening force, and the looseness phenomenon occurring in the use process of the mounting nut is reduced.

Optionally, one end face of the wedge-shaped gasket is provided with a convex point, the other end face of the wedge-shaped gasket is provided with a first groove, and the convex point is embedded in the first groove.

By adopting the technical scheme, when a plurality of wedge-shaped gaskets need to be installed between the installation nut and the second flange, the gaskets can slide relatively in the using process, so that the installation nut is loosened, and the connection stability between the first flange and the second flange is further caused; according to the arrangement, when a plurality of gaskets are stacked together for use, one end, provided with the first groove, of a first wedge-shaped gasket is attached to the end face of the second flange, a second wedge-shaped gasket is stacked on the first wedge-shaped gasket, so that the salient point of the first wedge-shaped gasket is embedded in the first groove of the second wedge-shaped gasket, and the like is performed until the height of the wedge-shaped gasket meets the requirement of an included angle between the mounting nut and the second flange; by the operation, the probability of relative sliding between the wedge-shaped gaskets stacked together is reduced, the probability of looseness of the mounting nut is reduced, and the connection stability between the first flange and the second flange is improved.

Optionally, a spring washer is arranged between the mounting nut and the wedge-shaped gasket, one end of the spring gasket is abutted to the mounting nut, and the other end of the spring gasket is abutted to the end face of the wedge-shaped gasket.

Through adopting above-mentioned technical scheme, when rivers are between first flange, universal ball and the second flange, produce the water impact easily, mounting nut appears becoming flexible easily under the effect of water impact for it is not hard up between universal ball and first coupling mechanism and the second coupling mechanism, and then make first flange and second flange department the infiltration problem appear. The spring gasket is arranged between the mounting nut and the wedge gasket, so that the mounting nut is screwed on the spring gasket, the spring gasket is tightly pressed on the wedge gasket, the mounting nut can start to bear pre-tightening force under the action of water flow impact under the action of the elastic force of the spring gasket, the phenomenon that the mounting nut is loosened is reduced, and the sealing performance between the universal ball and the first flange and the second flange is further ensured.

Optionally, an angle adjusting mechanism is arranged on the universal ball, the angle adjusting mechanism comprises a measuring assembly and an installation assembly, the measuring assembly comprises two telescopic graduated scales, the installation assembly comprises an installation ring, the installation ring is arranged on the surface of the universal ball, the axis of the installation ring is axially overlapped with the central pipe hole, the two telescopic graduated scales are symmetrically arranged on the installation ring, and the length direction of each telescopic scale is parallel to the axis of the installation ring.

Through adopting above-mentioned technical scheme, when both sides connecting tube connect, after adjusting the angle between first flange and the second flange, install two flexible scale symmetries earlier on the installation ring, rotate universal ball, make two flexible scales make flexible action simultaneously, after the flexible distance of two scales equals, the stop rotation universal ball, then connect fixed first flange and second flange. By doing so, when the connecting pipes on the two sides are connected at a larger angle, the angle between the first flange and the second flange and the axis of the central pipe hole is larger, the flow direction of the water supply and drainage can be changed greatly, the joint is impacted greatly, the connecting piece at the joint is easy to be damaged, and the connection between pipelines is further influenced, in the scheme, the two telescopic graduated scales are adopted, so that the first flange and the second flange are symmetrically arranged relative to the central pipe hole of the universal ball when the mounting angle of the universal ball is adjusted, the operation can ensure that the included angles between the first flange and the second flange and the central through hole are reduced as much as possible on the premise that the two ends of the central pipe hole are respectively inserted into the through holes, and further reduce the rivers impact that the plumbing arouses when flowing in to guarantee here first flange, second flange and universal ball's life-span.

Optionally, the angle adjusting mechanism further comprises a handle, and the handle is arranged on the surface of the hand universal ball.

Through adopting above-mentioned technical scheme, when the installation angle of universal ball between first flange and second flange needs to be adjusted, the handle is held to the hand, rotates universal ball, and after universal ball rotated suitable angle, unclamp the handle, then link together first flange and second flange. The setting of handle has made things convenient for the rotation of universal ball to provide the installation direction of handle, the relation between regulation center pipeline and the circulation hole that can be fine, guarantee that the both ends of center tube hole all insert in the circulation hole of both sides, guarantee the intercommunication between the pipeline, reduced the probability that appears leaking between the pipeline.

Optionally, the mounting assembly further comprises a connecting pin shaft and a first nut, a plurality of arc grooves are uniformly formed in the outer edge of the mounting ring, the arc center of each arc groove is coaxial with the axis of the mounting ring, the pin shaft is movably connected in the arc grooves, and the two telescopic graduated scales are movably connected to the mounting ring through the pin shaft.

Through adopting above-mentioned technical scheme, when the turned angle of universal ball between first flange and second flange is adjusted to needs, insert the circular arc groove to the round pin axle earlier, all install two flexible scales at the round pin epaxially, remove the position of round pin axle in the circular arc groove, and then drive two flexible scales and remove for the circular arc groove, when the scale removed the position of just operating on the universal ball, stop the round pin axle and remove, make two flexible scales flexible afterwards, accomplish the angular adjustment of universal ball between first flange and second flange. According to the operation, when the operation space is limited, the position of the telescopic graduated scale on the universal ball can be moved, so that an installer can adjust the telescopic graduated scale more conveniently, the installation angle of the universal ball is further adjusted conveniently, and the pipeline connection efficiency is indirectly improved; in addition, the telescopic graduated scale is detachably mounted on the mounting ring through the pin shaft, and when the pipeline mounting is finished, the pin shaft and the telescopic graduated scale can be detached for repeated use, so that the pipeline mounting cost is saved.

Optionally, the first connecting mechanism includes a first sealing ring, the second connecting mechanism includes a second sealing ring, a second groove is arranged on the first flange, a third groove is arranged on the second flange, the first sealing ring is clamped in the second groove, the first sealing ring is abutted against the universal ball, the second sealing ring is clamped in the third groove, and the second sealing ring is abutted against the universal ball.

Through adopting above-mentioned technical scheme for universal ball center tube hole both ends are respectively the butt on first sealing washer and second sealing washer, make first flange and second flange all with universal ball sealing contact, reduce the probability that leaks to appear between first flange, universal ball and the second flange.

Drawings

FIG. 1 is a schematic view of the overall structure of a municipal road water supply and drainage pipeline connecting piece;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 1;

fig. 6 is a schematic view of a wedge-shaped shim.

Description of the reference numerals: 100. a first connecting mechanism; 110. a first connecting pipe; 1101. a flow-through hole; 120. a first flange; 1201. a first connection hole; 1202. a second groove; 130. a first seal ring; 200. a second connecting mechanism; 210. a second connecting pipe; 220. a second flange; 2201. a second connection hole; 2202. a third groove; 230. a second seal ring; 300. a universal ball; 3001. a central tube hole; 3002. an annular groove; 400. A third connecting mechanism; 410. a connecting assembly; 411. installing a bolt; 412. mounting a nut; 413. a spring washer; 420. an adjustment assembly; 421. a wedge-shaped gasket; 4211. a through hole; 4212. a first groove; 4213. salient points; 500. An angle adjusting mechanism; 510. mounting the component; 511. a telescopic graduated scale; 520. a measurement assembly; 521. installing a circular ring; 5211. an arc groove; 522. a first nut; 523. a pin shaft, 530 and a handle.

Detailed Description

The present invention is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a municipal road water supply and drainage pipeline connecting piece, and with reference to fig. 1 and 2, the municipal road water supply and drainage pipeline connecting piece comprises a first connecting mechanism 100, a second connecting mechanism 200, a third connecting mechanism 400, an angle adjusting mechanism 500 and a universal ball 300; the universal ball 300 is arranged between the first connecting mechanism 100 and the second connecting mechanism 200, the first connecting mechanism 100 and the second connecting mechanism 200 are connected through the third connecting mechanism 400, the angle adjusting mechanism 500 is arranged on the universal ball 300, a central pipe hole 3001 is formed in the universal ball 300, flow holes 1101 are formed in the first connecting mechanism 100 and the second connecting mechanism 200, and two ends of the central pipe hole 3001 are communicated with the flow holes 1101. When the pipelines on two sides need to be connected, the pipeline on one side is connected with the first connecting mechanism 100, the pipeline on the other side is connected with the second connecting mechanism 200, the angle between the first connecting mechanism 100 and the second connecting mechanism 200 by the universal ball 300 is adjusted through the angle adjusting mechanism 500, two ends of the central pipe hole 3001 are communicated with the circulation hole 1101, then the third connecting mechanism 400 is operated, the first connecting mechanism 100 and the second connecting mechanism 200 are connected and fixed, and the pipelines on two sides are further connected.

Referring to fig. 1 and 2, the first connection mechanism 100 includes a first flange 120, a first connection pipe 110 and a first seal ring 130, the first connection pipe 110 is connected to the first flange 120 by coaxial welding, the inner diameter of the first connection pipe 110 is matched with the outer diameter of a pipeline to be connected, a circulation hole 1101 is formed in the middle of the first flange 120, the size of the circulation hole 1101 is consistent with the inner diameter of the first connection pipe 110, a second groove 1202 is formed in one end, far away from the first connection pipe 110, of the first flange 120, the inner edge of the second groove 1202 is coincident with the inner diameter of the circulation hole 1101, the first seal ring 130 is fixed in the second groove 1202 through a sealant, and a plurality of first connection holes 1201 are uniformly formed in the first flange 120 along the circumferential direction.

Referring to fig. 2 to 4, the angle adjusting mechanism 500 includes a mounting assembly 510, the mounting assembly 510 includes a mounting ring 521 and a pin 523, and four sets of arc grooves 5211 are uniformly formed on the mounting ring 521 along the circumferential direction; an annular groove 3002 is formed in the outer circular surface of the universal ball 300, the axis of the annular groove 3002 coincides with the axis of the central pipe hole 3001, the mounting ring 521 is fixed in the annular groove 3002 through welding, and the pin shaft 523 movably penetrates through the circular arc groove 5211.

Referring to fig. 2 and 4, the mounting assembly 510 further includes two first nuts 522, the angle adjustment mechanism 500 further includes a measuring assembly, the measuring assembly includes two telescopic scales 511, the telescopic scales 511 are telescopic along the length direction of the central tube hole 3001, a connecting pin hole is formed at one end of the telescopic scales 511, the two telescopic scales 511 are respectively inserted into two ends of the pin 523 through the connecting pin hole, the two first nuts 522 are respectively screwed onto two ends of the pin 523, and end faces of the two first nuts 522 are respectively pressed onto the telescopic scales 511.

Referring to fig. 1 and 2, the ball gimbal 300 is further provided with two handles 530, the handles 530 are symmetrically welded to the surface of the ball gimbal 300 along the annular groove 3002, and the axial direction of the handles 530 is axially parallel to the central pipe hole 3001.

Referring to fig. 1 and 2, the second connection mechanism 200 includes a second flange 220, a second connection pipe 210 and a second sealing ring 230, the second connection pipe 210 is coaxially welded to the second flange 220, the inner diameter of the second connection pipe 210 is matched with the outer diameter of a pipe to be connected, a circulation hole 1101 is formed in the middle of the second flange 220, the size of the circulation hole 1101 is consistent with the inner diameter of the second connection pipe 210, a third groove 2202 is formed in one end of the second flange 220, which is far away from the second connection pipe 210, the inner edge of the third groove 2202 is overlapped with the inner diameter of the circulation hole 1101, the second sealing ring 230 is fixed in the third groove 2202 through a sealant, a plurality of second connection holes 2201 are uniformly formed in the second flange 220 along the circumferential direction, and the second connection holes 2201 are in one-to-one correspondence with the first connection holes 1201.

Referring to fig. 2, 5 and 6, the third connection mechanism 400 includes a connection assembly 410 and an adjustment assembly 420, the connection assembly 410 includes a plurality of mounting bolts 411, a plurality of mounting nuts 412 and a plurality of spring washers 413, and the mounting bolts 411, the mounting nuts 412 and the spring washers 413 correspond one to one; the adjustment assembly 420 includes a plurality of wedge-shaped shims 421; a through hole 4211 is formed in the wedge-shaped gasket 421, the size of the through hole 4211 is matched with that of the mounting bolt 411, a protruding point 4213 is arranged on one end face of the wedge-shaped gasket 421, a first groove 4212 is arranged on the other end face of the wedge-shaped gasket, and the protruding point 4213 is embedded in the first groove 4212.

The implementation principle of municipal administration road water supply and drainage pipeline connecting piece of the embodiment of the application is:

when the pipelines at two sides need to be installed, the pipeline connecting piece is firstly placed between the two pipelines needing to be connected; connecting a pipeline at one side with the first connecting pipe 110, fixing the first sealing ring 130 in the second groove 1202 through sealant, connecting a pipeline at the other side with the second connecting pipe 210, and fixing the second sealing ring 230 in the third groove 2202 through sealant; then, the universal ball 300 is placed between the first flange 120 and the second flange 220, two ends of the universal ball 300 are respectively abutted against the first sealing ring 130 and the second sealing ring 230, then the pin roll 523 is inserted into the circular arc groove 5211, the two telescopic graduated scales 511 are connected with two ends of the pin roll 523 through pin holes, the pin roll 523 drives the two telescopic graduated scales 511 to slide along the circular arc groove 5211, when the graduated scales slide to a position convenient to observe, the sliding of the pin roll 523 is stopped, the first nut 522 is screwed at two ends of the pin roll 523, the two telescopic graduated scales 511 are further fixed on the installation circular ring 521, the angle between the first flange 120 and the second flange 220 of the universal ball 300 is rotated through the handle 530, when two ends of the central pipe hole 3001 are both inserted in the circulation hole 1101, the universal ball 300 continues to be finely adjusted, and simultaneously the two telescopic graduated scales are extended and retracted, when the telescopic distances of the two telescopic graduated scales are consistent, the rotation of the universal ball 300 is stopped, and a plurality of installation bolts 411 are all inserted into the first installation hole and the second installation hole, inserting the wedge-shaped gasket 421 and the spring washer 413 on the mounting bolt 411 in sequence, enabling the end of the first groove 4212 on the wedge-shaped gasket 421 to be attached to the end face of the second flange 220, enabling the end of the salient point 4213 of the wedge-shaped gasket 421 to be attached to one end of the spring washer 413, screwing the mounting nut 412 on the mounting bolt 411 in a threaded manner, enabling the end face of the mounting nut 412 to be attached to the other end of the spring washer 414, further enabling the first universal ball 300 to be clamped between the first flange 120 and the second flange 220, achieving connection and fixation among the first flange 120, the universal ball 300 and the second flange 220, and finally completing connection among pipelines on two sides.

In this way, when an angle difference exists between the two connected side pipelines, the two side pipelines can be connected in an angle manner by rotating the angle between the first flange 120 and the second flange 220 of the universal ball 300, and the operation mode is simple and convenient; the universal ball 300 is provided with the telescopic graduated scale 511, the rotation angle of the universal ball 300 is adjusted by observing the extension length of the telescopic graduated scale 511, so that the included angle between the central pipe hole 3001 of the universal ball 300 and the first flange 120 and the second flange 220 is equal, the impact force generated among the first flange 120, the universal ball 300 and the second flange 220 when water flows in can be reduced to the greatest extent, and the stability of pipeline connection is improved; the wedge-shaped gasket 421 and the spring washer 413 are inserted between the end faces of the mounting nut 412 and the second flange 220, so that the mounting nut 412 can be always kept in a pre-tightening state in the using process, the loosening probability of the mounting nut 412 is reduced, the two ends of the universal ball 300 are always pressed on the first sealing ring 130 and the second sealing ring 230, the water seepage phenomenon of a connecting piece is reduced, and the connecting stability between pipelines on the two sides is improved.

The above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. Municipal administration road water supply and drainage pipeline connecting piece, its characterized in that: comprises a first connecting mechanism (100), a second connecting mechanism (200), a third connecting mechanism (400) and a universal ball (300); first coupling mechanism (100) include first flange (120) and first connecting pipe (110), second coupling mechanism (200) include second flange (220) and second connecting pipe (210), circulation hole (1101) have all been seted up in the middle of first flange (120) and second flange (220), center tube hole (3001) have been seted up on universal ball (300), center tube hole (3001) diameter is less than circulation hole (1101) diameter, center tube hole (3001) one end and first flange (120) circulation hole (1101) intercommunication, the other end and second flange (220) circulation hole (1101) intercommunication, third coupling mechanism (400) set up between first flange (120) and second flange (220), third coupling mechanism (400) one end is connected with first flange (120), the other end and second flange (220) are connected.

2. The municipal road water supply and drainage pipeline connecting piece of claim 1, wherein: the third connecting mechanism (400) comprises a connecting assembly (410), the connecting assembly (410) comprises a plurality of mounting bolts (411) and a plurality of mounting nuts (412), a first mounting hole is formed in the first flange (120), a second mounting hole is formed in the second flange (220), and the mounting bolts (411), the mounting nuts (412), the first mounting hole and the second mounting hole are in one-to-one correspondence; the mounting bolts (411) penetrate through the first mounting hole and the second mounting hole, the mounting nuts (412) are screwed on the mounting bolts (411), and the bottom surfaces of the mounting nuts (412) are abutted to the second flange (220).

3. The municipal road water supply and drainage pipeline connector according to claim 2, wherein: the third connecting mechanism (400) further comprises an adjusting assembly (420), the adjusting assembly (420) comprises a plurality of wedge-shaped gaskets (421), a through hole (4211) is formed in each wedge-shaped gasket (421), and the size of each through hole (4211) is matched with that of each mounting bolt (411).

4. The municipal road water supply and drainage pipeline connection according to claim 3, wherein: one end surface of the wedge-shaped gasket (421) is provided with a convex point (4213), the other end surface is provided with a first groove (4212), and the convex point (4213) is embedded in the first groove (4212).

5. The municipal road water supply and drainage pipeline connection according to claim 3, wherein: a spring washer (413) is arranged between the mounting nut (412) and the wedge-shaped gasket (421), one end of the spring washer is abutted against the mounting nut (412), and the other end of the spring washer is abutted against the end face of the wedge-shaped gasket (421).

6. The municipal road water supply and drainage pipeline connection according to any one of claims 1 to 5, wherein: be provided with angle adjustment mechanism (500) on universal ball (300), angle adjustment mechanism (500) are including measuring subassembly (520) and installation component (510), measuring subassembly (520) include two flexible scale (511), installation component (510) are including installation ring (521), installation ring (521) set up on universal ball (300) surface, the axle center and central tube hole (3001) axial coincidence of installation ring (521), two flexible scale (511) symmetries set up on installation ring (521), the length direction and the installation ring (521) axle center parallel of telescopic ruler.

7. The municipal road water supply and drainage pipeline connection according to claim 6, wherein: the angle adjusting mechanism (500) further comprises a handle (530), and the handle (530) is arranged on the surface of the hand universal ball (300).

8. The municipal road water supply and drainage pipeline connection according to claim 6, wherein: the mounting assembly (510) further comprises a connecting pin shaft (523) and a first nut (522), a plurality of arc grooves (5211) are uniformly formed in the outer edge of the mounting ring (521), the arc center of each arc groove (5211) is coaxial with the axis of the mounting ring (521), the pin shaft (523) is movably connected into the arc grooves (5211), and the two telescopic graduated scales (511) are movably connected onto the mounting ring (521) through the pin shaft (523).

9. The municipal road water supply and drainage pipeline connection according to any one of claims 1 to 5, wherein: first coupling mechanism (100) includes first sealing washer (130), second coupling mechanism (200) includes second sealing washer (230), be equipped with second recess (1202) on first flange (120), third recess (2202) have been seted up on second flange (220), first sealing washer (130) joint is in second recess (1202), first sealing washer (130) terminal surface and universal ball (300) butt, second sealing washer (230) joint is in third recess (2202), second sealing washer (230) terminal surface and universal ball (300) butt.

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