CN221525774U - Noise-reducing and noise-reducing wall pipe for water supply and drainage - Google Patents

Abstract

The utility model discloses a noise-reducing and noise-reducing wall pipe for water supply and drainage, which comprises a water supply and drainage wall pipe, a mounting assembly, a supporting assembly and a damping assembly; the wall body is provided with a through-wall pipeline preformed hole, the installation component is arranged in the through-wall pipeline preformed hole, the water supply and drainage through-wall pipe penetrates through the wall body through the through-wall pipeline preformed hole, and the through-wall section of the water supply and drainage through-wall pipe is fixed in the through-wall pipeline preformed hole through the installation component; the supporting component is arranged on the wall body and props against the bottom of the water supply and drainage wall penetrating pipe, and the damping component is arranged on the wall body and movably props against the top of the water supply and drainage wall penetrating pipe. The utility model relates to the technical field of building water supply and drainage, and can solve the problem that noise reduction and silencing effects of sound insulation cotton wrapped outside a wall penetrating pipe in the prior art are poor.

Description

Noise-reducing and noise-reducing wall pipe for water supply and drainage

Technical Field

The utility model relates to the technical field of building water supply and drainage, in particular to a noise-reduction and noise-reduction wall penetrating pipe for water supply and drainage.

Background

The wall pipe for water supply and drainage of the building in the prior art is used for supplying and draining a large amount of domestic or industrial water after being put into use. In the actual drainage process, when the flow of water supply and drainage is large, the flow of water flow impacts the pipeline to cause the pipeline to shake, so that the pipeline impacts a wall body and causes vibration noise, and daily life and production in a building are affected.

The Chinese patent No. 219242958U discloses a noise reduction and noise reduction wall penetrating pipe for water supply and drainage, which comprises a movable telescopic pipe inserted into the inner wall of the wall penetrating pipe and an external pipe connected with one end of the wall penetrating pipe in a detachable mode through threads, wherein a protective sponge capable of being protected is fixedly connected to the outer surface of the wall penetrating pipe, soundproof cotton capable of being soundproofed is fixedly connected to the inner wall of the wall penetrating pipe, a detachable fixing plate is connected to the inner wall of the telescopic pipe through bolts, a motor is fixedly connected to the inner wall of the fixing plate, and a rotatable blade is connected to the output end of the motor through a spline.

The wall pipe of prior art passes through the mode noise reduction of outsourcing soundproof cotton, but soundproof cotton ages easily after long-term use, and produces wearing and tearing when the pipeline striking wall body easily, very big influence soundproof cotton's life and sound insulation effect, and the maintenance cost is high. Therefore, it is necessary to provide a noise reduction and noise reduction wall pipe for water supply and drainage, which can solve the problem that the noise reduction and noise reduction effect of the noise insulation cotton wrapped outside the wall pipe in the prior art is poor.

Disclosure of Invention

The utility model aims to provide a noise-reducing and noise-reducing wall penetrating pipe for water supply and drainage, which can solve the problem that noise-reducing and noise-reducing effects of an external-wrapping soundproof cotton of the wall penetrating pipe in the prior art are poor.

The utility model is realized in the following way:

A noise-reducing and noise-reducing wall penetrating pipe for water supply and drainage comprises a water supply and drainage wall penetrating pipe, a mounting assembly, a supporting assembly and a damping assembly; the wall body is provided with a through-wall pipeline preformed hole, the installation component is arranged in the through-wall pipeline preformed hole, the water supply and drainage through-wall pipe penetrates through the wall body through the through-wall pipeline preformed hole, and the through-wall section of the water supply and drainage through-wall pipe is fixed in the through-wall pipeline preformed hole through the installation component; the supporting component is arranged on the wall body and props against the bottom of the water supply and drainage wall penetrating pipe, and the damping component is arranged on the wall body and movably props against the top of the water supply and drainage wall penetrating pipe.

The mounting assembly comprises a mounting seat and a connecting lantern ring; the mounting seat is fixedly arranged in the reserved hole of the through-wall pipeline, and the main body part of the mounting seat is of an annular structure; the connecting lantern ring is of an annular structure and is arranged in the annular structure of the mounting seat in a matching mode, the water supply and drainage wall penetrating pipe penetrates through the annular structure of the mounting seat, and the connecting lantern ring is wrapped on the water supply and drainage wall penetrating pipe.

The supporting components and the damping components are respectively provided with two groups, the two groups of supporting components and the two groups of damping components are symmetrically arranged on two surfaces of the wall body, and the contact positions of the supporting components and the damping components which are arranged on the same surface of the wall body and the water supply and drainage through-wall pipe are positioned in the same vertical surface.

Each group of the supporting components comprises a fixed plate, a supporting column and a placing plate; the fixing plate is attached to the wall body, and the supporting plate is horizontally arranged and fixedly connected with the fixing plate; one end of the support column is fixedly connected to the support plate, and the other end of the support column is fixedly connected with the bottom surface of the placement plate; the top surface of the placing plate props against the bottom of the water supply and drainage wall penetrating pipe.

The top surface of placing the board on be equipped with the rubber cushion, rubber cushion and the bottom butt of giving the drainage through-wall pipe.

Each group of damping components comprises a connecting plate, a strip-shaped block, a movable mechanism and a tight propping plate; the connecting plate is attached to the wall body, and the strip-shaped plate is horizontally arranged and fixedly connected with the connecting plate; the strip-shaped block is fixedly connected to the bottom of the strip-shaped plate, the top surface of the abutting plate is movably connected with the strip-shaped block through a movable mechanism, and the bottom surface of the abutting plate abuts against the top of the water supply and drainage through-wall pipe.

The movable mechanism comprises a sliding plate, a compound spring and a support column; a sliding cavity is formed in the strip-shaped block, and the sliding plate is arranged in the sliding cavity in a lifting and sliding manner; the top surface of the sliding plate is in spring connection with the top wall of the sliding cavity through a plurality of compound springs, and the upper end of the support column is fixedly connected with the bottom surface of the sliding plate; the bottom of bar piece is formed with the connecting hole, and the lower extreme of pillar runs through the connecting hole and with support tight top surface fixed connection of board.

The bottom surface of the abutting plate is provided with a rubber cushion, and the rubber cushion is abutted with the top of the water supply and drainage wall penetrating pipe.

The connecting hole in be equipped with the slip cap, the pillar runs through the slip cap and with the inner wall sliding connection of slip cap.

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

1. The mounting assembly is arranged, so that limit can be provided for the wall penetrating mounting of the water supply and drainage wall penetrating pipe through the annular structure of the mounting seat, and the mounting stability of the water supply and drainage wall penetrating pipe is ensured; meanwhile, the water supply and drainage through-wall pipe is wrapped by the connecting lantern ring, so that the installation stability of the water supply and drainage through-wall pipe is further improved, a certain damping and noise reduction effect is achieved, the noise generated by the impact of vibration or shaking on the wall body of the water supply and drainage through-wall pipe is prevented, and the influence on normal life and production in a building is avoided.

2. The utility model further improves the installation stability of the water supply and drainage wall penetrating pipe, especially the stability of the wall penetrating part by means of upward and downward pushing, and simultaneously utilizes the symmetrical structure to ensure that the stress of the water supply and drainage wall penetrating pipe is stable and uniform, thereby reducing the vibration and shaking of the water supply and drainage wall penetrating pipe possibly occurring when the water flow is large, and further achieving the purpose of noise reduction and noise elimination.

3. The utility model is provided with the damping component, so that the damping component can adapt to vibration and shaking of the water supply and drainage wall pipe when the water flow is large through deformation of the composite spring, and the impact of the vibration on the water supply and drainage wall pipe is reduced by utilizing the energy dissipation of spring force, thereby further achieving the purposes of noise reduction and noise reduction.

4. The utility model has simple structure, easy material drawing and manufacturing, convenient installation and disassembly, good practicability and durability, lower cost, standardized production and suitability for installation of water supply and drainage wall penetrating pipes with various specifications.

Drawings

FIG. 1 is a front view of a noise reducing and deadening wall bushing of the present utility model for water supply and drainage;

FIG. 2 shows the water supply and drainage of the present utility model a cross-sectional view of the noise reduction and noise reduction wall penetrating pipe;

FIG. 3 is an enlarged schematic view at B in FIG. 2;

Fig. 4 is an enlarged schematic view at a in fig. 2.

In the figure, 1, a water supply and drainage wall penetrating pipe; 2. a wall body; 3. a mounting base; 4. positioning bolts; 5. a connecting collar; 6. a fixing plate; 7. installing a bolt; 8. a support plate; 9. a support column; 10. placing a plate; 11. a connecting plate; 12. a fixing bolt; 13. a strip-shaped plate; 14. a bar block; 15. a slide plate; 16. a compound spring; 17. a support post; 18. a pressing plate; 19. a sliding sleeve; 20. rubber cushion.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

Referring to fig. 1 and 2, a noise-reducing and noise-reducing wall pipe for water supply and drainage comprises a water supply and drainage wall pipe 1, a mounting assembly, a supporting assembly and a damping assembly; the wall body 2 is provided with a through-wall pipeline preformed hole (not shown in the figure), the installation component is arranged in the through-wall pipeline preformed hole, the water supply and drainage through-wall pipeline 1 penetrates through the wall body 2 through the through-wall pipeline preformed hole, and the through-wall section of the water supply and drainage through-wall pipeline 1 is fixed in the through-wall pipeline preformed hole through the installation component; the supporting component is arranged on the wall body 2 and props against the bottom of the water supply and drainage through-wall pipe 1, and the damping component is arranged on the wall body 2 and movably props against the top of the water supply and drainage through-wall pipe 1.

The size of the reserved hole of the wall penetrating pipe is larger than the cross-sectional size of the water supply and drainage wall penetrating pipe 1, the wall penetrating part of the water supply and drainage wall penetrating pipe 1 is fixed in the reserved hole of the wall penetrating pipe through the installation component, and the condition that the water supply and drainage wall penetrating pipe 1 vibrates or shakes under the impact of water flow to impact the wall can be effectively reduced, so that noise is reduced.

The supporting component can provide ascending holding power to water supply and drainage through-wall pipe 1, and damping component can provide decurrent clamp force to water supply and drainage through-wall pipe 1, through the mode of pushing down the top, improves the stability of water supply and drainage through-wall pipe 1 through-wall position, further reduces the vibrations or the rocking that water supply and drainage through-wall pipe 1 probably takes place. Meanwhile, the damping component has a certain damping function, so that the vibration of the water supply and drainage wall penetrating pipe 1 can be further reduced, and the purposes of noise reduction and noise elimination are achieved.

Referring to fig. 2, the mounting assembly includes a mounting base 3 and a connecting collar 5; the mounting seat 3 is fixedly arranged in the reserved hole of the through-wall pipeline through a plurality of positioning bolts 4, and the main body part of the mounting seat 3 is in an annular structure; the connecting lantern ring 5 is of an annular structure and is arranged in the annular structure of the mounting seat 3 in a matching manner, the water supply and drainage wall penetrating pipe 1 penetrates through the annular structure of the mounting seat 3, and the connecting lantern ring 5 is wrapped on the water supply and drainage wall penetrating pipe 1.

Preferably, the bottom of the mounting seat 3 can adopt a mounting plate such as a steel plate, so that the contact area between the mounting plate and the bottom wall of the reserved hole of the through-wall pipeline is large, and the mounting stability is high; the main body part of the mounting seat 3 can be a sleeve slightly larger than the outer diameter of the water supply and drainage through-wall pipe 1 according to the size of the water supply and drainage through-wall pipe 1, and is used for through-wall mounting of the water supply and drainage through-wall pipe 1.

Preferably, the connecting collar 5 may be made of rubber, the outer diameter of the connecting collar 5 is consistent with the inner diameter of the mounting seat 3, and the length of the connecting collar 5 is slightly greater than the length of the mounting seat 3. The inner diameter of the connecting lantern ring 5 is consistent with the outer diameter of the water supply and drainage wall penetrating pipe 1, so that the connecting lantern ring 5 is matched and wrapped on the water supply and drainage wall penetrating pipe 1, and penetrating installation of the water supply and drainage wall penetrating pipe 1 is not affected. The vibration and the shaking of the water supply and drainage wall pipe 1 are reduced by utilizing the elastic characteristic of the rubber material of the connecting lantern ring 5, and the noise generated by the collision of the water supply and drainage wall pipe 1 and the mounting seat 3 can be avoided.

For the water supply and drainage through-wall pipe 1 with different specifications, the connecting lantern rings 5 with different thicknesses can be replaced, and the water supply and drainage through-wall pipe has good adaptability and universality.

Referring to fig. 1 and 2, the supporting components and the damping components are respectively provided with two groups, the two groups of supporting components and the two groups of damping components are symmetrically arranged on two surfaces of the wall body 2, and the contact positions of the supporting components and the damping components which are arranged on the same surface of the wall body 2 and the water supply and drainage through-wall pipe 1 are positioned in the same vertical surface.

Through two sets of supporting component and damper of symmetrical arrangement, can improve the roof supporting and support the pressure effect to water supply and drainage through-wall pipe 1, make water supply and drainage through-wall pipe 1's through-wall position atress even simultaneously, directly transmit the impact force of rivers to water supply and drainage through-wall pipe 1 to wall body 2 to guaranteed water supply and drainage through-wall pipe 1's installation and stability in use, be favorable to reducing water supply and drainage through-wall pipe 1's noise in use.

Referring to fig. 1 to 3, each group of the support assemblies includes a fixing plate 6, a support plate 8, a support column 9 and a placement plate 10; the fixing plate 6 is attached to the wall body 2 through a plurality of mounting bolts 7, and the supporting plate 8 is horizontally arranged and fixedly connected with the fixing plate 6; one end of the support column 9 is fixedly connected to the support plate 8, and the other end of the support column 9 is fixedly connected with the bottom surface of the placement plate 10; the top surface of the placing plate 10 is propped against the bottom of the water supply and drainage through-wall pipe 1.

Preferably, the fixing plate 6, the supporting plate 8 and the placing plate 10 can be made of steel plates, the supporting column 9 can be made of steel pipes, the fixing plate 6, the supporting plate 8, the supporting column 9 and the placing plate 10 are connected into a whole through welding, and the bearing capacity of the supporting component is improved, so that the water supply and drainage through-wall pipe 1 is stably supported, and noise generated by vibration and shaking of the water supply and drainage through-wall pipe 1 is reduced.

Referring to fig. 3, a rubber cushion 20 is disposed on the top surface of the placement plate 10, and the rubber cushion 20 abuts against the bottom of the water supply and drainage wall pipe 1.

The rubber cushion 20 has certain elastic deformation capability, and the rubber cushion 20 can be better attached to the bottom cambered surface profile of the water supply and drainage wall penetrating pipe 1, so that the noise reduction and silencing effects on noise generated by vibration and shaking of the water supply and drainage wall penetrating pipe 1 are improved.

Referring to fig. 1, 2 and 4, each of the shock absorbing assemblies includes a connecting plate 11, a strip-shaped plate 13, a strip-shaped block 14, a movable mechanism and a tightening plate 18; the connecting plate 11 is attached to the wall body 2 through a plurality of fixing bolts 12, and the strip-shaped plate 13 is horizontally arranged and fixedly connected with the connecting plate 11; the bar-shaped block 14 is fixedly connected to the bottom of the bar-shaped plate 13, the top surface of the abutting plate 18 is movably connected with the bar-shaped block 14 through a movable mechanism, and the bottom surface of the abutting plate 18 abuts against the top of the water supply and drainage through-wall pipe 1.

Preferably, the connecting plate 11, the strip-shaped plate 13, the strip-shaped block 14 and the abutting plate 18 can be made of steel plates, the connecting plate 11, the strip-shaped plate 13 and the strip-shaped block 14 are connected into a whole through welding, the structural strength is high, a reliable abutting effect can be provided for the water supply and drainage through-wall pipe 1, and noise generated by vibration and shaking of the water supply and drainage through-wall pipe 1 is reduced.

When the water supply and drainage wall penetrating pipe 1 vibrates or even shakes, the abutting plate 18 moves in the bar block 14 under the action of the moving mechanism so as to adapt to the vibration or shake of the water supply and drainage wall penetrating pipe 1, and meanwhile, the purpose of energy dissipation is achieved, and accordingly noise generated by the water supply and drainage wall penetrating pipe 1 due to vibration and shake is reduced.

Referring to fig. 2 and 4, the movable mechanism includes a slide plate 15, a compound spring 16 and a strut 17; a sliding cavity (not shown) is formed in the bar-shaped block 14, and a sliding plate 15 is arranged in the sliding cavity in a lifting and sliding manner; the top surface of the sliding plate 15 is in spring connection with the top wall of the sliding cavity through a plurality of compound springs 16, and the upper end of the supporting column 17 is fixedly connected with the bottom surface of the sliding plate 15; the bottom of the bar-shaped block 14 is formed with a connection hole (not shown in the drawing), and the lower end of the pillar 17 penetrates the connection hole and is fixedly connected with the top surface of the abutment plate 18.

Preferably, the sliding plate 15 can be made of steel plates, the supporting columns 17 can be made of steel pipes, the composite springs 16 can be made of steel springs, the composite springs 16 are in a slightly compressed state after being installed, the elastic coefficient and the compression degree of the composite springs can be adaptively adjusted according to actual use requirements, and accordingly downward pressing force is provided for the top of the water supply and drainage through-wall pipe 1 by means of spring force, and installation and use stability of the water supply and drainage through-wall pipe 1 are guaranteed.

When the water supply and drainage through-wall pipe 1 shakes, the elastic deformation of the compound spring 16 can be utilized to dissipate energy due to acting force generated by the shaking and the swaying of the water supply and drainage through-wall pipe 1, so as to achieve the damping effect, further prevent the noise generated by the shaking and the swaying of the water supply and drainage through-wall pipe 1, and further improve the installation and use stability of the water supply and drainage through-wall pipe 1.

Referring to fig. 4, a rubber cushion 20 is disposed on the bottom surface of the tightening plate 18, and the rubber cushion 20 abuts against the top of the water supply and drainage wall pipe 1.

The rubber cushion 20 has certain elastic deformation capability, and the rubber cushion 20 can be better attached to the top cambered surface outline of the water supply and drainage wall penetrating pipe 1, so that the noise reduction and silencing effects on the noise generated by vibration and shaking of the water supply and drainage wall penetrating pipe 1 are improved.

Referring to fig. 4, a sliding sleeve 19 is disposed in the connecting hole, and the strut 17 penetrates through the sliding sleeve 19 and is slidably connected with the inner wall of the sliding sleeve 19.

The sliding sleeve 19 has a certain guiding function, and ensures that the supporting column 17 performs vertical lifting movement under the action of the compound spring 16, so that the damping component can provide downward pressing force for the top of the water supply and drainage through-wall pipe 1.

Preferably, the sliding sleeve 19 can be made of PVC or other materials, so that the synchronism of lifting of the strut 17 along with the elastic deformation of the compound spring 16 is not affected, and lubricating oil can be smeared between the strut 17 and the sliding sleeve 19 when needed, so that the damping effect of the damping component is ensured.

Referring to fig. 1 to 4, the working principle of the present utility model is:

The wall body 2 of the water supply and drainage through-wall pipe 1 is provided with a through-wall pipe reserved hole, the installation seat 3 with the built-in connecting lantern ring 5 is fixedly installed in the through-wall pipe reserved hole of the wall body 2 through a plurality of positioning bolts 4, the water supply and drainage through-wall pipe 1 passes through the connecting lantern ring 5, and the water supply and drainage through-wall pipe 1 is installed in the through-wall by being clamped in the connecting seat 3 through the rubber elasticity of the connecting lantern ring 5.

The fixing plate 6 is fixedly installed on the wall body 2 through the plurality of mounting bolts 7, and auxiliary support is provided for the bottom of the water supply and drainage through-wall pipe 1 through the mutual cooperation of the supporting plate 8, the supporting column 9 and the placing plate 10. And the connecting plate 11 is fixedly arranged on the wall body 2 through a plurality of fixing bolts 12, and the top of the water supply and drainage through-wall pipe 1 is provided with auxiliary pressing through the mutual matching of the strip-shaped plate 13, the strip-shaped block 14, the sliding plate 15 and the plurality of composite springs 16. The supporting components and the damping components on the two surfaces of the wall body 2 are symmetrically installed, and the effective limiting effect is achieved through the mode of pressing the top upwards and downwards, so that the installation stability of the water supply and drainage through-wall pipe 1, particularly the stability of the through-wall position, is guaranteed.

When the water flow in the water supply and drainage through-wall pipe 1 is large and vibration is generated, the sliding plate 15 can move up and down along the sliding cavity through the spring force generated by deformation of the compound spring 16, so that the supporting column 17 pushes the supporting plate 18 to move up and down, the tight fitting supporting and pressing of the supporting plate 18 and the top of the water supply and drainage through-wall pipe 1 is ensured, the vibration and shaking of the water supply and drainage through-wall pipe 1 are effectively buffered, the noise generated by the impact of the water supply and drainage through-wall pipe 1 on a wall body is avoided, the effect of effectively reducing noise and silencing is achieved, and the influence on daily life and production in a building is avoided.

The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.

Claims (9)

1. A noise reduction amortization wall pipe of water supply and drainage, characterized by: comprises a water supply and drainage wall penetrating pipe (1), a mounting component, a supporting component and a damping component; the wall body (2) is provided with a through-wall pipeline preformed hole, the installation component is arranged in the through-wall pipeline preformed hole, the water supply and drainage through-wall pipe (1) penetrates through the wall body (2) through the through-wall pipeline preformed hole, and the through-wall section of the water supply and drainage through-wall pipe (1) is fixed in the through-wall pipeline preformed hole through the installation component; the supporting component is arranged on the wall body (2) and props against the bottom of the water supply and drainage through-wall pipe (1), and the damping component is arranged on the wall body (2) and movably props against the top of the water supply and drainage through-wall pipe (1).

2. The noise-reducing and noise-reducing wall pipe for water supply and drainage according to claim 1, characterized in that: the mounting assembly comprises a mounting seat (3) and a connecting lantern ring (5); the mounting seat (3) is fixedly arranged in the reserved hole of the through-wall pipeline, and the main body part of the mounting seat (3) is of an annular structure; the connecting lantern ring (5) is of an annular structure and is arranged in the annular structure of the mounting seat (3) in a matching mode, the water supply and drainage through-wall pipe (1) penetrates through the annular structure of the mounting seat (3), and the water supply and drainage through-wall pipe (1) is wrapped by the connecting lantern ring (5).

3. The noise-reducing and noise-reducing wall pipe for water supply and drainage according to claim 1, characterized in that: the support assembly and the damping assembly are respectively provided with two groups, the two groups of support assemblies and the two groups of damping assemblies are symmetrically arranged on two surfaces of the wall body (2), and the contact positions of the support assemblies and the damping assemblies which are arranged on the same surface of the wall body (2) and the water supply and drainage through-wall pipe (1) are positioned in the same vertical surface.

4. A noise-reducing and silencing wall pipe for water supply and drainage according to claim 3, characterized in that: each group of the supporting components comprises a fixed plate (6), a supporting plate (8), a supporting column (9) and a placing plate (10); the fixing plate (6) is attached to the wall body (2), and the supporting plate (8) is horizontally arranged and fixedly connected with the fixing plate (6); one end of a support column (9) is fixedly connected to the support plate (8), and the other end of the support column (9) is fixedly connected with the bottom surface of the placement plate (10); the top surface of the placing plate (10) is propped against the bottom of the water supply and drainage wall penetrating pipe (1).

5. The noise-reducing and silencing wall pipe for water supply and drainage according to claim 4, wherein: the top surface of the placing plate (10) is provided with a rubber cushion (20), and the rubber cushion (20) is abutted with the bottom of the water supply and drainage wall penetrating pipe (1).

6. A noise-reducing and silencing wall pipe for water supply and drainage according to claim 3, characterized in that: each group of damping components comprises a connecting plate (11), a strip-shaped plate (13), a strip-shaped block (14), a movable mechanism and a tight supporting plate (18); the connecting plate (11) is attached to the wall body (2), and the strip-shaped plate (13) is horizontally arranged and fixedly connected with the connecting plate (11); the strip-shaped block (14) is fixedly connected to the bottom of the strip-shaped plate (13), the top surface of the abutting plate (18) is movably connected with the strip-shaped block (14) through a movable mechanism, and the bottom surface of the abutting plate (18) abuts against the top of the water supply and drainage through-wall pipe (1).

7. The noise-reducing and silencing wall pipe for water supply and drainage according to claim 6, wherein: the movable mechanism comprises a sliding plate (15), a compound spring (16) and a strut (17); a sliding cavity is formed in the strip-shaped block (14), and a sliding plate (15) is arranged in the sliding cavity in a lifting and sliding manner; the top surface of the sliding plate (15) is in spring connection with the top wall of the sliding cavity through a plurality of compound springs (16), and the upper end of the support column (17) is fixedly connected with the bottom surface of the sliding plate (15); the bottom of the bar-shaped block (14) is provided with a connecting hole, and the lower end of the support column (17) penetrates through the connecting hole and is fixedly connected with the top surface of the abutting plate (18).

8. The noise-reducing and silencing wall pipe for water supply and drainage according to claim 6 or 7, characterized in that: the bottom surface of the abutting plate (18) is provided with a rubber cushion (20), and the rubber cushion (20) is abutted with the top of the water supply and drainage wall penetrating pipe (1).

9. The noise-reducing and noise-reducing wall pipe for water supply and drainage according to claim 7, characterized in that: the connecting hole is internally provided with a sliding sleeve (19), and the support column (17) penetrates through the sliding sleeve (19) and is in sliding connection with the inner wall of the sliding sleeve (19).