Silencing drain pipe structure

Abstract

The utility model provides a silencing drain pipe structure, belongs to the technical field of drain pipe structures, and aims to solve the problem that impact of water flow on a pipe wall cannot be reduced. And vibration generated by the drainage pipe cannot be eliminated. Comprising an outer pipe and an inner pipe, an auxiliary structure is fixedly arranged on the top of the inner side of the inner pipe, and a connecting device is fixedly arranged on the outer side of the outer pipe. A connecting assembly is fixedly arranged on the outer side of the connecting device, and a damping assembly is fixedly arranged on the inner side of the connecting assembly; by arranging the annular array type spiral fixing strips, the fixing disc and the fixing strips can be driven by water flow to rotate, so that the water flow flows towards the inner wall of the inner pipe, and wall flow is formed on the inner wall of the drainage pipe; the impact of the water flow on the drainage pipe is reduced, and the phenomenon that the water flow quickly compresses air in the drainage pipe can be avoided; and sound generated when water flows on the pipe wall of the inner pipe can be effectively isolated through the silencing layer.

Description

Technical Field

[0001] The utility model belongs to the technical field of drainage pipe structures, and more specifically, particularly relates to a sound-absorbing drainage pipe structure. Background Art

[0002] The noise of drainage pipes in buildings is mainly caused by three forms: the noise caused by pipe vibration due to the impact of water flow in the drainage pipe on the pipe wall, the noise caused by rapid compression of air caused by water flow in the drainage pipe, and the sound of water flowing in the drainage pipe.

[0003] Drainage pipes in existing buildings are usually silenced by wrapping the outside of the drainage pipe with sound insulation cotton. Although the method of wrapping with sound insulation cotton can achieve a certain silencer effect, it cannot reduce the impact of water flow on the pipe wall. In addition, existing drainage pipes are usually fixed with pipe clamps and iron rods, so that the vibration generated by the drainage pipe cannot be eliminated, and the silencer effect of the current drainage pipe structure is not ideal. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a sound-absorbing drainage pipe structure to solve the problem that the impact of water flow on the pipe wall proposed in the above background technology cannot be reduced; and the existing drainage pipes are usually fixed with pipe clamps and iron rods, so that the vibration generated by the drainage pipe cannot be eliminated.

[0005] The utility model provides a sound-absorbing drainage pipe structure, which is achieved by the following specific technical means:

[0006] A sound-absorbing drainage pipe structure comprises an outer pipe; two groups of retaining frames are symmetrically fixedly arranged on the outer side of the outer pipe, and a fixing column is fixedly arranged on the inner side of the outer pipe, and the fixing column is arranged in a circular array; an inner pipe is fixedly arranged on the top of the fixing column, and the inner pipe is located on the inner side of the outer pipe, and a sound-absorbing layer is arranged between the inner pipe and the outer pipe; the sound-absorbing layer is composed of foamed plastic, and the surface of the sound-absorbing layer is respectively in contact with the inner wall of the outer pipe and the inner wall of the inner pipe;

[0007] An auxiliary structure is fixedly arranged on the top of the inner side of the inner tube, and a connecting device is fixedly arranged on the outer side of the outer tube; a connecting component is fixedly arranged on the outer side of the connecting device, and a shock-absorbing component is fixedly arranged on the inner side of the connecting component; the auxiliary structure includes: a horizontal plate and a vertical axis; the horizontal plate is fixedly arranged on the inner side of the top of the inner tube; a bearing is installed on the outer side of the vertical axis, and the bearing is installed inside the horizontal plate.

[0008] In at least some embodiments, the auxiliary structure also includes: a fixed disk and a fixed bar; the fixed disk is fixedly arranged at the bottom end of the vertical axis, and the fixed disk is arranged as a conical structure; the fixed bar is fixedly arranged on the surface of the fixed disk, and the fixed bar is arranged in a circular array, and the fixed bar is arranged in a spiral shape.

[0009] In at least some embodiments, the connecting device includes: a splint, a clamping seat, a double-headed screw, a clamping frame and a fixed plate; the splint is movably arranged on the outside of the outer tube, and the splint is located between the two groups of retaining frames; the clamping seat is fixedly arranged on the outside of the splint, and the clamping seat and the splint are symmetrically arranged in two groups; the double-headed screw is arranged between the inside of the two groups of clamping seats through a threaded connection, and knobs are fixedly arranged on the outside of both ends of the double-headed screw; the clamping frame is slidably arranged between the outsides of the two groups of clamping seats, and a double-headed screw is rotatably arranged inside the clamping frame; the fixed plate is fixedly arranged on the outside of the clamping frame.

[0010] In at least some embodiments, the connecting assembly includes: a fixed seat, a connecting plate, a connecting seat, a mounting frame and a mounting hole; the fixed seat is fixedly arranged on the outer side of the fixed plate; the connecting plate is rotatably arranged on the outer side of the fixed seat; the connecting seat is rotatably arranged on the inner side of the connecting plate, and the connecting seat, the connecting plate and the fixed seat are all arranged in two groups, and the connecting seat, the connecting plate and the fixed seat are all symmetrically arranged; the mounting frame is slidably arranged between the outer sides of the two groups of connecting seats; and the mounting holes are symmetrically opened inside the mounting frame.

[0011] In at least some embodiments, the connection assembly also includes: a fixed cylinder and a limiting column; the fixed cylinder is fixedly arranged on the inner side of the mounting frame; the limiting column is slidably arranged inside the fixed cylinder, and a fixed connection is arranged between the top end of the limiting column and the fixed plate, and a spring member is arranged between the limiting column and the inside of the fixed cylinder.

[0012] In at least some embodiments, the shock absorbing assembly includes: a shock absorbing cylinder, a shock absorbing column, a piston plate and a throttling hole; the shock absorbing cylinder is fixedly arranged on both sides of the mounting frame, and the interior of the shock absorbing cylinder is filled with a viscous fluid; the shock absorbing column is slidably arranged inside the shock absorbing cylinder, and the shock absorbing column and the connecting seat are arranged to be fixedly connected, and a spring member is arranged between the shock absorbing column and the shock absorbing cylinder; the piston plate is fixedly arranged at the top of the shock absorbing column, and the piston plate is slidably arranged inside the shock absorbing cylinder; the throttling hole is opened in the interior of the piston plate in a through-type, and the throttling hole is opened in a ring array.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by providing a circular array of spiral fixing strips, the fixing plate and the fixing strips can be driven to rotate by water flow, so that the water flows to the inner wall of the inner tube and forms a wall flow on the inner wall of the drain pipe; thereby reducing the impact of the water flow on the drain pipe, and avoiding the phenomenon of rapid compression of the air in the drain pipe by the water flow; and by using the sound-absorbing layer, the sound of the water flowing on the wall of the inner tube can be effectively isolated; thereby effectively eliminating the sound of the water flowing in the drain pipe and the noise generated by the rapid compression of the air caused by the water flow in the drain pipe.

[0015] 2. In the utility model, by providing a connecting device, the outer pipe can be connected with the connecting assembly and the shock-absorbing assembly; when the drainage pipe vibrates, the two groups of connecting plates can be used in conjunction with the two groups of connecting seats to stretch or compress the shock-absorbing column; thereby, the vibration generated by the drainage pipe can be effectively decomposed and eliminated; it is beneficial to eliminate the noise generated by the pipe vibration; and it is beneficial to improve the silencing effect of the drainage pipe structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional structure diagram of an outer tube and an inner tube of the utility model.

[0018] Figure 3 It is a schematic diagram of the connection structure of the connection device and the connection component of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the connecting device of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the connection component of the utility model.

[0021] Figure 6 It is a structural schematic diagram of the shock absorbing assembly of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. outer tube; 101. baffle frame; 102. fixing column; 103. inner tube; 104. sound-absorbing layer;

[0024] 2. Auxiliary structure; 201. Horizontal plate; 202. Vertical axis; 203. Fixed plate; 204. Fixed bar;

[0025] 3. Connecting device; 301. Clamping plate; 302. Clamping seat; 303. Double-headed screw; 304. Clamping frame; 305. Fixing plate;

[0026] 4. Connecting assembly; 401. fixing seat; 402. connecting plate; 403. connecting seat; 404. mounting frame; 405. mounting hole; 406. fixing cylinder; 407. limiting column;

[0027] 5. shock absorbing assembly; 501. shock absorbing cylinder; 502. shock absorbing column; 503. piston plate; 504. throttle hole. DETAILED DESCRIPTION

[0028] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0029] Embodiment 1:

[0030] As attached Figure 1 To Attachment Figure 6 As shown:

[0031] The utility model provides a sound-absorbing drainage pipe structure, comprising an outer pipe 1; two groups of retaining frames 101 are symmetrically fixedly arranged on the outer side of the outer pipe 1, and a fixing column 102 is fixedly arranged on the inner side of the outer pipe 1, and the fixing column 102 is arranged in a ring array; an inner pipe 103 is fixedly arranged on the top of the fixing column 102, and the inner pipe 103 is located on the inner side of the outer pipe 1, and a sound-absorbing layer 104 is arranged between the inner pipe 103 and the outer pipe 1; the sound-absorbing layer 104 is composed of foamed plastic, and the surface of the sound-absorbing layer 104 is respectively in contact with the inner wall of the outer pipe 1 and the inner wall of the inner pipe 103;

[0032] In the embodiment of the present disclosure, an auxiliary structure 2 is fixedly arranged on the top of the inner side of the inner tube 103, and a connecting device 3 is fixedly arranged on the outer side of the outer tube 1; a connecting assembly 4 is fixedly arranged on the outer side of the connecting device 3, and a shock absorbing assembly 5 is fixedly arranged on the inner side of the connecting assembly 4; the auxiliary structure 2 includes: a horizontal plate 201, a vertical shaft 202, a fixed plate 203 and a fixed bar 204; the horizontal plate 201 is fixedly arranged on the inner side of the top of the inner tube 103; a bearing is installed on the outer side of the vertical shaft 202, and the bearing is installed on the horizontal plate 20 1 inside; the fixed disk 203 is fixedly arranged at the bottom end of the vertical shaft 202, and the fixed disk 203 is arranged in a conical structure; the fixed bars 204 are fixedly arranged on the surface of the fixed disk 203, and the fixed bars 204 are arranged in a ring array, and the fixed bars 204 are arranged in a spiral shape; its specific function is: through the ring array type spiral fixed bars 204, the water flow can drive the fixed disk 203 to rotate, so that the fixed disk 203 cooperates with the fixed bars 204 to guide the water flow to the wall of the inner tube 103, so that the water flow forms a wall flow on the wall of the inner tube 103.

[0033] Embodiment 2:

[0034] As attached Figure 3 With attached Figure 4As shown: Based on the first embodiment, the connecting device 3 includes: a clamping plate 301, a clamping seat 302, a double-headed screw 303, a clamping frame 304 and a fixed plate 305; the clamping plate 301 is movably arranged on the outside of the outer tube 1, and the clamping plate 301 is located between the two groups of retaining frames 101; the clamping seat 302 is fixedly arranged on the outside of the clamping plate 301, and the clamping seat 302 and the clamping plate 301 are symmetrically arranged in two groups; the double-headed screw 303 is arranged between the inside of the two groups of clamping seats 302 through a threaded connection, and the double-headed screw Knobs are fixedly provided on the outer sides of both ends of 303; the clamping frame 304 is slidably provided between the outer sides of the two groups of clamping seats 302, and a double-headed screw 303 is rotatably provided inside the clamping frame 304; the fixing plate 305 is fixedly provided on the outer side of the clamping frame 304; its specific function is: by providing the double-headed screw 303 and the two groups of clamping seats 302, the effect of making the two groups of clamping plates 301 move in opposite directions at the same time to clamp the outer tube 1 is achieved, which is conducive to the quick connection between the outer tube 1 and the connecting component 4 and the shock absorbing component 5.

[0035] Embodiment three:

[0036] As attached Figure 3 , Attachment Figure 5 With attached Figure 6As shown: On the basis of the first and second embodiments, the connection assembly 4 includes: a fixing seat 401, a connection plate 402, a connection seat 403, a mounting frame 404, a mounting hole 405, a fixing cylinder 406 and a limiting column 407; the fixing seat 401 is fixedly arranged on the outside of the fixing plate 305; the connection plate 402 is rotatably arranged on the outside of the fixing seat 401; the connection seat 403 is rotatably arranged on the inside of the connection plate 402, and the connection seat 403, the connection plate 402 and the fixing seat 401 are all arranged in number. There are two groups, and the connecting seat 403, the connecting plate 402 and the fixing seat 401 are all symmetrically arranged; the mounting frame 404 is slidably arranged between the outer sides of the two groups of connecting seats 403; the mounting holes 405 are symmetrically opened inside the mounting frame 404; the fixing cylinder 406 is fixedly arranged inside the mounting frame 404; the limiting column 407 is slidably arranged inside the fixing cylinder 406, and the top of the limiting column 407 is set to be fixedly connected with the fixing plate 305, and the limiting column 407 is fixedly connected with the fixing cylinder 406. The shock absorbing assembly 5 includes: a shock absorbing cylinder 501, a shock absorbing column 502, a piston plate 503 and a throttle hole 504; the shock absorbing cylinder 501 is fixedly arranged on both sides of the mounting frame 404, and the shock absorbing cylinder 501 is filled with a viscous fluid; the shock absorbing column 502 is slidably arranged inside the shock absorbing cylinder 501, and the shock absorbing column 502 and the connecting seat 403 are arranged to be fixedly connected, and a spring member is arranged between the shock absorbing column 502 and the shock absorbing cylinder 501; the piston plate 503 is fixedly arranged on the shock absorbing cylinder The top of the shock column 502 and the piston plate 503 are slidably arranged inside the shock-absorbing cylinder 501; the throttle hole 504 is opened in the piston plate 503 in a through-type manner, and the throttle hole 504 is opened in a ring array; its specific function is: by providing two groups of symmetrical connecting plates 402, the two groups of connecting seats 403 can move in opposite directions at the same time, so that the two groups of connecting seats 403 can compress or stretch the two groups of shock-absorbing columns 502 at the same time, which is beneficial to decompose and offset the vibration generated by the drainage pipe.

[0037] The specific usage and function of this embodiment are as follows:

[0038] The utility model is used to fix the mounting frame 404 at the mounting position through the mounting hole 405, and then the outer tube 1 and the inner tube 103 are connected to the drainage system, and then the double-headed screw 303 is rotated by the knob, and the double-headed screw 303 drives the two groups of clamping plates 301 to move in opposite directions at the same time through the two groups of clamping seats 302, so that the two groups of clamping plates 301 clamp the outer tube 1 and fix it; and the clamping plates 301 are limited to be located between the two groups of retaining frames 101; when water flows into the inner tube 103, the water flows through the annular array spiral fixing strips 204 to drive the fixing plate 203 to rotate, so that the fixing plate 203 cooperates with the fixing strips 204 to guide the water flow to the wall of the inner tube 103, so that the water flow forms a wall flow on the wall of the inner tube 103, which is conducive to preventing the water flow from flowing in the center of the pipeline and avoiding the phenomenon that the water flow impacts the inner wall of the pipeline multiple times; the sound of the water flow on the wall of the inner tube 103 is silenced The layer 104 is isolated and eliminated; when the inner tube 103 and the outer tube 1 vibrate during water flow, the outer tube 1 transmits the vibration force to the two sets of connecting plates 402 through the connecting device 3, so that the connecting plates 402 move in the opposite direction at the same time, so that the vibration force generated by the outer tube 1 is decomposed; the two sets of connecting plates 402 compress or stretch the shock-absorbing column 502 through the two sets of connecting seats 403; the shock-absorbing column 502 compresses or stretches the spring part on its outer side, and the limit column 407 compresses or stretches the spring part inside the fixed cylinder 406; at the same time, the shock-absorbing column 502 drives the piston plate 503 to move inside the shock-absorbing cylinder 501, so that the viscous fluid in the two parts of the space separated by the piston plate 503 inside the shock-absorbing cylinder 501 complements each other through the throttling hole 504 to form damping, and then the vibration force can be eliminated by using the shock-absorbing component 5, which is beneficial to eliminate the noise generated by pipeline vibration.

Claims

1. A sound-absorbing drainage pipe structure, characterized in that: include: An outer tube (1); two groups of retaining frames (101) are symmetrically fixedly arranged on the outer side of the outer tube (1), and a fixing column (102) is fixedly arranged on the inner side of the outer tube (1), and the fixing columns (102) are arranged in a ring array; an inner tube (103) is fixedly arranged on the top of the fixing column (102), and the inner tube (103) is located on the inner side of the outer tube (1), and a sound-absorbing layer (104) is arranged between the inner tube (103) and the outer tube (1); the sound-absorbing layer (104) is composed of foamed plastic, and the surface of the sound-absorbing layer (104) is respectively in contact with the inner wall of the outer tube (1) and the inner wall of the inner tube (103); An auxiliary structure (2) is fixedly arranged on the top of the inner side of the inner tube (103), and a connecting device (3) is fixedly arranged on the outer side of the outer tube (1); a connecting assembly (4) is fixedly arranged on the outer side of the connecting device (3), and a shock absorbing assembly (5) is fixedly arranged on the inner side of the connecting assembly (4); the auxiliary structure (2) comprises: a horizontal plate (201) and a vertical shaft (202); the horizontal plate (201) is fixedly arranged on the inner side of the top of the inner tube (103); a bearing is mounted on the outer side of the vertical shaft (202), and the bearing is mounted inside the horizontal plate (201).

2. The sound-absorbing drain pipe structure according to claim 1, characterized in that: The auxiliary structure (2) further comprises: a fixed disk (203) and a fixed bar (204); the fixed disk (203) is fixedly arranged at the bottom end of the vertical axis (202), and the fixed disk (203) is arranged in a conical structure; the fixed bar (204) is fixedly arranged on the surface of the fixed disk (203), and the fixed bar (204) is arranged in a ring array, and the fixed bar (204) is arranged in a spiral shape.

3. The sound-absorbing drain pipe structure according to claim 1, characterized in that: The connecting device (3) comprises: a clamping plate (301), a clamping seat (302), a double-headed screw (303), a clamping frame (304) and a fixed plate (305); the clamping plate (301) is movably arranged on the outside of the outer tube (1), and the clamping plate (301) is located between the two groups of retaining frames (101); the clamping seat (302) is fixedly arranged on the outside of the clamping plate (301), and the clamping seat (302) and the clamping plate (301) are both symmetrically arranged in two groups; the double-headed screw (303) is arranged between the inside of the two groups of clamping seats (302) through threaded connection, and knobs are fixedly arranged on the outside of both ends of the double-headed screw (303); the clamping frame (304) is slidably arranged between the outside of the two groups of clamping seats (302), and the double-headed screw (303) is rotatably arranged inside the clamping frame (304); the fixed plate (305) is fixedly arranged on the outside of the clamping frame (304).

4. The sound-absorbing drain pipe structure according to claim 3 is characterized in that: The connection assembly (4) comprises: a fixing seat (401), a connection plate (402), a connection seat (403), a mounting frame (404) and a mounting hole (405); the fixing seat (401) is fixedly arranged on the outside of the fixing plate (405); the connection plate (402) is rotatably arranged on the outside of the fixing seat (401); the connection seat (403) is rotatably arranged on the inside of the connection plate (402), and the connection seat (403), the connection plate (402) and the fixing seat (401) are all arranged in two groups, and the connection seat (403), the connection plate (402) and the fixing seat (401) are all arranged symmetrically; the mounting frame (404) is slidably arranged between the outsides of the two groups of connection seats (403); and the mounting holes (405) are symmetrically opened inside the mounting frame (404).

5. The sound-absorbing drain pipe structure according to claim 4 is characterized in that: The connection assembly (4) further comprises: a fixed cylinder (406) and a limiting column (407); the fixed cylinder (406) is fixedly arranged inside the mounting frame (404); the limiting column (407) is slidably arranged inside the fixed cylinder (406), and a fixed connection is arranged between the top end of the limiting column (407) and the fixed plate (305), and a spring member is arranged between the limiting column (407) and the inside of the fixed cylinder (406).

6. The sound-absorbing drain pipe structure according to claim 4, characterized in that: The shock absorbing assembly (5) comprises: a shock absorbing cylinder (501), a shock absorbing column (502), a piston plate (503) and a throttle hole (504); the shock absorbing cylinder (501) is fixedly arranged on both sides of the mounting frame (404), and the interior of the shock absorbing cylinder (501) is filled with a viscous fluid; the shock absorbing column (502) is slidably arranged inside the shock absorbing cylinder (501), and the shock absorbing column (502) and the connecting seat (403) are arranged to be fixedly connected, and a spring member is arranged between the shock absorbing column (502) and the shock absorbing cylinder (501); the piston plate (503) is fixedly arranged on the top of the shock absorbing column (502), and the piston plate (503) is slidably arranged inside the shock absorbing cylinder (501); the throttle hole (504) is opened in the interior of the piston plate (503) in a through-type manner, and the throttle hole (504) is opened in a ring array.

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