CN211976160U

CN211976160U - Drain pipe with built-in spiral structure

Info

Publication number: CN211976160U
Application number: CN201821636481.5U
Authority: CN
Inventors: 沈宇龙
Original assignee: Huzhou Jinjie Industry Co ltd
Current assignee: Huzhou Jinjie Industry Co ltd
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2020-11-20
Anticipated expiration: 2028-10-10

Abstract

The utility model relates to the technical field of pipelines, in particular to a drain pipe with a built-in spiral structure, which comprises a pipeline body, wherein one axial end of the pipeline body is provided with a first port, the other axial end of the pipeline body is provided with a second port, and the first port of the pipeline body is matched and connected with the second port of the adjacent pipeline body; the first port comprises an annular body, the second port comprises an inner annular body and an outer annular body which are integrally formed, the axial end face of the annular body abuts against the axial end face of the outer annular body, and the inner annular surface of the annular body abuts against the outer annular surface of the inner annular body; the inner wall of the pipeline body is provided with a first spiral body and a second spiral body at intervals, the cross section of the first spiral body is semicircular, and the cross section of the second spiral body is triangular. The utility model arranges the first spiral body and the second spiral body on the inner wall of the pipeline to forcibly make the water flow along the pipe wall in a water film shape, thereby reducing the impact on the pipe wall; the two pipelines are connected through the sealing element, and the sealing effect is good.

Description

Drain pipe with built-in spiral structure

Technical Field

The utility model relates to the technical field of pipelines, specifically be a built-in helical structure's drain pipe.

Background

Along with social development, the quality of life of people is continuously improved, the environmental awareness is correspondingly enhanced, and higher requirements are placed on living environment and buildings. However, in the building drainage pipeline system in the prior art, the flow state in the pipeline is disordered, the air pressure fluctuation is large, great noise is generated, and the life of people is seriously influenced.

In addition, the sealing performance of the pipeline is weakened after long-term use, which may cause liquid leakage inside the pipeline, thereby causing pollution to the surrounding environment and even serious potential safety hazard to people, and therefore, the sealing performance of the pipeline needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that prior art exists, a built-in helical structure's that can weaken noise and sealing performance is good drain pipe is proposed.

The utility model provides a technical scheme that its technical problem adopted is: a drain pipe with a built-in spiral structure comprises a pipe body, wherein a first port is formed at one axial end of the pipe body, a second port is formed at the other axial end of the pipe body, and the first port of the pipe body is connected with the second port of the adjacent pipe body in a matched mode; the first port comprises an annular body, the second port comprises an inner annular body and an outer annular body which are integrally formed, the axial end face of the annular body abuts against the axial end face of the outer annular body, and the inner annular surface of the annular body abuts against the outer annular surface of the inner annular body; the inner wall of the pipeline body is provided with a first spiral body and a second spiral body at intervals, the cross section of the first spiral body is semicircular, and the cross section of the second spiral body is triangular.

Preferably, the two adjacent pipeline bodies are connected through a sealing element, the sealing element comprises an elastic rubber sealing sleeve arranged at the joint of the two pipeline bodies and a sealing fixing element arranged on the outer peripheral side of the sealing sleeve, the sealing fixing element comprises a plurality of arc-shaped fixing pieces arranged around the outer circumference of the sealing sleeve, a magnetic absorption layer is arranged on one axial side of each fixing piece, a magnetic absorption butt joint layer connected with the magnetic absorption layer of the adjacent fixing piece is arranged on the other axial side of each fixing piece, a sealing groove for accommodating the sealing sleeve is formed after the connection of the port I and the port II, a bulge matched with the shape of the sealing groove is arranged on the inner arc side of each fixing piece, an elastic cushion is arranged on the contact side of each bulge and the sealing sleeve, the fixing pieces further comprise fixing parts connected with the outer peripheral wall of the pipeline body, the inner wall of the pipeline body is provided with an inner convex part, the inner convex part is provided with a butt joint threaded hole in butt joint with the threaded through hole, and the threaded through hole is connected with the butt joint threaded hole through a built-in screw.

Preferably, the equal symmetry in pipeline body axial both ends is equipped with four pairs butt joint screw hole, the stationary blade includes two 90 degrees angle stationary blades and a slice 180 degrees angle stationary blade, each stationary blade axial both ends all are equipped with a pair ofly the screw thread through-hole.

Preferably, the elastic pad is detachably connected with the protruding portion, the protruding portion is provided with an L-shaped clamping groove at two axial side edges, the elastic pad is provided with an L-shaped bayonet protrusion matched and connected with the clamping groove at the two axial side edges, and the bayonet protrusion and the elastic pad are integrally formed; the fixed part with be equipped with the bodiness pad between the external circumferential wall of pipeline, the bodiness pad be equipped with the bodiness pad connecting hole that the screw thread through-hole cooperation set up.

Preferably, a connecting nut is arranged in the butt-joint threaded hole, a limiting hole with the radius larger than that of the butt-joint threaded hole is formed in the axial outer end of the butt-joint threaded hole of the pipeline body, a limiting pressing sheet is arranged in the limiting hole, the built-in screw comprises a screw thread section connected with the connecting nut and a transition section connected with the screw thread section and a screw head, a limiting pressing sheet hole for the transition section to pass through is formed in the limiting pressing sheet, a second magnetic absorption layer is arranged on the hole wall of the limiting pressing sheet hole, and a second magnetic absorption butt-joint layer in butt joint with the second magnetic absorption layer is arranged on the outer peripheral side of the transition.

Preferably, the top of the limiting pressing sheet is symmetrically provided with two sliding grooves along the radial direction, sliding sheets are arranged in the sliding grooves, and limiting openings in butt joint with the sliding sheets are arranged on the hole walls of the limiting holes.

Preferably, the sides of the two sides of the sliding groove are provided with sliding piece limiting grooves, the sliding pieces are provided with sliding piece protrusions which are connected with the sliding piece limiting grooves in a sliding mode on the sides of the sliding direction of the sliding pieces, ball containing grooves are formed in the sliding piece limiting grooves, and balls which are in contact with the sliding piece protrusions are arranged in the ball containing grooves.

Preferably, the axial end surface of the inner ring body and the outer ring surface of the inner ring body are arranged in a fillet manner; the thickness of the inner ring body gradually decreases from the axial end face to the other end.

Preferably, a semicircular first groove is formed in the axial end face of the annular body, a semicircular second groove is formed in the axial end face of the outer ring body, and sealing rings are arranged in the first groove and the second groove.

Preferably, the helix angles of the first and second helices are both 35 degrees.

The utility model has the advantages that the first spiral body and the second spiral body are arranged on the inner wall of the pipeline to forcibly make water flow along the pipe wall in a water film shape, so that the impact on the pipe wall is reduced, and the noise is reduced; the two pipelines are connected through the sealing element, so that the leakage of the pipelines can be prevented, the sealing effect is good, and the safety performance is high.

Drawings

Fig. 1 is a schematic structural view of a drain pipe with a built-in spiral structure according to the present invention;

FIG. 2 is a schematic view of a connection structure of two pipes;

FIG. 3 is an enlarged view of the connection of FIG. 2;

FIG. 4 is a schematic view showing a connection structure of a fixing piece and a pipe;

FIG. 5 is a radial cross-sectional view of the pipe of FIG. 4;

FIG. 6 is a schematic view of the fixing sheet and the elastic pad;

FIG. 7 is a schematic structural view of a limiting pressing sheet;

FIG. 8 is another schematic view of the structure of the limiting pressing sheet;

the pipeline comprises a pipeline body 1, a pipeline body 11, a first port 12, a second port 13, a built-in screw, a 131, a screw thread section 132, a transition section 14, a butt joint screw hole 15, a connecting screw cap 16, a limiting pressing sheet 161, a magnetic attraction layer II, a 162, a sliding sheet 163, a limiting opening 164, a ball 2, a sealing sleeve 3, a fixing sheet 31, an elastic pad 32, a threaded through hole 4, a sealing ring 5, a first spiral body 6 and a second spiral body.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 and 2, the drain pipe with the built-in spiral structure comprises a pipe body 1, wherein a first port 11 is arranged at one axial end of the pipe body 1, a second port 12 is arranged at the other axial end of the pipe body 1, and the first port 11 of the pipe body 1 is connected with the second port 12 of the adjacent pipe body 1 in a matching manner. The first port 11 comprises an annular body, the second port 12 comprises an inner annular body and an outer annular body which are integrally formed, the axial end face of the annular body abuts against the axial end face of the outer annular body, and the inner annular surface of the annular body abuts against the outer annular surface of the inner annular body.

The axial end surface of the inner ring body and the outer ring surface of the inner ring body are arranged in a fillet mode, and therefore the port two 12 can be conveniently inserted into the port one 11. The thickness of the inner ring body from the axial end face to the other end is gradually reduced, and the resistance to liquid flow can be reduced. The axial end face of the annular body is provided with a semicircular first groove, the axial end face of the outer ring body is provided with a semicircular second groove, and sealing rings 4 are arranged in the first groove and the second groove, so that liquid or gas in the pipeline can be prevented from leaking through the sealing rings 4, and the sealing performance of the pipeline is improved.

The inner wall of the pipeline body 1 is provided with a first spiral body 5 and a second spiral body 6 at intervals, the cross section of the first spiral body 5 is semicircular, the cross section of the second spiral body 6 is triangular, the spiral angles of the first spiral body 5 and the second spiral body 6 are both 35 degrees, the pipeline body 1 of the structure enables the wall attachment resistance of the pipeline to water flow to be increased, so that the water flow can forcibly flow along the pipe wall in a water film shape, the impact on the pipe wall is reduced, the water flow speed is reduced due to the special structure of the spiral bodies, the water tongue resistance coefficient is reduced, the continuous inertial ventilation of a central gas core in the pipeline is kept, the pressure fluctuation in the pipeline is stabilized, and the water flow noise is effectively reduced.

As shown in fig. 3, two adjacent pipeline bodies 1 are connected by a sealing element, the sealing element comprises an elastic rubber sealing sleeve 2 arranged at the joint of the two pipeline bodies 1 and a sealing fixing element arranged at the periphery side of the sealing sleeve 2, the sealing fixing element comprises a plurality of arc-shaped fixing pieces 3 arranged around the outer circumference of the sealing sleeve 2, one axial side of each fixing piece 3 is provided with a magnetic attraction layer, the other axial side of each fixing piece 3 is provided with a magnetic attraction butt joint layer connected with the magnetic attraction layer of the adjacent fixing piece 3, a first port 11 and a second port 12 are connected to form a sealing groove for accommodating the sealing sleeve 2, the inner arc side of each fixing piece 3 is provided with a bulge matched with the shape of the sealing groove, the bulge is provided with an elastic pad 31 at the contact side of the sealing sleeve 2, and the fixing piece 3 further comprises a fixing part connected with the outer, the fixing part is provided with a thread through hole 32, the inner wall of the pipeline body 1 is provided with an inner convex part, the inner convex part is provided with a butt joint thread hole 14 in butt joint with the thread through hole 32, and the thread through hole 32 is connected with the butt joint thread hole 14 through a built-in screw 13.

When two pipeline bodies 1 are connected, firstly, the sealing sleeve 2 is folded and sleeved on a port I11 of one pipeline body 1, then a port II 12 of the other pipeline body 1 is butted with the port I11, then the sealing sleeve 2 is unfolded to cover a connecting gap between the port I11 and the port II 12, finally, the protruding part of the fixing piece 3 is pressed on the sealing sleeve 2, the fixing part of the fixing piece 3 is fixedly connected with the pipeline body 1, and the elastic pad 31 is used for improving the contact tightness of the protruding part and the sealing sleeve 2. The sealing performance of the pipe body 1 can be further improved by the sealing member.

As shown in fig. 5, four pairs of the butt joint threaded holes 14 are symmetrically formed at both axial ends of the pipe body 1, the fixing piece 3 includes two 90-degree angle fixing pieces and one 180-degree angle fixing piece, and each pair of the threaded through holes 32 is formed at both axial ends of the fixing piece 3.

When the fixing piece 3 is installed, firstly, a built-in screw 13 is inserted into a thread through hole 32 of a 90-degree angle fixing piece, then the built-in screw 13 is inserted into a proper butt joint thread hole 14, then the rest three built-in screws 13 are respectively and sequentially inserted into the rest three thread through holes 32 of the 90-degree angle fixing piece and the corresponding butt joint thread hole 14, the built-in screws 13 are screwed down to enable the 90-degree angle fixing piece to be fixed with the pipeline body 1, then the other 90-degree angle fixing piece is firstly connected with the previous 90-degree angle fixing piece through magnetic attraction, and then the other 90-degree angle fixing piece is fixed with the pipeline body 1 through the built. Finally, the 180-degree angle fixing piece is connected with the former fixing piece through magnetic attraction, and then is fixed with the pipeline body 1 through the built-in screw 13. The magnetic attraction layer and the magnetic attraction butt joint layer can play a supporting role, for example, the first fixing piece is arranged above the pipeline body 1, and the other fixing piece 3 is supported by hands without being held under the pipeline body 1 because of the magnetic attraction support, so that the installation of the built-in screw 13 is facilitated.

As shown in fig. 6, the elastic pad 31 is detachably connected to the protruding portion, the protruding portion is provided with L-shaped slots at two axial sides, the elastic pad 31 is provided with L-shaped bayonet protrusions at two axial sides, the L-shaped bayonet protrusions are connected to the slots in a matched manner, and the bayonet protrusions and the elastic pad 31 are integrally formed. The fixed part with be equipped with the bodiness pad between the outer circumferential wall of pipeline body 1, the bodiness pad be equipped with the bodiness pad connecting hole that screw through-hole 32 cooperation set up. When the elastic pad 31 is installed with the boss, only the L-shaped bayonet boss needs to be inserted into the L-shaped slot along the axial direction, and when the elastic pad is detached, only the L-shaped bayonet boss needs to be pulled out from the L-shaped slot along the axial direction, which is very simple and convenient. The elastic pad 31 can improve the applicability of the sealing fixture in addition to the connection tightness. For example, when the radius of the pipe body 1 becomes smaller, the thicker elastic pad 31 can be replaced to adapt to the change, and the fixed connection of the fixing piece 3 and the pipe body 1 can be realized by combining with the thickened pad.

As shown in fig. 4, a connection nut 15 is arranged in the butt-joint threaded hole 14, the axial outer end of the butt-joint threaded hole 14 of the pipeline body 1 is provided with a limit hole having a radius larger than that of the butt-joint threaded hole 14, a limit pressing piece 16 is arranged in the limit hole, the built-in screw 13 includes a threaded section 131 connected with the connection nut 15 and a transition section 132 connecting the threaded section 131 and a screw head, the limit pressing piece 16 is provided with a limit pressing piece hole for the transition section 132 to pass through, the hole wall of the limit pressing piece hole is provided with a second magnetic absorption layer 161, and a second magnetic absorption butt-joint layer butted with the second magnetic absorption layer 161 is arranged on the outer peripheral side of the transition section 132. The connection nut 15 can improve the connection stability of the pipe body 1 and the fixing piece 3.

After the built-in screw 13 is fixedly connected with the connecting nut 15, when the pipeline body 1 vibrates to a certain extent, the magnetic attraction exists between the limiting pressing piece 16 and the built-in screw 13, so the built-in screw 13 cannot be loosened, the fixing piece 3 cannot be loosened, the limiting pressing piece 16 cannot be loosened, the connecting nut 15 cannot be loosened, and the connecting nut 15 and the built-in screw 13 are further stably and firmly connected.

As shown in fig. 7 and 8, two sliding grooves are symmetrically arranged at the top of the limiting pressing sheet 16 along the radial direction, a sliding sheet 162 is arranged in each sliding groove, and a limiting opening 163 butted with the sliding sheet 162 is arranged on the hole wall of each limiting hole. The utility model discloses a solid lubricant conveying device, including spout, gleitbretter 162, gleitbretter limiting groove both sides are equipped with the gleitbretter limiting groove, gleitbretter 162 be equipped with at its slip direction avris with gleitbretter limiting groove sliding connection's gleitbretter arch, the gleitbretter limiting groove is equipped with the ball storage tank, be equipped with.

The limiting pressing sheet 16 can be fixed to the pipeline body 1 through the sliding sheet 162 and the limiting opening 163, so that the connecting nut 15 is firmly fixed, and the firmness of the fixing sheet 3 and the pipeline body 1 is further improved. The provision of the balls 164 facilitates radial movement of the slide 162.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a built-in helical structure's drain pipe which characterized in that: the pipeline comprises a pipeline body (1), wherein a first port (11) is arranged at one axial end of the pipeline body (1), a second port (12) is arranged at the other axial end of the pipeline body (1), and the first port (11) of the pipeline body (1) is connected with the second port (12) of the adjacent pipeline body (1) in a matching manner; the first port (11) comprises an annular body, the second port (12) comprises an inner annular body and an outer annular body which are integrally formed, the axial end face of the annular body is abutted against the axial end face of the outer annular body, and the inner annular surface of the annular body is abutted against the outer annular surface of the inner annular body; the pipeline is characterized in that a first spiral body (5) and a second spiral body (6) are arranged on the inner wall of the pipeline body (1) at intervals, the cross section of the first spiral body (5) is semicircular, and the cross section of the second spiral body (6) is triangular.

2. A drain pipe with built-in spiral structure according to claim 1, wherein: two adjacent the pipeline body (1) is connected through the sealing member, the sealing member is including locating elastic rubber seal cover (2) of two pipeline body (1) junctions and locating the sealing mounting of seal cover (2) periphery side, sealing mounting includes a plurality of centers on arcuation stationary blade (3) that the outer circumference of seal cover (2) was arranged and is set up, stationary blade (3) one axial avris is equipped with the magnetism and inhales the layer, stationary blade (3) another axial avris is equipped with and is adjacent the magnetism that the layer is connected is inhaled to the magnetism of stationary blade (3), port one (11) with port two (12) are connected the back and are formed an holding the seal groove of seal cover (2), stationary blade (3) inner arc side be equipped with seal groove shape complex bellying, the bellying with seal cover (2) contact side is equipped with elasticity pad (31), the fixing piece (3) further comprises a fixing portion connected with the outer peripheral wall of the pipeline body (1), the fixing portion is provided with a threaded through hole (32), an inner convex portion is arranged on the inner wall of the pipeline body (1), a butt joint threaded hole (14) in butt joint with the threaded through hole (32) is formed in the inner convex portion, and the threaded through hole (32) is connected with the butt joint threaded hole (14) through a built-in screw (13).

3. A drain pipe with built-in spiral structure according to claim 2, wherein: pipeline body (1) axial both ends equal symmetry is equipped with four right butt joint screw hole (14), stationary blade (3) include two 90 degrees angle stationary blades and a slice 180 degrees angle stationary blade, each stationary blade (3) axial both ends all are equipped with a pair ofly screw thread through-hole (32).

4. A drain pipe with built-in spiral structure according to claim 2, wherein: the elastic pad (31) is detachably connected with the protruding portion, L-shaped clamping grooves are formed in the edges of the protruding portion in the two axial directions, L-shaped bayonet protrusions matched and connected with the clamping grooves are formed in the edges of the elastic pad (31) in the two axial directions, and the bayonet protrusions and the elastic pad (31) are integrally formed; the fixed part with be equipped with the bodiness pad between the outer circumferential wall of pipeline body (1), the bodiness pad be equipped with the bodiness pad connecting hole that screw through-hole (32) cooperation set up.

5. A drain pipe with built-in spiral structure according to claim 2, wherein: the pipeline is characterized in that a connecting nut (15) is arranged in the butt joint threaded hole (14), a limiting hole with the radius larger than that of the butt joint threaded hole (14) is arranged at the axial outer end of the pipeline body (1) in the butt joint threaded hole (14), a limiting pressing sheet (16) is arranged in the limiting hole, the built-in screw (13) comprises a threaded section (131) connected with the connecting nut (15) and a transition section (132) connected with the threaded section (131) and a screw head, the limiting pressing sheet (16) is provided with a limiting pressing sheet hole for the transition section (132) to penetrate through, a second magnetic absorption layer (161) is arranged on the hole wall of the limiting pressing sheet hole, and a second magnetic absorption butt joint layer (161) in butt joint with the second magnetic absorption layer (161) is arranged on the outer peripheral side of the.

6. The drain pipe with built-in spiral structure according to claim 5, wherein: the top of the limiting pressing sheet (16) is symmetrically provided with two sliding grooves along the radial direction, sliding sheets (162) are arranged in the sliding grooves, and limiting openings (163) in butt joint with the sliding sheets (162) are formed in the hole walls of the limiting holes.

7. The drain pipe of built-in spiral structure according to claim 6, wherein: the utility model discloses a sliding vane, including spout both sides, gleitbretter (162) are equipped with the gleitbretter spacing groove at its slip direction avris, gleitbretter (162) be equipped with gleitbretter spacing groove sliding connection's gleitbretter arch, the gleitbretter spacing inslot is equipped with the ball storage tank, be equipped with in the ball storage tank with ball (164) of the protruding contact of gleitbretter.

8. A drain pipe with built-in spiral structure according to claim 1, wherein: the axial end surface of the inner ring body and the outer ring surface of the inner ring body are arranged in a fillet manner; the thickness of the inner ring body gradually decreases from the axial end face to the other end.

9. A drain pipe with built-in spiral structure according to claim 1, wherein: the axial end face of the annular body is provided with a semicircular first groove, the axial end face of the outer ring body is provided with a semicircular second groove, and sealing rings (4) are arranged in the first groove and the second groove.

10. A drain pipe with built-in spiral structure according to claim 1, wherein: the spiral angles of the first spiral body (5) and the second spiral body (6) are both 35 degrees.