CN206175891U

CN206175891U - Pre -buried straight joint of PVC drain pipe can finely tune

Info

Publication number: CN206175891U
Application number: CN201621250075.6U
Authority: CN
Inventors: 田中民; 胥俊; 赵德刚
Original assignee: CSCEC Strait Construction and Development Co Ltd
Current assignee: CSCEC Strait Construction and Development Co Ltd
Priority date: 2016-11-22
Filing date: 2016-11-22
Publication date: 2017-05-17
Anticipated expiration: 2026-11-22

Abstract

A pre -buried straight joint of PVC drain pipe can finely tune, include: on finely tune drum core, finely tune drum core and peripheral sleeve pipe down, on finely tune drum core for upper and lower both ends open -ended, each other inlay globular pipe with one heart, including the first ectosphere and the ball in first among first ectosphere that embeds, first ectosphere wraps up in the periphery cover intraductally, ball upper end opening is first interface in first, under finely tune drum core for upper and lower both ends open -ended, each other inlays globular pipe with one heart, ball including the second ectosphere and in wrapping up the second among the second ectosphere, in the second ball upper end opening be fixed in on the peripheral sleeve pipe just with first ectosphere lower extreme open butt joint, second ectosphere lower extreme opening is the second interface. When the dislocation of the pre -buried straight joint of PVC drain pipe can finely tune of upper and lower two -ply, through finely tuning drum core in the rotation or finely tuning drum core to suitable angle connector down, avoid using the pre -buried straight joint of ordinary PVC drain pipe infiltration, the problem of leaking to appear because of the finished product floor secondary trompil that pre -buried dislocation led to the fact.

Description

A kind of fine-tuning PVC drain pipe pre-buried straight joint

Technical field

This utility model is related to pipe technology field, more particularly to a kind of fine-tuning PVC drain pipe pre-buried straight joint.

Background technology

At present, in hydropower installation work progress, PVC drain pipe is pre-buried more using pre-buried common non-adjustable（Upper lower interface is consolidated It is fixed）The method of straight joint.The structural representation of existing PVC drain pipe pre-buried straight joint is illustrated in figure 1, when in use, Needs are connected the first drain pipe lower end interface 12 with the second drain pipe upper end interface 21, and the first drain pipe upper end interface 11 connects External pipe, the connection external pipe of the second drain pipe lower end interface 22.Although the method disclosure satisfy that construction requirement, but construct It is difficult to ensure that built-in fitting position 100% is accurate in journey, it is thus possible to occur because built-in fitting dislocation causes drainage pipeline to pacify Dress, so as to need to carry out secondary perforate to floor, carries out again stifled hole after installing.And it is difficult to ensure that stifled hole quality so that floor There is leak, infiltration phenomenon.Increase construction cost while taking the engineering time, and be difficult to ensure that construction quality.

In order to overcome lower interface on existing PVC drain pipe built-in fitting to fix non-adjustable, because built-in fitting is wrong in straight joint method The secondary perforate of floor that position is caused, hole is blocked up again, the problems such as infiltration leak etc. is excessive, a kind of fine-tuning, Anti-dislocation PVC is needed Pre-buried straight joint of water drain pipe.

Utility model content

The purpose of this utility model is to propose a kind of fine-tuning, Anti-dislocation PVC drain pipe pre-buried straight joint, is solved Existing built-in fitting needs secondary perforate, the problems such as again stifled hole, leak seep water excessive easily occurs.

To achieve these goals, the technical scheme that this utility model is adopted for：

A kind of fine-tuning PVC drain pipe pre-buried straight joint, including：Upper fine setting drum core, lower fine setting drum core and peripheral casing；Institute State fine setting drum core for upper and lower ends opening, mutually embedding spherical pipe with one heart, including the first ectosphere and be nested among the first ectosphere First in ball；First ectosphere is wrapped in peripheral casing；Ball upper end open is first interface in first；It is micro- under described Adjust drum core for upper and lower ends opening, mutually embedding spherical pipe with one heart, including the second ectosphere and be wrapped among the second ectosphere second Interior ball, ball upper end open is fixed on peripheral casing and docks with the first ectosphere lower ending opening in second, and the second ectosphere lower end is opened Mouth is second interface.

Wherein, the peripheral casing inwall is provided with defining flange in the second ectosphere lower end.

Wherein, the defining flange is circumferentially around the peripheral casing inwall.

The beneficial effects of the utility model are：

When upper and lower two-ply fine-tuning PVC drain pipe pre-buried straight joint misplace when, by rotation finely tune drum core or under Fine setting drum core can couple together the two to suitable angle, it is to avoid using common PVC pre-buried straight joint of water drain pipe because pre-buried The secondary perforate of finished product floor that dislocation is caused, it is to avoid floor infiltration, the problem of leak occurs in floor.

Description of the drawings

Fig. 1 is the structural representation of prior art pre-buried straight joint of water drain pipe；

Fig. 2 is the structural representation of the fine-tuning PVC drain pipe pre-buried straight joint of this utility model.

Reference is：

Ball -31 in first, the first ectosphere -32, first interface -33, ball -41 in second, the second ectosphere -42, second interface - 43, peripheral casing -5, defining flange -51, connecting portion -61.

Specific embodiment

This utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party Formula is not intended to limit this utility model, structure that one of ordinary skill in the art is made according to these embodiments, method or Conversion functionally is all contained in protection domain of the present utility model.

Refering to a kind of fine-tuning PVC drain pipe pre-buried straight joint shown in Fig. 2, including：Upper fine setting drum core, lower fine setting drum core And peripheral casing 5；The upper fine setting drum core is upper and lower ends opening, mutually embedding spherical pipe with one heart, including the first ectosphere 32 and embedding It is placed on ball 31 in first among the first ectosphere 32；First ectosphere 32 is wrapped in peripheral casing 5；The upper end of ball 31 in first It is open as first interface 33；The lower fine setting drum core is upper and lower ends opening, mutually embedding spherical pipe with one heart, including the second ectosphere 42 And ball 41 in second among the second ectosphere 42 is wrapped in, the arcwall face of the outer wall of the second ectosphere 42 can be by the second ectosphere 42 Block spacing；The upper end open of ball 41 is fixed on peripheral casing 5 and docks with the lower ending opening of the first ectosphere 32 in second, outside second The lower ending opening of ball 42 is second interface 43.

When in use, by first interface 33 and external pipe or another fine-tuning PVC drain pipe pre-buried straight joint Connect at connecting portion 61, by second interface 43 with external pipe or another fine-tuning PVC drain pipe pre-buried straight joint another Connect at one connecting portion 61.When the fine-tuning PVC drain pipe pre-buried straight joint of upper and lower two-ply misplaces, by finely tuning in adjustment Core is roused in drum core or lower fine setting can couple together the two to suitable angle, it is to avoid pre-buried common PVC drainpipe pre-buried is direct Head is because of the pre-buried secondary perforate of finished product floor for causing that misplaces, the problem for avoiding floor from floor infiltration, leak occur.

The inwall of the peripheral casing 5 is provided with defining flange 51 in the lower end of the second ectosphere 42.Preferably, the defining flange 51 Circumferentially around the inwall of the peripheral casing 5.The defining flange 51 can block the second ectosphere 42, the second ectosphere 42 is played and is propped up Support is acted on, it is ensured that the second ectosphere 42 can be firmly fixed.The circumferential high inwall of the peripheral casing 5 that surround of defining flange 51 makes Obtaining defining flange 51 can apply support force in a balanced way to the second ectosphere 42, expand lifting surface area, it is to avoid the local of the second ectosphere 42 Stress is overweight and the phenomenon burst apart occurs.

It should be understood that, although this specification is been described by according to embodiment, but not each embodiment only includes one Individual independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art will should say Bright book as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, forming those skilled in the art can With the other embodiment for understanding.

Those listed above is a series of to describe the tool for being only for feasibility embodiment of the present utility model in detail Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from this utility model skill spirit Equivalent implementations or change should be included within protection domain of the present utility model.

Claims

1. a kind of fine-tuning PVC drain pipe pre-buried straight joint, it is characterised in that include：Upper fine setting drum core, lower fine setting drum core and outer Enclose sleeve pipe（5）；

The upper fine setting drum core is upper and lower ends opening, mutually embedding spherical pipe with one heart, including the first ectosphere（32）And it is nested in One ectosphere（32）Among first in ball（31）；First ectosphere（32）It is wrapped in peripheral casing（5）It is interior；Ball in first（31） Upper end open is first interface（33）；

The lower fine setting drum core is upper and lower ends opening, mutually embedding spherical pipe with one heart, including the second ectosphere（42）And it is wrapped in Two ectospheres（42）Among second in ball（41）, ball in second（41）Upper end open is fixed on peripheral casing（5）It is upper and with first Ectosphere（32）Lower ending opening is docked, the second ectosphere（42）Lower ending opening is second interface（43）.

2. fine-tuning PVC drain pipe pre-buried straight joint according to claim 1, it is characterised in that：

The peripheral casing（5）Inwall is in the second ectosphere（42）Lower end is provided with defining flange（51）.

3. fine-tuning PVC drain pipe pre-buried straight joint according to claim 2, it is characterised in that：The defining flange （51）Circumferentially around the peripheral casing（5）Inwall.