CN112282020A

CN112282020A - Sewage transport pipeline of anti-return

Info

Publication number: CN112282020A
Application number: CN202011254250.XA
Authority: CN
Inventors: 彭广山
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-01-29

Abstract

The invention discloses an anti-backflow sewage conveying pipeline which comprises a sewage conveying pipe and an installation pipe connected to the sewage conveying pipe, wherein an anti-backflow device is detachably installed on the inner side wall of one end of the installation pipe, the anti-backflow device comprises a telescopic rod female rod fixedly installed in the installation pipe, a telescopic rod male rod is movably inserted into one end of the telescopic rod female rod, a sealing ball is fixedly installed at one end of the telescopic rod male rod, a first spring is uniformly wound on the outer side wall of the telescopic rod male rod, and two ends of the first spring are fixedly installed on the telescopic rod female rod and the sealing ball respectively. The backflow prevention device can be conveniently and fixedly installed in the installation pipe or detached from the installation pipe, so that the backflow prevention device can be conveniently replaced after the elasticity of the spring is deteriorated, the backflow prevention effect of the sewage transportation pipeline can be prevented from being rapidly reduced due to the fact that the elasticity of the spring is deteriorated, the design is reasonable, and the practical effect is good.

Description

Sewage transport pipeline of anti-return

Technical Field

The invention relates to the technical field of municipal pipelines, in particular to a backflow-preventing sewage conveying pipeline.

Background

The municipal engineering refers to municipal facility construction engineering, in China, municipal facilities refer to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns (villages) and provide paid or unpaid public products and services for residents based on government responsibilities and obligations, and various public infrastructure constructions matched with urban life belong to the municipal engineering category, such as common urban roads, bridges and subways, such as various pipelines closely related to life: the construction of rainwater, sewage, water supply, reclaimed water, electric power, telecommunication, heating power, gas and the like, squares, urban afforestation and the like belongs to the field of municipal engineering, a pipeline is a device which is connected by pipes, pipe connectors, valves and the like and is used for conveying gas, liquid or fluid with solid particles, generally, the fluid flows from a high pressure part of the pipeline to a low pressure part after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by the pressure or gravity of the fluid, the pipeline has wide application range and is mainly used in water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, a sewage discharge pipeline is required to convey sewage in the municipal engineering construction process, and most of the sewage discharge pipelines do not have the function of backflow prevention, when the pipeline is damaged and needs to be maintained, the pipeline does not have the backflow prevention function, so that sewage flows back, and the maintenance is troublesome.

Through retrieval, chinese patent No. CN108954003B discloses a sewage transportation pipeline of anti-return, including first pipeline, the one end fixedly connected with flange of first pipeline, one side fixedly connected with second pipeline that first pipeline was kept away from to the flange, the spacing groove has all been seted up on the surface that first pipeline and second pipeline are close to flange one end, peg graft in the inside of spacing groove has the gag lever post, the both ends of gag lever post all set up the screw hole, the internal thread of screw hole is connected with the bolt, the inner wall that flange one end was kept away from to first pipeline has seted up the guide way.

The existing municipal sewage transportation pipeline has the following defects: mix the impurity in sewage during use and block up sewage transport pipe way between dog and fixed block easy card, impurity gets into also easily after the reposition of redundant personnel hole and blocks up the reposition of redundant personnel hole, and the spring is changed inconveniently moreover, consequently will lead to sewage transport pipe way's backflow prevention effect to sharply descend after the elasticity variation of spring, and practical function is relatively poor.

Disclosure of Invention

The invention aims to solve the problem that municipal sewage conveying pipelines in the prior art are unreasonable in design, and provides a backflow-preventing sewage conveying pipeline.

In order to achieve the purpose, the invention adopts the following technical scheme:

a backflow-preventing sewage conveying pipeline comprises a sewage conveying pipe and an installation pipe connected to the sewage conveying pipe, wherein a backflow-preventing device is detachably installed on the inner side wall of one end of the installation pipe and comprises a telescopic rod female rod fixedly installed in the installation pipe, a telescopic rod male rod is movably inserted into one end of the telescopic rod female rod, a sealing ball is fixedly installed at one end of the telescopic rod male rod, a first spring is uniformly wound on the outer side wall of the telescopic rod male rod, two ends of the first spring are fixedly installed on the telescopic rod female rod and the sealing ball respectively, a sealing block matched with the sealing ball is fixedly installed on the inner side wall of the installation pipe, a through hole is formed in the sealing block, the sealing ball is in sealing connection with one side of the through hole, a protective device is connected between the telescopic rod female rod and the sealing ball, and connecting flanges are fixedly installed at two ends of the installation pipe and the sewage conveying pipe, a plurality of connecting screw rods are inserted into the two adjacent connecting flanges together, each connecting screw rod is connected with a connecting nut in a threaded manner, and the two adjacent connecting flanges are connected with anti-loosening devices together.

Preferably, both sides of the sealing block are tapered surfaces.

Preferably, equal symmetrical fixed mounting has two connecting plates on the lateral wall of the female pole of telescopic link, equal symmetrical fixed mounting has two fixed plates that mutually support with the connecting plate on the inside wall of installation pipe, and two connecting plates paste respectively tightly on two fixed plates, two equal fixed mounting has clamping screw on the fixed plate, and two clamping screw run through two connecting plate settings respectively, two equal threaded connection has fastening nut on clamping screw's the lateral wall, and two fastening nut paste tightly on two connecting plates respectively.

Preferably, the protector includes the fixed pipe of annular of fixed mounting on the female pole lateral wall of telescopic link, the one end activity of the fixed pipe of annular is inserted and is equipped with annular movable tube, the one end fixed mounting of annular movable tube is on the ball sealer, and the son pole of telescopic link and first spring all are located the inboard of annular movable tube.

Preferably, locking device that moves includes fixing base and the connecting seat of difference fixed mounting on two flange, fixed mounting has the connecting block on the lateral wall that the connecting seat is close to fixing base one side, and the connecting block inserts and establishes on the fixing base, set up the spread groove of mutually supporting with the connecting block on the fixing base, movable mounting has the stopper on the roof of connecting block, set up the spacing groove of mutually supporting with the stopper on the inside wall of spread groove, threaded connection has the push rod of mutually supporting with the stopper on the roof of fixing base, and the bottom of push rod extends to the spacing inslot.

Preferably, the mounting groove of mutually supporting with the stopper has been seted up on the roof of connecting block, the activity is inserted on the inside wall of mounting groove and is equipped with a plurality of movable rods, and the equal fixed mounting in top of movable rod is on the diapire of stopper, every all around being equipped with the second spring on the lateral wall of movable rod, and the both ends difference fixed mounting of second spring is on the diapire of stopper and the inside wall of mounting groove.

Preferably, the top end of the limiting block is a spherical surface.

Preferably, the top wall of the fixing seat is provided with a groove matched with the push rod, and the push rod is positioned in the groove.

Compared with the prior art, the invention has the following beneficial effects:

1. the backflow prevention device can be conveniently and fixedly installed in the installation pipe or detached from the installation pipe, so that the backflow prevention device can be conveniently replaced after the elasticity of the spring is deteriorated, the backflow prevention effect of the sewage transportation pipeline can be prevented from being rapidly reduced due to the deteriorated elasticity of the spring, the design is reasonable, and the practical effect is good;

2. a protective device is connected between the telescopic rod main rod and the sealing ball, so that impurities can be prevented from being wound on the telescopic rod main rod, the telescopic rod sub-rod, the sealing ball and the first spring, and the sewage conveying pipeline can be prevented from being blocked due to accumulation of the impurities;

3. all be connected with locking device that moves jointly on two adjacent flange, can prevent to lead to the junction of installation pipe and sewage transport pipe to take place not hard up because connecting screw and coupling nut are not hard up to can prevent that sewage transport pipe from taking place to leak, excellent in use effect.

Drawings

Fig. 1 is a first front sectional view of a sewage transport pipeline with backflow prevention according to the present invention;

FIG. 2 is a second front sectional view of a backflow prevention sewage transport pipeline according to the present invention;

FIG. 3 is a schematic front view of an anti-backflow sewage transportation pipeline according to the present invention;

fig. 4 is an enlarged view of a portion a of a sewage transport pipeline for preventing backflow according to the present invention.

In the figure: 1 installation pipe, 2 female poles of telescopic link, 3 sub-poles of telescopic link, 4 ball sealings, 5 first spring, 6 sealing plug, 7 connecting plates, 8 fixed plates, 9 clamping screw, 10 fastening nut, 11 fixed pipes of annular, 12 annular movable tubes, 13 flange, 14 connecting screw, 15 connecting nut, 16 fixing base, 17 connecting seat, 18 connecting block, 19 spread groove, 20 stopper, 21 mounting grooves, 22 movable rods, 23 second spring, 24 spacing grooves, 25 push rods, 26 recesses.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a backflow-preventing sewage transportation pipeline comprises a sewage transportation pipe and a mounting pipe 1 connected to the sewage transportation pipe, wherein a backflow-preventing device is detachably mounted on the inner side wall of one end of the mounting pipe 1, the backflow-preventing device comprises a telescopic rod female rod 2 fixedly mounted in the mounting pipe 1, a telescopic rod male rod 3 is movably inserted into one end of the telescopic rod female rod 2, a sealing ball 4 is fixedly mounted at one end of the telescopic rod male rod 3, a first spring 5 is uniformly wound on the outer side wall of the telescopic rod male rod 3, two ends of the first spring 5 are respectively fixedly mounted on the telescopic rod female rod 2 and the sealing ball 4, a sealing plug 6 mutually matched with the sealing ball 4 is fixedly mounted on the inner side wall of the mounting pipe 1, a through hole is formed in the sealing plug 6, the sealing ball 4 is hermetically connected to one side of the through hole, when the sewage transportation pipeline needs to be overh, the sealing ball 4 is not pushed by the first spring 5 to be in close contact with the sealing block 6, so that one side of the through hole can be sealed, and sewage can be prevented from flowing back.

The two sides of the sealing and plugging block 6 are conical surfaces, so that impurities can be prevented from being clamped at the sealing and plugging block 6.

Two connecting plates 7 are symmetrically and fixedly arranged on the outer side wall of the telescopic rod female rod 2, two fixing plates 8 which are matched with the connecting plates 7 are symmetrically and fixedly arranged on the inner side wall of the mounting pipe 1, and the two connecting plates 7 are respectively attached to the two fixing plates 8, the two fixing plates 8 are both fixedly provided with a fixing screw 9, the two fixing screws 9 are respectively arranged through the two connecting plates 7, the outer side walls of the two fixing screws 9 are respectively in threaded connection with fastening nuts 10, the two fastening nuts 10 are respectively attached to the two connecting plates 7, the backflow preventer can be conveniently and fixedly installed in the installation pipe 1 or detached from the installation pipe 1, so that the backflow prevention device can be conveniently replaced when the elasticity of the first spring 5 is deteriorated, thereby preventing the backflow preventing effect of the sewage transporting pipeline from being rapidly reduced due to the poor elasticity of the first spring 5.

Be connected with protector between female pole 2 of telescopic link and the ball sealer 4, protector includes the fixed pipe 11 of annular of fixed mounting on the female pole 2 lateral walls of telescopic link, the one end activity of the fixed pipe 11 of annular is inserted and is equipped with annular movable tube 12, the one end fixed mounting of annular movable tube 12 is on ball sealer 4, and the son pole 3 of telescopic link and first spring 5 all are located the inboard of annular movable tube 12, can prevent that impurity from twining in the female pole 2 of telescopic link, the son pole 3 of telescopic link, ball sealer 4 and first spring 5 are last, thereby can avoid blockking up sewage transportation pipeline because impurity piles up.

Connecting flanges 13 are fixedly arranged at two ends of the mounting pipe 1 and the sewage conveying pipe, a plurality of connecting screw rods 14 are commonly inserted into two adjacent connecting flanges 13, each connecting screw rod 14 is in threaded connection with a connecting nut 15, two adjacent connecting flanges 13 are commonly connected with an anti-loosening device, the anti-loosening device comprises a fixed seat 16 and a connecting seat 17 which are respectively and fixedly arranged on the two connecting flanges 13, a connecting block 18 is fixedly arranged on the outer side wall of one side, close to the fixed seat 16, of the connecting seat 17, the connecting block 18 is inserted into the fixed seat 16, a connecting groove 19 which is matched with the connecting block 18 is formed in the fixed seat 16, a limiting block 20 is movably arranged on the top wall of the connecting block 18, a mounting groove 21 which is matched with the limiting block 20 is formed in the top wall of the connecting block 18, a plurality of movable rods 22 are movably inserted into the inner side wall of the mounting groove 21, and the, all around being equipped with second spring 23 on every movable rod 22's the lateral wall, and the both ends of second spring 23 respectively fixed mounting on stopper 20's diapire and mounting groove 21's inside wall, stopper 20 can freely reciprocate, and stopper 20's top is the sphere, and stopper 20's sphere receives can contract to the mounting groove 21 in after the extrusion to be convenient for insert stopper 20 and connecting block 18 in spread groove 19.

Offer the spacing groove 24 of mutually supporting with stopper 20 on the inside wall of connecting groove 19, threaded connection has the push rod 25 of mutually supporting with stopper 20 on the roof of fixing base 16, and the bottom of push rod 25 extends to spacing inslot 24, rotates push rod 25 and promotes stopper 20 to the outside of spacing groove 24, just can be convenient pull down stopper 20, connecting block 18 and connecting seat 17 from fixing base 16.

The top wall of the fixing seat 16 is provided with a groove 26 matched with the push rod 25, and the push rod 25 is positioned in the groove 26, so that the push rod 25 can be prevented from protruding out of the upper side of the fixing seat 16.

In the invention, when the sewage transportation pipeline needs to be overhauled, the sealing ball 4 is tightly contacted with the sealing block 6 under the pushing of the first spring 5 because the sealing ball is not subjected to the impact force of sewage transportation, so that one side of the through hole can be sealed, and the sewage can be prevented from flowing back; after adjacent connecting flange 13 is fixedly connected to one and connecting block 18 is inserted into corresponding connecting groove 19, second spring 23 will promote stopper 20's top to move to corresponding spacing groove 24 owing to resume self elasticity in to can be with stopper 20, connecting block 18 and connecting seat 17 fixed connection on fixing base 16, thereby can prevent that two adjacent connecting flange 13 from taking place to become flexible.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an anti-return's sewage transport pipe way, includes sewage transport pipe and connects installation pipe (1) on sewage transport pipe, its characterized in that: the anti-backflow device is detachably mounted on the inner side wall of one end of the mounting pipe (1), the anti-backflow device comprises a telescopic rod female rod (2) fixedly mounted in the mounting pipe (1), a telescopic rod sub-rod (3) is movably inserted into one end of the telescopic rod female rod (2), a sealing ball (4) is fixedly mounted at one end of the telescopic rod sub-rod (3), a first spring (5) is uniformly wound on the outer side wall of the telescopic rod sub-rod (3), two ends of the first spring (5) are respectively and fixedly mounted on the telescopic rod female rod (2) and the sealing ball (4), a sealing block (6) mutually matched with the sealing ball (4) is fixedly mounted on the inner side wall of the mounting pipe (1), a through hole is formed in the sealing block (6), the sealing ball (4) is hermetically connected to one side of the through hole, and a protection device is connected between the telescopic rod female rod (2) and the sealing ball (4), the sewage transportation pipe is characterized in that connecting flanges (13) are fixedly mounted at two ends of the mounting pipe (1) and the sewage transportation pipe, a plurality of connecting screw rods (14) are inserted on two adjacent connecting flanges (13) together, each connecting screw rod (14) is connected with a connecting nut (15) in a threaded manner, and the connecting flanges (13) are connected with an anti-loosening device together.

2. The backflow-preventing sewage transport pipeline according to claim 1, characterized in that: and both sides of the sealing and plugging block (6) are conical surfaces.

3. The backflow-preventing sewage transport pipeline according to claim 1, characterized in that: equal symmetrical fixed mounting has two connecting plates (7) on the lateral wall of female pole (2) of telescopic link, equal symmetrical fixed mounting has two fixed plates (8) of mutually supporting with connecting plate (7) on the inside wall of installation pipe (1), and two connecting plates (7) paste respectively tightly on two fixed plates (8), two equal fixed mounting has clamping screw (9) on fixed plate (8), and two clamping screw (9) run through two connecting plate (7) settings respectively, two equal threaded connection has fastening nut (10) on the lateral wall of clamping screw (9), and two fastening nut (10) paste respectively tightly on two connecting plates (7).

4. The backflow-preventing sewage transport pipeline according to claim 1, characterized in that: the protection device comprises an annular fixed pipe (11) fixedly installed on the outer side wall of the telescopic rod female rod (2), an annular movable pipe (12) is movably inserted into one end of the annular fixed pipe (11), one end of the annular movable pipe (12) is fixedly installed on the sealing ball (4), and the telescopic rod male rod (3) and the first spring (5) are located on the inner side of the annular movable pipe (12).

5. The backflow-preventing sewage transport pipeline according to claim 1, characterized in that: locking device is including fixing base (16) and connecting seat (17) of difference fixed mounting on two flange (13), fixed mounting has connecting block (18) on connecting seat (17) is close to the lateral wall of fixing base (16) one side, and connecting block (18) insert and establish on fixing base (16), set up on fixing base (16) and connecting groove (19) of mutually supporting with connecting block (18), movable mounting has stopper (20) on the roof of connecting block (18), set up spacing groove (24) of mutually supporting with stopper (20) on the inside wall of connecting groove (19), threaded connection has on the roof of fixing base (16) and has push rod (25) of mutually supporting with stopper (20), and the bottom of push rod (25) extends to in spacing groove (24).

6. The backflow-preventing sewage transport pipeline according to claim 5, wherein: offer on the roof of connecting block (18) mounting groove (21) of mutually supporting with stopper (20), the activity is inserted on the inside wall of mounting groove (21) and is equipped with a plurality of movable rods (22), and the equal fixed mounting in top of movable rod (22) is on the diapire of stopper (20), every all around being equipped with second spring (23) on the lateral wall of movable rod (22), and the both ends difference fixed mounting of second spring (23) is on the inside wall of the diapire of stopper (20) and mounting groove (21).

7. The backflow-preventing sewage transport pipeline according to claim 5, wherein: the top end of the limiting block (20) is a spherical surface.

8. The backflow-preventing sewage transport pipeline according to claim 5, wherein: the top wall of the fixed seat (16) is provided with a groove (26) which is matched with the push rod (25), and the push rod (25) is positioned in the groove (26).