CN209026359U - A kind of supplying drainage attachment device - Google Patents

Abstract

The utility model belongs to plumbing pipe fitting connection area, specifically disclose a kind of supplying drainage attachment device, including the first connection component and the second connection component, first connection component includes first sleeve and the first flange disk that is set in outside first sleeve, second connection component includes second sleeve and the second flange disk that is set in outside second sleeve, first flange disk and second flange disk are fastened by bolts, first sleeve is externally provided with bellows, and bellows one end is sealedly and fixedly connected with first sleeve outer wall, the other end and first flange side surface are sealedly and fixedly connected.Using the utility model can solve existing supplying drainage junction due to the vibration of water flow and tube wall causes junction to be easy to loosen and the problem of leak occurs.

Description

A kind of supplying drainage attachment device

Technical field

The utility model relates to plumbing pipe fitting connection areas, and in particular to a kind of supplying drainage attachment device.

Background technique

Water supply and sewerage pipeline is required to connector to installation is attached between the water supply and sewerage pipeline of both ends, at present supplying drainage it Between connection it is main using flanged joint by the way of, specific connection structure is as shown in Figure 1, connector includes two is used to be set in The sleeve 8 of supplying drainage end, is equipped with ring flange 9 on sleeve 8, by 8 sets of pipe ends connected in needs of sleeve when installation, It is connect between low pressure pipeline and sleeve 8 using silk, using welding between the pipeline and sleeve 8 of 4 kilograms of pressure above.Two panels ring flange Gasket is added between 9, then uses bolt fastening, and the ring flange 9 of different pressures has different thickness and uses different bolts.

Using flanged joint frequent occurrence leak the case where, reason is: when water flows in supplying drainage, water flow can be right Tube wall generates vibration, and flange form junction cannot absorb this vibration, loosens so that the bolt of flange connects, even The sealing performance at the place of connecing also weakens therewith, poor sealing performance, so that there is a situation where junction leaks.

Utility model content

The purpose of this utility model is to provide a kind of supplying drainage attachment devices, to solve existing supplying drainage junction Due to the vibration of water flow and tube wall causes junction to be easy to loosen and the problem of leak occurs.

In order to achieve the above objectives, the utility model adopts the following technical solution:

A kind of supplying drainage attachment device, including the first connection component and the second connection component, the first connection component include First sleeve and the first flange disk being set in outside first sleeve, the second connection component include second sleeve and are set in second set Second flange disk outside cylinder, first flange disk and second flange disk are fastened by bolts, and first sleeve is externally provided with bellows, ripple Pipe one end is sealedly and fixedly connected with first sleeve outer wall, the other end and first flange side surface are sealedly and fixedly connected.

The principle and beneficial effect of this programme are:

Since bellows one end and first sleeve outer wall are sealedly and fixedly connected, the sealing of the other end and first flange side surface is solid Fixed connection, is still sealing structure, when water flow flows through in first sleeve and second sleeve, first sleeve and second sleeve inner wall with The vibration generated between water flow is transmitted to first flange disk and second flange disk, and a part of vibrational energy is transmitted to by first flange disk Bellows is absorbed partial vibration energy using the performance that bellows itself can stretch, therefore reaches first flange disk and second The vibrational energy of bolt between ring flange reduces, and is realized with this and reduces what connection between first flange disk and second flange disk loosened It may.

Further, the fixed flexible insertion pipe in first sleeve end, bellows-sheathed is located at outside insertion pipe, and insertion pipe is in Taper, insertion pipe are made of several arc panels that can be spliced into cylindrical tube structure, and are equipped with and are opened between adjacent arc panel Mouth slot, first flange disk is set in outside insertion pipe, and first flange disk inner wall is affixed with grafting pipe outer wall, and second sleeve end is solid Surely there is the mating pipe that can be inserted into insertion pipe, and mating pipe is cylindrical.First connection component and the second connection group When part connects, first compress bellows reduce Bellows Length, so that the insertion pipe in bellows exposes, bellows drive the One ring flange moves to the miner diameter end of insertion pipe, and insertion pipe loses the effect of first flange disk and restores taper, at this time by grafting Cooperate in pipe insertion insertion pipe, then bellows is made to restore to the original state, bellows drives first flange disk to transport to the bigger diameter end of insertion pipe Dynamic, the insertion pipe gathering of taper is cylindrical, i.e., insertion pipe wraps up mating pipe wherein, at this time again by first flange disk It is connected with second flange disk, the mating one side of insertion pipe and mating pipe can be to first sleeve and Play a supporting role between two sleeves, avoid first sleeve from only passing through bellows with second sleeve and connect so that first sleeve and Unstable problem is supported between second sleeve, on the other hand also be can increase one of seal line, is further strengthened sealing effect.

Further, insertion pipe is aluminum tube.Aluminum tube consistency and elasticity is moderate, and first flange disk is easy outside insertion pipe sliding It is dynamic that insertion pipe is gathered into cylindrical tube.

Further, the angle between the bus and axis of insertion pipe is 15~20 degree.This angle is preferred angle, is easy to slotting The opening and gathering of adapter tube.

Further, insertion pipe and first sleeve are coaxially disposed, and mating pipe and second sleeve are coaxially disposed.Using such Structure, flowing is more stable when water flow flows in first sleeve and second sleeve.

Further, first sleeve fixed sleeves are equipped with installation set, and corrugated tube end is fixedly connected with installation set.Interplanting is installed For the installation support construction of bellows and first sleeve.

Further, first flange disk coated inner wall has wear-resistant coating.First flange disk is resistance to when sliding in grafting pipe outer wall Mill layer can reduce the frictional dissipation between first flange disk and insertion pipe.

Further, seal washer is additionally provided between first flange disk and second flange disk.Seal washer is placed on first flange Between disk and the sealing surface of second flange disk, after tightening bolt, the ratio pressure on seal washer surface generates after reaching certain numerical value Deformation, and uneven place on sealing surface is filled up, leak connection tightly not.

Further, bellows is also connected between second sleeve and second flange disk.First sleeve and second sleeve inner wall with The vibration generated between water flow is transmitted to first flange disk and second flange disk, and second flange disk also transmits a part of vibrational energy Onto the bellows between second sleeve and second flange disk, vibrational energy is further absorbed, reaches first flange disk and the second method The vibrational energy on bolt between blue disk is further decreased.

Detailed description of the invention

Fig. 1 is the flange connection of supplying drainage in the prior art；

Fig. 2 is the main view of the utility model embodiment；

Fig. 3 is the positive cross-sectional view of the first connection component in Fig. 2；

Fig. 4 is the positive cross-sectional view of the second connection component in Fig. 2, and bellows is in uncompressed state；

Fig. 5 is the positive cross-sectional view of the second connection component in Fig. 2, and bellows is in compressive state.

Specific embodiment

It is further described below by specific embodiment:

Appended drawing reference in Figure of description includes: second sleeve 1, second flange disk 2, the second eyelet 21, mating Pipe 3, first flange disk 4, the first eyelet 41, bellows 5, first sleeve 6, insertion pipe 7, open slot 71, sleeve 8, ring flange 9.

As shown in Fig. 2, a kind of supplying drainage attachment device, including the first connection component and the second connection component, in conjunction with Fig. 4 Shown, the first connection component includes first sleeve 6 and the first flange disk 4 that is set in outside first sleeve 6, as shown in connection with fig. 3, the Two connection components include second sleeve 1 and the second flange disk 2 that is set in outside second sleeve 1, and first flange disk 4 and the second method Seal washer is additionally provided between blue disk 2 for the sealing between first flange disk 4 and second flange disk 2.6 external seal of first sleeve Fixing sleeve is equipped with installation set, is connected with bellows 5 in installation set, and 5 right end of bellows and installation set be sealedly and fixedly connected, left end and the One ring flange, 4 right side is sealedly and fixedly connected.

Again as shown in Figure 4 and Figure 5, the fixed flexible insertion pipe 7 of 6 left end of first sleeve sealing, insertion pipe 7 are aluminum Pipe, bellows 5 is set in outside insertion pipe 7, and insertion pipe 7 is tapered, and the angle between the bus and axis of insertion pipe 7 is 15~ 20 degree, insertion pipe 7 and first sleeve 6 are coaxially disposed, and insertion pipe 7 is by multiple arc board groups that can be spliced into cylindrical tube structure At, and open slot 71 is equipped between adjacent arc panel, first flange disk 4 is set in outside insertion pipe 7, and 4 inner wall of first flange disk It is affixed with 7 outer wall of insertion pipe, 4 inner wall of first flange disk is equipped with wear-resistant coating made of wear-resistant material coating.Again as shown in figure 3, The sealing of 1 right end of second sleeve is fixed with the mating pipe 3 that can be inserted into insertion pipe 7, and mating pipe 3 is cylindrical, inserts It connects cooperation pipe 3 and second sleeve 1 is coaxially disposed.

The utility model installation process is as follows:

First sleeve 6 and second sleeve 1 are first connected to two supplying drainage ends to be connected, specific connection side Formula connects with the silk that flanged joint in the prior art uses or welding manner is identical, herein no longer excessive narration.Then manpower is first First flange disk 4 is pushed to the right, and 4 compress bellows 5 of first flange disk reduce 5 length of bellows, so that in bellows 5 Insertion pipe 7 exposes, and first flange disk 4 is moved to the miner diameter end of insertion pipe 7 by the bigger diameter end of insertion pipe 7, and insertion pipe 7 loses first The effect of ring flange 4 and restore taper, firmly mating pipe 3 is fully inserted into insertion pipe 7 at this time, then loose one's grip and make bellows 5 are gradually recovered original state, and bellows 5 drives major diameter end motion of the first flange disk 4 to insertion pipe 7, the insertion pipe 7 of taper is collapsed It is cylindrical, i.e., insertion pipe 7 by the complete tight of mating pipe 3 wherein, at this time again by bolt pass through second flange disk 2 on The second eyelet 21 and first flange disk 4 on the first eyelet 41, realize first flange disk 4 and second flange disk 2 fastening, this The installation of utility model is completed.

When water flow flows through in first sleeve 6 and second sleeve 1, between first sleeve 6 and 1 inner wall of second sleeve and water flow The vibration of generation is transmitted to first flange disk 4 and second flange disk 2, and a part of vibrational energy is transmitted to ripple by first flange disk 4 Pipe 5 is absorbed partial vibration energy using the performance that bellows 5 itself can stretch, therefore reaches first flange disk 4 and the second method The vibrational energy of bolt between blue disk 2 reduces, and realizes that reducing connection between first flange disk 4 and second flange disk 2 loosens with this Possibility.The mating one side of insertion pipe 7 and mating pipe 3 can be to playing branch between first sleeve 6 and second sleeve 1 Support effect, avoids first sleeve 6 and second sleeve 1 from only connecting by bellows 5, so that between first sleeve 6 and second sleeve 1 Support it is unstable, on the other hand also can increase one of seal line, further strengthen sealing effect.

Bellows 5 can also be also connected between second sleeve 1 and second flange disk 2, be transmitted on second flange disk 2 Vibrational energy can reach for delivery to vibrational energy on the bellows 5 between second sleeve 1 and second flange disk 2, is further absorbed The vibrational energy on bolt between one ring flange 4 and second flange disk 2 is further decreased.

Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.

Claims (9)

1. a kind of supplying drainage attachment device, including the first connection component and the second connection component, the first connection component packet The first flange disk for including first sleeve and being set in outside first sleeve, second connection component include second sleeve and are set in Second flange disk outside second sleeve, the first flange disk and second flange disk are fastened by bolts, it is characterised in that: described First sleeve is externally provided with bellows, and described bellows one end and first sleeve outer wall be sealedly and fixedly connected, the other end and the first method Blue side surface is sealedly and fixedly connected.

2. a kind of supplying drainage attachment device according to claim 1, it is characterised in that: the first sleeve end is fixed Flexible insertion pipe, the bellows-sheathed are located at outside insertion pipe, and the insertion pipe is tapered, and insertion pipe can by several It is spliced into the arc panel composition of cylindrical tube structure, and is equipped with open slot between adjacent arc panel, the first flange disk is arranged Outside insertion pipe, and first flange disk inner wall is affixed with grafting pipe outer wall, and the second sleeve end, which is fixed with, can be inserted into grafting Mating pipe in pipe, and the mating pipe is cylindrical.

3. a kind of supplying drainage attachment device according to claim 2, it is characterised in that: the insertion pipe is aluminum tube.

4. a kind of supplying drainage attachment device according to claim 3, it is characterised in that: the bus and axis of the insertion pipe Angle between line is 15~20 degree.

5. a kind of supplying drainage attachment device according to claim 4, it is characterised in that: the insertion pipe and first sleeve Coaxial arrangement, the mating pipe and second sleeve are coaxially disposed.

6. a kind of supplying drainage attachment device according to claim 5, it is characterised in that: the first sleeve fixed sleeves Equipped with installation set, the corrugated tube end is fixedly connected with installation set.

7. a kind of supplying drainage attachment device according to claim 6, it is characterised in that: the first flange disk inner wall applies It is covered with wear-resistant coating.

8. a kind of supplying drainage attachment device according to claim 7, it is characterised in that: the first flange disk and second Seal washer is additionally provided between ring flange.

9. a kind of supplying drainage attachment device according to claim 8, it is characterised in that: the second sleeve and the second method Bellows is also connected between blue disk.