CN206268710U - A kind of pipeline patching device - Google Patents

Abstract

The utility model discloses a kind of pipeline patching device, including upper shell, lower house and it is respectively arranged on the sealing gasket of the upper shell and lower house, the both sides of the upper shell and lower house are provided with both to being connected in the flange and bolt connection piece of whole housing, the sealing gasket includes radial seal body and axial seal body, the upper shell and lower house are provided with the radial seal groove for installing the radial seal body and the axial seal grooves for installing the axial seal body, the upper shell or lower house are provided with the retaining wall of projection on the outside of axial seal grooves, in the state of the upper shell and lower house are mutually butted, the retaining wall closes the gap between its flange from outside.The patcher can not only effectively prevent sealing gasket because exposed to the outer accelerated ageing of housing, can also effectively prevent the sealing gasket in axial groove that seal groove or explosion are extruded because pressure is excessive simultaneously, anti-pressure ability and reliability are greatly improved, and sealing property and reliability are higher.

Description

A kind of pipeline patching device

Technical field

The utility model is related to pipe first-aid equipment technical field, particularly for being carried out quickly to leakage or broken pipe The pipe emergency repair joint of repairing.

Background technology

At present, growing with urban construction, various pipelines are more and more applied in feedwater, draining, heat supply, confession The various infrastructure such as coal gas, long distance delivery oil and natural gas, agricultural irrigation, water conservancy.

Due to factors such as building or road constructions, pipeline is likely to occur seepage or breakage, then need to be rushed to repair, By taking city supply water pipeline as an example, it typically uses ductile iron pipe or armored concrete pipe of cement, during the use of pipeline, Due to factors such as building or road constructions, these pipelines may occur seepage or breakage, and especially upper hose is easier Generation accident.

Hafu-type pipeline quick-repairing joint is a kind of device that quick reparation can be carried out to accident piping failure position, its utilization Sealing ring in upper shell and lower house wraps up the damaged part of pipeline, then clamps to reach the purpose of fast blockage.Specifically Ground, fast abridged edition body that Hafu-type pipeline quick-repairing joint generally includes to be made up of two panels semicircle cylinder shell, two pieces rubber blanket and some tight Firmware.When using, the inside of the fast abridged edition body that rubber blanket need to be only laid in, then by the fast abridged edition body pairing hoop of two panels in pipe leakage Or breakage, and fixed using fastener.

Hafu-type pipe first-aid saves simple structure soon, easy to use, can in a short period of time complete accident pipeline Repairing work, you can save the time cut off the water, emergency repair cost can be reduced again.But, also progressively find in actual use Come with some shortcomings part：

First, Hafu-type pipeline quick-repairing joint is after repairing is finished, although the axial gasket between upper shell and lower house It is compacted, but certain interval can be left between the flange of upper and lower casing, causes the side of axial gasket can be outwards sudden and violent from gap Dew, easy accelerated ageing, the risk that there is failure after prolonged.

Second, the sealing property in order to ensure upper shell and lower house pairing position, fastening bolt can apply to sealing gasket Larger pressure, the sealing gasket in axial groove can be extruded seal groove or explosion because pressure is excessive, and anti-pressure ability and reliability have Treat further raising.

Therefore, the anti-pressure ability and reliability of sealing gasket how are improved, is the technology that those skilled in the art need to solve Problem.

Utility model content

The purpose of this utility model is to provide a kind of pipeline patching device.The patcher can not only effectively prevent sealing gasket Because exposed to the outer accelerated ageing of housing, while can also effectively prevent the sealing gasket in axial groove that sealing is extruded because pressure is excessive Groove or explosion, anti-pressure ability and reliability are greatly improved, and sealing property and reliability are higher.

To achieve the above object, the utility model provides a kind of pipeline patching device, including upper shell, lower house and difference Located at the upper shell and the sealing gasket of lower house, the both sides of the upper shell and lower house are provided with both to being connected in whole shell The flange and bolt connection piece of body, the sealing gasket include radial seal body and axial seal body, the upper shell and lower house It is provided with the radial seal groove for installing the radial seal body and the axial seal for installing the axial seal body Groove, the upper shell or lower house are provided with the retaining wall of projection on the outside of axial seal grooves, in the upper shell and lower casing body phase Mutually in the state of docking, the retaining wall closes the gap between its flange from outside.

Preferably, the retaining wall on the upper shell or lower house is axially continuous retaining wall, and the bolt on the flange connects Joint chair and bolt connection piece are located at the outside of the retaining wall.

Preferably, the retaining wall on the upper shell or lower house is to avoid the bolt joint seat on the flange in the axial direction With the discontinuous retaining wall of bolt connection piece.

Preferably, the gap after the height of the retaining wall is mutually butted more than the upper shell and lower house between its flange Width.

Preferably, the sealing gasket is provided with sealing shirt rim with the inner peripheral of housing contact surface.

Preferably, the upper shell and lower house are equipped with multiple tracks radial seal groove, and multiple tracks radial seal body is provided with it； The radial seal body includes being located at the first radial seal body of end and is at least located between end radial seal body together Second radial seal body.

Preferably, the first radial seal body is binary radial seal body.

Preferably, the both sides in the axial seal grooves are provided with the vertical sealing gasket fixing tooth of multiple tracks.

Preferably, the sealing gasket fixing tooth of the axial seal grooves both sides is interspersed.

Preferably, the radial seal body and axial seal body are integral type structure, and the radial seal groove is close with axial direction Sealing groove connects.

Pipeline patching device provided by the utility model is provided with convex in upper shell or lower house on the outside of axial seal grooves The retaining wall for rising, after upper shell and lower house are mutually butted, the flange of the lower house or upper shell that are not provided with retaining wall can be complete Complete to enter retaining wall inner side, retaining wall can close the gap between upper shell and lower house flange from outside.So, axial seal grooves Interior axial seal body is just completely wrapped within housing, will not be exposed, and can effectively prevent sealing gasket because exposed to housing Outer accelerated ageing, while also effectively preventing axial seal body that axial seal grooves or explosion, resistance to compression energy are extruded because pressure is excessive Power and reliability are obviously improved.

In a kind of preferred scheme, the sealing gasket is provided with sealing shirt rim with the inner peripheral of housing contact surface.So, The contact area of sealing gasket inner peripheral and housing can be increased, on the one hand play fixing, make sealing gasket stability more preferably, separately On the one hand the sealing effectiveness of sealing gasket can be improved, makes pipeline patching device that there is stronger anti-pressure ability.

In another preferred scheme, the upper shell and lower house are respectively equipped with multiple tracks radial seal groove, each radially close Corresponding radial seal body is provided with sealing groove.Due in addition to the radial seal body at two ends, being gone back between end radial seal body It is provided with radial seal body, therefore strengthens the support of patcher and broken pipe, for damaged or deform more serious pipeline With more preferable repairing effect；Can effectively prevent patcher from being slid axially on broken pipe simultaneously, with better seal Reliability.

Brief description of the drawings

Fig. 1 is a kind of pipeline patching device scheme of installation when bolt is not screwed disclosed in the utility model embodiment；

Fig. 2 is that a kind of installation of the pipeline patching device disclosed in the utility model embodiment when bolt is screwed in place is illustrated Figure；

Fig. 3 is the internal structure schematic diagram of upper shell shown in Fig. 1；

Fig. 4 is the partial enlarged drawing at sealing gasket fixing tooth position in Fig. 3；

Fig. 5 is the external structure schematic diagram of upper shell shown in Fig. 1；

Fig. 6 is the axial sectional view of Fig. 5；

Fig. 7 is the radial cross-section of Fig. 5；

Fig. 8 is the internal structure schematic diagram of lower house shown in Fig. 1；

Fig. 9 is the partial enlarged drawing at sealing gasket fixing tooth position in Fig. 8；

Figure 10 is the external structure schematic diagram of lower house shown in Fig. 1；

Figure 11 is the axial sectional view of Figure 10；

Figure 12 is the radial cross-section of Figure 10；

Figure 13 is the structural representation of sealing gasket；

Figure 14 is the side view of sealing gasket shown in Figure 13；

Figure 15 is the radial cross-section of Figure 14；

Figure 16 is the axial sectional view of Figure 14.

In figure：

1. the bolt of 2. lower house of upper shell, 3. sealing gasket 5.

1-1. flange 1-2 radial seal groove 1-3. axial seal grooves 1-4. retaining wall 1-5. sealing gasket fixing tooths 1-6. Mounting hole 1-7. relief holes 1-8. strengthens gusset

2-1. flange 2-2. radial seal groove 2-3. axial seal grooves 2-4. hexagonal counterbore 2-5. sealing gasket fixing tooths 2-6. mounting holes 2-7. strengthens gusset

3-1. radial seal body 3-2. axial seal body 3-3. sealing shirt rims

Specific embodiment

In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and specific implementation The utility model is described in further detail for mode.

Herein, the term such as " upper and lower, inside and outside " is established based on position relationship shown in the drawings, with reference to the accompanying drawings Difference, corresponding position relationship is also possible to change therewith, therefore, can not be understood as to the exhausted of protection domain To limiting；And, the relational terms of such as " first " and " second " or the like are used merely to have one with another identical The part of title makes a distinction, and not necessarily require or imply between these parts exist any this actual relation or Sequentially.

Fig. 1, Fig. 2 are refer to, Fig. 1 is a kind of pipeline patching device disclosed in the utility model embodiment when bolt is not screwed Scheme of installation；Fig. 2 shows for installation of a kind of pipeline patching device when bolt is screwed in place disclosed in the utility model embodiment It is intended to.

As illustrated, the pipeline patching device mainly by upper shell 1, the sealing gasket 3 located at upper shell 1, lower house 2 and sets Constituted in the grade of lower house sealing gasket 3 part of lower house 2, upper shell 1 and the semicircular in shape tubular structure of lower house 2, both is right Position is closed to be vertically connected with by bolt 5, can be to one complete circular cylinder body of synthesis, so that banding is on pipeline to be repaired.

The surrounding of upper shell 1 has the groove for installing rubber gasket, and left hand edge and right hand edge are provided with the method for being easy to bolt 5 to fasten Blue 1-1, flange 1-1 are provided with bolt hole, and the structure of lower house 2 is similar with upper shell 1, there is the groove for installing rubber gasket, Left hand edge and right hand edge are provided with the flange 2-1 for being easy to bolt 5 to fasten, and flange 2-1 is provided with bolt hole, upper shell 1 and lower house 2 Closed space is formed after pairing.

Sealing gasket 3 includes radial seal body 3-1 and axial seal body 3-2, and upper shell 1 is provided with for installing radial seal The radial seal groove 1-2 of the body 3-1 and axial seal grooves 1-3 for installing axial seal 3-2, therewith similarly, lower casing Body 2 is provided with the radial seal groove 2-2 for installing radial seal body 3-1 and the axial direction for installing axial seal 3-2 Seal groove 2-3, difference is, upper shell 1 is axially provided with the retaining wall 1-4, retaining wall 1- of projection on the outside of seal groove 1-3 4 height is mutually butted the gap width between rear its flange more than upper shell 1 and lower house 2, in upper shell 1 and lower house 2 In the state of being mutually butted, retaining wall 1-4 can be from the gap between outside closing thereon lower flange.

After upper shell 1 and lower house 2 are mutually butted, the flange for being not provided with the lower house 2 of retaining wall can be completely into Retaining wall 1-4 inner sides, retaining wall 1-4 can close the gap between upper shell 1 and the flange of lower house 2 from outside.So, axial seal Axial seal body in groove is just completely wrapped within housing, will not be exposed, and can effectively prevent sealing gasket because exposed to shell External accelerated ageing, while also effectively preventing axial seal body that axial seal grooves or explosion, resistance to compression are extruded because pressure is excessive Ability and reliability are obviously improved.

In the above-described embodiments, in order to avoid the bolt joint seat on flange 1-1, bolt connecting hole and bolt, retaining wall 1-4 Discontinuous retaining wall is designed to, that is to say, that disconnected at bolted position in retaining wall 1-4, to be passed through for bolt 5 to concede Space, it is to avoid interference with bolt 5.If the position of the bolt joint seat and bolt on flange is more close to outside, Retaining wall 1-4 on upper shell 1 may be designed in axially continuous retaining wall, or, the bracing work by bolt connection position is in Arc, to bypass bolt connection position, relative to the retaining wall of discontinuous, continuous retaining wall 1-4 does not exist the region for disconnecting, therefore With more preferable sealing effect.

Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 are refer to, Fig. 3 is the internal structure schematic diagram of upper shell shown in Fig. 1；Fig. 4 is The partial enlarged drawing at sealing gasket fixing tooth position in Fig. 3；Fig. 5 is the external structure schematic diagram of upper shell shown in Fig. 1；Fig. 6 is The longitudinal sectional view of Fig. 5；Fig. 7 is the transverse sectional view of Fig. 5.

As illustrated, upper shell 1 is semicircle, inwall has been provided with multiple tracks radial seal groove 1-2, and there is installation on axial both sides Flange 1-1, there is axial seal grooves 1-3 and a radial seal groove 1-2 insertions on both sides flanges 1-1, both sides axial seal grooves 1-3's is outer Side is provided with the retaining wall 1-4 of projection, and there is a vertical sealing gasket fixing tooth 1-5 of multiple tracks both sides in axial seal grooves 1-3, and both sides is close Packing fixing tooth 1-5 is interspersed, and has mounting hole 1-6 on flange 1-1, and there are relief hole 1-7, flange 1-1 in the circular arc top of upper shell 1 Cylindrical has multiple tracks to strengthen gusset 1-8 with upper shell 1.

Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 are refer to, Fig. 8 is the internal structure schematic diagram of lower house shown in Fig. 1；Fig. 9 It is the partial enlarged drawing at sealing gasket fixing tooth position in Fig. 8；Figure 10 is the external structure schematic diagram of lower house shown in Fig. 1；Figure 11 is the longitudinal sectional view of Figure 10；Figure 12 is the transverse sectional view of Figure 10.

As illustrated, the also semicircular in shape of lower house 2, is formed with multiple tracks radial seal groove 2-2 on inwall, axial both sides set There are flange 2-1, both sides flange 2-1 to be provided with axial seal grooves 2-3 and radial seal groove 2-2 insertions, two in axial seal grooves 2-3 There is the vertical sealing gasket fixing tooth 2-5 of multiple tracks side, and the sealing gasket fixing tooth 2-5 of both sides is interspersed, and has mounting hole on flange 2-1 2-6, mounting hole 2-6 end have multiple tracks to strengthen gusset 2-7 between having hexagonal counterbore 2-4, flange 2-1 and lower house 2 cylindrical.

Upper shell 1 and lower house 2 are equipped with multiple tracks radial seal groove, and multiple tracks radial seal body is provided with it；Radial seal Body includes the second radial seal for being located at the first radial seal body of end and being at least located at together between end radial seal body Body, wherein the first radial seal body is binary radial seal body, is made up of side by side twice radial seal body.

Due in addition to the radial seal body at two ends, being additionally provided with radial seal body between end radial seal body, therefore The support of patcher and broken pipe is strengthened, there is more preferable repairing effect for the damaged or more serious pipeline of deformation； Can effectively prevent patcher from being slid axially on broken pipe simultaneously, with better seal reliability.

Figure 13, Figure 14, Figure 15, Figure 16 are refer to, Figure 13 is the structural representation of sealing gasket；Figure 14 is sealing shown in Figure 13 The side view of pad；Figure 15 is the transverse sectional view of Figure 14；Figure 16 is the longitudinal sectional view of Figure 14.

As illustrated, sealing gasket 3 includes radial seal body 3-1 and axial seal body 3-2, divide on upper shell 1 and lower house 2 The radial seal groove for installing radial seal body 3-1 and the axial seal grooves for installing axial seal 3-2 are not provided with.

Upper-lower seal pad 3 is semicircle, there is multiple tracks radial seal body 3-1, axial seal body 3-2 and radial seal body 3-1 The company of passing through, is integral type structure, and sealing gasket 3 is provided with sealing shirt rim 3-3, is setting up sealed skirt with the inner peripheral of housing contact surface After the 3-3 of side, the contact area of the inner peripheral of sealing gasket 3 and housing can be increased, on the one hand play fixing, make sealing gasket 3 Stability more preferably, on the other hand can improve the sealing effectiveness of sealing gasket 3, pipeline patching device is had stronger anti-pressure ability.

Above-described embodiment is only preferred scheme of the present utility model, is specifically not limited thereto, on this basis can basis It is actually needed and makes with targetedly adjusting, so as to obtain different implementation methods.For example, retaining wall 1-4 can also be arranged on On lower house 2, or retaining wall 1-4, if setting retaining wall simultaneously, the He of upper shell 1 are set simultaneously on upper shell 1 and lower house 2 After the pairing of lower house 2, the retaining wall 1-4 of one of housing is located at outside, and the retaining wall 1-4 of another housing is located at inner side, etc.. Because mode in the cards is more, just no longer illustrate one by one here.

Pipeline patching device provided by the utility model is described in detail above.Specific case used herein Principle of the present utility model and implementation method are set forth, the explanation of above example is only intended to help and understands this practicality New core concept.It should be pointed out that for those skilled in the art, it is former the utility model is not departed from On the premise of reason, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls into this practicality newly In type scope of the claims.

Claims (10)

1. a kind of pipeline patching device, including upper shell, lower house and the sealing gasket of the upper shell and lower house is respectively arranged on, The both sides of the upper shell and lower house are provided with both to being connected in the flange and bolt connection piece of whole housing, the sealing gasket Including radial seal body and axial seal body, the upper shell and lower house are provided with the footpath for installing the radial seal body Axial seal grooves to seal groove and for installing the axial seal body, it is characterised in that the upper shell or lower house The retaining wall of projection is provided with the outside of axial seal grooves, in the state of the upper shell and lower house are mutually butted, the shield Wall closes the gap between its flange from outside.

2. pipeline patching device according to claim 1, it is characterised in that the retaining wall on the upper shell or lower house is axle To continuous retaining wall, bolt joint seat and bolt connection piece on the flange are located at the outside of the retaining wall.

3. pipeline patching device according to claim 1, it is characterised in that the retaining wall on the upper shell or lower house be The discontinuous retaining wall of the bolt joint seat and bolt connection piece on the flange is avoided on axial direction.

4. the pipeline patching device according to Claims 2 or 3, it is characterised in that the height of the retaining wall is more than the upper casing Body and lower house are mutually butted the gap width between rear its flange.

5. pipeline patching device according to claim 1, it is characterised in that the inner side week of the sealing gasket and housing contact surface While being provided with sealing shirt rim.

6. pipeline patching device according to claim 1, it is characterised in that the upper shell and lower house are equipped with multiple tracks footpath To seal groove, multiple tracks radial seal body is provided with it；The radial seal body include positioned at end the first radial seal body and The second radial seal body between end radial seal body is at least located at together.

7. pipeline patching device according to claim 6, it is characterised in that the first radial seal body is radially close binary Feng Ti.

8. pipeline patching device according to claim 1, it is characterised in that the both sides in the axial seal grooves are provided with multiple tracks Vertical sealing gasket fixing tooth.

9. pipeline patching device according to claim 8, it is characterised in that the sealing gasket of the axial seal grooves both sides is fixed Tooth is interspersed.

10. pipeline patching device according to claim 1, it is characterised in that the radial seal body and axial seal body are Integral structure, the radial seal groove connects with axial seal grooves.