Anti-slip pipeline repairing device

Abstract

The anti-slip pipeline repairing device comprises an upper shell, a lower shell, a rubber sealing gasket and a plug, the upper shell and the lower shell are provided with a straight edge section and an arc edge section respectively, and the rubber sealing gasket is provided with a corresponding straight edge section and an arc edge section; the straight edge sections of the upper shell and the lower shell are provided with bolt holes used for connecting and locking the upper shell and the lower shell, the upper shell is provided with a pressure relief hole and a plug, the arc edge sections of the upper shell and the lower shell are respectively provided with a plurality of arc edge grooves, and the arc edge section of the rubber sealing gasket is provided with arc edge bodies with the corresponding number to form a plurality of seals. The blocking walls on the two sides of the arc-edge grooves are in a knife edge shape, the knife edge of the blocking wall of the arc-edge groove on the left side faces the right side, and the knife edge of the blocking wall of the arc-edge groove on the right side faces the left side. According to the repairing device, the friction force in contact with the pipeline is greatly enhanced, and sliding towards the two sides caused by internal pressure of water and a water hammer and vibration generated by expansion caused by heat and contraction caused by cold of the pipeline is resisted respectively, so that the reliability and stability of sealing are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of rapid repair and rapid equipment of urban fluid transport pipelines, in particular to an anti-slip pipeline repairer. Background Art

[0002] In the field of rapid repair of urban fluid transportation pipelines, especially in the field of rapid repair of urban water supply pipelines, pipeline repairers have played a huge role and are constantly being upgraded.

[0003] When a water supply pipe leaks, it needs to be repaired quickly, and generally it is done under pressure. For repairers that are mainly based on the Half-type structure, on-site installation is relatively difficult. Therefore, generally, Half-type repairers are provided with pressure relief holes on the upper shell and are installed with plugs. The on-site operation steps are: install first, then seal. However, in reality, sealing under pressure is also relatively difficult and dangerous, and the existing plugs all need to be wrapped with raw tape, that is, polytetrafluoroethylene sealing material, and as a result, it is difficult to ensure the effectiveness of the seal.

[0004] Currently, the continuously upgraded pipe repairers are increasing their anti-slip function, but either they increase the components, which increases the cost and installation difficulty, or the process is complicated and difficult to manufacture. Summary of the invention

[0005] The purpose of the present invention is to provide an anti-slip pipeline repairer to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the present invention provides an anti-slip pipeline repairer, comprising an upper shell, a lower shell, a rubber sealing pad and a plug, the upper shell and the lower shell are respectively provided with a straight edge section and an arc edge section, the rubber sealing pad is provided with corresponding straight edge sections and arc edge sections, and is respectively installed in the straight edge grooves and arc edge grooves accommodated in the upper shell and the lower shell; the straight edge sections of the upper shell and the lower shell are provided with bolt holes for connecting and locking the upper and lower shells, the upper shell is provided with a pressure relief hole, the plug is installed in the pressure relief hole, the arc edge sections of the upper shell and the lower shell are respectively provided with a plurality of arc edge grooves, the arc edge sections of the rubber sealing pad are provided with a corresponding number of arc edge bodies to form multiple seals; the retaining walls on both sides of the arc edge groove are in a knife-edge shape, the retaining wall blade of the arc edge groove on the left side faces the right side, and the retaining wall blade of the arc edge groove on the right side faces the left side.

[0007] Optionally, in cross section, the width of the lower half of the arc-edge body is greater than that of the upper half, and a triangular groove is provided on the arc-shaped inner surface of the lower half, with the notch of the triangular groove facing the inner side of the rubber sealing pad.

[0008] Optionally, the arc-edge body is L-shaped in cross section, and a step surface is formed between the upper and lower halves.

[0009] Optionally, the step surface is an inclined surface that fits the blade edge of the retaining wall.

[0010] Optionally, the pressure relief hole is a threaded hole; the plug includes a flange cover and a hollow screw-in portion, the screw-in portion includes a window column and a threaded section, the window column is located between the flange cover and the threaded section, and a window hole is formed between adjacent window columns for connecting the inner cavity of the screw-in portion with the outside world during installation.

[0011] Optionally, the window columns are evenly distributed along the circumferential direction.

[0012] Optionally, an annular groove for accommodating an O-type rubber sealing ring is provided between the window column and the flange cover.

[0013] Optionally, a chamfer for accommodating an O-type rubber sealing ring is provided at the top of the pressure relief hole.

[0014] Optionally, the straight edge section of the rubber sealing pad is provided with a burr close to the inner side, and the burr and the main body of the straight edge section form a burr groove to be embedded in the inner side walls of the straight edge grooves of the upper shell and the lower shell.

[0015] Optionally, the straight-side grooves of the upper shell and the lower shell are trapezoidal in cross section, and the shape of the straight-side segment of the rubber sealing pad in cross section is consistent therewith.

[0016] The anti-slip pipeline repairer provided by the present invention is provided with multiple arc-edge grooves and arc-edge bodies, forming multiple seals, which can significantly improve the sealing performance. Moreover, the retaining walls on both sides of the arc-edge groove are in the shape of knife edges, with the retaining wall knife edge of the left arc-edge groove facing the right side and the retaining wall knife edge of the right arc-edge groove facing the left side. In this way, when the upper and lower shells are locked, the multiple retaining wall knife edges on the left and right sides can be embedded in the outer wall of the pipeline respectively, greatly enhancing the frictional force of contact with the pipeline, respectively resisting the slippage to both sides caused by the internal pressure of water and the water hammer and vibration of the pipeline due to thermal expansion and contraction, thereby ensuring the reliability and stability of the seal. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of an anti-slip pipeline repairer provided by an embodiment of the present invention when installed on a pipeline;

[0018] Figure 2 for Figure 1 The main view;

[0019] Figure 3 for Figure 2 Side view of

[0020] Figure 4 for Figure 3 AA view;

[0021] Figure 5 for Figure 4 A partial enlarged view of

[0022] Figure 6 for Figure 1 An axonometric view of the upper housing shown in;

[0023] Figure 7 for Figure 1 An axonometric view of the upper housing shown in another perspective;

[0024] Figure 8 for Figure 1 An axonometric view of the lower housing shown in;

[0025] Fig. 9 for Figure 1 An axonometric view of the lower housing shown in another perspective;

[0026] Fig.10 for Figure 4 Axonometric view of the rubber seal shown in;

[0027] Fig.11 for Fig.10 A top view of the rubber gasket shown;

[0028] Fig.12 for Fig.11 BB view of the rubber seal shown;

[0029] Fig.13 for Figure 1 The structural schematic diagram of the plug is shown in FIG.

[0030] In the figure:

[0031] 1. Pipe; 2. Upper shell; 3. Plug; 4. O-type rubber sealing ring; 5. Rubber sealing pad; 6. Lower shell; 201. Upper shell arc edge section; 202. Upper shell straight edge section; 203. Pressure relief hole; 601. Lower shell arc edge section; 602. Lower shell straight edge section; 603. Bolt anti-rotation structure; 202a. Upper shell arc edge groove; 202b. Upper shell retaining wall edge; 202c. V-shaped chamfer; 602a. Lower shell arc edge groove; 602b. Lower shell retaining wall edge; 301. Square structure; 302. Flange cover; 303. Annular groove; 304. Window column; 305. Threaded section; 501. Rubber sealing pad arc edge section; 501a. Arc edge body; 501b. Triangular groove; 502. Rubber sealing pad straight edge section; 502a. Flash groove; 502b. Flash. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] In this article, the terms "upper, lower, inside, outside" and the like are established based on the positional relationships shown in the drawings. The corresponding positional relationships may also change depending on the drawings, and therefore cannot be understood as absolute limitations on the scope of protection; moreover, relational terms such as "first" and "second" and the like are merely used to distinguish one component from another with the same name, and do not necessarily require or imply any actual relationship or order between these components.

[0034] Please refer to Figures 1 to 9 , Figure 1 A schematic diagram of the structure of an anti-slip pipeline repairer provided by an embodiment of the present invention when installed on a pipeline; Figure 2 for Figure 1 The main view; Figure 3 for Figure 2 Side view of

[0035] Figure 4 for Figure 3 AA view; Figure 5 for Figure 4 A partial enlarged view of Figure 6 for Figure 1 An axonometric view of the upper housing shown in; Figure 7 for Figure 1 An axonometric view of the upper housing shown in another perspective; Figure 8 for Figure 1 An axonometric view of the lower housing shown in; Fig. 9 for Figure 1 The lower housing shown in FIG. 1 is an axonometric view from another perspective.

[0036] As shown in the figure, in a specific embodiment, the anti-slip pipeline repairer provided by the present invention is mainly composed of an upper shell 2, a lower shell 6, a rubber sealing pad 5 and a plug 3.

[0037] The upper shell 2 is provided with an upper shell straight edge section 202 and an upper shell arc edge section 201, and the lower shell 6 is provided with a lower shell straight edge section 602 and a lower shell arc edge section 601. The upper shell straight edge section 202 and the lower shell straight edge section 602 are provided with bolt holes corresponding to each other, and a bolt anti-rotation structure 603 is provided around each bolt hole. The upper shell 2 and the lower shell 6 are connected and locked by a number of bolts (not shown in the figure). The upper shell 2 is provided with a pressure relief hole 203 in the middle position of its top, and the plug 3 is installed in the pressure relief hole 203.

[0038] The rubber sealing pad 5 is provided with corresponding straight edge segments 502 and arc edge segments 501, which are respectively installed and accommodated in the straight edge grooves and arc edge grooves of the upper shell 2 and the lower shell 6. The straight edge grooves of the upper shell 2 and the lower shell 6 are trapezoidal in cross section and are used to install and accommodate the straight edge segments 502 of the rubber sealing pad 5. The shape of the straight edge segments of the rubber sealing pad 5 in cross section is consistent therewith.

[0039] The arc edge sections of the upper shell 2 are respectively provided with multiple upper shell arc edge grooves 202a, the arc edge sections of the lower shell 6 are respectively provided with multiple lower shell arc edge grooves 602a, and the arc edge sections 501 of the rubber sealing pad 5 are provided with a corresponding number of arc edge bodies 501a to form multiple seals.

[0040] In this embodiment, the arc edge sections of the upper shell 2 and the lower shell 6 are respectively provided with three arc edge grooves, and correspondingly, the arc edge section 501 of the rubber sealing pad 5 also has three arc edge bodies 501a, forming three seals.

[0041] Of course, the number of arc-edge grooves of the upper and lower shells can be selected according to the sealing and anti-slip requirements of the repairer, but it should not be too many. Correspondingly, the rubber sealing pad 5 selects the same number of arc-edge bodies 501a.

[0042] The retaining walls on both sides of the upper shell arc edge groove 202a and the lower shell arc edge groove 602a are in the shape of knife edges, with the upper shell retaining wall knife edge 202b and the lower shell retaining wall knife edge 602b of the left arc edge groove facing the right side, and the upper shell retaining wall knife edge 202b and the lower shell retaining wall knife edge 602b of the right arc edge groove facing the left side.

[0043] When the upper and lower shells are locked, several retaining wall edges on the left and right sides are respectively embedded in the outer wall of the pipe 1, which greatly enhances the friction in contact with the pipe 1, and resists the sliding to both sides caused by the internal pressure of the water, the water hammer caused by thermal expansion and contraction of the pipe 1 (water hammer is a phenomenon in which the pressure of the liquid rises and falls rapidly and alternately when the flow velocity in the pressure pipe changes sharply due to some external reasons) and vibration.

[0044] Please continue to refer to Fig.10 , Fig.11 , Fig.12 , Fig.10 for Figure 4 Axonometric view of the rubber seal shown in; Fig.11 for Fig.10 A top view of the rubber gasket shown; Fig.12 for Fig.11 BB view of the rubber seal shown.

[0045] As shown in the figure, the arc edge segments 501 on the left and right sides of the rubber sealing pad 5 have a narrower upper part and a wider lower part, similar to an L-shape. The bottom surface of the wider part is formed with a triangular groove 501b, and the groove is facing the inner side of the rubber sealing pad 5 as a whole, that is, the direction of the triangular groove of the rubber sealing pad 5 is consistent with the direction of the arc edge groove retaining wall edge of the upper and lower shells, which can enhance the sealing and anti-slip properties.

[0046] The step surface on the upper side of the wider part is an inclined surface, which fits the retaining wall edge of the arc-shaped arc-shaped groove of the upper and lower shells, and plays a limiting role in the compression of the arc-shaped edge section 501 of the rubber sealing gasket 5.

[0047] The straight edge section 502 of the rubber sealing pad is provided with a flash edge 502b close to the inside, and the flash edge 502b and the main body of the straight edge section 502 form a flash edge groove 502a for embedding the inner side walls of the straight edge grooves of the upper shell 2 and the lower shell 6 to play a fixing and sealing role.

[0048] Please refer to Fig.13 , Fig.13 for Figure 1 The structural schematic diagram of the plug is shown in FIG.

[0049] As shown in the figure, the pressure relief hole 203 of the upper shell 2 is a threaded hole, which is processed with threads and is used to connect with the plug 3. The top of the pressure relief hole 203 is set as a chamfer, that is, a V-shaped chamfer 202c, which is used to accommodate the O-type rubber sealing ring 4 and can play a centering role when installing the plug 3.

[0050] Since the sealing of the tapered pipe thread is replaced by the sealing of the O-type rubber sealing ring 4, the sealing effect is more efficient and reliable.

[0051] The plug 3 comprises a square structure 301 , a flange cover 302 , an annular groove 303 , a window column 304 and a threaded section 305 from top to bottom. The portion below the flange cover 302 is a hollow structure, and the annular groove 303 is used to accommodate an O-type rubber sealing ring 4 .

[0052] The window posts 304 are located between the flange cover 302 and the threaded section 305 and are evenly distributed along the circumferential direction. Window holes are formed between adjacent window posts 304 for connecting the inner cavity of the screw-in portion with the outside during installation.

[0053] The plug 3 is provided with a flange cover structure, and a window structure is provided between the flange cover 302 and the threaded section 305, so that the inner cavity thereof communicates with the outside. When the plug 3 is screwed into the pressure relief hole 203 through the threaded section 305, the outside of the plug 3 communicates with the hollow inner cavity in the middle and lower part of the plug 3, and the water in the cavity of the repairer is discharged through the window hole to relieve the pressure, so as to facilitate the overall installation of the repairer.

[0054] The number of window columns 304 in the plug structure can be adjusted as needed. In this embodiment, there are three window columns 304, which are evenly arranged along the peripheral direction. In this way, when the pressurized water in the repairer cavity is discharged through the plug 3, the water pressure impact force on the plug 3 remains basically stable, which facilitates the centering installation of the plug 3.

[0055] The above embodiments are only preferred solutions of the present invention and are not limited thereto. On this basis, targeted adjustments can be made according to actual needs to obtain different implementation methods. For example, the plug 3 can be designed into other suitable shapes, etc. Since there are many possible implementation methods, they will not be described one by one here.

[0056] The anti-slip repairer adopts the seal 4 of the O-type rubber seal ring, and the sealing effect is more efficient and reliable. The window-type structure in the middle of the plug 3 allows its inner cavity to communicate with the outside world, and can drain and relieve pressure, so as to facilitate the overall installation of the repairer.

[0057] In addition, since the arc edge grooves of the arc edge sections of the upper and lower shells of the anti-slip repairer are provided with retaining wall edges, the anti-slip function is achieved, and compared with the traditional anti-slip structure, the process is simple.

[0058] The above is a detailed introduction to the anti-slip pipe repairer provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, the present invention can also be improved and modified in a number of ways, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. An anti-slip pipeline repairer, comprising an upper shell, a lower shell, a rubber sealing pad and a plug, wherein the upper shell and the lower shell are respectively provided with a straight edge section and an arc edge section, the rubber sealing pad is provided with corresponding straight edge sections and arc edge sections, and is respectively installed in the straight edge groove and the arc edge groove of the upper shell and the lower shell; the straight edge sections of the upper shell and the lower shell are provided with bolt holes for connecting and locking the upper and lower shells, the upper shell is provided with a pressure relief hole, the plug is installed in the pressure relief hole, and is characterized in that: The arc edge sections of the upper shell and the lower shell are respectively provided with a plurality of arc edge grooves, and the arc edge section of the rubber sealing pad is provided with a corresponding number of arc edge bodies to form multiple seals; the retaining walls on both sides of the arc edge groove are in the shape of a knife edge, the retaining wall edge of the arc edge groove on the left side faces the right side, and the retaining wall edge of the arc edge groove on the right side faces the left side.

2. The anti-slip pipeline repairer according to claim 1, characterized in that: In cross section, the width of the lower half of the arc-edge body is greater than that of the upper half, and a triangular groove is provided on the arc-shaped inner surface of the lower half, with the notch of the triangular groove facing the inner side of the rubber sealing pad.

3. The anti-slip pipeline repairer according to claim 2, characterized in that: The arc-edge body is L-shaped in cross section, and a step surface is formed between the upper half and the lower half.

4. The anti-slip pipeline repairer according to claim 3, characterized in that: The step surface is an inclined surface that fits the blade edge of the retaining wall.

5. The anti-slip pipeline repairer according to claim 1, characterized in that: The pressure relief hole is a threaded hole; the plug includes a flange cover and a hollow screw-in portion, the screw-in portion includes a window column and a threaded section, the window column is located between the flange cover and the threaded section, and a window hole is formed between adjacent window columns for connecting the inner cavity of the screw-in portion with the outside world during installation.

6. The anti-slip pipeline repairer according to claim 5, characterized in that: The window columns are evenly distributed along the circumferential direction.

7. The anti-slip pipeline repairer according to claim 5, characterized in that: An annular groove for accommodating an O-type rubber sealing ring is provided between the window column and the flange cover.

8. The anti-slip pipeline repairer according to claim 7, characterized in that: The top of the pressure relief hole is provided with a chamfer for accommodating an O-type rubber sealing ring.

9. The anti-slip pipeline repair device according to any one of claims 1 to 8, characterized in that: The straight edge section of the rubber sealing pad is provided with a flash edge close to the inner side, and the flash edge and the main body of the straight edge section form a flash edge groove to be embedded in the inner side walls of the straight edge grooves of the upper shell and the lower shell.

10. The anti-slip pipeline repairer according to claim 9, characterized in that: The straight-side grooves of the upper shell and the lower shell are trapezoidal in cross section, and the shape of the straight-side section of the rubber sealing pad in cross section is consistent with the trapezoidal shape.

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