Drainage pipeline protection device

Abstract

The utility model discloses a drainage pipeline protection device, and relates to the technical field of pipeline protection. The drainage pipe comprises a drainage pipe and flanges fixedly connected with the ends of the drainage pipe, connecting bolts are arranged between the two flanges so as to fix the two connecting bolts, and inserting concave holes are formed in the outer surfaces of the flanges. According to the utility model, the insertion concave holes are formed in the outer surfaces of the flanges, and the insertion positioning bulges on the inner walls of the arc-shaped protection plates are inserted into the insertion concave holes, so that the axial connection strength between the two groups of flanges is increased, and the flanges are effectively prevented from being loosened due to axial impact force under the action of liquid flow and gravity; the stability of the joint of the drainage pipeline is improved; the flange and the connecting bolt are wrapped by the arc-shaped protection plate and the lateral protection plate, so that the flange and the connecting bolt are protected in all directions, the phenomenon that the bolt and the flange are rusted or slipped due to long-time use and external environment influence is avoided, and the service life of the flange and the connecting bolt is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline protection technical field, concretely relates to a drainage pipeline protection device. BACKGROUND

[0002] Drainage pipeline plays a vital role in water conservancy projects, and the sealing and stability of its connection directly affect the normal operation of the entire drainage system. The existing drainage pipeline connection mode mainly uses flanges to cooperate with fixed components for splicing and fixing.

[0003] In actual use, due to the flow of liquid in the drainage pipeline and the gravity effect when the pipeline is vertically installed, the flange of the pipeline will be subjected to axial impact force, which is prone to loosening, thereby affecting the sealing of the drainage pipeline connection and causing water leakage.

[0004] In addition, due to the influence of the external environment, the bolts and flanges will inevitably rust or slip during long-term use, which further aggravates the loosening problem of the connection, reduces the service life and safety of the drainage pipeline, increases the maintenance cost, and may cause failure of the drainage system, affecting normal life and production activities.

[0005] Therefore, a drainage pipeline protection device is proposed. SUMMARY

[0006] The utility model discloses a drainage pipeline protection device.

[0007] The utility model discloses a drainage pipeline protection device.

[0008] A drainage pipeline protection device, comprising a drainage pipe and a flange fixedly connected to the end of the drainage pipe, a connecting bolt is arranged between the two flanges to fix the two connecting bolts, a plug-in recess is formed in the outer surface of the flange, an arc-shaped protection plate is sleeved on the surface of the drainage pipe, and a plug-in positioning protrusion is fixedly installed on the inner wall of the arc-shaped protection plate, the plug-in positioning protrusion on the inner wall of the arc-shaped protection plate and the plug-in recess on the surface of the two flanges are plug-in arranged, a lateral protection plate is sleeved on the surface of the drainage pipe, and the end faces of the lateral protection plate and the arc-shaped protection plate are fixedly installed by fixed bolts.

[0009] Further, the end face of the arc-shaped protection plate is provided with a connecting protrusion, a special-shaped insertion hole is formed in the surface of the connecting protrusion, the special-shaped insertion holes in the surfaces of the connecting protrusions of the two arc-shaped protection plates are correspondingly arranged when the two arc-shaped protection plates are abutted against each other, and a special-shaped connecting knob is plug-in arranged in the special-shaped insertion hole.

[0010] Further, the inner ring of the lateral protection plate is fixedly provided with a sealing rubber ring, and the sealing rubber ring is tightly attached to the surface of the drain pipe.

[0011] Further, the end surface of the arc-shaped protection plate is provided with a threaded hole, the surface of the lateral protection plate is provided with a through hole, the through hole and the threaded hole are correspondingly arranged, and a fixed bolt is threadedly inserted into the through hole and the threaded hole.

[0012] Further, when the two groups of arc-shaped protection plates are fixed, the end of the special-shaped connecting knob is arranged in a staggered mode with the special-shaped insertion hole.

[0013] Further, the lateral protection plate is made of rubber material, and the lateral protection plate is attached to the end surface of the arc-shaped protection plate, and the sealing rubber ring is sleeved with the surface of the drain pipe, so as to seal the gap between the lateral protection plate, the arc-shaped protection plate and the drain pipe.

[0014] The utility model discloses the following beneficial effects:

[0015] By setting the plug-in concave hole on the outer surface of the flange, and inserting the plug-in positioning protrusion on the inner wall of the arc-shaped protection plate into the plug-in concave hole, the axial connection strength between the two groups of flanges is increased, the loosening of the flange under the axial impact force caused by liquid flow and gravity is effectively prevented, and the stability of the drain pipe connection is improved.

[0016] By wrapping the flange and the connecting bolt with the arc-shaped protection plate and the lateral protection plate, the flange and the connecting bolt are protected in all directions, the rusting or slippage of the bolt and the flange caused by long-term use and external environment is avoided, and the service life is prolonged.

[0017] The sealing rubber ring on the inner ring of the lateral protection plate is tightly attached to the surface of the drain pipe, the gap between the inner ring of the lateral protection plate and the drain pipe is sealed, the lateral protection plate made of rubber material is attached to the end surface of the arc-shaped protection plate, the gap between the lateral protection plate and the arc-shaped protection plate and the drain pipe is further sealed, and external water is prevented from entering the inside. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 is the front sectional view of the utility model;

[0020] Figure 3 is the explosion drawing of the utility model;

[0021] Figure 4 is the schematic diagram of the arc-shaped protection plate of the utility model;

[0022] Figure 5is a schematic view of the special-shaped connecting knob of the utility model;

[0023] Sign: 1, drain pipe; 11, flange; 2, connecting bolt; 3, plug-in recess; 4, arc-shaped protective plate; 41, connecting convex plate; 42, special-shaped jack; 43, threaded hole; 5, plug-in positioning protrusion; 6, special-shaped connecting knob; 7, lateral protective plate; 71, sealing rubber ring; 72, through hole; 8, fixing bolt. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0026] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the embodiments of the utility model, it should be noted that the orientation or position relationship indicated by the terms "inner", "outer", "upper" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0028] As Figures 1 to 5As shown, a kind of drain pipe protection device, including drain pipe 1 and the flange 11 fixedly connected to the end of drain pipe 1, two groups of flange 11 are provided with connecting bolt 2, to fix two groups of connecting bolt 2, the outer surface of flange 11 is provided with the insertion recess 3, the surface of drain pipe 1 is provided with arc-shaped protection plate 4, and the inner wall of arc-shaped protection plate 4 is fixedly installed with insertion positioning protrusion 5, the insertion positioning protrusion 5 of arc-shaped protection plate 4 inner wall and the insertion recess 3 of the surface of two groups of flange 11 are all inserted and set, the surface of drain pipe 1 is provided with lateral protection plate 7, and the end surface of lateral protection plate 7 and arc-shaped protection plate 4 is fixedly installed by fixed bolt 8.More specifically, by connecting flange 11, the two groups of drain pipe 1 are connected, the connecting bolt 2 is combined and installed between the two groups of flange 11, the two groups of arc-shaped protection plate 4 are correspondingly provided on the surface of flange 11, the insertion positioning protrusion 5 in the inner wall of arc-shaped protection plate 4 is inserted into the insertion recess 3 on the surface of two groups of flange 11, by the insertion positioning protrusion 5 on the inner wall of two groups of arc-shaped protection plate 4, the insertion recess 3 on the surface of flange 11 is correspondingly inserted, so as to increase the axial connection strength between the two groups of flange 11, by fixed bolt 8, lateral protection plate 7 is fixed on the end surface of arc-shaped protection plate 4, by lateral protection plate 7 and arc-shaped protection plate 4, flange 11 and connecting bolt 2 are wrapped, and flange 11 and connecting bolt 2 are protected.

[0029] The end surface of arc-shaped protection plate 4 is provided with connecting lug 41, and the surface of connecting lug 41 is provided with special-shaped insertion hole 42, the special-shaped insertion hole 42 on the surface of connecting lug 41 is correspondingly arranged when the two groups of arc-shaped protection plate 4 are attached to each other, and the special-shaped insertion hole 42 is inserted with special-shaped connecting knob 6.More specifically, by inserting special-shaped connecting knob 6 into the special-shaped insertion hole 42 on the end surface of connecting lug 41 of two groups of arc-shaped protection plate 4, the two groups of arc-shaped protection plate 4 are spliced and installed, and the two groups of arc-shaped protection plate 4 are fixedly assembled.

[0030] The inner ring of lateral protection plate 7 is fixedly installed with sealing rubber ring 71, and the surface of sealing rubber ring 71 is tightly attached to drain pipe 1.More specifically, the sealing rubber ring 71 in the inner ring of lateral protection plate 7 is provided on the surface of drain pipe 1, so that the gap between the inner ring of lateral protection plate 7 and drain pipe 1 is sealed by sealing rubber ring 71.

[0031] The end face of the arc-shaped protection plate 4 is provided with a threaded hole 43, the surface of the lateral protection plate 7 is provided with a through hole 72, the through hole 72 and the threaded hole 43 are correspondingly arranged, and the fixing bolt 8 is threadedly inserted into the through hole 72 and the threaded hole 43. More specifically, the lateral protection plate 7 is fixed at the end face of the arc-shaped protection plate 4 by threadedly inserting the fixing bolt 8 into the through hole 72 on the surface of the lateral protection plate 7 and the threaded hole 43 on the end face of the arc-shaped protection plate 4, so as to protect the flange 11 and the connecting bolt 2.

[0032] When the two groups of arc-shaped protection plates 4 are fixed, the end of the special-shaped connecting knob 6 is arranged in a staggered manner with the special-shaped insertion hole 42. More specifically, the end of the special-shaped connecting knob 6 is arranged in a staggered manner with the special-shaped insertion hole 42 on the surface of the connecting protruding plate 41, so that the two groups of arc-shaped protection plates 4 can be spliced and fixed.

[0033] The lateral protection plate 7 is made of rubber material, and the lateral protection plate 7 is attached to the end face of the arc-shaped protection plate 4. The sealing rubber ring 71 is sleeved with the surface of the drain pipe 1 to seal the gap between the lateral protection plate 7 and the arc-shaped protection plate 4 and the drain pipe 1. More specifically, the lateral protection plate 7 made of rubber material is attached to the end face of the arc-shaped protection plate 4 to seal the gap between the lateral protection plate 7 and the arc-shaped protection plate 4.

[0034] In summary, the two groups of drain pipes 1 are connected through the flanges 11, the two groups of flanges 11 are combined and installed through the connecting bolts 2, the two groups of arc-shaped protection plates 4 are correspondingly sleeved with the surface of the flanges 11, the insertion positioning protrusions 5 on the inner walls of the two groups of arc-shaped protection plates 4 are inserted into the insertion recesses 3 on the surfaces of the two groups of flanges 11, the insertion positioning protrusions 5 on the upper and lower rows of the inner walls of the two groups of arc-shaped protection plates 4 are correspondingly inserted into the insertion recesses 3 on the surface of the flange 11, so as to increase the axial connection strength between the two groups of flanges 11, the lateral protection plate 7 is fixed at the end face of the arc-shaped protection plate 4 through the fixing bolt 8, and the flange 11 and the connecting bolt 2 are wrapped through the lateral protection plate 7 and the arc-shaped protection plate 4 to protect the flange 11 and the connecting bolt 2.

[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A drain pipe protection device, characterized in that, The utility model provides a kind of drain pipe and the flange (11) fixedly connected to the end of drain pipe (1), connecting bolt (2) is arranged between two groups of flange (11), to fix two groups of connecting bolt (2), the outer surface of the flange (11) is provided with insertion recess (3), the surface of the drain pipe (1) is equipped with arc-shaped protective plate (4), and arc-shaped protective plate (4) is fixedly installed with insertion positioning protrusion (5) in inner wall, insertion positioning protrusion (5) in inner wall of arc-shaped protective plate (4) is all inserted with insertion recess (3) of the surface of two groups of flange (11), the surface of the drain pipe (1) is equipped with lateral protective plate (7), and the end surface of lateral protective plate (7) and arc-shaped protective plate (4) is fixedly installed by fixed bolt (8).

2. A drain pipe protection device according to claim 1, characterised in that The end surface of the arc-shaped protective plate (4) is provided with a connecting lug (41), and the surface of the connecting lug (41) is provided with a special-shaped insertion hole (42). When the two arc-shaped protective plates (4) are attached to each other, the special-shaped insertion holes (42) on the surfaces of the connecting lugs (41) are correspondingly arranged, and a special-shaped connecting knob (6) is inserted into the special-shaped insertion holes (42).

3. A drain pipe protection device according to claim 1, wherein The inner ring of the lateral protective plate (7) is fixedly installed with a sealing rubber ring (71), and the surface of the sealing rubber ring (71) is tightly attached to the drain pipe (1).

4. A drain pipe guard according to claim 1, wherein, The end surface of the arc-shaped protective plate (4) is provided with a threaded hole (43), the surface of the lateral protective plate (7) is provided with a through hole (72), and the through hole (72) and the threaded hole (43) are correspondingly arranged, and the fixed bolt (8) is threadedly inserted into the through hole (72) and the threaded hole (43).

5. A drain pipe guard according to claim 2, wherein, When the two arc-shaped protective plates (4) are fixed, the end of the special-shaped connecting knob (6) is misaligned with the special-shaped insertion hole (42).

6. A drain pipe guard according to claim 3, wherein, The lateral protective plate (7) is made of rubber material, and the end surface of the lateral protective plate (7) is attached to the arc-shaped protective plate (4), the surface of the sealing rubber ring (71) is sleeved with the drain pipe (1), to seal the gap between the lateral protective plate (7), the arc-shaped protective plate (4) and the drain pipe (1).

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