Anti-falling device for corrugated pipe connector

Abstract

The utility model relates to the technical field of corrugated pipe connection, and aims to solve the problems that a connecting structure at a joint of an existing corrugated pipe is poor in stability and easy to fall off. The utility model provides an anti-falling device for a corrugated pipe connector. The anti-falling device comprises a first pipe section, a second adapting pipe section, a limiting assembly and a fastening assembly. The limiting assembly comprises a plurality of bent stop blocks and an annular groove plate. The multiple bending stop blocks are arranged at one end of the annular groove plate at intervals and extend to a groove cavity of the wave trough of the first pipe section. The other end of the annular groove plate abuts against the outer portion of the second adapting pipe section through the fastening assembly. According to the utility model, the first pipe section can be limited through the plurality of bending stop dogs, so that the first pipe section and the second adapting pipe section are not easy to fall off when tensile force is generated at the joint of the first pipe section and the second adapting pipe section.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows connection, in particular to an anti-dropping device for a bellows interface. Background Art

[0002] A bellows is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction. When working, it stretches along the length of the tube under the action of internal pressure, causing the movable end to produce a displacement that is related to the pressure. However, when the bellows is in use, or in special circumstances caused by natural disasters such as crushing and dislocation, its connection often deviates and is damaged, resulting in leakage.

[0003] In the prior art, bellows are connected by inserting the bellows into the bellows, and a sealing ring is further arranged between the bellows to enhance the sealing effect; for example, the double-walled bellows disclosed in the patent with the announcement number CN213900256U, specifically, the socket of the second bellows is inserted into the socket of the first bellows by external force;

[0004] However, when the socket connection is adopted, the connection is prone to misalignment when the bellows moves, especially when axial tension is generated. This not only causes the sealing ring inside the socket to be misaligned, but also easily causes the connection to fall off directly, resulting in poor stability.

[0005] Based on the above description, there is an urgent need for an anti-falling device for a corrugated pipe interface that has a strong connection stability and can effectively prevent the connection from falling off. Utility Model Content

[0006] The utility model aims to provide an anti-dropping device for a bellows interface, aiming to solve the technical problems that the connection structure at the existing bellows interface is poor in stability and easy to drop off.

[0007] The embodiments of the present invention are implemented by the following technical solutions:

[0008] A device for preventing a corrugated pipe interface from falling off comprises a first pipe section, a second receiving pipe section, a limiting assembly and a fastening assembly; the limiting assembly comprises a plurality of bending blocks and an annular groove plate; the plurality of bending blocks are arranged at intervals at one end of the annular groove plate and extend toward the groove cavity of the trough groove of the first pipe section; the other end of the annular groove plate is pressed against the outside of the second receiving pipe section through the fastening assembly.

[0009] Preferably, the bending stop block includes a horizontal block, an inclined block and an arc bar; one end of the horizontal block is connected to the annular groove plate; the other end of the horizontal block is connected to the inclined block at an acute angle; the arc bar is clamped between the horizontal block and the inclined block.

[0010] Preferably, the annular groove plate is provided with a plurality of continuous limiting grooves along the axial direction of the second receiving pipe section; the limiting grooves are for the wave crests on the outer side of the second receiving pipe section to be embedded.

[0011] Preferably, the fastening assembly comprises a first half-ring clamp block and a second half-ring clamp block; the first half-ring clamp block and the second half-ring clamp block are arranged around the outer circumference of the limiting assembly; the ends of the first half-ring clamp block are screwed to the ends of the second half-ring clamp block.

[0012] Preferably, the first end of the first half-ring clamp block is connected to the limiting assembly; the second end of the first half-ring clamp block extends toward the first pipe segment and is connected to the first pipe segment.

[0013] Preferably, a plurality of first limiting protrusions are provided at intervals on the first end of the first half-ring clamp; the first limiting protrusions are embedded in the groove cavity of the annular groove plate.

[0014] Preferably, a plurality of second limiting protrusions are provided at intervals on the second end of the first semi-ring clamping block; and the second limiting protrusions are embedded in the trough groove cavity of the first pipe section.

[0015] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0016] The utility model can limit the first pipe section by means of a plurality of bending blocks, thereby ensuring that when tension is generated at the connection between the first pipe section and the second receiving pipe section, the first pipe section and the second receiving pipe section are not easy to fall off; wherein, the plurality of bending blocks are fixed to the inside of the groove cavity of the trough groove by means of an annular groove plate, and the annular groove plate is further pressed and fixed to the outside of the second receiving pipe section by means of a fastening assembly, thereby fully ensuring the stability of the plurality of bending blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 for Figure 1 An enlarged schematic diagram of the local structure A;

[0020] Figure 3 It is a side view of the utility model;

[0021] Figure 4 for Figure 3 A cross-sectional view of

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the limiting component in the utility model.

[0023] Icon: 1-first pipe section, 2-second receiving pipe section, 3-limiting assembly, 31-bending stopper, 32-annular groove plate, 4-fastening assembly, 41-first semi-ring clamping block, 411-first limiting protrusion, 412-second limiting protrusion, 42-second semi-ring clamping block. DETAILED DESCRIPTION

[0024] Example 1

[0025] See also Figures 1 to 5 The utility model provides the following technical solutions: an anti-dropping device for a bellows interface, which is suitable for the connection of a bellows body.

[0026] Specifically, Figures 1 to 4 As shown, an anti-dropping device for a corrugated pipe interface includes a first pipe section 1, a second receiving pipe section 2, a limiting assembly 3 and a fastening assembly 4; the limiting assembly 3 includes a plurality of bending blocks 31 and an annular groove plate 32; the plurality of bending blocks 31 are spaced apart at one end of the annular groove plate 32 and extend toward the groove cavity of the trough groove of the first pipe section 1; the other end of the annular groove plate 32 is pressed against the outside of the second receiving pipe section 2 through the fastening assembly 4.

[0027] In this embodiment, the first pipe section 1 can be limited by a plurality of bending stops 31, thereby ensuring that when tension is generated at the connection between the first pipe section 1 and the second receiving pipe section 2, the first pipe section 1 and the second receiving pipe section 2 are not easy to fall off; wherein, the plurality of bending stops 31 are fixed to the inside of the groove cavity of the trough groove by an annular groove plate 32, and the annular groove plate 32 is further pressed and fixed to the outside of the second receiving pipe section 2 by a fastening assembly 4, thereby fully ensuring the stability of the plurality of bending stops 31.

[0028] Specifically, Figure 4 and Figure 5 As shown, the bending stopper 31 includes a horizontal block, an inclined block and an arc bar; one end of the horizontal block is connected to the annular groove plate 32; the other end of the horizontal block is connected to the inclined block at an acute angle; the arc bar is sandwiched between the horizontal block and the inclined block.

[0029] In this embodiment, the horizontal block can be made of elastic plastic material to facilitate disassembly and assembly; in addition, by providing an arc strip for connection at the angle between the horizontal block and the inclined block, the stability of the connection is enhanced, which can effectively prevent the horizontal block and the inclined block from breaking.

[0030] Specifically, Figure 1 and Figure 2As shown, the annular groove plate 32 is provided with a plurality of continuous limiting grooves along the axial direction of the second receiving pipe section 2; the limiting grooves are for the wave crests on the outer side of the second receiving pipe section 2 to be embedded.

[0031] In this embodiment, by embedding the wave crest on the outer side of the second receiving pipe section 2 into the limiting groove, when an axial tensile force occurs, it can play the role of an axial reaction force, thereby further strengthening the fixing effect of the limiting component 3.

[0032] Specifically, Figure 3 and Figure 4 As shown, the fastening assembly 4 includes a first half-ring clamp block 41 and a second half-ring clamp block 42; the first half-ring clamp block 41 and the second half-ring clamp block 42 are arranged around the outer periphery of the limiting assembly 3; the ends of the first half-ring clamp block 41 are both screwed to the ends of the second half-ring clamp block 42.

[0033] In this embodiment, two ends of the first half-ring clamp block 41 are respectively screwed to two ends of the second half-ring clamp block 42 by bolts, which is convenient for installation and disassembly.

[0034] Specifically, Figure 1 and Figure 2 As shown, the first end of the first half-ring clamp block 41 is connected to the stop assembly 3; the second end of the first half-ring clamp block 41 extends toward the first pipe segment 1 and is connected to the first pipe segment 1. A plurality of first stop projections 411 are provided at intervals at the first end of the first half-ring clamp block 41; the first stop projections 411 are embedded in the groove cavity of the annular groove plate 32. A plurality of second stop projections 412 are provided at intervals at the second end of the first half-ring clamp block 41; the second stop projections 412 are embedded in the groove cavity of the trough groove of the first pipe segment 1.

[0035] In this embodiment, the first limiting protrusion 411 is embedded in the groove cavity of the annular groove plate 32, and the second limiting protrusion 412 is embedded in the trough groove cavity of the first pipe section 1, which further plays an axial limiting role, enhances the stability of the connection, and prevents the first pipe section 1 and the second receiving pipe section 2 from falling off and separating.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-dropping device for a corrugated pipe joint, comprising a first pipe section (1) and a second receiving pipe section (2), characterized in that: It also includes a limit assembly (3) and a fastening assembly (4); the limit assembly (3) includes a plurality of bending stoppers (31) and an annular groove plate (32); the plurality of bending stoppers (31) are arranged at intervals at one end of the annular groove plate (32) and extend toward the groove cavity of the trough groove of the first pipe section (1); the other end of the annular groove plate (32) is pressed against the outside of the second receiving pipe section (2) through the fastening assembly (4).

2. The anti-dropping device for the bellows interface according to claim 1, characterized in that: The bending stopper (31) comprises a horizontal block, an inclined block and an arc strip; one end of the horizontal block is connected to the annular groove plate (32); the other end of the horizontal block is connected to the inclined block at an acute angle; and the arc strip is sandwiched between the horizontal block and the inclined block.

3. The anti-dropping device for the bellows interface according to claim 1, characterized in that: The annular groove plate (32) is provided with a plurality of continuous limiting grooves along the axial direction of the second receiving pipe section (2); the limiting grooves are used for the wave crests on the outer side of the second receiving pipe section (2) to be embedded.

4. The anti-dropping device for a corrugated pipe interface according to any one of claims 1 to 3, characterized in that: The fastening assembly (4) comprises a first half-ring clamp block (41) and a second half-ring clamp block (42); the first half-ring clamp block (41) and the second half-ring clamp block (42) are arranged around the outer periphery of the limiting assembly (3); and the ends of the first half-ring clamp block (41) are screwed to the ends of the second half-ring clamp block (42).

5. The anti-dropping device for the bellows interface according to claim 4, characterized in that: The first end of the first half-ring clamp (41) is connected to the limiting assembly (3); the second end of the first half-ring clamp (41) extends toward the first pipe section (1) and is connected to the first pipe section (1).

6. The anti-dropping device for the bellows interface according to claim 5, characterized in that: A plurality of first limiting protrusions (411) are provided at intervals on the first end of the first half-ring clamp (41); the first limiting protrusions (411) are embedded in the groove cavity of the annular groove plate (32).

7. The anti-dropping device for the bellows interface according to claim 6, characterized in that: A plurality of second limiting protrusions (412) are provided at intervals on the second end of the first half-ring clamp (41); the second limiting protrusions (412) are embedded in the trough groove cavity of the first pipe section (1).

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