Anti-falling type PVC corrugated pipe connecting assembly

Abstract

The utility model belongs to the technical field of corrugated pipe connection, and particularly relates to an anti-falling type PVC corrugated pipe connecting assembly which comprises a fixing ring and further comprises two socketed pipes which are fixedly arranged on the left side and the right side of the fixing ring respectively, the socketed pipes are connected with one ends of corrugated pipes in a sleeved mode respectively, and two arc-shaped clamping sleeves are arranged on the two sides of the fixing ring respectively. The arc-shaped clamping sleeves are symmetrically arranged on the two sides of the corrugated pipe, the outer wall of the corrugated pipe is clamped and fixed through the arc-shaped clamping sleeves, the annular air bag is arranged in a groove formed in the sleeving pipe, the annular air bag is aligned with the outwards-protruding part of the inner wall of one corrugated pipe, and the outer diameter size of the annular air bag is larger than the inner diameter size of a pipe opening of the corrugated pipe after the annular air bag is inflated and swelled; the corrugated pipe opening part is supported from the inside, the corrugated pipe opening is prevented from being deformed, the corrugated pipe is clamped and fixed from the outside, then the corrugated pipe is fixed from the inside, it is ensured that the corrugated pipe is firmly connected, and the corrugated pipe is prevented from being disengaged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bellows connection technical field, in particular, relate to a kind of anti-type PVC bellows connection assembly. BACKGROUND

[0002] Bellows is a kind of tubular elastic sensitive element connected along folding telescopic direction with foldable corrugated sheet, pipe wall is thin but sensitivity is high, typical feature is with the wave shape of peak and trough alternation, when single bellows length cannot meet use demand, two or more bellows need to be connected together for use;

[0003] At present, when the existing bellows pipe orifice connects, two bellows pipe orifices are usually connected by socket structure, due to the thin pipe wall of bellows, its pipe orifice is prone to deformation, gap is easily generated between socket structure and pipe orifice even loosening, to cause leakage at bellows connecting place.

[0004] To solve the above problems, an anti-type PVC bellows connection assembly is proposed in the present application. INVENTION CONTENTS

[0005] The utility model aims at providing an anti-type PVC bellows connection assembly, which solves the problems raised in the background.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is an anti-type PVC bellows connection assembly, which comprises a fixing ring, two sleeve pipes fixed on the left and right sides of the fixing ring, the sleeve pipes are sleeved with one end of the bellows, and two arc clamping sleeves are arranged on the two sides of the fixing ring, the arc clamping sleeves are symmetrically arranged on the two sides of the bellows, the arc clamping sleeves are used to clamp and fix the outer wall of the bellows, a ring-shaped air bag is arranged in the groove of the sleeve pipe, the ring-shaped air bag is aligned with the outward protruding part of the inner wall of one bellows, and the outer diameter size of the ring-shaped air bag after inflation is greater than the inner diameter size of the pipe orifice of the bellows.

[0008] Further, the fixing ring and the sleeve pipe are provided with an inflation pipe communicated with the ring-shaped air bag at one end, and the other end of the inflation pipe is communicated with the lower end of the inflation nozzle penetrating through the outer wall of the fixing ring.

[0009] Further, the central axis of the arc clamping sleeve coincides with the central axis of the ring-shaped air bag.

[0010] Further, the two sides of the fixing ring are fixed with fixing seats, one side of the fixing seat is fixed with a T-shaped guide rail and a sliding seat, and the sliding seat is fixedly connected with the connecting plate arranged on the outer wall of the arc clamping sleeve.

[0011] Further, the T-shaped guide rail is provided with a limiting block fixedly connected with the fixing base at both ends, a sliding groove is formed in the limiting block, a sliding block is slidably arranged in the sliding groove, a spring is arranged in the sliding groove, a smooth rod is fixedly arranged between the sliding block and the sliding seat, and the smooth rod penetrates the end of the limiting block.

[0012] Further, the connecting plate is provided with a through hole, and the arc-shaped clamping sleeve on the same side of the fixing ring is fixed through the cooperation of the connecting plate and the bolt.

[0013] Further, the outer wall of the inflation pipe is provided with a gas charging and discharging valve.

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

[0015] The utility model discloses a sleeve pipe is inserted in the bellows, and the sleeve pipe supports the pipe opening, prevents the pipe opening from deforming, and the bellows is pressed tightly from the outside of the bellows through the annular air bag, and the bellows and the sleeve pipe are prevented from separating.

[0016] The utility model discloses a sleeve pipe is inserted in the bellows, and the sleeve pipe supports the pipe opening, prevents the pipe opening from deforming, and the bellows is pressed tightly from the outside of the bellows through the annular air bag, and the bellows and the sleeve pipe are prevented from separating.

[0017] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0019] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0020] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0021] Figure 3 It is the fixed ring and sleeve pipe structure schematic diagram of the utility model;

[0022] Figure 4 It is the partial structure sectional view schematic diagram of the utility model;

[0023] Figure 5 It is the arc-shaped clamping sleeve structure schematic diagram of the utility model;

[0024] The components represented by the reference numerals in the drawings are listed as follows:

[0025] In the figure: 1, fixed ring; 2, sleeve pipe; 3, annular air bag; 4, inflation pipe; 401, inflation and deflation valve; 5, inflation nozzle; 6, arc-shaped clamping sleeve; 7, connecting plate; 8, sliding seat; 9, T-shaped guide rail; 10, fixed seat; 11, limiting block; 1101, sliding groove; 12, sliding block; 13, smooth rod; 14, corrugated pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0028] Please refer to Figure 1 - Figure 5 As shown in the figure, the present application is a kind of anti-off type PVC corrugated pipe connecting assembly, including fixed ring 1, still including two sleeve pipes 2, respectively fixedly arranged on the left and right sides of fixed ring 1, the sleeve pipe 2 is respectively sleeved with one end of the corrugated pipe 14, and two arc-shaped clamping sleeves 6 are arranged on the two sides of the fixed ring 1, and the arc-shaped clamping sleeves 6 are symmetrically arranged on the two sides of the corrugated pipe 14, the outer wall of the corrugated pipe 14 is clamped and fixed through the arc-shaped clamping sleeve 6, the annular air bag 3 is arranged in the groove of the sleeve pipe 2, the annular air bag 3 is aligned with the outwardly protruding part of the inner wall of the corrugated pipe 14, and the outer diameter size of the annular air bag 3 after inflation is greater than the inner diameter size of the pipe opening of the corrugated pipe 14.

[0029] The embodiment provides a kind of anti-off type PVC corrugated pipe connecting assembly, sleeve pipe 2 is respectively sleeved with the end of corrugated pipe 14, and arc-shaped clamping sleeve 6 is tightly closed to corrugated pipe 14, so that the pipe opening of corrugated pipe 14 and sleeve pipe 2 are closely attached together, sleeve pipe 2 supports the pipe opening of corrugated pipe 14, prevents the axial deformation of pipe opening, annular air bag 3 is inflated, its outer diameter is greater than the inner diameter of the pipe opening of corrugated pipe 14, to form internal clamping, combined with the bidirectional fixation of external arc-shaped clamping sleeve 6, effectively prevent off pipe, and the annular air bag 3 after inflation is in interference fit with one protruding part of the inner wall of the corrugated pipe 14, realizes sealing.

[0030] Wherein, the fixed ring 1 and sleeve pipe 2 are provided with a gas inflation pipe 4 communicated with the annular air bag 3 at one end, the other end of the gas inflation pipe 4 is communicated with the lower end of the gas inflation nozzle 5 penetrating through the outer wall of the fixed ring 1, after the sleeve pipe 2 is sleeved with the corrugated pipe 14, the annular air bag 3 is inflated through the gas inflation nozzle 5,

[0031] Wherein, the central axis of the arc-shaped clamping sleeve 6 coincides with the central axis of the annular air bag 3, the distance from the central axis of the arc-shaped clamping sleeve 6 to the fixed ring 1 is the same as the distance from the central axis of the annular air bag 3 to the fixed ring 1, the shape of the arc-shaped clamping sleeve 6 is matched with the outward protruding part of the corrugated pipe 14, when the corrugated pipe 14 is inserted with the sleeve pipe 2, the arc-shaped clamping sleeve 6 is sleeved on one part of the outward protruding part of the corrugated pipe 14, the annular air bag 3 is aligned with the protruding part, so that the annular air bag 3 is quickly positioned.

[0032] Wherein, the fixed ring 1 is provided with a fixed seat 10 at both sides, and the fixed seat 10 is provided with a T-shaped guide rail 9 and a sliding seat 8 at one side, the sliding seat 8 is fixedly connected with the connecting plate 7 arranged on the outer wall of the arc-shaped clamping sleeve 6, since the corrugated pipe 14 has the wave-shaped feature, the position of the arc-shaped clamping sleeve 6 is adjusted by moving the sliding seat 8 along the T-shaped guide rail 9, so that the arc-shaped clamping sleeve 6 clamps the corrugated pipe 14.

[0033] Wherein, the T-shaped guide rail 9 is provided with a limiting block 11 fixedly connected with the fixed seat 10 at both ends, the limiting block 11 is provided with a sliding groove 1101, the sliding block 12 is slidably arranged in the sliding groove 1101, the sliding groove 1101 is provided with a spring, the sliding seat 8 and the sliding block 12 are fixedly provided with a smooth rod 13, and the end of the smooth rod 13 penetrates the end of the limiting block 11, after the arc-shaped clamping sleeve 6 is sleeved on the corrugated pipe 14, the spring applies the elastic force to the sliding block 12, the connecting plate 7 is driven to move through the smooth rod 13 and the sliding seat 8, so that the arc-shaped clamping sleeve 6 clamps the corrugated pipe 14.

[0034] Wherein, the connecting plate 7 is provided with a through hole, and the arc-shaped clamping sleeve 6 located at the same side of the fixed ring 1 is fixed through the cooperation of the connecting plate 7 and the bolt.

[0035] Wherein, the outer wall of the gas inflation pipe 4 is provided with a gas inflation and deflation valve 401, and the gas inflation and deflation valve 401 is used for controlling the inflation and deflation of the annular air bag 3.

[0036] It can be understood that the utility model supports the pipe opening part of the corrugated pipe 14 from the inside, prevents the pipe opening of the corrugated pipe 14 from deforming, clamps and fixes the corrugated pipe 14 from the outside, and then fixes the corrugated pipe 14 from the inside, so that the connection of the corrugated pipe 14 is firm, and the corrugated pipe 14 is prevented from separating.

[0037] One specific application of the operation flow of the embodiment is: first, control the two arc-shaped clamping sleeves 6 to move away, put the bellows 14 on the sleeve joint 2, align the arc-shaped clamping sleeves 6 with an outward protruding part of the bellows 14 from the outside of the bellows 14, at this time the annular air bag 3 is aligned with the protruding part inside the bellows 14, then release the control of the arc-shaped clamping sleeves 6, the spring drives the arc-shaped clamping sleeves 6 to move close to each other, and the bellows 14 is tightly pressed on the sleeve joint 2, then the arc-shaped clamping sleeves 6 are fixed together through the cooperation of the bolts and the connecting plates 7;

[0038] Open the inflation and deflation valve 401, inflate the annular air bag 3 through the inflation nozzle 5 to make the annular air bag 3 swell, the outer diameter of the annular air bag 3 is greater than the inner diameter of the bellows 14, which prevents the sleeve joint 2 from being separated from the bellows 14, and the annular air bag 3 seals the bellows 14 to prevent leakage.

[0039] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A type of anti-detachment PVC corrugated pipe connection assembly, comprising a retaining ring (1), characterized in that, Also includes: Two sleeves (2) are fixed on the left and right sides of the fixing ring (1), respectively. The sleeves (2) are respectively connected to one end of the corrugated pipe (14), and two arc-shaped clamping sleeves (6) are provided on each side of the fixing ring (1). The arc-shaped clamping sleeves (6) are symmetrically arranged on both sides of the corrugated pipe (14) to clamp and fix the outer wall of the corrugated pipe (14). An annular airbag (3) is set in a groove in the sleeve (2). The annular airbag (3) is aligned with the outward protrusion of the inner wall of a corrugated pipe (14). After the annular airbag (3) is inflated, its outer diameter is larger than the inner diameter of the corrugated pipe (14).

2. The anti-detachment PVC corrugated pipe connection assembly according to claim 1, characterized in that: The fixing ring (1) and the sleeve pipe (2) are provided with an inflation tube (4) with one end connected to the annular airbag (3), and the other end of the inflation tube (4) is connected to the lower end of the inflation nozzle (5) that penetrates the outer wall of the fixing ring (1).

3. The anti-detachment PVC corrugated pipe connection assembly according to claim 1, characterized in that: The central axis of the arc-shaped clamping sleeve (6) coincides with the central axis of the annular airbag (3).

4. The anti-detachment PVC corrugated pipe connection assembly according to claim 1, characterized in that: The fixed ring (1) has fixed seats (10) on both sides, and a T-shaped guide rail (9) is fixed on one side of the fixed seat (10) and slidably connected to the sliding seat (8). The sliding seat (8) is fixedly connected to the connecting plate (7) on the outer wall of the arc-shaped clamping sleeve (6).

5. The anti-detachment PVC corrugated pipe connection assembly according to claim 4, characterized in that: The T-shaped guide rail (9) is provided with limiting blocks (11) fixedly connected to the fixed seat (10) at both ends, and a slider (12) is slidably provided in the sliding groove (1101) of the limiting block (11). A spring is provided in the sliding groove (1101). A smooth rod (13) is fixed between the sliding seat (8) and the slider (12), and the smooth rod (13) passes through the end of the limiting block (11).

6. The anti-detachment PVC corrugated pipe connection assembly according to claim 4, characterized in that: The connecting plate (7) has a through hole, and the arc-shaped clamping sleeve (6) located on the same side as the fixing ring (1) is fixed by the connection plate (7) and the bolt.

7. The anti-detachment PVC corrugated pipe connection assembly according to claim 2, characterized in that: The outer wall of the inflation tube (4) is provided with an inflation / deflation valve (401).

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