Quick connecting structure for corrugated pipe connection

The quick-connect structure between the clamp assembly and the flange solves the problem of inconvenient bellows connection and enables efficient installation and disassembly.

CN223855115UActive Publication Date: 2026-01-30JIAXING HANGZHUO VACUUM HOSE CO LTD
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Patent Information

Application Number
CN202520766376.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-01-30
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

The existing corrugated pipe connection method, which involves installing and disassembling using bolts, is inconvenient and results in low connection efficiency.

Method used

The quick-connect structure adopts a combination of clamp assembly and flange, including symmetrically distributed bellows body and flange. The clamp assembly is split and hinged, and quick connection is achieved by fasteners.

Benefits of technology

It improves the ease of installation and disassembly of corrugated pipe connections, greatly enhancing connection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick connection structure for corrugated pipe connection, which relates to the technical field of corrugated pipes and comprises two symmetrically distributed corrugated pipe bodies, flange plates are fixedly connected to the ends, close to each other, of the two corrugated pipe bodies, and clamp components are arranged on the two flange plates. The outer end walls of the two flange plates are at least partially clamped in the clamp assemblies, the clamp assemblies are arranged in a split mode, the bottom ends of the clamp assemblies are connected in a hinged mode, the top ends of the clamp assemblies are free ends, and fasteners are further hinged to the free ends of the clamp assemblies. Compared with the traditional connection between two corrugated pipe bodies, the corrugated pipe has the advantages that the use of more fastening bolts is avoided, and the convenience and efficiency of mounting and dismounting are greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bellows technical field especially relates to a quick connecting structure for bellows connection. BACKGROUND

[0002] Bellows refer to the foldable corrugated sheet connected into tubular elastic sensitive element along the folding telescopic direction, and the bellows can be used for conveying liquid or gas.

[0003] The connection between the existing bellows is usually provided with a plurality of fastening bolts on the flange plate, the flange plate is fastened through the fastening bolts, so that the connection between the bellows is realized, and the existing scheme has the disadvantages that the installation and disassembly of the plurality of bolt fixing modes are extremely inconvenient, and the connection efficiency between the bellows is reduced, therefore, the quick connecting structure for bellows connection is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a quick connecting structure for bellows connection, and solves the technical problem of slow installation efficiency during the connection of the current bellows.

[0005] In order to solve the above technical problems, the utility model provides a quick connecting structure for bellows connection, which comprises two symmetrical bellows bodies, flange plates are fixedly connected to the end portions of the two bellows bodies which are close to each other, clamp assemblies are arranged on the two flange plates, the outer end walls of the two flange plates are at least partially clamped in the clamp assemblies, the clamp assemblies are arranged in an open type, the bottom ends of the clamp assemblies are hingedly connected, the top ends of the clamp assemblies are free ends, and fasteners are hingedly connected to the free ends of the clamp assemblies.

[0006] Preferably, the clamp assembly comprises a first clamp and a second clamp, and a first pin shaft is inserted into the bottom ends of the first clamp and the second clamp.

[0007] The above technical scheme is adopted: the clamp assembly comprises the first clamp and the second clamp, the first pin shaft is inserted into the bottom ends of the first clamp and the second clamp, the first clamp and the second clamp are hingedly connected, the clamp assembly is clamped on the flange plate by being opened, and the clamp assembly is closed after being clamped on the flange plate.

[0008] Preferably, the free end is provided with an avoiding groove, and the avoiding groove is in a U shape.

[0009] The above technical scheme is adopted: the avoiding groove is provided in the free end, the avoiding groove is in a U shape, the fastener is poured into the avoiding groove through the avoiding groove, the free end is fastened through the fastener, and the clamp assembly tightly clamps the flange plate.

[0010] Preferably, the free end comprises a clamping block and a clamping groove plate, the clamping block is fixed at the top of the first hoop, and the clamping groove plate is fixed at the top of the second hoop.

[0011] The technical scheme has the following beneficial effects: the free end comprises the clamping block and the clamping groove plate, the clamping block is fixed at the top of the first hoop, and the clamping groove plate is fixed at the top of the second hoop, so that the fastener can be fastened on the free end through fastening of the fastener.

[0012] Preferably, the fastener comprises a knob and a screw rod, the knob is threadedly connected with the screw rod, and a second pin shaft is inserted at an end of the screw rod away from the knob.

[0013] The technical scheme has the following beneficial effects: the fastener comprises the knob and the screw rod, the knob is threadedly connected with the screw rod, and a second pin shaft is inserted at an end of the screw rod away from the knob, so that the fastener can be hinged on the free end.

[0014] Preferably, the first hoop and the second hoop are both semicircular in shape.

[0015] The technical scheme has the following beneficial effects: the first hoop and the second hoop are both semicircular in shape, so that the first hoop and the second hoop can be matched with the flange plate when the first hoop and the second hoop are closed.

[0016] Preferably, an annular groove is formed in the inner wall of the clamp assembly.

[0017] The technical scheme has the following beneficial effects: the annular groove is used for clamping the outer ring of the flange plate.

[0018] Preferably, an inclined surface is arranged at one end of the flange plate close to the corrugated pipe body.

[0019] The technical scheme has the following beneficial effects: the inclined surface is arranged at one end of the flange plate close to the corrugated pipe body, so that the clamp assembly can tightly hold the flange plate.

[0020] Preferably, the cross section of the annular groove is in the shape of an inner concave isosceles trapezoid.

[0021] The technical scheme has the following beneficial effects: the cross section of the annular groove is in the shape of an inner concave isosceles trapezoid.

[0022] Preferably, a support rubber ring is arranged between the two flange plates.

[0023] The technical scheme has the following beneficial effects: the support rubber ring is arranged between the two flange plates, so that the sealing effect of the connection between the two corrugated pipe bodies is improved.

[0024] Compared with the related art, the utility model has the following beneficial effects:

[0025] 1. Compared with the traditional corrugated pipe connecting structure, the utility model discloses a clamp assembly is arranged, two symmetrical distribution's corrugated pipe body, the flange disc is fixedly connected in the end of two corrugated pipe bodies and approaches each other, the clamp assembly is arranged on two flange discs, and the outer end wall of two flange discs is at least partially clamped in the clamp assembly, the clamp assembly is set up and the bottom of the clamp assembly is articulated connection, the top of the clamp assembly is free end, and the fastener is articulated on the free end of the clamp assembly, when two corrugated pipes are connected, first butt joint two flange discs, then clamp the clamp assembly on two flange discs, make the outer ring of two flange discs and clamp in the clamp assembly, then fasten the clamp assembly through a fastener, realize the connection between two flange discs, and then realize the connection between two corrugated pipe bodies, compared with the traditional connection between two corrugated pipe bodies, avoid using more fastening bolts, greatly improve the convenience and efficiency of installation and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a kind of corrugated pipe connecting quick connecting structure structure diagram;

[0027] Figure 2 It is a kind of corrugated pipe connecting quick connecting structure split diagram;

[0028] Figure 3 It is the opening structure diagram of the clamp assembly in a kind of corrugated pipe connecting quick connecting structure;

[0029] Figure 4 It is the structure diagram of fastener and free end in a kind of corrugated pipe connecting quick connecting structure;

[0030] Figure 5 It is the structure diagram of fastener in a kind of corrugated pipe connecting quick connecting structure.

[0031] Marked number in figure: 1, corrugated pipe body;2, flange disc;21, inclined surface;3, clamp assembly;31, first hoop;32, second hoop;4, free end;41, clamp block;42, clamping groove plate;5, fastener;51, knob;52, screw;6, avoiding groove;7, first pin shaft;8, second pin shaft;9, support rubber ring;10, annular groove. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0033] Example 1

[0034] like Figures 1-5 As shown, a quick-connect structure for corrugated pipe connection includes two symmetrically distributed corrugated pipe bodies 1. Flanges 2 are fixedly connected to the ends of the two corrugated pipe bodies 1 that are close to each other. Clamping assemblies 3 are provided on the two flanges 2. The outer end walls of the two flanges 2 are at least partially clamped in the clamping assemblies 3. The clamping assemblies 3 are arranged in a split manner, and the bottom end of the clamping assemblies 3 is hinged. The top end of the clamping assemblies 3 is a free end 4. Fasteners 5 are also hinged on the free end 4 of the clamping assemblies 3.

[0035] Two flanges 2 are equipped with clamp assemblies 3. At least part of the outer end walls of the two flanges 2 are clamped in the clamp assemblies 3. The clamp assemblies 3 are split and the bottom end of the clamp assemblies 3 is hinged. The top end of the clamp assemblies 3 is a free end 4. Fasteners 5 are also hinged to the free end 4 of the clamp assemblies 3. When connecting the two bellows, the two flanges 2 are first butted together. Then the clamp assemblies 3 are clamped on the two flanges 2, so that the outer rings of the two flanges 2 are clamped in the clamp assemblies 3. Then the clamp assemblies 3 are fastened with a fastener 5 to realize the connection between the two flanges 2, and then the connection between the two bellows bodies 1. Therefore, compared with the traditional connection between the two bellows bodies 1, the use of more fastening bolts is avoided, which greatly improves the convenience and efficiency of installation and disassembly.

[0036] Example 2

[0037] like Figures 1-5 As shown, the clamp assembly 3 includes a first clamp 31 and a second clamp 32. A first pin 7 is inserted into the bottom end of both the first clamp 31 and the second clamp 32. The free end 4 has a U-shaped clearance groove 6. The free end 4 includes a locking block 41 and a slotted plate 42. The locking block 41 is fixed to the top of the first clamp 31, and the slotted plate 42 is fixed to the top of the second clamp 32. The fastener 5 includes a knob 51 and a screw 52. The knob 51 and the screw 52 are threadedly connected. The screw 52 is located away from the knob 51. A second pin 8 is inserted at one end. The first clamp 31 and the second clamp 32 are both semi-circular in shape. An annular groove 10 is opened on the inner wall of the clamp assembly 3. The annular groove 10 is used to engage with the outer ring of the flange 2. An inclined surface 21 is provided at the end of the flange 2 near the bellows body 1 so that the clamp assembly 3 can tightly hold the flange 2. The cross section of the annular groove 10 is a concave isosceles trapezoidal shape. A support rubber ring 9 is provided between the two flanges 2 to improve the sealing effect at the connection of the two bellows bodies 1.

[0038] The clamp assembly 3 comprises a first clamp 31 and a second clamp 32, a first pin shaft 7 is arranged at the bottom end of the first clamp 31 and the second clamp 32, so that the first clamp 31 and the second clamp 32 are hingedly connected, facilitating the opening of the clamp assembly 3 on the flange plate 2, and after the clamp assembly 3 is clamped on the flange plate 2, the clamp assembly 3 is closed, the free end 4 is provided with a avoiding groove 6, the avoiding groove 6 is in U shape, the avoiding groove 6 facilitates the pouring of the fastener 5 in the avoiding groove 6, and the fastener 5 is fastened to fasten the free end 4, so that the clamp assembly 3 tightly clamps the flange plate 2;

[0039] The free end 4 comprises a clamping block 41 and a clamping groove plate 42, the clamping block 41 is fixed on the top of the first clamp 31, and the clamping groove plate 42 is fixed on the top of the second clamp 32, facilitating the fastening of the free end 4 through the fastening of the fastener 5, the fastener 5 comprises a knob 51 and a screw rod 52, the knob 51 is threadedly connected with the screw rod 52, and a second pin shaft 8 is arranged at the end of the screw rod 52 away from the knob 51, so that the fastener 5 can be hingedly connected on the free end 4, and the shapes of the first clamp 31 and the second clamp 32 are both semicircular, so that when the first clamp 31 and the second clamp 32 are closed, they can be matched with the flange plate 2.

[0040] Embodiment three

[0041] A lock washer is arranged on the screw rod 52 of the fastener 5, so that after the fastener 5 fastens the free end 4 on the clamp assembly 3, it is not easy to loosen.

[0042] Working principle: as Figures 1-5 shown, when two bellows are connected, first, the two flange plates 2 are butt jointed, then the clamp assembly 3 is clamped on the two flange plates 2, that is, the first clamp 31 and the second clamp 32 are opened, the outer rings of the two flange plates 2 are clamped in the clamp assembly 3, then the fastener 5 is poured in the avoiding groove 6, the knob 51 of the fastener 5 is tightened, the knob 51 presses the clamping block 41 and the clamping groove plate 42, so as to fasten the free end 4 on the clamp assembly 3, that is, one fastener 5 can fasten the clamp assembly 3, realize the connection between the two flange plates 2, and then realize the connection between the two bellows bodies 1, compared with the traditional connection between the two bellows bodies 1, the use of more fastening bolts is avoided, and the convenience and efficiency of installation and disassembly are greatly improved.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick connection structure for corrugated pipe connection, comprising two symmetrical corrugated pipe bodies (1), flanges (2) are fixedly connected to the end portions of the two corrugated pipe bodies (1) which are close to each other, characterized in that, Two flanges (2) are provided with a clamp assembly (3), the outer end walls of the two flanges (2) are at least partially clamped in the clamp assembly (3), the clamp assembly (3) is provided in a split type, the bottom end of the clamp assembly (3) is hingedly connected, the top end of the clamp assembly (3) is a free end (4), and the free end (4) of the clamp assembly (3) is further hingedly connected with a fastener (5).

2. The quick coupling structure for a bellows coupling according to claim 1, characterized by The clamp assembly (3) comprises a first clamp (31) and a second clamp (32), and a first pin shaft (7) is inserted at the bottom end of the first clamp (31) and the second clamp (32).

3. The quick coupling structure for a bellows coupling according to claim 1, characterized by The free end (4) is provided with an avoiding groove (6), and the avoiding groove (6) is in a U shape.

4. The quick coupling structure for a bellows coupling according to claim 1, characterized by The free end (4) comprises a clamping block (41) and a clamping groove plate (42), the clamping block (41) is fixed on the top of the first clamp (31), and the clamping groove plate (42) is fixed on the top of the second clamp (32).

5. The quick coupling structure for a bellows coupling according to claim 1, wherein The fastener (5) comprises a knob (51) and a screw rod (52), the knob (51) is threadedly connected with the screw rod (52), and a second pin shaft (8) is inserted at the end of the screw rod (52) away from the knob (51).

6. The quick coupling structure for a bellows coupling according to claim 2, characterized by The first clamp (31) and the second clamp (32) are both semicircular in shape.

7. The quick coupling structure for a bellows coupling according to claim 1, wherein The inner wall of the clamp assembly (3) is provided with an annular groove (10).

8. The quick coupling structure for a bellows coupling according to claim 1, wherein The flange (2) is provided with an inclined surface (21) near one end of the corrugated pipe body (1).

9. The quick coupling structure for a bellows coupling according to claim 7, wherein The annular groove (10) is in a concave isosceles trapezoidal shape in cross section.

10. The quick coupling structure for a bellows coupling according to claim 1, characterized by A support rubber ring (9) is arranged between the two flanges (2).