Corrugated pipe coupling

Abstract

The utility model discloses a corrugated pipe coupling, relates to corrugated pipe coupling technical field, including coupling end, the coupling end is provided with two groups, quick release anti-slip subassembly includes the chute, the chute is opened in the surface of locating ring, the inside of the chute is slidingly connected with the slider, the surface of the slider is fixedly provided with the locking lever, and the locking lever is connected with the quick release anti-slip subassembly. And the sliding block is in threaded connection with the bidirectional screw rod. The adjusting block is rotated to drive the bidirectional lead screw to rotate in the sliding groove, the sliding block is driven to slide in the sliding groove through rotation of the bidirectional lead screw, the locking rod is moved out of the locking hole through movement of the sliding block, the corrugated pipe and the end of the coupler are separated from locking, the end of the coupler is pulled out outwards, and the rubber ring and the positioning ring are connected in an inserted mode. A new corrugated pipe is connected with the rubber ring in an inserted mode, the locking hole is aligned with the through hole, the adjusting block is reversely rotated to enable the locking rod to enter the locking hole, the corrugated pipe and the coupler end are locked, replacement of the corrugated pipe is completed, and convenience and rapidness are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows couplings, in particular to a bellows coupling. Background Art

[0002] The bellows coupling transmits motion by directly welding or bonding a thin-walled tube (bellows) with a corrugated shape to the two halves of the coupling. This coupling has a simple structure, small dimensions, easy processing and installation, and high transmission accuracy. It is mainly used in small-power precision machinery and control mechanisms that require compact structure and high transmission accuracy.

[0003] After searching the existing public patent number: CN202220372312.5, the public patent name is: a bellows coupling, including two coupling ends and a bellows sleeve, the two coupling ends are installed at both ends of the bellows sleeve through a connecting structure; the connecting structure includes: a connecting head, two grooves, a plurality of fixing plates, a locking portion and a clamping portion; the connecting head is installed at one end of the coupling end, the two grooves are opened on the connecting head, and a plurality of fixing plates are installed on the side wall surface of the coupling end in a circular array. The utility model relates to the technical field of couplings, the two card grooves at one end of the bellows sleeve are clamped in the two grooves, and the two metal rings are clamped in the two grooves to avoid movement between the coupling end and the bellows sleeve; two metal rings are set for double fixing of the bellows sleeve; the first bolt and the second bolt press the two metal ring clamps to increase the clamping strength of the metal ring on the bellows sleeve, avoid slipping, and ensure the installation quality.

[0004] However, when the bellows coupling is in use, its metal bellows component needs to be constantly extended and retracted for compensation operation, so it is more prone to aging and damage. It is very inconvenient to disassemble and replace the metal bellows component. If the entire bellows component is discarded, it will cause a waste of equipment costs. There is room for improvement. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a bellows coupling, which solves the problem that it is very inconvenient to disassemble and replace metal bellows components.

[0007] Technical Solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a bellows coupling, comprising: a coupling end, the coupling end is provided with two groups, the two groups of coupling end are symmetrically arranged, a positioning ring is fixedly connected to one side of the coupling end, a mounting hole is opened on the surface of the coupling end, a connecting hole is arranged at the center of the surface of the coupling end, a rubber ring is sleeved on the surface of the positioning ring, a bellows is inserted on the surface of the rubber ring, and a quick-release anti-slip component is arranged on the coupling end;

[0009] The quick-release anti-slip assembly includes a slide groove, which is opened on the surface of the positioning ring. A bidirectional screw is rotatably connected in the slide groove, an adjustment block is fixedly installed on the top of the bidirectional screw, a sliding block is slidably connected in the slide groove, a locking rod is fixedly installed on the surface of the sliding block, and the sliding block is threadedly connected to the bidirectional screw.

[0010] Preferably, a locking hole is provided on the inner wall of the corrugated tube, and a through hole is provided on the surface of the rubber ring, and the locking hole has the same diameter as the through hole.

[0011] Preferably, two groups of sliding blocks are provided, and the two groups of sliding blocks are symmetrically arranged in the sliding groove. The diameter of the locking rod is the same as the diameter of the locking hole and the through hole, and the surface of the locking rod is provided with a rounded corner.

[0012] Preferably, the outer diameter of the positioning ring is slightly larger than the inner diameter of the rubber ring, and the inner diameter of the bellows is slightly larger than the outer diameter of the rubber ring.

[0013] Preferably, the mounting hole passes through the inner wall of the coupling end and extends to the inside of the connecting hole, and a fixing block is threadedly connected to the mounting hole.

[0014] Preferably, the thickness of the rubber ring is the same as that of the positioning ring, and an anti-slip groove is provided on the surface of the positioning ring.

[0015] Beneficial Effects

[0016] The utility model provides a bellows coupling, which, compared with the prior art, has at least the following advantages:

[0017] Beneficial effects:

[0018] The rotating adjustment block drives the bidirectional lead screw to rotate in the slide groove, and the rotation of the bidirectional lead screw drives the sliding block to slide in the slide groove. The movement of the sliding block moves the locking rod out of the locking hole, so that the bellows and the coupling end are disengaged from the lock, and the coupling end is pulled out outward, the rubber ring is plugged into the positioning ring, and the new bellows is plugged into the rubber ring, so that the locking hole is aligned with the through hole, and the adjusting block is reversed to make the locking rod enter the locking hole, so that the bellows and the coupling end are locked, and the bellows are replaced quickly and conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the installation of the coupling end of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the quick-release anti-skid assembly of the utility model.

[0023] In the figure: 1. coupling end; 2. mounting hole; 3. connecting hole; 4. bellows; 5. positioning ring; 6. rubber ring; 7. quick-release anti-skid assembly; 701. slide groove; 702. bidirectional screw rod; 703. adjustment block; 704. sliding block; 705. locking rod; 706. locking hole; 707. through hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-4 The utility model provides a technical solution: a coupling end 1, two groups of coupling end 1 are arranged, and the two groups of coupling end 1 are symmetrically arranged. A positioning ring 5 is fixedly connected to one side of the coupling end 1, a mounting hole 2 is opened on the surface of the coupling end 1, and a connecting hole 3 is arranged in the center of the surface of the coupling end 1. A rubber ring 6 is sleeved on the surface of the positioning ring 5, and a bellows 4 is inserted on the surface of the rubber ring 6. A quick-release anti-skid component 7 is arranged on the coupling end 1;

[0027] The quick-release anti-skid component 7 includes a slide groove 701, which is opened on the surface of the positioning ring 5. A bidirectional screw rod 702 is rotatably connected in the slide groove 701, and an adjustment block 703 is fixedly installed on the top of the bidirectional screw rod 702. A sliding block 704 is slidably connected in the slide groove 701, and a locking rod 705 is fixedly installed on the surface of the sliding block 704. The sliding block 704 is threadedly connected to the bidirectional screw rod 702.

[0028] Analysis of the above content: When the bellows 4 is damaged and needs to be replaced, the rotating adjustment block 703 drives the bidirectional screw rod 702 to rotate in the slide groove 701, and the rotation of the bidirectional screw rod 702 drives the sliding block 704 to slide in the slide groove 701, and the movement of the sliding block 704 causes the locking rod 705 to move out of the locking hole 706, so that the bellows 4 and the coupling end 1 are disengaged from the lock, and the coupling end 1 is pulled outward, the rubber ring 6 is plugged into the positioning ring 5, and the new bellows 4 is plugged into the rubber ring 6, so that the locking hole 706 is aligned with the through hole 707, and the adjusting block 703 is reversed to make the locking rod 705 enter the locking hole 706, so that the bellows 4 and the coupling end 1 are locked, and the replacement of the bellows 4 is completed.

[0029] Embodiment 2:

[0030] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a locking hole 706 is opened on the inner wall of the bellows 4, and a through hole 707 is opened on the surface of the rubber ring 6, and the locking hole 706 and the through hole 707 have the same diameter.

[0031] Analysis of the above content: The locking rod 705 passes through the through hole 707 and enters the locking hole 706 to lock the bellows 4 and the coupling end 1.

[0032] Embodiment three:

[0033] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: two groups of sliding blocks 704 are provided, and the two groups of sliding blocks 704 are symmetrically arranged in the slide groove 701. The diameter of the locking rod 705 is the same as the diameter of the locking hole 706 and the through hole 707, and the surface of the locking rod 705 is provided with a rounded corner.

[0034] Analysis of the above content: The surface of the locking rod 705 is provided with rounded corners to facilitate entry into the locking hole 706. The locking hole 706 and the locking rod 705 cooperate with each other to prevent slipping between the bellows 4 and the coupling end 1.

[0035] Embodiment 4:

[0036] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the outer diameter of the positioning ring 5 is slightly larger than the inner diameter of the rubber ring 6 , and the inner diameter of the bellows 4 is slightly larger than the outer diameter of the rubber ring 6 .

[0037] Analysis of the above content: the outer diameter of the positioning ring 5 is slightly larger than the inner diameter of the rubber ring 6, and the inner diameter of the bellows 4 is slightly larger than the outer diameter of the rubber ring 6, which facilitates the fixation between the bellows 4 and the coupling end 1, increases the friction between the bellows 4 and the coupling end 1, and prevents slipping between the bellows 4 and the coupling end 1.

[0038] Embodiment five:

[0039] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the mounting hole 2 passes through the inner wall of the coupling end 1 and extends to the inside of the connecting hole 3, and the mounting hole 2 is threadedly connected with a fixing block.

[0040] Analysis of the above content: Rotate the fixed block to connect and fix the fixed block to the shaft, and complete the connection between the coupling end 1 and the shaft.

[0041] Embodiment six:

[0042] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the thickness of the rubber ring 6 is the same as that of the positioning ring 5, and an anti-slip groove is provided on the surface of the positioning ring 5.

[0043] Analysis of the above content: the rubber ring 6 is plugged into the positioning ring 5, and protective patterns are provided to increase the friction between the positioning ring 5 and the rubber ring 6 to avoid slipping.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bellows coupling, characterized in that: include: A coupling end head (1), wherein the coupling end head (1) is provided with two groups, and the two groups of coupling end heads (1) are symmetrically arranged, a positioning ring (5) is fixedly connected to one side of the coupling end head (1), a mounting hole (2) is provided on the surface of the coupling end head (1), a connecting hole (3) is provided at the center of the surface of the coupling end head (1), a rubber ring (6) is sleeved on the surface of the positioning ring (5), and a bellows (4) is inserted on the surface of the rubber ring (6), and a quick-release anti-skid component (7) is provided on the coupling end head (1); The quick-release anti-skid assembly (7) comprises a slide groove (701), wherein the slide groove (701) is provided on the surface of the positioning ring (5), a bidirectional screw rod (702) is rotatably connected in the slide groove (701), an adjusting block (703) is fixedly installed on the top of the bidirectional screw rod (702), a sliding block (704) is slidably connected in the slide groove (701), a locking rod (705) is fixedly installed on the surface of the sliding block (704), and the sliding block (704) is threadedly connected to the bidirectional screw rod (702).

2. A bellows coupling according to claim 1, characterized in that: The inner wall of the bellows (4) is provided with a locking hole (706), and the surface of the rubber ring (6) is provided with a through hole (707), and the locking hole (706) and the through hole (707) have the same diameter.

3. A bellows coupling according to claim 2, characterized in that: The sliding blocks (704) are provided in two groups, and the two groups of sliding blocks (704) are symmetrically arranged in the slide groove (701). The diameter of the locking rod (705) is the same as the diameter of the locking hole (706) and the through hole (707), and the surface of the locking rod (705) is provided with rounded corners.

4. The bellows coupling according to claim 1, characterized in that: The outer diameter of the positioning ring (5) is slightly larger than the inner diameter of the rubber ring (6), and the inner diameter of the bellows (4) is slightly larger than the outer diameter of the rubber ring (6).

5. The bellows coupling according to claim 1, characterized in that: The mounting hole (2) passes through the inner wall of the coupling end (1) and extends to the inside of the connecting hole (3); the mounting hole (2) is internally threadedly connected to a fixing block.

6. The bellows coupling according to claim 1, characterized in that: The thickness of the rubber ring (6) is the same as that of the positioning ring (5), and an anti-slip groove is provided on the surface of the positioning ring (5).

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