Corrugated pipe compensator with adjustable structure

Abstract

The utility model discloses a corrugated pipe compensator with an adjustable structure in the technical field of corrugated pipe compensators, which comprises a corrugated pipe body, the top and the bottom of the corrugated pipe body are connected with connecting plates, the left sides of the two groups of connecting plates are connected with first connecting lugs, and a limiting structure is arranged between the two groups of first connecting lugs. Second connecting lugs are connected to the right sides of the two sets of connecting plates, an adjusting structure is arranged between the two sets of second connecting lugs and comprises a threaded column, a threaded sleeve is connected to the outer side of the threaded column in a threaded mode, and a rotating piece is arranged between the threaded column and the second connecting lug at the lower end. According to the compensator, the connecting plates, the limiting structures, the threaded columns, the threaded sleeves, the rotating pieces and the second connecting lugs are arranged in a matched mode, the threaded columns are driven by the rotating pieces to rotate, the threaded columns rotate to drive the threaded sleeves to move up and down, and therefore the distance between the two sets of second connecting lugs can be adjusted, and the length of the corrugated pipe body can be greatly adjusted through the compensator; and the nut does not need to be repeatedly rotated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of corrugated pipe compensator, especially to a corrugated pipe compensator with adjustable structure. BACKGROUND

[0002] The compensator is also called expansion joint or expansion coupling. It is composed of corrugated pipe, end pipe, support, flange, guide pipe and other accessories. The expansion joint is a flexible structure arranged on the container shell or pipeline to compensate the additional stress caused by temperature difference and mechanical vibration. The effective expansion and contraction of the corrugated pipe are used to absorb the size change of the pipeline, guide pipe, container and other caused by thermal expansion and contraction, or to compensate the axial, lateral and angular displacement of the pipeline, guide pipe, container and other. It is widely used in chemical industry, metallurgy, nuclear energy and other fields. The corrugated pipe compensator belongs to a kind of compensator.

[0003] Patent No. CN211951850U discloses a corrugated pipe compensator, which comprises a corrugated pipe, a connecting sleeve is arranged at the upper end and the lower end of the corrugated pipe respectively, a flange is fixedly sleeved on the outer circumferential surface of the connecting sleeve, an inner rubber ring is arranged in the groove on the inner wall of the corrugated pipe, and an outer rubber ring is arranged in the groove on the outer wall of the corrugated pipe. In the corrugated pipe compensator, the inner wall groove and the outer wall groove of the corrugated pipe are respectively provided with inner and outer rubber rings. When the corrugated pipe is compressed and connected, the inner and outer rubber rings support the wall of the corrugated pipe, ensure uniform deformation of the corrugated pipe, prevent the appearance of extreme deformation of the corrugated pipe, effectively prevent the appearance of stress concentration, and further prevent the appearance of pipe wall cracks. The stability of the support connection of the corrugated pipe compensator is improved, and the service life of the corrugated pipe compensator is improved. However, when the length of the above-mentioned corrugated pipe compensator needs to be adjusted adaptively, the nut and screw rod outside the corrugated pipe compensator need to be rotated, so that the two sides of the corrugated pipe compensator can be contracted or stretched. When the length of the corrugated pipe compensator needs to be adjusted greatly, the nut needs to be rotated repeatedly, which makes the length adjustment of the corrugated pipe compensator too troublesome. UTILITY MODEL CONTENTS

[0004] In order to improve the above-mentioned problem that the nut needs to be rotated repeatedly when the length of the corrugated pipe compensator needs to be adjusted greatly, which makes the length adjustment of the corrugated pipe compensator too troublesome, the utility model provides a corrugated pipe compensator with adjustable structure.

[0005] The utility model provides a corrugated pipe compensator with adjustable structure, adopts the following technical scheme:

[0006] The utility model provides a corrugated pipe compensator with adjustable structure, including the corrugated pipe body, the top and bottom of corrugated pipe body are connected with the connecting plate, the left side of two groups connecting plate is connected with first connecting lug, and the spacing structure is arranged between two groups first connecting lug, the right side of two groups connecting plate is connected with second connecting lug, and the adjusting structure is arranged between two groups second connecting lug.

[0007] The adjusting structure includes a threaded column, the threaded column is rotatably connected to the top of the second connecting lug at the lower end, a threaded sleeve is screwed to the outer side of the threaded column, and a rotating piece is arranged between the threaded column and the second connecting lug at the lower end.

[0008] By adopting the above technical scheme, the two connecting plates are connected with external equipment, the spacing between the two connecting plates is adjusted according to the requirement of the compensator, the length of the corrugated pipe body is adjusted, when adjusting, the threaded column is driven to rotate by the rotating piece, the threaded sleeve is driven to move upward when the threaded column rotates, and then the second connecting lug at the upper end can be moved away from the second connecting lug at the lower end, the second connecting lug at the upper end is moved, the first connecting lug at the upper end is moved by the connecting plate at the upper end, the connecting plate at the upper end is limited by the limiting structure when the first connecting lug at the upper end is moved, and the spacing between the two connecting plates is adjusted to the required position, so that the length of the corrugated pipe body is adjusted conveniently, and when the length of the corrugated pipe body of the corrugated pipe compensator needs to be adjusted greatly, the nut does not need to be rotated repeatedly, so that the length adjustment of the corrugated pipe compensator is simple and convenient.

[0009] Optionally, the limiting structure includes a cylinder, the cylinder is installed at the bottom of the first connecting lug at the upper end, a moving plate is slidably installed in the cylinder, and a movable column is connected to the bottom of the moving plate and extends out of the cylinder and is fixedly connected to the top of the first connecting lug at the lower end.

[0010] By adopting the above technical scheme, when the second connecting lug at the upper end is moved, the first connecting lug at the upper end is moved by the connecting plate at the upper end, the cylinder is moved upward when the first connecting lug at the upper end is moved, and then the moving plate and the movable column slide in the cylinder, so that the connecting plate at the upper end can be limited, and the connecting plate at the upper end always moves up and down, preventing the connecting plate at the upper end from rotating with the threaded sleeve.

[0011] Optionally, the rotating piece includes a vertical plate, the vertical plate is fixed to the top of the second connecting lug at the lower end, a rotating rod is rotatably connected to the inside of the vertical plate, a conical gear two is connected to one end of the rotating rod close to the threaded column, a conical gear one is meshingly connected to the end of the conical gear two away from the rotating rod, and the conical gear one is fixedly sleeved to the outer side of the threaded column at the lower end.

[0012] By adopting the technical scheme, the rotating rod is driven to rotate by the cone gear II, the cone gear II is driven to rotate by the cone gear I, and then the threaded column is driven to rotate.

[0013] Optionally, one end of the rotating rod away from the cone gear II is fixedly connected with a rotating wheel, and a rotating wheel locking member is arranged between the rotating wheel and the vertical plate.

[0014] By adopting the technical scheme, the rotating rod is driven to rotate by the cone gear II, the cone gear II is driven to rotate by the cone gear I, and then the threaded column is driven to rotate.

[0015] Optionally, the rotating wheel locking member comprises two groups of fixed rods, one end of each of the two groups of fixed rods away from the vertical plate is fixedly connected with a stop block, the outer side of each of the two groups of fixed rods is slidably sleeved with a mounting plate, a first spring is fixedly connected between the mounting plate and the vertical plate, the first spring is sleeved on the outer side of the fixed rod, one end of the mounting plate away from the vertical plate is connected with a limiting rod, and a plurality of limiting grooves are equidistantly arranged on one side of the rotating wheel close to the vertical plate and in plug-in cooperation with the limiting rod.

[0016] By adopting the technical scheme, when it is needed to release the fixing of the rotating wheel by the limiting rod, the stop block is pulled to slide along the fixed rod and to press the first spring, the stop block is moved to drive the limiting rod to move, and the limiting rod is separated from the limiting groove.

[0017] Optionally, the bottom of the mounting plate is fixedly connected with a pushing rod.

[0018] By adopting the technical scheme, the pushing rod is held by the operator to control the movement of the mounting plate.

[0019] Optionally, a connecting plate dismounting structure is arranged between each of the two groups of first connecting ears and the two groups of second connecting ears and the corrugated pipe body, the connecting plate dismounting structure comprises four groups of grooves, the four groups of grooves are arranged on the sides of the two groups of first connecting ears and the two groups of second connecting ears away from each other, the inner walls of the four groups of grooves are connected with second springs, one side of each of the four groups of second springs close to the center of the connecting plate is mounted with a sliding plate, one end of each of the four groups of sliding plates away from the second spring is connected with a plug rod, and the two sides of each of the two groups of connecting plates are provided with plug grooves in plug-in cooperation with the four groups of plug rods.

[0020] By adopting the technical scheme, when it is needed to dismount the corrugated pipe body from the two groups of first connecting ears and the two groups of second connecting ears, the operator pulls the sliding plate to move to press the second spring, the sliding plate is moved to drive the plug rod to move, the plug rod is separated from the plug groove, and the fixing of the connecting plate by the plug rod is released.

[0021] Optionally, a plurality of connecting holes are arranged at the edges of each of the two groups of connecting plates.

[0022] By adopting the technical scheme, the bolts are arranged in the plurality of connecting holes, so that the two groups of connecting plates can be connected with external equipment.

[0023] In summary, the utility model discloses at least one beneficial effect as follows:

[0024] Through the cooperation of the connecting plate, the limiting structure, the threaded column, the threaded sleeve, the rotating piece and the second connecting lug, the threaded column is driven to rotate by the rotating piece, and the threaded sleeve is driven to move up and down by the rotation of the threaded column, thereby the distance between the two groups of second connecting lugs can be adjusted, so that when the corrugated pipe compensator needs to greatly adjust the length of the corrugated pipe body, the nut does not need to be repeatedly rotated, and the length adjustment of the corrugated pipe compensator is simple and convenient.

[0025] Through the cooperation of the first spring, the fixing rod, the mounting plate, the stop block, the limiting rod and the limiting slot, the limiting rod is inserted into the limiting slot under the elastic force of the first spring, so that the runner can be fixed and prevented from rotating under external force.

[0026] Through the cooperation of the groove, the second spring, the sliding plate, the insertion rod and the insertion slot, when the corrugated pipe body needs to be overhauled, the insertion rod and the insertion slot are separated, thereby the corrugated pipe body can be disassembled from the first connecting lug and the second connecting lug by the staff, and the practicability of the compensator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0028] Figure 1 It is a sectional view structure schematic diagram of the utility model;

[0029] Figure 2 It is a sectional view structure schematic diagram of the utility model; Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0030] Figure 3 It is an enlarged structure schematic diagram of B in the utility model; Figure 1 It is an enlarged structure schematic diagram of B in the utility model;

[0031] Figure 4 It is a runner side view structure schematic diagram of the utility model.

[0032] In the figure: 1, connecting plate; 2, bellows body; 3, connecting hole; 4, first connecting lug; 5, limiting structure; 501, cylinder; 502, moving plate; 503, movable column; 6, adjusting structure; 601, threaded column; 602, threaded sleeve; 603, rotating piece; 6031, bevel gear one; 6032, bevel gear two; 6033, vertical plate; 6034, rotating rod; 604, rotating wheel; 605, rotating wheel locking piece; 6051, first spring; 6052, fixed rod; 6053, mounting plate; 6054, stop block; 6055, limiting rod; 6056, limiting groove; 7, second connecting lug; 8, connecting plate dismounting structure; 801, groove; 802, second spring; 803, sliding plate; 804, insertion rod; 805, insertion slot. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying drawings. Figures 1-4 The utility model makes further detailed description.

[0034] Please refer to the accompanying drawings of the specification Figure 1 , the utility model provides an embodiment: a bellows compensator with adjustable structure, including bellows body 2, the top and bottom of bellows body 2 are fixedly connected with connecting plate 1, and the edge of two groups of connecting plate 1 is provided with a plurality of connecting holes 3.

[0035] Please refer to the accompanying drawings of the specification Figure 1 And Figure 2 , the left side of two groups of connecting plate 1 is fixedly connected with first connecting lug 4, limiting structure 5 is arranged between two groups of first connecting lug 4, the right side of two groups of connecting plate 1 is fixedly connected with second connecting lug 7, and connecting plate dismounting structure 8 is arranged between two groups of first connecting lug 4 and two groups of second connecting lug 7 and bellows body 2, and the connecting plate dismounting structure 8 includes four groups of grooves 801, the four groups of grooves 801 are respectively provided on the side of two groups of first connecting lug 4 and two groups of second connecting lug 7 mutually away from each other, the inner wall of four groups of grooves 801 is fixedly connected with second spring 802, four groups of second spring 802 are fixedly installed with sliding plate 803 on the side close to the center of connecting plate 1, and the sliding plate 803 is connected with the groove 801 slidingly, and the end of four groups of sliding plate 803 away from second spring 802 is fixedly connected with insertion rod 804, and the both sides of two groups of connecting plate 1 are provided with insertion slot 805 matched with four groups of insertion rod 804.When it is needed to split bellows body 2 from two groups of first connecting lug 4 and two groups of second connecting lug 7, the operator pulls sliding plate 803 and moves to extrude second spring 802, sliding plate 803 moves and drives insertion rod 804 to move simultaneously until insertion rod 804 is separated from insertion slot 805, and the fixing effect of insertion rod 804 on connecting plate 1 is released.

[0036] Please refer to the drawings of the specification Figure 1 , the two groups of second connecting ears 7 are provided with adjusting structure 6. The adjusting structure 6 comprises a threaded column 601, which is rotatably connected to the top of the lower end second connecting ear 7, and a threaded sleeve 602 is screwed to the outside of the threaded column 601. The threaded column 601 and the lower end second connecting ear 7 are provided with a rotating piece 603.

[0037] Please refer to the drawings of the specification Figure 1 , the limiting structure 5 comprises a cylinder 501, which is fixedly installed at the bottom of the upper end first connecting ear 4. A moving plate 502 is slidably installed inside the cylinder 501. The bottom of the moving plate 502 is fixedly connected with a movable column 503, and the bottom of the movable column 503 extends out of the cylinder 501 and is fixedly connected with the top of the lower end first connecting ear 4. When the upper end second connecting ear 7 moves, it drives the upper end first connecting ear 4 to move through the connecting plate 1. When the upper end first connecting ear 4 moves, it drives the cylinder 501 to move upwards, and in turn makes the moving plate 502 and the movable column 503 slide inside the cylinder 501, so as to limit the upper end connecting plate 1, so that the upper end connecting plate 1 always moves up and down, preventing the upper end connecting plate 1 from rotating with the threaded sleeve 602.

[0038] Please refer to the drawings of the specification Figure 1 and Figure 3 , the rotating piece 603 comprises a vertical plate 6033, which is fixed to the top of the lower end second connecting ear 7. A rotating rod 6034 is rotatably connected inside the vertical plate 6033. A conical gear two 6032 is fixedly connected to one end of the rotating rod 6034 close to the threaded column 601. A conical gear one 6031 is meshingly connected to the end of the conical gear two 6032 away from the rotating rod 6034, and the conical gear one 6031 is fixedly sleeved to the lower end outside of the threaded column 601. When the rotating rod 6034 rotates, it drives the conical gear two 6032 to rotate, and when the conical gear two 6032 rotates, it drives the conical gear one 6031 to rotate, and in turn drives the threaded column 601 to rotate.

[0039] Please refer to the drawings of the specification Figure 1 , Figure 3 and Figure 4The rotating wheel locking piece 605 includes two groups of fixed rods 6052, both of which are fixedly installed at one end of the vertical plate 6033 close to the rotating wheel 604. The ends of the two groups of fixed rods 6052 away from the vertical plate 6033 are both fixed with a stop block 6054. The outer sides of the two groups of fixed rods 6052 are slidably sleeved with an installation plate 6053. The first spring 6051 is fixed between the installation plate 6053 and the vertical plate 6033, and the first spring 6051 is sleeved on the outer side of the fixed rod 6052. The end of the installation plate 6053 away from the vertical plate 6033 is fixedly connected with a limiting rod 6055. The side of the rotating wheel 604 close to the vertical plate 6033 is equally spaced to be provided with a plurality of limiting grooves 6056 in plug-in cooperation with the limiting rod 6055. When it is needed to release the fixing effect of the limiting rod 6055 on the rotating wheel 604, the stop block 6054 is pulled to slide along the fixed rod 6052 and press the first spring 6051. The stop block 6054 moves while driving the limiting rod 6055 to move, until the limiting rod 6055 is separated from the limiting groove 6056. The bottom of the installation plate 6053 is fixedly connected with a pushing rod. Therefore, the operator can hold the pushing rod to control the movement of the installation plate 6053.

[0040] Working principle: in use, the two groups of connecting plates 1 are connected with external equipment by threading bolts in the plurality of connecting holes 3, and the spacing between the two groups of connecting plates 1 is adjusted according to the demand of the compensator, so as to adjust the length of the bellows body 2. When adjusting, the operator drives the stop block 6054 to move through the pushing rod, the stop block 6054 slides along the fixed rod 6052 and presses the first spring 6051, the stop block 6054 moves while driving the limiting rod 6055 to move, until the limiting rod 6055 is separated from the limiting groove 6056, and the fixing effect of the limiting rod 6055 on the rotating wheel 604 is released.

[0041] Then the operator rotates the rotating wheel 604, the rotating wheel 604 rotates to drive the bevel gear two 6032 to rotate through the rotating rod 6034, the bevel gear two 6032 rotates to drive the bevel gear one 6031 to rotate, and then drives the threaded column 601 to rotate, the threaded column 601 drives the threaded sleeve 602 to move upwards when rotating, and then can drive the upper end second connecting lug 7 to move away from the lower end second connecting lug 7, the upper end second connecting lug 7 moves to drive the upper end first connecting lug 4 to move through the connecting plate 1, the upper end first connecting lug 4 moves to drive the movable column 503 to drive the moving plate 502 to slide in the barrel 501, until the spacing between the two groups of connecting plates 1 is adjusted to the required position, so as to conveniently adjust the length of the bellows body 2, so that the length of the bellows compensator does not need to be repeatedly rotated when the length of the bellows body 2 is greatly adjusted, and the length adjustment of the bellows compensator is simple and convenient.

[0042] When the bellows body 2 needs to be overhauled, the operator pulls the sliding plate 803 to move outward, the sliding plate 803 is extruded to the second spring 802 when moving outward, the sliding plate 803 drives the insertion rod 804 to move outward when moving, until the insertion rod 804 is separated from the insertion slot 805, so that the fixing effect of the insertion rod 804 on the connecting plate 1 is released, and then the two groups of first connecting ears 4 and the two groups of second connecting ears 7 can be separated from the two groups of connecting plates 1, so that the worker can disassemble the bellows body 2 and overhaul.

[0043] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A bellows compensator with adjustable structure, comprising a bellows body (2), a connecting plate (1) is connected to the top and bottom of the bellows body (2), characterized in that: The left side of the two groups of connecting plates (1) is connected with a first connecting lug (4), the first connecting lug (4) is provided with a limiting structure (5), the right side of the two groups of connecting plates (1) is connected with a second connecting lug (7), and the second connecting lug (7) is provided with an adjusting structure (6); The adjusting structure (6) comprises a threaded column (601), the threaded column (601) is rotationally connected to the top of the second connecting lug (7) at the lower end, and a threaded sleeve (602) is screwed on the outer side of the threaded column (601); and a rotating piece (603) is arranged between the threaded column (601) and the second connecting lug (7) at the lower end.

2. The bellows compensator with adjustable structure according to claim 1, characterized in that: The limiting structure (5) comprises a cylinder (501), the cylinder (501) is installed at the bottom of the first connecting lug (4) at the upper end, a moving plate (502) is slidably installed in the cylinder (501), the bottom of the moving plate (502) is connected with a movable column (503), and the bottom of the movable column (503) extends out of the cylinder (501) and is fixedly connected with the top of the first connecting lug (4) at the lower end.

3. The bellows compensator with adjustable structure according to claim 1, characterized in that: The rotating piece (603) comprises a vertical plate (6033), the vertical plate (6033) is fixed to the top of the second connecting lug (7) at the lower end, a rotating rod (6034) is rotationally connected in the vertical plate (6033), a second bevel gear (6032) is connected to one end of the rotating rod (6034) close to the threaded column (601), a first bevel gear (6031) is engagedly connected to the end of the second bevel gear (6032) away from the rotating rod (6034), and the first bevel gear (6031) is fixedly sleeved on the outer side of the threaded column (601) at the lower end.

4. The bellows compensator having an adjustable structure according to claim 3, characterized in that: One end of the rotating rod (6034) away from the second bevel gear (6032) is fixedly connected with a rotating wheel (604), and a rotating wheel locking piece (605) is arranged between the rotating wheel (604) and the vertical plate (6033).

5. The bellows compensator having an adjustable structure according to claim 4, characterized in that: The rotating wheel locking piece (605) comprises two groups of fixed rods (6052), the two groups of fixed rods (6052) are installed at one end of the vertical plate (6033) close to the rotating wheel (604), the end of the two groups of fixed rods (6052) away from the vertical plate (6033) is fixedly connected with a stop block (6054), a mounting plate (6053) is slidably sleeved on the outer side of the two groups of fixed rods (6052), a first spring (6051) is fixedly connected between the mounting plate (6053) and the vertical plate (6033), the first spring (6051) is sleeved on the outer side of the fixed rod (6052), a limiting rod (6055) is connected to the end of the mounting plate (6053) away from the vertical plate (6033), and a plurality of limiting grooves (6056) are formed in the side of the rotating wheel (604) close to the vertical plate (6033) at equal intervals and are in plug-fit cooperation with the limiting rod (6055).

6. The bellows compensator having an adjustable structure according to claim 5, characterized in that: The bottom of the mounting plate (6053) is fixedly connected with a pushing rod.

7. The bellows compensator having adjustable structure according to claim 1, characterized in that: Connecting plate dismounting structure (8) is arranged between the two groups of first connecting ears (4) and the two groups of second connecting ears (7) and the bellows body (2), the connecting plate dismounting structure (8) includes four groups of grooves (801), four groups of the groove (801) are respectively arranged on the side of the two groups of first connecting ears (4) and the two groups of second connecting ears (7) away from each other, the inner wall of four groups of the groove (801) is connected with second spring (802), four groups of the second spring (802) are close to the side of the connecting plate (1) center and are all installed with sliding plate (803), four groups of the sliding plate (803) are away from the end of second spring (802) and are all connected with inserting rod (804), the both sides of two groups of the connecting plate (1) are all provided with the insertion slot (805) of the insertion cooperation with four groups of inserting rod (804).

8. The bellows compensator having adjustable structure according to claim 1, characterized in that: The edge of two groups of the connecting plate (1) is all provided with a plurality of connecting holes (3).

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