Multi-specification TTJ telescopic short joint assembly

Abstract

The utility model relates to the technical field of telescopic joints, in particular to a multi-specification TTJ telescopic short joint assembly which comprises a first cylinder body, one end of the first cylinder body is fixedly connected with an inner cylinder, one side of the outer wall of the inner cylinder is in clearance fit with a circular plate, one end of the circular plate is attached to a rubber ring, one end of the rubber ring is tightly attached to a second cylinder body, and the other end of the second cylinder body is tightly attached to the outer wall of the inner cylinder. The inner wall of one end of the second barrel is in clearance fit with one side of the outer wall of the inner barrel, and a flange is attached to one end of the second barrel. Through cooperation of a first cylinder, an inner cylinder, a circular plate, a first nut, a rubber ring, a second cylinder, a flange, a lead screw, a second screw, a threaded rod, a second nut, a third nut and a supporting structure, when the device is used, a straight plate and one side of the front end face of the second cylinder can be fixed by rotating a bolt, a transverse block is moved rightwards, the transverse block is attached to the circular plate, and the circular block is rotated; and the circular block moves downwards on the outer wall of the first screw rod, so that the transverse block is positioned, a worker can conveniently support the circular plate during assembly, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic joints, in particular to a multi-specification TTJ telescopic short joint component. Background Art

[0002] Expansion joints can also be called pipe expansion joints, compensators, and expansion joints. Expansion joints are divided into several types: corrugated expansion joints, sleeve expansion joints, square natural compensation expansion joints, etc. Among them, corrugated expansion joints are more commonly used.

[0003] There is an existing flange-type pipe expansion joint (application number: 201920935303.0) with a simple structure, adjustable length of the pipeline, easy installation, and strong practical and promotion value. The above-mentioned problem still exists. When the pipeline is in use, the pipeline will change due to the problem of thermal expansion and contraction, and then the expansion joint is needed. When the expansion joint is assembled, the expansion joint needs to be kept at a certain distance. During installation and assembly, the staff needs to always hold the circular plate to keep the circular plate in one position. When fixing the circular plate and the cylinder, the operation is relatively inconvenient, and it is not convenient for the staff to support the circular plate during assembly. Due to different usage requirements, the distance that the expansion joint needs to maintain is also different, which is not convenient for the staff to accurately adjust the expansion joint to the appropriate distance, and further inconvenient to operate. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that it is inconvenient for workers to support the circular plate during assembly, the operation is relatively inconvenient, it is inconvenient for workers to accurately adjust the telescopic joint to a suitable distance, and further the operation is inconvenient, and a multi-specification TTJ telescopic short section assembly is proposed.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multi-specification TTJ telescopic short section assembly is designed, comprising a cylinder body one, one end of the cylinder body one is fixedly connected to an inner cylinder, one side of the outer wall of the inner cylinder is gap-fitted with a circular plate, one end of the circular plate is fitted with a rubber ring, one end of the rubber ring is tightly fitted with a cylinder body two, the inner wall of one end of the cylinder body two is gap-fitted with one side of the outer wall of the inner cylinder, one end of the cylinder body two is fitted with a flange, one end of the flange is fixedly connected to a screw rod, one side of the outer wall of the screw rod is threadedly connected to a nut one, and one side of the cylinder body one is provided with a supporting structure.

[0007] Preferably, the supporting structure comprises a straight block, one end of the straight block is fitted with one side of the outer wall of the cylinder body, the front end face of the straight block is fixedly connected with a straight plate, the inner wall of one side of the straight plate is threadedly connected to the inner wall of one side of the front end face of the cylinder body through a bolt, a square plate is matched with the inner wall gap of one end of the straight plate, a cross block is fixedly connected to the rear end side of the square plate, one end of the cross block is fitted with one side of the outer wall of the circular plate, a screw rod is fixedly connected to one side of the top of the square plate, the outer wall of the screw rod is gap matched with the through groove gap on one side of the top of the straight plate, a round block is threadedly connected to the upper outer wall of the screw rod, a round rod is fixedly connected to one side of the front end face of the square plate, the front of the outer wall of the round rod is gap matched with the through groove gap on one side of the front end face of the straight plate, and a scale line is processed on one side of the front end face of the straight plate.

[0008] Preferably, a threaded rod is fixedly connected to the outer side of one end of the second cylinder, and one side of the outer wall of the threaded rod is gap-matched with the inner wall of one side of the circular plate.

[0009] Preferably, a second nut is threadedly connected to one side of the outer wall of the threaded rod.

[0010] Preferably, a screw rod 2 is gap-fitted in the inner wall of one end of the barrel body 1, and two nuts 3 are threadedly connected to one side of the outer wall of the screw rod 2.

[0011] Preferably, one side of the outer wall of the second screw is in clearance fit with the front inner wall of the circular plate, and one end of the second screw is in clearance fit with the inner wall of one end of the second barrel.

[0012] The utility model proposes a multi-specification TTJ telescopic short section assembly, which has the beneficial effect that: through the cooperation of the barrel body 1, the inner barrel, the round plate, the nut 1, the rubber ring, the barrel body 2, the flange, the screw rod, the screw rod 2, the threaded rod, the nut 2, the nut 3 and the supporting structure, when the device is in use, the straight plate can be fixed to one side of the front end surface of the barrel body 2 by rotating the bolt, the cross block can be moved to the right, the cross block can be fitted with the round plate, and the round block can be rotated to move the round block downward on the outer wall of the screw rod 1, thereby realizing the positioning of the cross block, which is convenient for the staff to support the round plate during assembly and convenient for operation;

[0013] Through the coordination of cylinder body 1, inner cylinder, round plate, nut 1, rubber ring, cylinder body 2, flange, screw rod, screw rod 2, threaded rod, nut 2, nut 3 and supporting structure, when the device is in use, the square plate can drive the round rod to move together when the position of the cross block is adjusted. According to the position of the round rod pointing to the scale line, the staff can accurately adjust the telescopic joint to the appropriate distance, which is further convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2It is a schematic diagram of the structure of the cylinder body 1, the inner cylinder and the inclined cylinder of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the cylinder body 2 and the inclined cylinder of the utility model;

[0017] Figure 4 This is a schematic diagram of the straight plate, round rod and scale line structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the round rod, horizontal block and square plate structure of the utility model.

[0019] In the figure: 1. Cylinder body 1, 2. Support structure, 2a1. Horizontal block, 2a2. Square plate, 2a3. Straight plate, 2a4. Screw rod 1, 2a5. Round block, 2a6. Round rod, 2a7. Scale line, 2a8. Straight block, 2b1. Oblique cylinder, 3. Inner cylinder, 4. Round plate, 5. Nut 1, 6. Rubber ring, 7. Cylinder body 2, 8. Flange, 9. Screw rod, 10. Screw rod 2, 11. Threaded rod, 12. Nut 2, 13. Nut 3. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] Embodiment 1:

[0022] See attached Figure 1-5 In the present embodiment, a multi-specification TTJ telescopic short section assembly includes a cylinder 1, one end of the cylinder 1 is fixedly connected to an inner cylinder 3, one side of the outer wall of the inner cylinder 3 is gap-matched with a circular plate 4, one end of the circular plate 4 is fitted with a rubber ring 6, the rubber ring 6 plays a sealing role, one end of the rubber ring 6 is tightly fitted with a cylinder 2 7, the inner wall of one end of the cylinder 2 7 is gap-matched with one side of the outer wall of the inner cylinder 3, one end of the cylinder 2 7 is fitted with a flange 8, one end of the flange 8 is fixedly connected to a screw rod 9, one side of the outer wall of the screw rod 9 is threadedly connected to a nut 15, one end of the cylinder 2 7 is fixedly connected to the outside of the threaded rod 11, and the threaded rod 1 One side of the outer wall of 1 is clearance-matched with the inner wall of one side of the circular plate 4. When the threaded rod 11 is subjected to force, it can move left and right on the inner wall of one side of the circular plate 4. One side of the outer wall of the threaded rod 11 is threadedly connected with a nut 2 12. The inner wall clearance of one end of the cylinder 1 is clearance-matched with a screw 2 10. Two nuts 3 13 are threadedly connected to one side of the outer wall of the screw 2 10. One side of the outer wall of the screw 2 10 is clearance-matched with the front inner wall of the circular plate 4. One end of the screw 2 10 is clearance-matched with the inner wall clearance of one end of the cylinder 2 7. A support structure 2 is provided on one side of the cylinder 1. The support structure 2 is convenient for the staff to support the circular plate 4 during assembly, which is convenient for operation.

[0023] The supporting structure 2 includes a straight block 2a8, one end of which fits with one side of the outer wall of the cylinder body 1, a straight plate 2a3 is fixedly connected to the front end face of the straight block 2a8, an inner wall of one side of the straight plate 2a3 is threadedly connected to the inner wall of one side of the front end face of the cylinder body 1 through bolts, a square plate 2a2 is matched with the inner wall gap of one end of the straight plate 2a3, a horizontal block 2a1 is fixedly connected to the rear end side of the square plate 2a2, one end of the horizontal block 2a1 fits with one side of the outer wall of the circular plate 4, a screw rod 2a4 is fixedly connected to the top side of the square plate 2a2, the outer wall of the screw rod 2a4 fits with the clearance of the through groove on the top side of the straight plate 2a3, the screw rod 2a4 can move left and right in the through groove on the top side of the straight plate 2a3 when subjected to force, and the upper threaded connection of the outer wall of the screw rod 2a4 A round block 2a5 is connected, and a round rod 2a6 is fixedly connected to one side of the front end face of the square plate 2a2. The front of the outer wall of the round rod 2a6 is gap-matched with the through groove on one side of the front end face of the straight plate 2a3. A scale line 2a7 is processed on one side of the front end face of the straight plate 2a3. Turn the bolt to fix the straight plate 2a3 to one side of the front end face of the cylinder 27, move the horizontal block 2a1 to the right, and the horizontal block 2a1 fits with the round plate 4. Turn the round block 2a5 to make the round block 2a5 move downward on the outer wall of the screw 2a4, thereby realizing the positioning of the horizontal block 2a1, which is convenient for the staff to support the round plate 4 during assembly and convenient for operation. According to the position of the round rod 2a6 pointing to the scale line 2a7, it is convenient for the staff to accurately adjust the telescopic joint to the appropriate distance, which is further convenient for use.

[0024] Working principle:

[0025] First, insert the screw rod 2 10 into the inner wall of one side of the outer wall of the cylinder 1, rotate the two nuts 3 13 on the left side to move inward, thereby fixing the screw rod 2 10, rotate the bolts to fix the straight plate 2a3 to one side of the front end surface of the cylinder 2 7, move the cross block 2a1 to the right, and at the same time, the square plate 2a2 drives the round rod 2a6 to move together, according to the position of the round rod 2a6 pointing to the scale line 2a7, adjust the cross block 2a1 to the appropriate position, rotate the round block 2a5, so that the round block 2a5 moves downward on the outer wall of the screw rod 2a4, thereby fixing the cross block 2a 1, insert the circular plate 4 into the outer wall of the inner cylinder 3, and then make the horizontal block 2a1 fit with the circular plate 4, insert the screw rod 2 10 into the inner wall of the circular plate 4, put the rubber ring 6 on the outer wall side of the inner cylinder 3, insert the cylinder body 2 7 into the outer wall side of the inner cylinder 3, rotate the nut 3 13 on the right side to move right, and at the same time, the cylinder body 2 7 presses the rubber ring 6, and the threaded rod 11 is inserted into the inner wall of one side of the circular plate 4, rotate the nut 2 12, so that the nut 2 12 moves to the right on the outer wall of the threaded rod 11, and then realize the assembly of the telescopic joint, turn the bolt, and remove the straight plate 2a3.

[0026] Embodiment 2:

[0027] See attached Figure 1-5In the present embodiment, a multi-specification TTJ telescopic short section assembly is provided, wherein the supporting structure 2 may further include an inclined cylinder 2b1, and one side of the outer wall of the inclined cylinder 2b1 on the left and right sides is respectively fixedly connected to one side inner wall of the cylinder body 1 and one side inner wall of the cylinder body 2 7, and the inner wall of the inclined cylinder 2b1 on one side is clearance-matched with one side of the outer wall of the screw rod 9.

[0028] Working principle:

[0029] The arrangement of the inclined cylinder 2b1 makes it easier for workers to install the device. The inclined cylinder 2b1 can guide the bolts, making it easier to connect the bolts and nuts.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A multi-specification TTJ telescopic short section assembly, comprising a cylinder (1), characterized in that: One end of the cylinder body 1 (1) is fixedly connected to the inner cylinder (3); one side of the outer wall of the inner cylinder (3) is loosely fitted with a circular plate (4); one end of the circular plate (4) is fitted with a rubber ring (6); one end of the rubber ring (6) is tightly fitted with the cylinder body 2 (7); the inner wall of one end of the cylinder body 2 (7) is loosely fitted with one side of the outer wall of the inner cylinder (3); one end of the cylinder body 2 (7) is fitted with a flange (8); one end of the flange (8) is fixedly connected to a screw rod (9); one side of the outer wall of the screw rod (9) is threadedly connected with a nut 1 (5); and one side of the cylinder body 1 (1) is provided with a support structure (2).

2. A multi-specification TTJ telescopic short section assembly according to claim 1, characterized in that: The support structure (2) comprises a straight block (2a8), one end of the straight block (2a8) is fitted with one side of the outer wall of the cylinder (1), the front end face of the straight block (2a8) is fixedly connected with a straight plate (2a3), one side inner wall of the straight plate (2a3) is threadedly connected with the inner wall of one side of the front end face of the cylinder (1) through bolts, one end of the straight plate (2a3) is gap-fitted with a square plate (2a2), one side of the rear end of the square plate (2a2) is fixedly connected with a transverse block (2a1), one end of the transverse block (2a1) is fixedly connected with the outer wall of the circular plate (4), and one end of the transverse block (2a1) is fixedly connected with the outer wall of the circular plate (4). The square plate (2a2) is fixedly connected to a screw rod (2a4) on one side of the top, the outer wall of the screw rod (2a4) is gap-matched with a through groove on one side of the top of the straight plate (2a3), a round block (2a5) is threadedly connected to the upper part of the outer wall of the screw rod (2a4), a round rod (2a6) is fixedly connected to one side of the front end face of the square plate (2a2), the front of the outer wall of the round rod (2a6) is gap-matched with a through groove on one side of the front end face of the straight plate (2a3), and a scale mark (2a7) is processed on one side of the front end face of the straight plate (2a3).

3. A multi-specification TTJ telescopic short section assembly according to claim 1, characterized in that: A threaded rod (11) is fixedly connected to the outer side of one end of the second cylinder (7), and one side of the outer wall of the threaded rod (11) is gap-matched with the inner wall of one side of the circular plate (4).

4. A multi-specification TTJ telescopic short section assembly according to claim 3, characterized in that: One side of the outer wall of the threaded rod (11) is threadedly connected with a second nut (12).

5. The multi-specification TTJ telescopic short section assembly according to claim 1, characterized in that: The inner wall of one end of the barrel body 1 (1) is gap-fitted with a screw rod 2 (10), and one side of the outer wall of the screw rod 2 (10) is threadedly connected with two nuts 3 (13).

6. A multi-specification TTJ telescopic short section assembly according to claim 5, characterized in that: One side of the outer wall of the second screw (10) is in clearance fit with the front inner wall of the circular plate (4), and one end of the second screw (10) is in clearance fit with the inner wall of one end of the second barrel (7).

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