Multi-stage high-low pressure oil pipe

Abstract

The utility model discloses a multi-stage high-low pressure oil pipe which comprises a pipe body, a clamping block frame and an embedding frame are fixedly connected to the surface of the oil pipe body, the embedding frame is fixedly connected to the surface of the pipe body and located on the right side of the clamping block frame, and the surface of the embedding frame is sleeved with the limiting frame. According to the multi-stage high-low pressure oil pipe, the pipe body, the clamping block frame, the embedding frame and the limiting frame are matched with one another, two oil pipes are connected, the limiting insertion rod is aligned with the limiting groove, at the moment, the clamping block in the limiting frame is aligned with the guide groove, the clamping block is pushed to reach the position of the rotating groove under the springback of the telescopic spring, and the limiting frame is rotated; under the resilience force of the extrusion spring, the clamping block is clamped into the clamping groove, meanwhile, the limiting insertion rod is inserted into the limiting groove, it is guaranteed that the limiting frame does not loosen, and meanwhile the strength of the connecting position is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of high and low pressure oil pipes, in particular to a multi-stage high and low pressure oil pipe. Background Art

[0002] Oil pipelines are suitable for various machines in the prior art. During use, they need to withstand high or low pressure conditions according to different usage requirements. The high and low pressure oil pipelines in the prior art are connected through flanges during the connection process, which is troublesome to install and has poor stability in the connection position. Therefore, it is necessary to propose a multi-stage high and low pressure oil pipeline. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a multi-stage high and low pressure oil pipe.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A multi-stage high-low pressure oil pipe comprises: a pipe body, a block frame is fixedly connected to the surface of the pipe body;

[0006] An embedded frame, which is fixedly connected to the surface of the tube body and is located on the right side of the block frame;

[0007] The limiting frame is sleeved on the surface of the embedded frame.

[0008] The above-mentioned multi-stage high and low pressure oil pipe, wherein the pipe body comprises:

[0009] An inner tube body, a reinforcing tube being fixedly connected to the surface of the inner tube body;

[0010] A wear-resistant outer tube is fixedly connected to the surface of the reinforced tube; the wear-resistant outer tube, the reinforced tube and the inner tube body are connected in an alternating manner.

[0011] The above-mentioned multi-stage high and low pressure oil pipe, wherein the surface of the block frame is provided with a guide groove;

[0012] A rotation groove, which is formed on the surface of the block frame and communicates with the guide groove;

[0013] A card slot, the card slot is connected to the rotation slot;

[0014] The limiting groove is arranged on the left side of the block frame.

[0015] The above-mentioned multi-stage high and low pressure oil pipe, wherein a movable groove is provided inside the embedded frame;

[0016] A limit rod, wherein the limit rod can move inside the movable groove;

[0017] An extrusion block, wherein the extrusion block is fixedly connected to the limiting plug rod;

[0018] The extrusion spring is sleeved on the surface of the limiting plug rod and connected to the inner wall of the movable groove.

[0019] The above-mentioned multi-stage high and low pressure oil pipe, wherein the surface of the embedded frame is provided with an adjustment groove;

[0020] An adjusting ring 1, wherein the adjusting ring 1 is movable inside the adjusting groove;

[0021] A telescopic spring connects the adjusting ring 1 with the adjusting groove.

[0022] The above-mentioned multi-stage high and low pressure oil pipe, wherein the interior of the limit frame is fixedly connected with an extrusion ring;

[0023] The second adjusting ring is fixedly connected to the inner wall of the limiting frame;

[0024] A clamping block is fixedly connected to the interior of the limiting frame.

[0025] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0026] 1. The utility model realizes a multi-stage high and low pressure oil pipe by the mutual cooperation between the pipe body, the block frame, the embedded frame and the limit frame. The two oil pipes are connected, and the limit plug rod is aligned with the limit groove. At this time, the block inside the limit frame is aligned with the guide groove, and the block is pushed to the position of the rotating groove under the rebound of the telescopic spring. The limit frame is rotated, and the block is inserted into the slot under the rebound force of the extrusion spring. At the same time, the limit plug rod is inserted into the limit groove, which ensures that the limit frame will not loosen and the strength of the connection is guaranteed.

[0027] 2. In the utility model, the provided pipe body ensures the stability of the connection and the sealing of the connection at the same time due to the staggered connection design of the wear-resistant outer pipe, the reinforcement pipe and the inner pipe body.

[0028] 3. In the utility model, the telescopic spring is provided to limit the limit frame through a pair of adjusting rings to prevent the adjusting frame from loosening.

[0029] 4. In the present invention, the reinforced pipe is provided, which greatly improves the strength of the pipe body and prolongs the service life of the pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural cross-sectional view of the main view of the utility model;

[0031] Figure 2 It is a structural schematic diagram of the left view of the utility model;

[0032] Figure 3 This is a structural schematic diagram of the clamping block frame, guide groove, rotating groove and clamping groove of the utility model;

[0033] Figure 4 For this utility model Figure 1 A partial enlarged view of middle A;

[0034] Figure 5 For this utility model Figure 1 A partial enlarged view of B.

[0035] In the figure:

[0036] 1 tube body, 101 inner tube body, 102 reinforced tube, 103 wear-resistant outer tube, 2 block frame, 3 embedded frame, 4 limit frame, 5 guide groove, 6 rotating groove, 7 slot, 8 limit groove, 9 movable groove, 10 limit plug rod, 11 extrusion block, 12 extrusion spring, 13 adjustment slot, 14 adjustment ring 1, 15 telescopic spring, 16 extrusion ring, 17 adjustment ring 2, 18 block. DETAILED DESCRIPTION

[0037] 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.

[0038] like Figure 1-5 As shown, a multi-stage high and low pressure oil pipe comprises: a pipe body 1, the pipe body 1 comprises:

[0039] The inner tube body 101 has a reinforcing tube 102 fixedly connected to its surface, which greatly improves the strength of the tube body 1 and prolongs its service life.

[0040] The wear-resistant outer tube 103 is fixedly connected to the surface of the reinforced tube 102. The wear-resistant outer tube 103, the reinforced tube 102 and the inner tube body 101 are connected in an alternating manner. Due to the staggered connection design of the wear-resistant outer tube 103, the reinforced tube 102 and the inner tube body 101, the stability of the connection is guaranteed while ensuring the sealing of the connection.

[0041] A block frame 2 is fixedly connected to the surface of the oil pipe body 1 , and a guide groove 5 is formed on the surface of the block frame 2 .

[0042] The rotating groove 6 is formed on the surface of the block frame 2 and is communicated with the guide groove 5 .

[0043] The card slot 7 is communicated with the rotation slot 6 .

[0044] The limiting groove 8 is arranged on the left side of the block frame 2 .

[0045] The embedded frame 3 has an adjustment groove 13 on its surface.

[0046] The adjusting ring 14 can move inside the adjusting groove 13.

[0047] The telescopic spring 15 connects the adjusting ring 14 with the adjusting groove 13 .

[0048] The embedding frame 3 is fixedly connected to the surface of the tube body 1 and is located on the right side of the block frame 2 . A movable groove 9 is provided inside the embedding frame 3 .

[0049] The limiting rod 10 can move inside the movable groove 9.

[0050] The extrusion block 11 is fixedly connected to the limiting rod 10 .

[0051] The extrusion spring 12 is sleeved on the surface of the limiting plug rod 10 and connected to the inner wall of the movable groove 9 .

[0052] The limiting frame 4 is sleeved on the surface of the embedding frame 3 , and an extrusion ring 16 is fixedly connected inside the limiting frame 4 .

[0053] The second adjusting ring 17 is fixedly connected to the inner wall of the limiting frame 4 .

[0054] The card block 18 is fixedly connected to the inside of the limit frame 4, connecting the two oil pipes, and the limit rod 10 is aligned with the limit groove 8. At this time, the card block 18 inside the limit frame 4 is aligned with the guide groove 5. Under the rebound of the telescopic spring 15, the card block 18 is pushed to the position of the rotating groove 6, and the limit frame 4 is rotated. Under the rebound force of the extrusion spring 15, the card block 18 is inserted into the card groove 7. At the same time, the limit rod 10 is inserted into the limit groove 8, ensuring that the limit frame 4 will not loosen while ensuring the strength of the connection.

[0055] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0056] The utility model provides a multi-stage high and low pressure oil pipe. When in use, two oil pipes are connected, and the limit rod 10 is aligned with the limit groove 8. At this time, the clamping block 18 inside the limit frame 4 is aligned with the guide groove 5. Under the rebound of the telescopic spring 15, the clamping block 18 is pushed to the position of the rotating groove 6. The limit frame 4 is rotated, and under the rebound force of the extrusion spring 15, the clamping block 18 is clamped into the clamping groove 7. At the same time, the limit rod 10 is inserted into the limit groove 8 to ensure that the limit frame 4 will not loosen.

[0057] In summary, the multi-stage high and low pressure oil pipe solves the problems mentioned in the background technology through the cooperation among the pipe body 1, the block frame 2, the embedding frame 3 and the limiting frame 4.

[0058] 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 multi-stage high and low pressure oil pipe, comprising: The tube body (1) is characterized in that a block frame (2) is fixedly connected to the surface of the tube body (1); An embedded frame (3), the embedded frame (3) is fixedly connected to the surface of the tube body (1) and is located on the right side of the block frame (2); A limiting frame (4), wherein the limiting frame (4) is sleeved on the surface of the embedded frame (3).

2. The multi-stage high and low pressure oil pipe according to claim 1, characterized in that: The tube body (1) comprises: An inner tube body (101), a reinforcing tube (102) being fixedly connected to the surface of the inner tube body (101); A wear-resistant outer tube (103), wherein the wear-resistant outer tube (103) is fixedly connected to the surface of the reinforcement tube (102), and the wear-resistant outer tube (103), the reinforcement tube (102) and the inner tube body (101) are connected in an alternating manner.

3. The multi-stage high and low pressure oil pipe according to claim 2, characterized in that: A guide groove (5) is provided on the surface of the block frame (2); A rotating groove (6), wherein the rotating groove (6) is formed on the surface of the block frame (2) and is connected to the guide groove (5); A card slot (7), wherein the card slot (7) is connected to the rotation slot (6); A limiting groove (8), wherein the limiting groove (8) is arranged on the left side of the block frame (2).

4. The multi-stage high and low pressure oil pipe according to claim 3, characterized in that: A movable groove (9) is provided inside the embedded frame (3); A limiting rod (10), wherein the limiting rod (10) is movable inside the movable groove (9); An extrusion block (11), wherein the extrusion block (11) is fixedly connected to the limiting plug rod (10); A pressing spring (12) is sleeved on the surface of the limiting plug rod (10) and connected to the inner wall of the movable groove (9).

5. The multi-stage high and low pressure oil pipe according to claim 4, characterized in that: An adjustment groove (13) is provided on the surface of the embedding frame (3); An adjusting ring (14), wherein the adjusting ring (14) is movable inside the adjusting groove (13); A telescopic spring (15) connects the adjusting ring 1 (14) and the adjusting groove (13).

6. The multi-stage high and low pressure oil pipe according to claim 5, characterized in that: An extrusion ring (16) is fixedly connected inside the limiting frame (4); A second adjusting ring (17), wherein the second adjusting ring (17) is fixedly connected to the inner wall of the limiting frame (4); A clamping block (18), wherein the clamping block (18) is fixedly connected to the interior of the limiting frame (4).

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