Compression-resistant leakage-proof oil pipe joint

Abstract

The utility model provides a compression-resistant leakproof oil pipe joint which comprises an oil pipe body, a lining is arranged on the inner side wall of the oil pipe body, an outer ring is arranged on the outer side of the oil pipe body in a sleeved mode, four tightening rings are connected to one end of the outer ring in a sliding mode, operation rings are connected to the outer sides of the four tightening rings in a threaded mode, and a limiting ring is rotatably connected to the inner wall of one end of each operation ring. The oil pipe has the advantages that the lining is inserted into the oil pipe body, the oil pipe body is sleeved with the outer ring, and therefore the operation ring can continuously tighten the tightening ring through rotation of the operation ring; according to the oil pipe joint, the inner wall of the tightening ring and the oil pipe body are attached to each other, so that the oil pipe body can be more stably fixed under the action of the tightening ring and the lining, the sealing effect between the whole oil pipe joint and the oil pipe is improved under the action of the upper joint and the lower straight joint, and the oil pipe body and the oil pipe joint are prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil pipe joint technical field, concretely relates to anti -pressure type anti -leakage oil pipe joint. BACKGROUND

[0002] The oil tank and the oil pipe, the oil pipe and the oil pipe of automobile adopt the oil pipe joint connection. At present, the oil pipe joint mainly has the following common defects:

[0003] In the traditional oil pipe using process, because the relative shape of the bushing in the oil pipe and the sealing ring outside is relatively fixed, when installing, the difficulty and accuracy of installing the bushing and the sealing ring between the oil pipe outside are increased, and then the convenience of connecting and installing the overall oil pipe joint and the oil pipe is reduced. UTILITY MODEL CONTENTS

[0004] The utility model discloses an anti -pressure type anti -leakage oil pipe joint, aims at solving the problem that the relative shape of the bushing in the oil pipe and the sealing ring outside is relatively fixed in the prior art, when installing, the difficulty and accuracy of installing the bushing and the sealing ring between the oil pipe outside are increased, and then the convenience of connecting and installing the overall oil pipe joint and the oil pipe is reduced.

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

[0006] Anti -pressure type anti -leakage oil pipe joint, including the oil pipe body, the inner side wall of oil pipe body is provided with the bushing, the outside of oil pipe body is equipped with the outer ring, one end of outer ring is connected with four tightening rings slidingly, the outer side of four tightening rings is connected with the operating ring, one end of operating ring inner wall is connected with the limit ring rotationally, the outside of oil pipe body is equipped with the upper joint, the inner side wall of upper joint is connected with the outer side of limit ring slidingly, the outer side of upper joint is connected with the lower straight -through threadedly.

[0007] As the utility model is preferred, the top end inner wall of upper joint is connected with the limit rod slidingly, the top end of limit rod is fixedly installed with the top plate, the outer side of limit ring is equipped with a plurality of limit holes, and the inner side wall of one limit hole is connected with the outer side of limit rod.

[0008] As the utility model is preferred, the bottom end of top plate is fixedly installed with a plurality of limit springs, and the bottom end of a plurality of limit springs is fixedly connected with the inner side wall of upper joint.

[0009] As the utility model is preferred, the outer side of upper joint and lower straight -through is equipped with the protection ring, the inner side wall of protection ring is fixedly installed with a plurality of support rods, and the bottom end of a plurality of support rods is fixedly connected with the outer side of upper joint and lower straight -through respectively.

[0010] As the utility model preferred, the outer side of the support rod is sleeved with the compression spring, the top end of the compression spring is fixedly connected with the inner side wall of the protective ring, and the bottom end of the compression spring is fixedly connected with the upper joint and the outer side of the lower straight-through.

[0011] As the utility model preferred, the inner side wall of the lower straight-through is fixedly installed with the sealing rubber ring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1) the bushing is inserted into the inside of the oil pipe body, and the outer ring is sleeved on the outside of the oil pipe body, so that the operating ring can continuously tighten the tightening ring by rotating, the fitting effect between the inner wall of the tightening ring and the oil pipe body is increased, the oil pipe body is more stably fixed by the action of the tightening ring and the bushing, and the action between the upper joint and the lower straight-through, so that the sealing effect between the overall oil pipe joint and the oil pipe is improved, and the oil pipe body and the oil pipe joint are prevented from falling off.

[0014] 2) the top plate drives the limiting rod to slide in the upper joint, and after the operating ring drives the limiting ring to slide to the appropriate position in the upper joint, the limiting rod is inserted into the limiting hole in the limiting ring, so that the position of the operating ring is more convenient to fix, and the anti-pressure effect of the upper joint and the lower straight-through under external force is increased by the action of the protective ring, the supporting rod and the compression spring in the protective ring. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the lower straight-through of the utility model;

[0018] Figure 3 It is the internal structure schematic view of the upper joint of the utility model;

[0019] Figure 4 It is the internal structure schematic view of the operating ring of the utility model;

[0020] Figure 5 It is the structure schematic view of the protective ring of the utility model.

[0021] In the figure: 1, oil pipe body; 2, bushing; 3, outer ring; 31, tightening ring; 32, operating ring; 33, limiting ring; 34, limiting hole; 4, upper joint; 41, limiting rod; 42, top plate; 43, limiting spring; 5, lower straight-through; 51, sealing rubber ring; 6, protective ring; 61, support rod; 62, compression spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: the anti-pressure anti-leakage oil pipe joint, including oil pipe body 1, the inner side wall of oil pipe body 1 is provided with bushing 2, the outside of oil pipe body 1 is provided with outer ring 3, one end of outer ring 3 is slidably connected with four tightening rings 31, the outside of four tightening rings 31 is threadedly connected with operating ring 32, the inner wall of one end of operating ring 32 is rotatably connected with limiting ring 33, the outside of oil pipe body 1 is provided with upper joint 4, the inner side wall of upper joint 4 is slidably connected with the outside of limiting ring 33, the outside of upper joint 4 is threadedly connected with lower straight-through 5.

[0024] When using the oil pipe joint, bushing 2 can be inserted into the inside of oil pipe body 1, and then outer ring 3 can be provided on the outside of oil pipe body 1. At this time, operating ring 32 on the outside thereof can be operated to rotate, so that operating ring 32 can continuously tighten tightening ring 31. Tightening ring 31 slides on outer ring 3 and moves to the outside wall of oil pipe body 1 to adhere, thereby increasing the fixing effect between the inner wall of tightening ring 31 and oil pipe body 1. Thus, oil pipe body 1 can be more stably fixed by the action of tightening ring 31 and bushing 2. Then, by inserting upper joint 4 and operating ring 32, the front end of upper joint 4 contacts the outside of outer ring 3 and bushing 2, and the position of limiting ring 33 in the inside of upper joint 4 is fixed, thereby achieving the effect of fixing the position of operating ring 32 in the inside of upper joint 4. Then, by the threaded connection between upper joint 4 and lower straight-through 5, the outside of bushing 2 is connected with lower straight-through 5, thereby achieving the effect of fixing and connecting the oil pipe. The sealing effect between the overall oil pipe joint and the oil pipe is improved, and the oil pipe body 1 and the oil pipe joint are prevented from falling off.

[0025] Preferably, the top end inner wall of the upper connector 4 is slidingly connected with a limiting rod 41, the top end of the limiting rod 41 is fixedly installed with a top plate 42, and the outer side of the limiting ring 33 is provided with a plurality of limiting holes 34, and the inner side wall of one of the limiting holes 34 is in penetrating connection with the outer side of the limiting rod 41.

[0026] In specific use, after the upper connector 4 contacts the outer side of the outer ring 3 and the outer side of the bushing 2, the limiting ring 33 is slid in the upper connector 4 to a suitable position, the limiting rod 41 is driven by the top plate 42 to slide in the upper connector 4, and the limiting rod 41 is inserted into the limiting hole 34 on the limiting ring 33, so that the position of the operating ring 32 is more convenient to fix.

[0027] Preferably, the bottom end of the top plate 42 is fixedly installed with a plurality of limiting springs 43, and the bottom ends of the limiting springs 43 are fixedly connected with the inner side wall of the upper connector 4.

[0028] In specific use, when the top plate 42 is not subjected to upward pulling force, the limiting springs 43 are used to act on the force between the top plate 42 and the upper connector 4, so that the top plate 42 moves to the inside of the upper connector 4, the limiting rod 41 is inserted into the limiting hole 34 on the limiting ring 33, the distance between the limiting ring 33 and the upper connector 4 is fixed, and the position of the operating ring 32 is fixed.

[0029] Preferably, the outer sides of the upper connector 4 and the lower straight-through 5 are sleeved with a protective ring 6, the inner side wall of the protective ring 6 is fixedly installed with a plurality of supporting rods 61, and the bottom ends of the supporting rods 61 are respectively fixedly connected with the outer sides of the upper connector 4 and the lower straight-through 5.

[0030] In specific use, the upper connector 4 and the lower straight-through 5 are protected from external compression by the protective ring 6, and the compression resistance of the upper connector 4 and the lower straight-through 5 under external force is increased by the supporting rods 61 inside.

[0031] Preferably, the outer side of the supporting rod 61 is sleeved with a compression spring 62, the top end of the compression spring 62 is fixedly connected with the inner side wall of the protective ring 6, and the bottom end of the compression spring 62 is respectively fixedly connected with the outer sides of the upper connector 4 and the lower straight-through 5.

[0032] In specific use, the upper connector 4 and the lower straight-through 5 and the protective ring 6 can further be protected from external compression by the compression spring 62, and the compression resistance of the upper connector 4 and the lower straight-through 5 under external force is further improved.

[0033] Preferably, the inner side wall of the lower straight-through 5 is fixedly installed with a sealing rubber ring 51.

[0034] In specific use, when the lower straight-through 5 is connected with the upper connector 4, the sealing rubber ring 51 inside the lower straight-through 5 contacts the bushing 2, so that the sealing effect between the lower straight-through 5 and the bushing 2 is increased by the sealing rubber ring 51.

[0035] It should be pointed out finally that: the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. Anti-pull-through leakproof tubing joint of the compression type, comprising a tubing body (1), characterized in that, The inner side wall of the oil pipe body (1) is provided with a bushing (2), the outer side of the oil pipe body (1) is provided with an outer ring (3), one end of the outer ring (3) is slidably connected with four tightening rings (31), the outer sides of the four tightening rings (31) are threadedly connected with an operating ring (32), the inner wall of one end of the operating ring (32) is rotatably connected with a limiting ring (33), the outer side of the oil pipe body (1) is provided with an upper joint (4), the inner side wall of the upper joint (4) is slidably connected with the outer side of the limiting ring (33), and the outer side of the upper joint (4) is threadedly connected with a lower straight-through (5).

2. A crush-type leak-proof tubing fitting according to claim 1, wherein: The inner wall of the top end of the upper joint (4) is slidably connected with a limiting rod (41), the top end of the limiting rod (41) is fixedly installed with a top plate (42), the outer side of the limiting ring (33) is provided with a plurality of limiting holes (34), and the inner side wall of one of the limiting holes (34) is penetratingly connected with the outer side of the limiting rod (41).

3. A crush-type leak-proof tubing fitting according to claim 2, wherein: The bottom end of the top plate (42) is fixedly installed with a plurality of limiting springs (43), and the bottom ends of the plurality of limiting springs (43) are fixedly connected with the inner side wall of the upper joint (4).

4. The crush-type leak-proof tubing fitting of claim 1, wherein: The outer sides of the upper joint (4) and the lower straight-through (5) are both provided with a protective ring (6), the inner side wall of the protective ring (6) is fixedly installed with a plurality of supporting rods (61), and the bottom ends of the plurality of supporting rods (61) are respectively fixedly connected with the outer sides of the upper joint (4) and the lower straight-through (5).

5. A crush-type leak-proof tubing fitting according to claim 4, wherein: The outer side of the supporting rod (61) is provided with a compression spring (62), the top end of the compression spring (62) is fixedly connected with the inner side wall of the protective ring (6), and the bottom end of the compression spring (62) is respectively fixedly connected with the outer sides of the upper joint (4) and the lower straight-through (5).

6. The crush-type leak-proof tubing fitting of claim 1, wherein: The inner side wall of the lower straight-through (5) is fixedly installed with a sealing rubber ring (51).

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