CN208871224U - A kind of corrosion-proof elbow pipe - Google Patents

Abstract

The utility model discloses a kind of corrosion-proof elbow pipes, including bend pipe, the upper and lower side inner surface of the bend pipe slidably connects connecting tube, outer surface is equipped with sealing ring at the tube head of the connecting tube, the bend pipe and the outer surface of connecting tube are equipped with first flange piece and second flange piece, nut has been bolted in the inner surface of the first flange piece and second flange piece, the upper and lower side outer surface of the bend pipe is fixedly connected with fixed ring, the upper and lower side outer surface of the bend pipe slidably connects slip ring and the first spring, the upper and lower surface of first spring is fixedly connected on the outer surface of fixed ring and slip ring, the outer surface of the slip ring is fixedly connected with positioning wedged block, the corrosion-proof elbow pipe, stability after improving connection.

Description

A kind of corrosion-proof elbow pipe

Technical field

The utility model relates to corrosion-proof elbow pipe technical field, specially a kind of corrosion-proof elbow pipe.

Background technique

Corrosion-resistant thermal insulation bend pipe is to use the progress of complete bending mould curved, no matter is divided into cold stewing and picks two kinds of techniques It is any machinery equipment and pipeline, major part all uses bend pipe, mainly to oil transportation, gas transmission, infusion etc., in existing anti-corrosion Bend pipe is mostly flanged joint in connection, and the nut when long-time uses is steady after connection it is possible that the phenomenon that loosening It is qualitative bad.

Utility model content

The purpose of this utility model is to provide a kind of corrosion-proof elbow pipes, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of corrosion-proof elbow pipe, including bend pipe, described The upper and lower side inner surface of bend pipe slidably connects connecting tube, and outer surface is equipped with sealing ring, institute at the tube head of the connecting tube The outer surface for stating bend pipe and connecting tube is equipped with first flange piece and second flange piece, the first flange piece and second flange piece Inner surface nut has been bolted；

The upper and lower side outer surface of the bend pipe is fixedly connected with fixed ring, the upper and lower side outer surface sliding of the bend pipe It is connected with slip ring and the first spring, the upper and lower surface of first spring is fixedly connected on the outside table of fixed ring and slip ring The outer surface in face, the slip ring is fixedly connected with positioning wedged block.

Preferably, the outer surface of the positioning wedged block is stuck in the inner surface of nut by locating slot.

Preferably, the front and back end inner surface of the fixed ring slidably connects second spring and clamp by sliding slot.

Preferably, the front and back end upper surface of the slip ring is fixedly connected with U-loop, and the inner surface of U-loop is equipped with logical Slot, the outer surface of clamp are slidably connected at the inner surface of U-loop by through slot.

Preferably, the lower surface of the nut is equipped with gasket.

Compared with prior art, the utility model has the beneficial effects that the corrosion-proof elbow pipe, after screw bolt and nut connection, It drives slip ring to fall by the first spring, by driving positioning wedged block to stick into the locating slot in nut, nut can be turned To being positioned, will not cause to loosen when long-time uses, the stability after improving connection.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the positioning wedged block and nut connection relationship top cross-sectional view of the utility model；

Fig. 3 is enlarged drawing at the A of the utility model；

Fig. 4 is enlarged drawing at the B of the utility model.

In figure: 1 bend pipe, 2 connecting tubes, 3 sealing rings, 4 first flange pieces, 5 second flange pieces, 6 bolts, 7 nuts, 8 are fixed Ring, 9 slip rings, 10 first springs, 11 positioning wedged blocks, 12 locating slots, 13 sliding slots, 14 second springs, 15 clamps, 16U shape ring, 17 Through slot, 18 gaskets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of corrosion-proof elbow pipe, including bend pipe 1, bend pipe 1 Upper and lower side inner surface slidably connects connecting tube 2, and outer surface is equipped with sealing ring 3, bend pipe 1 and company at the tube head of connecting tube 2 The outer surface of adapter tube 2 is equipped with first flange piece 4 and second flange piece 5, the inside table of first flange piece 4 and second flange piece 5 Face is connected with nut 7 by bolt 6, and sealing ring 3 can increase the leakproofness of connecting tube 2；

The upper and lower side outer surface of bend pipe 1 is fixedly connected with fixed ring 8, and the upper and lower side outer surface of bend pipe 1 is slidably connected There are slip ring 9 and the first spring 10, the upper and lower surface of the first spring 10 is fixedly connected on the outside table of fixed ring 8 and slip ring 9 Face, the outer surface of slip ring 9 are fixedly connected with positioning wedged block 11；

The outer surface of positioning wedged block 11 is stuck in the inner surface of nut 7 by locating slot 12, this be in order to when in use, After connecting tube 2 is inserted in bend pipe 1, at this moment first flange piece 4 and second flange piece 5 merge, and at this moment install bolt 6 and spiral shell At this moment mother 7 can squeeze fixed ring 8 by the first spring 10 and generate elastic force, slip ring 9 can be driven to fall, drive positioning wedged block 11 It sticks into the locating slot 12 of nut 7, the steering of nut 7 can be positioned simultaneously, not will lead to nut 7 when long-time uses It loosens；

The front and back end inner surface of fixed ring 8 slidably connects second spring 14 and clamp 15, clamp 15 by sliding slot 13 For convex ball head structure；

The front and back end upper surface of slip ring 9 is fixedly connected with U-loop 16, and the inner surface of U-loop 16 is equipped with through slot 17, card First 15 outer surface is slidably connected at the inner surface of U-loop 16 by through slot 17, this is when in use, to pass through U-loop 16 pull up the rising of slip ring 9, are at this moment chamfering structure by 16 upper end of U-loop, can easily squeeze into clamp 15, then lead to The elastic force of second spring 14 is crossed, clamp 15 can be driven to pop up, stick into the through slot 17 in U-loop 16, slip ring 9 can be determined Position will not cause to stop when mounting and dismounting bolt 6 and nut 7.

The lower surface of nut 7 is equipped with gasket 18, and the compactness that nut 7 is connected with can be improved in gasket 18.

When the utility model is specifically implemented: when in use, after connecting tube 2 is inserted in bend pipe 1, at this moment the first method Blue piece 4 and second flange piece 5 merge, and at this moment install bolt 6 and nut 7, at this moment can squeeze fixed ring 8 by the first spring 10 and produce Raw elastic force, can drive slip ring 9 to fall, and positioning wedged block 11 is driven to stick into the locating slot 12 of nut 7 simultaneously, can be to nut 7 Steering is positioned, and not will lead to nut 7 when long-time uses and is loosened, when in use, pulls up sliding by U-loop 16 Ring 9 rises, and is at this moment chamfering structure by 16 upper end of U-loop, can easily squeeze into clamp 15, then pass through second spring 14 Elastic force can drive clamp 15 to pop up, stick into the through slot 17 in U-loop 16, can position to slip ring 9, will not install It causes to stop when with demounting bolt 6 and nut 7.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of corrosion-proof elbow pipe, including bend pipe (1), it is characterised in that: the upper and lower side inner surface of the bend pipe (1) is slidably connected Have connecting tube (2), outer surface is equipped with sealing ring (3), the bend pipe (1) and connecting tube (2) at the tube head of the connecting tube (2) Outer surface be equipped with first flange piece (4) and second flange piece (5), the first flange piece (4) and second flange piece (5) Inner surface is connected with nut (7) by bolt (6)；

The upper and lower side outer surface of the bend pipe (1) is fixedly connected with fixed ring (8), table on the outside of the upper and lower side of the bend pipe (1) Face slidably connects slip ring (9) and the first spring (10), and the upper and lower surface of first spring (10) is fixedly connected on fixation The outer surface of the outer surface of ring (8) and slip ring (9), the slip ring (9) is fixedly connected with positioning wedged block (11).

2. a kind of corrosion-proof elbow pipe according to claim 1, it is characterised in that: the outer surface of the positioning wedged block (11) is logical Cross the inner surface that locating slot (12) is stuck in nut (7).

3. a kind of corrosion-proof elbow pipe according to claim 1, it is characterised in that: table on the inside of the front and back end of the fixed ring (8) Face slidably connects second spring (14) and clamp (15) by sliding slot (13).

4. a kind of corrosion-proof elbow pipe according to claim 1, it is characterised in that: the front and back end upper surface of the slip ring (9) It is fixedly connected with U-loop (16), the inner surface of U-loop (16) is equipped with through slot (17), and the outer surface of clamp (15) passes through logical Slot (17) is slidably connected at the inner surface of U-loop (16).

5. a kind of corrosion-proof elbow pipe according to claim 1, it is characterised in that: the lower surface of the nut (7) is equipped with gasket (18)。