CN219975700U - Cutting ferrule type steel pipe assembly for hydraulic pipeline - Google Patents

Abstract

The utility model discloses a clamping sleeve type steel pipe assembly for a hydraulic pipeline, which relates to the technical field of hydraulic pipeline steel pipe assemblies, improves threaded connection between nuts and bolts at the joint, reduces the stability of the joint due to the lack of a supporting structure in the joint, and can not cope with pressure change in the hydraulic pipe, and the phenomenon that liquid at the joint is easy to leak after long-time use. The utility model can carry out quick connection on the hydraulic pipeline, increases the convenience of installation, further seals and dustproof connection on the connection part of the hydraulic pipeline, and buffers the pressure change in the hydraulic pipeline, thereby preventing the phenomenon of liquid leakage at the connection part caused by overlarge internal pressure and long-time use.

Description

Cutting ferrule type steel pipe assembly for hydraulic pipeline

Technical Field

The utility model relates to the technical field of hydraulic pipeline steel pipe assemblies, in particular to a clamping sleeve type steel pipe assembly for a hydraulic pipeline.

Background

The cutting sleeve type steel pipe assembly for the hydraulic pipeline is a common connecting element in a hydraulic transmission system, and plays roles in connecting, transferring hydraulic energy and the like in the hydraulic system. It is usually composed of steel pipe, cutting ferrule and connector.

During the use, use the buckle to install steel pipe and hydraulic pressure pipeline and splice to this is hydraulic structure and connects and pass.

The steel pipe assembly is installed among the hydraulic pressure pipeline, and the stability of its junction is lower, because its junction is through the threaded connection between nut and the bolt more, and its inside lacks bearing structure, has reduced the stability of its junction, and the junction can not deal with the inside pressure variation of hydraulic pressure pipe, and the long-time use easily causes the liquid leakage of junction, consequently the needs put forward a cutting ferrule type steel pipe assembly for hydraulic pressure pipeline.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a clamping sleeve type steel pipe assembly for a hydraulic pipeline.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the clamping sleeve type steel pipe assembly for the hydraulic pipeline comprises a straight pipe, wherein two ends of the straight pipe are fixedly connected with open pipes, one end of each open pipe is fixedly connected with a clamping buckle assembly, and the inner wall of each open pipe is fixedly connected with a dustproof sealing assembly;

the buckle assembly comprises a plurality of elastic clamping frames which are uniformly distributed and fixedly arranged at the other end of the open pipe in circumference, the outer walls of the elastic clamping frames are movably connected with an inner cone, one end, far away from the straight pipe, of the inner cone is fixedly connected with a fastening nut, and the inner wall of the fastening nut is movably connected with a splicing pipe;

the dustproof sealing assembly comprises an annular groove arranged on the inner wall of the fastening nut, wherein a rubber ring is movably connected to the inner wall of the annular groove, and a conical rubber tube is fixedly connected to one end, away from the fastening nut, of the rubber ring.

As a preferable scheme of the cutting sleeve type steel pipe assembly for the hydraulic pipeline, one end of the inner wall of the straight pipe is fixedly connected with a conical pipe, one end of the conical pipe, which is close to a spliced pipe, is uniformly and fixedly connected with a plurality of arc-shaped clamping grooves in a circumferential manner, and the arc-shaped clamping grooves are movably connected with the spliced pipe.

As a preferable scheme of the clamping sleeve type steel pipe assembly for the hydraulic pipeline, the outer wall of the open pipe is movably connected with the auxiliary nut, one side, close to the straight pipe, of the open pipe is fixedly connected with the second limiting ring plate, and the second limiting ring plate is movably connected with the auxiliary nut.

As a preferable scheme of the clamping sleeve type steel pipe assembly for the hydraulic pipeline, one side, far away from the straight pipe, of the spliced pipe is fixedly connected with a first limiting ring plate, and the first limiting ring plate is movably connected with the fastening nut.

As a preferable scheme of the cutting sleeve type steel pipe assembly for the hydraulic pipeline, the other end of the conical rubber pipe is fixedly connected with a positioning ring plate, and the positioning ring plate is fixedly connected with the straight pipe.

(III) beneficial effects

The utility model provides a cutting sleeve type steel pipe assembly for a hydraulic pipeline. The beneficial effects are as follows:

1. through inserting the splice tube into the open pipe of stay tube, be connected with the arc draw-in groove that the conical tube is connected, after accomplishing, rotate fastening nut, be close to the straight tube, drive interior cone and move to a plurality of elasticity clamping frame, along with the gradient of interior cone inner wall, make a plurality of elasticity clamping frame to the intermediate motion, the joint is at the outer wall of splice tube, with this will splice tube and straight tube are connected, after accomplishing, rotate the auxiliary nut again, move to fastening nut, make its auxiliary nut laminate with fastening nut, cover a plurality of elasticity clamping frame, thereby can carry out inside joint when connecting steel pipe assembly fast, the stability of junction is increased.

2. Support connectivity between elastic clamping frame and the rubber circle, support the toper rubber tube among a plurality of elastic clamping frame, fastening nut moves to the straight tube immediately, make among the annular groove among the rubber circle entering fastening nut, with this have the toper rubber tube with carry out further connection between straight tube and the concatenation pipe, and buffer by the toper rubber tube for the pressure variation that causes when the inside liquid flow of hydraulic pressure pipe, thereby can carry out further sealed dustproof connection to the hydraulic pressure pipe junction, and buffer the inside pressure variation of hydraulic pressure pipe, prevent that its internal pressure is too big, long-time use causes the phenomenon that the junction appears the weeping.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;

fig. 4 is an enlarged schematic view of the structure at B in fig. 3.

In the figure, 1, a straight pipe; 2. an open pipe; 3. splicing pipes; 4. a first stop collar plate; 5. a clasp assembly; 501. a fastening nut; 502. an inner cone; 503. an auxiliary nut; 504. an elastic clamping frame; 505. a conical tube; 506. an arc-shaped clamping groove; 6. a dust seal assembly; 601. positioning ring plates; 602. a conical rubber tube; 603. a rubber ring; 604. an annular groove; 7. and the second limiting ring plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in a first embodiment of the present utility model, the embodiment provides a ferrule-type steel pipe assembly for a hydraulic pipeline, which comprises a straight pipe 1, wherein both ends of the straight pipe 1 are fixedly connected with an open pipe 2, one end of the open pipe 2 is fixedly connected with a buckle assembly 5, and the inner wall of the open pipe 2 is fixedly connected with a dust-proof sealing assembly 6;

the buckle assembly 5 comprises a plurality of elastic clamping frames 504 which are uniformly distributed and fixedly arranged at the other end of the open pipe 2 in circumference, an inner cone 502 is movably connected to the outer wall of the plurality of elastic clamping frames 504, a fastening nut 501 is fixedly connected to one end, away from the straight pipe 1, of the inner cone 502, and a splicing pipe 3 is movably connected to the inner wall of the fastening nut 501.

Specifically, the one end fixedly connected with conical tube 505 of straight tube 1 inner wall, conical tube 505 is circumference evenly distributed fixedly connected with a plurality of arc draw-in groove 506 near splice 3 one end, arc draw-in groove 506 and splice 3 swing joint, open 2 outer wall swing joint has auxiliary nut 503, open 2 is close to straight tube 1 one side fixedly connected with second spacing ring plate 7, swing joint between second spacing ring plate 7 and the auxiliary nut 503, splice 3 is kept away from straight tube 1 one side fixedly connected with first spacing ring plate 4, first spacing ring plate 4 and fastening nut 501 swing joint.

Further, through inserting the splice pipe 3 into the open pipe 2 of stay tube, be connected with the arc draw-in groove 506 that conical tube 505 is connected, after accomplishing, rotate fastening nut 501, be close to straight tube 1, drive interior cone 502 and move to a plurality of elasticity clamping frame 504, along with the gradient of interior cone 502 inner wall, make a plurality of elasticity clamping frame 504 move to the centre, the joint is at the outer wall of splice pipe 3, thereby be connected splice pipe 3 and straight tube 1, after accomplishing, rotate auxiliary nut 503 again, move to fastening nut 501, make its auxiliary nut 503 laminate with fastening nut 501, cover a plurality of elasticity clamping frame 504, thereby can carry out inside joint when carrying out the quick connection to the steel pipe assembly, increase the stability of junction.

Example 2

Referring to fig. 1, 2 and 4, a second embodiment of the present utility model is based on the previous embodiment.

The dustproof sealing assembly 6 comprises an annular groove 604 arranged on the inner wall of the fastening nut 501, a rubber ring 603 is movably connected to the inner wall of the annular groove 604, and a conical rubber tube 602 is fixedly connected to one end, away from the fastening nut 501, of the rubber ring 603.

Specifically, the other end of the conical rubber tube 602 is fixedly connected with a positioning ring plate 601, and the positioning ring plate 601 is fixedly connected with the straight tube 1.

Further, through the support connectivity between elastic clamping frame 504 and rubber circle 603, support conical rubber tube 602 in a plurality of elastic clamping frame 504, fastening nut 501 moves to straight tube 1 immediately, make rubber circle 603 get into among the annular groove 604 among the fastening nut 501, with this have conical rubber tube 602 to carry out further connection between straight tube 1 and the concatenation pipe 3, and the pressure variation that causes when the liquid flows for the hydraulic pressure pipe inside by conical rubber tube 602 carries out buffering, thereby can carry out further sealed dustproof connection to the hydraulic pressure pipe junction, and cushion the pressure variation in the hydraulic pressure pipe, prevent its internal pressure too big, the phenomenon that the long-time use causes the junction to appear leaking.

Working principle: the staff inserts splice 3 among the open pipe 2 of stay tube, be connected with the arc draw-in groove 506 that conical tube 505 is connected, after accomplishing, rotate fastening nut 501, approach to straight tube 1, drive interior cone 502 and move to a plurality of elasticity clamping frame 504, along with the gradient of interior cone 502 inner wall, make a plurality of elasticity clamping frame 504 move to the centre, the joint is at the outer wall of splice 3, thereby be connected splice 3 and straight tube 1, after accomplishing, rotate auxiliary nut 503 again, move to fastening nut 501, make its auxiliary nut 503 laminate with fastening nut 501, cover a plurality of elasticity clamping frame 504, in the moment of fastening nut 501 moves to straight tube 1, make rubber circle 603 get into among the annular groove 604 among the fastening nut 501, with this have conical rubber tube 602 to carry out further connection between straight tube 1 and the splice 3, and the pressure variation that causes when the liquid flows in the fluid pressure pipe is buffered for the hydraulic pressure by conical rubber tube 602.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims (5)

1. The utility model provides a cutting ferrule formula steel pipe assembly for hydraulic pressure pipeline, includes straight tube (1), its characterized in that: the two ends of the straight pipe (1) are fixedly connected with an open pipe (2), one end of the open pipe (2) is fixedly connected with a buckle assembly (5), and the inner wall of the open pipe (2) is fixedly connected with a dustproof sealing assembly (6);

the buckle assembly (5) comprises a plurality of elastic clamping frames (504) which are uniformly distributed and fixedly arranged at the other end of the open pipe (2) in circumference, wherein the outer walls of the elastic clamping frames (504) are movably connected with an inner cone (502), one end, far away from the straight pipe (1), of the inner cone (502) is fixedly connected with a fastening nut (501), and the inner wall of the fastening nut (501) is movably connected with a splicing pipe (3);

the dustproof sealing assembly (6) comprises an annular groove (604) arranged on the inner wall of the fastening nut (501), wherein a rubber ring (603) is movably connected to the inner wall of the annular groove (604), and a conical rubber tube (602) is fixedly connected to one end, far away from the fastening nut (501), of the rubber ring (603).

2. A ferrule-type steel pipe assembly for hydraulic pipes as set forth in claim 1, wherein: the novel straight pipe comprises a straight pipe body (1), wherein one end of the inner wall of the straight pipe body is fixedly connected with a conical pipe (505), a plurality of arc clamping grooves (506) are uniformly distributed and fixedly connected on one end, close to a splicing pipe (3), of the conical pipe (505), and the arc clamping grooves (506) are movably connected with the splicing pipe (3).

3. A ferrule-type steel pipe assembly for hydraulic pipes as set forth in claim 1, wherein: the outer wall of the open pipe (2) is movably connected with an auxiliary nut (503), one side of the open pipe (2) close to the straight pipe (1) is fixedly connected with a second limiting ring plate (7), and the second limiting ring plate (7) is movably connected with the auxiliary nut (503).

4. A ferrule-type steel pipe assembly for hydraulic pipes as set forth in claim 1, wherein: the splicing pipe (3) is fixedly connected with a first limiting ring plate (4) on one side far away from the straight pipe (1), and the first limiting ring plate (4) is movably connected with the fastening nut (501).

5. A ferrule-type steel pipe assembly for hydraulic pipes as set forth in claim 1, wherein: the other end of the conical rubber tube (602) is fixedly connected with a positioning ring plate (601), and the positioning ring plate (601) is fixedly connected with the straight tube (1).