CN209943732U

CN209943732U - Wear-resistant sleeve for hydraulic pipe fitting

Info

Publication number: CN209943732U
Application number: CN201920417750.7U
Authority: CN
Inventors: 李助业
Original assignee: Ningbo Fenghua Gaoxin Compaq Hydraulic Co Ltd
Current assignee: Ningbo Fenghua Gaoxin Compaq Hydraulic Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-14
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a wear-resisting sleeve for hydraulic pressure pipe fitting, establish sheath two and the cover of a sheath outside side and establish two spacing ring boards at base cover both ends including base cover, cover at the sheath of base cover outside side, cover, the outside side of base cover runs through and has seted up a plurality of first slides, the relative first slide of first slide is the axial and distributes, the first slide that a plurality of and first slide cooperation were used is seted up to the inboard of sheath one, and its outside side runs through and sets up the second slide that a plurality of axial were arranged. The utility model discloses in, the base cover is responsible for the tube coupling, and the sheath is one set to be established in the outside of base cover and realizes fixing through the first slide cooperation of the first slide in it and base cover outside side, and the sheath cover is established on sheath one to utilize interference fit and sheath one to connect, a sheath material adopts wear-resisting polyurethane material, and wear-resisting effectual.

Description

Wear-resistant sleeve for hydraulic pipe fitting

Technical Field

The utility model relates to a hydraulic pressure union coupling sleeve technical field that wear-resisting especially relates to hydraulic pressure wear-resisting sleeve for pipe fitting.

Background

The hydraulic connecting sleeve is a sealed connecting piece which bears certain pressure between two end pipeline connections in a hydraulic pipeline, is generally a cylindrical connector, contains connecting threads, and connects the two end pipelines through screwing.

Because the sleeve has higher requirement on the connection sealing performance, pipe tongs are usually used for rotating with large torque during screwing and disassembling, the phenomenon of abrasion of the outer surface and the outer wall of the pipe is easy to occur during rotation, and the pipe fitting is generally made of galvanized parts, so that the pipe fitting is easy to corrode after abrasion; at the same time, large torque rotation of such sleeves easily results in deformation, affecting installation and removal.

Therefore, the utility model provides a wear-resisting sleeve is used to hydraulic pressure pipe fitting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the wear-resistant sleeve for the hydraulic pipe fitting is provided for solving the problems that the conventional hydraulic pipe fitting connecting sleeve is not wear-resistant and the threaded connection is affected by sleeve deformation easily caused during assembling and disassembling.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

wear-resisting sleeve for hydraulic pressure pipe fitting, establish sheath two and the cover of a sheath outside side at base cover outside side including base cover, cover and establish two spacing ring boards at base cover both ends at two, the outside side of base cover runs through and has seted up a plurality of first slides, first slide is the axial distribution relatively first slide, a plurality of first slides that use with the cooperation of first slide are seted up to the inboard of sheath one, and its outside side runs through and sets up the second slide that a plurality of axial were arranged, the inboard of sheath two is equipped with a plurality of axial arrangements and cooperates the second slide that uses with the second slide.

As a further description of the above technical solution:

a first notch is formed in one side, close to the first axis of the sheath, of the first sliding plate, and a second notch is formed in one side, close to the second axis of the sheath, of the second sliding plate.

As a further description of the above technical solution:

the limiting ring plate is characterized in that a short pipe which is of a thin-wall structure and coaxial with the limiting ring plate is welded on one side of the limiting ring plate, the limiting ring plate is connected with the base sleeve in an interference fit mode, and the thin-wall short pipe on the limiting ring plate extends into the first sheath and is in interference fit.

As a further description of the above technical solution:

the first sliding plate and the first slide way are in transition fit connection.

As a further description of the above technical solution:

the second sliding plate is connected with the second sliding way in an interference fit mode, and the second protective sleeve is connected with the first protective sleeve in an interference fit mode.

As a further description of the above technical solution:

and the other side of the limiting ring plate is symmetrically provided with positioning holes.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the base cover is responsible for the tube coupling, and the sheath is one set to be established in the outside of base cover and realizes fixing through the first slide cooperation of the first slide in it and base cover outside side, and the sheath cover is established on sheath one to utilize interference fit and sheath one to connect, a sheath material adopts wear-resisting polyurethane material, and wear-resisting effectual.

2. The utility model discloses in, the sheath adopts pottery, and pottery is comparatively hard, and is wear-resisting, when carrying out the torsion installation, can prevent effectively that the base cover from warping simultaneously.

3. The utility model discloses in, who has first breach and second breach on first slide in sheath one and the guard shield two and the second slide, can reduce frictional force when first slide and first slide butt joint and second slide butt joint installation from this, the spacing crown plate is established to the both ends cover of base cover simultaneously, and the nozzle stub that the spacing crown plate utilized on it can be so that there is the clearance between sheath one and the base cover, easy to assemble and dismantlement.

Drawings

Fig. 1 is a schematic structural view of a wear-resistant sleeve for a hydraulic pipe fitting according to the present invention;

fig. 2 is an exploded view of the wear-resistant sleeve for hydraulic pipes according to the present invention;

fig. 3 is the utility model provides a structural schematic diagram of a front view semi-section of wear-resisting sleeve for hydraulic pipe fitting.

Illustration of the drawings:

1. a base sleeve; 2. a first sheath; 3. a second sheath; 4. a limit ring plate; 5. a first slideway; 6. a first slide plate; 7. a second slideway; 8. a second slide plate; 9. a first notch; 10. a second notch; 11. a short pipe; 12. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: wear-resisting sleeve for hydraulic pressure pipe fitting, including base cover 1, the cover is established at the sheath one 2 of base cover 1 outside side, the sheath two 3 of establishing sheath one 2 outside side and the cover are established at two limit ring boards 4 at base cover 1 both ends, a serial communication port, the outside side of base cover 1 runs through and has been seted up a plurality of first slides 5, first slide 5 is the axial distribution relatively first slide 5, the first slide 6 that a plurality of and first slide 5 cooperation were used is seted up to the inboard of sheath one 2, and its outside side runs through and sets up the second slide 7 that a plurality of axial were arranged, the inboard of sheath two 3 is equipped with a plurality of axial arrangements and cooperates the second slide 8 that uses with second slide 7, sheath one 2 adopts the pottery material, utilize high strength protection base cover 1, sheath two 3 adopt the polyurethane material, be in outermost, wear-resisting effectual.

Specifically, as shown in fig. 2 and 3, a first notch 9 is formed in one side of the first sliding plate 6, which is close to the axis of the first sheath 2, and a second notch 10 is formed in one side of the second sliding plate 8, which is close to the axis of the second sheath 3.

Specifically, as shown in fig. 2 and 3, the short tube 11 with a thin-wall structure and the same axis as the limit ring plate 4 is welded on one side of the limit ring plate 4, the limit ring plate 4 and the base sleeve 1 are connected in an interference fit manner, the thin-wall short tube 11 on the limit ring plate extends into the first sheath 2 and is in an interference fit manner, the wall short tube 11 can realize the fixation of the base sleeve 1 relative to the first sheath 2, and meanwhile, after the limit ring plate 4 is disassembled, the first sheath 2 is conveniently separated from the base sleeve 1, and the disassembly is convenient.

Specifically, as shown in fig. 2, the first sliding plate 6 and the first sliding rail 5 are in transition fit connection, and are connected and fastened in an interference fit manner, so that shaking during screwing is avoided.

Specifically, as shown in fig. 2, the second sliding plate 8 and the second sliding rail 7 are connected in an interference fit manner, the second sheath 3 and the first sheath 2 are connected in an interference fit manner, and the interference fit connection is tight, so that shaking during screwing is avoided.

Specifically, as shown in fig. 1, the other side of the limit ring plate 4 is symmetrically provided with positioning holes 12.

The working principle is as follows: when the anti-abrasion device is used, the first sheath 2 is sleeved outside the base sleeve 1, a gap exists between the first sheath 2 and the second sheath, the first sliding plate 6 and the first slideway 5 in the first sheath 2 are in interference fit, the second sheath 3 is sleeved outside the first sheath 2 and is in interference fit connection, meanwhile, the second sliding plate 8 and the second slideway 7 are in interference fit connection, the connection is reliable, then the limiting ring plates 4 are in interference fit connection at two ends of the base sleeve 1, the limiting ring plates 4 are in interference fit with the base sleeve 1 and the first sheath 2 respectively by using short pipes 11 of thin-wall structures, wherein the first sheath 2 is made of ceramic materials, the strength is high, the base sleeve 1 can be prevented from being deformed under pressure, and the second sheath 3 is made of polyurethane materials; when the sheath two 3 needs to be replaced, the whole sleeve is placed on the base plate and supports the base sleeve 1 independently, the sheath one 2 and the base sleeve 1 are impacted under the guide of the two positioning holes 12 by using an external punch, and the external punch is matched with the first notch 9 and the second notch 10 to reduce the contact area, so that knocking and disassembling can be realized quickly, and the maintenance and replacement are facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Wear-resisting sleeve for hydraulic pressure pipe fitting establishes sheath two (3) and the cover at two spacing crown plate (4) at base cover (1) both ends of sheath (2) outside side including base cover (1), cover, and base cover (1) outside side and establishes sheath (2) outside side, its characterized in that, the outside side of base cover (1) is run through and has been seted up a plurality of first slides (5), first slide (5) are axial distribution relatively first slide (5), first slide (6) that a plurality of and first slide (5) cooperation were used are seted up to the inboard of sheath (2), and its outside side runs through and sets up second slide (7) that a plurality of axial were arranged, the inboard of sheath two (3) is equipped with a plurality of axial and arranges and second slide (8) that cooperate and use with second slide (7).

2. The wear-resistant sleeve for the hydraulic pipe fitting as claimed in claim 1, wherein a first notch (9) is formed in one side of the first sliding plate (6) close to the axis of the first sheath (2), and a second notch (10) is formed in one side of the second sliding plate (8) close to the axis of the second sheath (3).

3. The wear-resistant sleeve for the hydraulic pipe fitting is characterized in that a short pipe (11) which is of a thin-wall structure and is coaxial with the limit ring plate (4) is welded on one side of the limit ring plate (4), the limit ring plate (4) is connected with the base sleeve (1) in an interference fit mode, and the thin-wall short pipe (11) on the limit ring plate extends into the first sheath (2) and is in the interference fit mode.

4. A wear sleeve for hydraulic pipes according to claim 1, characterized in that the first sliding plate (6) and the first runner (5) are in transition fit connection.

5. A wear sleeve for hydraulic pipes according to claim 1, characterized in that the second sliding plate (8) and the second slideway (7) are connected in an interference fit, and the second sheath (3) and the first sheath (2) are connected in an interference fit.

6. The wear-resistant sleeve for the hydraulic pipe fitting as recited in claim 1, wherein the other side of the limit ring plate (4) is symmetrically provided with positioning holes (12).