CN212203088U

CN212203088U - Durable hydraulic main plug sleeve

Info

Publication number: CN212203088U
Application number: CN202020833255.7U
Authority: CN
Inventors: 王森
Original assignee: Nantong Wanling Machinery Co ltd
Current assignee: Nantong Wanling Machinery Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-22
Anticipated expiration: 2030-05-18

Abstract

The utility model belongs to the technical field of main gag, especially, be a durable hydraulic pressure main gag, including overcoat and endotheca, the inner wall of overcoat and the outer wall fixed connection of endotheca, the inside of overcoat is equipped with a plurality of locating holes, the inner wall fixedly connected with wearing layer of endotheca, first screw hole has been seted up to the inside of overcoat, the second screw hole has been seted up to the outer wall of endotheca, two the equal threaded connection of inner wall of first screw hole and second screw hole has the lead screw. The utility model discloses a set up mutually supporting between first screw hole, second screw hole and the lead screw for endotheca and overcoat can be convenient for dismantle, make main plug bush when changing, only need change the endotheca can, thereby reduced cost of maintenance, set up the mutual use between titanium-based carbide layer, wear-resisting alloy steel layer and the polyformaldehyde layer, improved the wear-resisting effect of endotheca, make endotheca durable, improved the life of endotheca.

Description

Durable hydraulic main plug sleeve

Technical Field

The utility model relates to a main plug bush technical field specifically is a durable hydraulic pressure main plug bush.

Background

The main plug sleeve mainly has an up-and-down motion track in the running process, and the end part of the main plug sleeve is usually larger, so that the wear is quicker.

However, the existing main plug sleeve has the following problems:

1. the outer sleeve and the inner sleeve of the existing main plug sleeve are basically integrated, so that the main plug sleeve is basically replaced integrally when damaged, materials are wasted, and cost is not saved;

2. the existing main plug sleeve is poor in wear-resisting effect and easy to wear and scrap after being used for a long time, so that the service life of the main plug sleeve is shortened, and the cost is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a durable main cock cover of hydraulic pressure has solved the relatively poor and problem of current main cock cover wear-resisting effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a durable hydraulic pressure owner stopper cover, includes overcoat and endotheca, the inner wall of overcoat and the outer wall fixed connection of endotheca, the inside of overcoat is equipped with a plurality of locating holes, the inner wall fixedly connected with wearing layer of endotheca, first screw hole has been seted up to the inside of overcoat, the second screw hole has been seted up to the outer wall of endotheca, two the equal threaded connection of inner wall of first screw hole and second screw hole has the lead screw, the tip fixedly connected with handle of lead screw.

As an optimal technical scheme of the utility model, the wearing layer includes titanium base carbide layer, wear-resisting alloy steel layer and polyformaldehyde layer, the outer wall fixed connection on inner wall and the wear-resisting alloy steel layer of titanium base carbide layer, the inner wall on wear-resisting alloy steel layer and the outer wall fixed connection on polyformaldehyde layer.

As a preferred technical scheme of the utility model, the surface of overcoat scribbles metal oxide's ceramic coating.

As an optimized technical scheme of the utility model, the surface of handle is equipped with the rubber pad.

As an optimal technical scheme of the utility model, the tip diameter of lead screw and the inner wall size looks adaptation of first screw hole and second screw hole.

As an optimized technical scheme of the utility model, the shape of locating hole is the cylinder.

(III) advantageous effects

Compared with the prior art, the utility model provides a durable hydraulic pressure owner's cock cover possesses following beneficial effect:

1. this durable hydraulic pressure owner's plug bush through setting up the mutually supporting between first screw hole, the second screw hole and the lead screw for endotheca and overcoat can be convenient for dismantle, make main plug bush when changing, only need change the endotheca can, thereby reduced cost of maintenance.

2. According to the durable hydraulic main plug sleeve, the titanium-based hard alloy layer, the wear-resistant alloy steel layer and the polyformaldehyde layer are mutually used, so that the wear-resistant effect of the inner sleeve is improved, the inner sleeve is durable, and the service life of the inner sleeve is prolonged.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the structure of the wear-resistant layer of the present invention.

In the figure: 1. a jacket; 2. an inner sleeve; 3. positioning holes; 4. a wear layer; 401. a titanium-based hard alloy layer; 402. a wear-resistant alloy steel layer; 403. a polyoxymethylene layer; 5. a first threaded hole; 6. a second threaded hole; 7. a screw rod; 8. a handle.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a durable hydraulic pressure owner stopper cover, includes overcoat 1 and endotheca 2, the inner wall of overcoat 1 and the outer wall fixed connection of endotheca 2, the inside of overcoat 1 is equipped with a plurality of locating holes 3, the inner wall fixedly connected with wearing layer 4 of endotheca 2, first screw hole 5 has been seted up to the inside of overcoat 1, second screw hole 6 has been seted up to the outer wall of endotheca 2, the equal threaded connection of inner wall of two first screw holes 5 and second screw hole 6 has lead screw 7, the tip fixedly connected with handle 8 of lead screw 7.

In this embodiment, through the use of wearing layer 4, improved the wear-resisting effect of endotheca 2, set up first screw hole 5 and second screw hole 6 and be for the use of cooperation lead screw 7 for can dismantle between endotheca 2 and the overcoat 1, thereby reduce cost of maintenance.

Specifically, the wear-resistant layer 4 comprises a titanium-based hard alloy layer 401, a wear-resistant alloy steel layer 402 and a polyformaldehyde layer 403, wherein the inner wall of the titanium-based hard alloy layer 401 is fixedly connected with the outer wall of the wear-resistant alloy steel layer 402, and the inner wall of the wear-resistant alloy steel layer 402 is fixedly connected with the outer wall of the polyformaldehyde layer 403.

In this embodiment, the wear-resistant layer 4 is made of a titanium-based hard alloy layer 401, a wear-resistant alloy steel layer 402, and a polyoxymethylene layer 403, and is used for enhancing the wear-resistant performance of the wear-resistant layer 4, thereby improving the wear-resistant effect of the inner sleeve 2, enabling the inner sleeve 2 to be durable, and prolonging the service life of the inner sleeve 2.

Specifically, the surface of the outer jacket 1 is coated with a ceramic paint of metal oxide.

In this embodiment, the ceramic coating is coated on the surface of the outer sleeve 1 to improve the wear-resistant effect of the outer sleeve 1, so that the outer sleeve 1 is durable and the service life of the outer sleeve 1 is prolonged.

Specifically, the surface of the handle 8 is provided with a rubber pad.

In this embodiment, the rubber pad is provided to improve the stability of the handle 8 during rotation.

Specifically, the diameter of the end part of the screw rod 7 is matched with the size of the inner walls of the first threaded hole 5 and the second threaded hole 6.

In this embodiment, the end diameter of the screw rod 7 is matched with the inner walls of the first threaded hole 5 and the second threaded hole 6 in size, so that the screw rod 7 is limited by the first threaded hole 5 and the second threaded hole 6, and the inner sleeve 2 and the outer sleeve 1 are convenient to disassemble.

Specifically, the positioning hole 3 is cylindrical.

In this embodiment, because the shape of locating hole 3 is the cylinder, can effectively alleviate pressure, alleviate pressure and be the wearing and tearing of the reduction main plug cover of facies, make wearing and tearing fall to minimumly, improved the life of main shaft cover.

The utility model discloses a theory of operation and use flow: when using, through wearing layer 4's use, be in order to improve 2 wear-resisting effects of endotheca for 2 durable of endotheca, thereby improved 2's life of endotheca, rotate at the inner wall of first screw hole 5 and second screw hole 6 through lead screw 7, make 2 and the 1 dismantlements of overcoat of endotheca be convenient for, make main plug bush when changing, only need change endotheca 2 can, thereby reduced cost of maintenance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A durable hydraulic main plug bush comprises an outer bush (1) and an inner bush (2), and is characterized in that: the inner wall of overcoat (1) and the outer wall fixed connection of endotheca (2), the inside of overcoat (1) is equipped with a plurality of locating holes (3), the inner wall fixedly connected with wearing layer (4) of endotheca (2), first screw hole (5) have been seted up to the inside of overcoat (1), second screw hole (6), two have been seted up to the outer wall of endotheca (2) the equal threaded connection in inner wall of first screw hole (5) and second screw hole (6) has lead screw (7), the tip fixedly connected with handle (8) of lead screw (7).

2. A durable hydraulic primary plug sleeve according to claim 1, wherein: the wear-resistant layer (4) comprises a titanium-based hard alloy layer (401), a wear-resistant alloy steel layer (402) and a polyformaldehyde layer (403), the inner wall of the titanium-based hard alloy layer (401) is fixedly connected with the outer wall of the wear-resistant alloy steel layer (402), and the inner wall of the wear-resistant alloy steel layer (402) is fixedly connected with the outer wall of the polyformaldehyde layer (403).

3. A durable hydraulic primary plug sleeve according to claim 1, wherein: the surface of the outer sleeve (1) is coated with ceramic paint of metal oxide.

4. A durable hydraulic primary plug sleeve according to claim 1, wherein: the surface of the handle (8) is provided with a rubber pad.

5. A durable hydraulic primary plug sleeve according to claim 1, wherein: the diameter of the end part of the screw rod (7) is matched with the size of the inner walls of the first threaded hole (5) and the second threaded hole (6).

6. A durable hydraulic primary plug sleeve according to claim 1, wherein: the positioning hole (3) is cylindrical.