CN210716075U

CN210716075U - Wear-resisting ball valve for oil pipeline

Info

Publication number: CN210716075U
Application number: CN201921845037.9U
Authority: CN
Inventors: 程果雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-09
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an oil pipeline is with wear-resisting ball valve, open and close piece, first ring flange, second ring flange, center pin and diamond-like carbon film including precipitation hardening steel, precipitation hardening steel opens and closes a lateral cover and is equipped with valve body shell, valve body shell is inside to be provided with the center pin through connecting plate and screw, valve body shell upper end is provided with the carousel, valve body shell lower extreme is provided with the bearing, valve body shell both sides weld respectively and are provided with first ring flange and second ring flange, precipitation hardening steel opens and closes an inner layer spraying and is provided with the lubricated antiseized layer of graphite, precipitation hardening steel opens and closes an extexine cladding and is provided with the diamond-like carbon film. The utility model discloses the effect is showing, easy operation, and durable can satisfy the work demand, is fit for generally promoting.

Description

Wear-resisting ball valve for oil pipeline

Technical Field

The utility model relates to a general mechanical equipment technical field, in particular to wear-resisting ball valve for oil pipeline.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in an oil pipeline, and can close the pipeline tightly only by using small rotating operation and small rotating torque.

Patent CN 201820235036.1's utility model discloses a ball valve for oil pipeline, this novel ball valve have the fluid to present oil pipeline to remain and influence the life of ball valve, are equipped with through-hole, pivot and handle, rotate through this handle and drive the pivot and rotate together with the ball valve body, and this ball valve makes the interior remaining fluid of casing discharge through the discharge hole, avoids the fluid to remain and influences the life of ball valve.

The ball valve for the oil pipeline has the following defects: 1. the wear resistance of ball valve is not good, and the lateral wall of ball valve is worn and torn easily, leads to the sealed effect variation to the pipeline, and then the life of ball valve can shorten, and personnel need often change it, not only causes the increase of cost, can reduce production efficiency moreover. 2. The crude oil in the oil pipeline can have certain viscosity, and when crude oil flows through the ball valve, the crude oil with the viscosity can be accumulated on the inner side wall of the ball valve, so that the thickness of a through hole in the ball valve is increased, even the blockage occurs, and the speed of crude oil conveying is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an oil pipeline is with wear-resisting ball valve can effectively solve the problem in the background art.

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

the wear-resistant ball valve for the oil conveying pipeline comprises a precipitation hardening steel opening and closing piece, a first flange plate, a second flange plate, a central shaft and a diamond-like carbon film, wherein a valve body shell is sleeved on the outer side of the precipitation hardening steel opening and closing piece, the central shaft is arranged inside the valve body shell through a connecting plate and a screw, a turntable is arranged at the upper end of the valve body shell, a bearing is arranged at the lower end of the valve body shell, the first flange plate and the second flange plate are welded to the two sides of the valve body shell respectively, a graphite lubricating anti-sticking layer is arranged on the inner surface layer of the precipitation hardening steel opening and closing piece in a spraying mode, and the diamond-like carbon film.

Furthermore, one end of the central shaft penetrates through the valve body shell to be connected with the rotary table through a screw gap, and the other end of the central shaft penetrates through the valve body shell to be fixedly connected with the bearing through a bolt.

Furthermore, a first oil conveying pipe is arranged on the outer side of the first flange plate, and a second oil conveying pipe is arranged on the outer side of the second flange plate.

Further, a through hole is formed in the precipitation hardening steel opening and closing piece.

Furthermore, the first flange plate and the second flange plate are fixedly connected with the first oil conveying pipe and the second oil conveying pipe through bolts.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the diamond-like film is a novel hard lubricating functional film material and is prepared by adopting a vapor deposition technology. The diamond-like carbon film has higher hardness, wear resistance is stronger, and the lateral wall of protection precipitation hardening steel valve body that can be powerful is not by wearing and tearing, makes protection precipitation hardening steel valve body can be better seal oil pipeline, effectively prolongs the life of precipitation hardening steel valve body, and personnel need not often to change it, and not only the effectual cost of having saved can effectual improvement production efficiency moreover.

2. The graphite lubricating anti-sticking layer can effectively prevent crude oil from sticking to the inner side wall of the through hole in the precipitation hardening steel valve body in the conveying process, the petroleum can easily fall off, the petroleum is prevented from accumulating on the inner side wall of the through hole, the crude oil can be prevented from blocking the through hole, and the normal conveying of the crude oil is ensured.

Drawings

Fig. 1 is the utility model relates to a ball valve off state structure schematic diagram of wear-resisting ball valve for oil pipeline.

Fig. 2 is the utility model relates to a ball valve open mode structure schematic diagram of wear-resisting ball valve for oil pipeline.

Fig. 3 is the utility model relates to a side view of wear-resisting ball valve for oil pipeline.

Figure 4 is the utility model relates to a diamond-like film and the antiseized layer structure sketch of graphite lubrication of wear-resisting ball valve for oil pipeline.

In the figure: 1. a precipitation hardened steel closure; 2. a first oil delivery pipe; 3. a second oil delivery pipe; 4. a first flange plate; 5. a second flange plate; 6. a central shaft; 7. a turntable; 8. a valve body housing; 9. a bearing; 11. a diamond-like thin film; 12. and (4) lubricating the anti-sticking layer with graphite.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a wear-resistant ball valve for an oil pipeline comprises a precipitation hardening steel opening and closing member 1, a first flange plate 4, a second flange plate 5, a central shaft 6 and a diamond-like carbon film 11, wherein a valve body shell 8 is sleeved outside the precipitation hardening steel opening and closing member 1, the central shaft 6 is arranged inside the valve body shell 8 through a connecting plate and a screw, a turntable 7 is arranged at the upper end of the valve body shell 8, a bearing 9 is arranged at the lower end of the valve body shell 8, the first flange plate 4 and the second flange plate 5 are welded on two sides of the valve body shell 8 respectively, a graphite lubricating anti-sticking layer 12 is sprayed on the inner surface layer of the precipitation hardening steel opening and closing member 1, and the diamond-like carbon film 11 is coated on the outer surface layer of the.

Wherein, center pin 6 one end is run through valve body shell 8 and is passed through screw clearance connection with carousel 7, the other end of center pin 6 runs through valve body shell 8 and passes through bolt fixed connection with bearing 9.

In this embodiment, as shown in fig. 1, 2 and 3, when a person rotates the turntable 7, the central shaft 6 can be driven to drive the opening and closing member 1 of precipitation hardening steel to rotate.

Wherein, first defeated oil pipe 2 is provided with in the 4 outsides of first ring flange, the 5 outsides of second ring flange are provided with second defeated oil pipe 3.

Wherein the precipitation hardening steel shutter 1 is provided with a through hole 10 therein.

In this embodiment, as shown in fig. 1, 3 and 4, the through-hole 10 facilitates the flow of oil.

The first flange 4 and the second flange 5 are fixedly connected with the first oil conveying pipe 2 and the second oil conveying pipe 3 through bolts.

In the embodiment, as shown in fig. 1 and 2, the novel ball valve can be tightly connected with an oil pipeline.

It should be noted that, the utility model relates to a wear-resisting ball valve for oil pipeline, in operation, personnel pass through the bolt with first ring flange 4, second ring flange 5 and first oil pipeline 2, second oil pipeline 3 fixed connection, diamond-like carbon film 11 (brand is de chong, model is DLC) is a novel hard lubricating function film material, adopt the vapor deposition technique to make, diamond-like carbon film 11 has higher hardness, wear resistance is stronger, can powerfully protect the lateral wall of precipitation hardening steel valve body 1 not worn, make the protection precipitation hardening steel valve body 1 can better seal the oil pipeline, effectively prolong the life of precipitation hardening steel valve body 1, personnel need not often change it, not only the cost is effectively saved, and can effectively improve production efficiency, graphite lubrication anti-sticking layer 12 (the brand is large, model is HPM1) can effectively prevent crude oil from being stuck on the inner side wall of the through hole 10 in the precipitation hardening steel valve body 1 in the conveying process, and the crude oil can easily fall off, thereby not only avoiding the accumulation of the crude oil on the inner side wall of the through hole 10, but also avoiding the blockage of the through hole 10 by the crude oil and ensuring the normal conveying of the crude oil.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an oil pipeline is with wear-resisting ball valve, includes precipitation hardening steel opening and closing member (1), first ring flange (4), second ring flange (5), center pin (6) and diamond-like carbon film (11), its characterized in that: the valve body shell (8) is sleeved on the outer side of the precipitation hardening steel opening and closing piece (1), a central shaft (6) is arranged inside the valve body shell (8) through a connecting plate and a screw, a rotary table (7) is arranged at the upper end of the valve body shell (8), a bearing (9) is arranged at the lower end of the valve body shell (8), a first flange (4) and a second flange (5) are welded on the two sides of the valve body shell (8) respectively, a graphite lubricating anti-sticking layer (12) is sprayed on the inner surface layer of the precipitation hardening steel opening and closing piece (1), and a diamond-like film (11) is coated on the outer surface layer of the precipitation hardening steel opening and closing piece (1).

2. The wear-resistant ball valve for the oil pipeline according to claim 1, characterized in that: one end of the central shaft (6) penetrates through the valve body shell (8) to be connected with the rotary table (7) through a screw gap, and the other end of the central shaft (6) penetrates through the valve body shell (8) to be fixedly connected with the bearing (9) through a bolt.

3. The wear-resistant ball valve for the oil pipeline according to claim 1, characterized in that: the first oil conveying pipe (2) is arranged on the outer side of the first flange (4), and the second oil conveying pipe (3) is arranged on the outer side of the second flange (5).

4. The wear-resistant ball valve for the oil pipeline according to claim 1, characterized in that: the interior of the precipitation hardening steel opening and closing piece (1) is provided with a through hole (10).

5. The wear-resistant ball valve for the oil pipeline according to claim 1, characterized in that: the first flange plate (4), the second flange plate (5), the first oil conveying pipe (2) and the second oil conveying pipe (3) are fixedly connected through bolts.