CN213512264U - Wear-resisting type high pressure balanced valve - Google Patents

Abstract

The utility model discloses a wear-resisting type high pressure balance valve, including the valve body, the both sides of valve body are sealed by left end cover and right-hand member lid, are provided with oil-out and oil inlet respectively simultaneously on left end cover and right-hand member lid, slide the case in the valve body, and the one end of case is provided with toper pressure receiving head, and toper pressure receiving head stretches out in the oil inlet, and the internal diameter of oil inlet is less than toper pressure receiving head maximum external diameter simultaneously; the utility model discloses a mode of reducing the oil inlet moves the cone that the toper received the pressure head outside the contact point of oil inlet and toper by the corner position that the structure is weak on to avoid the rapid wear to the weak point of case structure, the emergence has improved the wearability of equipment, and then the life of extension balanced valve.

Description

Wear-resisting type high pressure balanced valve

Technical Field

The utility model relates to a case equipment technical field, concretely relates to wear-resisting type high pressure balanced valve.

Background

The balance valve is a valve with special function, and has no special part, and is characterized by that its use function and place are different, in some industries, because the medium has greater pressure difference or flow difference in every portion of pipeline or container, in order to reduce or balance said difference value a valve is mounted between the correspondent pipelines or containers, and can be used for regulating relative balance of two-side pressure or can be used for making flow balance by means of flow-dividing method, said valve is called balance valve.

SUMMERY OF THE UTILITY MODEL

Big, the short defect of life of wearing and tearing to existence among the prior art, the utility model discloses a wear-resisting type high pressure balance valve, the utility model discloses can effectively improve the wearing and tearing situation of balance valve, prolong its life.

A wear-resistant high-pressure balance valve comprises a valve body, wherein a left end cover and a right end cover are arranged on two sides of the valve body; an oil outlet and an oil inlet are respectively arranged on the left end cover and the right end cover, a valve core is arranged in the valve body in a sliding manner, and a conical pressure receiving head extending into the oil inlet is arranged at one end of the valve core; the ratio of the inner diameter of the oil inlet to the maximum outer diameter of the conical compression head is 1: (1.1-1.5).

Preferably, the inner side of the oil inlet is provided with a conical sealing surface matched with the conical pressure head.

Preferably, the conical pressure head is provided with an annular limiting table matched with the oil inlet, and the outer diameter of the annular limiting table is smaller than the inner diameter of the oil inlet.

Preferably, the valve core and the conical pressure receiving head are of an integrally formed structure.

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

1. the utility model discloses a valve body, the both sides of valve body are sealed by left end lid and right-hand member lid, cover at left end lid and right-hand member simultaneously and are provided with oil-out and oil inlet respectively, slide the case in the valve body, the one end of case is provided with the toper pressure head, and in the toper pressure head stretches out the oil inlet, the internal diameter of oil inlet and the ratio of the biggest external diameter of toper pressure head are 1 simultaneously: (1.1-1.5);

in the prior art, due to the matching of the size, the corner of the oil inlet is just opposite to the corner of the conical pressure receiving head, and meanwhile, the corner of the conical pressure receiving head has a weak structure point, so that when the position of the valve core is continuously changed due to pressure change, the corner of the oil inlet and the corner of the conical pressure receiving head are continuously collided and rubbed, and the corner of the conical pressure receiving head is quickly abraded; compared with the prior art, the utility model discloses a reduce the bore of oil inlet, under the condition that other part sizes do not change, the reduction of oil inlet bore will lead to the oil inlet and move outward with toper pressure head contact point to make the oil inlet avoid contacting with the corner point of toper pressure head, will wear and tear and shift to other positions that structural strength is higher, protect the weak point of structure, thereby prolong the life of balanced valve;

the utility model discloses a change the internal diameter of oil inlet and can realize the effective protection to the balanced valve, its embodiment is simple, reliable, and the structure of simplification equipment that can furthest has reduced equipment transformation's cost simultaneously, has higher economic value.

2. The inner side of the oil inlet is provided with the conical sealing surface matched with the conical pressure head, and compared with a right-angle corner structure, the oil inlet can convert point contact of the oil inlet and the conical pressure head into surface contact, so that the contact area is greatly improved, the pressure of the oil inlet and the conical pressure head on a unit area is reduced, the oil inlet and the conical pressure head can be effectively prevented from bursting or breaking under extreme working conditions, each part is further protected, and the service life of equipment is prolonged;

meanwhile, the contact area of the oil inlet and the conical pressure receiving head is increased, so that the sealing performance can be further improved.

3. The utility model discloses a toper is provided with the annular spacing platform with the oil inlet adaptation on the pressure head, and the external diameter of annular spacing platform is less than the oil inlet internal diameter, and it compares with right angle corner structure, can convert the point contact of oil inlet and toper pressure head into surface contact, has greatly improved area of contact, guarantees simultaneously that the contact position of the two avoids structure weak points such as corner to reduce the pressure of the two on unit area, can effectively avoid the two to take place to burst apart or fracture under extreme operating mode condition, further protects each part, the life of extension equipment;

drawings

FIG. 1 is a schematic diagram of a prior art structure

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic structural view of embodiment 2 of the present invention;

FIG. 4 is an enlarged view of part A of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention;

FIG. 6 is an enlarged view of the section B of the present invention;

reference numerals: 1. the valve body, 2, left end cap, 3, right end cap, 4, oil-out, 5, oil inlet, 6, case, 7, toper pressure head, 8, toper sealed face, 9, annular spacing platform.

Detailed Description

The present invention will be further explained by the following embodiments:

embodiment mode 1

This embodiment is regarded as the utility model discloses a basic implementation way, it discloses a wear-resisting type high pressure balanced valve, and concrete structure is as shown in fig. 2, including valve body 1, the both ends of valve body 1 are sealed through left end lid 2 and right-hand member lid 3 respectively, and it is provided with case 6 still to slide in valve body 1 simultaneously, be provided with oil-out 4 and oil inlet 5 on left end lid 2 and the right-hand member lid 3 respectively, the right side integrated into one piece of case 6 be provided with the toper and receive pressure head 7, the toper receives pressure head 7 to deepen in oil inlet 5, simultaneously according to the requirement of protection specification, the internal diameter of oil inlet 5 and the toper receive the ratio 1 of the big head end maximum external diameter of pressure head 7: (1.1-1.5).

Embodiment mode 2

This embodiment is regarded as the utility model discloses a preferred embodiment, it discloses a wear-resisting type high pressure balance valve, and concrete structure is as shown in fig. 3 and fig. 4, including valve body 1, the both ends of valve body 1 are sealed through left end lid 2 and right-hand member lid 3 respectively, and it is provided with case 6 still to slide in valve body 1 simultaneously, be provided with oil-out 4 and oil inlet 5 on left end lid 2 and the right-hand member lid 3 respectively, the right side integrated into one piece of case 6 is provided with the toper and receives pressure head 7, the toper receives pressure head 7 to deepen to oil inlet 5 in, simultaneously according to the requirement of protection specification, the internal diameter of oil inlet 5 receives the ratio 1 of the biggest external diameter of pressure head 7 big head end with the toper: (1.1-1.5), and a conical sealing surface 8 is arranged at one end of the oil inlet 5, which is contacted with the conical pressure receiving head 7, and the conical sealing surface 8 is completely attached to the outer surface of the conical pressure receiving head 7.

Embodiment 3

This embodiment is regarded as the utility model discloses a still another preferred embodiment, it discloses a wear-resisting type high-pressure balance valve, and its structure is as shown in fig. 5 and fig. 6, including valve body 1, the both ends of valve body 1 are sealed through left end lid 2 and right-hand member lid 3 respectively, still slide in valve body 1 simultaneously and be provided with case 6, be provided with oil-out 4 and oil inlet 5 on left end lid 2 and the right-hand member lid 3 respectively, the right side integrated into one piece of case 1 be provided with the toper and receive pressure head 7, the toper receives pressure head 7 to go deep into oil inlet 5, according to the requirement of protection specification simultaneously, the internal diameter of oil inlet 5 receives the ratio 1 of the biggest external diameter of the big head end of pressure head 7 of pressure head with: (1.1-1.5), an annular limiting table 9 is arranged on the outer surface of the conical pressure receiving head 7, the inner side surfaces of the annular limiting table 9 and the oil inlet 5 are abutted against each other, and the inner layer outer diameter of the annular limiting table 9 is smaller than the inner diameter of the oil inlet 5, so that the corners of the oil inlet 5 and the corners of the annular limiting table 9 are staggered.

As shown in fig. 1, a conical pressure receiving head of a balance valve assembled in the prior art extends into an oil inlet, an end surface of the inner side of an oil inlet is attached to an end surface of a valve core, a corner of the inner side of the oil inlet just abuts against a joint of the valve core and the conical pressure receiving head, the joint is just a structural weak point of the whole valve core, and frequent sliding of the valve core aggravates abrasion of the joint, so that the service life of the balance valve is greatly shortened;

as shown in figure 2, the utility model discloses a mode of reducing the oil inlet, under the condition that other part sizes do not change, the contact point of oil inlet and toper pressure receiving head will be to the translation of valve body outside one end to make the contact point of the two leave the structure weak point of case, replace the structure weak point with the position that wearability and structural strength are higher, thereby the structure weak point of protection equipment, the wearability of the phase change improve equipment, the life of extension balanced valve; simultaneously technical means simple, reliable, its economic cost can neglect, has higher economic benefits.

Claims (4)

1. The utility model provides a wear-resisting type high pressure balanced valve, includes valve body (1), and the both sides of valve body (1) are provided with left end cover (2) and right-hand member lid (3), are provided with oil-out (4) and oil inlet (5) on left end cover (2) and right-hand member lid (3) respectively, it is provided with case (6), its characterized in that to slide in valve body (1): one end of the valve core (6) is provided with a conical pressure receiving head (7) extending into the oil inlet (5); the ratio of the inner diameter of the oil inlet (5) to the maximum outer diameter of the conical pressure receiving head (7) is 1: (1.1-1.5).

2. A wear-resistant high-pressure balanced valve in accordance with claim 1, wherein: and a conical sealing surface (8) matched with the conical pressure receiving head (7) is arranged on the inner side of the oil inlet (5).

3. A wear-resistant high-pressure balanced valve in accordance with claim 1, wherein: an annular limiting table (9) matched with the oil inlet (5) is arranged on the conical pressure receiving head (7), and the outer diameter of the annular limiting table (9) is smaller than the inner diameter of the oil inlet (5).

4. A wear-resistant high-pressure balanced valve in accordance with claim 1, wherein: the valve core (6) and the conical pressure receiving head (7) are of an integrally formed structure.

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