CN210069073U - Valve assembly - Google Patents

Abstract

The utility model provides a valve component, include: a valve body; the screw rod is connected with the valve body and can be rotatably arranged on the valve body; the protective cover, detachably cover establish on the lead screw, and the protective cover is the tubular structure, has the internal thread on the inner wall of protective cover, and the internal thread can be connected with the external screw thread cooperation on the lead screw. The screw rod is protected with the thread of protection casing and the external screw thread connection of lead screw like this, prevents that dust from adhering to, rain wash etc. can prevent like this that the lead screw from rustting and guaranteeing the clean of lead screw to avoided the lead screw to block when using, the valve switch difficulty has improved the life of valve member.

Description

Valve assembly

Technical Field

The utility model relates to the technical field of valves, particularly, relate to a valve component.

Background

In the oil field production process, because of the influence of environmental factors and installation positions, most of valves are installed in the open air, the screw rod is exposed and has no protection device, although lubricating oil is smeared on the surface of the screw rod for protection, lubricating grease of the screw rod is melted and reduced by sunlight irradiation, rain wash and the like, so that the screw rod is corroded and rusted, and the phenomenon of screw rod blocking is caused. The screw rod coated with the lubricating grease is easily adhered with silt and impurities under the influence of wind and sand, and the silt and the impurities enter the female thread along with the screw rod to cause the screw rod to be clamped and the valve is difficult to open and close in the opening and closing process of the valve. Thus, valves in open air environments are prone to failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve component to solve the problem that the valve among the prior art breaks down easily in open air environment.

In order to solve the above problem, the present invention provides a valve assembly, including: a valve body; the screw rod is connected with the valve body and can be rotatably arranged on the valve body; the protective cover, detachably cover establish on the lead screw, and the protective cover is the tubular structure, has the internal thread on the inner wall of protective cover, and the internal thread can be connected with the external screw thread cooperation on the lead screw.

Furthermore, the side wall of the protective cover is provided with a through hole.

Further, the through-hole is a plurality of, and a plurality of through-holes interval sets up on the inner wall of protection casing.

Further, the shield is made of a metal material.

Further, the valve assembly further comprises: the handle is arranged on the outer wall of the protective cover.

Further, the handle is a plurality of, and a plurality of handles set up along the circumference interval of protection casing.

Further, the valve assembly further comprises: one end of the flexible chain is connected with the valve body, and the other end of the chain is connected with the protective cover.

Further, the valve assembly further comprises: and the hand wheel is arranged at one end of the screw rod, which is far away from the valve body.

Further, the hand wheel is detachably arranged on the valve body, and the protective cover is located between the hand wheel and the valve body.

Furthermore, two limiting planes which are arranged oppositely are arranged on the outer wall of the protective cover.

Use the technical scheme of the utility model, set up valve body, lead screw and protection casing in the valve subassembly, the accessible protects the lead screw with the screw thread of protection casing and the external screw thread connection of lead screw like this, can prevent that dust from adhering to, rainwash etc. can prevent like this that the lead screw from rustting and guaranteeing the clean of lead screw to avoided the lead screw to block when using, the valve switch difficulty has improved the life of valve subassembly.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a valve assembly provided by an embodiment of the present invention;

fig. 2 shows a cross-sectional view of the shield of fig. 1.

Wherein the figures include the following reference numerals:

10. a valve body; 20. a screw rod; 21. a through hole; 30. a protective cover; 40. a handwheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, an embodiment of the present invention provides a valve assembly, including: a valve body 10; the screw rod 20 is connected with the valve body 10, and the screw rod 20 is rotatably arranged on the valve body 10; the protective cover 30 is detachably sleeved on the screw rod 20, the protective cover 30 is of a cylindrical structure, internal threads are arranged on the inner wall of the protective cover 30, and the internal threads can be matched and connected with external threads on the screw rod 20.

Use the technical scheme of this embodiment, set up valve body 10, lead screw 20 and protection casing 30 in the valve subassembly, the accessible protects lead screw 20 with the internal thread of protection casing 30 and the external screw thread connection of lead screw 20 like this, can prevent that dust from adhering to, rain wash etc. can prevent like this that lead screw 20 from rustting and guarantee lead screw 20's cleanness to lead screw 20 blocks when having avoided using, and valve switch is difficult, has improved the life of valve subassembly. And, the protective cover 30 is sleeved on the screw rod 20 in a threaded connection mode, so that the connection is convenient and the protective effect is good.

As shown in fig. 2, the shield cap 30 has a through hole 21 in a sidewall thereof. Lubricating oil can be injected into the protective cover 30 through the through holes 21, so that the protective cover 30 can be conveniently rotated, the screw rod 20 can be better protected, and the service life of the screw rod 20 is prolonged.

In the present embodiment, the through hole 21 is plural, and the plural through holes 21 are provided at intervals on the inner wall of the protection mask 30. By providing a plurality of through holes 21, it is facilitated to inject the lubricating oil at different positions.

In the present embodiment, the shield 30 is made of a metal material. This may improve the strength of the shield cap 30. For example, it may be made of stainless steel, or of galvanized steel pipe.

To facilitate operation, in this embodiment, the valve assembly further comprises: and a handle provided on an outer wall of the shield 30. Rotation of shield 30 may be facilitated by a handle. Specifically, the handle may be provided as a rod-shaped member, and a length direction of the rod-shaped member is perpendicular to a length direction of the shield 30.

Further, the number of the handles is plural, and the plural handles are provided at intervals along the circumferential direction of the shield cover 30. By providing a plurality of handles, it may be more advantageous to rotate the shield 30 to be coupled to or decoupled from the lead screw 20.

In this embodiment, the valve assembly further comprises: and one end of the flexible chain is connected with the valve body 10, and the other end of the chain is connected with the protective cover 30. Through the arrangement of the chain, when the protective cover 30 is separated from the screw rod 20, the protective cover 30 can be prevented from being lost.

In this embodiment, the valve assembly further comprises: and the hand wheel 40 is arranged at one end of the screw rod 20 far away from the valve body 10. The hand wheel 40 is arranged to facilitate rotation of the screw rod 20 and thus adjustment of the valve.

Specifically, the hand wheel 40 is detachably provided on the valve body 10, and the shield 30 is located between the hand wheel 40 and the valve body 10. When protection is needed, the hand wheel 40 is firstly taken down from the screw rod 20, then the protective cover 30 is in threaded connection with the screw rod 20, and then the hand wheel 40 is installed.

Further, in the present embodiment, the outer wall of the protection cover 30 has two oppositely disposed limiting planes. Through setting up two spacing planes in opposite directions, can be convenient for use tools such as spanner to rotate protection casing 30, the operation of being convenient for.

Use the technical scheme of this embodiment, set up valve body 10, lead screw 20 and protection casing 30 in the valve subassembly, the accessible protects lead screw 20 with the internal thread of protection casing 30 and the external screw thread connection of lead screw 20 like this, can prevent that dust from adhering to, rain wash etc. can prevent like this that lead screw 20 from rustting and guarantee lead screw 20's cleanness to lead screw 20 blocks when having avoided using, and valve switch is difficult, has improved the life of valve subassembly. And, the protective cover 30 is sleeved on the screw rod 20 in a threaded connection mode, so that the connection is convenient and the protective effect is good.

The utility model discloses simple structure, the preparation is easy, has played the guard action to the valve lead screw, has effectively prevented the erosion of silt, impurity, rainwater, has ensured the switch of lead screw nimble, has avoided the case conical surface damage because of silt, impurity entering valve are inside to cause, has reduced the oil gas leakage phenomenon of valve.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Claims (10)

1. A valve assembly, comprising:

a valve body (10);

the screw rod (20) is connected with the valve body (10), and the screw rod (20) is rotatably arranged on the valve body (10);

protection casing (30), detachably cover are established on lead screw (20), protection casing (30) are the tubular structure, the internal thread has on the inner wall of protection casing (30), the internal thread can with external screw thread cooperation on lead screw (20) is connected.

2. A valve assembly according to claim 1, wherein the protective cover (30) has a through hole (21) in its side wall.

3. A valve assembly according to claim 2, wherein the through hole (21) is plural, and plural through holes (21) are provided at intervals on the inner wall of the protection cover (30).

4. A valve assembly according to claim 1, wherein the protective cover (30) is made of a metallic material.

5. A valve assembly according to claim 1, further comprising:

a handle disposed on an outer wall of the shield (30).

6. A valve assembly according to claim 5, wherein the handle is plural and is spaced circumferentially of the shield (30).

7. A valve assembly according to claim 1, further comprising:

one end of the chain is connected with the valve body (10), and the other end of the chain is connected with the protective cover (30).

8. A valve assembly according to claim 1, further comprising:

the hand wheel (40), the hand wheel (40) sets up the lead screw (20) keep away from the one end of valve body (10).

9. A valve assembly according to claim 8, wherein the hand wheel (40) is removably arranged on the valve body (10), and the protective cover (30) is located between the hand wheel (40) and the valve body (10).

10. A valve assembly according to claim 1, wherein the shield (30) has two oppositely disposed stop planes on its outer wall.

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