CN210289705U

CN210289705U - Wellhead check valve

Info

Publication number: CN210289705U
Application number: CN201920425819.0U
Authority: CN
Inventors: 陈平; 何玲玲; 郑展
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-04-10
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to a well head check valve, including valve barrel, baffle, ball cover, floater, support the cover and support the awl, bottom end welding baffle in the valve barrel, baffle top welding ball cover sets up the floater between ball cover and the baffle, and the baffle surface runs through and sets up the material hole, and the ball cover surface runs through and sets up the toper ball hole that corresponds with the floater, and the cover is supported in ball cover top welding, supports set cover internal surface and sets up the screw thread, supports and set up in the cover and support the awl, supports the peripheral thread groove that sets up and screw thread and correspond. The utility model discloses when the reverse demand in the face of liquid flow, personnel then can twist reverse the awl of supporting and set up in supporting the cover, and make it support the pole and promote the floater, make the floater can't carry out the shutoff to the toper bulb hole, and then realize that liquid carries out the demand of two-way flow, remove the inconvenience that needs the replacement check valve in the work from.

Description

Wellhead check valve

Technical Field

The utility model relates to a check valve technical field, concretely relates to well head check valve.

Background

The existing one-way valve is characterized in that fluid can only flow along a water inlet, a medium at a water outlet cannot flow back, and a pipe sleeve capable of bidirectionally flowing liquid is required to be disassembled from the one-way valve when the fluid is required to bidirectionally flow, so that resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least one kind of defect among the prior art, provides a well head check valve. The utility model discloses well head check valve, when the reverse demand in the face of liquid flow, personnel then can twist reverse the awl of supporting and set up in supporting the cover, and make it support the pole and promote the floater, make the floater can't carry out the shutoff to the toper bulb, and then realize that liquid carries out the demand that two-way flow, remove the inconvenience that needs the replacement check valve in the work from, can effectively solve the problem in the background art.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

according to the utility model discloses an aspect provides a well head check valve, include valve barrel, baffle, ball cover, floater, support the cover and support the awl, bottom end welding baffle in the valve barrel, baffle top welding ball cover, set up the floater between ball cover and the baffle, the baffle surface runs through and sets up the material hole, the ball cover surface runs through and sets up the toper ball hole that corresponds with the floater, the cover is supported in the welding of ball cover top, it sets up the screw thread to support the cover internal surface, it supports the awl to set up in the cover, support the peripheral thread groove that sets up and screw thread correspondence of awl.

Furthermore, the bottom end of the supporting cone is welded with a supporting rod corresponding to the floating ball, a hexagonal groove is formed in the top of the supporting cone, and a discharging hole is formed in the bottom of the supporting cone in a penetrating mode.

Furthermore, the inner wall of the valve sleeve is a low-carbon steel layer, an aluminum oxide layer is plated on the surface of the low-carbon steel layer, and an anti-rust paint layer is coated on the surface of the aluminum oxide layer.

Further, the top end of the valve sleeve is provided with a feeding hole, and the bottom end of the valve sleeve is provided with a discharging hole.

Compared with the prior art, the utility model discloses following beneficial effect has: the valve barrel passes through the setting of feed inlet and discharge gate and can install on the pipeline of well head, through the baffle, the setting of ball cover and floater, can realize the interior liquid unidirectional flow of valve barrel, and liquid is when the perpendicular downward flow in the valve barrel, liquid can effectively flow in the valve barrel, and liquid is when upwards palirrhea, the floater then can the come-up, the toper ball hole of shutoff ball cover, make liquid can't the upward flow, when the reverse demand in the face of liquid flow, personnel then can twist reverse the awl and set up in supporting the cover, and make it support the pole and promote the floater, make the floater can't carry out the shutoff to the toper ball hole, and then realize that liquid carries out the demand of two-way flow, remove the inconvenience that needs the replacement check valve in the work from.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is the utility model relates to a well head check valve's overall structure schematic diagram.

Fig. 2 is the utility model relates to a well head check valve support awl structure schematic diagram.

Fig. 3 is the utility model relates to a structural schematic diagram is overlooked to awl of well head check valve.

Fig. 4 is the utility model relates to a valve barrel material structure schematic diagram of well head check valve.

In the figure: 1. a valve housing; 2. a baffle plate; 3. a ball sleeve; 4. a floating ball; 5. material holes; 6. a conical ball hole; 7. supporting and sleeving; 8. a thread; 9. cone supporting; 10. a feed inlet; 11. a discharge port; 12. a support rod; 13. a discharging port; 14. A hexagonal groove; 15. a low carbon steel layer; 16. an aluminum oxide layer; 17. and (4) a rust-proof paint layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the utility model relates to a well head check valve, include valve barrel 1, baffle 2, ball cover 3, floater 4, support cover 7 and support awl 9, bottom end welding baffle 2 in the valve barrel 1, 2 top welding ball covers 3 of baffle, set up floater 4 between ball cover 3 and the baffle 2, 2 surfaces of baffle run through and set up material hole 5, 3 surfaces of ball cover run through and set up the toper ball hole 6 that corresponds with floater 4, 3 top welding of ball cover supports cover 7, support 7 internal surfaces of cover and set up screw thread 8, support and set up in the cover 7 and support awl 9, support the peripheral thread groove that sets up and screw thread 8 corresponds of awl 9.

The bottom end of the resisting cone 9 is welded with a resisting rod 12 corresponding to the floating ball 4, the top of the inner part of the resisting cone 9 is provided with a hexagonal groove 14, and the bottom of the inner part of the resisting cone 9 is provided with a discharging hole 13 in a penetrating manner.

In the embodiment, as shown in fig. 1 and 2, the hexagonal groove 14 facilitates a person to rotate and twist in the abutting sleeve 7 through the inner hexagonal abutting cone 9.

The inner wall of the valve sleeve 1 is a low-carbon steel layer 15, an aluminum oxide layer 16 is plated on the surface of the low-carbon steel layer 15, and an anti-rust paint layer 17 is coated on the surface of the aluminum oxide layer 16.

In this embodiment, as shown in fig. 4, the low carbon steel layer 15 and the alumina layer 16 have excellent rust prevention and corrosion prevention effects.

Wherein, the top of valve barrel 1 sets up

feed inlet

10, 1 bottom of valve barrel sets up discharge gate 11.

In this embodiment, as shown in fig. 1, the inlet port 10 and the outlet port 11 facilitate the flow of fluid into and out of the valve housing 1.

It should be noted that, the utility model relates to a well head check valve, in operation, valve barrel 1 passes through the setting mountable of feed inlet 10 and discharge gate 11 on the pipeline of well head, through baffle 2, the setting of ball cover 3 and floater 4, can realize the interior liquid unidirectional flow of valve barrel 1, and liquid is when the perpendicular downward flow in valve barrel 1, liquid can effectively flow in valve barrel 1, and liquid is when upwards palirrhea, floater 4 then can the come-up, the toper bulb 6 of shutoff ball cover 3, make the unable upflow of liquid, when the reverse demand in the face of liquid flow, personnel then can twist reverse the setting in supporting cover 7 to awl 9, and make it support pole 12 and promote floater 4, make floater 4 can't carry out the shutoff to toper bulb 6, and then realize that liquid carries out the demand of bidirectional flow, remove the inconvenience that needs the replacement check valve in the work from.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims

1. The utility model provides a well head check valve, includes valve barrel, baffle, ball cover, floater, supports the cover and supports the awl, its characterized in that, bottom welding baffle in the valve barrel, baffle top welding ball cover, set up the floater between ball cover and the baffle, the baffle surface runs through and sets up the material hole, the ball cover surface runs through and sets up the toper ball hole that corresponds with the floater, the welding of ball cover top supports the cover, it sets up the screw thread to support the cover internal surface, it supports the awl to set up in the cover, support the peripheral thread groove that sets up and screw thread correspondence of awl.

2. The wellhead check valve as claimed in claim 1, wherein a support rod corresponding to the floating ball is welded to the bottom of the support cone, a hexagonal groove is formed in the top of the support cone, and a discharge hole is formed in the bottom of the support cone in a penetrating manner.

3. The wellhead check valve as claimed in claim 1, wherein the inner wall of the valve housing is a low carbon steel layer, the surface of the low carbon steel layer is plated with an aluminum oxide layer, and the surface of the aluminum oxide layer is coated with a rust-proof paint layer.

4. The wellhead check valve as claimed in claim 1, wherein the top end of the valve housing is provided with the inlet port, and the bottom end of the valve housing is provided with the outlet port.