CN207988988U - A kind of wellhead tree sealing device - Google Patents

Abstract

The utility model is related to a kind of wellhead tree sealing devices, including connection ring, retaining collar, screw connection block, fixed mounting hole, fixed screw, seal pipe, sealing controller, support column, connect base, sealing device, sealing device insertion is installed in connection ring, and connection ring is in same axle center with retaining collar.A kind of wellhead tree sealing device of the utility model, structure is equipped with sealing device, by the setting of the airtight and watertight padding in sealing device convenient for the rotation of polished rod, by rotating polished rod, polished rod and put blowout prevention sealing block, link block cooperation can stablize polished rod oil pumping state, effectively prevent from shaking when drawing liquid, when sealing device is poorly sealed close, after attrition between airtight and watertight padding and polished rod, pressure ring is set to compress airtight and watertight padding by tension force of spring, sealing effect is good, the phenomenon that making it be not susceptible to shake and cause leakage, and improve the leakproofness of equipment.

Description

A kind of wellhead tree sealing device

Technical field

The utility model is related to sealing device technical fields, and in particular to a kind of wellhead tree sealing device.

Background technology

Most of China oil field has been enter into the mechanical oil recovery phase at present, and the capital equipment used in mechanical oil recovery is to have bar pumping Oily equipment, according to relevant statistics, pumping well with pole account for 90% or more of mechanical oil well sum, and its well in pumping well with pole 98% or more of mouth sealing device is all made of conventional polish rod seal device.

Prior art discloses application No. is：201620119937.5 a kind of oil extraction wellhead sealing device, under main body Portion is connect with wellhead assembly, and the top of main body is cylindrical seal chamber, and the centre of main body is toroidal cavity, and sucker rod passes through main body Upper cylindrical seal chamber, intermediate annular cavity be connected on wellhead assembly, be equipped between cylindrical seal chamber and sucker rod Sealing ring, pressure cap compress sealing ring by pressing sleeve, and the intermediate annular cavity of main body adjusts the end of lead screw there are two lead screw is adjusted Semicircle airtight and watertight padding is connected, pressure relief plate is equipped in the intermediate annular cavity of the main body, the top of pressure relief plate is equipped with spring, institute The intermediate annular cavity top for the main body stated is equipped with relief tube, but the prior art is easy to make production pipe when being recovered the oil It shakes, and fluid is made to reveal.

Utility model content

One main purpose of the utility model is to overcome at least one defect in the prior art, provides a kind of well head Oil recovery sealing device to solve the prior art when being recovered the oil is easy that production pipe is made to shake, and fluid is made to reveal The problem of.

In order to realize that above-mentioned technical proposal, the utility model use following technical scheme：

One side according to the present utility model provides a kind of wellhead tree sealing device, including connection ring, fixing sleeve Ring, screw connection block, fixed mounting hole, fixed screw, seal pipe, sealing controller, support column, connect base, sealing device, The sealing device insertion is installed in connection ring, and the connection ring is in same axle center with retaining collar, and the seal pipe is embedding Enter to be installed in sealing controller, the support column insertion is installed in connect base, and the fixed screw is installed on seal pipe Top, the retaining collar is connected with sealing device, the sealing device include polished rod, spring, pressure ring, airtight and watertight padding, Sealing ring, damping rubber layer, blowout prevention sealing block, link block, sealing protection shell, bearing, the polished rod insertion are installed in spring, The pressure ring and airtight and watertight padding are bonding, and the damping rubber layer insertion is installed in sealing protection shell, the sealing ring and light Bar fits, and the spray sealing block is connected by spring with link block, and the sealing ring is connected with damping rubber layer, described Sealing ring insertion is installed in sealing protection shell, and airtight and watertight padding is equipped in the sealing protection shell, and the pressure ring is connected with polished rod It connects, the bearing insertion is installed in sealing protection shell.

An embodiment according to the present utility model, the screw connection block insertion are installed in fixed mounting hole.

An embodiment according to the present utility model, the fixed screw insertion are installed in fixed mounting hole.

An embodiment according to the present utility model, the sealing protection shell are connected with connection ring.

The lower surface of an embodiment according to the present utility model, the sealing controller is connected with the upper surface of support column It connects.

An embodiment according to the present utility model, the screw connection block are made of ferrite stainless steel material, tool There is the effects that anticorrosion.

An embodiment according to the present utility model, the sealing controller are formed using stainless steel, are had anti- The effects that vapor.

As shown from the above technical solution, the utility model has at least one of following advantages and good effect：

A kind of wellhead tree sealing device of the utility model, structure is equipped with sealing device, by close in sealing device Packing material setting convenient for polished rod rotation, by rotate polished rod, polished rod and put blowout prevention sealing block, link block coordinate can stablize Polished rod oil pumping state effectively prevents from shaking when drawing liquid, when sealing device is poorly sealed close, when airtight and watertight padding and polished rod Between after attrition, so that pressure ring is compressed airtight and watertight padding by tension force of spring, sealing effect is good, it is made to be not susceptible to The phenomenon that shaking and causing leakage, and improve the leakproofness of equipment.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people For member, without creative efforts, other drawings may also be obtained based on these drawings.

Fig. 1 is a kind of structural schematic diagram of one embodiment of wellhead tree sealing device described in the utility model；

Fig. 2 is a kind of structural schematic diagram of the inside of wellhead tree sealing device of the utility model.

The reference numerals are as follows：

1- connection rings,

2- retaining collars,

3- screw connections block,

4- fixed mounting holes,

5- fixed screws,

6- seal pipes,

7- sealings controller,

8- support columns,

9- connect bases,

10- sealing devices,

1001- polished rods,

1002- springs,

1003- pressure rings,

1004- airtight and watertight paddings,

1005- sealing rings,

1006- damping rubbers layer,

1007- blowout preventions sealing block,

1008- link blocks,

1009- sealing protections shell,

1010- bearings.

Specific implementation mode

In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on ... shown in the drawings or state relation, merely to just In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated device or element Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing, " second " etc. is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that in this way The data used can be interchanged in the appropriate case, so as to the embodiments of the present invention described herein.

Below in conjunction with the accompanying drawings and specific implementation mode is described in further detail the utility model.

It is a kind of structural representation of one embodiment of wellhead tree sealing device described in the utility model referring to Fig. 1,2, Fig. 1 Figure, Fig. 2 are a kind of structural schematic diagram of the inside of wellhead tree sealing device of the utility model.

A kind of wellhead tree sealing device described in the utility model, including connection ring 1, retaining collar 2, screw connection block 3, Fixed mounting hole 4, fixed screw 5, seal pipe 6, sealing controller 7, support column 8, connect base 9, sealing device 10, it is described close The insertion of seal apparatus 10 is installed in connection ring 1, and the connection ring 1 is in same axle center with retaining collar 2, and the seal pipe 6 is embedding Enter to be installed in sealing controller 7, the insertion of the support column 8 is installed in connect base 9, and the fixed screw 5 is installed on close The top of tube sealing 6, the retaining collar 2 are connected with sealing device 10, and the sealing device 10 includes polished rod 1001, spring 1002, pressure ring 1003, airtight and watertight padding 1004, sealing ring 1005, damping rubber layer 1006, blowout prevention sealing block 1007, link block 1008, sealing protection shell 1009, bearing 1010, the polished rod 1001 insertion be installed in spring 1002, the pressure ring 1003 with Airtight and watertight padding 1004 is bonding, and the insertion of damping rubber layer 1006 is installed in sealing protection shell 1109, the sealing ring 1005 fit with polished rod 1001, and the spray sealing block 1007 is connected by spring with link block 1008, the sealing ring 1005 are connected with damping rubber layer 1006, and the insertion of the sealing ring 1005 is installed in sealing protection shell 1109, the sealing Airtight and watertight padding 1004 is equipped in protecting crust 1109, the pressure ring 1003 is connected with polished rod 1001, the insertion peace of the bearing 1010 Loaded in sealing protection shell 1009, the sealing protection shell 1109 is connected with connection ring 1, the following table of the sealing controller 7 Face is connected with the upper surface of support column 8, and the screw connection block 3 is made of ferrite stainless steel material, has anticorrosion The effects that, the sealing controller 7 is formed using stainless steel, has the effects that water vapor.

Fixed screw 5 described in this patent is former using the inclined-plane circular rotating of object and the physics and mathematics of frictional force Reason, fastens the tool of implements parts by easy stages, and screw is the general saying of fastener, daily pet phrase, the sealing dress 10 are set, is exactly used to prevent fluid or solia particle from leaking or prevent introduced contaminants such as dust and moisture etc. between adjacent faying face Invade the combination of the component or component inside machinery equipment.

In use, when well head uses, be convenient for by the setting of the airtight and watertight padding 1004 in sealing device 10 The rotation of polished rod 1001, by rotate polished rod 1001, polished rod 14 and put blowout prevention sealing block 1007, link block 1008 coordinate can be steady Determine polished rod oil pumping state, effectively prevent from shaking when drawing liquid, when sealing device 10 is poorly sealed close, works as airtight and watertight padding Between 1004 and polished rod 1001 after attrition, pressure ring 1003 is set to press airtight and watertight padding 1004 by the tension of spring 1002 Tightly, sealing effect is good.

In conclusion the utility model solves the prior art when being recovered the oil, it is easy that production pipe is made to shake, and makes The problem of fluid is revealed, the utility model are combined with each other by above-mentioned component, and structure is equipped with sealing device, by close The setting of airtight and watertight padding in seal apparatus polished rod and puts blowout prevention sealing block, link block convenient for the rotation of polished rod by rotating polished rod Cooperation can stablize polished rod oil pumping state, effectively prevent from shaking when drawing liquid, when sealing device is poorly sealed close, when close Between packing material and polished rod after attrition, pressure ring is set to compress airtight and watertight padding by tension force of spring, sealing effect is good, The phenomenon that making it be not susceptible to shake and cause leakage, and improve the leakproofness of equipment.

It should be appreciated that the utility model is not limited in its application to the detailed construction and arrangement of component proposed in this paper Mode.The utility model can have other embodiment, and can realize and execute in many ways.Aforesaid deformation form It is fallen in the scope of the utility model with modification.It should be appreciated that the utility model disclosed and defined herein extends It is mentioned to text and/or drawings or all alternative combinations of two or more apparent independent features.It is described herein Embodiment illustrate to become known for realize the best mode of the utility model, and those skilled in the art will be enable to utilize The utility model.

Claims (5)

1. a kind of wellhead tree sealing device, which is characterized in that including connection ring, retaining collar, screw connection block, be fixedly mounted Hole, fixed screw, seal pipe, sealing controller, support column, connect base, sealing device, the sealing device insertion are installed on In connection ring, the connection ring is in same axle center with retaining collar, and the seal pipe insertion is installed in sealing controller, institute Support column insertion is stated to be installed in connect base, the fixed screw is installed on the top of seal pipe, the retaining collar with it is close Seal apparatus is connected, and the sealing device includes that polished rod, spring, pressure ring, airtight and watertight padding, sealing ring, damping rubber layer, blowout prevention are close Block, link block, sealing protection shell, bearing are sealed, the polished rod insertion is installed in spring, and the pressure ring is mutually glued with airtight and watertight padding It closes, the damping rubber layer insertion is installed in sealing protection shell, and the sealing ring fits with polished rod, and the spray sealing block is logical It crosses spring with link block to be connected, the sealing ring is connected with damping rubber layer, and it is anti-that the sealing ring insertion is installed on sealing In protective case, airtight and watertight padding is equipped in the sealing protection shell, the pressure ring is connected with polished rod, and the bearing insertion is installed on close It seals in protecting crust.

2. a kind of wellhead tree sealing device according to claim 1, which is characterized in that the screw connection block insertion peace Loaded in fixed mounting hole.

3. a kind of wellhead tree sealing device according to claim 1, which is characterized in that the fixed screw insertion installation In in fixed mounting hole.

4. a kind of wellhead tree sealing device according to claim 1, which is characterized in that the sealing protection shell with connect Ring is connected.

5. a kind of wellhead tree sealing device according to claim 1, which is characterized in that the following table of the sealing controller Face is connected with the upper surface of support column.