CN208122777U - A kind of jackscrew pressure cap assembly of band protection - Google Patents
A kind of jackscrew pressure cap assembly of band protection Download PDFInfo
- Publication number
- CN208122777U CN208122777U CN201820240955.8U CN201820240955U CN208122777U CN 208122777 U CN208122777 U CN 208122777U CN 201820240955 U CN201820240955 U CN 201820240955U CN 208122777 U CN208122777 U CN 208122777U
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- jackscrew
- pressure cap
- pressure
- pressure ring
- protective case
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Abstract
The utility model provides a kind of jackscrew pressure cap assembly of band protection, belong to oil gas winning apparatus technical field, including jackscrew and jackscrew pressure cap, the end surface of jackscrew is equipped with external screw thread, packing element is arranged in the middle part of jackscrew, the other end of jackscrew is arranged with jackscrew pressure cap and connect, and jackscrew pressure cap is connected with protective case close to the side of jackscrew end, the end of protective case is flushed with the end of jackscrew, and pressure ring is arranged between protective case and jackscrew, the inner surface of pressure ring and protective case fits, the inner surface of pressure ring is connected with jackscrew by screw thread, one end of pressure ring and the end of pressure cap abut against, and the other end of pressure ring is equipped at least two and parallel with the axial direction of jackscrew screws hole, the utility model structure is simple, it is easy for installation, and protection for jackscrew may be implemented.
Description
Technical field
The utility model belongs to oil gas winning apparatus technical field, and in particular to a kind of jackscrew pressure cap of band protection is total
At.
Background technique
Currently, jackscrew is at tubing head four-way upper flange outer circle in the prior art, during transportation, it is easy to hit bending,
Cause equipment to be easily damaged, causes construction delay, wasting manpower and material resources；Therefore the jackscrew pressure cap assembly for designing a kind of band protection is aobvious
It obtains particularly important.
A kind of improved pressure break of patent, gas production wellhead jackscrew mechanism（Notification number is 2016107278854）Including jackscrew,
Pressure cap and the top wire hole being arranged on well head four-way, the jackscrew are embedded into top wire hole by pressure cap, and top wire hole is second level rank
Platform hole, including front end and rear end, in rear end, the internal screw thread of pressure cap is tightened in setting, easy to process, facilitates test internal screw thread
Quality, not only ensure that the effect of jackscrew mechanism, but also easy to process and quality inspection, meanwhile, be equipped with sealing ring, guarantee jackscrew mechanism
Sealing effect has a good application prospect, but still limited for the protection and collision prevention function of jackscrew.
Therefore it is simple to be badly in need of a kind of structure, it is easy for installation, and the jackscrew with protection of the protection for jackscrew may be implemented
Pressure cap assembly.
Summary of the invention
The purpose of the utility model is to provide a kind of jackscrew pressure cap assemblies of band protection, and structure is simple, easy for installation, and can
To realize the protection for jackscrew.
The utility model provides the following technical solution：
A kind of jackscrew pressure cap assembly of band protection, including jackscrew and jackscrew pressure cap, the end surface of jackscrew are equipped with external screw thread,
Packing element is arranged in the middle part of jackscrew, the other end of jackscrew is arranged with jackscrew pressure cap to be connect, and jackscrew pressure cap is close to jackscrew end
Side be connected with protective case, the end of protective case is flushed with the end of jackscrew, and is arranged between protective case and jackscrew
The inner surface of pressure ring, pressure ring and protective case fits, and the inner surface of pressure ring is connected with jackscrew by screw thread, one end of pressure ring and pressure
The end of cap abuts against, and the other end of pressure ring is equipped at least two and parallel with the axial direction of jackscrew screws hole.
Preferably, the quantity for screwing hole is three.
Preferably, packing element includes upper Packing seat, lower Packing seat and is arranged between upper Packing seat and lower Packing seat
Filler, so that by abutting against the both ends of packing element with mounting portion and jackscrew pressure cap respectively, so as to effectively play
The effect of buffering.
Preferably, pressure ring and protective case fit surface equipped with lubricant layer, so that more convenient in pressure ring screw-in protective case.
Preferably, the externally threaded one end diameter of jackscrew peripheral hardware is greater than the middle part of jackscrew and the diameter of the jackscrew other end.
Preferably, it screws in hole and is removably connected with a rod piece, so that pressure ring is easier for installation.
The utility model has the beneficial effects that：By being connected with protective case in the end of jackscrew pressure cap, therefore can be with
Protect the jackscrew at tubing head four-way upper flange outer circle that can effectively avoid the end quilt of jackscrew during its transportation
Bending is hit, and due to that can be locked by being arranged pressure ring in protective case after jackscrew pressure cap is installed, and pressure ring is logical
It crosses and is threadedly coupled with jackscrew, and screw by using rod piece or any straight stick insertion and rotate pressure ring in hole, that is, may make pressure ring
It screws in and is abutted against with the end of jackscrew pressure cap, thus not only can more effectively realize the locking between jackscrew pressure cap and jackscrew,
And setting rod piece is detachably connected with pressure ring, so that connection is more convenient.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structure sectional view of the utility model；
Structure sectional view when Fig. 2 is the utility model installation；
Fig. 3 is the right view of pressure ring in Fig. 1；
Label in figure：10 be jackscrew, and 20 be jackscrew pressure cap, and 30 be external screw thread, and 40 be packing element, and 50 be protective case, 60
For pressure ring, 70 is screw hole, and 80 be mounting portion, and 1 is upper Packing seat, and 2 be lower Packing seat, and 3 be filler.
Specific embodiment
In conjunction with a kind of Fig. 1 to jackscrew pressure cap assembly that band is protected shown in Fig. 3, in the present embodiment, including 10 He of jackscrew
Jackscrew pressure cap 20, the end surface of jackscrew 10 are equipped with external screw thread 30, and the middle part of jackscrew 10 is arranged with packing element 40, jackscrew 10 it is another
One end is arranged with jackscrew pressure cap 20 and connect, and jackscrew pressure cap 20 is connected with protective case 50 close to the side of 10 end of jackscrew,
The end of protective case 50 is flushed with the end of jackscrew 10, and pressure ring 60 is arranged between protective case 50 and jackscrew 10, pressure ring 60 with
The inner surface of protective case 50 fits, and the inner surface of pressure ring 60 is connected with jackscrew 10 by screw thread, one end of pressure ring 60 and pressure cap
20 end abuts against, and the other end of pressure ring 60 sets and screws hole 70 there are three parallel with the axial direction of jackscrew 10.
In conjunction with Fig. 1 to a kind of jackscrew pressure cap assembly that band is protected shown in Fig. 3, in the present embodiment, packing element 40 includes
Upper Packing seat 1, lower Packing seat 2 and the filler 3 being arranged between upper Packing seat 1 and lower Packing seat 2, so that by making filler
The both ends of part 40 are abutted against with mounting portion 80 and jackscrew pressure cap 20 respectively, so as to effectively play the effect of buffering.
The utility model has the beneficial effects that：By being connected with protective case 50 in the end of jackscrew pressure cap 20, therefore
It can protect the jackscrew 10 at tubing head four-way upper flange outer circle, during its transportation, can effectively avoid jackscrew 10
End hit bending, and due to after jackscrew pressure cap 20 is installed, can by be arranged in protective case 50 pressure ring 60 into
Row locking, and pressure ring 60 is with jackscrew 10 by being threadedly coupled, and is screwed by using rod piece insertion and make the rotation of pressure ring 60 in hole 70
Enter and abutted against with the end of jackscrew pressure cap 20, to not only can more effectively realize the lock between jackscrew pressure cap 20 and jackscrew 10
Tightly, and rod piece is detachably connected with pressure ring, so that connection is more convenient.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of jackscrew pressure cap assembly of band protection, which is characterized in that including jackscrew and jackscrew pressure cap, one end table of the jackscrew
Face is equipped with external screw thread, and packing element is arranged in the middle part of the jackscrew, and the other end of the jackscrew and the jackscrew pressure cap are arranged company
It connects, and the jackscrew pressure cap is connected with protective case, the end of the protective case and institute close to the side of the jackscrew end
The end for stating jackscrew flushes, and pressure ring is arranged between the protective case and the jackscrew, the pressure ring and the protective case
Inner surface fits, and the inner surface of the pressure ring is connected with the jackscrew by screw thread, one end of the pressure ring and the pressure cap
End abut against, and the other end of the pressure ring is equipped at least two and parallel with the axial direction of the jackscrew screws hole.
2. a kind of jackscrew pressure cap assembly of band protection according to claim 1, which is characterized in that the quantity for screwing hole
It is three.
3. a kind of jackscrew pressure cap assembly of band protection according to claim 1, which is characterized in that the packing element includes upper
Packing seat, lower Packing seat and the filler being arranged between the upper Packing seat and the lower Packing seat.
4. a kind of jackscrew pressure cap assembly of band protection according to claim 1, which is characterized in that the pressure ring and the guarantor
Sheath fits surface equipped with lubricant layer.
5. a kind of jackscrew pressure cap assembly of band protection according to claim 1, which is characterized in that the outer spiral shell of the jackscrew peripheral hardware
One end diameter of line is greater than the middle part of the jackscrew and the diameter of the jackscrew other end.
6. a kind of jackscrew pressure cap assembly of band protection according to claim 1, which is characterized in that it is described screw it is removable in hole
It unloads and is connected with a rod piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240955.8U CN208122777U (en) | 2018-02-11 | 2018-02-11 | A kind of jackscrew pressure cap assembly of band protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240955.8U CN208122777U (en) | 2018-02-11 | 2018-02-11 | A kind of jackscrew pressure cap assembly of band protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122777U true CN208122777U (en) | 2018-11-20 |
Family
ID=64207772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820240955.8U Active CN208122777U (en) | 2018-02-11 | 2018-02-11 | A kind of jackscrew pressure cap assembly of band protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208122777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187425A (en) * | 2021-04-26 | 2021-07-30 | 建湖县鸿达阀门管件有限公司 | Ultrahigh-pressure ultrahigh-temperature high-sulfur-resistance HH-grade gas production wellhead device |
-
2018
- 2018-02-11 CN CN201820240955.8U patent/CN208122777U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187425A (en) * | 2021-04-26 | 2021-07-30 | 建湖县鸿达阀门管件有限公司 | Ultrahigh-pressure ultrahigh-temperature high-sulfur-resistance HH-grade gas production wellhead device |
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