CN206220905U - Packing box guard shield - Google Patents
Packing box guard shield Download PDFInfo
- Publication number
- CN206220905U CN206220905U CN201621180140.2U CN201621180140U CN206220905U CN 206220905 U CN206220905 U CN 206220905U CN 201621180140 U CN201621180140 U CN 201621180140U CN 206220905 U CN206220905 U CN 206220905U
- Authority
- CN
- China
- Prior art keywords
- packing box
- fastener
- shield
- hole
- packing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012856 packing Methods 0.000 title claims abstract description 97
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 210000004907 gland Anatomy 0.000 claims abstract description 24
- 239000003921 oil Substances 0.000 abstract description 11
- 239000010779 crude oil Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a packing box guard shield belongs to the oil field apparatus field. This packing box guard shield includes: the protective cover comprises a protective cover body, a sealing cavity, a sealing gland and a packing, wherein the protective cover body, the sealing cavity and the sealing gland are sequentially connected from bottom to top; the packing box that the guard shield body suit was treated to protect to be provided with the polished rod through-hole that is linked together respectively on guard shield body, seal chamber and the gland for pass the polished rod. The utility model discloses a with guard shield body cover on treating the packing box of protection, make the polished rod pass the polished rod through-hole on guard shield body, seal chamber and the gland when passing this packing box to do up-and-down motion. In the oil recovery process, when the packing box is punctured, the polish rod moves upwards, the pressure in the shaft is increased, crude oil is made to flow upwards from the packing box and enter the packing box protective cover, at the moment, under the blocking effect of the packing in the sealing cavity, the crude oil changes the movement direction and flows downwards to the well platform, so that the cleaning is convenient, and the environmental pollution is avoided.
Description
Technical field
The utility model is related to oil field instrument field, more particularly to a kind of packing box shield.
Background technology
With the development of oil extraction in oil field technology, plunger displacement pump oil recovery, water injecting pump oil recovery, screw pump oil production etc. are widely used in respectively
Elephant.In oil recovery process, the Leakage at wellhead polish rod is especially prominent, and the problem have impact on the normal production of oil well.
Therefore, in order to ensure the normal production of oil well, it is necessary to being sealed at wellhead polish rod.
Prior art is filled with the packing box and polished rod fitted seal well head of packing by being set in well head.Wherein, packing
Box includes body and the pressure cap being threadedly attached in above body, when using, packing, polished rod dynamic sealing ground is added in body
Pumped through packing, the Leakage at wellhead polish rod is solved by packing.
Designer has found that prior art at least has problems with：
Due to packing serious wear, change packing not in time the problems such as can cause packing box occur thorn leakage, make crude oil from disk
Give a tongue-lashing upwards in root box, easily cause environmental pollution.
Utility model content
The utility model embodiment technical problem to be solved is, there is provided a kind of disk for not resulting in environmental pollution
Root box shield.Concrete technical scheme is as follows：
A kind of packing box shield, including：Shield body, seal cavity and the sealing gland being sequentially connected from the bottom to top, with
And it is arranged on the packing in the seal cavity；
The shield body fits are on packing box to be protected, and the shield body, the seal cavity and institute
The light rod through-hole for being respectively arranged with sealing gland and being connected is stated, for through polished rod.
Specifically, preferably, the packing box shield also includes multiple fasteners, on the side wall of the shield body
Be provided with multiple relative fastener through holes, each described fastener is inserted in the fastener through holes respectively, for
The packing box offsets.
Specifically, preferably, the fastener is bolt, the fastener through holes are internal thread hole, the fastener
It is threadedly coupled with the fastener through holes.
Specifically, preferably, the fastener is bolt, it is provided with the shield body outer wall multiple tight with described
The corresponding nut of firmware through hole；
The fastener is inserted in the fastener through holes after being connected with the nut thread.
Specifically, preferably, multiple fastener through holes circumferentially direction is uniformly arranged on this side of the shield
The middle part of wall.
Specifically, preferably, the shield body includes large-diameter pipe body, is arranged on the circle of the large-diameter pipe body upper end
Cover plate, is provided with the smooth rod through-hole in the circular cover；
The seal cavity is path body, is fixed in the circular cover and is connected with the smooth rod through-hole；
The sealing gland is cylindrical covering, is sleeved on the upper end of the seal cavity, and the cylindrical covering
Upper end is also equipped with a smooth rod through-hole.
Specifically, preferably, the seal cavity is threadedly coupled with the sealing gland.
Specifically, preferably, the circular cover is welded on the large-diameter pipe body upper end, the path body is welded on
In the circular cover.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
The packing box shield that the utility model embodiment is provided, shield body is enclosed within packing box to be protected, and makes light
Bar through the light rod through-hole on shield body, seal cavity and sealing gland, and makees upper and lower while through the packing box
Move back and forth.In oil recovery process, when due to packing serious wear, change packing not in time the problems such as cause packing box to pierce
During leakage, polished rod is up, the increase of well cylinder pressure, crude oil is given a tongue-lashing upwards from packing box and is entered in the packing box shield, now,
In the seal cavity under the barrier effect of packing, crude oil changes the direction of motion, flows downward to raised platform around a well, is convenient to clean, and will not
Cause environmental pollution.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic cross-section of the packing box shield that the utility model embodiment is provided.
Reference is represented respectively：
1 shield body,
101 fastener through holes,
2 seal cavities,
3 sealing glands,
4 packings,
5 fasteners,
6 nuts.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to utility model
Implementation method is described in further detail.
The utility model embodiment provides a kind of packing box shield, as shown in figure 1, the packing box shield includes：Under
The supreme shield body 1 being sequentially connected, seal cavity 2 and sealing gland 3, and it is arranged on the packing 4 in seal cavity 2；Shield
Cover body 1 is sleeved on packing box to be protected, and is respectively arranged with shield body 1, seal cavity 2 and sealing gland 3
The light rod through-hole being connected, for through polished rod.
The operation principle of the packing box shield that the utility model embodiment is provided is as described below：
Shield body 1 is enclosed within packing box to be protected, makes polished rod that shield sheet is passed through while through the packing box
Light rod through-hole on body 1, seal cavity 2 and sealing gland 3, and pump.In oil recovery process, when due to disk
Root serious wear, change packing not in time the problems such as cause packing box occur thorn leakage when, polished rod is up, well cylinder pressure increase,
Crude oil is set to give a tongue-lashing upwards from packing box and enter in the packing box shield, now, the barrier effect of packing 4 in seal cavity 2
Under, crude oil changes the direction of motion, flows downward to raised platform around a well, is convenient to clean, and do not result in environmental pollution.
Wherein, the size of light rod through-hole is basically identical with light rod through-hole on packing box to be protected.
In the utility model embodiment, as shown in figure 1, packing box shield also includes multiple fasteners 5, in shield body
Multiple relative fastener through holes 101 are provided with 1 side wall, each fastener 5 inserts a fastener through holes 101 respectively
It is interior, for being offseted with packing box.By setting multiple relative fastener through holes 101 and corresponding fastener 5, work as fastener
5 insertion fastener through holes 101 and when propping up packing box, packing box uniform force, and then packing box shield is covered on packing box
Dress is firm.Wherein, fastener 5 can for various, for example, can be pin, bolt etc., the shape of fastener through holes 101, structure with
Fastener 5 is adapted, for example, be manhole, internal thread hole etc., after it can realize the insertion fastener through holes 101 of fastener 5
Prop up the packing box.
Used as a kind of implementation method, fastener 5 is bolt, and fastener through holes 101 are internal thread hole, fastener 5 and fastening
Part through hole 101 is threadedly coupled.By being set as above, tightness of the fastener 5 in fastener through holes 101 is not only increased, entered
And the tightness between packing box shield and packing box is improve, and make suit and dismounting of the packing box shield on packing box
More facilitate.It is understood that in this kind of implementation method, fastener 5 includes screw rod and is fixed on the bolt of screw rod one end
Head, fastener through holes 101 are internal thread hole, and the external screw thread being adapted with the internal thread hole is provided with screw rod.According to actual disk
The fastener through holes 101 of the size choosing multiple specification of root box, for example, fastener through holes 101 can be one a diameter of
16mm-20mm, and with female circular hole, preferably, a diameter of 18mm of fastener through holes 101.
As another embodiment, as shown in figure 1, multiple fasteners 5 are bolt, it is provided with the outer wall of shield body 1
Multiple nuts 6 corresponding with fastener through holes 101；Fastener 5 is inserted in fastener through holes 101 after being threadedly coupled with nut 6.It is logical
Cross and be set as above, by the precession in nut 6 or back-out fastener 5, you can realize that packing box shield consolidates set on packing box
Dress is dismantled.It is understood that in this kind of implementation method, fastener 5 includes screw rod and is fixed on the bolt of screw rod one end
Head, nut 6 is adapted with screw rod, and the shape and structure of fastener through holes 101 can be various, as long as it can just make fastener
5 by the way that such as fastener through holes 101 can be manhole, rectangular through-hole, triangle through hole, internal thread hole etc..It is multiple
Nut 6 is preferably welded on the outer wall of shield body 1, stability when ensure that fastener 5 offsets with packing box.
Further, circumferentially direction is uniformly arranged on the middle part of the side wall of shield body 1 to multiple fastener through holes 101.I.e.
Multiple (such as 2,3,4 etc.) fastener through holes 101 are in symmetric relation, by being arranged such, when multiple fasteners 5 are passed through
When multiple fastener through holes 101 prop up packing box, packing box uniform force makes shield body 1 firmly be sleeved on packing box.
For example, fastener through holes 101 are two, then two fastener through holes 101 are located at the middle part of the side wall of shield body 1 with respect to position
(the radial direction angle of two fastener through holes 101 is 180 °) is put, now, fastener 5 is also two, and two fasteners 5 pass through two
Packing box is propped up after individual fastener through holes 101, you can complete suit of the packing box shield on packing box, both material-saving, and
It is easy to prepare and is molded.
Shield body 1 is used to accommodate packing box, and seal cavity 2 is used to accommodate sealed packing, and sealing gland 3 is used to compress this
Sealed packing, based on their own function, in the utility model embodiment, shield body 1 includes large-diameter pipe body, is arranged on
The circular cover of large-diameter pipe body upper end, is provided with light rod through-hole in circular cover；Seal cavity 2 is path body, is fixed on circle
It is connected on shape cover plate and with light rod through-hole；Sealing gland 3 is cylindrical covering, is sleeved on the upper end of seal cavity 2, and circle
Cylindricality lid upper end is also equipped with a light rod through-hole.It will be appreciated by persons skilled in the art that because packing box is cylinder
Shape structure, therefore, using large-diameter pipe body and the circular cover with light rod through-hole can make packing box shield on packing box
Suit effect is more preferable.
Specification according to packing box to be protected determines the specification of shield body 1, seal cavity 2 and sealing gland 3, base
In packing box commonly used in the art, for example, the large-diameter pipe body in the utility model embodiment can be an external diameter
For 75mm-80mm, length are the steel pipe of 150mm-160mm, preferably, the external diameter of large-diameter pipe body is 75mm, length is
150mm.Circular cover can be 75mm-80mm for an external diameter, thickness is 4mm-8mm, and is provided with an a diameter of 32mm-
The circular steel plate of the light rod through-hole of 42mm, preferably, the external diameter of circular cover is 75mm, thickness is 5mm, light rod through-hole it is straight
Footpath is 40mm.Path body can be 50mm-60mm for an internal diameter, length is 35mm-45mm, thickness of pipe wall is 5mm-10mm's
Steel pipe, preferably, the internal diameter of path body be 55mm, length be 40mm, thickness of pipe wall be 7mm.Cylindrical covering can be one
Individual height is 25mm-35mm, upper end is provided with a cylindrical steel lid for the light rod through-hole of a diameter of 32mm-42mm, used as excellent
Choosing, the height of cylindrical covering is 30mm, a diameter of 40mm of light rod through-hole.Wherein, preferably, the internal diameter ratio of path body
Diameter big 13mm-23mm, such as 14mm, 16mm, 18mm of light rod through-hole etc., enable packing 4 to be accommodated in small diameter tube
In body.
Further, seal cavity 2 is threadedly coupled with sealing gland 3, seal cavity 2 is connected fastening with sealing gland 3,
And it is easy to disassemble, change very convenient during the packing 4 in seal cavity 2, while can be by the 3 pairs of sealings of rotatory sealing gland
Packing 4 in cavity 2 is extruded, and the sealing of packing 4 and polished rod is better achieved.Specifically, in path body (i.e. annular seal space
Body 2) outer wall is provided with external screw thread, in the inwall of cylindrical covering (i.e. sealing gland 3) is provided with and be adapted with the external screw thread
Screw thread, to realize above-mentioned threaded connection relation.
Further, in order to ensure the tightness that shield body 1 is connected with path body, meanwhile, packing 4 is stablized
Be placed in path body, circular cover is welded on large-diameter pipe body upper end, path body is welded in circular cover.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit protection domain of the present utility model,
It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc. should be included in this reality
Within new protection domain.
Claims (8)
1. a kind of packing box shield, it is characterised in that the packing box shield includes：The shield body being sequentially connected from the bottom to top
(1), seal cavity (2) and sealing gland (3), and it is arranged on the packing (4) in the seal cavity (2)；
The shield body (1) is sleeved on packing box to be protected, and the shield body (1), the seal cavity (2)
With the light rod through-hole that is connected is respectively arranged with the sealing gland (3), for through polished rod.
2. packing box shield according to claim 1, it is characterised in that the packing box shield also includes multiple fasteners
(5) multiple relative fastener through holes (101), each described fastener, are provided with the side wall of the shield body (1)
(5) insert in a fastener through holes (101) respectively, for being offseted with the packing box.
3. packing box shield according to claim 2, it is characterised in that the fastener (5) is bolt, the fastener
Through hole (101) is internal thread hole, and the fastener (5) is threadedly coupled with the fastener through holes (101).
4. packing box shield according to claim 2, it is characterised in that the fastener (5) is bolt, the shield sheet
Multiple nuts (6) corresponding with the fastener through holes (101) are provided with body (1) outer wall；
The fastener (5) is inserted in the fastener through holes (101) after being threadedly coupled with the nut (6).
5. packing box shield according to claim 2, it is characterised in that multiple fastener through holes (101) are circumferentially
Direction is uniformly arranged on the middle part of shield body (1) side wall.
6. packing box shield according to claim 1, it is characterised in that the shield body (1) including large-diameter pipe body, set
The circular cover in the large-diameter pipe body upper end is put, the smooth rod through-hole is provided with the circular cover；
The seal cavity (2) is path body, is fixed in the circular cover and is connected with the smooth rod through-hole；
The sealing gland (3) is cylindrical covering, is sleeved on the upper end of the seal cavity (2), and the cylindrical cap
Body upper end is also equipped with a smooth rod through-hole.
7. packing box shield according to claim 6, it is characterised in that the seal cavity (2) and the sealing gland
(3) it is threadedly coupled.
8. packing box shield according to claim 6, it is characterised in that the circular cover is welded on the large-diameter pipe body
Upper end, the path body is welded in the circular cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180140.2U CN206220905U (en) | 2016-11-03 | 2016-11-03 | Packing box guard shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180140.2U CN206220905U (en) | 2016-11-03 | 2016-11-03 | Packing box guard shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220905U true CN206220905U (en) | 2017-06-06 |
Family
ID=58789483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621180140.2U Active CN206220905U (en) | 2016-11-03 | 2016-11-03 | Packing box guard shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206220905U (en) |
-
2016
- 2016-11-03 CN CN201621180140.2U patent/CN206220905U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207615120U (en) | A kind of pressure glue injecting device | |
| CN112647886B (en) | Annular blowout preventer for oil field well mouth | |
| CN206787932U (en) | A kind of fracturing plugging ball performance testing device | |
| CN206220905U (en) | Packing box guard shield | |
| CN203570262U (en) | Fixed rack device for oil-well gas valve replacement under pressure | |
| CN202132010U (en) | Bearing type self-lubricating sealer for polish rod | |
| CN206903845U (en) | Fixed sand setting chamber Anti-sand oil pump | |
| CN204738779U (en) | Clean environment -friendly device of pumpingh well well head | |
| CN207829869U (en) | A kind of visualization sand-filling tube model detachably recycled | |
| CN209441888U (en) | A kind of Petroleum Refining Additives storage device | |
| CN201963246U (en) | Liquid collecting and flow guiding disc on top of blowout preventer | |
| CN204457567U (en) | A kind of thermal production well mouth note takes out dual-purpose seal box | |
| CN206582324U (en) | A kind of cylinder plunger bar superhigh pressure sealing ring | |
| CN102691488B (en) | Anomalous character plastic cement injects packing_seal wellhead assembly and method | |
| CN206522115U (en) | A kind of packing box of oil production wellhead sealing device | |
| CN204571902U (en) | Directed drainage type polished rod seal anti-fouler | |
| CN214883724U (en) | Circular pit supporting device | |
| CN202510049U (en) | Polish rod centring device | |
| CN202174395U (en) | Hydraulic cylinder | |
| CN204252910U (en) | Wellhead oil extraction sealing device | |
| CN204298719U (en) | A kind of filling and sealing machine for highway engineering | |
| CN206309323U (en) | Blowout and leakage prevention packing box | |
| CN221524254U (en) | Sizing steel template pull rod hole slurry leakage prevention plugging device | |
| CN202990934U (en) | Well mouth telescopic compensator for oil well | |
| CN213574039U (en) | Physical blockage removing device for water injection well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |