CN206860141U - Half bag enhancing set, cartridge and packer - Google Patents
Half bag enhancing set, cartridge and packer Download PDFInfo
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- CN206860141U CN206860141U CN201720698108.1U CN201720698108U CN206860141U CN 206860141 U CN206860141 U CN 206860141U CN 201720698108 U CN201720698108 U CN 201720698108U CN 206860141 U CN206860141 U CN 206860141U
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- sleeve
- seal ring
- gap
- half bag
- ring
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 74
- 230000001965 increasing effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 114
- 239000000463 material Substances 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 238000005253 cladding Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The application is related to field of sealing technology, more particularly to a kind of half bag enhancing set, cartridge and packer.Half bag enhancing set, including ring plate, sleeve, the top edge of sleeve is fixedly connected on the outward flange of ring plate, sleeve has in the gap of surface extension, part or all of sleeve is divided into more than two gear pieces by gap, to reduce the hardness of end part seal ring and half bag enhancing set combination to prevent intermediate seal ring from producing shoulder；The lower edge of sleeve is towards intermediate seal ring；In end part seal ring by axial compressive force and after being compressed in vertical direction, the lower edge of sleeve does not contact with intermediate seal ring, to prevent intermediate seal ring from being pierced through by the lower edge of sleeve.In this application, in the case where keeping half bag enhancing cover material hardness or material thickness constant, by setting the size in sleeve gap, quantity, length, angle to reduce the hardness of half bag enhancing set and end part seal ring combination, the requirement of double of bag enhancing cover material hardness or material thickness is reduced.
Description
Technical field
The application is related to field of sealing technology, is covered more particularly to a kind of half bag enhancing suitable for cartridge, has and be somebody's turn to do half
The cartridge of bag enhancing set and the packer for being provided with the cartridge.
Background technology
Fig. 1 is the structural representation of upper end sealing ring 2, and Fig. 2 is that the cartridge with the upper end sealing ring 2 is installed on set
Structural representation between pipe 4 and central tube 5.As shown in figure 3, when upper end sealing ring 2 is softer, the top of upper end sealing ring 2
Shoulder 6 can be produced, the shoulder 6 can rupture when pressure is excessive and cause the seal failure of cartridge.As shown in figure 4, when upper
When holding sealing ring 2 harder, the outer surface of upper end sealing ring 2 is not bonded with sleeve pipe 4/non-contravention and form gap, intermediate seal ring 3
It can move up to form shoulder 6 in the gap.The stress of cartridge, chronologically it is divided into two stages：First stage, sealing
Packing element is made cartridge radially extend the sealing to be formed with sleeve pipe 4 and central tube 5 by top-down vertical pressure；Second-order
Section, inject substantial amounts of high temperature and high pressure steam to underground and carry out vexed well, cause cartridge to be steamed by HTHP from bottom to top
The effect of vapour.Fig. 3 and Fig. 4 shows the deformation that the bottom of second stage posterior end sealing ring 7 is upturned.
9th phase in 2002《Petroleum machinery》Disclose《Packer compresses packing element " protrusion-dispelling " new construction》, wherein recording
Following content：" due to anti-lug structure be for covering the annular gap between packer and sleeve pipe, during packer setting, once glue
Cylinder deformation contacts with casing wall, and under load effect outside, outburst prevention device is with regard to the unfolded annular space covered between packer and casing wall, resistance
Only packing element is towards prominent in this annular space, forces packing element to uniform compression, to produce and keep the higher contact stress of packing element in each,
So as to obtain good sealing "." ... mainly there are copper bowl curing type and steel mesh or two kinds of steel band curing type.The former is by two
Copper bowl thick 2mm is solidificated on two end packing element end faces respectively, and the latter is that thick 1mm or so steel mesh or steel band is solid respectively
Change and held at two on packing element end face ".According to above-mentioned record, copper sheathing can be coated in the upper part of upper end sealing ring, to prevent
Only upper end sealing ring produces shoulder.But if copper sheathing is thicker, upper end sealing ring radially extends deficiency, copper sheathing and set when being pressurized
Gap between pipe be present, form the shoulder being similar to shown in Fig. 4, and upper end sealing ring can also produce less shoulder in itself；If
Copper sheathing is relatively thin, then can not prevent upper end sealing ring from producing to be similar to the similar shoulders of Fig. 3.
Similarly, in the first stage, the lower anchor ring of lower end sealing ring produces downward shoulder if lower end sealing ring is softer；
The lower anchor ring of intermediate seal ring produces downward shoulder if lower end sealing ring is harder.Possibly, when the vertical pressure of first stage
When power is sufficiently large, the shoulder of lower end sealing ring and the shoulder of intermediate seal ring do not support to second stage also and ruptured, by
To during second stage high temperature and high pressure steam effect from bottom to top, rupture shoulder disappears because moving up, and to turn shape be the plane of fracture,
The plane of fracture causes the seal failure of cartridge due to the continuous action by high temperature and high pressure steam.So sealed when pulling down
After the cartridge of failure, it is found that the lower anchor ring of lower end sealing ring does not produce shoulder and the lower anchor ring of intermediate seal ring does not produce
Shoulder, and be mistakenly considered lower end sealing ring and have no setting copper sheathing to increase necessity of hardness, it will not more adjust copper sheathing thickness and come simultaneously
Prevent the shoulder of lower end sealing ring and intermediate seal ring.And although prior art also has the upper and lower ends in cartridge while set
Put the situation of copper sheathing, but it is reverse during its purpose is to prevent cartridge upper and lower ends from installing, and its essence is that a kind of fool proof is set
Meter.
Generally, those skilled in the art can attempt the copper sheathing of selected suitable thickness, in the thickness, can prevent that end is close
The shoulder and can of seal ring prevents the shoulder of intermediate seal ring.Now, be installed on the copper sheathing of upper end sealing ring thickness be possible to
The thickness for being installed on the copper sheathing of lower end sealing ring is identical.
Utility model content
The purpose of the application is to provide a kind of the solution upper end sealing ring different from existing thinking and intermediate seal ring shoulder
The technical scheme of prominent problem.
According to the one side of the application, there is provided a kind of half bag enhancing set suitable for cartridge, the cartridge
Intermediate seal ring including the end part seal ring positioned at both ends and positioned at centre, the half bag enhancing set include：
The integrally formed ring plate extended in the horizontal direction, the center of the ring plate is with logical with the end part seal ring
The perforate that hole is coaxially disposed, the anchor ring of the ring plate can be affixed with an anchor ring of the end part seal ring；
In the sleeve of vertical direction extension, the top edge of the sleeve is fixedly connected on the outward flange of the ring plate, described
The inner surface of sleeve can be affixed with the outer surface of the end part seal ring, to prevent the end part seal ring from producing shoulder；It is described
Sleeve has the gap extended on the surface of the sleeve, and part or all of the sleeve is divided into two by the gap
Gear piece above, strengthen the hardness for covering combination to reduce the end part seal ring and described partly wrap to prevent the intermediate seal
Ring produces shoulder；
After the half bag enhancing set is installed on the end part seal ring, the lower edge of the sleeve is towards the intermediate seal
Ring；In the end part seal ring by axial compressive force and after being compressed in vertical direction, the lower edge of the sleeve with it is described in
Between sealing ring do not contact, with prevent the intermediate seal ring by the sleeve the lower edge pierce through.
Preferably, the upper end in the gap connects with the top edge of the sleeve, the lower end in the gap with it is described
The lower edge of sleeve connects, and the whole of the sleeve is divided into the gear piece to reduce the combination by the gap
Hardness.
Preferably, the upper end in the gap does not connect with the top edge of the sleeve, the lower end in the gap and institute
The lower edge for stating sleeve connects, and a part for the sleeve is divided into the gear piece to reduce the combination by the gap
The hardness of body.
Preferably, the gap extends in the vertical direction and part or all by the sleeve is divided into institute
The gear piece of vertical direction extension is stated, to reduce the hardness of the combination.
Preferably, the angle between the gap and the vertical direction is β, and the gap is by a part for the sleeve
Or all it is divided into the gear piece in the direction extension for being β into angle with the vertical direction；By reduce the angle come
Reduce the hardness of the combination, increase the hardness of the combination by increasing the angle.
Preferably, the gap, which is respectively less than, is equal to 2mm.
Preferably, the quantity of the gear piece is 2-12.
Preferably, the gap is shaped as straight line or identical curve.
Preferably, the form and dimension of each gear piece is identical.
Preferably, after the gear piece deploys in the horizontal direction, the ring plate is described positioned at the center of the half bag enhancing set
The outward flange of ring plate and the gear piece integrally connected；The gap extends to the direction away from the ring plate and gradually increased
Greatly.
According to the another aspect of the application, there is provided a kind of cartridge, including end part seal ring positioned at both ends and
Positioned at middle intermediate seal ring, half bag enhancing set is installed on the end part seal ring.
According to another aspect of the application, there is provided a kind of packer, the packer have above-mentioned cartridge.
The technical scheme that the application provides at least has the following technical effect that：
In this application, in the case where keeping half bag enhancing cover material hardness or material thickness constant, covered by setting
The cylinder size in gap, quantity, length, angle reduce the hardness of half bag enhancing set and end part seal ring combination, reduce pair
The requirement of half bag enhancing cover material hardness or material thickness.
Brief description of the drawings
Some specific embodiments of the application are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.In accompanying drawing：
Fig. 1 is the structural representation of upper end sealing ring, and the shape of lower end sealing ring is similar to the structure of upper end sealing ring；
Fig. 2 is the cartridge of upper end sealing ring, intermediate seal ring and lower end sealing ring composition when not applying vertical pressure
With sleeve pipe and the location diagram of central tube；
When Fig. 3 is that the upper end sealing ring shown in Fig. 2 is softer, apply cartridge and sleeve pipe and central tube after axial compressive force
Location diagram；
When Fig. 4 is that the upper end sealing ring shown in Fig. 2 is harder, apply cartridge and sleeve pipe and central tube after axial compressive force
Location diagram；
Fig. 5 is cartridge and set when the bag enhancing of upper end sealing ring cladding half shown in Fig. 2 covers and do not apply vertical pressure
The location diagram of pipe and central tube；
Fig. 6 is the structural representation of the half bag enhancing set of the application one embodiment；
Fig. 7 is the top view after half bag enhancing set expansion shown in Fig. 6；
Fig. 8 is the structural representation of half bag enhancing set of the application another embodiment；
Fig. 9 is the top view after half bag enhancing set expansion shown in Fig. 8；
Figure 10 is the structural representation of half bag enhancing set of the application further embodiment.
Right side semi-cutaway is illustrate only in Fig. 2, Fig. 3, Fig. 4, Fig. 5.
Reference in figure is as follows：
1- half wraps enhancing set；
11- ring plates, 111- perforates, 112- ring plates outward flange；
12- sleeves, 121- sleeve top edges, 122- sleeve lower edges, 123- sleeves gap, 124- gear pieces, 125- bands；
2- upper ends sealing ring；
21- upper ends seal ring outer surface；
22- upper ends sealing ring upper ring surface；
Anchor ring under the sealing ring of 23- upper ends；
24- upper ends sealing ring through hole；
3- intermediate seal rings；
4- sleeve pipes；
5- central tubes；
6- shoulders；
7- lower ends sealing ring；
Y- vertical directions；
The angle of β-between sleeve gap and vertical direction.
Embodiment
Fig. 5 shows that the application half wraps the structure that enhancing set 1 is coated on upper end sealing ring 2, is wrapped referring to Fig. 1 and from Fig. 5, half
The upper part and upper end sealing ring upper ring surface 22 of the cladding upper end sealing ring outer surface 21 of enhancing set 1, without coating upper end sealing ring
Lower anchor ring 23.
The application is based on following thinking：While keeping half bag enhancing to cover 1 pair of end sealing ring cladding power, half is reduced
The restraint that bag enhancing 1 pair of end sealing ring of set radially extends.
Referring to Fig. 6, Fig. 8 and Figure 10, partly bag enhancing set 1 should include：
The integrally formed ring plate 11 extended in the horizontal direction, the center of the ring plate 11 has to be sealed with upper end shown in Fig. 1
The perforate 111 that ring through hole 24 is coaxially disposed, the anchor ring inside sleeve 12 of ring plate 11 can be with the upper ring surface of upper end sealing ring 2
It is affixed or is affixed with the lower anchor ring of lower end sealing ring 7.
In the sleeve 12 of vertical direction extension, sleeve top edge 121 is fixedly connected on ring plate outward flange 112, sleeve 12
Inner surface can be affixed with the outer surface of upper end sealing ring 2 or the outer surface of lower end sealing ring 7, to prevent the upper of upper end sealing ring 2
Anchor ring produces shoulder 6 as shown in Figure 3, or prevents the lower anchor ring of lower end sealing ring 7 from producing shoulder 6.Sleeve 12 has at it
Sleeve 12 is all divided into more than two gear pieces by the sleeve gap 123 of surface extension, sleeve gap 123 as shown in Figure 6
124, or a part for sleeve 12 is divided into more than two gear pieces 124 by sleeve gap 123 as shown in Figure 10.
Upper end sealing ring 2 and lower end sealing ring 7 are by axial compressive force (including the pressure straight down of first stage and
Two-stage high temperature and high pressure gas apply pressure straight up) when radially extend, be coated on upper end sealing ring outer surface 21
And the sleeve 12 of the outer surface of lower end sealing ring 7 is driven and does synchronous radially extend.So upper end sealing ring 2 and lower end sealing ring
7 need to overcome the constraint of sleeve 12 when radially extending.In this application, sleeve 12 is divided into by the setting in sleeve gap 123
The gear piece 124 being separated from each other, when upper end sealing ring 2 and lower end sealing ring 7 radially extend, each gear piece 124, which is driven, does synchronization
Close sleeve pipe 4 motion, be each gradually disengaged due to sleeve gap 123 be present between each gear piece 124, so can be big
The big constraint for reducing sleeve 12 to upper end sealing ring 2 and lower end sealing ring 7 so that when by the axial compressive force of formed objects,
Upper end sealing ring 2 and lower end sealing ring 7 can do more extensions in radial direction, equivalent to reduce half bag enhancing set 1 with
The hardness of end part seal ring (upper end sealing ring 2, lower end sealing ring 7) combination, can be prevented caused by combination hardness is excessive
Intermediate seal ring 3 produces shoulder 6 up and down.
The sleeve 12 of vertical direction extension is fixedly connected with the ring plate 11 that horizontal direction extends, and is sleeved in enhancing set 1
When bearing axial compressive force, upper end sealing ring 2 or lower end sealing ring 7 are in vertical direction for upper end sealing ring 2 or lower end sealing ring 7
Length diminishes and radially extended.Because sleeve pipe 12 and upper end sealing ring 2 or lower end sealing ring 7 are brought into close contact, the meeting pair of ring plate 11
The upper surface of upper end sealing ring 2 or the lower surface of lower end sealing ring 7 produce cladding, and upper end sealing ring 2 needs to overcome half bag to strengthen
Shoulder 6 could be formed by covering 1 downward cladding power and raising up.So set half bag enhancing set 1 can on upper end sealing ring 2
Effectively to prevent the generation of the shoulder 6 on upper end sealing ring 2；And lower end sealing ring 7 needs also exist for overcoming half bag enhancing set 1
Upward cladding power simultaneously downwardly convex could form shoulder 6.So lower end sealing ring 7 sets half bag enhancing set 1 can be effectively
Prevent the lower anchor ring of lower end sealing ring 7 from producing shoulder 6.
By narration above, in the case of half bag enhancing 1 selected material of set, if being somebody's turn to do half bag enhancing set 1 can have
Prevent to effect the upper ring surface of upper end sealing ring 2 or the lower anchor ring of lower end sealing ring 7 from producing shoulder 6, then keep half bag enhancing set 1
Thickness is constant, otherwise should increase the thickness of half bag enhancing set 1.In the situation that the material and thickness of half bag enhancing set 1 determine
Under, if half bag enhancing set 1 is excessive with the hardness of end part seal ring combination, can be reduced by following scheme：
Scheme one：Increase the quantity in sleeve gap 123.In one embodiment, the quantity in sleeve gap 123 is 2；
In another embodiment, the quantity in sleeve gap 123 is 12；In Fig. 7 and embodiment illustrated in fig. 9, the number in sleeve gap 123
Measure as 10.
Scheme two：Increase the size in sleeve gap 123：In one embodiment, sleeve gap 123 is 2mm；At another
In embodiment, sleeve gap 123 is 0.5mm；In a further embodiment, sleeve gap 123 is 1mm.
Scheme three：Reduce sleeve gap 123 and the angle β of vertical direction angle：In the embodiment shown in fig. 6, angle β
For 0 °；In the embodiment shown in fig. 8, angle β is 30 °.It is apparent that when angle β is closer to 90 °, half 1 opposite end of bag enhancing set
The binding force of portion's sealing ring is bigger.
Scheme four：Increase the length in sleeve gap 123：In Fig. 6 and embodiment illustrated in fig. 8, the upper end in sleeve gap 123
Connect with sleeve top edge 121, the lower end in sleeve gap 123 connects with sleeve lower edge 122, and sleeve gap 123 is by sleeve 12
Whole be divided into gear piece 124.In the embodiment shown in fig. 10, set between the upper end in sleeve gap 123 and sleeve top edge 121
Band 125 is equipped with, sleeve gap 123 is not provided with band 125.That is, the upper end in sleeve gap 123 and sleeve top edge 121 be not
Connect, the lower end in sleeve gap 123 connects with sleeve lower edge 122, and the bottom of sleeve 12 is divided into gear piece by sleeve gap 123
124.It is apparent that when the length in sleeve gap 123 is bigger, half bag enhancing set 1 is smaller with the hardness of end part seal ring combination.
So the hardness of combination can be adjusted by adjusting the size of band 125.
Scheme five：The combination that two kinds, three kinds or four kinds of above scheme.
Pass through above-mentioned technical proposal, can in the case where keeping half bag enhancing 1 material hardness of set or material thickness constant,
By setting the size in sleeve gap 123, quantity, length, angle to reduce by half bag enhancing set 1 and end part seal ring combination
Hardness, reduce the requirement of double of bag enhancing 1 material hardness of set or material thickness.
In order to keep the uniformity that combination radially extends when being pressurized, in one embodiment, the shape of sleeve gap 123
For straight line or identical curve, the so each point of half 1 pair of cladding of upper end sealing ring 2 of bag enhancing set or lower end sealing ring 7 coats
The binding force of each point is substantially identical, improves the uniformity of combination hardness.In another embodiment, each gear piece 124
Form and dimension it is identical, this similarly help to improve combination hardness uniformity.
It is used as the description of another angle that enhancing 1 shape of set is wrapped to the application half and defined below：As shown in figures 7 and 9,
After gear piece 124 deploys in the horizontal direction, ring plate 11 is positioned at the center of half bag enhancing set 1, ring plate outward flange 112 and gear piece 124 1
Body connects, and sleeve gap extends to the direction away from ring plate 11 and gradually increased, and gear piece 124 is with ring plate 11 not in same level
On.Due to band 125 be present, with ring plate 11 not in same level after the gear piece 124 of half bag enhancing set 1 deploys shown in Figure 10
On.
After half bag enhancing set 1 is installed on upper end sealing ring 2 and lower end sealing ring 7, sleeve lower edge 122 is close towards centre
Seal ring 3, i.e., the cladding upper end of as shown in Figure 5 half bag enhancing set 1 seal ring in the upper part and upper end sealing ring of ring outer surface 21
Face 22.It is installed in unshowned half bag enhancing set 1 in the structure of lower end sealing ring 7, the cladding lower end sealing ring of half bag enhancing set 1
The lower part of 7 outer surface and the lower anchor ring of lower end sealing ring 7.In upper end, sealing ring 2 and lower end sealing ring 7 are by axial compressive force
And after vertical direction is compressed, sleeve lower edge 122 should not contact with intermediate seal ring 3, to prevent the quilt of intermediate seal ring 3
Sleeve lower edge 122 pierces through.Because cartridge is when bearing the vertical pressure of first stage, intermediate seal ring 3 is upward respectively
Sealing ring 2 and the displacement of lower end sealing ring 7 are held, if half bag enhancing set 1 exists with the upper end sealing ring 2 after compression and lower end sealing ring 7
Length is identical on vertical direction, and intermediate seal ring 3 is in contact with sleeve lower edge 122 and pierced possibility be present.Therefore when upper
When holding sealing ring 2 and the identical length of lower end sealing ring 7, the length of half bag enhancing set 1 should be less than the upper end sealing ring 2 after compression
And the length of lower end sealing ring 7.When 7 length difference of upper end sealing ring 2 and lower end sealing ring, it is coated on upper end sealing ring 2
Half bag enhancing set 1 should be less than compression after the upper end sealing ring 2 length, be coated on lower end sealing ring 7 half bag increase
Strong set 1 should be less than the length of the lower end sealing ring 7 after compression.Should be close less than end for the length of half bag enhancing set 1
The concrete numerical value of seal ring (upper end sealing ring 2 and lower end sealing ring 7), the application are defined to：In end part seal ring by axial pressure
Power and when vertical direction is compressed, sleeve lower edge 122 should not contact with intermediate seal ring 3.
The application also provides a kind of cartridge, including upper end sealing ring 2, lower end sealing ring 7 and position positioned at both ends
1 is covered in the half bag enhancing for being provided with above-mentioned on middle intermediate seal ring 3, upper end sealing ring 2, lower end sealing ring 7.
The application also provides a kind of packer, and the packer has the cartridge for being provided with above-mentioned half bag enhancing set 1.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the multiple of the application and show
Example property embodiment, still, still can be direct according to present disclosure in the case where not departing from the application spirit and scope
It is determined that or derive many other variations or modifications for meeting the application principle.Therefore, scope of the present application is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (12)
1. it is a kind of suitable for cartridge half bag enhancing set, the cartridge include positioned at both ends end part seal ring and
Intermediate seal ring (3) positioned at centre, it is characterised in that the half bag enhancing set includes：
The integrally formed ring plate (11) extended in the horizontal direction, the center of the ring plate (11) have and the end part seal ring
The perforate (111) that is coaxially disposed of through hole, the anchor ring of the ring plate (11) can be affixed with an anchor ring of the end part seal ring；
In the sleeve (12) of vertical direction extension, the top edge of the sleeve (12) is fixedly connected on the outside of the ring plate (11)
Edge, the inner surface of the sleeve (12) can be affixed with the outer surface of the end part seal ring, to prevent the end part seal ring from producing
Raw shoulder (6)；The sleeve (12) has the gap extended on the surface of the sleeve (12), and the gap is by the sleeve
(12) part or all is divided into more than two gear pieces (124), is increased with reducing the end part seal ring with half bag
The hardness of strong set combination prevents the intermediate seal ring (3) from producing shoulder (6)；
After the half bag enhancing set is installed on the end part seal ring, the lower edge of the sleeve (12) is towards the intermediate seal
Ring (3)；In the end part seal ring by axial compressive force and after being compressed in vertical direction, the lower edge of the sleeve (12) with
The intermediate seal ring (3) does not contact, to prevent the intermediate seal ring (3) from being pierced by the lower edge of the sleeve (12)
Wear.
2. half bag enhancing set according to claim 1, it is characterised in that
The upper end in the gap connects with the top edge of the sleeve (12), the lower end in the gap and the sleeve (12)
The lower edge connect, the whole of the sleeve (12) is divided into the gear piece (124) to reduce the knot by the gap
Fit hardness.
3. half bag enhancing set according to claim 1, it is characterised in that
The upper end in the gap does not connect with the top edge of the sleeve (12), the lower end in the gap and the sleeve
(12) the lower edge connects, and a part for the sleeve (12) is divided into the gear piece (124) to reduce by the gap
The hardness of the combination.
4. half bag enhancing set according to claim 1, it is characterised in that
The gap extends in the vertical direction and part or all by the sleeve (12) is divided into described vertical
The gear piece (124) of direction extension, to reduce the hardness of the combination.
5. half bag enhancing set according to claim 1, it is characterised in that
Angle between the gap and the vertical direction is β, the gap by the sleeve (12) part or all
It is divided into the gear piece (124) in the direction extension for being β into angle with the vertical direction.
6. half bag enhancing set according to claim 1, it is characterised in that
The gap, which is respectively less than, is equal to 2mm.
7. half bag enhancing set according to claim 6, it is characterised in that
The quantity of the gear piece (124) is 2-12.
8. half bag enhancing set according to claim 1, it is characterised in that
The gap is shaped as straight line or identical curve.
9. half bag enhancing set according to claim 8, it is characterised in that
The form and dimension of each gear piece (124) is identical.
10. half bag enhancing set according to claim 1, it is characterised in that
After the gear piece (124) is deployed in the horizontal direction, the ring plate (11) is positioned at the center of the half bag enhancing set, the ring
The outward flange of piece (11) and the gear piece (124) integrally connected；Prolong to the direction away from the ring plate (11) in the gap
Stretch and gradually increase.
11. a kind of cartridge, including the end part seal ring positioned at both ends and the intermediate seal ring (3) positioned at centre, it is special
Sign is, half bag enhancing set described in one of claim 1-10 is provided with the end part seal ring.
12. a kind of packer, it is characterised in that there is the cartridge described in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698108.1U CN206860141U (en) | 2017-06-15 | 2017-06-15 | Half bag enhancing set, cartridge and packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698108.1U CN206860141U (en) | 2017-06-15 | 2017-06-15 | Half bag enhancing set, cartridge and packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860141U true CN206860141U (en) | 2018-01-09 |
Family
ID=60826222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720698108.1U Active CN206860141U (en) | 2017-06-15 | 2017-06-15 | Half bag enhancing set, cartridge and packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269247A (en) * | 2017-06-15 | 2017-10-20 | 隆学武 | Half bag enhancing set, cartridge and packer |
-
2017
- 2017-06-15 CN CN201720698108.1U patent/CN206860141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269247A (en) * | 2017-06-15 | 2017-10-20 | 隆学武 | Half bag enhancing set, cartridge and packer |
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| TR01 | Transfer of patent right |
Effective date of registration: 20181029 Address after: 100035 C 2003, Cheng Ming House, 2 Xizhimen inner street, Xicheng District, Beijing. Patentee after: Tianding LIAN sealing technology (Beijing) Co. Ltd. Address before: 100035 C 2003, Cheng Ming House, 2 Xizhimen inner street, Xicheng District, Beijing. Co-patentee before: Song Wei Patentee before: Long Xuewu |
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| TR01 | Transfer of patent right |