CN210152607U - Rubber plug for well cementation - Google Patents
Rubber plug for well cementation Download PDFInfo
- Publication number
- CN210152607U CN210152607U CN201920636898.XU CN201920636898U CN210152607U CN 210152607 U CN210152607 U CN 210152607U CN 201920636898 U CN201920636898 U CN 201920636898U CN 210152607 U CN210152607 U CN 210152607U
- Authority
- CN
- China
- Prior art keywords
- main part
- plug main
- plug
- rubber
- lantern ring
- 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.)
- Expired - Fee Related
Links
- 239000010985 leather Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- 239000011440 grout Substances 0.000 abstract description 11
- 239000004568 cement Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 238000012856 packing Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model relates to a plug for well cementation, including plug main part, leather cup and the rubber lantern ring, plug main part bottom is provided with the end of knowing how things stand and feel confident, be provided with the enhancement core in the plug main part, the leather cup has been cup jointed in the plug main part outside, be provided with the mounting groove between the leather cup, the mounting groove inboard is provided with the spring assembly, and has cup jointed the rubber lantern ring in the mounting groove outside, plug main part outside upper end is provided with separates the lantern ring, it is provided with the sealing washer to separate the lantern ring outside, plug main part top is provided with the plum blossom. The utility model discloses stable in structure, sealing performance is good, can effectively scrape pipe box inner wall grout, and convenient to use is fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a well cementation equipment technical field, concretely relates to plug for well cementation.
Background
The well cementation rubber plug is characterized in that after all cement slurry is injected, a rubber plug is pressed on, pushes the cement slurry downwards to scrape the cement slurry adhered to the inner wall of a sleeve pipe and prevent the mixture of the rubber plug pressing liquid and the cement slurry.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an at least defect among the prior art is overcome to a main aim at, a well cementation is with plug is provided, through setting up reinforced core and stupefied groove, reinforced core can agree with the plug main part mutually, promote the intensity of plug main part, make the plug main part more stable, it is not fragile, through setting up plum blossom groove and recess, can make in use press plug liquid and grout to fill respectively in plum blossom groove and recess, it is rotatory to avoid the device to take place when the operation, through setting up the sealing washer, promote the sealing performance who separates the lantern ring, avoid pressing plug liquid to flow downwards, through setting up spring assembly, can promote rubber lantern ring one side and hug closely the pipe box inner wall, avoid the grout seepage flow, further scrape the grout, can effectively solve the problem in the background art.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
the utility model provides a plug for well cementation, includes plug main part, leather cup and the rubber lantern ring, plug main part bottom is provided with the end of having a bottom, be provided with the enhancement core in the plug main part, the leather cup has been cup jointed in the plug main part outside, be provided with the mounting groove between the leather cup, the mounting groove inboard is provided with the spring assembly, and has cup jointed the rubber lantern ring in the mounting groove outside, plug main part outside upper end is provided with separates the lantern ring, it is provided with the sealing washer to separate the lantern ring outside, plug main part top is provided with the plum blossom groove.
Furthermore, the bottom of the bottom end head is provided with a groove.
Further, the outside of the reinforcing core is provided with a corrugated groove.
Further, one end of the spring set is connected with the inner side of the rubber lantern ring.
Further, the outer surface of the leather cup is provided with a wear-resistant layer, and the wear-resistant layer is made of polytetrafluoroethylene materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through setting up the enhancement core and stupefied groove, the enhancement core can agree with mutually with the plug main part, promotes the intensity of plug main part, makes the plug main part more stable, and is not fragile.
2. Through setting up plum blossom groove and recess, can in use make pressure plug liquid and grout fill respectively in plum blossom groove and recess, avoid the device to take place rotatoryly when the operation, through setting up the sealing washer, promote the sealing performance who separates the lantern ring, avoid the downward seepage flow of pressure plug liquid.
3. Through setting up the packing cup, the packing cup can contact with the pipe box inner wall, scrapes the grout on the pipe box inner wall when the device pushes down, and simultaneously, the wearing layer can promote the wear resistance of packing cup, makes the packing cup be difficult for wearing and tearing, through setting up spring assembly, can promote rubber lantern ring one side and hug closely the pipe box inner wall, avoids the grout seepage flow, further scrapes the grout.
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.
Fig. 1 is the overall structure schematic diagram of the rubber plug for well cementation of the utility model.
Fig. 2 is a schematic view of a plum blossom groove of the rubber plug for well cementation of the utility model.
Fig. 3 is a schematic view of the wear-resistant layer of the rubber plug for well cementation of the present invention.
In the figure: 1. a groove; 2. a bottom end; 3. a leather cup; 4. a rubber collar; 5. a spring set; 6. mounting grooves; 7. a rubber plug main body; 8. a seal ring; 9. a spacer collar; 10. a reinforcing core; 11. corrugation grooves; 12. a plum blossom groove; 13. and a wear-resistant 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. 1-3, a plug for well cementation, including plug main part 7, leather cup 3 and the rubber lantern ring 4, 7 bottoms of plug main part are provided with end 2, be provided with in the plug main part 7 and strengthen core 10, the leather cup 3 has been cup jointed in the 7 outsides of plug main part, be provided with mounting groove 6 between the leather cup 3, 6 inboards in mounting groove are provided with spring assembly 5, and have cup jointed the rubber lantern ring 4 in the 6 outsides of mounting groove, 7 outsides of plug main part upper ends are provided with the partition lantern ring 9, the partition lantern ring 9 outside is provided with sealing washer 8, 7 tops of plug main part are provided with plum blossom groove 12.
Wherein, the bottom of the bottom end head 2 is provided with a groove 1. In this embodiment, as shown in fig. 1, in use, cement slurry is filled into the groove 1, and the device is prevented from rotating during operation.
Wherein, the outside of the reinforced core 10 is provided with a corrugation groove 11.
Wherein, one end of the spring group 5 is connected with the inner side of the rubber lantern ring 4. In this embodiment, as shown in fig. 1, the spring assembly 5 can push one side of the rubber sleeve ring 4 to cling to the inner wall of the pipe sleeve, so as to avoid cement slurry seepage and further scrape cement slurry.
The outer surface of the leather cup 3 is provided with a wear-resistant layer 13, and the wear-resistant layer 13 is made of polytetrafluoroethylene materials. In this embodiment, as shown in fig. 3, the wear-resistant layer 13 can improve the wear-resistant performance of the leather cup 3, so that the leather cup 3 is not easily worn.
It should be noted that, the utility model relates to a well cementation is with plug, in operation, strengthen core 10 and stupefied groove 11 and can agree with mutually with plug main part 7, promote the intensity of plug main part 7, make plug main part 7 more stable, it is not fragile, in use press in the plug liquid and grout to fill respectively in plum blossom groove 12 and recess 1, it is rotatory to avoid the device to take place when the operation, sealing washer 8 can promote the sealing performance who separates lantern ring 9, avoid pressing plug liquid downward seepage flow, and leather cup 3 can contact with the pipe box inner wall, scrape on the pipe box inner wall when the device pushes down the grout, and simultaneously, wearing layer 13 can promote the wear resistance of leather cup 3, make leather cup 3 be difficult for wearing and tearing, spring assembly 5 can promote rubber lantern ring 4 one side and hug closely the pipe box inner wall, avoid the grout seepage flow, further will scrape clearly.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a well cementation is with plug, includes plug main part (7), leather cup (3) and rubber lantern ring (4), its characterized in that:
the rubber plug is characterized in that a bottom end head (2) is arranged at the bottom of the rubber plug main body (7), a reinforcing core (10) is arranged in the rubber plug main body (7), a leather cup (3) is sleeved on the outer side of the rubber plug main body (7), a mounting groove (6) is arranged between the leather cups (3), a spring set (5) is arranged on the inner side of the mounting groove (6), a rubber sleeve ring (4) is sleeved on the outer side of the mounting groove (6), a separation sleeve ring (9) is arranged at the upper end of the outer side of the rubber plug main body (7), a sealing ring (8) is arranged on the outer side of the separation sleeve ring (9), and a.
2. A well cementing plug according to claim 1, characterized in that: the bottom of the bottom end head (2) is provided with a groove (1).
3. A well cementing plug according to claim 1, characterized in that: and the outer side of the reinforcing core (10) is provided with a corrugated groove (11).
4. A well cementing plug according to claim 1, characterized in that: one end of the spring group (5) is connected with the inner side of the rubber lantern ring (4).
5. A well cementing plug according to claim 1, characterized in that: the outer surface of the leather cup (3) is provided with a wear-resistant layer (13), and the wear-resistant layer (13) is made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636898.XU CN210152607U (en) | 2019-05-07 | 2019-05-07 | Rubber plug for well cementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636898.XU CN210152607U (en) | 2019-05-07 | 2019-05-07 | Rubber plug for well cementation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210152607U true CN210152607U (en) | 2020-03-17 |
Family
ID=69758356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920636898.XU Expired - Fee Related CN210152607U (en) | 2019-05-07 | 2019-05-07 | Rubber plug for well cementation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210152607U (en) |
-
2019
- 2019-05-07 CN CN201920636898.XU patent/CN210152607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |