CN222045725U - A floating collar and a floating shoe with high sealing performance - Google Patents
A floating collar and a floating shoe with high sealing performance Download PDFInfo
- Publication number
- CN222045725U CN222045725U CN202420706981.0U CN202420706981U CN222045725U CN 222045725 U CN222045725 U CN 222045725U CN 202420706981 U CN202420706981 U CN 202420706981U CN 222045725 U CN222045725 U CN 222045725U
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- fixedly connected
- valve seat
- annular plate
- blocks
- floating
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- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Float Valves (AREA)
Abstract
The utility model discloses a float collar and a float shoe with high sealing performance, which relate to the technical field of petroleum drilling and comprise a main body, wherein an annular plate is fixedly connected inside the main body, a valve seat is fixedly connected below the annular plate, two fixing mechanisms are arranged between the valve seat and the annular plate, the valve seat is fixedly connected with the annular plate through the two fixing mechanisms, a supporting frame is fixedly connected to the upper surface of the annular plate, a through hole is formed in the upper surface of the supporting frame, a ball rod is arranged in the through hole in a sliding mode, a sealing ball is fixedly connected to the lower end of the ball rod, the sealing ball is matched with the valve seat, and a spring is sleeved on the rod wall of the ball rod in a sliding mode. According to the utility model, by rotating the two inner hexagon bolts, each second trapezoid block is respectively moved out of the corresponding fixing groove, so that the valve seat can be separated from the annular plate, and then the spring can be taken out, thereby being convenient for workers to replace the spring.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling, in particular to a floating hoop and a floating shoe with high sealing performance.
Background
The float collar float shoe is a sleeve guide shoe or coupling capable of generating buoyancy, and can play the role of supporting ring and back-pressure valve.
The high-pressure type float collar float shoe device with the publication number of CN218376402U comprises a float collar body and a float shoe body, wherein connecting threads are arranged on the upper edge of a float collar float shoe shell, a guide head is connected with the upper end of the float shoe body in a threaded manner, threads are arranged on the inner side and the outer side of the float collar float shoe shell, a valve seat body, a valve core guide seat, a valve core arranged between the valve core guide seat and the valve seat body and a pressure spring sleeved on the valve core guide seat for adjusting the valve core to be compressed in an adapting manner towards the valve seat body are arranged in the float collar body; the valve seat body is provided with a backstop spring matched with the valve core for use.
But the inside of current float collar float shoe all is provided with the spring, and the spring can produce metal fatigue after long-time use to make the leakproofness of float collar float shoe reduce, current float collar float shoe all welds an organic wholely simultaneously, so inconvenient change the spring, can only wholly abandon.
Disclosure of utility model
The present utility model has been made in view of the above-mentioned problems associated with the conventional high-pressure type float collar float shoe apparatus.
Therefore, the utility model aims to provide the floating hoop and the floating shoe with high sealing performance, and solves the problems that the existing floating hoop and floating shoe are welded integrally, so that the spring is inconvenient to replace and can only be discarded integrally.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a float collar, float shoe with high leakproofness, includes the main part, the inside fixedly connected with annular plate of main part, the below fixedly connected with disk seat of annular plate, be provided with two fixed establishment between disk seat and the annular plate, the disk seat passes through two fixed establishment and annular plate fixed connection, the upper surface fixedly connected with support frame of annular plate, the through-hole has been seted up to the upper surface of support frame, the inside slip of through-hole is provided with the club, the lower extreme fixedly connected with sealing ball of club, sealing ball and disk seat assorted, the pole wall slip cup joint the spring of club.
Preferably, the fixing mechanism comprises two positioning blocks, two first trapezoid blocks, a plurality of second trapezoid blocks, two inner hexagon bolts and a plurality of T-shaped blocks, wherein the two positioning blocks are respectively and fixedly connected to the upper surfaces of two ends of a valve seat, the two inner hexagon bolts are respectively and spirally sleeved in the inner parts of the corresponding inner threaded holes, the two inner hexagon bolts are respectively and rotatably connected to the lower surfaces of the corresponding first trapezoid blocks, the two second trapezoid blocks are respectively and slidably arranged in the inner parts of the corresponding square holes, the inclined surfaces of the second trapezoid blocks are respectively and fixedly connected with the inner parts of the corresponding T-shaped grooves, the first trapezoid blocks are respectively and fixedly connected with the inner threaded holes are respectively and spirally sleeved on the lower surfaces of the corresponding inner threaded holes, and the inner hexagon bolts are respectively and rotatably connected to the lower surfaces of the corresponding first trapezoid blocks.
Preferably, a sealing rubber pad is arranged between the annular plate and the valve seat, two through holes are formed in the upper surface of the sealing rubber pad, and the two through holes are respectively matched with the corresponding positioning blocks.
Preferably, two positioning grooves are formed in the lower surface of the annular plate, the two positioning grooves are matched with corresponding positioning blocks respectively, fixing grooves are formed in two sides of each positioning groove, and each fixing groove is matched with a corresponding second trapezoid block respectively.
Preferably, two adjusting holes are formed in the lower surface of the valve seat, and the two adjusting holes are matched with corresponding inner hexagon bolts respectively.
Preferably, the upper surface fixedly connected with first annular sheath of sealing ball, annular seal groove has been seted up to the upper surface of first annular sheath, the inside sealed slip of annular seal groove is provided with the second annular sheath, second annular sheath fixed connection is in the lower surface of support frame.
In the technical scheme, the utility model has the technical effects and advantages that:
1. According to the utility model, by rotating the two hexagon socket bolts, each second trapezoid block is respectively moved out of the corresponding fixing groove, so that the valve seat can be separated from the annular plate, and then the spring can be taken out, thereby being convenient for workers to replace the spring.
2. According to the utility model, the first annular sheath and the second annular sheath can prevent the release of liquid from the spring, so that the spring is protected, the service life of the spring is prolonged, and frequent replacement of the spring by workers is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present utility model;
fig. 3 is a schematic structural view of the connection of the first trapezoidal block and the second trapezoidal block in fig. 2 according to the present utility model.
Reference numerals illustrate:
1. A main body; 2. an annular plate; 3. a valve seat; 4. a support frame; 5. a cue; 6. a sealing ball; 7. a positioning block; 8. a first trapezoidal block; 9. a second trapezoidal block; 10. an inner hexagon bolt; 11. a T-shaped block; 12. sealing a rubber pad; 13. a first annular sheath; 14. a second annular sheath; 15. and (3) a spring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a floating hoop and a floating shoe with high sealing performance.
The utility model provides a float collar and float shoe with high tightness as shown in figures 1-3, which comprises a main body 1, wherein an annular plate 2 is fixedly connected inside the main body 1, a valve seat 3 is fixedly connected below the annular plate 2, two fixing mechanisms are arranged between the valve seat 3 and the annular plate 2, the valve seat 3 is fixedly connected with the annular plate 2 through the two fixing mechanisms, a supporting frame 4 is fixedly connected with the upper surface of the annular plate 2, a through hole is formed in the upper surface of the supporting frame 4, a ball rod 5 is arranged inside the through hole in a sliding manner, a sealing ball 6 is fixedly connected with the lower end of the ball rod 5, the sealing ball 6 is matched with the valve seat 3, and a spring 15 is sleeved on the rod wall of the ball rod 5 in a sliding manner.
When the spring 15 is used for a long time and needs to be replaced, the valve seat 3 can be removed by eliminating two fixing mechanisms, and the sealing ball 6 can be taken out, so that the spring 15 can be taken out, and a worker can replace the spring 15 more conveniently.
In order to fix the valve seat 3, as shown in fig. 1-3, the fixing mechanism comprises two positioning blocks 7, two first trapezoid blocks 8, a plurality of second trapezoid blocks 9, two hexagon socket bolts 10 and a plurality of T-shaped blocks 11, wherein the two positioning blocks 7 are respectively and fixedly connected to the upper surfaces of two ends of the valve seat 3, the interiors of the two positioning blocks 7 are respectively provided with cavities, square holes are respectively formed in two sides of the two cavities, each second trapezoid block 9 is respectively and slidably arranged in the interiors of the corresponding square holes, T-shaped grooves are respectively and slidably formed in the inclined surfaces of each second trapezoid block 9, each T-shaped block 11 is respectively and slidably arranged in the interiors of the corresponding T-shaped grooves, each first trapezoid block 8 is respectively and fixedly connected between the corresponding two T-shaped blocks 11, the lower surfaces of the two cavities are respectively and fixedly connected with the interiors of the corresponding internal thread holes in a threaded manner, the two hexagon socket bolts 10 are respectively and rotatably connected to the lower surfaces of the corresponding first trapezoid blocks 8, the lower surfaces of the annular plate 2 are respectively provided with two positioning blocks, the two positioning grooves are respectively and the two positioning grooves are respectively matched with the two trapezoid blocks 7, and the two side fixing grooves are respectively and fixedly arranged on the two sides of the two trapezoid blocks.
The two positioning blocks 7 are respectively inserted into the corresponding positioning grooves, then the two inner hexagon bolts 10 are sequentially rotated by using the inner hexagon wrench, then the two first trapezoid blocks 8 can be driven to move, the two second trapezoid blocks 9 are extruded into the corresponding fixing grooves, then the valve seat 3 and the annular plate 2 can be fixed, and the valve seat 3 and the annular plate 2 can be separated by reversing the two inner hexagon bolts 10 in the same way.
In order to improve the tightness of the device, as shown in fig. 1-2, a sealing rubber gasket 12 is arranged between the annular plate 2 and the valve seat 3, and two through holes are formed in the upper surface of the sealing rubber gasket 12 and are respectively matched with the corresponding positioning blocks 7.
The sealing of the device is enhanced by the use of a sealing rubber gasket 12.
In order to facilitate rotation of the two socket head cap bolts 10, as shown in fig. 1-2, two adjusting holes are formed in the lower surface of the valve seat 3, and the two adjusting holes are respectively matched with the corresponding socket head cap bolts 10.
The two adjusting holes are utilized to facilitate the insertion of the socket head cap wrench, thereby facilitating the rotation of the socket head cap bolt 10.
Finally, in order to protect the spring 15, as shown in fig. 1-2, the upper surface of the sealing ball 6 is fixedly connected with a first annular sheath 13, the upper surface of the first annular sheath 13 is provided with an annular sealing groove, the inside of the annular sealing groove is provided with a second annular sheath 14 in a sliding manner, and the second annular sheath 14 is fixedly connected to the lower surface of the supporting frame 4.
The first annular sheath 13 and the second annular sheath 14 can prevent the release of the liquid from the spring 15, so that the spring 15 is protected, and the service life of the spring 15 is prolonged.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420706981.0U CN222045725U (en) | 2024-04-08 | 2024-04-08 | A floating collar and a floating shoe with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420706981.0U CN222045725U (en) | 2024-04-08 | 2024-04-08 | A floating collar and a floating shoe with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222045725U true CN222045725U (en) | 2024-11-22 |
Family
ID=93514434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420706981.0U Active CN222045725U (en) | 2024-04-08 | 2024-04-08 | A floating collar and a floating shoe with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222045725U (en) |
-
2024
- 2024-04-08 CN CN202420706981.0U patent/CN222045725U/en active Active
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