CN209875092U - Novel combined wellhead packing extractor - Google Patents
Novel combined wellhead packing extractor Download PDFInfo
- Publication number
- CN209875092U CN209875092U CN201920646938.9U CN201920646938U CN209875092U CN 209875092 U CN209875092 U CN 209875092U CN 201920646938 U CN201920646938 U CN 201920646938U CN 209875092 U CN209875092 U CN 209875092U
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- ring
- semicircular
- arc
- semi
- positioning ring
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Abstract
The utility model discloses a novel combination formula well head packing extractor to packing box self location for the instrument of taking out possesses specific orbit at embedding and proposing the in-process, reaches the even application of force of old packing, improves operating efficiency's purpose, and it includes two by pivot swing joint and the fixed semi-circular snap ring that sets up in the packing box outer fringe of symmetry, wherein each semi-circular snap ring is inside all to set up: the arc-shaped bulge is fixedly arranged on the inner wall of the semicircular clamping ring, and an arc-shaped groove is formed in the arc-shaped bulge; the semicircular positioning ring is provided with internal threads, an arc key is fixedly arranged on the outer periphery of the semicircular positioning ring, and the arc key is matched with the arc groove; the semicircular rotating ring is provided with external threads which are screwed with the semicircular positioning ring, and the lower end face of the semicircular rotating ring is welded with a spiral claw.
Description
Technical Field
The utility model relates to a dismantle or take out instrument technical field, specifically relate to a novel combination formula well head packing extractor.
Background
Changing the sealed packing of well head is the operation that oil extraction staff often goes on, and its aim at guarantees the effective sealing of packing box, prevents the well head seepage, because need shut down the well for a period in the operation process, so the staff need use easy operation, and the instrument that intensity of labour is low accelerates the operation progress, nevertheless, because sealed packing generally compresses tightly the reality, and the packing box is darker moreover, often needs longer time to accomplish during actual operation.
The prior extracting tool usually comprises an extractor which can be wholly surrounded on the outer edge of a polished rod besides a screwdriver with a spiral claw, the efficiency can be improved compared with the operation using the screwdriver, and in addition, the improvement on the extracting tool also comprises simple improvement on a working part, such as using barbs or barbs and the like to replace the spiral claw to pick up an old packing.
However, in actual operation, a worker needs to press down the tool with force to enable the working part of the tool to extend into the old packing set and then lift up with force to take out the old packing set, and no matter a screwdriver or a more novel tool is used, the old packing set cannot be uniformly forced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above-mentioned technical defect, provide a novel combination formula well head packing extractor to packing box self location makes the extracting tool possess specific orbit at embedding and proposing the in-process, reaches the even application of force of old packing, improves operating efficiency's purpose.
The technical scheme is as follows: novel combination formula well head packing extractor, it includes two by pivot swing joint and can the symmetrical fixed semicircular snap ring that sets up in the packing box outer fringe, wherein the inside of each semicircular snap ring all sets up: the arc-shaped bulge is fixedly arranged on the inner wall of the semicircular clamping ring, and an arc-shaped groove is formed in the arc-shaped bulge; the semicircular positioning ring is provided with internal threads, an arc key is fixedly arranged on the outer periphery of the semicircular positioning ring, and the arc key is matched with the arc groove; the semi-circular rotating ring is provided with external threads which are screwed with the semi-circular positioning ring, and the lower end face of the semi-circular rotating ring is welded with a spiral claw.
Furthermore, an ear part extends from the lower end face of the semicircular clamping ring along the longitudinal direction, and a threaded hole is formed in the ear part along the transverse direction.
Furthermore, a positioning ring operating handle is welded on the outer periphery of the semicircular positioning ring.
Furthermore, the outer periphery of the semicircular rotating ring is welded with a rotating ring operating handle.
Has the advantages that: the utility model discloses a with the packing box location, utilize the combination simultaneous operation of semi-circular holding ring and semi-circular rotating ring, can make the even application of force of spiral claw stretch into old packing, and can wholly take out old packing when taking out, in addition, this utility model has labour saving and time saving's outstanding a bit, can effectively improve operating efficiency, shortens the shut-in time.
Drawings
Fig. 1 is a schematic elevation structure of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention.
Description of reference numerals:
1. an ear portion; 2. a semicircular snap ring; 3. a semicircular positioning ring; 4. a positioning ring operating handle; 5. rotating the ring operating handle; 6. a semicircular rotating ring; 7. a rotating shaft; 8. a spiral claw; 9. a threaded hole; 10. an arc-shaped bulge; 11. an arc key.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying fig. 1 to 2, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to attached drawings 1 to 2, the utility model provides a novel combination formula well head packing extractor, including two by 7 swing joint of pivot and can the symmetrical fixed semicircular clamping ring that sets up in the packing box outer fringe, wherein each semicircular clamping ring 2's inside all is provided with: the arc-shaped bulge 10 is fixedly arranged on the inner wall of the semicircular clamping ring 2, and an arc-shaped groove is formed in the arc-shaped bulge 10; a semicircular positioning ring 3 with internal threads is arranged, an arc-shaped key 11 is fixedly arranged on the outer periphery of the semicircular positioning ring 3, and the arc-shaped key 11 is matched with the arc-shaped groove; the semi-circular rotating ring 6 is provided with external threads which are screwed with the semi-circular positioning ring 3, and the lower end face of the semi-circular rotating ring 6 is welded with a spiral claw 8.
According to the structure of the above embodiment, when the semicircular snap ring 2 is fixedly arranged on the packing box, the semicircular positioning ring 3 movably connected with the semicircular snap ring can rotate around the semicircular positioning ring but cannot move longitudinally, so that the semicircular rotating ring 6 in threaded connection with the semicircular positioning ring 3 can move longitudinally while rotating, when a worker maintains the semicircular positioning ring 3 to be static, the semicircular rotating ring 6 is rotated, the spiral claw 8 welded at the bottom of the semicircular rotating ring 6 can extend into an old packing, and when the worker rotates the semicircular positioning ring 3, the semicircular positioning ring 3 cannot move longitudinally because of the semicircular positioning ring, so that the old packing can be lifted by the semicircular rotating ring 6.
The utility model discloses a when the operation, should at first fix semicircular snap ring 2 on the packing box, preferably, at semicircular snap ring 2's lower terminal surface along vertically extending ear 1, ear 1 is along transversely seting up screw hole 9, wears to establish the bolt in the inside of screw hole 9, utilizes the bolt to fasten semicircular snap ring 2 at the outer wall of packing box.
Preferably, a positioning ring operating handle 4 is welded on the outer periphery of the semicircular positioning ring 3, and a rotating ring operating handle 5 is welded on the outer periphery of the semicircular rotating ring 6, so that the semicircular positioning ring 3 and the semicircular rotating ring 6 can be conveniently rotated by a worker.
The utility model discloses a creatively uses the combination of semi-circular holding ring 3 and semi-circular rotating ring 6 for the even application of force of spiral claw 8 is compared with prior art in stretching into old packing, has the outstanding advantage that the application of force is even, and need not the staff and push down hard or lift, can effectively improve operating efficiency in labour saving and time saving, shortens down time.
In the concrete operation process, the utility model has the following cautions:
1. the semicircular clamping ring 2 can be fastened on the packing box in different modes, and when the fastening mode shown in the embodiment is used, at least one lug part 1 is required to be arranged for penetrating a fastening bolt;
2. the semicircular positioning ring 3 and the semicircular rotating ring 6 cannot rotate simultaneously, i.e., the positioning ring operating handle 4 should be maintained stationary when the rotating ring operating handle 5 is operated, and the rotating ring operating handle 5 should be maintained stationary when the positioning ring operating handle 4 is operated.
The above only is the preferred embodiment of the utility model discloses, is not used for limiting the utility model discloses, to the technical personnel in this field, the utility model discloses can have multiple change and change, all according to the utility model discloses any modification, the equivalent transform etc. that technical scheme was done, the effect of its function and production does not surpass the utility model discloses a technical scheme's scope is all regarded as the utility model discloses a protection scope.
Claims (4)
1. Novel combination formula well head packing extractor, its characterized in that, it includes that two are by pivot swing joint and can the symmetrical fixed semi-circular snap ring that sets up in the packing box outer fringe, and wherein the inside of each semi-circular snap ring all sets up:
the arc-shaped bulge is fixedly arranged on the inner wall of the semicircular clamping ring, and an arc-shaped groove is formed in the arc-shaped bulge;
the semicircular positioning ring is provided with internal threads, an arc key is fixedly arranged on the outer periphery of the semicircular positioning ring, and the arc key is matched with the arc groove;
the semi-circular rotating ring is provided with external threads which are screwed with the semi-circular positioning ring, and the lower end face of the semi-circular rotating ring is welded with a spiral claw.
2. The novel combined wellhead packing extractor according to claim 1, wherein an ear portion extends from the lower end surface of the semicircular snap ring along the longitudinal direction, and a threaded hole is formed in the ear portion along the transverse direction.
3. The novel combined wellhead packing extractor according to claim 1, wherein a positioning ring operating handle is welded on the outer periphery of the semicircular positioning ring.
4. The novel combined wellhead packing extractor according to claim 1, wherein a rotating ring operating handle is welded to the outer periphery of the semicircular rotating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646938.9U CN209875092U (en) | 2019-05-06 | 2019-05-06 | Novel combined wellhead packing extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646938.9U CN209875092U (en) | 2019-05-06 | 2019-05-06 | Novel combined wellhead packing extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875092U true CN209875092U (en) | 2019-12-31 |
Family
ID=68964456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920646938.9U Expired - Fee Related CN209875092U (en) | 2019-05-06 | 2019-05-06 | Novel combined wellhead packing extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006728A (en) * | 2021-03-01 | 2021-06-22 | 大庆市天德忠石油科技有限公司 | Packing type packing box capable of quickly taking out |
-
2019
- 2019-05-06 CN CN201920646938.9U patent/CN209875092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006728A (en) * | 2021-03-01 | 2021-06-22 | 大庆市天德忠石油科技有限公司 | Packing type packing box capable of quickly taking out |
| CN113006728B (en) * | 2021-03-01 | 2021-09-07 | 大庆市天德忠石油科技有限公司 | Packing type packing box capable of quickly taking out |
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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 |
Granted publication date: 20191231 Termination date: 20210506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |