CN204175223U - A kind of Multifunctional latch jack - Google Patents
A kind of Multifunctional latch jack Download PDFInfo
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- CN204175223U CN204175223U CN201420595846.XU CN201420595846U CN204175223U CN 204175223 U CN204175223 U CN 204175223U CN 201420595846 U CN201420595846 U CN 201420595846U CN 204175223 U CN204175223 U CN 204175223U
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- fittings body
- external diameter
- endoporus
- pawl
- piston
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Abstract
The utility model discloses a kind of Multifunctional latch jack, comprise fittings body, cup cartridge unit, magnetic core component and parts of tackling all problems at once, described cup cartridge unit is connected to the top of described fittings body, described magnetic core component is arranged on the bottom centre of described fittings body, described in parts of tackling all problems at once be arranged on the outer radius of described fittings body bottom.The utility model disposablely can complete the fish of salvaging different characteristic, thus reduces cost, raises the efficiency.
Description
Technical field
The utility model relates to a kind of fishing tool of oil well repairing operation, particularly a kind of Multifunctional latch jack.
Background technology
In workover treatment process, shaft bottom is existing littlely minces, and the junk that is magnetic again (axle, slip insert, pincers tooth and oil, sleeve pipe fragment etc.) also has gear wheel and other irregular small falling objects (spanner, rubber, valve seat etc.).In prior art, conventional treatment uses fishing cup, strong magnetic die respectively and tackle all problems at once to salvage different fish.So both time-consuming, require great effort again.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Multifunctional latch jack, and this Multifunctional latch jack disposablely can complete the fish of salvaging different characteristic, thus reduces cost, raises the efficiency.
For solving the problems of the technologies described above, the utility model provides a kind of Multifunctional latch jack, comprise fittings body, cup cartridge unit, magnetic core component and parts of tackling all problems at once, described cup cartridge unit is connected to the top of described fittings body, described magnetic core component is arranged on the bottom of described fittings body, described in parts of tackling all problems at once be arranged on the outer radius of described fittings body bottom.
Described fittings body is column and processes axial passage, the end face endoporus of described fittings body is connected with the top connection with axial passage, described cup cartridge unit is tubular, the bottom of described cup cartridge unit is connected to the top of described fittings body, described parts of tackling all problems at once comprise valve seat, spool, cylinder body, piston, drag for pawl, milling shoe, described valve seat has axial passage, be connected to the bottom of described fittings body axial passage, described spool drops into from the top of described axial passage and drops on described valve seat, described cylinder body is tubular, described cylinder body is connected to the bottom of described fittings body, toroidal cavity is formed between the external diameter of the endoporus in the middle part of described cylinder body and described fittings body bottom, the top of described toroidal cavity is communicated with by Small Inclined Holes with described fittings body axial passage, the middle part of described toroidal cavity is communicated with by radial hole with described cylinder body is outer, described piston in the form of a ring, described piston is slidably connected in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is tubular, the described head dragging for pawl is claw-like, the described root dragging for pawl is nested with slidably in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is fixedly connected with described piston, the bottom of the described root and described fittings body that drag for pawl is fixedly connected with by cutting off, the stroke of described piston is (distance namely between the Small Inclined Holes of fittings body and the radial hole of cylinder body) between the middle part of described toroidal cavity and bottom, the described head dragging for pawl stretches to the below of described fittings body, described milling shoe is tubular, the bottom endoporus of described milling shoe is concave profile, the top of described milling shoe is fixedly connected with the bottom of described cylinder body, the endoporus of the described external diameter and described milling shoe that drag for pawl head fits, described magnetic core component is the toroidal core parts with axial passage, the bottom that described toroidal core parts are embedded in described fittings body is positioned at the below of described valve seat.
The external diameter on described fittings body top machined the outer shoulder of a staged, the external diameter of described fittings body bottom machined the outer shoulder of three stageds, the endoporus on described fittings body top machined shoulder in a staged, and the endoporus of described fittings body bottom machined shoulder in three stageds.
The lower end external diameter threading of described top connection, closure gasket groove is connected with near described externally threaded root, the upper end machining internal thread of described fittings body axial passage, the head processing sealing shoulder of described internal thread, is fixedly connected with thread seal by sealing ring between described top connection with described fittings body.
The external diameter of described fittings body bottom is processed with external screw thread, near described externally threaded root processing closure gasket groove, the upper end of described cylinder body is connected with internal thread, the head processing sealing shoulder of described internal thread, sealed by sealing ring between described fittings body and described cylinder body, be fixedly connected with by screw thread.
The endoporus of described piston at least processes one closure gasket groove, and the endoporus of described piston and the external diameter of described fittings body bottom are sealed by sealing ring; The external diameter of described piston at least processes one closure gasket groove, and the external diameter of described piston and the endoporus of described cylinder body are sealed by sealing ring; Described piston is fixedly connected with by fillister head screw with the described root dragging for pawl.
The external diameter threading of described valve seat and closure gasket groove, the external diameter of described valve seat and the endoporus of described fittings body bottom are threaded connection, and are sealed by sealing ring.
The radial direction of described cup cartridge unit is connected with drain hole.
The shape of described spool is spheroid, cone or stage body.
Zigzag fashion is processed in the lower end of described milling shoe.
Multifunctional latch jack of the present utility model compared with prior art has following beneficial effect.
1, the technical program is owing to have employed fittings body, cup cartridge unit, magnetic core component and parts of tackling all problems at once, described cup cartridge unit is connected to the top of described fittings body, described magnetic core component is arranged on the bottom of described fittings body, described parts of tackling all problems at once are arranged on the technological means of the external diameter of described fittings body bottom, so, disposablely can complete the fish of salvaging different characteristic, thus reduce cost, raise the efficiency.
2, the technical program is column owing to have employed described fittings body and processes axial passage, the end face endoporus of described fittings body is connected with the top connection with axial passage, described cup cartridge unit is tubular, the bottom of described cup cartridge unit is connected to the top of described fittings body, described parts of tackling all problems at once comprise valve seat, spool, cylinder body, piston, drag for pawl, milling shoe, described valve seat processing axial passage, be connected to the bottom of described fittings body axial passage, described spool drops into from the top of described axial passage and drops on described valve seat, described cylinder body is tubular, described cylinder body is connected to the bottom of described fittings body, toroidal cavity is formed between the external diameter of the endoporus in the middle part of described cylinder body and described fittings body bottom, the top of described toroidal cavity is communicated with by Small Inclined Holes with described fittings body axial passage, the middle part of described toroidal cavity is communicated with by radial hole with described cylinder body is outer, described piston in the form of a ring, described piston is slidably connected in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is tubular, the described head dragging for pawl is claw-like, the described root dragging for pawl is slidably connected in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is fixedly connected with described piston, the bottom of the described root and described fittings body that drag for pawl is fixedly connected with by cutting off, the stroke of described piston is between the middle part of described toroidal cavity and bottom, the described head dragging for pawl stretches to the below of described fittings body, described milling shoe is tubular, the bottom endoporus of described milling shoe is concave profile, the top of described milling shoe is fixedly connected with the bottom of described cylinder body, the endoporus of the described external diameter and described milling shoe that drag for pawl head fits, described magnetic core component is the toroidal core parts with axial passage, the bottom that described toroidal core parts are embedded in described fittings body is positioned at the technological means of the below of described valve seat, so, Multifunctional latch jack simple and compact for structure, low cost of manufacture, easy to use.
3, the technical program machined the outer shoulder of a staged due to the external diameter that have employed described fittings body top, the external diameter of described fittings body bottom machined the outer shoulder of three stageds, the endoporus on described fittings body top machined shoulder in a staged, the endoporus of described fittings body bottom machined the technological means of shoulder in three stageds, so, be conducive to stably installing joint, cup cartridge unit, magnetic core component and parts of tackling all problems at once.
4, the technical program is owing to have employed the lower end external diameter threading of described top connection, near described externally threaded root processing closure gasket groove, the upper end machining internal thread of described fittings body axial passage, the head processing sealing shoulder face of described internal thread, sealed by sealing ring between described top connection and described fittings body, by the technological means that screw thread is fixedly connected with, so, the sealing between top connection and fittings body can be guaranteed.
5, the technical program is owing to have employed the external diameter threading of described fittings body bottom, near described externally threaded root processing closure gasket groove, the upper end of described cylinder body connects machining internal thread, the head processing sealing shoulder face of described internal thread, sealed by sealing ring between described fittings body and described cylinder body, by the technological means that screw thread is fixedly connected with, so, the sealing between fittings body and cylinder body can be guaranteed.
6, the technical program at least processes one closure gasket groove due to the endoporus that have employed described piston; the technological means that the endoporus of described piston and the external diameter of described fittings body bottom are sealed by sealing ring; so, the sealing between the endoporus of piston and the external diameter of fittings body bottom can be guaranteed.External diameter again owing to have employed described piston processes one closure gasket groove, the technological means that the external diameter of described piston and the endoporus of described cylinder body are sealed by sealing ring, so, the sealing between the external diameter of piston and the endoporus of described cylinder body can be guaranteed.Also owing to have employed the technological means that described piston is fixedly connected with by fillister head screw with the described root dragging for pawl, so, can change easily and drag for pawl.
7, the technical program is owing to have employed the external diameter processing closure gasket groove of described valve seat, the external diameter of described valve seat and the endoporus of described fittings body bottom are sealed by sealing ring, the technological means be threaded connection, so, the sealing between the external diameter of valve seat and the endoporus of fittings body bottom can be guaranteed.
8, the technical program is owing to have employed the technological means of the radial direction processing drain hole of described cup cartridge unit, so, be conducive to the discharge of liquid in glass cartridge unit.
9, the technical program due to the shape that have employed described spool be the technological means of spheroid, cone or stage body, so, be conducive to the sealing between spool and valve seat, and hydraulic pressure is larger seals more tight.
10, the technical program is owing to have employed the technological means of the lower end processing sawtooth of described milling shoe, so, be conducive to the fish on shaft bottom and the borehole wall to be brought to shaft bottom central authorities, be conducive to like this salvaging fish.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, Multifunctional latch jack of the present utility model is described in further detail.
Fig. 1 is the structural representation of present embodiment Multifunctional latch jack.
Detailed description of the invention
As shown in Figure 1, a kind of Multifunctional latch jack that present embodiment provides, comprise fittings body 2, cup cartridge unit 3, magnetic core component 4 and parts 5 of tackling all problems at once, described cup cartridge unit 3 is connected to the top of described fittings body 2, described magnetic core component 4 is arranged on the bottom of described fittings body 2, described in parts 5 of tackling all problems at once be arranged on the external diameter of described fittings body 2 bottom.
Present embodiment is owing to have employed fittings body, cup cartridge unit, magnetic core component and parts of tackling all problems at once, described cup cartridge unit is connected to the top of described fittings body, described magnetic core component is arranged on the bottom of described fittings body, described parts of tackling all problems at once are arranged on the technological means of the external diameter of described fittings body bottom, so, disposablely can complete the fish of salvaging different characteristic, thus reduce cost, raise the efficiency.
One as present embodiment is improved, as shown in Figure 1, described fittings body 2 is column and processes axial passage, the end face central authorities of described fittings body 2 are connected with the top connection 1 with axial passage, described cup cartridge unit 3 is in tubular, the bottom of described cup cartridge unit 3 is connected to the top of described fittings body 2, described parts 5 of tackling all problems at once comprise valve seat 5-1, spool 5-2, cylinder body 5-3, piston 5-4, drag for pawl 5-5, milling shoe 5-6, described valve seat 5-1 has axial passage, be connected to the bottom that described fittings body 2 is positioned at axial passage, described spool 5-2 drops into from the top of described axial passage and drops on described valve seat 5-1, described cylinder body 5-3 is tubular, described cylinder body 5-3 is connected to the bottom of described fittings body 2, toroidal cavity is formed between the external diameter of the endoporus in the middle part of described cylinder body 5-3 and described fittings body 2 bottom, the top of described toroidal cavity is communicated with by Small Inclined Holes with the axial passage of described fittings body 2, as can be seen from Figure 1, the top that the middle part external diameter of described fittings body 2 is positioned at described toroidal cavity is circumferentially distributed with multiple pressurization passageway 2-2(Small Inclined Holes), described pressurization passageway 2-2 is outward-dipping from top to bottom.The middle part of described toroidal cavity is communicated with by radial hole with described cylinder body 5-3 is outer, as can be seen from Figure 1, the middle part that the external diameter of described cylinder body 5-3 is positioned at described toroidal cavity is circumferentially distributed with multiple pressure release passage 5-13(radial hole), described pressure release passage 5-13 is outward-dipping from top to bottom.Described piston 5-4 in the form of a ring, described piston 5-4 is nested with slidably in the bottom of described fittings body 2 and is arranged in described toroidal cavity, the described root dragging for pawl 5-5 is tubular, the described head dragging for pawl 5-5 is claw-like, the described root dragging for pawl 5-5 is nested with slidably in the bottom of described fittings body 2 and is arranged in described toroidal cavity, the described root dragging for pawl 5-5 is fixedly connected with described piston 5-4, the described root dragging for pawl 5-5 is fixedly connected with by cutting off with the bottom of described fittings body 2, the stroke of described piston 5-4 is (distance namely between the Small Inclined Holes of fittings body and the radial hole of cylinder body) between the middle part of described toroidal cavity and bottom, the described head dragging for pawl 5-5 stretches to the below of described fittings body, described milling shoe 5-6 is tubular, the bottom endoporus of described milling shoe 5-6 is concave profile, the top of described milling shoe 5-6 is fixedly connected with the bottom of described cylinder body 5-3, the endoporus of the described external diameter and described milling shoe 5-6 that drag for pawl 5-5 head fits, described magnetic core component 4 is for having the toroidal core parts 4 of axial passage, the bottom that described toroidal core parts 4 are embedded in described fittings body 2 is positioned at the below of described valve seat 5-1.As can be seen from Figure 1, the edge distribution of the bottom of described fittings body 2 has threaded securing bores, and described toroidal core parts 4 are certain by collar 4-1(, also can be fixture blocks) be connected with described fittings body 2 with hold-down screw.
Operating principle is as follows.
When getting into shaft bottom salvaging under Multifunctional latch jack, at the bottom of huge discharge flushing manhole, granulated metal junk is with above cup cylinder that drilling fluid recoils, suddenly increase because drilling fluid backflows, flows decrease, form eddy current, sink down in cup cylinder, or because the effect of deadweight sinks to falling in cup cylinder after termination of pumping.
Rotation drilling tool after input spool, milling shoe can be stirred and bear against at the bulk junk such as gear wheel, pincers tooth of the borehole wall central to shaft bottom through mud flush, is held by magnetic core.After spool is seated in valve seat, turn on pump circulating mud, mud promotes piston and cuts off and cut off descending, makes to drag for pawl and produces flexural deformation along milling shoe inner arc surface, encases junk and other irregular small falling objects that magnetic core holds, makes junk again can not fall into shaft bottom.
Present embodiment is column owing to have employed described fittings body and is connected with axial passage, the end face central authorities of described fittings body are connected with the top connection with axial passage, described cup cartridge unit is tubular, the bottom of described cup cartridge unit is connected to the top of described fittings body, described parts of tackling all problems at once comprise valve seat, spool, cylinder body, piston, drag for pawl, milling shoe, described valve seat has the bottom that axial passage is arranged on described fittings body axial passage, described spool drops into from the top of described axial passage and drops on described valve seat, described cylinder body is tubular, described cylinder body is connected to the bottom of described fittings body, toroidal cavity is formed between the external diameter of the endoporus in the middle part of described cylinder body and described fittings body bottom, the top of described toroidal cavity is communicated with by Small Inclined Holes with described fittings body axial passage, the middle part of described toroidal cavity is communicated with by radial hole with described cylinder body is outer, described piston in the form of a ring, described piston is nested with slidably in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is tubular, the described head dragging for pawl is claw-like, the described root dragging for pawl is nested with slidably in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is fixedly connected with described piston, the bottom of the described root and described fittings body that drag for pawl is fixedly connected with by cutting off, the stroke of described piston is (distance namely between the Small Inclined Holes of fittings body and the radial hole of cylinder body) between the middle part of described toroidal cavity and bottom, the described head dragging for pawl stretches to the below of described fittings body, described milling shoe is tubular, the bottom endoporus of described milling shoe is concave profile, the top of described milling shoe is fixedly connected with the bottom of described cylinder body, the endoporus of the described external diameter and described milling shoe that drag for pawl head fits, described magnetic core component is the toroidal core parts with axial passage, the bottom that described toroidal core parts are embedded in described fittings body is positioned at the technological means of the below of described valve seat, so, Multifunctional latch jack simple and compact for structure, low cost of manufacture, easy to use.
Further improve as present embodiment, as shown in Figure 1, the external diameter on described fittings body 2 top is processed with the outer shoulder of a staged, the external diameter of described fittings body 2 bottom is processed with the outer shoulder of three stageds, the endoporus on described fittings body 2 top is processed with shoulder in a staged, and the endoporus of described fittings body 2 bottom is processed with shoulder in three stageds.
Present embodiment is processed with the outer shoulder of a staged due to the external diameter that have employed described fittings body top, the external diameter of described fittings body bottom is processed with the outer shoulder of three stageds, the endoporus on described fittings body top is processed with shoulder in a staged, the endoporus of described fittings body bottom is processed with the technological means of shoulder in three stageds, so, be conducive to stably installing joint, cup cartridge unit, magnetic core component and parts of tackling all problems at once.
Further improve as present embodiment, as shown in Figure 1, the lower end external diameter threading of described top connection 1, near described externally threaded root processing closure gasket groove, the upper end of described fittings body 2 axial passage is connected with internal thread, the head processing sealing shoulder face of described internal thread, is fixedly connected with thread seal by sealing ring 1-1 between described top connection 1 with described fittings body 2.
Present embodiment is owing to have employed the lower end external diameter threading of described top connection, near described externally threaded root processing closure gasket groove, the upper end machining internal thread of described fittings body axial passage, the head processing sealing shoulder face of described internal thread, by technological means that sealing ring is fixedly connected with thread seal between described top connection with described fittings body, so, the sealing between top connection and fittings body can be guaranteed.
Also further improve as present embodiment, as shown in Figure 1, the external diameter threading of described fittings body 2 bottom, near described externally threaded root processing closure gasket groove, the upper end machining internal thread of described cylinder body 5-3, the head processing sealing shoulder face of described internal thread, is fixedly connected with thread seal by sealing ring 2-1 between described fittings body 2 with described cylinder body 5-3.
Present embodiment is owing to have employed the external diameter threading of described fittings body bottom, near described externally threaded root processing closure gasket groove, the upper end machining internal thread of described cylinder body, the head processing sealing shoulder face of described internal thread, by technological means that sealing ring is fixedly connected with thread seal between described fittings body with described cylinder body, so, the sealing between fittings body and cylinder body can be guaranteed.
Further improve again as present embodiment, as shown in Figure 1, the endoporus of described piston 5-4 at least processes one closure gasket groove, and the endoporus of described piston 5-4 and the external diameter of described fittings body 2 bottom are tightly connected by sealing ring 5-8; The external diameter of described piston 5-4 at least processes one closure gasket groove, and the external diameter of described piston 5-4 and the endoporus of described cylinder body 5-3 are tightly connected by sealing ring 5-9; Described piston 5-4 is fixedly connected with by socket cap 5-10 screw with the described root dragging for pawl 5-5.
Present embodiment at least processes one closure gasket groove due to the endoporus that have employed described piston; the technological means that the endoporus of described piston and the external diameter of described fittings body bottom are tightly connected by sealing ring; so, the sealing between the endoporus of piston and the external diameter of fittings body bottom can be guaranteed.External diameter again owing to have employed described piston at least processes one closure gasket groove, the technological means that the external diameter of described piston and the endoporus of described cylinder body are tightly connected by sealing ring, so, the sealing between the external diameter of piston and the endoporus of described cylinder body can be guaranteed.Also owing to have employed the technological means that described piston is fixedly connected with by fillister head screw with the described root dragging for pawl, so, can change easily and drag for pawl.
Further improve as present embodiment, as shown in Figure 1, the external diameter processing closure gasket groove of described valve seat 5-1, the external diameter of described valve seat 5-1 and the endoporus of described fittings body 2 bottom are sealed by the close 5-11 of sealing ring and are connected.
Present embodiment is owing to have employed the external diameter processing closure gasket groove of described valve seat, the technological means that the external diameter of described valve seat and the endoporus of described fittings body bottom are tightly connected by sealing ring, so, the sealing between the external diameter of valve seat and the endoporus of fittings body bottom can be guaranteed.
Further improve as present embodiment, as Fig. 1 shows, the external diameter of described cup cartridge unit 3 processes radial drain hole again.
Present embodiment processes the technological means of radial drain hole due to the external diameter that have employed described cup cartridge unit, so, be conducive to the discharge of liquid in glass cartridge unit.
Also further improve as present embodiment, as shown in Figure 1, the shape of described spool 5-2 is spheroid, cone or stage body.
Present embodiment due to the shape that have employed described spool be the technological means of spheroid, cone or stage body, so, be conducive to the sealing between spool and valve seat, and hydraulic pressure is larger seals more tight.
Further improve again as present embodiment, as shown in Figure 1, the lower end of described milling shoe 5-6 is connected with sawtooth 5-12.
Present embodiment connects serrate technological means due to the lower end that have employed described milling shoe, so, be conducive to the fish on shaft bottom and the borehole wall to be brought to shaft bottom central authorities, be conducive to like this salvaging fish.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a Multifunctional latch jack, it is characterized in that: comprise fittings body, cup cartridge unit, magnetic core component and parts of tackling all problems at once, described cup cartridge unit is connected to the top of described fittings body, described magnetic core component is arranged on the bottom centre of described fittings body, described in parts of tackling all problems at once be arranged on the outer radius of described fittings body bottom.
2. Multifunctional latch jack according to claim 1, it is characterized in that: described fittings body is column and is processed with axial passage, the end face endoporus of described fittings body is connected with the top connection with axial passage, described cup cartridge unit is tubular, the bottom of described cup cartridge unit is connected to the top of described fittings body, described parts of tackling all problems at once comprise valve seat, spool, cylinder body, piston, drag for pawl, milling shoe, described valve seat has axial passage, be connected to the bottom of described fittings body axial passage, described spool drops into from the top of described axial passage and drops on described valve seat, described cylinder body is tubular, described cylinder body is connected to the bottom of described fittings body, toroidal cavity is formed between the external diameter of the endoporus in the middle part of described cylinder body and described fittings body bottom, the top of described toroidal cavity is communicated with by Small Inclined Holes with described fittings body axial passage, the middle part of described toroidal cavity is communicated with by radial hole with described cylinder body is outer, described piston in the form of a ring, described piston is nested with slidably in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is tubular, the described head dragging for pawl is claw-like, the described root dragging for pawl is nested with slidably in the bottom of described fittings body and is arranged in described toroidal cavity, the described root dragging for pawl is fixedly connected with described piston, the bottom of the described root and described fittings body that drag for pawl is fixedly connected with by cutting off, the stroke of described piston is between the middle part and bottom of described toroidal cavity, the described head dragging for pawl stretches to the below of described fittings body, described milling shoe is tubular, the bottom endoporus of described milling shoe is concave profile, the top of described milling shoe is fixedly connected with the bottom of described cylinder body, the endoporus of the described external diameter and described milling shoe that drag for pawl head fits, described magnetic core component is the toroidal core parts with axial passage, the bottom that described toroidal core parts are embedded in described fittings body is positioned at the below of described valve seat.
3. Multifunctional latch jack according to claim 2, it is characterized in that: the external diameter on described fittings body top machined the outer shoulder of a staged, the external diameter of described fittings body bottom machined the outer shoulder of three stageds, the endoporus on described fittings body top machined shoulder in a staged, and the endoporus of described fittings body bottom machined shoulder in three stageds.
4. Multifunctional latch jack according to claim 2, it is characterized in that: the lower end external diameter threading of described top connection, near described externally threaded root processing closure gasket groove, the upper end machining internal thread of described fittings body axial passage, the head processing sealing shoulder of described internal thread, sealed by sealing ring between described top connection and described fittings body, be fixedly connected with by screw thread.
5. Multifunctional latch jack according to claim 2, it is characterized in that: the external diameter threading of described fittings body bottom, near described externally threaded root processing closure gasket groove, the upper end machining internal thread of described cylinder body, the head processing sealing shoulder of described internal thread, is fixedly connected with thread seal by sealing ring between described fittings body with described cylinder body.
6. Multifunctional latch jack according to claim 2, is characterized in that: the endoporus of described piston at least processes one closure gasket groove, and the endoporus of described piston and the external diameter of described fittings body bottom are sealed by sealing ring; The external diameter of described piston at least processes one closure gasket groove, and the external diameter of described piston and the endoporus of described cylinder body are sealed by sealing ring, and described piston can move axially in the annular space between fittings body and cylinder body; Described piston is fixedly connected with by fillister head screw with the described root dragging for pawl.
7. Multifunctional latch jack according to claim 2, is characterized in that: the external diameter processing closure gasket groove of described valve seat, the external diameter of described valve seat and the endoporus of described fittings body bottom are sealed by sealing ring, are fixedly connected with by screw thread.
8. Multifunctional latch jack according to claim 2, is characterized in that: the radial direction processing drain hole of described cup cartridge unit.
9. Multifunctional latch jack according to claim 2, is characterized in that: the shape of described spool is spheroid, cone or stage body.
10. Multifunctional latch jack according to claim 2, is characterized in that: zigzag fashion is processed in the lower end of described milling shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595846.XU CN204175223U (en) | 2014-10-16 | 2014-10-16 | A kind of Multifunctional latch jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595846.XU CN204175223U (en) | 2014-10-16 | 2014-10-16 | A kind of Multifunctional latch jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175223U true CN204175223U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595846.XU Expired - Fee Related CN204175223U (en) | 2014-10-16 | 2014-10-16 | A kind of Multifunctional latch jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178902A (en) * | 2015-08-05 | 2015-12-23 | 中国石油天然气股份有限公司 | Lifting type fishing tool |
| CN105317390A (en) * | 2015-12-07 | 2016-02-10 | 吉林大学 | Efficient magnetic fishing tool used for ice core drilling |
-
2014
- 2014-10-16 CN CN201420595846.XU patent/CN204175223U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178902A (en) * | 2015-08-05 | 2015-12-23 | 中国石油天然气股份有限公司 | Lifting type fishing tool |
| CN105178902B (en) * | 2015-08-05 | 2018-01-05 | 中国石油天然气股份有限公司 | Lifting type fishing tool |
| CN105317390A (en) * | 2015-12-07 | 2016-02-10 | 吉林大学 | Efficient magnetic fishing tool used for ice core drilling |
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