CN203515425U - Elastic jaw-type anti-falling device - Google Patents
Elastic jaw-type anti-falling device Download PDFInfo
- Publication number
- CN203515425U CN203515425U CN201320568906.4U CN201320568906U CN203515425U CN 203515425 U CN203515425 U CN 203515425U CN 201320568906 U CN201320568906 U CN 201320568906U CN 203515425 U CN203515425 U CN 203515425U
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- China
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- claw
- radially
- groove
- opening seat
- against device
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Abstract
The utility model relates to the technical field of cable core-through salvage anti-falling devices, in particular to an elastic jaw-type anti-falling device. The elastic jaw-type anti-falling device comprises an open base core and clamping jaws, wherein a center hole is formed in the middle of the open base core, no less than two radial through grooves are formed in the upper end of the open base core, the clamping jaws capable of rotating upwards are installed inside the radial through grooves through torsion springs, the inner ends of the clamping jaws are located inside the center hole, and an open groove communicated with the center hole is formed in the open base core. The elastic jaw-type anti-falling device is reasonable and compact in structure and convenient to use, in the core-through salvage process, the elastic jaw-type anti-falling device is fixedly installed in a universal short section, and therefore the using limitation is reduced, the hanging and clamping phenomena can be avoided, the clamping jaws can be installed in each time period in the cable core-through salvage process, and the success rate of the core-through salvage is improved.
Description
Technical field
the utility model relates to cable punching and salvages falling-proof apparatus technical field, is a kind of elastic claw formula dropping against device.
Background technology
the dropping against device using is at present rigid steel part baffle ring dropping against device, in actual use, rigid steel part baffle ring dropping against device is directly installed on quick releasing-joint, in its process of salvaging in punching, easily hang tag, thereby punching fishing is had a negative impact, and rigid steel part baffle ring dropping against device does not mate with the size of the multiple fishing tool internal construction in use, make the use of rigid steel part baffle ring dropping against device there is limitation, in addition, when punching is salvaged, once forget anti-lost ring (bringing into play identical effect with claw) be installed in advance, when needs are brought into play anti-lost effect, anti-lost ring cannot be installed.
Summary of the invention
the utility model provides a kind of elastic claw formula dropping against device, has overcome the deficiency of above-mentioned prior art, and it can effectively solve that existing dropping against device exists in actual use easily hangs tag, must claw be installed in advance and use has circumscribed problem.
the technical solution of the utility model realizes by following measures: a kind of elastic claw formula dropping against device, comprise opening seat core and claw, middle part at opening seat core is provided with centre bore, in the upper end of opening seat core, be provided with the radially groove that is no less than two, radially in groove, by torsion spring, the claw that can upwards rotate is being installed, the inner of claw is positioned at centre bore, on opening seat core, is provided with the open slot communicating with centre bore.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
the upper end of above-mentioned opening seat core can evenly be provided with three radially grooves.
on the opening seat core of above-mentioned radially groove outer end, can be provided with axial draw-in groove, on opening seat core, be provided with groove radially intersect dowel hole, on claw, be provided with the transition pin-and-hole corresponding with dowel hole, in the outer end of claw, be provided with radially mounting groove, transition pin-and-hole and dowel hole all communicate with mounting groove radially, in dowel hole and transition pin-and-hole, be installed with alignment pin, torsion spring is positioned at radially mounting groove, alignment pin and torsion spring set are fitted together, at the middle part of claw, be provided with and radially draw-in groove that radially mounting groove communicates, the outer end of torsion spring and the inner are stuck in axial draw-in groove and radially in draw-in groove.
on above-mentioned opening seat core, can there is the dowel hole perpendicular with groove radially.
the inner of above-mentioned claw can be curved.
distance between above-mentioned claw the inner and opening seat wire mandrel is between 15 millimeters to 25 millimeters.
the utility model reasonable and compact in structure, easy to use, it is in punching salvaging process, the utility model is fixedly installed in general pipe nipple, thereby reduced the limitation of using, and the generation of the phenomenon of can avoiding hanging tag, can install claw each period in cable punching salvaging process, has improved the success rate that punching is salvaged.
Accompanying drawing explanation
accompanying drawing 1 is looked half section structural representation for the master of the utility model most preferred embodiment.
accompanying drawing 2 is the top perspective structural representation of the utility model most preferred embodiment.
accompanying drawing 3 is the top perspective structural representation of accompanying drawing 1 split shed seat core.
accompanying drawing 4 is looked half section structural representation for the master that the utility model is positioned at pipe nipple.
accompanying drawing 5 is claw in accompanying drawing 1 overlooks sectional structure schematic diagram.
accompanying drawing 6 is the main TV structure schematic diagram of torsion spring in accompanying drawing 1.
coding in accompanying drawing is respectively: 1 for opening seat core, and 2 be claw, and 3 is groove radially, and centered by 4 hole, and 5 is open slot, and 6 is axial draw-in groove, and 7 is mounting groove radially, and 8 is draw-in groove radially, and 9 is torsion spring, and 10 is dowel hole, and 11 is pipe nipple, and 12 is transition pin-and-hole.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1 to 6, this elastic claw formula dropping against device comprises opening seat core 1 and claw 2, middle part at opening seat core 1 is provided with centre bore 4, in the upper end of opening seat core 1, be provided with the radially groove 3 that is no less than two, radially in groove 3, by torsion spring 9, the claw 2 that can upwards rotate is being installed, the inner of claw 2 is positioned at centre bore 4, is provided with the open slot 5 communicating with centre bore 4 on opening seat core 1.Torsion spring 9 is existing known technology; In cable punching salvaging process, the setting of claw 2 can be by before the snap joint of fracture or connection error be in the well that falls, block snap joint, prevent that snap joint from falling in well, avoided having hindered due to the well that falls of snap joint the carrying out of cable punching fishing, prevent the fault spread of cable punching fishing, thereby improved the success rate that punching is salvaged; The setting of open slot 5 is in order to put into cable.
can according to actual needs, above-mentioned elastic claw formula dropping against device be made further optimization and/or improvements:
as shown in accompanying drawing 1 to 6, in the upper end of opening seat core 1, be evenly provided with three radially grooves 3.Three radially the setting of groove 3 can effectively block fracture or connect the snap joint of error, prevent Qi Luojing, further improve the success rate that punching is salvaged.
as shown in accompanying drawing 1 to 6, on the opening seat core 1 of groove 3 outer ends radially, be provided with axial draw-in groove 6, on opening seat core 1, be provided with groove radially 3 intersect dowel hole 10, on claw 2, be provided with the transition pin-and-hole 12 corresponding with dowel hole 10, in the outer end of claw 2, be provided with radially mounting groove 7, transition pin-and-hole 12 and dowel hole 10 all communicate with mounting groove 7 radially, in dowel hole 10 and transition pin-and-hole 12, be installed with alignment pin, torsion spring 9 is positioned at radially mounting groove 7, alignment pin and torsion spring 9 are set in together, at the middle part of claw 2, be provided with and radially draw-in groove 8 that radially mounting groove 7 communicates, the outer end of torsion spring 9 and the inner are stuck in axial draw-in groove 6 and radially in draw-in groove 8.The setting of torsion spring 9, on the one hand, be convenient to dismounting claw 2, on the other hand, can be when salvaging size be greater than the junk of claw 2 gap of inner end, by upper portable cable, claw 2 upwards opens under the effect of torsion spring 9 elastic force, and now, junk is fast through claw 2 gap of inner end, then, claw 2 playbacks under the effect of torsion spring 9 elastic force.
as shown in accompanying drawing 1 to 6, on opening seat core 1, there is the dowel hole 10 perpendicular with groove 3 radially.
as shown in accompanying drawing 1 to 6, the inner of claw 2 is curved.The curved setting in the inner of claw 2 can be convenient to junk when passing claw 2 gap of inner end fast, reduces the frictional resistance of junk and claw 2 the inners.
as required, the distance between claw 2 the inners and opening seat core 1 axis is between 15 millimeters to 25 millimeters.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of the utility model most preferred embodiment: first, staff links together snap joint and cable, then blocks snap joint with " C " type dish, and snap joint seat on the end face of drilling tool and loosen cable, is discharged to snap joint; Then, cable channel by the utility model along drilling tool is fixedly mounted in the pipe nipple 11 of drilling tool, then snap joint is fixedly installed togather by crossover sub and drilling tool, drilling tool is positioned at the below of snap joint, in the lower end of drilling tool, is installed with fishing tool; In punching salvaging process, when snap joint is broken when falling, snap joint will be dropped and block and is sitting on dropping against device, by upper portable cable, seat is had to the claw 2 of snap joint along with drilling tool proposes well head, then being installed with pipe nipple 11 of the present utility model, in drilling tool, unload, last staff dismantles instrument and fishing tool, completes punching fishing.
Claims (10)
1. an elastic claw formula dropping against device, it is characterized in that comprising opening seat core and claw, middle part at opening seat core is provided with centre bore, in the upper end of opening seat core, be provided with the radially groove that is no less than two, radially in groove, by torsion spring, the claw that can upwards rotate is being installed, the inner of claw is positioned at centre bore, on opening seat core, is provided with the open slot communicating with centre bore.
2. elastic claw formula dropping against device according to claim 1, is characterized in that the upper end of opening seat core is evenly provided with three radially grooves.
3. elastic claw formula dropping against device according to claim 1 and 2, it is characterized in that being provided with axial draw-in groove on the opening seat core of groove outer end radially, on opening seat core, be provided with groove radially intersect dowel hole, on claw, be provided with the transition pin-and-hole corresponding with dowel hole, in the outer end of claw, be provided with radially mounting groove, transition pin-and-hole and dowel hole all communicate with mounting groove radially, in dowel hole and transition pin-and-hole, be installed with alignment pin, torsion spring is positioned at radially mounting groove, alignment pin and torsion spring set are fitted together, at the middle part of claw, be provided with and radially draw-in groove that radially mounting groove communicates, the outer end of torsion spring and the inner are stuck in axial draw-in groove and radially in draw-in groove.
4. elastic claw formula dropping against device according to claim 3, is characterized in that having on opening seat core the dowel hole perpendicular with groove radially.
5. elastic claw formula dropping against device according to claim 1 and 2, is characterized in that the inner of claw is curved.
6. elastic claw formula dropping against device according to claim 3, is characterized in that the inner of claw is curved.
7. elastic claw formula dropping against device according to claim 4, is characterized in that the inner of claw is curved.
8. elastic claw formula dropping against device according to claim 1 and 2, is characterized in that distance between the inner and opening seat wire mandrel of claw is between 15 millimeters to 25 millimeters.
9. elastic claw formula dropping against device according to claim 3, is characterized in that distance between the inner and opening seat wire mandrel of claw is between 15 millimeters to 25 millimeters.
10. elastic claw formula dropping against device according to claim 7, is characterized in that distance between the inner and opening seat wire mandrel of claw is between 15 millimeters to 25 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568906.4U CN203515425U (en) | 2013-09-13 | 2013-09-13 | Elastic jaw-type anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568906.4U CN203515425U (en) | 2013-09-13 | 2013-09-13 | Elastic jaw-type anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515425U true CN203515425U (en) | 2014-04-02 |
Family
ID=50374372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320568906.4U Expired - Fee Related CN203515425U (en) | 2013-09-13 | 2013-09-13 | Elastic jaw-type anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594852A (en) * | 2014-11-25 | 2015-05-06 | 牡丹江天擎科技有限公司 | Quick connector falling prevention valve |
-
2013
- 2013-09-13 CN CN201320568906.4U patent/CN203515425U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594852A (en) * | 2014-11-25 | 2015-05-06 | 牡丹江天擎科技有限公司 | Quick connector falling prevention valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20180913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |