CN204217424U - A kind of hook tip instrument - Google Patents
A kind of hook tip instrument Download PDFInfo
- Publication number
- CN204217424U CN204217424U CN201420693743.7U CN201420693743U CN204217424U CN 204217424 U CN204217424 U CN 204217424U CN 201420693743 U CN201420693743 U CN 201420693743U CN 204217424 U CN204217424 U CN 204217424U
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- CN
- China
- Prior art keywords
- spacing hole
- erecting bed
- mounting groove
- hook tip
- lock lever
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- 210000002421 cell wall Anatomy 0.000 claims abstract description 10
- 230000004323 axial length Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 241000209128 Bambusa Species 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model relates to a kind of hook tip instrument, belongs to cutting tool field, so that hook tip instrument quick-replaceable to hook tip cutter.A kind of hook tip instrument, comprise vertical rod, latch assembly and hook tip cutter, described latch assembly comprises erecting bed, sleeve, check lock lever and elastic component, described erecting bed is fixed on described rod end, the top end face of described erecting bed is provided with mounting groove, the side cell wall of described mounting groove is provided with the first spacing hole, the opposite side cell wall of described mounting groove is provided with the second spacing hole, described hook tip cutter is provided with boss, described boss end contacts described mounting groove diapire by described elastic component, described boss is provided with radial the 3rd spacing hole arranged, described check lock lever is successively through described first spacing hole, after described second spacing hole and described 3rd spacing hole, described sleeve bottom end to be enclosed within described erecting bed and to be threaded with described erecting bed, thus block described first spacing hole and described second spacing hole.
Description
Technical field
The utility model relates to a kind of hook tip instrument, belongs to cutting tool field.
Background technology
In Huzhou, near annual transmission line of electricity, nearly 4000 bamboos need to cut the tip to it, so that safeguard that transmission line of electricity runs normally.Because transmission line of electricity is mostly in remote districts, surfaceman needs the branches and leaves excising a large amount of bamboos at short notice, has a rest so that can get back to residential area night.This just means, is cutting in tip process to bamboo, and surfaceman will change cutting edge stubbed hook tip cutter in time, or is removed from vertical rod fast by stubbed for cutting edge hook tip cutter, so that surfaceman is by sharp for the cutting edge mill hooked on tip cutter.
Summary of the invention
Problem to be solved in the utility model is just to provide a kind of hook tip instrument, so that hook tip instrument quick-replaceable to hook tip cutter.
For solving the problem, the utility model adopts following technical scheme:
A kind of hook tip instrument, comprise vertical rod, latch assembly and hook tip cutter, described vertical rod is connected with described hook tip cutter by described latch assembly, described latch assembly comprises erecting bed, sleeve, check lock lever and elastic component, described erecting bed is fixed on described rod end, the top end face of described erecting bed is provided with mounting groove, the side cell wall of described mounting groove is provided with the first spacing hole, the opposite side cell wall of described mounting groove is provided with the second spacing hole, described hook tip cutter is provided with away from one end of cutting edge the boss coordinated with described mounting groove, described boss end contacts described mounting groove diapire by described elastic component, described boss is provided with radial the 3rd spacing hole arranged, the axial length of described check lock lever is greater than the axial length of described 3rd spacing hole, and the axial length of described check lock lever is less than the axial length of described first spacing hole, the axial length of described second spacing hole and the axial length sum of described 3rd spacing hole, described check lock lever is successively through described first spacing hole, after described second spacing hole and described 3rd spacing hole, described sleeve bottom end to be enclosed within described erecting bed and to be threaded with described erecting bed, thus block described first spacing hole and described second spacing hole.
The utility model hooks tip instrument and comprises vertical rod, latch assembly and hook tip cutter, latch assembly comprises erecting bed, sleeve, check lock lever and elastic component, erecting bed is fixed on the top of vertical rod, the top end face of erecting bed is provided with mounting groove, the side cell wall of mounting groove is provided with the first spacing hole, the opposite side cell wall of mounting groove is provided with the second spacing hole, hook tip cutter is provided with away from one end of cutting edge the boss coordinated with mounting groove, boss is provided with radial the 3rd spacing hole arranged, check lock lever is successively through the first spacing hole, after 3rd spacing hole and the second spacing hole, move axially to avoid hooking tip cutter.Although, as long as arrange external screw thread on the sidewall of check lock lever, the hole wall of the first spacing hole and the second spacing hole arranges internal thread respectively that coordinate with external screw thread and just can realize fixed hook tip cutter, but, transmission line of electricity in most cases, all will by the hillside that is not open to traffic, for alleviating the number of tools that surfaceman needs with oneself to carry, by jacket casing on erecting bed, surfaceman is threaded with erecting bed without the need to just realizing sleeve by other instruments, closes the first spacing hole and the second spacing hole to realize erecting bed.Simultaneously, erecting bed just relies on check lock lever to link together with hook tip cutter, erecting bed is too low with the bonding strength hooking tip cutter, when hooking tip instrument and excising thicker branches and leaves, hook tip cutter to be separated with vertical rod due to check lock lever fracture, this can bring potential safety hazard to standing in the attendant hooked below tip cutter.For preventing surfaceman's neglected loading check lock lever, elastic component is set in mounting groove, so that the hook tip cutter not installing check lock lever ejects by mounting groove.This structure, as hook tip cutter removed from vertical rod, only needs turnbarrel, and check lock lever is exited in the 3rd spacing hole.
Further, described sleeve top is enclosed within described hook tip cutter, and described hook tip cutter is connected with described bush whorl.This structure can strengthen the bonding strength hooking tip cutter and erecting bed.
Further, described latch assembly also comprises screw, described erecting bed is provided with radial direction and arranges stepped hole, described stepped hole is provided with step surface, the hole wall of described stepped hole is provided with projection, described screw one end cover has the nut with described protruding interference fit, and when described nut is between described projection and described step surface, the described screw other end extends to outside described erecting bed.At hook tip cutter after erecting bed dismounting, sleeve is fixed by screws on erecting bed, and this structure can reduce the probability that sleeve is lost.
Further, the cross section of described mounting groove is polygon or ellipse.This structure facilitates the first spacing hole and the second spacing hole corresponding with the 3rd spacing hole respectively.
Further, described erecting bed bottom sidewall is provided with external screw thread, and described rod end is provided with groove, and the sidewall of described groove is provided with the internal thread coordinated with described external screw thread.
Further, the diameter of described vertical rod is more than or equal to the diameter of described sleeve.The shaft orientation moving range of sleeve is limited on the position between screw and vertical rod by this structure.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation hooking tip instrument in the utility model;
Fig. 2 is a kind of part-structure schematic diagram hooking tip instrument in the utility model;
Fig. 3 is the structural representation at A place in Fig. 2.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of hook tip instrument, comprise vertical rod 1, latch assembly and hook tip cutter 3, latch assembly comprises erecting bed 2, check lock lever 4, sleeve 5 and elastic component 6.The sidewall of erecting bed 2 is provided with the first external screw thread, the top end face of erecting bed 2 is provided with mounting groove 21, the side cell wall of mounting groove 21 is provided with the first spacing hole 211, the central shaft of the central shaft and the second spacing hole 212 that the opposite side cell wall of mounting groove 21 are provided with the second spacing hole 212, first spacing hole 211 is located along the same line.Hook tip cutter 3 and one end of cutting edge is provided with boss 31 towards downward-extension, boss 31 can insert in mounting groove 21, boss 31 is provided with radial the 3rd spacing hole 311 arranged, 3rd spacing hole 311 one end open place is communicated with the first spacing hole the 211, three spacing hole 311 other end opening part and is communicated with the second spacing hole 212.The madial wall of sleeve 5 is provided with the first internal thread coordinated with the first external screw thread.When check lock lever 4 is successively through the first spacing hole 211, the 3rd spacing hole 311 and the second spacing hole 212, sleeve 5 is enclosed within erecting bed 2, and is threaded with erecting bed 2.
With reference to Fig. 2, hooking tip cutter 3 and the bonding strength of erecting bed 2 for increasing, hooking tip cutter 3 away from the sidewall of cutting edge one end being arranged the second external screw thread with the first screw-internal thread fit, being threaded with sleeve 5 to realize hooking tip cutter 3.
With reference to Fig. 2 and Fig. 3, latch assembly also comprises screw 7, screw 7 is provided with nut 71 away from one end of head, erecting bed 2 is provided with the radial stepped hole 22 arranged, the axial direction of stepped hole 22 is provided with step surface 221, the sidewall of stepped hole 22 large footpath section is provided with protruding 222, and nut 71 is arranged in the gap of stepped hole 22 between step surface 221 and protruding 222, and screw 7 inserts stepped hole 22 away from one end of head from stepped hole 22 path section and is threaded with nut 71.The madial wall on vertical rod 1 top is provided with the second internal thread, the Basolateral wall of erecting bed 2 is provided with the 3rd external screw thread with the second screw-internal thread fit, the outer profile size of vertical rod 1 is consistent with the outer profile size of sleeve 5, when erecting bed 2 is threaded with column 1, column 1 and screw 7 can limit the scope that sleeve 5 moves axially.
Although after column is separated with erecting bed, the sleeve be limited between column and screw can take off, but, the utility model, the hole wall of the miner diameter end opening part of stepped hole is offered a groove coordinated with screw head, so, attendant is by promoting screw, pass protruding after making nut expression lobes, now, the head of screw can bury and groove, column and erecting bed are in unseparated situation, and sleeve also can be removed.Screw axial length is under such configuration less than the radical length of erecting bed.
With reference to Fig. 3, for avoiding check lock lever 4 to interfere sleeve 5 to be threaded with erecting bed 2, the axial length of check lock lever 4 is less than the axial length of the first spacing hole 211, the axial length of the second spacing hole 212 and the axial length sum of the 3rd spacing hole 311.For guaranteeing that check lock lever 4 inserts in the first spacing hole 211 and the second spacing hole 212 simultaneously, the axial length of check lock lever 4 need be greater than the axial length of the 3rd spacing hole 311, certainly, for ensureing the locking effect of check lock lever 4, namely insert in the first spacing hole 211 and the second spacing hole 212, the axial length of check lock lever 4 preferably can be greater than the axial length of the first spacing hole 211 (or second spacing hole 212) and the axial length sum of the 3rd spacing hole 311 simultaneously.
The above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, and those of ordinary skill in the art should be understood that the content that the utility model includes but not limited to accompanying drawing and describes in embodiment above.Any amendment not departing from function and structure principle of the present utility model all will comprise within the scope of the appended claims.
Claims (6)
1. one kind hooks tip instrument, comprise vertical rod, latch assembly and hook tip cutter, described vertical rod is connected with described hook tip cutter by described latch assembly, it is characterized in that: described latch assembly comprises erecting bed, sleeve, check lock lever and elastic component, described erecting bed is fixed on described rod end, the top end face of described erecting bed is provided with mounting groove, the side cell wall of described mounting groove is provided with the first spacing hole, the opposite side cell wall of described mounting groove is provided with the second spacing hole, described hook tip cutter is provided with away from one end of cutting edge the boss coordinated with described mounting groove, described boss end contacts described mounting groove diapire by described elastic component, described boss is provided with radial the 3rd spacing hole arranged, the axial length of described check lock lever is greater than the axial length of described 3rd spacing hole, and the axial length of described check lock lever is less than the axial length of described first spacing hole, the axial length of described second spacing hole and the axial length sum of described 3rd spacing hole, described check lock lever is successively through described first spacing hole, after described second spacing hole and described 3rd spacing hole, described sleeve bottom end to be enclosed within described erecting bed and to be threaded with described erecting bed, thus block described first spacing hole and described second spacing hole.
2. one according to claim 1 hooks tip instrument, it is characterized in that: described sleeve top is enclosed within described hook tip cutter, and described hook tip cutter is connected with described bush whorl.
3. one according to claim 1 hooks tip instrument, it is characterized in that: described latch assembly also comprises screw, described erecting bed is provided with radial direction and arranges stepped hole, described stepped hole is provided with step surface, the hole wall of described stepped hole is provided with projection, described screw one end cover has the nut with described protruding interference fit, and when described nut is between described projection and described step surface, the described screw other end extends to outside described erecting bed.
4. the one according to claim 1 or 2 or 3 hooks tip instrument, it is characterized in that: the cross section of described mounting groove is polygon or ellipse.
5. the one according to claim 1 or 2 or 3 hooks tip instrument, and it is characterized in that: described erecting bed bottom sidewall is provided with external screw thread, and described rod end is provided with groove, the sidewall of described groove is provided with the internal thread coordinated with described external screw thread.
6. one according to claim 5 hooks tip instrument, it is characterized in that: the diameter of described vertical rod is more than or equal to the diameter of described sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693743.7U CN204217424U (en) | 2014-11-18 | 2014-11-18 | A kind of hook tip instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693743.7U CN204217424U (en) | 2014-11-18 | 2014-11-18 | A kind of hook tip instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204217424U true CN204217424U (en) | 2015-03-25 |
Family
ID=52915595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693743.7U Active CN204217424U (en) | 2014-11-18 | 2014-11-18 | A kind of hook tip instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204217424U (en) |
-
2014
- 2014-11-18 CN CN201420693743.7U patent/CN204217424U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |