CN206925910U - One kind cuts out pipe knife - Google Patents
One kind cuts out pipe knife Download PDFInfo
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- CN206925910U CN206925910U CN201720690542.5U CN201720690542U CN206925910U CN 206925910 U CN206925910 U CN 206925910U CN 201720690542 U CN201720690542 U CN 201720690542U CN 206925910 U CN206925910 U CN 206925910U
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- blade
- torsion spring
- matching
- fixed handle
- handle
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Abstract
The utility model discloses one kind to cut out pipe knife, and it includes fixed handle, flexible handle, blade, torsion spring member and fixture block；The top matching of flexible handle is articulated with the centre of fixed handle；Blade shaft matching is articulated with fixed handle, and the bottom of the blade is provided with the arc ratchet of connection in conjunction；One end matching of fixture block is articulated with flexible handle, and the other end of the fixture block matches setting with the arc ratchet of blade；Coaxially matching is socketed in rotating shaft torsion spring member, and the torsion spring member is made up of the torsion spring of two coaxial parallel distributions, and one end of two torsion springs passes through a parallel cross bar matching connection of axial line therewith；Blade is between two torsion springs；The one end of torsion spring member without cross bar is fixedly connected on fixed handle, and one end matching that the torsion spring member has cross bar is fixed on blade.The utility model uses above-mentioned torsion spring structure so that is more uniformly stressed, is not easily disconnected from, be hardly damaged, effectively increases service life.
Description
Technical field
The utility model belongs to cutter field, more particularly to a kind of sanction pipe knife.
Background technology
Cut out pipe knife be it is a kind of be used for by pipe from radial direction cut-out instrument, at present at will every profession and trade to pipe especially
PVCPP-R etc. moulds the extensive use of tube material so that cutting out pipe knife turns into a kind of conventional cutting tool.Pipe knife is cut out to use lightly,
Articles for use are typically consumed, the preferable service life of quality is between 1-3.Wherein, the blade in pipe knife is cut out to be easier to damage,
And the blade for generally cutting out pipe knife is very inconvenient with changing.
Wherein, the connecting spring of the blade of present sanction pipe knife is strip, the other end and the fixture block phase of connecting spring
The function to realize the reset function of blade and cause fixture block to coordinate with the ratchet below blade in cutting process is connected, should
For connecting spring due to the thickness relationship of housing, spring is smaller, and it is thinner to make the spring steel cable of spring, needs to reset and hold for a long time
By pulling force, the position being connected with fixture block is easy for coming off so that whole instrument can not use, and change also more frequent.
In addition, the sanction pipe knife resetted now using torsion spring, because torsion spring is present in the unilateral of blade, regardless of whether in use
Certain lateral force will be produced to blade, causes blade to be easier to damage, reduces its service life.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is to provide that a kind of blade reset capability is stronger and uniform force is stable
Sanction pipe knife.
(2) technical scheme
In order to solve the above technical problems, the utility model provide it is a kind of cut out pipe knife, it include fixation handle, flexible handle,
Blade, torsion spring member and fixture block；The top matching of flexible handle is articulated with the centre of fixed handle；The centre of blade passes through rotating shaft
Matching is articulated with fixed handle；The upper end of the upper end edge of a knife of blade and fixed handle forms the pincers for being used for cutting pipes
Mouthful, the bottom of the blade is provided with the arc ratchet of connection in conjunction；One end matching of fixture block is articulated with flexible handle, should
The other end of fixture block and the arc ratchet of blade match setting；Coaxially matching is socketed in rotating shaft torsion spring member, the torsion spring group
Part is made up of the torsion spring of two coaxial parallel distributions, and one end of two torsion springs passes through a parallel cross bar of axial line therewith
Match connection；Spacing between two torsion springs is more than the thickness of blade, and blade is arranged between two torsion springs；Torsion spring member without
One end of cross bar is fixedly connected on fixed handle, and one end matching that the torsion spring member has cross bar is fixed on blade.
Wherein, rotating shaft includes the elongated insertion part and cylindrical bar of integrally connected, and the section of the elongated insertion part is non-circular structure, circle
The end of mast is provided with screwed hole；The counterbore to match with rotating shaft is provided with fixed handle；The macropore and elongated insertion part of counterbore
Match, aperture and the cylindrical bar of the counterbore match；Spiral shell of the rotating shaft Matching installation after counterbore by matching with screwed hole
Bolt is fixedly connected.
Wherein, the bottom of fixed handle is provided with a matched be hinged clasp, the clasp and flexible handle
Ends match snapping.
Wherein, the place of shaking hands of both fixed handle and flexible handle is provided with slipmat.
(3) beneficial effect
Compared with prior art, the utility model realizes the reset function of blade using torsion spring structure, under same volume
There is more powerful reset and ability to bear than common extension spring, and more allowing blade replacement is very convenient；And the torsion of this product
Spring component uses symmetrical torsion spring structure so that blade is more uniformly stressed stabilization and without lateral force, greatly carries
The high service life of blade；Wherein, rotating shaft uses the form that bolt is fixed so that the dismounting of blade is very convenient with changing；And
The snap ring structure set up so that this sanction pipe knife can limit the reset of blade when not in use, and the edge of a knife of blade is concealed in
The inside of fixed handle, avoid people injured；In addition, slipmat is set up at the place of shaking hands for fixing both handle and flexible handle,
Certain frictional force can be increased so that people grasp more firm, avoid skidding in use and injured.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model cuts out pipe knife.
Fig. 2 is the structural representation for the torsion spring member that the utility model cuts out pipe knife.
Fig. 3 is the structural representation for the rotating shaft that the utility model cuts out pipe knife.
Fig. 4 is the structural representation of sanction pipe knife of the utility model with slipmat.
Description of reference numerals：1st, fixed handle；2nd, flexible handle；3rd, blade；4th, torsion spring member；5th, fixture block；6th, rotating shaft；7、
Clasp；8th, slipmat；11st, counterbore；31st, arc ratchet；41st, torsion spring；42nd, cross bar；61st, elongated insertion part；62nd, cylindrical bar；63rd, screw thread
Hole.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but can not be used for limiting the scope of the utility model.
Fig. 1 is the structural representation that the utility model cuts out pipe knife, and it is by fixed handle 1, movable handle to embody this sanction pipe knife
What hand 2, blade 3, torsion spring member 4, fixture block 5 and rotating shaft 6 formed, and its attachment structure between them, and reflect clasp 7
Use state；Fig. 2 is the structural representation for the torsion spring member that the utility model cuts out pipe knife, major embodiment torsion spring member 4 be by
What two symmetrical torsion springs 41 formed；Fig. 3 is the structural representation for the rotating shaft that the utility model cuts out pipe knife, is reflected emphatically
Rotating shaft 6 is made up of elongated insertion part 61, cylindrical bar 62 and screwed hole 63；Fig. 4 is that the utility model cuts out pipe knife with slipmat
Structural representation, emphasis embody slipmat 8.
The utility model cuts out the structure of pipe knife as shown in Figures 1 and 2, the sanction pipe knife include fixed handle 1, flexible handle 2,
Blade 3, torsion spring member 4 and fixture block 5；The top matching of flexible handle 2 is articulated with the centre of fixed handle 1；The centre of blade 3 leads to
The matching of rotating shaft 6 is crossed to be articulated with fixed handle 1；The upper end of the upper end edge of a knife of blade 3 and fixed handle 1 forms one and is used to cut
The jaw of pipe fitting, the bottom of the blade 3 are provided with the arc ratchet 31 of connection in conjunction；One end matching of fixture block 5 is articulated with
On flexible handle 2, the other end of the fixture block 5 and the arc ratchet 31 of blade 3 match setting；Coaxially matching covers torsion spring member 4
It is connected in rotating shaft 6, the torsion spring member 4 is made up of the torsion spring 41 of two coaxial parallel distributions, and one end of two torsion springs 41 passes through
One therewith the parallel cross bar 42 of axial line match connection；Spacing between two torsion springs 41 is more than the thickness of blade 3, knife
Piece 3 is arranged between two torsion springs 41；The one end of torsion spring member 4 without cross bar 42 is fixedly connected on fixed handle 1, the torsion spring group
One end matching that part 4 has cross bar 42 is fixed on blade 3.The utility model realizes the reset work(of blade using torsion spring structure
Can, there is more powerful reset and ability to bear than common extension spring under same volume, and more allowing blade replacement is very convenient；And
And the torsion spring member of this product uses symmetrical torsion spring structure so that blade is more uniformly stressed stable and nothing and laterally pulled
Power, drastically increase the service life of blade.Wherein, the lower end of blade 3 or side offer one and matched with cross bar 42
Fluting, the convenient installation for reversing component 4；Torsion spring member 4 when mounted, first the cross bar 42 of torsion spring member 4 from blade 3
It is caught at the fluting to match, is then just socketed on together with blade 3 and torsion spring member 4 in rotating shaft 6.In addition, torsion spring member 4
Can also be two full symmetric torsion springs compositions, and cross bar 42 can intermediate symmetry separately respectively with two symmetrical torsion springs one
Body connects；In installation process, two torsion springs of torsion spring member 4 can be fixed with blade 3 respectively.
As shown in Figures 2 and 3, in the present embodiment, rotating shaft 6 includes the elongated insertion part 61 and cylindrical bar 62 of integrally connected, the lock
Fixed first 61 section is non-circular structure, and the end of cylindrical bar 62 is provided with screwed hole 63；It is provided with fixed handle 1 with turning
The counterbore 11 that axle 6 matches；The macropore of counterbore 11 matches with elongated insertion part 61, aperture and the phase of cylindrical bar 62 of the counterbore 11
Match somebody with somebody；The Matching installation of rotating shaft 6 is fixedly connected after counterbore 11 by the bolt to match with screwed hole 63.The utility model rotating shaft is adopted
With said structure, the form fixed using bolt so that the dismounting of blade is very convenient with changing.
As shown in figure 1, in the present embodiment, the bottom of fixed handle 1 is provided with a matched be hinged clasp 7,
The ends match snapping of the clasp 7 and flexible handle 2.The utility model sets up above-mentioned snap ring structure so that this sanction pipe knife
The reset of blade can be limited when not in use, and the edge of a knife of blade is concealed in the inside of fixed handle, avoid people injured.
Wherein, the bayonet unit of fixation handle 1 and flexible handle 2 after clasp 7 can be closed up with other connections substitutes.
As shown in figure 4, in the present embodiment, fixed both places of shaking hands of handle 1 and flexible handle 2 are provided with slipmat 8, can
To increase certain frictional force so that people grasp more firm, avoid skidding in use and injured.Wherein, the slipmat 8
The structure type with fixed handle 1 and the integrally connected of flexible handle 2 can be made, i.e., in 2 liang of fixed handle 1 and flexible handle
The upper non-slip texture of the place's of shaking hands marking of person.
It these are only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
Member for, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. one kind cuts out pipe knife, it is characterised in that：The sanction pipe knife includes fixed handle (1), flexible handle (2), blade (3), torsion
Spring component (4) and fixture block (5)；The top matching of the flexible handle (2) is articulated with the centre of fixed handle (1)；The blade
(3) centre is articulated with fixed handle (1) by rotating shaft (6) matching；The upper end edge of a knife of blade (3) and fixed handle (1)
Upper end forms a jaw for being used for cutting pipes, and the bottom of the blade (3) is provided with the arc ratchet of connection in conjunction
(31)；One end matching of the fixture block (5) is articulated with flexible handle (2), the other end of the fixture block (5) and the arc of blade (3)
Shape ratchet (31) matches setting；
Coaxially matching is socketed in rotating shaft (6) torsion spring member (4), and the torsion spring member (4) is by two coaxial parallel distributions
Torsion spring (41) forms, one end of two torsion springs (41) by one therewith the parallel cross bar of axial line (42) match company
Connect；Spacing between two torsion springs (41) is more than the thickness of blade (3), and blade (3) is arranged between two torsion springs (41)；Torsion spring
The one end of component (4) without cross bar (42) is fixedly connected on fixed handle (1), and the torsion spring member (4) has one end of cross bar (42)
Matching is fixed on blade (3).
2. sanction pipe knife according to claim 1, it is characterised in that：The rotating shaft (6) includes the elongated insertion part of integrally connected
(61) and cylindrical bar (62), the section of the elongated insertion part (61) is non-circular structure, and the end of the cylindrical bar (62) is set
There is screwed hole (63)；The counterbore (11) to match with rotating shaft (6) is provided with the fixed handle (1)；The counterbore (11)
Macropore matches with elongated insertion part (61), and aperture and the cylindrical bar (62) of the counterbore (11) match；Rotating shaft (6) Matching installation is in heavy
It is fixedly connected behind hole (11) by the bolt to match with screwed hole (63).
3. sanction pipe knife according to claim 1, it is characterised in that：The bottom of the fixed handle (1) be provided with one with
The be hinged clasp (7) that matches, the ends match snapping of the clasp (7) and flexible handle (2).
4. sanction pipe knife according to claim 1, it is characterised in that：Both the fixed handle (1) and flexible handle (2)
The place of shaking hands is provided with slipmat (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720690542.5U CN206925910U (en) | 2017-06-14 | 2017-06-14 | One kind cuts out pipe knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720690542.5U CN206925910U (en) | 2017-06-14 | 2017-06-14 | One kind cuts out pipe knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206925910U true CN206925910U (en) | 2018-01-26 |
Family
ID=61345295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720690542.5U Active CN206925910U (en) | 2017-06-14 | 2017-06-14 | One kind cuts out pipe knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206925910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843826A (en) * | 2021-08-30 | 2021-12-28 | 诸暨市辉煌五金有限公司 | Tubular material cutter with easily-replaceable blade |
-
2017
- 2017-06-14 CN CN201720690542.5U patent/CN206925910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843826A (en) * | 2021-08-30 | 2021-12-28 | 诸暨市辉煌五金有限公司 | Tubular material cutter with easily-replaceable blade |
| CN113843826B (en) * | 2021-08-30 | 2023-01-31 | 诸暨市辉煌五金有限公司 | Tubular material cutter with easily-replaceable blade |
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