CN203710082U - Endoscopic undercutting pipe tongs - Google Patents
Endoscopic undercutting pipe tongs Download PDFInfo
- Publication number
- CN203710082U CN203710082U CN201320744821.7U CN201320744821U CN203710082U CN 203710082 U CN203710082 U CN 203710082U CN 201320744821 U CN201320744821 U CN 201320744821U CN 203710082 U CN203710082 U CN 203710082U
- Authority
- CN
- China
- Prior art keywords
- blade
- knife
- knife rest
- wrench according
- pipe wrench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Knives (AREA)
Abstract
The utility model provides a pair of endoscopic undercutting pipe tongs. The pair of endoscopic undercutting pipe tongs comprises a knife rest (1), a knife blade (2) arranged on the knife rest, a plastic coated layer (3) connected with the knife rest, a spring pipe (4) arranged in the plastic coated layer (3), a sliding ring (5) which drives the spring pipe to stretch and retract, a handle (6) and a positioning pin (14), wherein the knife rest comprises a knife groove (11) formed by a side wall and a limiting step (12) which is arranged in the knife groove and limits the displacement of the knife blade; first positioning holes (13) are also symmetrically formed in the two side walls of the knife groove; the positioning pin (14) penetrates through the positioning holes and fixes the knife blade. The tail part of the knife blade provided by the utility model is positioned through a notch, so that the cutting length of a knife edge is effectively increased; the shape of the knife edge is more favorable for machining; the machining cost is reduced. The integrated knife rest is adopted, so that the machining time is shortened effectively, and the production cost is reduced.
Description
Technical field
This utility model relates to medical instruments field, more particularly, relates to pipe cutting pliers under a kind of scope.
Background technology
Under scope, pipe cutting pliers is auxiliary product under the interior emerging scope of nearly 1-2, to cut off the medical apparatus and instruments that enters tubing unnecessary in human body or easily cutting in endoscopic surgery as main uses.Under existing scope, the knife rest of pipe cutting pliers is secondary operations, and assembling position-limitting pin forms.
Under scope of the prior art, the cutter head of pipe cutting pliers is made up of knife rest and blade, and knife rest is connected by alignment pin with blade, and the spacing hole that described knife rest of while also has blade carries out the spacing of blade by mounting limit pin.
Get spacing hole and make described pipe wrench installation loaded down with trivial details by secondary installing spacer pin but open on knife rest, processing is inconvenient.And blade of the prior art is to be undertaken spacingly by front breach and spacer pin, not only reduced effective cutting area, and belong to special-shaped blade processing request because blade cutting edge is jagged high.
Utility model content
In view of this, this utility model provides pipe cutting pliers under a kind of scope, is conducive to processing, has reduced processing cost.
In order to achieve the above object, this utility model provides following technical scheme:
Pipe cutting pliers under a kind of scope, comprise knife rest (1) and be arranged on the blade (2) on described knife rest, connect the covered plastics layer (3) of described knife rest, be arranged at the bourdon tube (4) of described covered plastics layer inside, drive the flexible slip ring of described bourdon tube (5) and handle (6);
Described knife rest comprises the cutter groove (11) being formed by sidewall, is arranged in described cutter groove and limits the limited step (12) of described blade displacement; Symmetrical the first locating hole (13) that is provided with also on described cutter groove two side;
Under described scope, pipe cutting pliers also comprises the alignment pin (14) through described locating hole fixing described blade.
Preferably, described blade (2) comprises the knife back (21) and blade (22), and described blade runs through the long limit of whole blade.
Preferably, described blade knife back one end be provided with cutter groove in the breach (23) that matches of limited step (12).
Preferably, on described cutter groove, do not comprise spacing hole and spacer pin.
Preferably, described locating hole (13) is positioned at the afterbody of described knife rest.
Preferably, on described blade (2), be provided with described the first locating hole (13) to the second locating hole (24) mating.
Preferably, the blade (22) of described blade (2) is positioned at one end arc transition of locating hole.
Preferably, described blade (22) locates also to comprise a pilot hole (221).
Preferably, it is upper that described slip ring sleeve is contained in slide bar (51), and described slide bar (51) is connected with described covered plastics layer (2) and handle (6) respectively.
Preferably, described slip ring is two isodiametric annulus that are symmetricly set in described slide bar.
Pipe cutting pliers under the scope that this utility model provides, comprise knife rest (1) and be arranged on the blade (2) on described knife rest, connect the covered plastics layer (3) of described knife rest, be arranged at the bourdon tube (4) of described covered plastics layer inside, drive the flexible slip ring of described bourdon tube (5) and handle (6); Described knife rest comprises the cutter groove (11) being formed by sidewall, is arranged in described cutter groove and limits the limited step (12) of described blade displacement; Symmetrical the first locating hole (13) that is provided with also on described cutter groove two side; Through the alignment pin (14) of described locating hole fixing described blade.The blade afterbody that this utility model provides is located by breach, has effectively increased the Cutting Length of blade; The shape of blade is conducive to processing more, has reduced processing cost.Adopt integral type knife rest, effectively reduced process time, reduced production cost.
Brief description of the drawings
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The scope incision pipe wrench schematic diagram that Fig. 1 provides for this utility model embodiment;
Fig. 2 is the knife rest schematic diagram of pipe cutting pliers under scope of the prior art;
The knife rest schematic diagram of pipe cutting pliers under the scope that Fig. 3 provides for this utility model embodiment;
The knife rest profile of pipe cutting pliers under the scope that Fig. 4 provides for this utility model embodiment;
Fig. 5 is the blade schematic diagram of pipe cutting pliers under scope of the prior art;
The blade schematic diagram of pipe cutting pliers under the scope that Fig. 6 provides for this utility model embodiment;
Figure 7 shows that in prior art the structural representation of pipe cutting pliers under scope.
Detailed description of the invention
The utility model discloses pipe cutting pliers under a kind of scope, blade afterbody is located by breach, has effectively increased the Cutting Length of blade; The shape of blade is conducive to processing more, has reduced processing cost.Adopt integral type knife rest, effectively reduced process time, reduced production cost.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out to clear, complete description, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Fig. 1, Fig. 4, Fig. 6, this utility model provides pipe cutting pliers under a kind of scope, comprise knife rest 1 and be arranged on the blade 2 on described knife rest, connect the covered plastics layer 3 of described knife rest, be arranged at the bourdon tube 4 of described covered plastics layer inside, drive described bourdon tube flexible slip ring 5 and handle 6; Described knife rest comprises the cutter groove 11 being formed by sidewall, is arranged in described cutter groove and limits the limited step 12 of described blade displacement; On described cutter groove two side, go back symmetrical first locating hole 13 that is provided with; Through the alignment pin 14 of described locating hole fixing described blade.Length shown in L in Fig. 1 is the actual part of implementing cutting in health that enters.
According to this utility model, on described cutter groove, do not comprise spacing hole and spacer pin.So only need to blade be installed on described cutter groove in the time producing and assemble described pipe wrench, save the time.Described limited step 12 is arranged at described cutter slot tail in addition.Described the first locating hole 13 is positioned at the afterbody of described knife rest.The distance of described the first locating hole and described cutter slot tail is greater than the distance between described limited step and described cutter slot tail.
As shown in Figure 6, described blade 2 comprises the knife back 21 and blade 22, and described blade runs through the long limit of whole blade, has increased the effective cutting length of blade.Described blade knife back one end be provided with cutter groove in the breach 23 that matches of limited step 12.In the time that described breach and described limited step agree with, blade is in cut state, in the time that limited step separates with described breach, in uncut state.Described blade 22 places also comprise a pilot hole 221, assemble the bourdon tube of pipe cutting pliers under scope on described pilot hole, and pass through the flexible of slip ring control spring pipe, thereby control the circumgyration incision of blade.On described blade 2, be provided with the second locating hole 24 matching with described the first locating hole 13.The blade 22 of described blade 2 is positioned at one end arc transition of locating hole.
According to this utility model, described slip ring sleeve is contained on slide bar 51, and described slide bar 51 is connected with described covered plastics layer 2 and handle 6 respectively.Described slip ring is two isodiametric annulus that are symmetricly set in described slide bar.Described slide bar is hollow stem, and covered plastics layer is also hollow-core construction, and described bourdon tube one end is connected on the pilot hole of described blade, and the other end connects described slip ring, and the movement by slip ring on slide bar realizes the circumgyration incision of blade.
As shown in Figure 2 and Figure 5, the c in Fig. 2 is spacer pin of the prior art, coordinates spacingly by spacer pin with the breach a in Fig. 5, can prevent the excessive cutting of blade.And make the effective cutting length of the blade b of blade in prior art reduce just because of breach a, can not cut on a large scale.The blade afterbody that this utility model provides is located by breach, has effectively increased the Cutting Length of blade; The shape of blade is conducive to processing more, has reduced processing cost.Adopt integral type knife rest, effectively reduced process time, reduced production cost.
In addition as shown in Figure 7, slip ring of the prior art is that an annulus is sleeved on slide bar, be inconvenient to clamp, and the slip ring that this utility model provides is two annulus, connects root finger manipulation, and stability is better.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, this utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a pipe cutting pliers under scope, comprises knife rest (1) and is arranged on the blade (2) on described knife rest, connects the covered plastics layer (3) of described knife rest, be arranged at the bourdon tube (4) of described covered plastics layer inside, drive the flexible slip ring of described bourdon tube (5) and handle (6), it is characterized in that
Described knife rest comprises the cutter groove (11) being formed by sidewall, is arranged in described cutter groove and limits the limited step (12) of described blade displacement; Symmetrical the first locating hole (13) that is provided with also on described cutter groove two side;
Under described scope, pipe cutting pliers also comprises the alignment pin (14) through described locating hole fixing described blade.
2. pipe wrench according to claim 1, is characterized in that, described blade (2) comprises the knife back (21) and blade (22), and described blade runs through the long limit of whole blade.
3. pipe wrench according to claim 2, is characterized in that, described blade knife back one end be provided with cutter groove in the breach (23) that matches of limited step (12).
4. pipe wrench according to claim 1, is characterized in that, on described cutter groove, does not comprise spacing hole and spacer pin.
5. pipe wrench according to claim 1, is characterized in that, described locating hole (13) is positioned at the afterbody of described knife rest.
6. pipe wrench according to claim 1, is characterized in that, is provided with described the first locating hole (13) to the second locating hole (24) mating on described blade (2).
7. pipe wrench according to claim 6, is characterized in that, the blade (22) of described blade (2) is positioned at one end arc transition of locating hole.
8. pipe wrench according to claim 1, is characterized in that, described blade (22) locates also to comprise a pilot hole (221).
9. pipe wrench according to claim 1, is characterized in that, it is upper that described slip ring sleeve is contained in slide bar (51), and described slide bar (51) is connected with described covered plastics layer (2) and handle (6) respectively.
10. pipe wrench according to claim 9, is characterized in that, described slip ring is two isodiametric annulus that are symmetricly set in described slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744821.7U CN203710082U (en) | 2013-11-21 | 2013-11-21 | Endoscopic undercutting pipe tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744821.7U CN203710082U (en) | 2013-11-21 | 2013-11-21 | Endoscopic undercutting pipe tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203710082U true CN203710082U (en) | 2014-07-16 |
Family
ID=51149289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744821.7U Expired - Lifetime CN203710082U (en) | 2013-11-21 | 2013-11-21 | Endoscopic undercutting pipe tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203710082U (en) |
-
2013
- 2013-11-21 CN CN201320744821.7U patent/CN203710082U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |