CN203697198U

CN203697198U - Bamboo breaking knife convenient to use

Info

Publication number: CN203697198U
Application number: CN201420021389.3U
Authority: CN
Inventors: 张焕明
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-14
Filing date: 2014-01-14
Publication date: 2014-07-09
Anticipated expiration: 2024-01-14

Abstract

The utility model discloses a bamboo breaking knife convenient to use. The bamboo breaking knife comprises a knife rest and a knife body arranged inside the knife rest. The knife rest comprises an annular steel ring and a pair of knife handles, and the handles are arranged on the outer wall of the steel ring. The knife body comprises a plurality of annular knife rings with different diameters and a plurality of steel knives, the knife rings and the steel ring are coaxially ranked in a layered mode, and gaps between the knife rings are slightly larger than the thickness of bamboo wood. The steel knives are ranked between the knife rings respectively at equal intervals and in a scattered mode to make the knife rings be connected together to form a plurality of steel knife combination layers and divide an annular gap defined by the knife rings into a plurality of arc segments with basically equal arc lengths. Internal threads are arranged inside the steel ring, and external threads matched with the internal threads are arranged on the outer surface of the knife ring on the outermost layer. The bamboo breaking knife has the advantages that the knife body is convenient to replace, the knife does not need to be frequently replaced, broken bamboo chips are uniform, and bamboo breaking efficiency is high.

Description

A kind of broken bamboo cutter easy to use

Technical field

The utility model relates to a kind of broken bamboo cutter, relates in particular to a kind of disposable broken bamboo cutter that bamboo is broken into some.

Background technology

In the time producing the bamboo products such as bamboo basket, bamboo basket, first the bamboo cutting out to be broken into bamboo chip, to be further processed into thin bamboo strips used for weaving, just can produce the bamboo product of various fineness.Traditional method is with knife, bamboo to be cut away half, more repeatedly breaks bamboo and just can complete a bamboo wood is broken into multi-disc bamboo chip.Such result is broken that bamboo efficiency is low, and the uniformity of the bamboo chip width breaking is poor, causes defect rate high.

For this reason, people improve broken bamboo cutter, if the patent No. is that CN200620136834.6, name are called the Chinese utility model patent of " a kind of novel broken bamboo cutter ", it discloses a kind of broken bamboo cutter, it is by an annular steel ring, steel ring internal diameter is fixed with two to 18 intersecting the steel knife equidistant, decile is arranged as one, and steel ring outer wall center is drilled with a little shrinkage pool; Handle of a knife is divided into the annular steel ring of two layers by an internal diameter, steel ring is radially provided with screwed hole in the large centre of internal diameter, is provided with screw in screwed hole, and steel ring outer wall is fixed with the handle of a pair of symmetry.This broken bamboo cutter is disposable can be broken into a bamboo wood the some uniform bamboo chips of width.

But there is defect in this broken bamboo cutter, because steel knife is fixed on annular steel ring, can not dismantle, a cutter can only break the bamboo chip of stator number, in the time that bamboo footpath is different, the essentially identical bamboo chip of broken width needs the broken bamboo cutter of many handles just can complete, and can not complete by the quantity of changing inner steel knife; And it is inconvenient to whet a knife when edges dull, also cannot change, and the knife rest life-span is more much longer than steel knife when steel knife damages, can only whole cutter be cancelled and be processed, cause the waste of resource, be unfavorable for environmental protection, also make troubles to user collection and use, increased user and purchase the cost of instrument.In addition, because cutter is not equipped with the cutter except bamboo internal segment, the bamboo chip after breaking needs to remove one by one in addition bamboo internal segment, removes bamboo internal segment efficiency low.And, due to bamboo footpath difference, and even for the bamboo chip width consistency keeping broken when broken bamboo, need to often change the cutter of the quantity that is provided with different steel knives, user will prepare much knives tool, and often tool changing tool is also inconvenient, has reduced operating efficiency.

Summary of the invention

The utility model improves broken bamboo cutter, solves that steel knife can not be dismantled and the problem that cannot change, the bamboo wood of removing bamboo internal segment and broken different bamboos footpath when can not breaking bamboo need the frequent problem of changing cutter.

For achieving the above object, the scheme that the utility model is taked is: a kind of broken bamboo cutter easy to use, comprise knife rest and the cutter hub that is arranged at knife rest inner side, and knife rest comprises annular steel ring and a secondary handle of a knife, handle of a knife is arranged on steel ring outer wall; It is characterized in that: cutter hub comprises the annular cutter ring of several different-diameters and some steel knife, described cutter ring layering and steel ring arranged in co-axial alignment, the spacing between cutter ring is slightly larger than the thickness of bamboo wood; Steel knife is equidistantly arranged in respectively between each cutter ring with dispersion shape, and cutter ring is joined together to form to some layers of steel knife combination layer, and the ring-type spacing that cutter ring is surrounded is divided into some segmental arcs that arc length equates substantially; Described steel ring inner side is provided with internal thread, and the outer surface of outermost layer cutter ring is provided with the external screw thread with screw-internal thread fit.So just cutter ring rotation can be screwed in steel ring, thereby conveniently described cutter hub be removably fixed on to described knife rest inner side.Multilayer cutter ring structure, to the bamboo wood in different bamboos footpath, the uniformity of broken bamboo chip width in order to keep, need not change cutter continually, has improved operating efficiency.And in broken bamboo wood, internal layer cutter ring also can be removed the internal segment of bamboo wood together, save the technique of removing again bamboo internal segment after broken good bamboo chip.

As the improvement of technique scheme, a kind of broken bamboo cutter easy to use, is characterized in that: be combined into one side by side by two foregoing broken bamboo cuttves easy to use, two broken bamboo cuttves share a secondary handle of a knife, and handle of a knife is arranged on the steel ring outer wall of the broken bamboo cutter in outside; The width of the ring-type spacing that the corresponding cutter ring between two broken bamboo cuttves surrounds is different each other.Its stand out is equivalent to the width of bamboo wood.When the diameter that can avoid like this bamboo wood and certain cutter ring are just identical, cannot break the problem of bamboo.

As further illustrating of such scheme, described steel knife combination layer steel knife quantity difference to each other.Described cutter ring number is preferably 2 ~ 10, and correspondingly, described steel knife combination layer is 1 ~ 9 layer.Except outermost layer cutter ring, under described cutter ring, edge is equipped with blade.The width of the ring-type spacing that described cutter ring surrounds successively increases from inside to outside.

Scheme is known from the above mentioned, the utility model has the advantages that: carry out in broken bamboo and the technique of the internal segment that removes bamboo wood simultaneously, saved the technique of removing again bamboo internal segment after broken good bamboo chip.Cutter hub is demountable, and one can be equipped with the cutter hub of multiple different steel knife quantity knife rest, and in the time that bamboo footpath is different, the broken essentially identical bamboo chip of width only needs once knife rest being coordinated corresponding cutter hub can complete, and breaks bamboo cutter and do not change whole handle; The broken bamboo chip of institute is even, and broken bamboo efficiency is high.And cutter hub can remove polishing when edges dull, also conveniently changes when steel knife damages, need not be more whole broken whole handle bamboo cutter, saving resource, is conducive to environmental protection, also facilitates user collect and use simultaneously, greatly reduced user and purchased the cost of instrument.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model and useful technique effect thereof are further elaborated.

Fig. 1 is broken bamboo cutter plan structure schematic diagram of the present utility model.

The perspective view that Fig. 2 is Fig. 1.

Fig. 3 is the perspective exploded view of Fig. 2.

Fig. 4 is that two broken bamboo cuttves are as shown in Figure 1 combined into one plan structure schematic diagram side by side.

Description of symbols: 1, knife rest 2, cutter hub 3, steel knife 4, steel ring 5, handle of a knife 6, counterbore 7, elastic ball assembly 8, ring limit 9, Rhizoma Sparganii thorn 10, cutter ring 11, internal thread 12, external screw thread 13, elastic spring 14, spacing.

The specific embodiment

Referring to Fig. 1 ~ Fig. 3, as seen from the figure, broken bamboo cutter easy to use comprises knife rest 1 and the cutter hub 2 that is arranged at knife rest 1 inner side, and knife rest 1 comprises annular steel ring 4 and a secondary handle of a knife 5, and handle of a knife 5 is arranged on steel ring 4 outer walls; It is characterized in that: cutter hub 2 comprises the annular cutter ring 10 of several different-diameters and some steel knife 3, cutter ring 10 layerings and steel ring 4 arranged in co-axial alignment, the spacing 14 between cutter ring 10 is slightly larger than the thickness of bamboo wood; Steel knife 3 is equidistantly arranged in respectively between each cutter ring 10 with dispersion shape, and cutter ring 10 is joined together to form to some layers of steel knife combination layer, and the ring-type spacing 14 that cutter ring 10 is surrounded is divided into some segmental arcs that arc length equates substantially; Steel ring 4 inner sides are provided with internal thread 11, and the outer surface of outermost layer cutter ring 10 is provided with the external screw thread 12 coordinating with internal thread 11.

Wherein, steel knife combination layer steel knife quantity difference to each other.If the steel knife quantity of ground floor steel knife combination layer is 5, the steel knife quantity of second layer steel knife combination layer is 6, and the steel knife quantity of compound steel cutter combination layer is 7, and the steel knife quantity of the 4th layer of steel knife combination layer is 8 ... so analogize.Steel knife quantity decides according to actual needs.For example, consistent for the bamboo chip width breaking, steel knife combination layer from inside to outside, also can press such steel knife quantity: 5, and 6,8,10 ... Deng combination.Cutter ring 10 numbers are 2 ~ 10, and correspondingly, steel knife combination layer is 1 ~ 9 layer.For convenience of description, cutter ring 10 numbers shown in Fig. 1 are 7, and steel knife combination layer is 6 layers, and the steel knife quantity of steel knife combination layer is from inside to outside respectively: 5, and 6,7,8,9,10.What deserves to be explained is the quantity of steel knife 3, can arrange according to broken bamboo cane number, be generally 2 ~ 50, identical bamboo cane width, bamboo footpath is larger, and required steel knife 3 is also just more number.Except outermost layer cutter ring 10,10 times edges of cutter ring are equipped with blade.The width of the ring-type spacing 14 that cutter ring 10 surrounds successively increases from inside to outside.

Preferably, steel ring 4 tops are provided with the ring limit of projection to the inside.When stressed to cutter hub 2, carry out spacingly, stop cutter ring 10 relative steel ring 4 to move upward, protect screw thread to be without prejudice.Inner side, ring limit is provided with elastic spring 13.The cutter hub 2 that is subject to active force impact is played to cushioning effect.Steel ring 4 inner sides are provided with counterbore 6 near bottom position, and the outside of outermost layer cutter ring 10 is inlaid with elastic ball assembly 7 near the bottom position position corresponding with this counterbore 6.In the time that cutter ring 10 rotation is screwed in steel ring 4 to extreme position, when limit is withstood inside ring limit, elastic ball assembly 7 just falls into this counterbore 6, thus by the locking position of cutter hub 2 in knife rest 1.The center of innermost layer cutter ring 10 bottoms of cutter ring 10 is provided with Rhizoma Sparganii thorn 9.To when broken bamboo, puncture in advance bamboo internal segment, the resistance while reducing steel knife 3 broken ring.

As another embodiment of the present utility model, referring to Fig. 4, as seen from the figure, also can break bamboo when close with cutter ring 10 in order to adapt to bamboo footpath, broken bamboo cutter easy to use is combined into one side by side by two broken bamboo cuttves easy to use as above-mentioned embodiment, two broken bamboo cuttves share a secondary handle of a knife 5, and handle of a knife 5 is arranged on steel ring 4 outer walls of the broken bamboo cutter in outside; The width of the ring-type spacing 14 that the corresponding cutter ring 10 between two broken bamboo cuttves surrounds is different each other.The stand out of the ring-type spacing 14 that corresponding cutter ring 10 surrounds is equivalent to the width of bamboo wood.

Install brokenly after bamboo cutter, Rhizoma Sparganii thorn 9 is stretched in the bamboo wood cutting out, behind Dui Hao center, exerting pressure downwards can be by the disposable bamboo wood uniform bamboo cane of width of cuing open into.In the time that bamboo footpath is close with cutter ring 10, the corresponding bamboo wood that selects can fall into the knife unit in the ring-type spacing 14 that corresponding cutter ring 10 surrounds, and can break bamboo wood.

Book and specific embodiment do not form any restriction to the utility model according to the above description; the utility model is not limited to the specific embodiment disclosed and described above; to modifications more of the present utility model and distortion, also should fall in the protection domain of claim of the present utility model.

Claims

1. a broken bamboo cutter easy to use, comprises knife rest and the cutter hub that is arranged at knife rest inner side, and knife rest comprises annular steel ring and a secondary handle of a knife, and handle of a knife is arranged on steel ring outer wall; It is characterized in that: cutter hub comprises the annular cutter ring of several different-diameters and some steel knife, described cutter ring layering and steel ring arranged in co-axial alignment, the spacing between cutter ring is slightly larger than the thickness of bamboo wood; Steel knife is equidistantly arranged in respectively between each cutter ring with dispersion shape, and cutter ring is joined together to form to some layers of steel knife combination layer, and the ring-type spacing that cutter ring is surrounded is divided into some segmental arcs that arc length equates substantially; Described steel ring inner side is provided with internal thread, and the outer surface of outermost layer cutter ring is provided with the external screw thread with screw-internal thread fit.

2. broken bamboo cutter easy to use as claimed in claim 1, is characterized in that: described steel knife combination layer steel knife quantity difference to each other.

3. broken bamboo cutter easy to use as claimed in claim 2, is characterized in that: described cutter ring number is 2 ~ 10, and correspondingly, described steel knife combination layer is 1 ~ 9 layer.

4. broken bamboo cutter easy to use as claimed in claim 3, is characterized in that: except outermost layer cutter ring, under described cutter ring, edge is equipped with blade.

5. broken bamboo cutter easy to use as claimed in claim 1, is characterized in that: the width of the ring-type spacing that described cutter ring surrounds successively increases from inside to outside.

6. the broken bamboo cutter easy to use as described in claim 1 ~ 5 any one, is characterized in that: described steel ring top is provided with the ring limit of projection to the inside.

7. broken bamboo cutter easy to use as claimed in claim 6, is characterized in that: inner side, described ring limit is provided with elastic spring.

8. broken bamboo cutter easy to use as claimed in claim 7, is characterized in that: described steel ring inner side is provided with counterbore near bottom position, and the outside of outermost layer cutter ring is inlaid with elastic ball assembly near the bottom position position corresponding with this counterbore.

9. broken bamboo cutter easy to use as claimed in claim 8, is characterized in that: the center of the innermost layer cutter ring bottom of described cutter ring is provided with Rhizoma Sparganii thorn.

10. a broken bamboo cutter easy to use, is characterized in that: be combined into one side by side by two broken bamboo cuttves easy to use as claimed in claim 1, two broken bamboo cuttves share a secondary handle of a knife, and handle of a knife is arranged on the steel ring outer wall of the broken bamboo cutter in outside; The width of the ring-type spacing that the corresponding cutter ring between two broken bamboo cuttves surrounds is different each other.