WO2021197443A1 - 一种刀具 - Google Patents

一种刀具 Download PDF

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Publication number
WO2021197443A1
WO2021197443A1 PCT/CN2021/085007 CN2021085007W WO2021197443A1 WO 2021197443 A1 WO2021197443 A1 WO 2021197443A1 CN 2021085007 W CN2021085007 W CN 2021085007W WO 2021197443 A1 WO2021197443 A1 WO 2021197443A1
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WO
WIPO (PCT)
Prior art keywords
limit
lock
limiting
tool according
locking
Prior art date
Application number
PCT/CN2021/085007
Other languages
English (en)
French (fr)
Inventor
王伟毅
Original Assignee
杭州联和电气制造有限公司
杭州巨星科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 杭州联和电气制造有限公司, 杭州巨星科技股份有限公司 filed Critical 杭州联和电气制造有限公司
Priority to US17/790,512 priority Critical patent/US20230030750A1/en
Priority to CA3166851A priority patent/CA3166851A1/en
Publication of WO2021197443A1 publication Critical patent/WO2021197443A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C25/00—Processing fish ; Curing of fish; Stunning of fish by electric current; Investigating fish by optical means
    • A22C25/18—Cutting fish into portions
    • A22C25/185—Hand tools for cutting fish
    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C25/00—Processing fish ; Curing of fish; Stunning of fish by electric current; Investigating fish by optical means
    • A22C25/006—Hand tools for processing fish
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B5/00—Hand knives with one or more detachable blades
    • B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
    • B26B5/003—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use comprising retraction means for the blade or the blade holder

Definitions

  • the application belongs to the technical field of cutting tools, and relates to a cutting tool.
  • Common fish knife blades are not removable, and different fish knives are suitable for different fish sizes.
  • Large fish knives correspond to small fish. There are unsafe factors in the use process.
  • Small fish knives correspond to large fish. The size is not enough. The fish is struggling. If you want to deal with a variety of fish of different sizes, you need to prepare more fish knives, which is more inconvenient.
  • the present application proposes a knife in view of the problems existing in the prior art, with the purpose of overcoming the defect that the existing fish knife cannot be applied to fish of different sizes.
  • a tool includes a holding part and a cutting part.
  • the cutting part is movably arranged on the holding part.
  • the holding part is provided with a limiting structure.
  • the limiting structure includes a locking position and an unlocking position. When the limiting structure is in a locked position When in position, the cutting part is fixed on the holding part; when the limiting structure is in the unlocked position, the cutting part can be movably arranged relative to the holding part.
  • the holding part has an internal cavity, and one end of the cutting part is movably arranged in the internal cavity.
  • the cutting part has a plurality of limit ports arranged horizontally, and the limit structure cooperates with the limit ports to perform locking or unlocking operations.
  • the limiting structure includes a limiting piece fixed in the holding part, and the limiting piece has a buckle that can be embedded in the limiting opening; when the limiting structure is in the locked position, the buckle is embedded in the limiting opening; When in the unlocked position, the buckle is separated from the limit port.
  • the limiting structure further includes a lock buckle movably arranged on the holding part.
  • the lock buckle has a fixed position and a retreat position. When the lock buckle is in the fixed position, the lock buckle can fix the buckle in the limit opening. When the lock buckle is in the avoiding position, the buckle can escape from the limit port.
  • the limiting piece is an elastic piece, and when the limiting structure is in the unlocked position, the buckle is released from the limiting opening under the action of the elastic force of the limiting piece.
  • a sliding groove is provided in the holding part, and the cutting part extends into the sliding groove and slides in the sliding groove when the limiting structure is in the unlocked position.
  • a knife holder is arranged in the grip part, and the sliding groove is arranged on the knife holder.
  • the limit piece is arranged on the tool holder.
  • the cutter further includes a blocking structure, which can limit the maximum stroke of the cutting part relative to the gripping part.
  • the tail of the cutting part has a limiting hook
  • the holding part or the blade holder has a blocking part.
  • the limiting structure includes a locking element, the locking element is inserted in the holding part, the locking element is movable relative to the holding part, the locking element has an operating end, the operating end is located outside the holding part, and the locking element has The locking part is arranged corresponding to the limit opening.
  • the locking part is staggered from the limit opening; when the limit structure is in the unlock position, the locking part is embedded in the limit opening.
  • the limiting structure includes a button protruding from the gripping portion, and a lock lever penetrating into the gripping portion is provided on the button, and a locking block is provided on the locking lever; when the limiting structure is in the locked position, the locking block and the limiting position The opening is staggered; when the limit structure is in the unlocked position, the lock block is embedded in the limit opening.
  • an elastic member is arranged between the lock rod and the grip portion, and the elastic force provided by the elastic member for the lock rod makes the lock block embedded in the limit opening.
  • the limit opening is a limit slot with an opening.
  • the limiting structure includes a lock hinged on the holding part, and one end of the lock has a lock hook.
  • the lock hook When the limiting structure is in the locked position, the lock hook is separated from the limiting groove; when the limiting structure is in the unlocked position , The lock hook is embedded in the limit slot.
  • an elastic member is arranged between the lock member and the holding part, and the elastic member provides elastic force for the lock member to enable the lock hook to be inserted into the limiting groove.
  • the elastic member is located at an end of the lock member away from the lock hook.
  • the limiting groove is a plurality of tooth grooves formed in a tooth shape.
  • the lock hook is a lock tooth matching the tooth groove.
  • the holding part includes a handle
  • the cutting part includes a blade
  • the handle includes a first housing and a second housing that are detachably connected, and the blade is clamped between the first housing and the second housing.
  • the knife provided by the present application can adjust the protruding length of the blade, can adapt to fish of different sizes, and improve the application range of the knife.
  • Figure 1 is a schematic diagram of the structure of the tool in the first embodiment
  • Fig. 2 is a schematic diagram of a first cross-sectional structure of the cutter in the first embodiment
  • Figure 3 is a schematic sectional view of the structure of the first embodiment when the tool is locked
  • Figure 4 is a schematic cross-sectional view of the structure when the tool is unlocked in the first embodiment
  • Figure 5 is a schematic diagram of a second cross-sectional structure of the tool in the first embodiment
  • Fig. 6 is a schematic diagram of the structure of the limiting piece in the tool in the first embodiment
  • Fig. 7 is a schematic cross-sectional structure diagram of the knife with the function of preventing the blade from coming off in the first embodiment
  • FIG. 8 is a schematic diagram of the blade structure of the knife with the function of preventing the blade from falling off in the first embodiment
  • Figure 9 is a schematic diagram of the structure of the tool in the second embodiment.
  • Figure 10 is a cross-sectional view taken along the line A-A of Figure 9;
  • Figure 11 is a schematic diagram of the structure of the tool in the third embodiment.
  • Figure 12 is a schematic diagram of the structure of the cutter in the fourth embodiment.
  • This embodiment provides a knife, which can be used as a fish knife for cutting fish. It specifically includes a cutting part and a holding part.
  • the cutting part is movably arranged on the holding part.
  • the holding part is provided with a limiting structure.
  • the limiting structure includes a locked position and an unlocked position. When the limiting structure is in the locked position , The cutting part is fixed on the holding part; when the limiting structure is in the unlocked position, the cutting part can move relative to the holding part. In this way, the position of the cutting part relative to the holding part can be adjusted. As shown in FIGS.
  • the holding part includes a handle 100
  • the cutting part includes a blade 200
  • the handle 100 includes a first housing 110 and a second housing 120 that are detachably connected, and the blade 200 is clamped in the first housing 110.
  • Between the blade 200 and the second housing 120 there are a plurality of limit openings 210 arranged horizontally on the blade 200, and the plurality of limit openings 210 refer to two or more than two, such as five.
  • the limiting opening 210 may be a groove-shaped structure or a hole-shaped structure.
  • the hole-shaped structure adopted in this embodiment is to provide a plurality of holes in the middle of the blade 200 as the limiting opening 210.
  • the handle 100 is provided with a limit structure corresponding to the limit port 210, and the limit structure includes a locked position and an unlocked position; when the limit structure is in the locked position, the blade 200 is fixed on the handle 100; when the limit structure is in the locked position, the blade 200 is fixed on the handle 100; When the position is unlocked, the blade 200 can move back and forth relative to the handle 100.
  • the limiting structure includes a limiting piece 310 fixed in the handle 100 and a lock buckle 320 movably arranged on the handle 100.
  • the limiting piece 310 has a buckle 311 that can be inserted into the limiting port 210, and the lock buckle 320 can be rotated relative to the handle 100, or can be moved relative to the handle 100, as long as the buckle 311 can be fixed and avoided.
  • the lock buckle 320 is rotatably arranged on the handle 100; When in the locked position, the lock 320 is pressed against the limiting piece 310 so that the buckle 311 is embedded in the limiting opening 210; when the limiting structure is in the unlocked position, the distance between the lock 320 and the blade 200 is greater than or equal to the limiting piece 310 plus The thickness of the buckle 311. Rotating the lock buckle 320 can realize the switching of the limit structure between the locked position and the unlocked position. When the lock buckle 320 is turned to the position of FIG.
  • the locking surface 321 of the lock buckle 320 abuts against the limiting piece 310, so that the buckle 311 on the limiting piece 310 is embedded in the limiting opening 210, and the blade 200 is in the buckle 311
  • the lock buckle 320 is turned to the position of FIG.
  • the unlocking surface 322 of the lock buckle 320 faces the limiting piece 310, because the unlocking surface 322 is to the blade
  • the distance 200 is greater than or equal to the thickness of the limiting piece 310 plus the buckle 311, the buckle 311 can move in the direction of the lock 320 and leave the limiting opening 210, there may be a gap between the unlocking surface 322 and the limiting piece 310, or
  • the limiting structure is in the unlocked position at this time, and the blade 200 can move back and forth relative to the handle 100 to adjust the extension length.
  • the locking buckle 320 is operated to return the limiting structure to the locked state as shown in FIG. 3.
  • the limit piece 310 is an elastic piece. When the limit structure is in the unlocked position, the buckle 311 is released from the limit opening 210 under the elastic force of the limit piece 310, which can improve the smoothness of the blade 200 during the forward and backward movement and reduce the jam Astringent phenomenon.
  • the buckle 311 is arranged in an arc shape. When the limit structure is in the unlocked position, even if the limit piece 310 is not elastic, the buckle 311 can be released from the limit position by pushing and pulling the blade 200. ⁇ 210.
  • a sliding groove 330 may be provided in the handle 100 to extend the blade 200 into the sliding groove 330, and the blade 200 can slide in the sliding groove 330 when the limiting structure is in the unlocked position.
  • the blade 200 can be guided by setting the sliding groove 330.
  • the sliding groove 330 may be provided on the first housing 110 or the second housing 120, or both the first housing 110 and the second housing 120 may be provided with the sliding groove 330.
  • a knife holder 300 is provided in the handle 100.
  • the knife holder 300 has a sliding groove 330.
  • the blade 200 extends into the sliding groove 330 and slides in the sliding groove 330 when the limit structure is in the unlocked position.
  • the limit piece 310 is located on the tool holder 300.
  • the tool holder 300 may be a one-piece structure or a split structure composed of two rack bodies. When the tool holder 300 has a split structure, the gap between the two holders forms the sliding groove 330, and the limiting piece 310 is located on one of the holders.
  • the cutter further includes a blocking structure, and the maximum stroke of the blade 200 relative to the handle 100 is restricted by the blocking structure, and the blade 200 is prevented from falling out of the handle 100.
  • the blocking structure may include a first protrusion and a second protrusion. The first protrusion is disposed at the end of the blade 200, and the second protrusion is correspondingly disposed in the handle 100 and is disposed close to the port of the handle 100. When the blade 200 extends to the maximum displacement, the first protrusion and the second protrusion cooperate to limit the position to restrict the blade 200 from continuing to extend.
  • the tail of the blade 200 has a limiting hook 220
  • the handle 100 has a blocking portion 130.
  • the limiting hook 220 abuts on the blocking portion 130, which can The blade 200 is prevented from disengaging from the handle 100.
  • the blocking portion 130 may also be located on the tool holder 300.
  • the limiting structure includes a locking member, the locking member is inserted in the handle 100, the locking member is movable relative to the handle 100, the locking member has an operating end, the operating end is located on the outside of the handle 100, and the locking member has a locking portion,
  • the locking part is arranged corresponding to the limit opening. When the limit structure is in the locked position, the locking part is staggered from the limit opening 210; when the limit structure is in the unlocked position, the locking part is embedded in the limit opening 210.
  • the limiting structure includes a button 410 protruding from the handle 100, and a lock rod 420 that penetrates the handle 100 is provided on the button 410, and the lock rod 420 has a lock block 430;
  • the lock block 430 is staggered from the limit port 210;
  • the lock block 430 is embedded in the limit port 210.
  • An elastic member 140 is provided between the lock rod 420 and the handle 100. The elastic force provided by the elastic member 140 to the lock rod 420 makes the lock block 430 fit into the limit opening 210.
  • the elastic member 140 is a spring.
  • the lock rod 420 moves against the elastic force of the elastic member 140 to drive the lock block 430 to move away from the limit opening 210.
  • the limit structure is in the unlocked position, and the blade 200 can move back and forth relative to the handle 100.
  • the lock rod 420 moves under the elastic force of the elastic member 140 to drive the lock block 430 to be embedded in the limit opening 210.
  • the limit structure is in the locked position, and the lock block 430 faces the blade 200 in the limit opening 210. Forming a constraint, the blade 200 cannot move back and forth.
  • the limit opening 210 is a limit slot 211 with an opening.
  • the structure includes a lock 510 hinged on the handle 100.
  • One end of the lock 510 has a lock hook 511.
  • the locking hook 511 is separated from the limiting groove 211; when the limiting structure is in the unlocked position , The lock hook 511 is embedded in the limiting slot 211.
  • an elastic member 140 is provided between the lock member 510 and the handle 100.
  • the elastic member 140 provides elastic force for the lock member 510 so that the lock hook 511 is inserted into the limiting groove 211, and the lock member 510 can be pressed or lifted.
  • the lock hook 511 is separated from the limiting groove 211.
  • the elastic member 140 is an elastic piece.
  • the lock 510 may be partially exposed on the handle 100 for operation.
  • the rear section of the hinged joint between the lock 510 and the handle 100 is exposed on the handle 100.
  • the lock 510 overcomes the elastic member 140 to swing so as to have a lock hook 511.
  • One end is upturned, and the lock hook 511 is out of the limit slot 211.
  • the limit structure is in the unlocked position, and the blade 200 can move forward and backward.
  • the lock hook 511 is inserted into the limit slot 211 under the elastic force of the elastic member 140.
  • the bit structure is in the locked position.
  • the lock 510 may also be provided on the side of the handle 100, and the limiting port 210 may still be a hole-like structure.
  • the limiting port is a limiting slot
  • the limiting slot forms a tooth slot 212 in a tooth shape
  • a plurality of tooth slots 212 are continuously distributed
  • adjacent tooth slots 212 are separated by a size of a tooth slot 212.
  • the locking hook 511 is a locking tooth 512 matching the tooth groove 212
  • the locking member 510 has two locking teeth 512 corresponding to two adjacent tooth grooves 212, so that the locking is more stable.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Processing Of Meat And Fish (AREA)

Abstract

一种刀具，属于刀具技术领域，目的在于克服现有鱼刀不能适用尺寸不同的鱼的缺陷。刀具包括手柄（100）和刀片（200），手柄（100）包括可拆卸连接的第一壳体和第二壳体，刀片（200）夹持在第一壳体（110）和第二壳体（120）之间，刀片（200）上具有横向排列的多个限位口（210），手柄（100）上设有和限位口（210）对应的限位结构，限位结构包括锁止位和解锁位；当限位结构处于锁止位时，刀片（200）固定在手柄（100）上；当限位结构处于解锁位时，刀片（200）能够相对手柄（100）前后移动。本刀具能够调整刀片的伸出长度，可以适应不同大小的鱼，提升了刀具的适用范围。

Description

一种刀具
本申请要求于2020年4月1日提交至中国国家知识产权局、申请号为202020461928.0、发明名称为“一种伸缩刀具”的专利申请的优先权。
技术领域
本申请属于刀具技术领域，涉及一种刀具。
背景技术
常见鱼刀刀片为不可拆卸，且不同鱼刀适用于不同鱼的尺寸，大尺寸鱼刀对应小的鱼在使用过程中存在不安全的因素，小尺寸鱼刀对应大尺寸鱼，尺寸不够，剖鱼费劲。如果要应对多种尺寸不同的鱼，就需要准备较多的鱼刀，较为不便。
发明内容
本申请针对现有技术存在的问题提出一种刀具，目的在于克服现有鱼刀不能适用尺寸不同的鱼的缺陷。
本申请是这样实现的：
一种刀具，包括握持部和切割部，切割部可移动地设置在握持部上，握持部上设置有限位结构，限位结构包括锁止位和解锁位，当限位结构处于锁止位时，切割部固定在握持部上；当限位结构处于解锁位时，切割部能够相对握持部可活动设置。
进一步地，握持部具有内部空腔，切割部的一端可活动地设置在内部空腔内。
进一步地，切割部上具有横向排列的多个限位口，限位结构与限位口配合进行锁止或解锁操作。
进一步地，限位结构包括固定在握持部内的限位片，限位片上具有能够嵌入限位口的卡扣；当限位结构处于锁止位时，卡扣嵌入限位口内；当限位结构处于解锁位时，卡扣与限位口分离。
进一步地，限位结构还包括可活动地设置在握持部上的锁扣，锁扣具有固定位和避让位，当锁扣处于固定位时，锁扣能够将卡扣固定在限位口内，当锁扣处于避让位时，卡扣能够从限位口内脱出。
进一步地，限位片为弹性片，当限位结构处于解锁位时，卡扣在限位片的弹力作用下脱离限位口。
进一步地，握持部内设置有滑槽，切割部伸入滑槽并在限位结构处于解锁位时在滑槽中滑动。
进一步地，握持部内设置刀架，滑槽设置在刀架上。
进一步地，限位片设置在刀架上。
进一步地，刀具还包括阻挡结构，阻挡结构能够限制切割部相对握持部的最大行程。
进一步地，切割部的尾部具有限位钩，握持部或刀架上具有阻挡部，当切割部伸出握持部最长时，限位钩抵在阻挡部上。
进一步地，限位结构包括锁止件，锁止件穿设在握持部内，锁止件可相对握持部活动，锁止件具有操作端，操作端位于握持部的外侧，锁止件具有锁定部，锁定部对应限位口设置，当限位结构处于锁止位时，锁定部与限位口错开；当限位结构处于解锁位时，锁定部嵌入限位口。
进一步地，限位结构包括凸出于握持部的按钮，按钮上设置穿入握持部的锁杆，锁杆上具有锁块；当限位结构处于锁止位时，锁块与限位口错开；当限位结构处于解锁位时，锁块嵌入限位口。
进一步地，锁杆和握持部之间设置弹性件，弹性件为锁杆提供的弹力使得锁块嵌入限位口。
进一步地，限位口为具有开口的限位槽。
进一步地，限位结构包括铰接在握持部上的锁件，锁件的一端具有锁钩，当限位结构处于锁止位时，锁钩与限位槽脱离；当限位结构处于解锁位时，锁钩嵌入限位槽。
进一步地，锁件和握持部之间设置弹性件，弹性件为锁件提供的弹力以使锁钩嵌入限位槽。
进一步地，弹性件位于锁件的远离锁钩的一端。
进一步地，限位槽呈齿状形成的多个齿槽。
进一步地，锁钩为和齿槽匹配的锁齿。
进一步地，握持部包括手柄，切割部包括刀片，手柄包括可拆卸连接的第一壳体和第二壳体，刀片夹持在第一壳体和第二壳体之间。
本申请所提供的一种刀具,能够调整刀片的伸出长度，可以适应不同大小的鱼，提升了刀具的适用范围。
附图说明
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为实施例一刀具的结构示意图；
图2为实施例一刀具的第一剖视结构示意图；
图3为实施例一刀具锁止时剖视结构示意图；
图4为实施例一刀具解锁时剖视结构示意图；
图5为实施例一刀具的第二剖视结构示意图；
图6为实施例一刀具中限位片的结构示意图；
图7为实施例一中具有刀片防脱功能刀具的剖视结构示意图；
图8为实施例一中具有刀片防脱功能刀具的刀片结构示意图；
图9为实施例二刀具的结构示意图；
图10为图9的A-A向剖视图；
图11为实施例三刀具的结构示意图；
图12为实施例四刀具的结构示意图。
附图标注说明：100、手柄；110、第一壳体；120、第二壳体；130、阻挡部；140、弹性件；200、刀片；210、限位口；211、限位槽；212、齿槽；220、限位钩；300、刀架；310、限位片；311、卡扣；320、锁扣；321、锁止面；322、解锁面；330、滑槽；410、按钮；420、锁杆；430、锁块；510、锁件；511、锁钩；512、锁齿。
具体实施方式
以下便结合实施例附图，对本申请的具体实施方式作进一步的详述，以使本申请技术方案更易于理解、掌握。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
实施例一
本实施例提供了一种刀具，可以作为鱼刀用于剖鱼。其具体包括切割部和握持部，切割部可移动地设置在握持部上，握持部上设置有限位结构，限位结构包括锁止位和解锁位，当限位结构处于锁止位时，切割部固定在握持部上；当限位结构处于解锁位时，切割部能够相对握持部移动。如此能够调整切割部相对握持部的位置。如图1-6所示，握持部包括手柄100，切割部包括刀片200，手柄100包括可拆卸连接的第一壳体110和第二壳体120，刀片200夹持在第一壳体110和第二壳体120之间，刀片200上具有横向排列的多个限位口210，多个限 位口210是指两个或两个以上，例如五个。限位口210可以是槽型结构，也可以是孔状结构，本实施例采用的孔状结构，即在刀片200的中部位置开设多个孔作为限位口210。手柄100上设有和限位口210对应的限位结构，限位结构包括锁止位和解锁位；当限位结构处于锁止位时，刀片200固定在手柄100上；当限位结构处于解锁位时，刀片200能够相对手柄100前后移动。
具体来说，限位结构包括固定在手柄100内的限位片310以及可活动设置在手柄100上的锁扣320，限位片310上具有能够嵌入限位口210的卡扣311，锁扣320可相对手柄100转动，也可相对手柄100移动设置，只要能够对卡扣311进行固定和避让即可，在本实施例中，锁扣320可转动地设置在手柄100上；当限位结构处于锁止位时，锁扣320紧抵限位片310使卡扣311嵌入限位口210；当限位结构处于解锁位时，锁扣320到刀片200的距离大于或等于限位片310加卡扣311的厚度。转动锁扣320便可实现限位结构在锁止位和解锁位的切换。当锁扣320转至图3位置时，锁扣320的锁止面321紧抵限位片310，使得限位片310上的卡扣311嵌入到限位口210内，刀片200在卡扣311的限位下不能前后移动实现锁止，即限位结构处于锁止位；当锁扣320转至图4位置时，锁扣320的解锁面322朝向限位片310，由于解锁面322到刀片200的距离大于或等于限位片310加卡扣311的厚度，卡扣311可以向锁扣320方向移动并脱离限位口210，解锁面322和限位片310之间可以存在间隙，也可以相互贴合，此时限位结构即处于解锁位，刀片200能够相对手柄100前后移动以调节伸出长度。当调节到位后，通过操作锁扣320使得限位结构回到如图3的锁止状态。
限位片310为弹性片，当限位结构处于解锁位时，卡扣311在限位片310的弹力作用下脱离限位口210，这样能够提高刀片200前后移动过程中的顺畅性，减少卡涩现象。在其他可选的实施例中，将卡扣311设置成弧面状，当限位结构处于解锁位时，即使限位片310不具有弹性，通过推拉刀片200也可以使得卡扣311脱离限位口210。
其中，手柄100内可设置滑槽330，将刀片200伸入滑槽330内，刀片200可以在限位结构处于解锁位时在滑槽330中滑动。通过设置滑槽330可以对刀片200进行导向。具体的，滑槽330可以设置在第一壳体110上，也可设置在第二壳体120，也可在第一壳体110和第二壳体120上均设置滑槽330。
如图2-5所示，手柄100内设置刀架300，刀架300具有滑槽330，刀片200伸入滑槽330并在限位结构处于解锁位时在滑槽330中滑动，限位片310位于刀架300上。刀架300可以是一体结构，也可以是由两片架体构成的分体结构。当刀架300为分体结构时，两片架体之间的间隙形成所述滑槽330，限位片310位于其中一片架体上。
其中，刀具还包括阻挡结构，通过阻挡结构限制刀片200相对手柄100的最大行程，防止刀片200从手柄100上脱出。具体的，阻挡结构可以包括第一凸起部和第二凸起部，第一凸起部设置在刀片200的末端，第二凸起部对应设置在手柄100内，且靠近手柄100的端口设置，当刀片200伸出至最大位移处时，第一凸起部与第二凸起部配合限位，以限制刀片200继续伸出。
如图7-8所示，刀片200的尾部具有限位钩220，手柄100上具有阻挡部130，当刀片200伸出手柄100最长时，限位钩220抵在阻挡部130上，这样能够防止刀片200脱离手柄100。在其他可选的实施例中，阻挡部130也可以位于刀架300上。
实施例二
本实施例与实施例一的不同之处主要在于限位结构。
该限位结构包括锁止件，锁止件穿设在手柄100内，锁止件可相对手柄100活动，锁止件具有操作端，操作端位于手柄100的外侧，锁止件具有锁定部，锁定部对应限位口设置，当限位结构处于锁止位时，锁定部与限位口210错开；当限位结构处于解锁位时，锁定部嵌入限位口210。
在本实施例中，如图9-10所示，限位结构包括凸出于手柄100的按钮410，按钮410上设置穿入手柄100的锁杆420，锁杆420上具有锁块430；当限位结构处于锁止位时，锁块430与限位口210错开；当限位结构处于解锁位时，锁块430嵌入限位口210。锁杆420和手柄100之间设置弹性件140，弹性件140为锁杆420提供的弹力使得锁块430嵌入限位口210。其中弹性件140为弹簧。
按压按钮410，锁杆420克服弹性件140的弹力移动，从而带动锁块430移动脱离限位口210，此时限位结构处于解锁位，刀片200能够相对手柄100前后移动。释放按钮410，锁杆420在弹性件140的弹力作用下移动，带动锁块430嵌入到限位口210内，此时限位结构处于锁止位，锁块430在限位口210中对刀片200形成约束，刀片200不能前后移动。
本实施例的其他结构和效果与实施例一一致，此处不再赘述。
实施例三
本实施例与实施例一的不同之处主要在于限位结构。
具体来说，如图11所示，限位口210为具有开口的限位槽211，在本实施例中，限位槽211的开口朝上设置，限位槽211设置有四个，限位结构包括铰接在手柄100上的锁件510，锁件510的一端具有锁钩511，当限位结构处于锁止位时，锁钩511与限位槽211脱离；当限位结构处于解锁位时，锁钩511嵌入限位槽211。
其中，为了提高锁紧效果，在锁件510和手柄100之间设置有弹性件140，弹性件140为锁件510提供的弹力使锁钩511嵌入限位槽211，按压或提拉锁件510能够使得锁钩511脱离限位槽211。其中弹性件140为弹片。
锁件510可以部分外露于手柄100用于操作，例如锁件510与手柄100的铰接处的后段外露于手柄100，按压该后段，锁件510克服弹性件140摆动使得具有锁钩511的一端上翘，锁钩511脱离限位槽211，此时限位结构处于解锁位，刀片200能够前后移动；释放后，在弹性件140的弹力作用下，锁钩511嵌入限位槽211，此时限位结构处于锁止位。
在其他可选的实施例中，锁件510也可以设置在手柄100的侧部，限位口210依然可以是孔状结构。
本实施例其他结构和效果和实施例一一致，此处不再赘述。
实施例四
本实施例和实施例三的不同之处在于限位口210和锁钩511的结构。
具体来说，如图12所示，限位口为限位槽，限位槽呈齿状形成齿槽212，多个齿槽212连续分布，相邻的齿槽212间隔一个齿槽212大小。这样刀片200的伸缩可以实现微调，可以更好的适应大小不同的鱼。锁钩511为和齿槽212匹配的锁齿512，锁件510上具有两个锁齿512对应相邻的两个齿槽212，这样锁止更加稳定。
本实施例的其他结构和效果和实施例三一致，此处不再赘述。

Claims (21)

  1. 一种刀具，包括握持部和切割部，其特征在于，所述切割部可移动地设置在握持部上，所述握持部上设置有限位结构，所述限位结构包括锁止位和解锁位，当所述限位结构处于锁止位时，所述切割部固定在所述握持部上；当限位结构处于解锁位时，所述切割部能够相对所述握持部可活动设置。
  2. 根据权利要求1所述的一种刀具，其特征在于，所述握持部具有内部空腔，所述切割部的一端可活动地设置在所述内部空腔内。
  3. 根据权利要求1所述的一种刀具，其特征在于，所述切割部上具有横向排列的多个限位口(210)，所述限位结构与所述限位口(210)配合进行锁止或解锁操作。
  4. 根据权利要求3所述的一种刀具，其特征在于，所述限位结构包括固定在握持部内的限位片(310)，所述限位片(310)上具有能够嵌入所述限位口(210)的卡扣(311)；当所述限位结构处于锁止位时，所述卡扣(311)嵌入所述限位口(210)内；当所述限位结构处于解锁位时，所述卡扣(311)与所述限位口分离。
  5. 根据权利要求4所述的一种刀具，其特征在于，所述限位结构还包括可活动地设置在所述握持部上的锁扣(320)，所述锁扣(320)具有固定位和避让位，当所述锁扣(320)处于所述固定位时，所述锁扣(320)能够将所述卡扣(311)固定在所述限位口(210)内，当所述锁扣(320)处于所述避让位时，所述卡扣(311)能够从所述限位口(210)内脱出。
  6. 根据权利要求5所述的一种刀具，其特征在于，所述限位片(310)为弹性片，当所述限位结构处于解锁位时，所述卡扣(311)在限位片(310)的弹力作用下脱离所述限位口(210)。
  7. 根据权利要求4所述的一种刀具，其特征在于，所述握持部内设置有滑槽(330)，所述切割部伸入所述滑槽(330)并在所述限位结构处于解锁位时在滑槽(330)中滑动。
  8. 根据权利要求7所述的一种刀具，其特征在于，所述握持部内设置刀架(300)，所述滑槽(330)设置在所述刀架(300)上。
  9. 根据权利要求8所述的一种刀具，其特征在于，所述限位片(310)设置在所述刀架(300)上。
  10. 根据权利要求1所述的一种刀具，其特征在于，所述刀具还包括阻挡结构，所述阻挡结构能够限制所述切割部相对所述握持部的最大行程。
  11. 根据权利要求8所述的一种刀具，其特征在于，所述切割部的尾部具有限位钩(220)，所述握持部或所述刀架(300)上具有阻挡部(130)，当所述切割部伸出握持部最长时，所述限位钩(220)抵在所述阻挡部(130)上。
  12. 根据权利要求3所述的一种刀具，其特征在于，所述限位结构包括锁止件，所述锁止件穿设在所述握持部内，所述锁止件可相对所述握持部活动，所述锁止件具有操作端，所述操作端位于所述握持部的外侧，所述锁止件具有锁定部，所述锁定部对应所述限位口 设置，当所述限位结构处于锁止位时，所述锁定部与所述限位口(210)错开；当所述限位结构处于解锁位时，所述锁定部嵌入所述限位口(210)。
  13. 根据权利要求3所述的一种刀具，其特征在于，所述限位结构包括凸出于所述握持部的按钮(410)，所述按钮(410)上设置穿入所述握持部的锁杆(420)，所述锁杆(420)上具有锁块(430)；当所述限位结构处于锁止位时，所述锁块(430)与所述限位口(210)错开；当所述限位结构处于解锁位时，所述锁块(430)嵌入所述限位口(210)。
  14. 根据权利要求13所述的一种刀具，其特征在于，所述锁杆(420)和所述握持部之间设置弹性件(140)，所述弹性件(140)为所述锁杆(420)提供的弹力使得所述锁块(430)嵌入所述限位口(210)。
  15. 根据权利要求3所述的一种刀具，其特征在于，所述限位口(210)为具有开口的限位槽(211)。
  16. 根据权利要求15所述的一种刀具，其特征在于，所述限位结构包括铰接在所述握持部上的锁件(510)，所述锁件(510)的一端具有锁钩(511)，当所述限位结构处于锁止位时，所述锁钩(511)与所述限位槽(211)脱离；当所述限位结构处于解锁位时，所述锁钩(511)嵌入所述限位槽(211)。
  17. 根据权利要求16所述的一种刀具，其特征在于，所述锁件(510)和所述握持部之间设置弹性件(140)，所述弹性件(140)为所述锁件(510)提供的弹力以使锁钩(511)嵌入限位槽(211)。
  18. 根据权利要求17所述的一种刀具，其特征在于，所述弹性件(140)位于所述锁件(510)的远离所述锁钩(511)的一端。
  19. 根据权利要求16所述的一种刀具，其特征在于，所述限位槽(211)呈齿状形成的多个齿槽(212)。
  20. 根据权利要求19所述的一种刀具，其特征在于，所述锁钩(511)为和所述齿槽(212)匹配的锁齿(512)。
  21. 根据权利要求1所述的一种刀具，其特征在于，所述握持部包括手柄(100)，所述切割部包括刀片(200)，所述手柄(100)包括可拆卸连接的第一壳体(110)和第二壳体(120)，所述刀片(200)夹持在所述第一壳体(110)和第二壳体(120)之间。
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CN109434879A (zh) * 2018-11-27 2019-03-08 宁波宏迪尺业有限公司 一种带止锁结构的实用刀
CN210025369U (zh) * 2019-03-21 2020-02-07 浙江金石家居用品有限公司 一种多功能餐刀
CN210100063U (zh) * 2019-04-25 2020-02-21 无锡乾泰新材料科技有限公司 一种具有弹性握把的刀具
CN110919703A (zh) * 2019-12-11 2020-03-27 得力集团有限公司 美工刀

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US20230030750A1 (en) 2023-02-02

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