CN110877436A - 手持工具和用于该手持工具的制造方法 - Google Patents
手持工具和用于该手持工具的制造方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
- B29C45/14491—Injecting material between coaxial articles, e.g. between a core and an outside sleeve for making a roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
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- B25F1/00—Combination or multi-purpose hand tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G3/00—Attaching handles to the implements
- B25G3/34—Attaching handles to the implements by pressing the handle on the implements; using cement or molten metal, e.g. casting, moulding, by welding or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14418—Sealing means between mould and article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14426—Coating the end of wire-like or rod-like or cable-like or blade-like or belt-like articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B23/00—Axes; Hatchets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
- B29K2711/14—Wood, e.g. woodboard or fibreboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/28—Tools, e.g. cutlery
- B29L2031/283—Hand tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/46—Knobs or handles, push-buttons, grips
- B29L2031/463—Grips, handles
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Abstract
本发明涉及一种手持工具,其包括由第一材料制成的工具构件(1)、由第二材料制成的细长轴(2)和由含塑料的第三材料制成的连接构件(3)。细长轴还包括在第一端(2‑1)中的手柄部分(4)和在第二端(2‑2)中的插入部分(5)。手持工具还包括密封环(6),其布置成围绕插入部分(5)以防止在制造期间第三材料的泄漏。还提出了一种用于这种手持工具的制造方法,所述方法包括围绕插入部分(5)布置密封环(6),将插入部分(5)和工具构件(1)布置在模具中,将含塑料的材料注射在腔体空间(9)中以形成连接构件(3),并从模具中取出手持工具。
Description
技术领域
本发明涉及一种手持工具和用于所述手持工具的制造方法。
背景技术
现有技术中已知一种带有手柄的手持工具,该手柄包含塑料材料。然而,对于使用者而言,含天然材料的手柄使用起来更舒适。与由天然材料制成的手柄相关的问题之一是如何以可靠的方式将工具构件紧固到手柄。
发明内容
因此,本发明的目的是提供一种手持工具和一种用于手持工具的制造方法,从而克服至少一些上述问题。本发明的目的通过特征在于独立权利要求中所述内容的手持工具和用于该手持工具的制造方法来实现。在从属权利要求中公开了本发明的优选实施方案。
附图说明
在下文中,将参照附图并借助优选实施方案来详细描述本发明,在附图中
图1为手持工具的第一实施方案的概述图;
图2为示出手持工具的细长轴的插入部分的图;
图3为手持工具的制造方法的框图;
图4为示出工具构件、细长轴和密封环在模具中的布置的一个实例的图;以及
图5为细长轴和密封环在模具中的布置的一个实例的放大图。
具体实施方式
图1为手持工具的第一实施方案的概述图。图1的手持工具包括由第一材料制成的工具构件1、由第二材料制成的细长轴2和由含塑料的第三材料制成的连接构件3。细长轴2还包括在第一端2-1中的手柄部分4和在第二端2-2中的插入部分5。连接构件3布置在工具构件1和细长轴2之间,用于将由第二材料制成的插入部分5容纳在连接构件3的第一凹部13中并将工具构件1和细长轴2连接起来。
所述手持工具还包括密封环6。密封环6布置成围绕插入部分5,使得密封环6接触插入部分5和连接构件3的第三材料,以防止在制造过程中第三材料通过密封环6泄漏到细长轴2的材料上。此外,插入部分5和连接构件3将密封环6固定到手持工具上。密封环6可由例如金属或塑料制成。
连接构件3有利地将工具构件1的一部分容纳在连接构件3的第二凹部14中。或者,连接构件3的第一凹部13和第二凹部14可以是相同的凹部,并且细长轴2的插入部分5和工具构件1容纳在所述凹部的不同端中。换言之,连接构件3可例如是中空的,并且连接构件3在中空部分的不同端处接收工具构件1和细长轴2。此外,连接构件3可包括在密封环6附近的凹部12。
优选地,细长轴2由天然材料制成,例如山核桃木、灰分、软木或桦木,并且陶瓷材料也是可行的。细长轴2也可由其他材料制成,例如胶合板、钢、塑料、具有软抓地力的塑料或复合材料。此外,在图1中,手持工具被示为例如斧头。然而,手持工具可以是由手工操作并且包括工具构件和手柄的任何手持工具,例如菜刀、叉子、锤子、刷钩或修剪器。工具构件的第一材料可以是金属,例如钢。
图2为示出了可在图1的实施方案中使用的手持工具的细长轴2的插入部分5的图。细长轴2的插入部分5包括用于密封环6的台阶7,使得细长轴2在密封环6的位置处的截面面积小于十分靠近密封环6的细长轴2的手柄部分4的截面面积。优选地,细长轴2的插入部分5设置有锁定几何形状,其可为例如至少一个凹槽8,用于增强连接构件3和细长轴2之间的机械锁定。在图2中,插入部分5设置有若干个这样的凹槽。此外,细长轴2的插入部分5可设置有至少一个截面形状与其余插入部分不同的截面。例如,一个部分可具有矩形截面,而其余的插入部分具有椭圆形截面。
图3为用于手持工具的制造方法的框图,其可用于制造图1和图2的手持工具。所述方法包括(A)在细长轴2的第二端2-2,围绕插入部分5布置密封环6,以及(B)将细长轴2的插入部分5和工具构件1布置在模具中,使得密封环6接触模具和插入部分5以封闭由密封环6、细长轴2的插入部分5、工具构件1和模具11的壁的内表面限定的腔体空间9。接着是(C)将含塑料的材料注入腔体空间9,以形成用于连接细长轴2和工具构件1的连接构件3,最后是(D)一旦连接构件3的注入材料固化,就将手持工具从模具中取出。
图4为示出了作为图3的制造方法的一部分的工具构件1、细长轴2和密封环6在模具中的布置的一个实例的图。还示出了腔体空间9。该方法可包括为所述插入部分5设置用于定位密封环6的台阶7。在制造过程中,可以支撑细长轴2,以便将细长轴2保持在适当位置。另外,细长轴2可以用力F压向模具。在所示的实例中,力F向上挤压细长轴。在该阶段,密封环6和工具构件1由于与模具11的壁接触而保持在适当位置。在细长轴2和模具11的壁之间不需要接触。相反,密封环支撑在模具11的壁上并且细长轴2支撑在密封环6上。这样,避免了模具11的壁和细长轴2的材料之间的直接接触,以及由于与模具的接触而在细长轴2中产生的永久痕迹。
此外,制造方法可包括为细长轴2的插入部分5设置锁定几何形状。该锁定几何形状可例如为至少一个横向凹槽8,用于增强连接构件3和细长轴2之间的机械锁定。锁定几何形状还可包括例如孔或反向间隙(counterdraft)。该方法还可包括为细长轴2的插入部分5设置至少一个截面形状与其余插入部分不同的截面。另外,所述制造方法还可包括提供含天然材料(例如木材)的细长轴2。
图5为示出了细长轴2和密封环6在模具中的一个布置实例的放大图(图4中的切口A),该模具可用于制造图1和2的手持工具。图5中呈现的特征未按比例绘制,并且为了清楚起见夸大了一些特征。
图5示出了将密封环6布置成围绕插入部分5,使得密封环6的第一密封侧表面6-1接触连接构件3的第三材料和突起10,该突起10设置在密封环6的附近用于与密封环6接合并从模具11的壁的内部朝向腔体空间的中心突出。此外,密封环6的第二密封侧表面6-2在台阶7的位置处接触插入部分5,设置台阶7用于定位密封环6。因此,模具的壁的突起10和插入部分5的台阶7用作密封环6的连接点。图5还示出了可在密封环6的外表面6-3和模具11的壁之间设置第一间隙,以及可在密封环6的内表面6-4和细长轴2的插入部分5之间设置第二间隙。
在制造过程中,密封环6的第一密封侧表面6-1与模具11的壁的突起10接触,并且密封环6的第二密封侧表面6-2与插入部分5接触,以防止在制造过程中第三材料经过第二密封侧表面6-2泄漏到细长轴2的材料上。
天然材料(例如木材)通常是软的,并且例如由于环境水分含量的变化而易于发生尺寸变化。使用密封环并设置有所述间隙的优点在于,在制造例如结合天然材料和塑料的手持工具时允许更大的偏差。
在图5中,突起10布置在模具11的壁的内侧上,使得在手持工具的制造过程中密封环6压靠突起10。当细长轴2的插入部分5(具有围绕插入部分5的密封环6)和工具构件1布置在模具中并且模具闭合时,所述突起10接触密封环6的第一密封侧表面6-1并且密封环6的第二密封侧表面6-2接触插入部分5的台阶7。
突起10是有利的,因为它将密封环6固定在适当位置并确保密封环6在注射步骤期间不移动。同样在该实施方案中,在模具11的壁和细长轴2的材料之间不需要接触,这确保了由于制造过程在细长轴2或密封环中没有永久痕迹。
在图5的实例中,在密封环6的外表面6-3和模具11的壁之间以及密封环6的内表面6-4和插入部分5之间设置有间隙。换言之,密封环6的外表面6-3和内表面6-4分别不与模具11的壁和插入部分接触。或者,密封环6的所述外表面6-3和/或内表面6-4可分别与模具11的壁和插入部分5接触。在模具被压到密封环的外表面6-3上并且密封环6的内表面6-4与插入部分5接触的情况下,没有必要使用力F将细长轴2压向模具。
对于本领域技术人员显而易见,随着技术的进步,本发明的构思可以各种方式实现。本发明及其实施方案不限于上述实例,而是可以在权利要求的范围内变化。
Claims (13)
1.一种手持工具,包括
工具构件(1),由第一材料制成,
细长轴(2),由第二材料制成,包括在第一端(2-1)中的手柄部分(4)和在第二端(2-2)中的插入部分(5),其特征在于,
连接构件(3),由含塑料的第三材料制成,布置在工具构件(1)和细长轴(2)之间,用于将由第二材料制成的插入部分(5)容纳在连接构件(3)的第一腔体中并将工具构件(1)和细长轴(2)连接起来,以及将工具构件(1)的一部分容纳在所述腔体的不同端或连接构件(3)的第二腔体中,
密封环(6)布置成围绕插入部分(5),密封环(6)接触插入部分(5)和连接构件(3)的第三材料,以防止在制造过程中第三材料泄漏到细长轴(2)的材料上,其中插入部分(5)和连接构件(3)将密封环(6)固定在手持工具上,
并且其中细长轴(2)包含天然材料。
2.根据权利要求1所述的手持工具,其中,
连接构件(3)包括位于密封环(6)附近的凹部(12)。
3.根据权利要求1或2之一所述的手持工具,其中,
细长轴(2)的插入部分(5)包括用于密封环(6)的台阶(7),使得在密封环(6)的位置处的截面面积小于十分靠近密封环(6)的细长轴(2)的手柄部分(4)的截面面积。
4.根据权利要求1至3之一所述的手持工具,其中,
细长轴(2)的插入部分(5)设置有锁定几何形状,用于增强连接构件(3)和细长轴(2)之间的机械锁定。
5.根据权利要求1至4之一所述的手持工具,其中,
细长轴(2)的插入部分(5)设置有至少一个截面形状与其余插入部分不同的截面。
6.根据权利要求1所述的手持工具,其中,
所述天然材料是木材。
7.一种手持工具的制造方法,其特征在于
所述方法包括:
在细长轴(2)的第二端(2-2)中,围绕插入部分(5)布置密封环(6),
将细长轴(2)的插入部分(5)和工具构件(1)布置在模具中,使得密封环(6)接触模具和插入部分(5)以封闭由密封环(6)、细长轴(2)的插入部分(5)、工具构件(1)和模具(11)的壁的内表面限定的腔体空间(9),
在腔体空间(9)中注入含塑料的材料,以形成用于连接细长轴(2)和工具构件(1)的连接构件(3),以及
一旦连接构件(3)的注入材料固化,就将手持工具从模具中取出。
8.根据权利要求7所述的手持工具的制造方法,其中,
为所述插入部分(5)设置用于定位密封环(6)的台阶(7)。
9.根据权利要求7或8所述的手持工具的制造方法,其中,
为细长轴(2)的插入部分(5)设置锁定几何形状(8),用于增强连接构件(3)和细长轴(2)之间的机械锁定。
10.根据权利要求7至9之一所述的手持工具的制造方法,其中,
为细长轴(2)的插入部分(5)设置至少一个截面形状与其余插入部分不同的截面。
11.根据权利要求7至10之一所述的手持工具的制造方法,其中,
在密封环(6)附近,为模具提供突起(10),用于与密封环(6)接合。
12.根据权利要求7至11之一所述的手持工具的制造方法,其中,
细长轴包括天然材料。
13.根据权利要求12所述的手持工具的制造方法,其中,
所述天然材料为木材。
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EP18192929.0 | 2018-09-06 | ||
EP18192929.0A EP3620285B1 (en) | 2018-09-06 | 2018-09-06 | A hand tool and a manufacturing method for a hand tool |
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CN110877436A true CN110877436A (zh) | 2020-03-13 |
CN110877436B CN110877436B (zh) | 2022-02-01 |
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US (1) | US20200078927A1 (zh) |
EP (1) | EP3620285B1 (zh) |
CN (1) | CN110877436B (zh) |
CA (1) | CA3053300C (zh) |
DK (1) | DK3620285T3 (zh) |
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2018
- 2018-09-06 DK DK18192929.0T patent/DK3620285T3/da active
- 2018-09-06 PL PL18192929T patent/PL3620285T3/pl unknown
- 2018-09-06 EP EP18192929.0A patent/EP3620285B1/en active Active
-
2019
- 2019-08-28 US US16/553,777 patent/US20200078927A1/en active Pending
- 2019-08-28 CA CA3053300A patent/CA3053300C/en active Active
- 2019-09-06 RU RU2019128122A patent/RU2719981C1/ru active
- 2019-09-06 CN CN201910841762.7A patent/CN110877436B/zh active Active
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WO1997044175A1 (en) * | 1996-05-17 | 1997-11-27 | Tamworth Plastics Limited | Method and apparatus for moulding elongate members and in particular golf club shafts |
US6655240B1 (en) * | 1997-06-02 | 2003-12-02 | Snap-On Tools Company | Insulating driver with injection molded shank and fluted working tip |
Also Published As
Publication number | Publication date |
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EP3620285A1 (en) | 2020-03-11 |
CA3053300C (en) | 2021-11-09 |
EP3620285B1 (en) | 2021-01-20 |
CA3053300A1 (en) | 2020-03-06 |
PL3620285T3 (pl) | 2021-06-28 |
RU2719981C1 (ru) | 2020-04-23 |
US20200078927A1 (en) | 2020-03-12 |
DK3620285T3 (da) | 2021-03-08 |
CN110877436B (zh) | 2022-02-01 |
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