CN210919750U - 一种内螺纹注塑连接件 - Google Patents
一种内螺纹注塑连接件 Download PDFInfo
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- CN210919750U CN210919750U CN201922132482.7U CN201922132482U CN210919750U CN 210919750 U CN210919750 U CN 210919750U CN 201922132482 U CN201922132482 U CN 201922132482U CN 210919750 U CN210919750 U CN 210919750U
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 21
- 239000004033 plastic Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- XECAHXYUAAWDEL-UHFFFAOYSA-N Acrylonitrile butadiene styrene Chemical compound 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C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 3
- 229920000122 Acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000000789 fastener Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000002708 enhancing Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
本实用新型公开了一种内螺纹注塑连接件,属于紧固件技术领域,主体上端设有注塑成型的内螺纹连接口,连接口两侧分别设有一个脱模槽,脱模槽对称放置,脱模槽呈梯形状,连接口的螺纹旋合长度与主体的高度相同连接件设置的脱模槽,方便注塑件螺纹的退模操作,能避免因退模引起的对连接件螺纹造成的形变;该连接件大大加强了与外部材料的紧密结合度与牢靠度。
Description
技术领域
本实用新型涉及紧固件技术领域,具体为一种内螺纹注塑连接件。
背景技术
塑料注塑是塑料制品的一种方法,将熔融的塑料利用压力注进塑料制品模具中,冷却成型得到想要各种塑料件。有专门用于进行注塑的机械注塑机。
模塑螺纹连接是指通过注塑模具的设计直接将螺纹在塑料零件上成型,进而实现与其它带有同样牙型、公称直径等参数的螺纹连接。
塑胶制品上的螺纹分为外螺纹与内螺纹两种,外螺纹通常采用滑块来脱模,内螺纹则采用绞牙方式脱模。内螺纹模具又可分为:1、强制脱螺纹结构(非旋转式)。2、非强制脱螺纹(旋转式)。当前模塑螺纹主要是用在瓶盖的制作方面。
由于注塑件的螺纹结构不利于脱模,现有的注塑连接件螺纹牙高通常较浅,连接后不太牢固,使用寿命不长。
实用新型内容
本实用新型的目的在于克服上述背景技术困难,提供一种内螺纹注塑连接件。
为达到上述目的,采用的技术方案为:所述主体1上端设有注塑成型的内螺纹连接口,所述连接口两侧分别设有一个脱模槽5,所述脱模槽5对称放置,所述脱模槽5呈梯形状,所述连接口的螺纹4旋合长度与主体1的高度相同,所述螺纹4牙型高度为连接口半径的四分之一。
进一步,所述主体1上端外侧连接有外圈板2,所述外圈板2为椭圆状。
进一步,所述外圈板2上设有两个安装孔3,所述安装孔3与脱模槽5平行放置,所述安装孔3与主体1等高,所述安装孔3与主体1外壁固定连接。
进一步,所述外圈板2上设有四个安装孔3,呈对称放置,所述安装孔3与主体1等高,所述安装孔3与主体1外壁固定连接。
进一步,所述外圈板2下侧,安装孔3左右两侧分别设有一根定位柱。
进一步,所述螺纹4被脱模槽5分为左右两段,配合使用。
进一步,所述连接件由高强塑料制成。
进一步,所述高强塑料为丙烯腈-丁二烯-苯乙烯树脂或聚碳酸酯。
进一步,所述内螺纹连接口孔径为2.5-3cm,所述脱模槽5靠近内螺纹连接口上端的宽度为0.8-1.1cm,另一端宽度为0.4-0.6cm。
采用上述方案的有益效果为:这种内螺纹注塑连接件内螺纹牙高为主体半径的四分之一,大大加强了连接件与外部材料的紧密结合度与牢靠度;内侧还设置有脱模槽,方便注塑件螺纹的退模操作,能避免因退模引起的对连接件螺纹造成的形变;连接件外圈板还设有安装孔用于辅助固定。
附图说明
图1为本实用新型内螺纹注塑连接件的结构示意图。
图2为本实用新型内螺纹注塑连接件的俯视图。
图3为本实用新型内螺纹注塑连接件的剖视图。
图中,主体1,外圈板2,安装孔3,螺纹4,脱模槽5。
具体实施方式
下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或同种要素。
显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。
如图1,图2,图3,一种内螺纹注塑连接件,包含主体1,所述主体1上端开口,所述上端设有注塑成型的内螺纹连接口,所述连接口两侧分别设有一个脱模槽5,所述脱模槽5对称放置,所述脱模槽5呈梯形状,连接件的螺纹4被脱模槽5分为左右两段,配合使用,所述螺纹4旋合长度与主体1的高度相同,所述螺纹4牙型高度为连接口半径的四分之一,保证了连接后的牢固度。
所述内螺纹连接口孔径为2.5-3cm,所述脱模槽5靠近内螺纹连接口上端的宽度为0.8-1.1cm,另一端宽度为0.4-0.6cm。
所述主体1上端外侧连接有外圈板2,所述外圈板2为椭圆状或圆状,所述外圈板2上设有两个安装孔3时,所述安装孔3与脱模槽5平行放置,所述外圈板2上设有四个安装孔3时,呈对称放置,所述安装孔3与主体1等高,所述安装孔3与主体1外壁固定连接,安装孔3起到辅助固定的作用,能够加强连接件连接后的结合度。
所述外圈板2下侧,安装孔3左右两侧分别设有一根定位柱,根据所设置的安装孔3的数量,所述定位柱数量可为4个或8个。所述连接件由高强塑料制成,所用塑料可为丙烯腈-丁二烯-苯乙烯树脂或聚碳酸酯,能够提升连接件本身的强度。
该连接件在生产过程中的退模环节,由于有脱模槽5,在退模过程中能够减少模具的损伤,以及对内螺纹形状和连接件强度的影响,连接件内螺纹的牙型高度能达到连接口半径的四分之一,螺纹旋合长度与主体1高度相等,连接件在使用时,能够提供稳固的连接效果。
对于本领域技术人员而言,显然本实用新型不限于上述示范性实施例的细节,而且在不背离本实用新型的精神或基本特征的情况下,能够以其他的具体形式实现本实用新型。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本实用新型的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (9)
1.一种内螺纹注塑连接件,包含主体(1),其特征是:所述主体(1)上端设有注塑成型的内螺纹连接口,所述连接口两侧分别设有一个脱模槽(5),所述脱模槽(5)对称放置,所述脱模槽(5)呈梯形状,所述连接口的螺纹(4)旋合长度与主体(1)的高度相同,所述螺纹(4)牙型高度为连接口半径的四分之一。
2.根据权利要求1所述的内螺纹注塑连接件,其特征是:所述主体(1)上端外侧连接有外圈板(2),所述外圈板(2)为椭圆状。
3.根据权利要求2所述的内螺纹注塑连接件,其特征是:所述外圈板(2)上设有两个安装孔(3),所述安装孔(3)与脱模槽(5)平行放置,所述安装孔(3)与主体(1)等高,所述安装孔(3)与主体(1)外壁固定连接。
4.根据权利要求2所述的内螺纹注塑连接件,其特征是:所述外圈板(2)上设有四个安装孔(3),呈对称放置,所述安装孔(3)与主体(1)等高,所述安装孔(3)与主体(1)外壁固定连接。
5.根据权利要求3或4所述的内螺纹注塑连接件,其特征是:所述外圈板(2)下侧,安装孔(3)左右两侧分别设有一根定位柱。
6.根据权利要求1所述的内螺纹注塑连接件,其特征是:所述螺纹(4)被脱模槽(5)分为左右两段,配合使用。
7.根据权利要求1所述的内螺纹注塑连接件,其特征是:所述连接件由高强塑料制成。
8.根据权利要求7所述的内螺纹注塑连接件,其特征是:所述高强塑料为丙烯腈-丁二烯-苯乙烯树脂或聚碳酸酯。
9.根据权利要求7所述的内螺纹注塑连接件,其特征是:所述内螺纹连接口孔径为2.5-3cm,所述脱模槽(5)靠近内螺纹连接口上端的宽度为0.8-1.1cm,另一端宽度为0.4-0.6cm。
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