WO2017206225A1 - Pressing and clamping shaft of dental handpiece suitable for disposable safe use - Google Patents
Pressing and clamping shaft of dental handpiece suitable for disposable safe use Download PDFInfo
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- WO2017206225A1 WO2017206225A1 PCT/CN2016/087017 CN2016087017W WO2017206225A1 WO 2017206225 A1 WO2017206225 A1 WO 2017206225A1 CN 2016087017 W CN2016087017 W CN 2016087017W WO 2017206225 A1 WO2017206225 A1 WO 2017206225A1
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- clamping shaft
- clamping
- push rod
- shaft body
- slot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
Definitions
- the invention relates to a dental handpiece clamping shaft, in particular a clamping shaft for safe use at one time.
- the pressing dental handpiece on the market has a complicated structure
- the utility model mainly adopts several complicated structural members which are arranged in the clamping shaft to assist the clamping and pressing disassembly of the grinding needle.
- the invention patent number "101084841” has adopted a plurality of structures with complicated structures and high precision requirements to cooperate in the production of the clamping shaft.
- the assembly is very inconvenient and the production cost is too high, so it is not suitable for disposable dental handpieces.
- the most important thing is that the clamping mechanism is placed inside the clamping shaft, which greatly affects the concentricity and is not conducive to the work of the grinding needle.
- the invention patent provides a one-time safety. Press the clamping shaft with a dental handpiece.
- a pressing and clamping shaft suitable for a one-time safe use of a dental handpiece comprising a clamping shaft body axially provided with a through hole, the two sides of the clamping shaft body a slot through which the through hole is formed, the slot is provided with a clamping spring for clamping the grinding pin, and the clamping shaft body is provided with a push rod for activating the clamping spring.
- the clamping shaft body is provided with a push rod groove for placing a push rod, the push rod is slidably disposed on the push rod groove, and the push rod groove is located at two sides of the clamping shaft body, the clamping spring
- the sheet is fixed by being mounted on the clamping shaft body and then being fitted to the inner hole of the impeller by the clamping shaft body.
- the middle portion of the clamping spring is a top contact portion, and the two ends of the top contact portion extend obliquely or fold over one side to form an elastic portion, and the top contact portion extends into the slot for Hold the grinding needle. Pressing the push rod against the elastic portion causes the clamping reed top contact portion to be outwardly displaced, thereby releasing the disassembling and grinding needle.
- the top contact portion is provided with a slot, and the slot is used to clamp and fix the side wall of the grinding pin when the grinding pin is clamped.
- the two sides, two slots and four turns are used for clamping, so that the clamping effect is more remarkable.
- a fixing member for limiting and fixing the clamping spring is further provided, wherein one side of the fixing member is a circular arc fixedly engaged with the inner surface of the impeller, and a fixing groove is arranged at a middle portion of the other side of the fixing member.
- the fixing member is disposed on the clamping shaft
- the clamping spring is fixed in the limiting slot when the body is on.
- the fixing member is matched with the inner hole of the impeller to fix the clamping spring, so that the clamping spring is fixed more firmly and firmly.
- both ends of the clamping spring are integrally provided with a fixing frame, and the outer surface of the fixing frame is a circular arc fixedly matched with the inner surface of the impeller.
- the clamping reed and the fixing frame can be made of plastic and can be punched by punching, which greatly improves the production efficiency.
- the clamping shaft body is provided with a limiting slot
- the fixing component is provided with a protrusion that cooperates with the limiting slot.
- the limiting groove is matched with the protrusion to prevent the fixing member from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
- the clamping shaft body is provided with a limiting slot
- the fixing frame is provided with a protrusion that cooperates with the limiting slot.
- the limiting groove is matched with the protrusion to prevent the fixing frame from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
- a slot is provided at the slot, and an extension portion is extended on both sides of the lower end of the push rod, and a lower end of the push rod is disposed at a recessed plane, and the push rod is stuck to the push rod by extending the extension
- the side walls of the groove are fixed. After the push rod is fixed, it can effectively prevent the putter from abnormal noise during the working process.
- the upper end of the clamping spring is connected and fixed by an inverted metal piece which is closely attached to the clamping shaft body from the upper end, and the metal piece is provided with a slot for placing the push rod.
- the push rod is clamped on the upper end of the clamping shaft body, and then the fixing member is installed, and finally the whole hole is fixed by the inner hole of the tight fitting impeller, and is pressed under use.
- the rod, the lower end of the push rod contacts the clamping spring, so that the elastic portion of the clamping spring is deformed to offset the top contact portion, and the disassembly and assembly grinding needle is loosened.
- the invention has the beneficial effects that the clamping mechanism is disposed outside the clamping shaft body to ensure the concentricity of the grinding needle.
- the components in the design are simple in structure, convenient in manufacture, low in production cost, and suitable for disposable dental handpieces.
- FIG. 1 is a schematic exploded view of a first embodiment of the present invention.
- FIG. 2 is a schematic view showing another fixing structure of a clamping reed according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of an explosion of the second embodiment of the present invention.
- FIG. 4 is a schematic structural view of a second embodiment of the present invention.
- Embodiment 1 The invention has various embodiments: Embodiment 1:
- a suitable one-time safe use of the dental handpiece to press the clamping shaft including the axial through hole 2
- the clamping shaft body 1 is provided with a slot 3 extending through the through hole 2 on both sides of the middle portion of the clamping shaft body 1 , and the slot hole 3 is provided with a clamping spring 4 for clamping the grinding needle,
- a push rod 5 for ejector the clamping spring 4 is slidably mounted on the clamping shaft body 1.
- the push rod is slidably disposed on the push rod groove, the push rod groove is located at two sides of the clamping shaft body, and the clamping spring 4 is mounted on the clamping shaft body 1 and then passes through the clamping shaft body 1 It is fixed to the inner hole of the impeller 6 to be fixed.
- the clamping reed and the push rod outside the clamping shaft body 1, the concentricity of the grinding needle 7 in the clamped state is ensured.
- the push rod 5 and the clamping reed 4 can be produced by stamping technology, which greatly reduces the production difficulty and the production cost, and enables mass production.
- the middle portion of the clamping spring 4 is a top contact portion 4-1, and the two ends of the top contact portion 4-1 extend obliquely or fold over one side to form an elastic portion 4-2.
- the contact portion 4-1 projects into the slot for gripping the grinding pin 7.
- the push rod 5 is pressed against the elastic portion 4-2 so that the clamping reed top contact portion 4-1 is outwardly displaced, thereby releasing the disassembling grinding needle 7.
- the top contact portion 4-1 is provided with a slot 4-3, and the slot 4-3 is clamped and fixed by the slotted portion 4-3 when the grinding needle 7 is clamped. Needle 7 side wall. The clamping is performed on both sides, two slots and four turns, so that the clamping effect is more remarkable.
- Fixing method 1 further comprising a fixing member 8 for limiting and fixing the clamping spring 4, the fixing member 8 has a circular arc fixed to the inner surface of the impeller, and the other side of the fixing member 8 A limiting slot 9 is defined in the middle portion, and the clamping spring 4 is fixed in the limiting slot 9 when the fixing member 8 is disposed on the clamping shaft body.
- the fixing member 8 is fitted with the inner hole of the impeller 6 to fix the clamping spring 4, so that the clamping spring 4 is fixed more firmly and firmly.
- a limiting slot 11 is disposed on the clamping shaft body, and the fixing member 8 is provided with a protrusion 12 that cooperates with the limiting slot.
- the limiting groove is matched with the protrusion to prevent the fixing member from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
- Fixing method 2 Both ends of the clamping reed 4 are integrally provided with a fixing frame 10, and an outer surface of the fixing frame 10 is a circular arc fixedly matched with the inner surface of the inner hole of the impeller 6.
- the clamping reed 4 and the fixing frame 10 can be integrally formed of plastic, and can also be punched by punching, which greatly improves the production efficiency.
- a limiting slot 11 is disposed on the clamping shaft body, and the fixing frame is provided with a protrusion 12 that cooperates with the limiting slot.
- the limiting groove is matched with the protrusion to prevent the fixing frame from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
- the slot is provided with a recessed plane 13
- the lower end of the push rod 5 extends with an extending portion 5-1
- the lower end of the push rod 5 is disposed at the recessed plane 13
- the push rod 5 is fixed by engaging the extension portion 5-1 on the side wall of the push rod groove. After the push rod is fixed, it can effectively prevent the putter from abnormal noise during the working process.
- Embodiment 2 As shown in FIGS. 3 and 4, a clamping shaft suitable for one-time safe use of a dental handpiece, including a clamping shaft body 1 having an axially through hole 2, the middle of the clamping shaft body 1 Slots 3 through which the through holes 2 are formed are provided on both sides, and the slots 3 are provided with clamping springs 4 for clamping the grinding pins, and the clamping shaft body is further provided with the clamping a push rod 5 of the reed 4, the clamping shaft body is provided with a push rod groove for placing a push rod, the clamping spring 4 is fixed on the clamping shaft body and then passes through the clamping shaft body 1 and the impeller The inner hole of 6 is tightly fitted for fixing.
- the push rod and the clamping reed can be produced by stamping technology, which greatly reduces the production difficulty and the production cost, and makes mass production possible.
- the middle portion of the clamping spring is a top contact portion, and the two ends of the top contact portion are obliquely extended or folded to form an elastic portion, and the top contact portion extends into the slot. Hold the grinding needle. The pusher is pressed against the elastic portion so that the clamping reed top contact portion is outwardly displaced, thereby disassembling and releasing the grinding needle.
- the upper end of the clamping spring 4 is connected and fixed by an inverted metal piece 14 which is closely attached to the clamping shaft body from the upper end, and the metal piece 14 is provided with a groove 15 for placing the push rod.
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Disclosed is a pressing and clamping shaft of a dental handpiece suitable for disposable safe use, comprising a clamping shaft body (1) which is provided with a via hole axially. Slot holes (3) cutting through the via hole are provided at both sides of a middle part of the clamping shaft body (1). A clamping spring strip (4) for clamping a card grinding (7) is provided on the slot holes (3). A push rod (5) for ejecting the clamping spring strip is slidably provided on the clamping shaft body (1). Push rod slots for placing the push rod (5) are provided in the clamping shaft body (1). The push rod (5) is slidably provided on the push rod slots. The push rod slots are located at both sides of the clamping shaft body (1). The clamping spring strip (4) is mounted on the clamping shaft body (1), and then the clamping shaft body (1) closely coordinates with an inner hole of an impeller (6).
Description
本发明专利涉及一种牙科手机夹持轴，尤其是一次性安全使用的夹持轴。The invention relates to a dental handpiece clamping shaft, in particular a clamping shaft for safe use at one time.
目前市面上的按压牙科手机结构复杂，其主要采用在夹持轴内部设置数个配合工作的结构复杂的构件辅助进行磨针的夹持、按压拆卸工作。例如中国专利库中发明名称为“牙科高速手机按压式挟持机构”公开号为“101084841”的发明专利中，在夹持轴内部采用了多个结构复杂，精度要求高的结构进行配合工作，生产装配十分不便，生产成本过高，不适用于一次性牙科手机使用。最为主要的是，将夹持机构设置在夹持轴内部极大的影响了同心度，不利于磨针的工作。At present, the pressing dental handpiece on the market has a complicated structure, and the utility model mainly adopts several complicated structural members which are arranged in the clamping shaft to assist the clamping and pressing disassembly of the grinding needle. For example, in the invention patent entitled "Dental High-speed Mobile Phone Press-type Holding Mechanism" in the Chinese Patent Library, the invention patent number "101084841" has adopted a plurality of structures with complicated structures and high precision requirements to cooperate in the production of the clamping shaft. The assembly is very inconvenient and the production cost is too high, so it is not suitable for disposable dental handpieces. The most important thing is that the clamping mechanism is placed inside the clamping shaft, which greatly affects the concentricity and is not conducive to the work of the grinding needle.
发明内容Summary of the invention
为了克服目前牙科手机夹持轴结构复杂，构件精度要求高，成本过高，夹持机构设置在夹持轴内部极大的影响了同心度的不足，本发明专利提供一种适合于一次性安全使用牙科手机按压夹持轴。In order to overcome the complicated structure of the dental handpiece clamping shaft, the component precision requirement is high, the cost is too high, and the clamping mechanism is disposed inside the clamping shaft, which greatly affects the concentricity. The invention patent provides a one-time safety. Press the clamping shaft with a dental handpiece.
本发明专利解决其技术问题的技术方案是：一种适合于一次性安全使用牙科手机按压夹持轴，包括轴向设有与通孔的夹持轴本体，所述夹持轴本体中部两侧设有通孔贯通的槽孔，所述槽孔上设置有用于夹持磨针的夹持簧片，所述夹持轴本体上滑设有用于顶开所述夹持簧片的推杆，所述夹持轴本体上设有用于放置推杆的推杆槽，所述推杆滑设在推杆槽上，所述推杆槽位于所述夹持轴本体两侧，所述夹持簧片通过安装在夹持轴本体上而后通过夹持轴本体与叶轮的内孔紧配进行固定。通过将夹持簧片、推杆设置在夹持轴本体外，保证了磨针在夹持状态的同心度。本发明中推杆以及夹持簧片可采用冲压技术生产，极大的降低了生产难度以及生成产成本，使得大批量生产成为可能。The technical solution of the invention solves the technical problem is: a pressing and clamping shaft suitable for a one-time safe use of a dental handpiece, comprising a clamping shaft body axially provided with a through hole, the two sides of the clamping shaft body a slot through which the through hole is formed, the slot is provided with a clamping spring for clamping the grinding pin, and the clamping shaft body is provided with a push rod for activating the clamping spring. The clamping shaft body is provided with a push rod groove for placing a push rod, the push rod is slidably disposed on the push rod groove, and the push rod groove is located at two sides of the clamping shaft body, the clamping spring The sheet is fixed by being mounted on the clamping shaft body and then being fitted to the inner hole of the impeller by the clamping shaft body. By arranging the clamping reed and the push rod outside the clamping shaft, the concentricity of the grinding needle in the clamping state is ensured. In the invention, the push rod and the clamping reed can be produced by stamping technology, which greatly reduces the production difficulty and the production cost, and makes mass production possible.
进一步作为优选，所述夹持簧片中部为顶触部，所述顶触部两端向一侧倾斜地延伸或翻折形成弹性部，所述顶触部伸入所述槽孔内用于夹持磨针。推杆顶压在弹性部上使得夹持簧片顶触部向外偏移，从而松开拆装磨针。Further preferably, the middle portion of the clamping spring is a top contact portion, and the two ends of the top contact portion extend obliquely or fold over one side to form an elastic portion, and the top contact portion extends into the slot for Hold the grinding needle. Pressing the push rod against the elastic portion causes the clamping reed top contact portion to be outwardly displaced, thereby releasing the disassembling and grinding needle.
进一步作为优选，所述顶触部上设有开槽，所述开槽在夹持磨针时采用开槽部位的楞进行夹持固定磨针侧壁。采用两侧，两槽，四楞进行夹持，使得夹持效果更佳显著。Further preferably, the top contact portion is provided with a slot, and the slot is used to clamp and fix the side wall of the grinding pin when the grinding pin is clamped. The two sides, two slots and four turns are used for clamping, so that the clamping effect is more remarkable.
进一步，还包括用于限位、固定所述夹持簧片的固定件，所述固定件一侧为与叶轮内表面配合固定的圆弧，所述固定件另一侧中部设有限位槽，所述固定件盖设在所述夹持轴
本体上时所述夹持簧片固定在所述限位槽内。采用固定件与叶轮的内孔紧配从而固定夹持簧片，使得夹持簧片固定更加稳固牢靠。Further, a fixing member for limiting and fixing the clamping spring is further provided, wherein one side of the fixing member is a circular arc fixedly engaged with the inner surface of the impeller, and a fixing groove is arranged at a middle portion of the other side of the fixing member. The fixing member is disposed on the clamping shaft
The clamping spring is fixed in the limiting slot when the body is on. The fixing member is matched with the inner hole of the impeller to fix the clamping spring, so that the clamping spring is fixed more firmly and firmly.
进一步作为优选，所述夹持簧片两端与一固定框架一体设置，所述固定框架外表面为与叶轮内表面配合固定的圆弧。夹持簧片与固定框架可用塑料一体制成，亦可用冲床冲压制成，极大的提高了生产效率。Further preferably, both ends of the clamping spring are integrally provided with a fixing frame, and the outer surface of the fixing frame is a circular arc fixedly matched with the inner surface of the impeller. The clamping reed and the fixing frame can be made of plastic and can be punched by punching, which greatly improves the production efficiency.
进一步，所述夹持轴本体上设有限位槽，所述固定件上设有与所述限位槽配合的凸块。采用限位槽与凸块配合，防止在与叶轮的内孔紧配过程中固定件上下移动，简化及优化了安装步骤。Further, the clamping shaft body is provided with a limiting slot, and the fixing component is provided with a protrusion that cooperates with the limiting slot. The limiting groove is matched with the protrusion to prevent the fixing member from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
进一步，所述夹持轴本体上设有限位槽，所述固定框架上设有与所述限位槽配合的凸块。采用限位槽与凸块配合，防止在与叶轮的内孔紧配过程中固定框架上下移动，简化及优化了安装步骤。Further, the clamping shaft body is provided with a limiting slot, and the fixing frame is provided with a protrusion that cooperates with the limiting slot. The limiting groove is matched with the protrusion to prevent the fixing frame from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
进一步，所述槽孔处设有下陷平面，所述推杆下端两侧延伸有延伸部，所述推杆下端夹设在下陷平面处，所述推杆通过将延伸部卡在所述推杆槽侧壁进行固定。将推杆限位固定后，有效防止推杆在工作过程中发生异响。Further, a slot is provided at the slot, and an extension portion is extended on both sides of the lower end of the push rod, and a lower end of the push rod is disposed at a recessed plane, and the push rod is stuck to the push rod by extending the extension The side walls of the groove are fixed. After the push rod is fixed, it can effectively prevent the putter from abnormal noise during the working process.
进一步，所述夹持簧片上端通过一倒置的从上端紧贴夹持轴本体的金属片连接固定，所述金属片上设有放置推杆的开槽。Further, the upper end of the clamping spring is connected and fixed by an inverted metal piece which is closely attached to the clamping shaft body from the upper end, and the metal piece is provided with a slot for placing the push rod.
本发明专利在组装时，将夹持簧片组装后将推杆夹设在夹持轴本体上端，而后安装固定件，最后通过紧配叶轮的内孔将整体固定即可，在使用时下压推杆，推杆下端接触夹持簧片，使得夹持簧片弹性部变形从而使得顶触部偏移，松开拆装磨针。In the assembly of the invention, after the clamping reed is assembled, the push rod is clamped on the upper end of the clamping shaft body, and then the fixing member is installed, and finally the whole hole is fixed by the inner hole of the tight fitting impeller, and is pressed under use. The rod, the lower end of the push rod contacts the clamping spring, so that the elastic portion of the clamping spring is deformed to offset the top contact portion, and the disassembly and assembly grinding needle is loosened.
本发明专利的有益效果在于：将夹持机构设置在夹持轴本体外侧保证了磨针同心度，本设计中各个部件结构简单，制造方便，生产成本低，适用于一次性牙科手机。The invention has the beneficial effects that the clamping mechanism is disposed outside the clamping shaft body to ensure the concentricity of the grinding needle. The components in the design are simple in structure, convenient in manufacture, low in production cost, and suitable for disposable dental handpieces.
图1为本发明专利实施例一***示意图。FIG. 1 is a schematic exploded view of a first embodiment of the present invention.
图2为本发明专利实施例一夹持簧片另一种固定结构示意图。2 is a schematic view showing another fixing structure of a clamping reed according to an embodiment of the present invention.
图3为本发明专利实施例二***示意图。FIG. 3 is a schematic diagram of an explosion of the second embodiment of the present invention.
图4为本发明专利实施例二结构示意图。4 is a schematic structural view of a second embodiment of the present invention.
下面结合附图和具体实施方式对本发明专利作进一步详细说明。The invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
本发明具有多种实施方式：实施例一：The invention has various embodiments: Embodiment 1:
如图1和2所示：一种适合于一次性安全使用牙科手机按压夹持轴，包括轴向设有通孔2的
夹持轴本体1，所述夹持轴本体1中部两侧设有与通孔2贯通的槽孔3，所述槽孔3上设置有用于夹持磨针的夹持簧片4，所述夹持轴本体1上滑设有用于顶开所述夹持簧片4的推杆5。所述推杆滑设在推杆槽上，所述推杆槽位于所述夹持轴本体两侧，所述夹持簧片4通过安装在夹持轴本体1上而后通过夹持轴本体1与叶轮6的内孔紧配进行固定。通过将夹持簧片、推杆设置在夹持轴本体1外，保证了磨针7在夹持状态的同心度。本发明中推杆5以及夹持簧片4可采用冲压技术生产，极大的降低了生产难度以及成产生产成本，使得大批量生产成为可能。As shown in Figures 1 and 2: a suitable one-time safe use of the dental handpiece to press the clamping shaft, including the axial through hole 2
The clamping shaft body 1 is provided with a slot 3 extending through the through hole 2 on both sides of the middle portion of the clamping shaft body 1 , and the slot hole 3 is provided with a clamping spring 4 for clamping the grinding needle, A push rod 5 for ejector the clamping spring 4 is slidably mounted on the clamping shaft body 1. The push rod is slidably disposed on the push rod groove, the push rod groove is located at two sides of the clamping shaft body, and the clamping spring 4 is mounted on the clamping shaft body 1 and then passes through the clamping shaft body 1 It is fixed to the inner hole of the impeller 6 to be fixed. By arranging the clamping reed and the push rod outside the clamping shaft body 1, the concentricity of the grinding needle 7 in the clamped state is ensured. In the present invention, the push rod 5 and the clamping reed 4 can be produced by stamping technology, which greatly reduces the production difficulty and the production cost, and enables mass production.
本实施例中，所述夹持簧片4中部为顶触部4-1，所述顶触部4-1两端向一侧倾斜地延伸或翻折形成弹性部4-2，所述顶触部4-1伸入所述槽孔内用于夹持磨针7。推杆5顶压在弹性部4-2上使得夹持簧片顶触部4-1向外偏移，从而松开拆装磨针7。In this embodiment, the middle portion of the clamping spring 4 is a top contact portion 4-1, and the two ends of the top contact portion 4-1 extend obliquely or fold over one side to form an elastic portion 4-2. The contact portion 4-1 projects into the slot for gripping the grinding pin 7. The push rod 5 is pressed against the elastic portion 4-2 so that the clamping reed top contact portion 4-1 is outwardly displaced, thereby releasing the disassembling grinding needle 7.
本实施例中，所述顶触部4-1上设有开槽4-3，所述开槽4-3在夹持磨针7时采用开槽4-3部位的楞进行夹持固定磨针7侧壁。采用两侧、两槽、四楞进行夹持，使得夹持效果更佳显著。In the embodiment, the top contact portion 4-1 is provided with a slot 4-3, and the slot 4-3 is clamped and fixed by the slotted portion 4-3 when the grinding needle 7 is clamped. Needle 7 side wall. The clamping is performed on both sides, two slots and four turns, so that the clamping effect is more remarkable.
本实施例中，夹持簧片的固定方式有两种：In this embodiment, there are two ways to fix the clamping reed:
固定方式一：还包括用于限位、固定所述夹持簧片4的固定件8，所述固定件8一侧为与叶轮内表面配合固定的圆弧，所述固定件8另一侧中部设有限位槽9，所述固定件8盖设在所述夹持轴本体上时所述夹持簧片4固定在所述限位槽9内。采用固定件8与叶轮6的内孔紧配从而固定夹持簧片4，使得夹持簧片4固定更加稳固牢靠。Fixing method 1: further comprising a fixing member 8 for limiting and fixing the clamping spring 4, the fixing member 8 has a circular arc fixed to the inner surface of the impeller, and the other side of the fixing member 8 A limiting slot 9 is defined in the middle portion, and the clamping spring 4 is fixed in the limiting slot 9 when the fixing member 8 is disposed on the clamping shaft body. The fixing member 8 is fitted with the inner hole of the impeller 6 to fix the clamping spring 4, so that the clamping spring 4 is fixed more firmly and firmly.
所述夹持轴本体上设有限位槽11，所述固定件8上设有与所述限位槽配合的凸块12。采用限位槽与凸块配合，防止在与叶轮的内孔紧配过程中固定件上下移动，简化及优化了安装步骤。A limiting slot 11 is disposed on the clamping shaft body, and the fixing member 8 is provided with a protrusion 12 that cooperates with the limiting slot. The limiting groove is matched with the protrusion to prevent the fixing member from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
固定方式二：所述夹持簧片4两端与一固定框架10一体设置，所述固定框架10外表面为与叶轮6的内孔内表面配合固定的圆弧。夹持簧片4与固定框架10可用塑料一体制成，亦可用冲床冲压制成，极大的提高了生产效率。Fixing method 2: Both ends of the clamping reed 4 are integrally provided with a fixing frame 10, and an outer surface of the fixing frame 10 is a circular arc fixedly matched with the inner surface of the inner hole of the impeller 6. The clamping reed 4 and the fixing frame 10 can be integrally formed of plastic, and can also be punched by punching, which greatly improves the production efficiency.
所述夹持轴本体上设有限位槽11，所述固定框架上设有与所述限位槽配合的凸块12。采用限位槽与凸块配合，防止在与叶轮的内孔紧配过程中固定框架上下移动，简化及优化了安装步骤。A limiting slot 11 is disposed on the clamping shaft body, and the fixing frame is provided with a protrusion 12 that cooperates with the limiting slot. The limiting groove is matched with the protrusion to prevent the fixing frame from moving up and down during the fitting with the inner hole of the impeller, which simplifies and optimizes the installation step.
本实施例中，所述槽孔处设有下陷平面13，所述推杆5下端两侧延伸有延伸部5-1，所述推杆5下端夹设在下陷平面13处，所述推杆5通过将延伸部5-1卡在所述推杆槽侧壁进行固定。将推杆限位固定后，有效防止推杆在工作过程中发生异响。
In this embodiment, the slot is provided with a recessed plane 13 , and the lower end of the push rod 5 extends with an extending portion 5-1 , and the lower end of the push rod 5 is disposed at the recessed plane 13 , and the push rod 5 is fixed by engaging the extension portion 5-1 on the side wall of the push rod groove. After the push rod is fixed, it can effectively prevent the putter from abnormal noise during the working process.
实施例二：如图3和4所示，一种适合于一次性安全使用牙科手机按压夹持轴，包括轴向设有通孔2的夹持轴本体1，所述夹持轴本体1中部两侧设有通孔2贯通的槽孔3，所述槽孔3上设置有用于夹持磨针的夹持簧片4，所述夹持轴本体上还设有用于顶开所述夹持簧片4的推杆5，所述夹持轴本体上设有用于放置推杆的推杆槽，所述夹持簧片4通过固定在夹持轴本体上而后通过夹持轴本体1与叶轮6的内孔紧配进行固定。通过将夹持部位、按压部位设置在夹持轴本体外，保证了磨针在夹持状态的同心度。本发明中推杆以及夹持簧片可采用冲压技术生产，极大的降低了生产难度以及成产成本，使得大量生产成为可能。Embodiment 2: As shown in FIGS. 3 and 4, a clamping shaft suitable for one-time safe use of a dental handpiece, including a clamping shaft body 1 having an axially through hole 2, the middle of the clamping shaft body 1 Slots 3 through which the through holes 2 are formed are provided on both sides, and the slots 3 are provided with clamping springs 4 for clamping the grinding pins, and the clamping shaft body is further provided with the clamping a push rod 5 of the reed 4, the clamping shaft body is provided with a push rod groove for placing a push rod, the clamping spring 4 is fixed on the clamping shaft body and then passes through the clamping shaft body 1 and the impeller The inner hole of 6 is tightly fitted for fixing. By arranging the clamping portion and the pressing portion outside the clamping shaft, the concentricity of the grinding needle in the clamped state is ensured. In the invention, the push rod and the clamping reed can be produced by stamping technology, which greatly reduces the production difficulty and the production cost, and makes mass production possible.
本实施例中，所述夹持簧片中部为顶触部，所述顶触部两端向一侧倾斜地延伸或翻折形成弹性部，所述顶触部伸入所述槽孔内用于夹持磨针。推杆顶压在弹性部上使得夹持簧片顶触部向外偏移，从而拆装松开磨针。In this embodiment, the middle portion of the clamping spring is a top contact portion, and the two ends of the top contact portion are obliquely extended or folded to form an elastic portion, and the top contact portion extends into the slot. Hold the grinding needle. The pusher is pressed against the elastic portion so that the clamping reed top contact portion is outwardly displaced, thereby disassembling and releasing the grinding needle.
本实施例中，所述夹持簧片4上端通过一倒置的从上端紧贴夹持轴本体的金属片14连接固定，所述金属片14上设有放置推杆的槽15。
In this embodiment, the upper end of the clamping spring 4 is connected and fixed by an inverted metal piece 14 which is closely attached to the clamping shaft body from the upper end, and the metal piece 14 is provided with a groove 15 for placing the push rod.
Claims (10)
- 一种适合于一次性安全使用牙科手机按压夹持轴，包括轴向设有通孔的夹持轴本体，其特征在于：所述夹持轴本体中部两侧设有与通孔贯通的槽孔，所述槽孔上设置有用于夹持磨针的夹持簧片，所述夹持轴本体上还滑设有用于顶开所述夹持簧片的推杆，所述夹持轴本体上设有用于放置推杆的推杆槽。The utility model relates to a clamping shaft which is suitable for a one-time safe use of a dental handpiece, and a clamping shaft body which is provided with a through hole in the axial direction, and is characterized in that: the two sides of the clamping shaft body are provided with a slot penetrating through the through hole a clamping spring for holding the grinding needle is disposed on the slot, and a sliding rod for activating the clamping spring is further disposed on the clamping shaft body, and the clamping shaft body is There is a push rod slot for placing the push rod.
- 如权利要求1所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述推杆滑设在推杆槽上，所述推杆槽位于所述夹持轴本体两侧。The dental handpiece pressing clamping shaft suitable for a one-time safe use according to claim 1, wherein the push rod is slidably disposed on the push rod groove, and the push rod groove is located on both sides of the clamping shaft body. .
- 如权利要求1所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述夹持簧片中部为顶触部，所述顶触部两端向一侧倾斜地延伸或翻折形成弹性部，所述顶触部伸入所述槽孔内用于夹持磨针。The dental handpiece pressing clamping shaft suitable for a one-time safe use according to claim 1, wherein a middle portion of the clamping spring is a top contact portion, and both ends of the top contact portion extend obliquely to one side or Folding forms an elastic portion, and the top contact portion projects into the slot for holding the grinding pin.
- 如权利要求3所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述顶触部上设有开槽，所述开槽在夹持磨针时采用开槽部位的楞进行夹持固定磨针侧壁。The dental handpiece pressing clamping shaft suitable for a one-time safe use according to claim 3, wherein the top contact portion is provided with a slot, and the slot is formed by a slotted portion when the grinding needle is clamped.楞Clamp the fixed grinding pin sidewall.
- 如权利要求1或3所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：还包括用于限位、固定所述夹持簧片的固定件，所述固定件一侧为与叶轮内表面配合固定的圆弧，所述固定件另一侧中部设有限位槽，所述固定件盖设在所述夹持轴本体上时所述夹持簧片固定在所述限位槽内。The dental handpiece pressing clamping shaft suitable for a one-time safe use according to claim 1 or 3, further comprising: a fixing member for limiting and fixing the clamping spring, the fixing member side a fixing arc that is fixed to the inner surface of the impeller, wherein the fixing member is provided with a limiting groove at the middle of the other side, and the clamping spring is fixed at the limit when the fixing member is disposed on the clamping shaft body In the bit slot.
- 如权利要求3所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述夹持簧片两端与一固定框架一体设置，所述固定框架外表面为与叶轮内表面配合固定的圆弧。The dental handpiece pressing clamping shaft suitable for disposable safety use according to claim 3, wherein both ends of the clamping spring are integrally provided with a fixing frame, and the outer surface of the fixing frame is opposite to the inner surface of the impeller. Fit with a fixed arc.
- 如权利要求5所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述夹持轴本体上设有限位槽，所述固定件上设有与所述限位槽配合的凸块。The dental handpiece pressing clamping shaft for a one-time safe use according to claim 5, wherein the clamping shaft body is provided with a limiting slot, and the fixing member is provided with the limiting slot. Bumps.
- 如权利要求6所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述夹持轴本体上设有限位槽，所述固定框架上设有与所述限位槽配合的凸块。The dental handpiece pressing clamping shaft suitable for a one-time safe use according to claim 6, wherein the clamping shaft body is provided with a limiting slot, and the fixing frame is provided with the limiting slot. Bumps.
- 如权利要求1所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述槽孔处设有下陷平面，所述推杆下端两侧延伸有延伸部，所述推杆下端夹设在下陷平面处，所述推杆通过将延伸部卡在所述推杆槽侧壁进行固定。The dental handpiece pressing clamping shaft suitable for a one-time safe use according to claim 1, wherein the slot is provided with a recessed plane, and the lower end of the push rod extends with an extension portion, the push rod The lower end is sandwiched at a sinking plane, and the push rod is fixed by clamping the extension to the side wall of the push rod groove.
- 如权利要求1所述的适合于一次性安全使用牙科手机按压夹持轴，其特征在于：所述夹持簧片上端通过一倒置的从上端紧贴夹持轴本体的金属片连接固定，所述金属片上设有放置推杆的槽。 The dental handpiece pressing clamping shaft suitable for disposable safety use according to claim 1, wherein the upper end of the clamping spring is connected and fixed by an inverted metal piece that is in close contact with the clamping shaft body from the upper end. The metal piece is provided with a groove for placing the push rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385491.5 | 2016-06-03 | ||
| CN201610385491.5A CN105902321B (en) | 2016-06-03 | 2016-06-03 | One kind being suitable for disposable safe and uses dental handpiece pressing clamping axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017206225A1 true WO2017206225A1 (en) | 2017-12-07 |
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ID=56743108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2016/087017 WO2017206225A1 (en) | 2016-06-03 | 2016-06-24 | Pressing and clamping shaft of dental handpiece suitable for disposable safe use |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105902321B (en) |
| WO (1) | WO2017206225A1 (en) |
Cited By (2)
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| CN109172008A (en) * | 2018-10-05 | 2019-01-11 | 宁波和平鸽口腔医疗器材有限公司 | Dental handpiece presses clamping device |
| CN112652082A (en) * | 2020-12-15 | 2021-04-13 | 重庆电子工程职业学院 | Student attendance checking device |
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| CN109998704B (en) * | 2019-04-07 | 2024-07-23 | 佛山市多易美医疗器材有限公司 | Pressing shaft |
| CN113893158B (en) * | 2021-11-08 | 2022-07-08 | 广州蓝仕威克医疗科技有限公司 | Cardio-pulmonary resuscitation machine with adjustable pressing head position |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105902321B (en) | 2018-12-14 |
| CN105902321A (en) | 2016-08-31 |
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