WO2019092198A1 - Interrupteur rond à commande au pied - Google Patents

Interrupteur rond à commande au pied Download PDF

Info

Publication number
WO2019092198A1
WO2019092198A1 PCT/EP2018/080802 EP2018080802W WO2019092198A1 WO 2019092198 A1 WO2019092198 A1 WO 2019092198A1 EP 2018080802 W EP2018080802 W EP 2018080802W WO 2019092198 A1 WO2019092198 A1 WO 2019092198A1
Authority
WO
WIPO (PCT)
Prior art keywords
rundfußschalter
plunger
switching
switch
elements
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2018/080802
Other languages
German (de)
English (en)
Inventor
Matthias Oberländer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Steute Technologies GmbH and Co KG
Original Assignee
Steute Technologies GmbH and Co KG
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 Steute Technologies GmbH and Co KG filed Critical Steute Technologies GmbH and Co KG
Publication of WO2019092198A1 publication Critical patent/WO2019092198A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/06—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with electric drive
    • 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
    • A61C1/0007—Control devices or systems
    • A61C1/0015—Electrical systems
    • A61C1/0023—Foot control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H25/00—Switches with compound movement of handle or other operating part
    • H01H25/04—Operating part movable angularly in more than one plane, e.g. joystick
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot

Definitions

  • the invention relates to a Rundfußschalter with one or more
  • Switching elements which are operated via a linearly movable plunger, with a centrally mounted, tiltable and sliding
  • Foot actuator is coupled.
  • Round foot switches are used in many areas and have a frequently round, horizontally aligned in a rest position
  • Actuating element which can be actuated both in eccentric actuation tilting and in central operation in the downward direction.
  • the operation of the foot actuator is via a plunger on the or
  • Tilting as well as a pressing operation is qualitatively the same.
  • Embodiments with multiple switching elements that do not switch substantially simultaneously, difficult to implement The document CN 105390309 A also relates to a Rundfußschalter of the aforementioned type. Due to a vertical arrangement of the
  • the switch has a high minimum height. Again, embodiments are difficult to implement with multiple switching elements that do not switch substantially at the same time. Furthermore, when the switch is actuated, its housing interior is accessible to liquids, which makes it drastically difficult to comply with the parts of the European Standard EN 60601 that are to be used for medical devices.
  • EP 1 998 703 B1 is a round foot switch for use in the medical or dental medical field, with its
  • the switch has to microswitches as switching elements, which are arranged standing upright next to the plunger. Upon a movement of the plunger down the plunger pushes actuators for the micro-switch to the outside and thereby triggers the switching process. Running at different heights or arranged at different heights next to the plunger actuators on which the plunger moves past, trigger the switching process accordingly at different plunger positions.
  • the object of the invention is thus to provide a simple to install Rundfußschalters low height, in the embodiments of the
  • Actuator which switch at a plurality of switching elements on actuation of the actuating element either substantially simultaneously, or substantially successively. It is a further object to design the round foot switch so that the applicable to such medical devices sections of EN 60601 can be easily adhered to, especially those related to the prevention of the ingress of liquids.
  • An inventive Rundfußschalter has at least one pivoting element which cooperates on the one hand with the lecturbetuschistselement and on the other hand with at least one of the switching elements, wherein at least this switching element is arranged horizontally.
  • the pivot element is used to transmit the release movement of the plunger to the at least one switching element. If multiple switching elements are used, can be formed by differently shaped
  • Switching elements must be modified within a switch housing. Due to the horizontal arrangement of the switching element or the switching elements can also be done in a simple manner, a seal of the switch housing, e.g. through an elastic seal to the actuator out.
  • the Rundfußschalter on at least two switching elements each of which one of the pivot elements is assigned for actuation.
  • the pivot elements can be designed and arranged the same, so that the switch at least two switching elements in a substantially same position of the plunger.
  • Positions of the plunger and thus the foot actuator can be implemented so with the same design and the same attachment of the operated switch. This simplifies the construction of the switch housing.
  • the at least one pivoting element is a lever and preferably a two-sided lever, wherein a first lever arm protrudes below an edge of the plunger and a second lever arm on an operating knob of the associated
  • the Rundfußschalter a housing having a base plate and an upper housing part, which are sealed to each other.
  • the base plate is formed integrally with at least one switching element receptacle, at least one pivot element receptacle and at least one pin for guiding the plunger.
  • Plastic injection molding process can be produced.
  • an elastic seal is preferably provided, which seals a gap between the plunger and the upper housing part.
  • elastic seal can a
  • Diaphragm seal used with the plunger and the
  • Form membrane seal integrally with the plunger for example in a coextrusion process or by the elastic seal is molded onto a previously created plunger, whereby a reliable and durable seal is achieved.
  • Fig. 1 is a perspective view of an inventive
  • FIG. 2 is an exploded perspective view of a Rundfußschalters invention for wired operation in the embodiment with two switching elements for substantially simultaneous switching,
  • Fig. 3 shows a section through the Rundfußschalter of FIG. 1 and 2 perpendicular to the outgoing line through the middle of the through
  • FIG. 4 shows an enlarged detail of FIG. 3rd
  • a Rundfußschalter 1 is shown with a line set 2 required for the wired operation.
  • An upper housing part 3 has, for the passage of the wiring harness 2, a line lead-through area 4, which is provided with a sealing element 5 and / or a sealing compound 6.
  • a sealing element 5 and / or a sealing compound 6.
  • the housing upper part 3 may have a module chamber attached or molded onto it for receiving a communication module. This module chamber can be omitted if the
  • the foot control element 7 is arranged with the cover 8, wherein the cover 8 is suitably attached to the foot operating element 7, for example glued to this.
  • the attachment and storage of the foot actuator 7 is described below in connection with the descriptions of the remaining figures.
  • Fig. 2 shows the embodiment of the Rundfußschalters 1 of FIG. 1 in a perspective exploded view.
  • a base plate 9 is integral with switching element receptacles 10, pivot element receptacles 1 1,
  • Cable guides 12 and a pin 13 is formed.
  • Switching element receptacles 10 serve to receive the switching elements 14 connected to the cable set 2.
  • pivoting elements 15 are pivotally mounted.
  • a plunger 16 is guided through a central bore of suitable size by the pin 13 and rests on two concentrically arranged return springs 17 which are received at both ends in grooves of the base plate 9 and the plunger 1 6. The use of two return springs is used in the switch 1 shown only
  • an elastic seal 18 is inserted, which is additionally secured by a clamping ring 19.
  • the clamping ring 19 is together with the base plate 9 by means
  • the housing bottom 24 is fixed to the upper housing part 3 and closes this by means of a seal 25 tightly down.
  • a one-piece or multi-part base support 26 is mounted, over which the switch 1 rests on the ground, the unintentional slipping of the switch 1 difficult.
  • the ground support 26 three or more - not shown here - feet can be used.
  • the foot actuator 7 rests on the plunger 1 6 and is by means of a retaining screw 27 and a retaining cap 28 tiltably attached to the pin 13.
  • the retaining screw 27 and the retaining cap 28 are covered by the cover 8, which is fastened in the assembled state of the switch 1 in a suitable manner on theticianbefest Trentselement 7, for example glued to this.
  • Fig. 3 and 4 show a section through the Rundfußschalter 1 of FIG. 1 perpendicular to the outgoing line set 2 through the center of the defined by the switch contour circle.
  • the foot control element 7 may advantageously have an elastic stop element 29, which causes a full Kippauslenkung the foot actuator 7 that
  • Foot actuator 7 are protected from damage.
  • the pivot elements 15 are accordingly formed as a two-sided lever, wherein a first lever arm protrudes below an edge of the plunger 1 6 and a second lever arm acts on an operating knob of the associated switching element 14.
  • a substantially non-simultaneous switching can be achieved for example by different design of the pivot elements 15 in such a way that thereby a different path length of the plunger 1 6 is set to the intervention. In a preferred manner this can be done by
  • plunger and switch surface 34, 36 of a pivoting element 15 to each other and / or to the associated bearing axis 35 can be achieved.
  • the path length can be adjusted via adjusting elements in the tappet and / or switch surface 34, 36, for example via stop screws. The general operation of the actuator does not change by such measures.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

La présente invention concerne un interrupteur rond à commande au pied (1) ayant au moins un élément interrupteur (14) qui est actionné par le biais d'un coulisseau à déplacement linéaire (16) qui est couplé à un élément d'actionnement au pied (7) fixé de manière centrale et pouvant être basculé et coulissé. L'interrupteur rond à commande au pied (1) est caractérisé en ce qu'il comprend au moins un élément pivotant (15) qui collabore d'une part avec l'élément d'actionnement au pied (7) et, d'autre part, avec au moins un des éléments interrupteurs (14) qui est disposé à plat, au moins ledit élément interrupteur (14) étant disposé à plat.
PCT/EP2018/080802 2017-11-10 2018-11-09 Interrupteur rond à commande au pied Ceased WO2019092198A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017106831.5U DE202017106831U1 (de) 2017-11-10 2017-11-10 Rundfußschalter
DE202017106831.5 2017-11-10

Publications (1)

Publication Number Publication Date
WO2019092198A1 true WO2019092198A1 (fr) 2019-05-16

Family

ID=60579179

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/080802 Ceased WO2019092198A1 (fr) 2017-11-10 2018-11-09 Interrupteur rond à commande au pied

Country Status (3)

Country Link
CN (1) CN208045335U (fr)
DE (1) DE202017106831U1 (fr)
WO (1) WO2019092198A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114100944A (zh) * 2021-10-13 2022-03-01 广东夜太阳科技集团有限公司 一种使用效果好的喷泉系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6603334U (de) * 1969-05-22 1969-09-04 Grundig Emv Fussschalter fuer ein diktiergeraet
EP1998703B1 (fr) 2006-01-17 2014-08-20 DENTSPLY International Inc. Interrupteur au pied pour activer un appareil de traitement dentaire ou medical
CN105390309A (zh) 2015-10-29 2016-03-09 桂林市啄木鸟医疗器械有限公司 一种脚踏开关及其装配方法
CN205104381U (zh) 2015-09-16 2016-03-23 三实电器(漳州)有限公司 一种全方位驱动的圆形脚踏开关

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6603334U (de) * 1969-05-22 1969-09-04 Grundig Emv Fussschalter fuer ein diktiergeraet
EP1998703B1 (fr) 2006-01-17 2014-08-20 DENTSPLY International Inc. Interrupteur au pied pour activer un appareil de traitement dentaire ou medical
CN205104381U (zh) 2015-09-16 2016-03-23 三实电器(漳州)有限公司 一种全方位驱动的圆形脚踏开关
CN105390309A (zh) 2015-10-29 2016-03-09 桂林市啄木鸟医疗器械有限公司 一种脚踏开关及其装配方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114100944A (zh) * 2021-10-13 2022-03-01 广东夜太阳科技集团有限公司 一种使用效果好的喷泉系统

Also Published As

Publication number Publication date
CN208045335U (zh) 2018-11-02
DE202017106831U1 (de) 2017-11-17

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