JPH0684929U - Battery holder with switch and portable electric tooth gap cleaning brush using the same - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a battery holder with a switch that can simplify the structure of the switch and easily improve the watertightness, and a portable electric interdental cleaning brush using the same. A battery holder 6 having conductivity, a lid member 7 detachably fixed to one end of the battery holder 6 in a substantially watertight manner, and a spring having conductivity attached to an inner space 9 of the lid member 7. The terminal 10 and the lid member 7 are attached to the lid member 7 in a direction substantially orthogonal to the axis thereof in a substantially watertight manner, engage with an intermediate portion of the spring terminal 10 to be electrically connected, and at least one end projects to the outer peripheral side of the lid member 7. To the outer peripheral side of the battery holder 6 from the holding portion 12a and the holding portion 12a, which are held by the connection terminal 11 and the outer peripheral portion of the lid member 7 and are pressure-contacted and electrically connected to the connection terminal 11. 6 and an electrically conductive switch member 12 having an elastic lever portion 12b extending with a predetermined gap.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a battery holder with a switch and a portable electric interdental cleaning brush using the battery holder.

[0002]

[Prior art]

 Various types of interdental cleaning brushes have been developed to remove plaque and food residues accumulated between teeth. For example, a so-called disposable type in which a synthetic resin filament is implanted in a steel wire to form a flocked body, and the steel wire portion of this flocked body is simply embedded and fixed in a short handle body, or a steel wire portion of the flocked body is used. Interstitial cleaning with a long shank portion by embedding and fixing it in a base made of constituent resin material to form a short replacement brush body, and detachably attaching this replacement brush body to the tip of a long holder. There is a so-called holder type in which a brush is constructed, and when the brush portion deteriorates during use, only the replacement brush body is replaced and the holder is continuously used.

Further, the applicant of the present invention, as the interdental cleaning brush, detachably attaches the interdental cleaning brush to one end of a substantially cylindrical holder member, and installs an electric motor in one end of the holder member to drive the electric motor. We have proposed various electric toothbrushes that fix an eccentric pendulum to the rotating shaft of a motor and apply vibration to the interdental cleaning brush via a holder member by the vibration generated when the eccentric pendulum rotates. As the switch structure of the electric interdental cleaning brush, for example, a switch structure used for a penlight is adopted, and as shown in FIG. 5, a cylindrical conductive cylinder capable of accommodating the battery 100 coaxially. A bottomed cylindrical lid member 102 made of an insulating material is detachably attached to one end of the holder member 101, and one end is inserted into the holder member 101 in a substantially cylindrical spring holder 103 mounted in the lid member 102. A spring terminal 104, which extends in a protruding shape and is pressed into contact with one of the electrodes of the battery 100 and electrically connected thereto, is attached to the outside of the lid member 102 through a gap 105 formed between one end of the spring holder 103 and the lid member 102. The other end of the spring terminal 104 is extended to be electrically connected to the base end of the switch lever 106 that also serves as a portable hook.

[0004]

[Problems to be solved by the device]

 By the way, the electric interdental cleaning brush is required to have sufficient water-tightness because it is used in a washroom, etc., but in the switch structure, the other end of the spring terminal is used for leading out to the outside of the lid member. Since the gap is formed between the spring holder and the lid member, it is difficult to ensure sufficient water tightness. Since the lid member and the spring holder are configured separately, the assemblability of the spring terminal is Although relatively good, there are problems such as an increase in the number of parts. An object of the present invention is to provide a battery holder with a switch that can simplify the configuration of the switch and easily improve the watertightness, and a portable electric interdental cleaning brush using the same.

[0005]

[Means for Solving the Problems]

 A switch-equipped battery holder according to claim 1 is a cylindrical battery holder that is capable of accommodating a battery coaxially and has electrical conductivity, and is fixed to one end of the battery holder and has one end opened into the battery holder. An insulating bottomed cylindrical lid member and one of the batteries housed in the inner space of the lid member and extending into the battery holder without at least one end contacting the inner wall of the battery holder and housed in the battery holder And a conductive spring terminal that can be electrically connected by being pressed against the electrode, and is attached to the lid member in a direction orthogonal to the axial center of the spring terminal, and is engaged with an intermediate portion of the spring terminal to be electrically connected. At the same time, at least one end of the connection terminal is projected to the outer peripheral side of the lid member, and the holding portion that holds the outer peripheral portion of the lid member and is pressed against and electrically connected to the connection terminal Battery to the outside of the battery holder A switch member having conductivity and a levers portion having elasticity extending at an outer peripheral surface with a predetermined clearance holder is those with. Here, as in claim 2, the connection terminal may be provided so as to penetrate the lid member, and both ends of the connection terminal may be pressed into contact with the holding portion to be electrically connected.

According to a third aspect of the present invention, there is provided a portable electric tooth-to-dental cleaning brush, which has a cylindrical battery holder that can accommodate a battery coaxially and has conductivity, and a removable water-tight one end of the battery holder. A bottomed cylindrical lid member having an insulating property and having one end opened inside the battery holder, and the inside of the battery holder is housed in the inner space of the lid member without at least one end contacting the inner wall of the battery holder. An electrically conductive spring terminal capable of being pressed into contact with and electrically connected to one electrode of the battery housed in the battery holder, and a spring terminal mounted on the lid member in a direction substantially orthogonal to the axial center thereof in a substantially watertight manner. A connection terminal that is electrically connected to the middle part of the cover and at least one end of which protrudes toward the outer peripheral side of the lid member, and the outer peripheral part of the lid member is held and pressure-contacted to the connection terminal to electrically connect the terminals. Connected to A conductive switch member having a holding portion and an elastic lever portion extending from the holding portion to the outer peripheral side of the battery holder with a predetermined gap between the outer peripheral surface of the battery holder and the battery holder; A vibration generating means having an electric motor fixed in the other end, where one powered terminal of the electric motor is electrically connected to the inner peripheral surface of the battery holder and the other powered terminal is housed in the battery holder. Generating means electrically connected to the other electrode of the fixed battery, an interdental cleaning brush having a flocked part and a shaft part fixed to one end of the flocked part, and the other end of the battery holder. And a holding member having a bottomed cylindrical holding portion capable of detachably holding one end of the shaft portion of the interdental cleaning brush, which is fixed by closing the opening in a substantially watertight manner.

Here, as in claim 4, the holding portion is provided with a first slit extending from one end of the holding portion to the vicinity of a rear end surface thereof and a second slit shorter than the first slit extending from one end of the holding portion. You may form.

[0008]

[Action]

 In the battery holder with a switch according to the first aspect, the spring terminal is first mounted in the housing space of the lid member, and then the connection terminal is assembled to the lid member in the direction orthogonal to the axis, and then the holder of the switch member is held. It is assembled by holding the holding part around the outer periphery of the lid member, assembling the switch member to the lid member, and fixing the lid member to one end of the battery holder with the battery loaded in the battery holder. Engages with the middle of the spring terminal to hold the spring terminal in the accommodating space and is electrically connected to the spring terminal, and the holding part has its inner surface pressed against at least one end of the connection terminal. The connection terminal is fixed to the lid member and is electrically connected to the connection terminal, and one electrode of the battery housed in the battery holder is connected to the switch member via the spring terminal and the connection terminal. It That. Then, when the lever part of the switch member is operated with a finger or hand and its tip is pressed against the outer peripheral surface of the battery holder, one electrode of the battery is electrically connected to the battery holder and the lever part causes the finger or hand to come into contact. When the lever is elastically returned by releasing, the tip of the lever part separates from the outer peripheral surface of the battery holder, and the electrical connection between one electrode of the battery and the battery holder is broken.

Here, in the present invention, the connection terminal is provided so as to penetrate the lid member, and both end portions of the connection terminal are pressed into contact with the holding portion to be electrically connected. The electrical connection with the holding part is made even more reliable, and the support structure for the connection terminal is greatly simplified.

In the portable electric interdental cleaning brush according to claim 3, the same operation as in claim 1 is obtained, and the vibration generating means having the electric motor is fixed in the other end of the battery holder, and the electric motor One of the power-supplied terminals is electrically connected to the inner peripheral surface of the battery holder, and the other of the power-supplied terminals is provided so as to be electrically connectable to the other electrode of the battery housed in the battery holder. A holding member that holds the interdental cleaning brush in a removable manner is fixed to the other end of the switch in a watertight manner. When pressed against the surface, one electrode of the battery is electrically connected to the battery holder and the electric motor is driven to rotate, and the vibration generated by the rotation of the electric motor is transmitted via the battery holder and the holding member. Interdental Transmitted to the cleaning brush. On the other hand, when you release your finger or hand from the lever part, the tip of the lever part separates from the outer peripheral surface of the battery holder, the electrical connection between one electrode of the battery and the battery holder is broken, and the electric motor is stopped. It

Here, in the fourth aspect, the first slit and the second slit formed in the holding portion enable the tip end portion of the holding portion to expand and contract in a relatively large radial direction, and thus the interdental cleaning. Even if there is some variation in the molding accuracy of the brush shaft, the shaft can be held firmly, the interdental cleaning brush can be reliably prevented from falling off, and the first slit is Since it is formed up to the vicinity of the back end face, it is easy to clean toothpaste and the like stuck in the back end of the holding part.

[0012]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, a portable electric interdental cleaning brush 1 includes a switch-equipped battery holder 3 having a built-in vibration generating means 2 and an interdental cleaning detachably attached to the left end of the switch-equipped battery holder 3. And a brush 4. The switch-equipped battery holder 3 will be described. As shown in FIGS. 1 and 2, a cylindrical battery holder made of a metal or synthetic resin material capable of accommodating a single battery 5 coaxially and having conductivity. 6 is provided, a bottomed cylindrical lid member 7 made of an insulating material is screwed to the right end of the battery holder 6, and a seal ring 8 is attached between the lid member 7 and the battery holder 6. The right end of the is closed in a substantially watertight manner via the lid member 7 and the seal ring 8.

A spring terminal 10 made of a conductive coil spring is mounted in the internal space 9 of the lid member 7, and the left end of the spring terminal 10 projects into the battery holder 6 without contacting the inner wall of the battery holder 6. The negative electrode of the battery, which is extended in a circular shape and is housed in the battery holder 6, is pressed against the left end of the spring terminal 10 to be electrically connected thereto. A horseshoe-shaped mounting groove 7a is formed on the outer peripheral portion of the right half portion of the lid member 7 extending to the outside of the battery holder 6, and a pin-shaped connecting terminal 11 is formed in a portion of the lid member 7 corresponding to the mounting groove 7a. The lid member 7 is mounted in a substantially watertight direction in the direction orthogonal to the axial center, both ends of the connection terminal 11 are slightly projected into the mounting groove 7a, and the connection terminal 11 is located in the lid member 7 in the middle of the spring terminal 10. And is electrically connected to the spring terminal 10, the spring terminal 10 is held in the internal space 9 of the lid member 7. However, the spring terminal 10 is held in a compressed state between the connection terminal 11 and the rear end surface of the lid member 7 so that the electrical connection between the connection terminal 11 and the spring terminal 10 is good. .

A switch member 12 having electrical conductivity capable of electrically connecting / disconnecting the connection terminal 11 and the battery holder 6 is provided over the battery holder 6 and the lid member 7, and the switch member 12 is provided. An approximately C-shaped holding portion 12a having elasticity capable of expanding the diameter is formed on the right part of the switch member 12, and the switch member 12 attaches the holding portion 12a to the mounting groove 7a and fixes the inner end surface of the mounting groove 7a. It is fixed to the lid member 7 by being held, and in this state, both ends of the connection terminal 11 are pressed against the inner peripheral surface of the holding portion 12a so that the switch member 12 is electrically connected to the connection terminal 11 and the lid. The connection terminal 11 is prevented from falling off the member 7. An elastic lever portion 12b extending from the holding portion 12a to the outer peripheral side of the battery holder 6 with a predetermined gap from the outer peripheral surface of the battery holder 6 is formed in the left half portion of the switch member 12, and is shown in FIG. As indicated by the line, by pressing the lever portion 12b with a finger or hand to press the tip of the lever portion 12b against the outer peripheral surface of the battery holder 6, the battery holder 6 and the connection terminal 11 are electrically connected, and the solid line in FIG. As shown by, the finger or hand is released from the lever portion 12b, and the left end portion of the lever portion 12b is separated from the outer peripheral surface of the battery holder 6 by the elastic force of the lever portion 12b. But the electrical connection is broken.

An electric motor 13 as vibration generating means 2 is provided in the vicinity of the left end of the battery holder 6, and the electric motor 13 is fixed to a predetermined position of the battery holder 6 via a sleeve 14 and a stopper ring 15. An eccentric weight 13b is fixed to a rotating shaft 13a of the electric motor 13, and one of the power-supplied terminals 16a of the electric motor 13 is pressed against the inner peripheral surface of the battery holder 6 to be electrically connected to the battery holder 6 at all times. The other power-supplied terminal 16b is provided so as to be electrically connectable to the positive electrode of the battery 5 housed in the battery holder 6.

As shown in FIGS. 1 and 3, a holding member 17 having a bottomed cylindrical shape is screwed into the left end portion of the battery holder 6, and a seal ring 18 is provided between the holding member 17 and the battery holder 6. The battery holder 6 is attached and the left end portion of the battery holder 6 is closed in a substantially watertight manner by the holding member 17 and the seal ring 18, and the shaft portion of the interdental cleaning brush 4 is provided on the left half portion of the holding member 17 extending outside the battery holder 6. A holding portion 17a capable of holding 4a is formed in a cone shape that shrinks toward the left end side, and the holding portion 17a has a pair of first slits 20 and a pair of second slits 21 arranged at equal intervals on the circumference. The first slit 20 is formed from the left end of the holding portion 17a to the vicinity of the inner end surface thereof, and the second slit 21 is formed from one end of the holding portion 17a to a middle portion of the holding portion 17a. However, the slits 20 and 21 may be formed in a number other than the above.

The interdental cleaning brush 4 includes a shaft portion 4a detachably attached to the holding portion 17a, and an interdental cleaning bristle portion 4b extending leftward from the shaft portion 4a, and the bristle portion 4b is made of steel. A synthetic resin filament is planted in the wire, and the right end of this steel wire is embedded in the left end of the shaft 4a and fixed to the shaft 4a.

Next, the operation of the portable electric interdental cleaning brush 1 will be described. The negative electrode of the battery 5 housed in the battery holder 6 is connected to the switch member 12 via the spring terminal 10 and the connection terminal 11, and one of the power-supplied terminals 16a of the electric motor 13 is provided on the inner peripheral surface of the battery holder 6. It is electrically connected, and the other power-supplied terminal 16b is pressed into contact with the positive electrode of the battery 5 housed in the battery holder 6 to be electrically connected, and the lever portion 12b of the switch member 12 is operated with a finger or a hand. When the left end of the battery holder 6 is brought into pressure contact with the outer peripheral surface of the battery holder 6, the negative electrode of the battery 5 is electrically connected to the battery holder 6 and the electric motor 13 is driven to rotate, and the electric motor 13 is driven to rotate. The generated vibration is transmitted to the interdental cleaning brush 4 via the battery holder 6 and the holding member 17. On the other hand, when the finger or hand is released from the lever portion 12b, the tip of the lever portion 12b is separated from the outer peripheral surface of the battery holder 6, and the negative connection of the battery 5 and the battery holder 6 is disconnected, and the electric motor 13 is stopped.

Since the battery holder 6 has a cylindrical shape, the lid member 7 and the holding member 17 can be fixed to the battery holder 6 in a substantially watertight manner by the seal rings 8 and 18 having a simple structure. Since the connecting terminal 11 having a simple pin-like structure can be adopted, the connecting terminal 11 can be easily fixed to the lid member 7 in a watertight manner, and water in the battery holder 6 or the like can be easily fixed. Of the electric motor 13 and the battery 5 are prevented from being corroded. One of the fed terminals 16a of the electric motor 13 is electrically connected to the inner peripheral surface of the battery holder 6, and the other fed terminal 16b is directly in pressure contact with the positive pole of the battery 5 housed in the battery holder 6. At the same time, since the battery holder 6 is configured as a part of the wiring of the power feeding system to the electric motor 13, the wiring of the portable electric interdental cleaning brush 1 is greatly simplified.

Since the spring terminal 10 and the connection terminal 11 are composed of separate members, it is not necessary to extend the other end of the spring terminal 10 to the outside of the lid member 7, and it is necessary to divide the lid member 7 into separate parts. There is no. Moreover, since the spring terminal 10 is held in the storage space 9 by the connection terminal 11, a separate structure for holding the spring terminal 10 is not required. Since the inner peripheral surface of the holding portion 12a is pressed against both ends of the connection terminal 11, the electrical connection between the two is improved. Further, since the spring terminal 10 is held in a compressed state between the connection terminal 11 and the back end surface of the lid member 7, the electrical connection between the connection terminal 11 and the spring terminal 10 is also improved.

Since the first slit 20 and the second slit 21 are formed in the holding portion 17a, the distal end portion of the holding portion 17a can be relatively expanded and contracted in the radial direction, and the shaft portion 4a can be formed. Even if there is some variation in accuracy, the shaft portion 4a can be firmly held, the interdental cleaning brush 4 can be effectively prevented from falling off, and the first slit 20 is attached to the rear end surface of the holding portion 17a. Since it is formed up to the vicinity, it is possible to easily clean the toothpaste and the like that have clogged the back end of the holding portion 17a.

The connection terminal 11 does not have to be provided in a penetrating manner with respect to the lid member 7, and only one end side may be projected into the mounting groove 7a. Further, both ends of the connection terminal 11 may be crimped to increase the contact area with the holding portion 12a. Alternatively, as shown in FIG. 4, the caulking formed by crimping both ends of the connection terminal 11 may be performed. A seal ring 25 may be mounted between the portion 11a and the lid member 7.

As an accessory of the portable electric interdental cleaning brush 1, a ring member that is externally fitted and attached to the battery holder 6 so as to be movable in the axial direction is provided, and the portable electric interdental cleaning brush 1 is not used. At times, this ring member may be arranged at a position corresponding to the lever portion 12b to prevent the lever portion 12b from accidentally coming into contact with the outer peripheral surface of the battery holder 6. Further, as an accessory of the portable electric interdental cleaning brush 1, a ring member for holding the lever portion 12 in a state where the left end portion of the lever portion 12 is in pressure contact with the outer peripheral surface of the battery holder 6 may be provided. In this embodiment, the present invention is applied to the switch-equipped battery holder 3 of the portable electric interdental cleaning brush 1, but the present invention can also be applied to a switch-equipped battery holder such as a penlight.

[0024]

[Effect of device]

 As described in detail in the section of the action, the following effects can be obtained. According to the switch-equipped battery holder according to claim 1, since the battery holder has a cylindrical shape, it is possible to easily ensure watertightness by providing an O-ring or the like between the battery holder and the lid member. It is possible to use a simple pin-shaped or plate-shaped structure, and it is possible to easily ensure the watertightness between the connection terminal and the lid member, and to configure the spring terminal and the connection terminal with separate members. Since the other end of the spring terminal does not need to be extended out of the lid member, the structure of the lid member can be simplified, and the holding portion of the switch member is pressed against the end portion of the connection terminal. There are advantages such as good electrical connection between them, the battery holder can be configured as a part of the wiring, and the wiring system can be greatly simplified. According to the second aspect, the electrical connection between the connection terminal and the holding portion can be made more reliable, and the support structure for the connection terminal can be greatly simplified.

According to the portable electric tooth-to-dental cleaning brush of the third aspect, the same effect as that of the first aspect can be obtained, and the lid member and the holding member are easily watertight to the battery holder by the O-ring or the like. Since one of the powered terminals of the electric motor is connected to the inner peripheral surface of the battery holder, and the other powered terminal is directly connected to the other electrode of the battery. It is possible to greatly simplify the wiring of the power supply system to the electric motor.

According to the fourth aspect, the first slit and the second slit formed in the holding portion enable the tip end portion of the holding portion to expand and contract in the radial direction relatively greatly, and the shaft of the interdental cleaning brush can be expanded. Even if there is some variation in the molding accuracy of the part, it is possible to firmly hold the shaft part, and it is possible to reliably prevent the interdental cleaning brush from falling off, and the first slit near the back end surface of the holding part. Since it is also formed, it is possible to easily clean the toothpaste and the like stuck in the back end part of the holding part.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a portable electric interdental cleaning brush.

2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a perspective view of a holding member.

FIG. 4 is an equivalent view of FIG. 2 in the vicinity of a connection terminal according to a modification.

FIG. 5 is a vertical cross-sectional view of a conventional switch structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Portable electric interdental cleaning brush 11 Connection terminal 2 Vibration generation means 12 Switch member 4 Interdental cleaning brush 12a Holding part 4a Shaft part 12b Lever part 4b Flocking part 13 Electric motor 5 Battery 17a Holding part 6 Battery holder 17 Holding member 7 Lid member 20 1st slit 9 Internal space 21 2nd slit 10 Spring terminal

Claims (4)

[Scope of utility model registration request] 1. A cylindrical battery holder capable of accommodating a battery coaxially and having conductivity, and an insulating bottomed cylinder fixed to one end of the battery holder and having one end opened in the battery holder. -Shaped lid member, and at least one end of which is housed in the internal space of the lid member extends into the battery holder without contacting the inner wall of the battery holder and is electrically pressed into contact with one electrode of the battery housed in the battery holder. An electrically conductive spring terminal that can be connected to the lid member, and is attached to the lid member in a direction orthogonal to the axial center of the spring terminal so as to be electrically connected by engaging with an intermediate portion of the spring terminal, and at least one end of the lid member on the outer peripheral side. To the outer peripheral side of the battery holder from the holding portion, which is electrically connected to the connection terminal by pressing the connection terminal and the outer peripheral portion of the lid member under pressure contact with the connection terminal. And a predetermined gap Only switch with the battery holder, characterized in that it includes a switch member, a having conductivity and a lever portion having elasticity extending. 2. The switch according to claim 1, wherein the connection terminal is provided so as to penetrate the lid member, and both ends of the connection terminal are pressed into contact with the holding portion to be electrically connected. Battery holder. 3. A cylindrical battery holder which is capable of accommodating a battery coaxially and is electrically conductive, and detachably fixed to one end of the battery holder in a substantially watertight manner, with one end opened in the battery holder. A bottomed cylindrical lid member having an insulating property, and one of a battery housed in the inner space of the lid member and extending into the battery holder without at least one end contacting the inner wall of the battery holder and housed in the battery holder An electrically conductive spring terminal capable of being pressed into contact with and electrically connected to the electrode, and attached to the lid member in a substantially watertight manner in a direction orthogonal to the axial center thereof, and engaging with an intermediate portion of the spring terminal for electrical connection. And at least one end of which protrudes toward the outer peripheral side of the lid member, and a holding portion which holds the outer peripheral portion of the lid member and is pressed against and electrically connected to the connection terminal from the holding portion. To the outer periphery of the battery holder A vibration generating means having a conductive switch member having an outer peripheral surface of the pond holder and an elastic lever portion extending with a predetermined gap, and an electric motor fixed in the other end portion of the battery holder. One of the supplied terminals of the electric motor is electrically connected to the inner peripheral surface of the battery holder, and the other supplied terminal is electrically connected to the other electrode of the battery housed in the battery holder. A vibration generating means, an interdental cleaning brush having a flocked portion and a shaft portion fixed to one end of the flocked portion, and an interdental cleaning brush fixed by closing the other end opening of the battery holder in a substantially watertight manner. A portable electric interdental cleaning brush, comprising: a holding member having a bottomed cylindrical holding portion capable of detachably holding one end of the shaft portion. 4. The holding section is formed with a first slit extending from one end of the holding section to a portion near a rear end surface thereof and a second slit shorter than the first slit extending from one end of the holding section. The portable electric interdental cleaning brush according to claim 3.