JP2008148857A - Electric shaver and lotion tank - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a user to easily grip a body when feeding lotion to a shaving face by reducing the size of the body, and simplify the use operation by freely setting the feed position of the lotion. <P>SOLUTION: This electric shaver having a shaving blade 14 at the upper part of the body 10 incorporating an electric motor includes a lotion tank 18 detachably attached to the upper part of the body 10 and having its upper face lower than the shaving face 16 of the shaving blade 14, movable bodies 30 provided at the lotion tank 18, projecting from the upper face and energized in the projecting direction, and liquid feed valves 32 each guiding the lotion to the upper face of the movable body 30 at a push-in position of the movable body 30. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electric razor and a lotion liquid tank that automatically supply lotion liquid to a shaved surface by pressing a shaving blade against the skin.

  In an electric razor, it is widely used to use a lotion liquid (washing liquid, cosmetic liquid) when shaving. This lotion solution protects the skin and smoothes the shaving blade against the skin, improves the sharpness and shaving, prevents the skin from becoming irritated and rough, and improves the refreshing feeling. .

JP2003-9937 Special table 2002-514951

  In Patent Document 1, a flat lotion liquid tank is accommodated on the back of the main body (housing) of a reciprocating electric razor, and lotion liquid is drawn from the tank along the rear surface of the reciprocating shaving blade (the surface on the tank arrangement side). An applicator (supplying tool) is provided. In other words, the tank is flexible and is pressurized by a pressurizer (lotion supply mechanism) having a leaf spring, while the lotion liquid in the tank is discharged onto the shaving surface by opening a valve provided on the applicator. It is. Here, for example, a ball is rotatably held in the applicator, and the valve is opened by pressing the ball against the skin.

  Japanese Patent Application Laid-Open No. H10-228707 discloses a device in which a lotion liquid tank and a pump are integrated and detachable from a main body, and the pump is manually operated by a drive mechanism (button, lever) provided on the main body side. The lotion liquid is discharged from the tank onto the shaving surface by manually operating a pump (for example, a diaphragm pump).

  The thing shown by patent document 1 accommodates a flat tank in the back surface of a main body, and pressurizes this tank, Therefore There exists a problem that a main body becomes large-sized and it becomes difficult to hold and to operate. Also, since the position of the applicator is constrained above the tank, ie behind the shaving blade unit, depending on the shaving area of the skin (for example, in the area shaving on the front side of the shaving blade unit), lotion solution can be smoothly supplied. There is also a problem that it is difficult to do.

  Since the pump drive mechanism is provided in the main body of the device disclosed in Patent Document 2, the main body is enlarged, and an operation of manually pressing buttons and levers manually is necessary to operate the drive mechanism. Therefore, there is a problem that the use operation becomes complicated. In addition, although driving with an electric motor instead of a button or a lever can be considered, in this case, the main body is further enlarged.

  The present invention has been made in view of such circumstances, and when supplying lotion liquid to the shaving surface, the main body can be downsized and easily gripped, and the supply position of the lotion liquid can be freely set. The first object of the present invention is to provide an electric razor that does not require any special button or lever operation and can be used easily. It is a second object to provide a lotion liquid tank used for this electric razor.

  According to the present invention, a first object is an electric razor provided with a shaving blade on an upper portion of a main body incorporating an electric motor, and is detachably attached to the upper portion of the main body, and an upper surface of the electric razor is a razor blade. A lotion liquid tank lower than the shaving surface, a movable body that is provided in the lotion liquid tank and protrudes from the upper surface and is urged in the protruding direction, and a liquid supply that guides the lotion liquid to the upper surface of the movable body at the pushing position of the movable body And an electric razor characterized by comprising a valve. The second object is achieved by the lotion liquid tank used in the electric razor according to claim 1.

  The top surface of the lotion solution tank is slightly lower than the shaving surface of the shaving blade, and this tank can be attached to and detached from the top of the main unit. A feeling improves. Further, the lotion liquid is supplied from the upper surface of the movable body, while the movable body provided in the tank can be set to a free position within a range not interfering with the shaving blade, so that the degree of freedom in setting the lotion supply position is increased. Furthermore, the liquid supply valve opens when the movable body is pressed against the skin and the lotion liquid is automatically supplied to the upper surface of the movable body, so a drive mechanism (button or lever) for driving the pump is installed on the main body. There is no need to provide it. For this reason, the main body can be miniaturized and the use operation is not complicated.

  It is desirable that the movable body has a structure in which the lotion liquid is sucked up to the upper end by capillary action through a small hole or groove formed in the inside or the outer surface. For example, it is possible to form the entire movable body or the surface thereof with a porous material such as a nonwoven fabric, a felt shape, or a fiber, and suck up the lotion liquid by capillary action inside or on the movable body (Claim 2). Further, a gap between the outer peripheral surface of the movable body and the inner surface (sliding surface) of the housing portion of the movable body can be used as a flow path for the lotion liquid by capillary action. In this case, fine grooves may be formed on the outer peripheral surface of the movable body or the inner surface of the accommodating portion to promote the suction of the lotion liquid.

  The liquid supply valve can be a pump that guides the lotion liquid to the upper surface of the movable body by pushing the movable body. In this case, since the lotion liquid can be pushed up to the upper surface of the movable body by the pump, the lotion liquid can be supplied to the upper surface through a small hole provided in the movable body (without using a capillary phenomenon). However, the pump may send the lotion liquid to the lower part (or the valve chamber) of the movable body, and send from the lower part (the valve chamber) to the upper surface of the movable body by capillary action.

  The liquid supply valve may be opened by pressing (pushing down) the movable body to allow communication between the inside of the lotion liquid tank and the lower portion of the movable body (or the valve chamber). In this case, the lotion liquid below the movable body is guided to the upper surface of the movable body by capillary action.

  It is assumed that a plurality of rotary type shaving blades are provided, and the movable body can be arranged at a position facing between adjacent rotary blades, that is, in a substantially wedge-shaped region in plan view sandwiched between the outer circumferences of two rotary blades ( Claim 5). When three rotary type shaving blades are arranged at the apex position of the triangle, the movable body is arranged in a small rod shape (columnar shape) at a position facing between the adjacent rotary type shaving blades. (Claim 6). By dispersing a plurality of movable bodies on the shaving surface in this way, it is possible to prevent the lotion liquid application region from becoming non-uniform depending on the moving direction of the shaving blade.

  The movable body may have a shape other than a small-diameter rod. For example, a plate shape whose upper end is long in the horizontal direction (or parallel to the shaving surface) may be used. The plate-like movable body is suitable for a reciprocating shaving blade. That is, this movable body can be arranged in parallel with the reciprocating shaving blade.

  In the case where the shaving blade is a reciprocating shaving blade, the lotion liquid tank has a rectangular shape parallel to the reciprocating shaving blade and is disposed in parallel with the reciprocating shaving blade. The tank may be arranged on the front side (front side) or / and the back side (rear side) of the blade unit. When a plurality of reciprocating shaving blades are provided, the tank is sandwiched between the reciprocating shaving blades. But you can.

  In the case of having a plurality of rotary type shaving blades, the lotion tank should have an opening through which the shaving blade penetrates, and the upper surface (shaving surface) of the shaving blade should face upward from this opening. (Claim 8). In this case, the lotion liquid tank itself also serves as an outer blade cover surrounding the rotary shaving blade. The tank may be divided so as to face between adjacent rotary shaving blades (claim 9). In this case, the tank becomes a part of the outer blade case.

  The lotion liquid tank may be replenished with the lotion liquid (claim 10). In this case, a part of the tank can be used as a cover plate that can be opened and closed so that the cover plate can be opened and refilled. In addition, a tank for replenishing liquid and a refill plug are provided in the tank, and when the amount of lotion liquid in the tank decreases, these valves and refill plug are opened to replenish and fill. The lotion liquid tank may be disposable. That is, a cartridge exchange system for exchanging with a new tank is adopted (claim 11).

  1 is an external perspective view showing one embodiment of the present invention, FIG. 2 is a partially exploded perspective view thereof, FIG. 3 is a plan view of a lotion liquid tank, FIG. 4 is a sectional view taken along line IV-IV in FIG. FIG. 5A is an enlarged cross-sectional view of the pump, and FIG. 5A shows the time when the movable body is pushed, and FIG. 5B shows the time when the movable body returns.

  1 and 2, reference numeral 10 denotes a main body, and the main body 10 incorporates an electric motor, a battery, a control circuit, and switches. The upper part of the main body 10 is a shaving blade mounting surface 12 (FIG. 2) whose peripheral edge forms a substantially triangular shape.

  On the shaving blade mounting surface 12, three rotary shaving blades 14 are mounted at positions that are the apexes of the triangle. The shaving blade 14 has a substantially cylindrical shape protruding from the shaving blade mounting surface 12, and the upper surface thereof is a blade surface, that is, a shaving surface 16.

  Reference numeral 18 denotes a lotion liquid tank. As shown in FIGS. 2 and 4, the lotion liquid tank 18 is formed in a substantially triangular shape in plan view so as to cover the shaving blade mounting surface 12 of the main body 10, and has three cylindrical shapes through which the three shaving blades 14 pass. An opening 20 is formed. That is, the lotion liquid tank 18 also serves as an outer blade case surrounding the outside of the three shaving blades 14. In the state of FIG. 1 in which the lotion liquid tank 18 is attached to the shaving blade attachment surface 12, the upper portion of the shaving blade 14 slightly protrudes upward from the opening 20. That is, the upper surface 22 of the tank 18 is lower than the shaving surface 16 of the shaving blade 14, and when the shaving blade 14 is pressed against the skin, a sufficient pressing force is applied to the shaving surface 16 so that the shaving can be performed smoothly. ing.

  The inside of the lotion liquid tank 18 is a storage chamber 26 for the lotion liquid 24 except for the opening 20. That is, the upper surface of the tank 18 is a cover plate 28 excluding the opening 20. Three movable bodies 30 are attached to the lid plate 28 so as to be movable up and down and with an upward returning behavior. These movable bodies 30 are provided at positions facing the adjacent openings 20 from the outside, that is, in a substantially wedge-shaped region sandwiched between the inner arcs of the two rotary blades 14 in plan view. The movable body 30 is made of a porous material and has a small-diameter rod shape (columnar shape).

  4 and 5, the movable body 30 is integrated with a pump 32, and the pump 32 guides the lotion liquid 24 to the upper surface of the movable body 30 by pushing the movable body 30. In other words, the cover plate 28 is integrally formed with a cylinder 34 that extends into the lotion liquid storage chamber 26, and this cylinder 34 becomes a part of the pump 32. The cylinder 34 has a valve hole 36 on the bottom surface, and the upper end is open upward.

  A piston 38 is accommodated inside the cylinder 34 so as to be movable up and down. A piston ring 40 and an anti-vibration ring 42 are attached to a lower outer periphery and an upper outer periphery of the piston 38 as seal materials that are in sliding contact with the cylinder 34. The piston 38 has a partition 44 near the middle, and forms a lower valve chamber 46 below the partition 44 and an upper valve chamber 48 above. The partition wall 44 is provided with a check valve 56 that allows a flow from the lower valve chamber 46 to the upper valve chamber 48. At the bottom of the lower valve chamber 46, a check valve 52 that opens and closes the valve hole 36 to allow the flow from the lotion liquid storage chamber 26 to the lower valve chamber 46 is provided.

  The movable body 30 is fitted and fixed to a substantially cup-shaped receiving member 54 from above. The lower flange portion 56 of the receiving member 54 is engaged with the upper end of the piston 38 from above. The flange portion 56 also engages from below with a lock nut 58 screwed into the opening of the cylinder 34 from above. A coil spring 60 is mounted between the partition wall 44 of the piston 38 and the bottom surface of the cylinder 38. For this reason, upward recovery behavior is imparted to the piston 38, the receiver 54, and the movable body 30 by the coil spring 60. A liquid passage 62 communicating with the upper valve chamber 48 and the movable body 30 is formed in the receiver 54.

  Therefore, the movable body 30 is normally in the return position pushed upward by the coil spring 60 as shown in FIG. When the movable body 30 is pressed down against the skin, the piston 38 moves down together with the receiving member 54 while compressing the coil spring 60. Therefore, the lower valve chamber 46 is compressed, and the lotion liquid in the lower valve chamber 46 opens the upper check valve 50 and enters the upper valve chamber 48. When the pressure (pressing force) on the skin of the movable body 30 is released, the movable body 30, the receiving tool 54, and the piston 38 are pushed up by the coil spring 60. At this time, the upper valve chamber 48 is pressurized, and the lotion liquid therein is sent to the lower part of the movable body 30 through the liquid passage 62.

  At this time, since the lower valve chamber 46 is decompressed, the lower check valve 52 is opened, and the lotion liquid enters the lower valve chamber 46 from the lotion liquid storage chamber 26 through the valve hole 36. The pump 32 is repeatedly operated by the vertical movement of the movable body 30, and the lotion liquid is repeatedly supplied to the lower portion of the movable body 30.

  The movable body 30 is entirely made of a porous material, such as ceramics, nonwoven fabric, felt, fiber, etc., and the lotion liquid guided from the upper valve chamber 48 to the bottom surface of the movable body 30 through the liquid passage 62 is a capillary tube of the movable body 30. It is guided to the upper surface of the movable body 30 by the phenomenon.

  The tank 18 can be replenished with lotion liquid. For example, the lid plate 28 may be opened to fill the tank 18 with the lotion liquid. The tank 18 may be provided with a valve for replenishing the lotion liquid and a refill plug (not shown) so that the tank 18 can be replenished and filled with the lotion liquid at an appropriate time. Furthermore, the tank 18 may be replaced with a new tank, that is, a cartridge exchange system.

  FIG. 6 is an external perspective view of another embodiment, and FIG. 7 is a partially exploded perspective view thereof. In this embodiment, the lotion liquid tank 118 is divided into three parts. The upper part of the main body 110 is a shaving blade mounting surface 112 (FIG. 7) having a substantially triangular periphery, and three rotary shaving blades 114 are mounted at positions where the apexes of the triangle are formed.

  The three shaving blades 114 are covered with a substantially trifurcated outer blade case 100, and the shaving surface 116 of the shaving blade 114 protrudes from the outer blade case 100 and can contact the skin. A lotion liquid tank 118 having a substantially triangular shape in plan view is mounted on a trough portion of the outer blade case 100 that branches into a trifurcated shape. That is, each tank 118 is attached to the shaving blade mounting surface 112 so as to face between the adjacent shaving blades 114 from the outer periphery.

  On the upper surface of each tank 118, a movable body 130 that can be moved up and down and provided with an upward slidability is attached. Usually, the movable body 130 protrudes from the upper surface of the tank 118. The movable body 130 is integrated with a pump (not shown) having the same structure as the pump 32 shown in FIGS. For this reason, by pushing the movable body 130, the lotion liquid in the tank 118 is supplied to the upper surface of the movable body 130.

  FIG. 8 is a perspective view of a shaving head portion of another embodiment, and FIG. 9 is a sectional view of the lotion liquid tank. In the third embodiment, reciprocating shaving blades 214 and 214 are provided on an upper portion of a main body 210, and a rectangular box-shaped lotion liquid tank 218 is detachably sandwiched between the shaving blades 214 and 214. .

  The tank 218 is long in parallel with the shaving blade 214, and a plurality (three) of movable bodies 230 protrude from the upper surface thereof. The movable body 230 can be pushed downward. The movable body 230 is made of a porous material in a rod shape, and opens and closes a liquid supply valve 232 provided at the lower end thereof. That is, the movable body 230 is normally returned upward as shown on the left side of FIG. 9 by the return spring 260 and closes the valve 232, while the movable body 230 is pushed in, the valve 232 is moved as shown on the right side of FIG. open. Therefore, the lotion liquid in the tank 218 enters the lower part of the movable body 230 through the opened valve 232. Accordingly, the lotion liquid moves up the movable body 230 by capillary action and reaches the upper surface of the movable body 30.

1 is an external perspective view of Embodiment 1 of the present invention. Partially exploded perspective view of Example 1 Top view of lotion tank IV-IV sectional view in FIG. Expanded sectional view of the pump External perspective view of Example 2 Partially exploded perspective view The perspective view of the shaving head part of Example 3 Cross section of the same lotion tank

Explanation of symbols

10, 110, 210 Main body 14, 114 Rotary shaving blade 214 Reciprocating shaving blade 18, 118, 218 Lotion liquid tank 20 Opening 30, 130, 230 Movable body 32, 132 Pump (liquid supply valve)
232 Liquid supply valve

Claims (12)

In the electric razor with a shaving blade on the upper part of the main body containing the electric motor,
A lotion liquid tank which is detachably attached to the upper part of the main body and whose upper surface is lower than the shaving surface of the shaving blade;
A movable body provided in the lotion liquid tank and protruding from the upper surface thereof and biased in the protruding direction;
A liquid supply valve for guiding the lotion liquid to the upper surface of the movable body at the pushing position of the movable body;
An electric razor characterized by comprising:   The electric shaver according to claim 1, wherein the movable body is made of a porous material having at least a surface impregnated with a lotion liquid and guided to the upper surface thereof.   The electric shaver according to claim 1 or 2, wherein the liquid supply valve is a pump for guiding the lotion liquid to the upper surface of the movable body by pushing the movable body.   3. The electric shaver according to claim 2, wherein the liquid supply valve opens by pushing the movable body and guides the lotion liquid in the lotion liquid tank to the lower part of the movable body.   The electric shaver according to any one of claims 1 to 4, further comprising a plurality of rotary shaving blades, wherein the movable body is disposed at a position facing between adjacent rotary shaving blades.   It is provided with three rotary shaving blades arranged at the apex position of a triangle, and the movable body is in the form of a small-diameter rod, and a total of three movable bodies are arranged at positions facing adjacent rotary shaving blades. Item 5. Electric razor.   The electric shaver according to claim 2, wherein the shaving blade is a reciprocating shaving blade, and the lotion liquid tank is a rectangle that is long in a direction parallel to the reciprocating shaving blade.   The electric shaver according to claim 5 or 6, wherein an opening through which the rotary shaving blade passes is formed in the lotion liquid tank.   The electric shaver according to claim 5 or 6, comprising a plurality of rotary shaving blades, wherein the lotion liquid tank is divided so as to face between adjacent rotary shaving blades.   The electric shaver according to any one of claims 1 to 9, wherein the lotion liquid tank can be replenished with the lotion liquid.   The electric shaver according to any one of claims 1 to 9, wherein the lotion liquid tank is replaceable with a new one filled with the lotion liquid.   A lotion liquid tank used for the electric razor according to claim 1.

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