JPH081739Y2 - Electric razor - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an electric shaver in which a hair tray is detachably inserted.

[Conventional technology]

As an electric shaver of this kind, for example,
As shown in Japanese Patent No. 691, a recess is formed on one side of the main body case, and the hair receiving tray is housed in this recess so that it can be inserted and removed freely, and the hair receiving tray always pushes the pushing force toward the outside of the recess. There is also provided a closing lock member which is provided with an elastic wire for adding the above-mentioned, and which is detachably engaged with the hair receiving tray in the stored state to stop and hold the hair receiving tray at the storage position. According to this, when the closing lock member is disengaged from the bristle tray, the bristle tray is automatically ejected to the outside of the recess by a predetermined stroke. It can be removed.

[Problems to be solved by the device]

However, when the bristle tray is vigorously driven out of the recess, hair debris may fly out of the bristle tray.
In particular, such fly-out of hair dust is likely to occur remarkably when the hair tray is fully filled with hair dust or when the pushing-out biasing force is set high in order to smooth the pushing-out operation.

In view of the above, the present invention aims to prevent hair dust from jumping out of the hair receiving tray by adding a damper means to the ejecting mechanism of the electric razor having the above-mentioned automatic pushing-out hair receiving tray. To do.

[Means for solving the problem]

In the present invention, for example, as shown in FIG. 1, a hair receiving tray 51 is housed in a recess 50 formed on one side of the main body case 1 so that the hair receiving tray 51 can be freely inserted and removed, and the hair receiving tray 51 is always pushed out toward the outside of the recess. An electric shaver having a pushing-out urging means 54 for applying a force, and a closing lock means 55 for releasably engaging the bristle tray 51 in the housed state to stop and hold the bristle tray 51 in the housed position. Based on the above, a damper means 61 is provided between the main body case 1 and the bristle tray 51 to damp the ejection movement of the bristle tray 51.

[Action]

In such a case, even when the hair receiving tray 51 is ejected by the urging force of the ejecting urging means 54 due to the unlocking by the closing lock means 55, the ejection movement is attenuated, so that the hair scraps may fly out from the hair receiving tray 51. Disappears.

〔Example〕

A case where an embodiment of the present invention is applied to a rotary electric shaver will be described with reference to FIGS. 1 to 10.

In FIGS. 3 and 4, the main body case 1 of this is shown.
The front and rear cases 1a and 1b are abutted against each other and integrally connected by screws or the like. A pair of front and rear circuit boards 2.2 and two rechargeable batteries 3 and 3 sandwiched therebetween are incorporated in the lower half portion of the main body case 1, and a power cord is provided at the bottom of the case. Fixed socket 4 that can be powered by
And a movable plug 5 for charging, which can be plugged into a wall outlet or the like, are selectively mounted.

A mesh-shaped outer blade 6 is provided on the upper part of the main body case 1 as an outer blade holder.
An inner blade unit 8 which is bent in an arch shape through 6a and mounted on the upper half of the main body case 1 supports a cylinder-shaped inner blade 7 horizontally and is vertically movable and pushes up. Equipped to the condition. Further, on the front surface of the front case 1a, a shaving blade unit 9 that can freely swing back and forth and a switch operation knob 10 that can slide up and down are arranged vertically.

The inner blade unit 8 has a cylindrical inner blade 7 formed by spirally forming a plurality of cutting blades 7a on the outer peripheral surface of the cylinder in the axial direction, and horizontally supports the inner blade unit 7 via a driven shaft 11. A set of left and right inner blade support frames 12, 13, a motor 14, and an inner blade driving mechanism 15 composed of a multistage gear group for transmitting the rotation of the motor 14 to the driven shaft 11, and the inner blade unit 8 as a whole is a main body case. It is supported by the upper and lower support members 16 and 17 so that it can move up and down.

In FIG. 3, the left and right inner blade support frames 12 and 13 are
The upper and lower walls 1c of the main body case 1 are vertically penetrated, and the lower ends of both frames 12 and 13 inside the main body case 1 are integrally connected by a bottom frame 18 to form a U-shape in front view as a whole. There is. Left and right inner blade support frame 12.
A bearing boss that rotatably supports the driven shaft 11 is provided at each upper end of 13.
12a and 13a are provided, and an inner blade drive mechanism 15 is attached to the inner blade support frame 13 on the right side.

Upper and lower plastic support members 16 and 17 are superposed on the bottom side of the bottom frame 18 of the left and right inner blade support frames 12 and 13 and are integrally connected by screws 19a and 19b. The motor 14 is fitted and supported in a vertically oriented posture on a cylindrical motor holder 20 integrally formed in the center of the lower support member 17. An output gear 22 fixed to an output shaft 21 protruding above the motor holder 20 from the upper end of the motor 14 is transmission-coupled to the inner blade drive mechanism 15. The inner blade drive mechanism 15 includes a bottom frame 18
A driving shaft 23 is rotatably supported between the inner blade supporting frames 12 and 13 above, and a gear 24 fixed to the central portion of the driving shaft 23 in the axial direction is meshed with the output gear 22 at a right angle to form a driving force. A gear 25 fixed to the shaft end of the shaft 23 is transmitted to a gear 26 fixed to the shaft end of the driven shaft 11 via a group of intermediate gears 27. The output gear 22 and the gear 24 are provided at the center of the bottom frame 18.
An opening 28 is formed so as to avoid contact interference with it.

An eccentric cam 30 is fixed below the output gear 22 of the output shaft 21, and the eccentric cam 30 and the shaving blade unit 9 convert the rotation of the eccentric cam 30 into a reciprocating motion of a movable shaving blade and transmit the shaving blade. It is transmission-coupled by the drive mechanism 31.

As shown in FIG. 3, the upper support member 16 has a pair of left and right elastically deformable arms 16a, 16a horizontally and integrally projecting outward, and the tips of the arms 16a are provided at the main body case. It is engaged with and fixed to an engaging recess 32 provided on the inner wall of the No. 1. The lower support member 17 is provided with a pair of left and right elastically deformable arms 17a and 17b horizontally and integrally protruding from the motor holder 20 outward in the left-right direction, and the tips of the arms 17a are attached to the inner wall of the main body case 1. Is engaged and fixed to an engaging recess 33 provided below the engaging recess 32.

As shown in FIG. 3, a spring 35 is interposed between the lower end surface of the motor 14 and a spring receiver 34 projecting from the inner wall of the main body case below this, and the entire inner blade unit 8 is provided with the spring 35. It is always pushed upwards.

In FIG. 3, FIG. 7 and FIG.
At the bottom of the plug, a plug outlet / inlet 36 is formed on one side surface thereof, and an operation groove 37 is formed on the bottom surface thereof. Plug exit
36 is openable and closable by a plug cover 38 that is vertically slidably mounted above the plug exit / entrance 36 on one side of the main body case 1. The corner of the main body case 1 on the side having the plug outlet / inlet 36 is formed in a curved cross-sectional shape rounded up and down and in the front-back direction, and the lower end of the plug cover 38 is also in the shape of the corner of the main body case 1. Correspondingly formed into a rounded shape. Therefore, even if the body case 1 is strongly gripped, the palm will not be damaged at the corner.

The movable plug 5 incorporated in the bottom of the main body case 1 has a pair of front and rear plug blades 39 and a blade base 40 integrally connected to the base ends thereof. The movable plug 5 has a plug blade 39
The plug blade projecting / retracting body 41 is inserted into the front end side of the, and the front and rear side surfaces of the blade base 40 are provided in the grooves 43 respectively provided in the pair of front and rear connecting frames 42 integrally extending from the plug blade projecting / retracting body 41. The pin 44 protruding from is engaged. Thus, body case 1
With respect to the inside of the bottom of the movable plug 5, the plug blade 39 is installed so that the tip side of the plug blade 39 faces the plug exit / withdrawal port 36, and the plug blade 39 and the connecting frame 42 straddle both front and rear sides of the fixed socket 4. . An operation knob 45 is attached to the bottom side of the blade base 40. The operation knob 45 is slidable in the operation groove 37 in the left-right direction integrally with the movable plug 5, and the operation knob 45 is attached to the groove 37. The recesses 46 and 47 provided at the left and right ends can be engaged and disengaged respectively.

As shown in FIG. 7 and FIG. 8, when the operation knob 45 is engaged with the recess 47 at the right end of the operation groove 37, the movable plug 5 has the plug blade 39 and the plug blade outlet / entrance body 41. Is in a state of being retracted and housed inside the plug outlet / inlet 36. Now, slide the plug cover 38 upward to open the plug outlet / retract opening 36, disengage the operation knob 45 from the recess 47 on the right end, and then slide it leftward along the operation groove 37, First, as shown by the chain double-dashed line in FIG. 7, the plug blade 39 projects from the plug blade outlet / inlet 41 and the plug outlet / inlet 36 until the pin 44 reaches the left end of the groove 43. Further, the operation knob 45 is set in the operation groove 37.
When it is slid to the left until it engages with the recess 46 at the left end, the plug blade outlet / entrance body 41 is connected to the plug blade 39 in that direction through the engagement between the pin 44 and the connecting frame 42. When pushed, the plug blade 39 protrudes from the plug outlet / inlet 36 by a predetermined protrusion amount as shown in FIGS. 9 and 10, and the plug blade outlet / inlet 41 also protrudes from the plug outlet / inlet 36. . When the plug blade protruding / retracting body 41 is in the protruding state, its flat tip surface 41
It is set so that a is in line with the straight line portion S that is continuous above the rounded portion R of the curved cross-section corner of the main body case 1. Therefore, even when the plug blade 39 is projected from the plug outlet / inlet 36 at the corner of the curved cross section at the time of charging, the tip surface 41a of the plug blade outlet / inlet 41 is connected to a wall C or other outlet C (two points in FIG. 9). (See the chain line) You can make a stable and reliable charging posture by interviewing. When the movable plug 5 is charged, the fixed socket 4 is closed by a socket cover 48 formed integrally with the bottom of the blade base 40. Further, in order to retreat the movable plug 5 to the inside of the plug exit and exit 36, the operation knob 45 is slid in the groove 37 until it engages with the recess 47 at the right end of the operation groove 37. Good.

1 to 4, a recess 50 is formed on the rear surface side of the upper portion of the main body case 1. The recess 50 is formed between the left and right inner blade support frames 12 and 13 of the upper wall 1c of the main body case 1 and the outer blade holder 6a. The hair tray 51 is housed in the recess 50 so that it can be inserted and removed with the upper surface of the upper wall 1c as a slide surface. The bristle tray 51 is located directly below the inner blade 7 of the inner blade unit 8 and stores the hair scraps falling from the inner blade 7.

On a part of the upper wall 1c, which is the inner bottom surface of the recess 50, a convex wall portion 1d having a square cross section is formed so as to protrude upward in order to avoid contact interference with the gear 24. On the other hand, a portion of the bottom of the bristle tray 51 corresponding to the convex wall portion 1d is formed in a raised bottom shape to form a recess 52. The bristle tray 51 has its recess 52 positioned above the convex wall portion 1d and guides the convex wall portion 1d so that it can slide in the recess 50 in the front-rear direction. Between the rear wall 53 and the upper wall 1c of the hair receiving tray 51, a pushing-out urging means 54 for constantly pushing out the hair receiving tray 51 to the outside of the recess 50 and for urging the hair receiving tray 51 is installed.
A closing lock means 55 for holding the 51 in the storage position is provided.

As the pushing-out urging means 54, a pair of left and right torsion coil springs 71 are used as shown in FIGS.
The arm 71a extending from one end of the coil portion of the spring 71 is fixed to the upper wall 1c, and the arm 71b at the other end is fixed.
Is brought into contact with the rear wall 53 of the hair tray 51.

Further, as the closing lock means 55, there are shown in FIGS.
As shown in the figure, an operation knob 56 is provided on the rear wall below the recess 50 of the main body case 1 so as to be vertically slidable, and the respective tips of left and right lock pieces 57 integrated with the knob 56 are opened in the upper wall 1c. Hole 58
Recessed on the bottom side of the bristle tray 51 projecting upward from the
It is detachable from 59. The operating knob 56 is a lock piece 57
At the same time, the return spring 60 constantly biases the protrusion upward.

The hair receiving tray 51 is provided between the hair receiving tray 51 and the upper wall 1c so that the hair receiving tray 51 will not be forced out by the urging force of the ejection urging means 54. As the damper means 61, as shown in FIGS. 1 and 5, a rack 62 is provided in a recess 52 on the bottom side of the bristle tray 51 in the front-rear direction, and a pinion that meshes with the rack 62 on the upper wall 1c side. 63 is provided. The pinion 63 is fixed to the shaft end of a pinion shaft 64 supported by a housing 65 fixed to the upper wall 1c. The housing 65 has a claw 65a, which is attached to the upper wall 1c.
It is fixed by engaging with a hole 72 provided in the housing 65, the inside of the housing 65 is filled with a high-viscosity body 66 such as silicon grease, and a blade 67 is provided at the end of the pinion shaft 64 in the high-viscosity body 66. Be prepared for one.

FIG. 1 shows a state in which the bristle tray 51 is housed in the recess 50. In this housed state, the lock piece of the closing lock means 55 is shown.
The tip of 57 is held by being engaged with the recess 59 in the bottom of the bristle tray 51. Locking means closed from this state
When the operation knob 56 of 55 is slid downward and the tip of the lock piece 57 is removed from the concave portion 59 of the bristle receiving tray 51, the bristle receiving tray 51 is pushed out of the concave portion 50 by a predetermined stroke by the urging force of the pushing-out urging means 54. It is automatically ejected (see the state of the chain double-dashed line in Fig. 1). At this time, the hair tray 51 meshes the rack 62 with the pinion 63 to rotate the pinion 63, but the rotation of the pinion 63 is braked and decelerated by the frictional force of the blade 67 with the highly viscous body 66. The displacement movement of the tray 51 will be attenuated. Therefore, even when the hair catching tray 51 is full of hair scraps, there is no problem that the hair scraps jump out of the hair receiving tray 51 when the hair catching tray 51 is driven out. The expelled bristle tray 51 is grasped by hand and completely pulled out from the recess 50 to discard the hair scraps.

After removing the hair debris, the hair tray 51 is pushed out into the recess 50 and is a biasing means.
The bristle tray 51 is held in a housed state by being pushed in against the urging force of 54 and causing the lock piece 57 of the closing lock means 55 to project upward and engage with the recess 59.

[Another embodiment]

11 to 15 show another embodiment of the present invention. In this embodiment, the upper wall 1c in the recess 50 of the main body case 1
By disposing the blind plate 75 between the hair receiving tray 51 and the bottom of the hair receiving tray 51, when the hair receiving tray 51 is completely removed from the recess 50,
Particularly different from the above-mentioned embodiment in that the damper means 61 and the like on the upper wall 1c are hidden so as not to be seen, and the inside of the recess 50 is easily cleaned after the hair receiving tray 51 is taken out. ing.

In FIG. 13 and FIG. 15, the blindfold plate 75 has a flat upper surface and slide pieces 76, 76 are integrally provided at the left and right ends on the lower surface side thereof, and left and right cross sections projected from the upper wall 1c. The slide piece is attached to the L-shaped guide rail 77/77.
A damper means 61 for installing a blind plate 75 on the upper wall 1c on the upper wall 1c by slidably fitting the 76 and 76,
The push-out biasing means 54, the convex wall portion 1d, etc. are all slidably attached to the front and rear in a state of being covered.

The damper means 61 has a pinion 63 in which the high-viscosity material 66 is filled in the housing 65 as in the above embodiment, and the pinion 63 is a left and right slide piece 76 on the bottom side of the blindfold plate 75.
The racks 62 formed in the front-rear direction between the racks 76 are meshed with each other.

The ejection biasing means 54 is a damper means as shown in FIG.
Coil springs 78 are placed on both the left and right sides of 61.
As shown in FIG. 11, it is interposed between a spring bearing 79 provided on the bottom side of the blindfold plate 75 and a spring bearing 80 protruding from the front case 1a.

Although the blindfolding plate 75 receives the pushing-out biasing force by the pushing-out biasing means 54, the blindfolding plate 75 has a predetermined stroke to the outside of the recess 50 (a position where the bristle tray 51 mounted thereon can be picked up from the recess 50). When it is driven out, the stopper 81 protruding from the middle portion of the slide piece 76 in the front-rear direction abuts on the stopper 82 protruding from the middle portion of the guide rail 77 in the front-rear direction so that it is stopped and held at this position. .

The bristle tray 51 is provided with slide pieces 83, 83 having an L-shaped cross section at the left and right ends on the bottom side, and the slide pieces 83, 83 are slidable on guide pieces 84, 84 provided at the left and right ends of the upper surface of the blindfold plate 75. Is fitted to the blindfold plate 75 so that the blindfold plate 75 can be inserted and removed in the front and rear directions. When the bristle tray 51 is completely inserted into the blindfold plate 75, the inside of the front wall of the bristle tray 51 contacts the front end of the blindfold plate 75 as shown in FIG.

Also, in this embodiment, the closing lock means 55 for the hair tray 51
The operation knob 56 is operated carelessly by the finger gripping the main body case 1 during shaving so that the hair tray 51 does not pop out. For this reason, the operation knob 56 is arranged so as to be biased to the left side of the rear surface of the main body case 1 and is slid laterally. That is, as shown in FIG. 12, the operation knob 56 is fitted in the hole 85 that is opened below the recess 50 of the rear case 1b to the left and slidably in the left-right lateral direction. Then, as shown in FIG. 14, a pair of upper and lower elastic arms 56a and 56b, which are flexible and deformable in the vertical direction, are integrally extended to the right from the right end of the inner end surface facing the rear case 1b of the operation knob 56. The upper elastic arm 56a is provided with a lock piece 57 that engages with the bottom side of the blindfold plate 75 in the closed state from the middle part of the elastic arm 56a so as to project upward, and from the part of the lock piece 57 to the lower right direction. The front end side formed obliquely to the side is in contact with the lower portion of the projection 86 projecting on the inner surface side of the rear case 1b. The rear case 1 is attached to the tip of the lower elastic arm 56b.
The left and right moderation protrusions 87a and 87b projecting on the inner surface side of b are provided with detachable protrusions 88.

In FIG. 14, the closed and locked state by the operation knob 56 is shown by a solid line, and the unlocked state is shown by a two-dot chain line. In the closed lock state, the lock piece 57 is engaged with the bottom side of the blind plate 75 in the closed state, and in this state, the protrusion 88 at the tip of the lower elastic arm 56b is located between the moderation protrusions 87a and 87b. It is held by engaging the position. When the operation knob 56 is slid to the right from this closed lock state until the protrusion 88 of the lower elastic arm 56b rides over the moderation protrusion 87b, the upper elastic arm 56a slides this tip side to the lower portion of the protrusion 86. While touching and moving to the right, it is bent downward, and with this bending, the lock piece 57 shifts to the lower right and the blind plate 75
It will come off from the bottom side of.

Now, slide the operating knob 56 to the right as described above to remove the lock piece 57 from the bottom side of the blindfold plate 75.
75 is ejected to the outside of the recess 50 while being provided with the bristle tray 51 by the urging force of the spring 78, while being damped by the damper means 61. The ejection of the blindfold plate 75 is stopped until the stopper 81 of the blindfold plate 75 contacts the stopper 82 on the upper wall 1c side, that is, at the position where the bristle tray 51 can be picked up from the recess 50. After that, the hair tray 51 is pulled out from the blind plate 75 by hand.

FIG. 16 shows still another embodiment of the present invention, in which the damper means 61 is composed of an air damper. That is, the damper means 61 comprises a cylinder 69 and a piston 70, a small air inlet / outlet hole 68 is provided at one end of the cylinder 69, and a rod 70a of the piston 70 is projected from the other end. The protruding end of the piston rod 70a is connected to the bristle tray 51 and is detachably fixed to the cylinder 69 and the upper wall 1c.

Further, in the above embodiment, the recess 50 is formed on the rear surface of the main body case 1 so as to open rearward and outward, but instead of this, the recess 50 is formed on another side surface of the main body case 1, for example, the main body. It may be formed on the front surface of the case 1 so as to open forward and outward.

It is needless to say that the present invention can be applied to, for example, a rotary or reciprocating electric shaver in addition to the rotary electric shaver.

[Effect of device]

According to the electric shaver of the present invention, the damper means 61 is provided between the body case 1 and the bristle tray 51.
When the hair receiving tray 51 is ejected by the ejecting urging means 54 by 61, the ejecting movement is damped, so that the hair receiving tray 51 also removes the hair scraps when the hair ejecting tray 51 is ejected.
It is advantageous that it does not pop out from the 51 and can remove dust without polluting the surrounding area.

[Brief description of drawings]

1 to 10 show an embodiment of an electric shaver according to the present invention. FIG. 1 is a vertical sectional side view of a main portion, FIG. 2 is an overall external perspective view, and FIG. 3 is a vertical sectional front view. Fig. 4 is a sectional view taken along the line IV-IV in Fig. 3, Fig. 5 is a sectional view taken along the line VV in Fig. 4, and Fig. 6 shows the hair tray and the upper portion of the main body case in a separated state. Fig. 7 is a perspective view, Fig. 7 is a vertical sectional side view of the bottom of the main body case, Fig. 8 is a sectional view taken along line VIII-VIII in Fig. 7, and Fig. 9 is a state in which the movable plug is projected according to Fig. 7. The sectional view shown in FIG. 10 is a sectional view taken along line XX in FIG. FIGS. 11 to 15 show another embodiment of the present invention. FIG. 11 is a vertical sectional side view of a main portion, FIG. 12 is an external perspective view showing a state in which the hair tray is pushed out, and FIG. FIG. 14 is a vertical sectional front view of a main part, FIG. 14 is an operation view of an operation knob of a closing lock means, and FIG. 15 is an exploded perspective view of the main part. FIG. 16 is a schematic sectional view showing still another embodiment of the present invention corresponding to FIG. 1 ... Main body case, 50 ... Recess, 51 ... Hair saucer, 54 ...
… Expulsion biasing means, 55 …… Close lock means, 61 …… Damper means.

Claims (1)

[Scope of utility model registration request] 1. A hair receiving tray (51) is detachably inserted into a recess (50) formed on one side of a main body case (1), and the hair receiving tray (51) is always pushed out toward the outside of the recess. A closing locking means (54) is provided which includes a pushing-out urging means (54) for applying a force, and engages and disengages with the bristle receiving tray (51) in a stored state to stop and hold the bristle receiving tray (51) at the storage position. An electric shaver including 55) is characterized in that a damper means (61) is provided between the main body case (1) and the bristle tray (51) for damping the displacement movement of the bristle tray (51). Electric razor.