JPS6029511B2 - Electric razor with trimmer mechanism - Google Patents

Description

[Detailed description of the invention] The present invention relates to an electric razor with a trimmer mechanism.

This type of electric razor with a trimmer mechanism not only has a trimmer mechanism but also rotates and protrudes the trimmer mechanism to perform the edge shaving function, and the trimmer mechanism is movable toward the net blade. ,
Preferably, the device is configured to cut long hair and shave with a net blade. However, in conventional electric razors with a trimmer mechanism, the operation button that rotates and protrudes the trimmer mechanism and the operation button that turns the power on and off are separate units, which requires a large number of parts and is complicated to assemble. Ta.

Further, when the trimmer mechanism and the operation button for turning on and off the power are unified, the operation for turning on and off the power to drive the inner blade is not simple. SUMMARY OF THE INVENTION An object of the present invention is to provide an electric razor with a trimmer mechanism that eliminates the above-mentioned drawbacks and has good operability. The present invention will be explained below along with the drawings.
In FIGS. 1 to 10, reference numeral 1 denotes a housing having a built-in power source such as a storage battery, housing a motor 2, and an outer cutter frame 4 holding an outer cutter, that is, a net cutter 3, attached thereto.

Further, a large convex window 8 consisting of a large hole 6 and a small hole 7 is formed on the front wall 5 of the housing 1, and super-moving grooves 9, 9 are provided on both sides of the large hole 6. In addition, step portions 10 are formed on the inner surface of the upper portions of both sides of the small hole portion 7. 11
is an inner blade installed inside the net blade 3 so as to be able to slide on the net blade 3, and is pressed against the net blade 3 by a push-up spring 12 as is well known. It is provided so that it can be moved back and forth via a camphor tree 14.

Reference numeral 15 denotes a trimmer mechanism attached to one side of the outer cutter frame 4 as a whole obliquely with respect to the net cutter 3, and includes a moving plate 16 and a trimmer base 17.

The moving plate 16 has a large concave cutout 18 with a tapered bottom surface, and guide tabs 20 are provided on both sides 19, 19 to engage in the sliding grooves 9, 9 of the housing 1.
, 20 are provided protrudingly. In addition, the moving plate 16
An enlarged portion 21 is protruded from the lower back surface of the enlarged portion 21.
Concave portions 22, 22 are formed on both sides of the side portion 1.
Engagement recesses 23, 23 are provided on the lower back surfaces of the 9, 19. Further, the trimmer base 17 is connected to the moving plate 1.
6, the lower part 24 has a hole 25 provided in the side parts 19, 19,
Rotating shafts 26, 26, which are pivotally supported by 25, are horizontally protruded. Moreover, a torsion spring 27 is wound around one of the rotating shafts 26 and has one end locked to the moving plate 16 and the other end locked to the trimmer base 17, so that the trimmer base 17 rotates with respect to the moving plate 16. It is arranged to protrude. Further, protrusions 28, 28 are provided at the lower green end of the trimmer base 17 to protrude downward to be engaged with the recesses 22, 22 of the moving plate 16, and a blade bent into an L-shape is provided at the tip. A fixed blade 29 having a section is fixed, and a movable blade 30 which is similarly bent into an L-shape and has a slidable blade part inside the blade part of the fixed blade 29 is mounted in a well-known manner. The movable blade 30 is a trimmer drive element 3
1, and the trimmer drive element 31 itself is provided so as to be able to engage with the drive foot 14 during movement.

Reference numeral 32 denotes a switch plate that is slidably attached to the housing 1, and has a recess 2 of the moving plate 16 at its upper end.
2 and 22 and engages with the protrusions 28 and 28 of the trimmer base 17, protrusions 34 and 34 that define a recess 33 in which the enlarged portion 21 is received protrude upward, and the protrusions 34 , 34 are provided with engaging protrusions 35, 35 that engage in the engaging recesses 23, 23 of the moving plate 16.

Further, a button sliding window 36 is provided on the upper part of the switch plate 32.
A recess 37 is formed, and fixing pins 38, 38 are fixedly provided at the four corners of the recess 37. Reference numeral 39 denotes a switch button which is attached to the housing 1 so as to be movable up and down, and the button part 40 is provided so as to protrude from the button sliding window 36 and to be able to slide horizontally within the button sliding window 36. There is.

Further, on the back surface of the switch button 39, fixing pins 43, 43 are protrudingly provided to fix a switch electrode plate 42 having a pair of contact portions 41, 41. 44 is an extrusion spring 45
When the lock protrusion 46 is pushed in against the spring force of the extrusion spring 45 with the lock switch protruding from the through hole 47 of the switch button 39, the protrusion groove 48 formed in the recess 37 It is provided so that it can escape from the guide book 49 and move within the guide book 49.

50 is a fixing pin 38, 38 so as to close the recess 37.
a switch cover fixed to the switch button 3;
When moving the switch electrode plate 9, the contact portions 41, 4 of the switch electrode plate 42
Connecting pieces 51, 51 having a contact portion on the inner surface that can be contacted with 1
and 52 are attached.

The connecting pieces 51, 51 and 52 are connected to the power supply and the motor 2 when the switch button 39 is slid, respectively, and the motor 2 is connected to the power supply when the switch button 39 is slid.
The wires are suitably connected so that it can be driven. Further, on both sides of the upper part of the switch plate 32, there are expanded plates 53, 53 which can sit on the stepped portions 10, 101 on both sides of the inner surface of the small hole 7 of the housing, and the entire upper part extends inward. A notch 54 is formed, and protrusions 55, 55 are formed at the bottom that engage with and disengage from a protrusion (not shown) on the inner surface of the housing 1, and provide a click action when the switch plate 32 moves up and down.
is attached.

Furthermore, 56 is a rotating shaft suspended in the housing, into which a ratchet wheel 57 and a star gear 58 are inserted, and a pressure spring 59 is wound around it. It is fixed on the rotating shaft 56 via a pin 60, and its ratchet surface 61 is connected to the star gear 5.
The ratchet protruding surface 62 of No. 8 is opposed to the ratchet protruding surface 62 of No. 8, and is provided so as to be able to receive the spring force of a pressing spring 59 whose one end is locked to the fixing pin 63 so as to be able to engage with it.

In this case, the ratchet surface 61 and the ratchet protrusion 62 are formed as one-way clutch surfaces. Further, the rotating shaft 5
A corner 64 is provided at the end of the housing 1.
The plate spring 67 is formed to be able to engage with the square engagement groove 65 of the plate spring 67, and is pressed and held by a recess 68 of a plate spring 67 whose both ends are fixed to spring support pieces 66, 66 attached to the housing, for example. The operation of the present invention will be further explained.

If the button portion 40 of the upper switch button 39, which has been removed from the protrusion groove 48 by pushing in the lock protrusion 46, is slid within the button sliding window 36, the switch button 39 will move into the recess 37 of the switch plate 32. move horizontally inside the switch electrode plate 42 and switch cover 50.
The motor 2 is driven by contact with a suitable contact portion of the motor 2.

When the motor 2 is driven, the inner blade 11 is reciprocated on the inner surface of the net blade 3 via the offset cam 13 and the drive rod 14, allowing normal shaving operation. Furthermore, when the switch plate 32 is slid upward, the engaging protrusions 35, 35 of the moving plate 16 are engaged with the engaging recesses 23, 23 of the moopisog plate 16, so that the guide lug 20, 2
The trimmer base 17 connected to the moving plate 16 moves upward from the position shown in FIG. 2 to the position shown in FIG. be in close proximity. At the same time as the trimmer base 17 approaches the net blade 3, the trimmer drive element 31 engages with the drive axle 14 and the fixed blade 29
The movable blade 30 is slid on the inner surface, and the fixed blade 29
Also, the movable blade 30 allows you to have long beards when shaving,
It can cut curly hair and improve the shaving effect. On the other hand, if the switch button 39 is pushed inward at the position shown in FIG. 2, the upper part of the switch plate 32 will begin to incline inward as shown in FIG. 9 because the switch plate 32 has a notch 54. .

Further, if the switch button 39 is pressed down sufficiently, the protrusions 34, 34 of the switch plate 32 will be moved to the protrusions 28, 34 of the trimmer base 17.
28 and the trimmer base 17 is pivotally supported by the moving plate 16, so the trimmer base 17 is rotated counterclockwise around the rotating shafts 26, 26, and the star gear 58 is rotated. It is rotated clockwise and the protrusions 28, 28 are engaged between the teeth of the star gear 58 to reach the position shown in FIG. At this time, since the trimmer drive element 31 is engaged with the drive shaft 14, the movable blade 30 is slid on the inner surface of the fixed blade 29, and the trimmer base 17 is sufficiently spaced apart from the net blade 3, so that the trimmer mechanism 15 can be moved. It can be used independently to achieve a sharp shaving action. Further, while the spring force of the torsion spring 27 is applied to the trimmer base 17, the star gear 58 is meshed with the ratchet wheel 57 so as to be allowed to rotate only in one direction, so even if a load is applied to the trimmer mechanism 15, The trimmer base 17 and the star gear 58 are reliably engaged without any looseness. In addition, if the switch button 39 is pushed further inward from the position shown in FIG.
is moved in the direction of the arrow x, the protruding piece 28 of the trimmer base 17 is released from the star gear 58, and the trimmer base 17 is returned to the position shown in FIG. 2 by the spring force of the torsion spring 27.
According to the electric razor with a trimmer mechanism of the present invention configured as described above, the power can be turned on and off by simply moving the switch button in the horizontal direction, independently of the moving configuration of the trimmer mechanism. With this structure, it is easy to turn on the power and drive the inner blade on the inner surface of the net blade without moving the trimmer mechanism, and it is also possible to turn the power on and off even when the trimmer mechanism is moved. etc., it achieves remarkable effects such as an overall improvement in usability.

[Brief explanation of drawings]

FIG. 1 is a front view of an electric razor with a trimmer mechanism of the present invention;
FIG. 2 is a sectional view of the same, FIGS. 3 to 6 a and b are partially exploded perspective views of the same, and FIGS. 7 to 10 are explanatory views of the same operation. 1...Housing, 2...Motor, 3...Net blade, 4
...Outer blade frame, 5...Front wall, 6
...Large hole, 7...Small hole, 8...
...Large window, 9...Sliding groove, 10...
Stepped portion, 11... Inner blade, 12... Push-up spring, 13... Offset 0 cam, 14... Drive rod, 15... Trimmer mechanism, 16...Moving plate, 17...Trimmer base, 18...
Major cutout, 19... Side part, 20... Guide ear piece, 21...
... Ampulla, 22... Concavity, 23...
Engagement recess, 24... Lower part, 25... Shaft hole, 26... Rotating shaft, 27... Torsion spring, 28... Protrusion. Piece, 29... Fixed blade, 30... Movable blade, 31... Trimmer driver, 32... Switch plate, 33... Recessed part, 34...Protrusion piece, 35...Engagement protrusion,
36...Button sliding window, 37...Recess, 38...Fixing pin, 39...Switch button, 4
0...Button part, 41...Contact part, 42...
...Switch electrode plate, 43...Fixing pin, 44...Lock switch, 45...Extrusion spring, 46...Lock protrusion, 47... Through hole, 4
8... Protrusion groove, 49... Guide groove, 50... Switch cover, 51, 52... Connection piece, 53.
...Hidden plate, 54...Notch, 55.
... Protrusion, 56 ... Rotating shaft, 57 ...
・Ratchet wheel, 58...Star gear, 59...
... Push-up spring, 60 ... Fixing pin, 61 ... Ratchet surface, 62 ... Ratchet protrusion surface, 63 ...
...Fixing pin, 64...Corner, 65...
・Engagement square groove, 66...Spring support piece, 67...
...Plate spring, 68...Concavity. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 0

Claims (1)

[Scope of Claims] 1. In addition to using a trimmer mechanism, an inner cutter is slidably disposed on the inner surface of the net blade, the trimmer mechanism is provided so as to be close to the net blade, and the trimmer mechanism is provided so that it can be rotated and protruded. An electric razor with a trimmer mechanism, characterized in that the electric razor is equipped with a switch plate for moving the trimmer mechanism, and a switch button for turning on and off the power when sliding is slidably attached to the switch plate. 2. A switch button is provided to be movable in a direction different from the moving direction of the trimmer mechanism, and a switch electrode plate is attached to the switch button, and the switch button has a contact portion that can be contacted with a contact portion of a connecting piece connected to a power source. An electric razor with a trimmer mechanism according to claim 1.