JPS60874B2 - 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 is equipped with a trimmer mechanism, and the trimmer mechanism rotates and projects to perform the edge shaving function, and the trimmer mechanism is movable toward the net blade. Due to the mechanism, curly hair,
Preferably, the hair is shaved with a net blade while cutting long hair. However, in conventional electric razors with a trimmer mechanism, the operation button for the trimmer mechanism and the operation button for turning the power on and off are separate, making the assembly complicated due to the large number of parts and poor operability. Q: An object of the present invention is to eliminate the above-mentioned drawbacks and provide an electric razor with a trimmer mechanism that is easy to assemble and easy to use.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An electric razor with a trimmer mechanism according to the present invention will be described below with reference to the drawings.

In FIGS. 1 to 10, reference numeral 1 denotes a housing in which a power source such as a storage battery can be built-in, and a motor 2 is housed therein.
An outer cutter frame 4 holding an outer cutter, that is, a net cutter 3, is attached.

Further, a large convex window 8 consisting of large holes 6 and 4 and a hole 7 is formed on the front wall 5 of the housing 1.
Sliding grooves 9, 9 are provided on both sides of the small hole 7, and stepped portions 10, 10 are formed on the inner surface of the upper sides of the small hole 7.1
Reference numeral 1 denotes an inner blade that is slidably installed inside 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 reciprocate via a drive rod 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 lug pieces 20 that engage in the sliding grooves 9 of the housing 1 are provided on both sides 19, 19.
, 20 are provided protrudingly. Further, 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.
The lower part 24 is located between both side parts 19, 19 of 6, and rotating shafts 26, 26 are horizontally protruded from the lower part 24 and are pivotally supported in rattan holes 25 provided in the side parts 19, 19. There is.
Further, a torsion spring 27 is wound around one rotating shaft 26 and has one end fixed to the moving plate 16 and the other end fixed to the trimmer base 17.
A trimmer base 17 is provided so as to rotate and protrude relative to the trimmer base 17. Further, at the lower end of the trimmer base 17, there is a projecting piece 2 that is engaged with the engaging recesses 22, 22 of the moving plate 16.
8 and 28 projecting downward, and a fixed blade 29 having a blade portion bent in an L-shape at the tip is fixed.
Similarly, a movable blade 30 which is bent into an L-shape and has a slidable blade portion inside the blade portion of the fixed blade 29 is attached as is well known. The movable blade 30 is engaged with a trimmer drive element 31, and the trimmer drive element 31 itself is provided so as to be able to engage with the drive rod 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 are in contact with the protrusions 28 and 28 of the trimmer base 17, and define a recess 33 in which the enlarged portion 21 is received. , 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 portion 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. .

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
Therefore, when the lock protrusion 46 is a lock switch protruding from the through hole 47 of the switch button 39 and the lock protrusion 46 is pushed in against the spring force of the extrusion spring 45, the protrusion groove 48 formed in the recess 37 It is provided so that it can escape from the guide groove 49 and move within the guide groove 49.

50G, fixing pin 43 so as to close said recess 37,
43, the contact portion 41 of the switch electrode plate 42 when the switch button 39 is moved.
, 41, the connecting piece 51 has a contact portion on its inner surface that can make contact with the connecting piece 51,
51 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.
It is wired in a suitable manner 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 be seated on the stepped portions 10, 10' of the inner surface of the small hole 7 of the housing 1, and the entire upper part faces inward. A notch 54 is formed so as to be manipulated, and protrusions 55, 55 are formed at the bottom to 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.

Further, reference numeral 56 denotes a rotating shaft suspended within the housing 1, through which a ratchet wheel 57 and a star gear 58 are inserted, and a pressure spring 59 is wound around the rotating shaft. Rotating shaft 5 via pin 60
6, its ratchet surface 61 is opposed to the ratchet protrusion surface 62 of the star gear 58, and is provided so that it can 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. It is being

In this case, the ratchet surface 61 and the ratchet protrusion surface 62 are formed as one-way clutch surfaces. Further, a corner portion 64 is provided at the end of the rotating shaft 56, and is formed to be able to engage with an engagement square groove 65 of the housing 1, and is provided at both ends with spring support pieces 66, 66 attached to the housing, for example. is pressed and held by the recess 68 of the plate spring 67 to which it is fixed. 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 eccentric cam 13 and the drive rod 14, allowing normal shaving operation. Also switch board 3
2 upward, the moving plate 16 also has its engaging protrusions 35, 35 engaged with the engaging recesses 23, 23 of the moving plate 16, so that the guide tabs 20, 20
The trimmer base 17, which is guided through the moving grooves 9, 9 and moved upward, and is connected to the moving plate 16,
It moves from the position shown in the figure to the position shown in FIG. 8 and approaches the net blade 3. At the same time as the trimmer base 17 approaches the net blade 3, the trimmer driver 31 engages with the drive rod 14, and the movable blade 30 slides on the inner surface of the fixed blade 29. It can cut long beards and curly hair when shaving, improving the shaving effect. On the other hand, the second
If the switch button 39 is pushed inward at the position shown in the figure,
Since the notch 54 is formed in the switch plate 32, the upper part of the switch plate 32 begins to incline inward as shown in FIG.

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 itself 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 clockwise, and the projections 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,
In addition, since the trimmer base 17 is sufficiently difficult to use with respect to the net blade 3, the trimmer mechanism 15 can be used independently to realize the edge shaving operation. Further, while the spring force of the torsion spring 27 is applied to the trimmer base 17, the star gear 58 is connected to the ratchet wheel 57.
Since the trimmer base 17 and the star gear 58 are meshed to allow rotation in only one direction, even if a load is applied to the trimmer mechanism 15, the trimmer base 17 and the star gear 58 are reliably engaged without wobbling. In addition, press switch button 3 from the position shown in Figure 10.
9 further inward, the protruding piece 34 of the switch plate 32 hits the star gear 58, and the rotating shaft 56 is moved in the direction of the arrow X against the spring force of the leaf spring 67. The protruding piece 28 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 trimmer mechanism and the switch plate for turning on and off the power are connected via the engagement recess and the engagement protrusion. Therefore, it is possible to operate the trimmer mechanism and turn on/off the power with a single switch plate, which reduces the number of parts, improves ease of assembly, and makes it extremely easy to use. achieve the effect.

[Brief explanation of drawings]

FIG. 1 is a front view of an electric razor with trimmer base 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...6.
．． ．． Large hole, 7...4 Hole, 8...Large window, 9...Sliding groove, 10...Step, 11
...Inner blade, 12... Push-up spring, 13.
... Eccentric cam, 14... Drive rod, 15...
... Trimmer mechanism, 16 ... Moving plate, 17
...Trimmer base, 18...Important parts, 19...
...Side part, 20...Guide ear piece, 21...Ampullary part, 2
2... Recessed portion, 23... Engagement recessed portion, 24...
... lower part, 25 ... shaft hole, 26 ... rotating shaft, 27 ... ．． ...Torsion spring, 28...
Protruding piece, 29... fixed blade, 30... movable blade, 31... trimmer drive element, 32... switch plate, 33... recessed part , 34... Protrusion piece, 35... Engaging protrusion, 36... Button sliding window, 37... Recess, 38... Fixing pin, 39...Switch button, 40...Button part, 41...
...Contact part, 42...Switch electrode plate, 43...
Fixing pin, 44...Lock switch, 45...
Extruded spring, 46...Center projection, 47...Through hole, 48...Protrusion groove, 49...Guide race, 50...Switch cover, 51, 52...Connection piece, 53...・・・・・・
Hidden plate, 54... Cut portion, 55...
Projection, 56... Rotating shaft, 57... Ratchet wheel, 58... Star gear, 59... Pressing spring, 60... Fixing pin, 61 ...Ratchet surface, 62 ... Footchet protruding surface, 63 ... Fixed pin, 64 ... Corner, 65 ... Engagement square groove, 6
6... Spring support piece, 67... Leaf spring, 68...
・...Concavity. Figure 1 Figure 2 Figure 9 Figure 3 Figure 4 Figure 8 Figure 5 Figure 6 Figure 7 Figure 10

Claims (1)

[Claims] 1. In an electric razor having 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. The mechanism includes a trimmer base having a trimmer blade and a moving plate that pivotally supports the trimmer base and slides relative to the housing, the moving plate being engaged with a switch plate that slides within the housing, This electric razor with a trimmer mechanism is characterized in that the switch plate is slidable relative to the switch plate and is provided with switch means for turning on and off the power.