JPH0342585Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electric appliance with a switch handle, such as an electric shaver.

Conventionally, a housing is divided into two parts, an engagement hook is provided protruding from one of the pair of housings, an engagement piece having an engagement hole is provided on the other, and the engagement hook is inserted into the engagement hole. 2. Description of the Related Art Electrical equipment is known in which a pair of housings that are divided into two parts are combined by engaging each other.
However, in such a device, an external force is applied to the housing while the pair of housings, which are divided into two halves, are combined by engagement between the engagement hole of the engagement piece and the engagement hook, causing the engagement piece to move. There is a risk that the engaging hook may be bent or the engaging hook may become detached from the engaging hole.

The present invention was devised in view of the above points, and its purpose is to provide a simple structure in which the switch handle is attached to the main body case so that the engaging hook will not come off from the engaging hole even if an external force is applied. To provide electrical equipment with a switch handle that can be prevented.

The electrical equipment with a switch handle of this invention is
1 made of synthetic resin divided into two parts
The main body case is composed of a pair of housings, and an engagement hook is bored from one of the pair of housings, and an engagement piece having an engagement hole at the tip protrudes from the other housing, and the engagement The hook is engaged in the engagement hole from one side of the engagement piece, the switch handle is slidably attached to the main body case, and the regulating rib protruding from the back of the switch handle penetrates one housing and protrudes inside. and the regulating rib is placed close to and opposite to the side surface of the engaging piece opposite to the insertion side of the engaging hook,
By adopting such a configuration, the problems of the conventional example described above are solved and the object of the present invention is achieved.

Hereinafter, the present invention will be explained in detail based on illustrated embodiments. 1 to 6 show an embodiment of the present invention, which includes a drive element 3 for a direct drive (hereinafter referred to as DD) for reciprocating the inner cutter 1 by sliding it on the inner surface of the outer cutter 2, and the drive element 3 for the direct drive (hereinafter referred to as DD), and A motor 4 disposed below the drive element 3 at a position shifted in parallel from the center of the child 3, and two batteries 6 disposed in parallel on the sides of this motor 4 with a partition wall 5 in between are connected to the main body case. The main case 7 is a synthetic resin molded product and is formed by a pair of half-shaped housings 12A and 12B. The housing 12A has three contact springs 13A, 13B,
13C is fixed in advance by a method such as heat sealing. The motor 4 connects its terminals to the motor housing 14 of the housing 12A through the contact springs 13A, 1.
It is stored and fixed in contact with 3C. Housing 1
2A has a click hook 33 and battery holding hooks 35A and 35B which can be bent freely by a notch 46.
has been formed. The contact spring 13C is the current-carrying metal plate 4
5, with boss holes 36A, 36B and boss holes 36A, 36B for fixing to the housing 12A.
A hook pressing projection 37 is formed between the two. Then click the contact spring 13C with the click hook 3.
3, the click hook 33 is pressed from behind by a hook presser projection 37. Contact springs 13A and 13B are connected to the housing 12
It is located opposite to the window portion 38 of A. The switch handle 26 is arranged so as to occupy approximately half of the front surface of the housing 12A. A housing 1 is provided on the back side of the switch handle 26 as shown in FIG.
A hook 27 that engages with the switch 2A, a mountain-shaped clicked portion 34, a switch spring holding crest 40, and a regulating rib 41 are formed. Here, switch handle 2
6 relative to the housing 12A, the tip of the contact spring 13A presses the switch spring retainer 40 and comes into contact with the end of the contact spring 13B, or conversely, the switch spring retainer 40 separates and the contact spring The switch is turned on and off when the tip of the contact spring 13A separates from the end of the contact spring 13B. An engagement hook 42 is provided at the center of the housing 12A, and when combined with the housing 12B, the engagement hook 42 engages with an engagement hole 43 at the center of the housing 12B. The switch handle 26 is attached to the housing 12 by a hook 27 as shown in FIG.
At this time, the regulating rib 41 of the switch handle 26 comes close to the engaging hook 42 and restricts the deformation of the engaging hook 42 in the disengagement direction. That is, the engagement hook 42 is engaged in the engagement hole 43 from one side of the engagement piece 44 as shown in FIG. Engagement hook 42
are placed close to each other on the side opposite to the insertion side. Therefore, when the pair of housings 12A and 12B, which are divided into two parts, are combined by the engagement between the engagement hole 43 of the engagement piece 44 and the engagement hook 42, an external force is applied to the housing, causing the engagement hook to close. 42 tries to come off from the engagement hole 43, the regulating rib 4
1 prevents the engagement hook 42 from coming off the engagement hole 43. That is, the external force that causes the engagement hook 42 to disengage from the engagement hole 43 is applied to the housing 12B without causing the housing 12A to move.
When an external force in the direction of arrow A in the figure is applied, when the housing 12B does not move and when an external force in the direction of arrow B in Figure 4 acts on the housing 12A, and when an external force in the direction of arrow B in Figure 4 acts on the housing 12A, There are three possible cases in which an external force in the direction of arrow A is applied to the housing 12B, but in all three cases, the regulating rib 41 hits the engagement piece 44 and the engagement hook 42 moves out of the engagement hole 43. This prevents it from coming off and ensures reliable engagement.

The motor 4 is provided with an eccentric balancer 15 and an eccentric shaft 16, and the eccentric shaft 16 is inserted into and engaged with the fitting hole of the DD driver 3. The driver 3 includes a bush 18 for attaching the inner cutter 1, the fitting hole 17 into which the eccentric shaft 16 is inserted and engaged, a leg 19 formed to be freely flexible in the reciprocating direction, and the driver. 3 itself into the main body case 7, and the fixing part 20 is press-fitted into the groove 21 of the housing 12A and is bent by both the housings 12A and 12B, so that it can be attached to the main body case 7. The driver 3 is fixed. Reference numeral 22 denotes an outer cutter frame, which is fixed to the upper end of the main body case 7 via a lock spring 23 and a lock button 24. The outer cutter 2 is fixed to this outer cutter frame 22. The inner cutter 1 is in sliding contact with the inner surface of the drive element 3, and the inner cutter 1 is fitted and connected to the bush 18 of the driver 3 via a dustproof cushion 25. A battery cover 8 is provided in the opening 9 formed in the lower half of the main body case 7 and in the lower side part continuous thereto.
When the opening 9 is opened by removing the battery, it opens to the lower part and lower side of the battery compartment 28 of the main body case 7.
The battery 6 is replaceable, and a shorting fitting 29 is fixed to the battery cover 8 by insert molding or heat sealing, so that when the battery cover 8 is attached to the main body case 7, the main body case The battery 6 inside the battery 7 is pressed and fixed by the battery cover 8. In addition, when attaching the battery cover 8 to the main body case 7, the groove-shaped locking receiver 11 provided at the lower side of the main body case 7 and the rib-shaped locking part 11 provided in the space corresponding to the lower part of the motor 4 are used. A hook-shaped locking piece 10 is attached to the locking receiving portion 11, respectively.
By locking 10, battery cover 8 is fixed to main body case 7. 30 in the figure is a protective cap, and this protective cap 30 is equipped with a brush 31 and a mirror 32.

When the batteries 6 are inserted into the opening 9 of the main body case 7 with the battery cover 8 removed, the positive and negative terminals of both batteries 6 come into contact with the contact springs 13B and 13C, respectively. When attaching the battery cover 8 to the opening 9 in this state, by sliding the battery cover 8 parallel to the bottom of the main body case 7, the locking pieces 10, 10 at both ends of the battery cover 8 are attached to the main body case. 7 side locking receivers 11, 11, thereby locking the battery cover 8 to the main body case 7, contact pressure is secured by the reaction force of the contact springs 13B, 13C, and a short circuit occurs. A circuit is formed via the metal fittings 29. In addition, when replacing the battery 6, by sliding the battery cover 8 parallel to the bottom of the main body case 7, the engagement between the locking piece 10 and the locking receiver 11 is disengaged, and the battery cover 8 is removed. It turns out.

In the present invention, an engaging hook is provided protruding from one of the pair of housings, and an engaging piece having an engaging hole at its tip is provided protruding from the other housing, and the engaging hook is engaged. A switch handle is slidably attached to the main body case and is engaged in the engagement hole from one side of the piece, and a regulating rib protruding from the back surface of the switch handle penetrates one housing and protrudes inward. Since the ribs are placed close to each other on the opposite side of the engagement piece from where the engagement hook is inserted, the pair of housings divided into two parts can be engaged by the engagement hole of the engagement piece and the engagement hook. If an external force is applied to the housing and the engaging hook tries to come off from the engaging hole while the housing is assembled in the
The regulating rib prevents the engagement hook from coming off the engagement hole. In other words, if the housing does not move and an external force in the direction of arrow A in Figure 4 is applied to the housing, the external force that tends to cause the engagement hook to disengage from the engagement hole will cause the housing to move in the direction of arrow B in Figure 4. There are three possible cases: when an external force acts on the housing, and when an external force in the direction of arrow B in Figure 4 acts on the housing and an external force in the direction of arrow A acts on the housing, but none of the above three cases is regulated. The ribs come into contact with the engaging piece and prevent the engaging hook from coming off the engaging hole, allowing for reliable engagement. In order to place the regulating rib for preventing disengagement of the switch handle in close opposition to the side surface of the engaging piece opposite to the insertion side of the engaging hook, in this invention, Since it protrudes from the back side, simply attaching the switch handle to the main case prevents the engagement hook that joins the two halves of the housing from disengaging from the engagement hole of the engagement piece. It is.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of the embodiment of the present invention, Fig. 2 is a perspective view of the switch handle of the above, Fig. 3 is a back sectional view of the same, Fig. 4 is a plan sectional view of the same, and Fig. 5 a. , b are sectional views taken along the line A-A in FIG. 3, showing the switch on and off, and FIGS. 6A and 6B are cross-sectional views showing the switch on and off.
It is a sectional view of B, where 7 is the main body case, 12A, 1
2B is the housing, 26 is the switch handle, 4
2 is an engagement hook, 43 is an engagement hole, and 44 is an engagement piece.

Claims (1)

[Scope of utility model registration request] The main body case is composed of a pair of housings made of synthetic resin that are split into two parts, and an engagement hook is bored from one of the pair of housings and is engaged with the tip from the other housing. An engaging piece having a hole is provided in a protruding manner, an engaging hook is engaged in the engaging hole from one side of the engaging piece, a switch handle is slidably attached to the main body case, and the engaging hook protrudes from the back surface of the switch handle. An electrical device with a switch handle, comprising a regulating rib that penetrates one housing and protrudes inward, and that the regulating rib is closely opposed to a side surface of an engaging piece opposite to the insertion side of the engaging hook.