JPH079527Y2 - Drawer type electric equipment moving device - Google Patents

Description

[Detailed description of the device] [Technical field to which the device belongs]

According to the present invention, the electric device or the movable frame is fixed between the electric device or a movable frame to which the electric device is fixed and the electric device or a fixed frame for housing the movable frame. By storing or drawing the frame into or from the fixed frame, the movable side contactor provided in the electric device and the fixed side contactor provided in the fixed frame are closed or opened, and the predetermined contactor is provided. The present invention relates to a drawer type electric device moving device for holding the electric device in an operating state or a non-operating state in a mutually closed position or an open position. In this type of moving device, it is desired that the structure thereof be as simple as possible and the labor required for moving the electric device be small.

[Prior art and its problems]

Generally, it is the ninth as a moving device of this type of drawer type electric equipment.
Known examples are shown in FIGS. That is, as shown in FIG. 9 and FIG. 10, the roller support plates 34 are fixed to both outer side surfaces of the electric device 1 so as to be horizontally housed or pulled out in the fixed frame 36, and the electric device is attached to the roller support plate 34. Two rollers 35 are provided in one moving direction, and the rollers can roll on a roller guide frame 48 fixed to both inner side surfaces of the fixed frame 36. Further, inside the fixed frame 36, a screw rod 41 is held by bearings 39 and 40 fixed to the bottom plate so that the tip of the screw rod 41 penetrates through the front and rear walls of the fixed frame 36 and protrudes to the outside. The nut 42 is screwed so as to be movable in the axial direction by the rotation of the screw rod. Further, a projection 42a is formed inside the nut 42 as illustrated in FIG. 12, and a cam support shaft 4 rotatably supported by a mounting base 48a of a roller guide frame 48 as illustrated in FIG.
A nut guide groove 47 is provided at one end of the cam 37 fixed to
And the inner end 42a of the nut 42 is
The inside of the groove can be moved in the axial direction of the groove.
Further, another cam 38 is symmetrically fixed to the cam support shaft 49 on the opposite side of the cam 37 across the electric device 1 as shown in FIG. 11, and the cam shaft 49 is sandwiched between the cams 37 and 38. A cam pin guide groove 45 is formed at the end opposite to the nut guide groove 47 as shown in FIGS. 9 and 10, and of the two pairs of rollers 35 held by the roller support frame 34 of the electric device 1. A cam pin 46 (FIG. 11) formed inside the shafts of the pair of rollers is configured to be movable in the cam pin guide groove 45 of each of the cams 37 and 38 in the axial direction of the groove. In the conventional drawer type electric apparatus moving apparatus constructed as described above, as shown in FIGS.
By attaching an operating handle 43 such as a tooth follower handle to one of the ends of the fixed frame 36 protruding outward from the front and rear walls of the fixed frame 36 and rotating it clockwise or counterclockwise, the screw rod 41 is screwed. The combined nut 42 moves axially back and forth according to the rotation of the screw rod 41, and the inner projection 42a of the nut 42 moves inside the nut guide groove 47 of the cam 37 in the axial direction of the groove as shown in FIG. Fixed to the cam support shaft 49 by
37 and another cam 38, which is symmetrically fixed to the opposite side of the cam, rotate at the same time around the supporting portion of the cam support shaft 49, and the inside of the cam pin guide groove 45 of the cams 37 and 38 is formed inside the groove. By moving the cam pin 46 along the edge from the back of the groove toward the exit, or from the exit of the groove toward the back,
In the cam pin 46, the roller 35 supported by the formed roller support shaft rolls while being horizontally guided on the upper surface of the roller support frame 41, so that the electric device 1 moves from the back of the fixed frame 36 toward the front. Or move in the opposite direction. As a result, as illustrated in FIG. 9, when the nut 42 comes to a predetermined position on the front side of the screw rod 41 when viewed from the side of the handle 43, the electric device 1 moves to the back of the fixed frame 36 and the electric device 1 The movable contactor 2 is closed with the fixed contactor 3 provided on the fixed frame 36, and the electric device enters the operating state. On the other hand, the handle 43 is rotated in the opposite direction to the above, and the nut 42 is screwed into the screw rod 41 when viewed from the handle 43 side as shown in FIG.
When it reaches the innermost predetermined position of the electric device 1, the electric device 1 moves to the front of the fixed frame 36, and the movable side contactor 2 of the electric device 1 is completely removed from the fixed side contactor 3 provided in the fixed frame 36. Then, the electric device 1 enters a non-operational state in which an independent test or the like can be performed. As described above, in the conventional moving device for the drawer type electric device, there is no problem in closing and opening the movable side contactor 2 of the electric device 1 and the fixed side contactor 3 provided on the fixed frame 36. However, since the movement of the nut 42 screwed to the screw rod 41 on the screw rod is slow, the nut 42 is moved by a predetermined distance so that the cams 37, 38 with which the nut 42 engages are moved at a predetermined angle. In order to rotate the movable contact 2 to close and separate the movable contact 2 and the fixed contact 3, the number of rotations of the handle 43 is significantly increased, which requires time and labor. In addition to the drawbacks, a screw rod 41 provided on the fixed frame 36, bearings 39, 40 and a nut 42 thereof, a roller 35 provided on both side surfaces of the electric device 1, and cams 37, 3 for driving the rollers.
8, the roller support plate 34, the roller guide frame 48 provided on the fixed frame 36 and its mounting base 48a and the like, the moving device of the electric device 1 is complicated and requires a lot of space, so that the fixed frame is large. There is also a drawback that the size of the device 36 in the direction perpendicular to the moving direction of the electric device tends to increase.

[The purpose of the device]

Closing the movable side contactor provided in the electric device and the fixed side contactor provided in the fixed frame by housing the electric device or a fixed movable frame of the electric device in the fixed frame or pulling out from the fixed frame. In view of the above-mentioned drawbacks of the conventional moving device for the draw-out type electric device adapted to be opened and closed, the present invention has a simple structure and requires a significantly reduced time and labor for moving the electric device. An object is to provide a moving device for an electric device.

[Key points of the device]

To achieve the above object, in the device of the present invention according to the present invention, a cam is provided at one end of a cam support shaft whose both ends are rotatably supported by a pair of fixed frame side movement guide means, and a cam is provided at the other end thereof. Cam gears having the required teeth on the periphery are fixed symmetrically to each other, and a gear is provided at a suitable position of the fixed frame so as to mesh with the teeth of the cam gear, and the gear is provided via an appropriate operating handle. The cam gear is rotated clockwise or counterclockwise so that the cam gear is rotated together with the cam support shaft, and the rollers of the horizontal cam pins provided on both outer side surfaces of the movable frame side movement guide means are respectively set as described above. By rolling along an appropriate guide groove formed in the cam and the cam gear, the cam pin is guided inside the cam pin guide groove formed in the fixed frame side movement guide means in the horizontal direction. By allowing the movable frame side movement guide means to slide back and forth in the horizontal direction along the fixed frame side movement guide means, the movable frame moves above the fixed frame from the predetermined contact closing position. It is designed to be movable to the predetermined contact opening position or vice versa.

[Example of device]

The present invention will be described in detail with reference to the embodiments shown in the drawings. In the drawer type electric device according to the present invention, as shown in FIGS. 1 to 6, a movable frame side movement guide body 6 provided on both outer side surfaces of a movable frame 4 to which the electric device 1 is fixed, and Corresponding to the above, the movable frame 4 is housed in the fixed frame 5 in combination with the fixed frame side movement guide bodies 9 provided on both inner side surfaces of the fixed frame 5 so that they can slide with respect to each other.
The pair of movable side contactors 2 provided in the and the corresponding pair of fixed side contactors 3 provided in the fixed frame 5 are closed to bring the electric device 1 into an operating state. From the closed position or when the movable frame 4 is pulled out from the fixed frame 5, the movable side contactor 2 is separated from the fixed side contactor 3 and is in a non-operating state such that an independent test of the electric device 1 is possible. The movable frame 4 can occupy any one of the predetermined separated positions of the contacts. At that time, the movable frame 4 is moved from the closed position of the predetermined contacts in the fixed frame 5 to the open position of the predetermined contacts.
Alternatively, in order to move it in the opposite direction, first the release of the locking device for holding the movable frame 4 on the fixed frame 5 at the closed position or the open position is a condition. In that case, the locking plate 21 for locking between the movable frame 4 and the fixed frame 5 as illustrated in FIGS. 6 to 8 is pulled up against the tensile force of the spring 25 by an appropriate means, and the closing is performed. Of the locking plate 21 that engages with both the movable frame side movement guide body 6 and the fixed frame side movement guide body 9 in the position or the separated position to lock the movable frame 4 to the fixed frame 5 in a locked state. The locking piece 21a is disengaged from the two movement guide bodies 6 and 9, and the movable frame 4 is released from the locked state with respect to the fixed frame 5. Thereafter, for example, in order to move the movable frame 4 from the closed position of the predetermined contacts to the fixed position of the fixed frame 5, the movable frame 4 is moved to the right side surface of the fixed frame 5 as illustrated in FIG. The operation handle 23 such as a tooth follower handle is attached to the hexagonal protrusion 22 formed on the shaft end of the support shaft of the supported gear 17, and the gear 17 is rotated clockwise, with the cam support shaft 12 as the center. A cam gear (10) fixed to a cam support shaft (12) together with a cam (11) and having teeth (19) at predetermined positions on its peripheral edge is rotated counterclockwise. As a result, the roller 8 (FIGS. 3 and 4) of the cam pin 7 fixed to the movable frame side movement guide body 6 of the movable frame 4 is formed in the arc-shaped roller guide groove 20 formed in the cam gear 10 and the cam 11. By rolling along the direction from the inner side toward the outlet side, the cam pin 7 moves inside the horizontal cam pin guide groove 13 provided in the fixed frame side movement guide body 9 of the fixed frame to the outside in the direction of the arrow shown. Just move it toward you. At that time, the locking plate 21 that interlocks with the cam 11 has a spring 25.
It is pulled upward by the pulling force (FIG. 6), and its locking piece 21a engages with the locking means formed on the movable frame side movement guide body 6 and the fixed frame side movement guide body 9 to move the movable frame. 4 and the fixed frame 5 are mutually locked at the opening positions of the predetermined contacts. Next, conversely, in order to move the movable frame 4 from the open position of the predetermined contacts to the fixed position of the fixed frame 5 to the closed position of the predetermined contacts, an operating handle as illustrated in FIG.
The gear 17 is rotated counterclockwise by 23, and the cam gear 10 is rotated clockwise so that the roller 8 rolls along the roller guide groove 20 from the outlet side toward the back. As a result, the cam pin 7 may be moved inward in the cam pin guide groove 13 in the illustrated direction. Also in this case cam 11
The locking plate 21 interlocked with is pulled upward by the pulling force of the spring 25, and the locking piece 21a is engaged with the locking means formed on the movable frame side movement guide body 6 and the fixed frame side movement guide body 9. Together, the movable frame 4 and the fixed frame 5 are mutually locked at the closed positions of the predetermined contacts.

[Effect of device]

As described above, the present invention is characterized in that the electric device or the movable frame to which the electric device is fixed and the appropriate mutual movement guide means provided between the electric device or the fixed frame for accommodating the movable frame, By closing or opening the movable side contactor provided in the electric device and the fixed side contactor provided in the fixed frame by storing or pulling out the electric device or the movable frame with respect to the fixed frame, In a moving device for a drawer type electric device, which holds the electric device in an operating state or a non-operating state at a predetermined closed position or open position of the contacts, a pair of the fixed frame side movement guide means. A cam support shaft whose both ends are rotatably supported on one end side, and a cam gear having required teeth on its periphery on the other end side, which are fixed symmetrically to each other. A gear is provided at a suitable position of the frame so as to be meshed with the teeth of the cam gear, and the gear is rotated clockwise or counterclockwise through an appropriate handle for operation so that the cam gear and the cam support shaft are rotated together. By rotating so that the rollers of the horizontal cam pins provided on both outer surfaces of the movable frame side movement guide means roll along appropriate guide grooves formed on the cam and the cam gear, respectively. The cam pin is guided by the fixed frame side movement guide means inside a cam pin guide groove formed in the horizontal direction, and the movable frame side movement guide means is horizontally moved back and forth along the fixed frame side movement guide means. The electric device or the electric machine for closing and opening the movable side contactor of the electric device and the fixed side contactor provided on the fixed frame by making it slidable. Since the transfer of the movable frame fixed on the fixed frame can be performed easily and in a short time by rotating the gear, the labor is remarkably reduced as compared with the conventional moving device of this kind. The operation time can be shortened, and the structure of the moving device including the gear, the cam gear, and the cam pin provided in the movable frame side movement guide means is simple and does not require a space. This has the effect of reducing the size of the fixed frame.

[Brief description of drawings]

1 and 2 are a schematic front view and a schematic side view showing a fixed movable frame of a drawer-type electric device equipped with a moving device according to the present invention and a fixed frame for housing the movable frame, respectively. 3 and 4 are a schematic front view and a schematic side view of the movable frame, and FIGS. 5 and 6 are a schematic front view and a schematic side view showing the fixed frame and a movable part of the moving device. 7 and 8 are a schematic side view and a schematic front view for explaining the operation of the moving device according to the present invention, and FIGS. 9 to 11 show a configuration of a conventional moving device for a drawer type electric device. FIG. 12 is a schematic horizontal sectional view and a schematic vertical sectional view for explaining the operation, and FIG. 12 is a perspective view showing the details of the operating portion of the moving device. 1: Electric device, 2: Movable side contactor, 3: Fixed side contactor, 4: Movable frame, 5: Fixed frame, 6: Movable frame side movement guide, 7: Cam pin, 8:
Roller, 9: fixed frame side moving guide, 10: cam gear, 11: cam, 12: cam support shaft, 13: cam pin guide groove, 17: gear, 18:
Gear teeth, 19: cam gear teeth, 20: roller guide groove, 22: hexagonal protrusion of gear support shaft, 23: handle for gear operation.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-55-153208 (JP, A) Actual development S51-11329 (JP, U) Actual publication S53-6026 (JP, Y1)

Claims (1)

[Scope of utility model registration request] 1. An electric apparatus or a movable frame to which the electric apparatus is fixed, and an appropriate mutual movement guide means provided between the electric apparatus or a fixed frame for housing the movable apparatus, the electric apparatus or the electric apparatus. By storing or pulling out the movable frame into or from the fixed frame, the movable side contactor provided in the electric device is closed or separated from the fixed side contactor provided in the fixed frame to make a predetermined contact. In a moving device of a drawer type electric device for holding the electric device in an operating state or a non-operating state in a closed position or a separated position of the mutual children, a pair of the fixed frame side movement guide means has both ends thereof. A cam is supported rotatably on one end of a cam support shaft, and on the other end of the cam support, a cam gear having peripherally required teeth is symmetrically fixed to each other. Together have been provided gear as meshing with the teeth of Mugiya, the are rotated clockwise or counterclockwise via a suitable operating handle the gear cam gear is in as to rotate together with the cam support shaft,
Rollers of horizontal cam pins provided on both outer side surfaces of the movable frame side movement guide means roll along appropriate guide grooves formed on the cam and the cam gear, respectively, whereby the cam pins are fixed. The movable guide means is guided inside the cam pin guide groove formed in the horizontal direction so that the movable frame guide means can slide back and forth in the horizontal direction along the fixed frame guide means. A moving device for a drawer-type electric device, which is characterized in that