JPH074603Y2 - Hanging device for electric appliance test stand - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Use of the Invention) The present invention relates to an improvement of a hanging device for an electric appliance test cradle used when inspecting an electric appliance.

(Background of the Invention) Conventionally, when inspecting electric appliances such as watt-hour meters, the watt-hour meter is hung on the test rack and the terminal screws on the terminal panel of the watt-hour meter and the test rack are used. The test was conducted by bringing the contact piece of the contact unit provided in the above into contact, and applying a predetermined test current from the contact piece.

FIG. 4 is a cross-sectional view showing an example of a hanging device for an electric appliance test stand according to the above-mentioned conventional technique, and FIG. 5 is a front view of the example shown in FIG.

1 is a hanging panel, 2 is an electric meter, 3 is a terminal board having terminal screws (not shown), 4 is a hanging device, and the hanging device 4 is a frame member 5, a rod 6, and a spring 7. ,
It is composed of a hanging bolt 8 and a nut 9. Both ends 10 and 11 of the frame member 5 fixed to the hanging panel 1 are bent at right angles to form through holes 12 and 13, respectively.
Further, a vertically long guide hole 15 that overlaps the hole 14 provided in the hanging panel 1 is formed on the surface fixed to the hanging panel 1. The rod 6 is vertically movably inserted into the through holes 12 and 13, and is urged upward by a spring 7. On the rod 6, the hanging bolt 8 is attached to the hole 9 by the nut 9.
And, it is fixed by penetrating through the guide hole 15. The head 16 of the hanging bolt 8 projects from the surface of the hanging panel 1. Reference numeral 17 is a metal fitting provided behind the electricity meter 2.

In the conventional type as described above, the watt hour meter 2
When the hanging metal fitting 17 of the electric power meter 2 is engaged with the head 16 of the hanging bolt 8 and the electric energy meter 2 is hung by its own weight, the spring 7
While the rod 6 is being compressed, the rod 6 is also moved downward from the position indicated by the dotted line (6 ′) to perform the test. However, since a moving space for the rod 6 is required above and below the frame member 5, Including the moving space, the hanging device 4
Cannot be made small, and both ends 1 of the frame material 5
If the rod 6 projecting upward and downward from 0, 11 receives a force from other members during mounting and handling, it will be bent and lose its function. Furthermore, since the spring 7 is of a compression type, the spring installation length becomes long because it is necessary to secure the compression length, and there is a problem when a large space is required.

(Object of the Invention) The present invention solves the above-mentioned problems and provides a simple, small-sized, and robust device for hanging an electric appliance test cradle.

(Features of the Invention) In order to achieve the above-mentioned object, the present invention provides an outer groove member fixed to a rack panel and having a guide hole in the groove direction, and an outer groove member in the groove direction. It is slidably accommodated, and the sliding distance is set according to the length of the guide hole.
An inner sliding member to which a hanging member that is movably guided along the guide hole is fixed, one end engaged with the outer channel member, and the other end engaged with the inner sliding member, A spring that is attached so as to be extendable in the hanging direction of the electric appliance is provided, thereby guiding the movement of the inner sliding member by the groove shape of the outer groove member, and thereby the length of the inner sliding member. Is shorter than the outer channel member.

(Embodiment of the Invention) FIG. 1 is a sectional view showing an embodiment of the present invention.
The drawing is a front view of the embodiment shown in FIG.

1 is a hanging panel, 2 is an electric meter, 3 is a terminal board having terminal screws (not shown), 17 is a metal fitting for the electric meter 2,
They are similar to those shown in FIGS. 4 and 5, respectively.

In the hanging device 18 which is an embodiment of the present invention, the outer groove member 20 formed by press working or using a groove material and provided with vertically long guide holes 19 is used as the hanging panel 1
It is fixed with the groove direction up and down. The stand panel 1
A hole 21 that overlaps the guide hole 19 is provided in the.

An inner groove member 23 is vertically slidably accommodated in the groove 22 of the outer groove member 20, and a groove is formed at an upper end of the outer groove member 20.
The pin 24 is fixed orthogonally to the direction of 22, and the inner channel member
A similar pin 25 is fixed to the lower end of 23 as well. The pin
Both ends of the spring 26 are engaged with 24 and 25,
The inner groove member 23 is biased upward by the spring 26. The inner channel member 23 is provided with a groove 27 by a stopper 27.
It is prevented from coming off and the sliding motion in the vertical direction is allowed. 28 is a hole 21 of the stand panel 1 and a guide hole
A hanging bolt that penetrates 19 and is fixed to the inner channel member 23 by a nut 29. The head of the hanging bolt 28.
30 is projected from the surface of the stand panel 1. Inner channel member
As described above, the sliding distance and the sliding direction of the groove 23 are set by the guide hole 19 and the groove 22. And
By setting the sliding distance, the inner channel member 23 is prevented from protruding from the lower end of the outer channel member 20 during sliding, and at the same time, the test position of the watt hour meter 2 is also set.
The dotted line 30 'indicates the position of the head portion 30 of the hanging bolt 28 when the watt-hour meter 2 cannot be hung, and the inner groove member 23 is also attached to the hanging bolt 28. , Is pulled upward by a sprig 26.

In the hanging device 18 described above, the head 30 'and the hanging metal fitting 17 are provided.
When the watt-hour meter 2 is hung by the engagement with, the inner groove 23 with the hanging bolt 28 resists the upward tension of the spring 26 due to the weight of the watt-hour meter 2. It is pulled down a predetermined distance and slid until the watt-hour meter 2 is hung at its test position.

Since the above-described operation is performed while pulling the spring 26, it is not necessary to secure the compression length required for the sliding operation while compressing. Further, since the spring 26 and the inner groove member 23 are always accommodated in the groove 22 of the robust outer groove member 20 under no load condition or under load condition, they are damaged by the force from the outside. Rarely.

FIG. 3 shows a test stand 31 of the watt hour meter equipped with the hanging device shown in FIGS. Five watt hour meters 2 are hung on the upper stage, and no unit is hung on the lower stage. 32 is a protective plate mounted on the rack panel 1 on both sides of the hole 21 so that the watt-hour meter 2 can slide down on it, and 33 is a contact piece that comes into contact with the terminal screw of the terminal board 3. It is a contact unit that has. In order to insert and arrange the terminal board 3 between the hanging panel 1 and the contact unit 33, at the position of the head portion 30 'of the hanging bolt 28, the electric power meter 2
Is engaged with the hanging bolt 28 and moved downward to the position of the head portion 30.

(Correspondence between device and embodiment) The inner channel member 23 shown in FIGS. 1 and 2 corresponds to the inner sliding member of the present invention, and the hanging bolt 28 also corresponds to the hanging member of the present invention.

(Modification) Although the inner groove member 23 is used as the inner sliding member in the embodiment shown in FIGS. 1 and 2, the inner sliding member is not limited to the groove member, and is, for example, a cylindrical member including a spring 26. A member or the like can be used. Also, the head 30 of the hanging bolt 28
The stopper 27 can be omitted by the engagement of the hole 21 with the hole 21, and the inner sliding member 23 can be slid up and down.

(Characteristics of the Invention) As described above, according to the present invention, the outer groove member fixed to the rack panel and having the guide hole in the groove direction, and the guide hole in the outer groove member. A sliding distance is set according to the length, an inner sliding member is fixed to a hanging member that is movably guided along the guide hole, and one end is engaged with the outer groove member, Since the end is engaged with the inner sliding member and the spring is attached so as to be extendable in the hanging direction of the electric appliance, the hanging device can be made simple, small in size, and robust.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG.
FIG. 3 is a front view of the embodiment shown in FIG. 3, FIG. 3 is a front view of a test rack equipped with the embodiment shown in FIG. 1, FIG. 4 is a sectional view showing an example of a conventional type, and FIG. It is a front view of an example. 1 ... Stand panel, 2 ... Electricity meter, 3 ... Terminal board, 18
...... Hanging device, 19 ...... guide hole, 20 …… outer groove member, 22 …… groove, 23 …… inner groove member, 24,25 …… pin, 2
6 …… Spring, 28 …… Hanging bolt, 29 …… Nut, 30 …… Head, 31 …… Test stand.

Claims (1)

[Scope of utility model registration request] 1. A hanging device for an electric appliance test stand, comprising a guide hole and a hanging member for hanging an electric appliance to a predetermined test position by means of the guide hole. An outer groove member fixed to the base panel and having a guide hole in the groove direction, and slidably accommodated in the outer groove member in the groove direction, and slid according to the length of the guide hole. An inner sliding member to which the hanging member is fixed, which is set at a distance and is movably guided along the guide hole, and one end is engaged with the outer groove member and the other end is the inner sliding member. A hanging device for an electric appliance test stand, comprising: a spring engaged with a member and attached so as to be extendable in a hanging direction of the electric appliance.