JP2586774B2 - Tabletop electrical connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector for a tabletop used by attaching to a tabletop.

[0002]

2. Description of the Related Art Conventionally, as an electrical connector for a tabletop used by being mounted on a tabletop, an electrical connection having an outlet in a housing having an open upper surface and being attachable to a hole provided in the tabletop. 2. Description of the Related Art It is known to provide a cover for wearing a body and closing a top opening of a housing when not in use.

[0003]

However, in the above-mentioned conventional structure, there is a structure in which a cover for closing the upper opening of the housing is slid with respect to the housing or a structure in which the cover is undulated and mounted. In the former, the former has a disadvantage that extra space is required for sliding the lid plate, and in the latter, the lid plate is in an upright state and hinders the opening of the housing. There is a disadvantage that the insertion plug wider than the part cannot be connected.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned disadvantages of the prior art, the present invention has an upper surface opened,
And a housing having a first storage portion and a second storage portion which are provided with a flange on the outer periphery of the upper surface and which are arranged side by side in the surface direction,
A lid plate that is engaged with the first storage portion so as to be able to undulate and close the upper opening of the housing in a normal state and is stored in the first storage portion in an upright state, and is mounted in the second storage portion; And an electrical connector that leads the power cord to the outside, and supports the lower edge of the lid plate when provided in the housing and the lid plate is vertically stored in the first storage portion, and has a pressing action. Each time the cover plate is received, the lid plate is constituted by an operation mechanism that alternately operates between a first position where an upper edge thereof slightly protrudes from the upper surface of the housing and a second position where the upper plate sinks from the upper surface of the housing. In the above, the cover plate is opposite to the first storage portion side so that the cover plate can be easily pressed between the first position and the second position, and the cover plate can be easily pulled out from the first storage portion. An inwardly projecting piece is provided at the side edge. In addition, when water spilled on the table erroneously in the closed or open state of the lid plate and flows into the housing over the flange, the water does not migrate to the surface of the electrical connection body. At both end positions, contact portions formed to be lower than the upper surface of the housing corresponding to the thickness of the lid plate are provided, and the first surface is provided on the upper surface of the contact portion.
It is provided with a groove communicating with the storage section.

[0005]

When the housing is inserted from above into the mounting hole formed in the table board, the mounting is performed with the lower surface of the flange in contact with the upper surface of the table board. In this mounting state, when the upper surface of the side edge of the lid plate near the first storage portion is pressed downward, the lid plate is inclined upward. In this state, the lid plate is raised and stored vertically in the first storage portion. I do. Then, while the upper surface of the electrical connection body is exposed, the lid plate is supported by the operating mechanism,
Since the upper edge is held at the first position slightly protruding from the upper opening of the housing, when the upper edge of the lid plate is pressed from this state, it sinks from the upper opening of the housing and moves to the second position. Will be retained. Therefore, in this state, the insertion plug can be connected to the electric connection body. Next, from this state, when the upper edge of the lid plate is pressed again, the lid plate is moved to the second position by the operation of the operating mechanism.
Since it returns from the position to the first position, the upper edge of the lid plate is gripped, the lid plate is pulled out of the first storage portion, and the lid is turned down to close the upper opening of the housing.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below in detail with reference to the drawings. The present invention has a housing having two outlets and a horizontal rectangular electric connector 2 with a power cord 1 led out on the lower surface. An electric connector 2 having a body 3, a cover plate 4 for closing an upper opening of the housing 3, and an operating mechanism 5 for performing a retracting operation of the cover plate 4. It is known.

The casing 3 is formed of a rectangular cylinder having a rectangular cross section with upper and lower surfaces opened and a flange 6 provided on the outer periphery of the upper surface, and a table board A on both sides in the longitudinal direction. A first storage portion 9 and a second storage portion which are formed in a loose shape and outwardly engage with the mounting hole A ′ formed in the first storage portion, and which are arranged side by side in the short direction via a partition piece 8 therein. 10, each having a narrow first storage portion 9 for storing the lid plate 4 and a wide second storage portion 10 for mounting the electrical connection body 2, and Upper housing 3a having cutout recess 8a at the center of the edge
And a protrusion 12 that is joined to the lower surface of the upper housing 3a and fastened in the vertical direction by a mounting screw 11, and protrudes downward from the bottom surface, and a lead-out hole 13 that leads the power cord 1 to the outside. And a lower housing 3b having a bottomed rectangular cylindrical shape.

At both ends in the longitudinal direction of the second storage section 10, the upper surface is formed so that the thickness of the cover plate 4 is lower than the upper surface of the flange 6, and coincides with the upper surface of the partition 8. Receiving parts 14, 14 are provided. On the upper surfaces of the receiving parts 14, 14, the first storage part 1 extends in the short direction of the upper housing 3 a.
There are provided grooves 15 communicating with zeros.

The cover plate 4 is made of a plate piece having a size enough to close the entire upper surface opening of the upper housing 3a.
The lid plate 4 is engaged with the lower surfaces of both ends of the first storage portion 10 in the horizontal state at both end portions of the closer one side edge, and becomes the rotation center when the lid plate 4 is raised and lowered. A shaft pin 16 protrudes, a claw recess 17 is formed at the center of the surface of one side edge, and a center of the other side edge is formed at the center of the other side edge.
A protruding piece 18 protruding in the inner surface direction is provided.

The operating mechanism 5 engages with a long supporting rod 23 having leg pieces 20 and 21 suspended at both ends and a central portion, respectively, and a first pressing member by engaging the leg piece 21 at the central portion. A known operation switch (push / push switch) 2 which moves down by action to hold the lower position and move back to the upper position by the second pressing action
And the support rod 23 is vertically movably interposed in a guide portion 25 provided at a position of the lower housing 3b facing the first storage portion 10 provided in the upper housing 3a. The operation switch 24 is provided on the protrusion 1 provided on the lower housing 3b.
It is fixed at the central position in 2.

In the drawing, reference numeral 26 denotes a push holding the power cord 1 in the lead-out hole 13, 27 denotes an insertion hole for the mounting screw 11, and 28
When the lid plate 4 is stored in the first storage portion 9 in a vertical shape, it protrudes from the inner surface of the lid plate 4 to the left and right positions to prevent the lid plate 4 from rattling by contacting the vertical surface of the partition 8. The arcuate contact piece 29 is a ridge provided on the inner surface of the cover plate 4 that engages with the groove 15 when the cover plate 4 is closed.

When the housing 3 is inserted into the mounting hole A 'formed in the table board A from above, the locking piece 7 is locked on the lower surface of the table board A, and the lower surface of the flange 6 is connected to the table board A. A is attached in a state of being pressed against the upper surface of A. In this state, when the position of the depression 17 is pressed downward with a fingertip in FIG. 1 to open the cover plate 4 for electrical connection, the cover plate 4 is tilted upward as shown by the imaginary line in FIG. When the cover plate 4 stands up and is inserted into the first storage portion 9 as shown by the imaginary line in FIG. 2 by a finger, one side edge, that is, the lower side edge in FIG. Is held at a first position where the other side edge, that is, the upper edge in the figure projects slightly from the upper surface of the flange 6, that is, to the extent that it can be gripped by a finger, and the upper surface of the housing 3 is opened. , The outlet is exposed.

In this state, when the other side edge of the cover plate 4 is pressed downward, the operation switch 24 is moved downward through the central leg piece 21 of the support rod 23 to hold the lower position. The other side edge of the cover plate 4 almost coincides with the upper surface of the flange 6,
It is held in the second position, which is lower than that. Therefore, in this state, the insertion plug can be electrically connected to the outlet, and in this case, as shown by the imaginary line in FIG. 4, an insertion plug wider than the opening of the housing 3 can be connected. . If water spilled on the table board accidentally flows into the opening beyond the flange 6 with the cover plate 4 closed or opened, the lower portion of the water from the first storage portion 9 through the groove 15 is removed. It flows into the guide part 25 of the housing 3b.

Next, when closing the upper opening of the housing 3, the other side edge of the cover plate 4 is pressed downward at the position of the notch recess 8a to operate the operation switch 24. Then, the operation switch 24 returns to the upward movement position, so that the cover plate 4 also moves up together with the support rod 23 to be in the state shown in FIG. 3. In this state, the cover plate 4 is moved by using the projection 18. While lifting, it falls down on the upper surface opening of the housing 3 and closes the opening.

In the above-described embodiment, the case where the housing 3 is mounted on the table board A in a horizontal state is shown. However, the housing 3 can be mounted on a partition panel or the like in a vertical state.

[0016]

As described above, according to the present invention, the first storage portion for storing the cover plate and the second storage portion for mounting the electrical connection body are arranged side by side in the plane direction, and the first storage portion is provided in the first storage portion. An operation mechanism for operating the stored lid plate at a first position slightly protruding from the upper surface of the housing and a second position sinking from the upper surface of the housing is provided, so that there is no extra space required for opening the lid plate. By eliminating the need for space and holding the cover plate in the second position, the cover plate does not become an obstacle in use, and the electrical connection of the insertion plug wider than the upper opening of the housing is also achieved. According to the configuration of the third aspect, when water spilled on the table board accidentally flows into the upper opening of the housing over the flange, the contact portion can be used. The groove provided can prevent the migration to the surface of the electrical connection body, and the structure according to claim 4 can be used. According to this configuration, the operation of pulling out the lid plate from the first storage portion becomes easier, and according to the configuration of claim 5, the operation of pressing the lid plate at the second position of the lid plate becomes easier, and furthermore, the sixth embodiment According to the configuration, there is an advantage that rattling of the table board can be prevented in a state where the lid plate is stored in the first storage portion.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a state in which a cover plate is closed.

FIG. 2 is an overall perspective view showing a state in which a cover plate is opened.

FIG. 3 is an enlarged vertical sectional view showing a cover plate at a first position.

FIG. 4 is an enlarged vertical sectional view showing a lid plate at a second position.

FIG. 5 is a plan view of a lower housing.

FIG. 6 is a front view of a support rod.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 power cord 2 electrical connector 3 housing 4 lid plate 5 operating mechanism 6 flange 8 partition plate 8 a partition recess 9 first storage unit 10 second storage unit 14 receiving unit 15 groove 18 projection 20, 21, 22 leg 23 Supporting rod 24 Operation switch 28 Contact piece

Claims (7)

(57) [Claims] 1. A housing having an upper surface opened, a flange provided on an outer periphery of the upper surface, and a first storage portion and a second storage portion arranged in a plane direction inside the housing, and the first storage portion. At the position of the part to be able to undulate freely, close the upper opening of the housing in the normal state,
A lid plate stored in the first storage portion in an upright state;
An electric connection body mounted in the storage portion, and a power cord led out, and supports a lower edge of the lid plate when the lid plate is provided in the housing and is vertically stored in the first storage portion, Each time a pressing action is received, the lid plate is constituted by an operating mechanism that alternately operates between a first position in which the upper edge slightly protrudes from the upper surface of the housing and a second position in which the upper plate sinks from the upper surface of the housing. An electrical connector for tabletops, characterized in that: 2. A first storage portion and a second storage portion are separated by partition pieces, and formed at both ends of the second storage portion to be lower than the upper surface of the housing corresponding to the thickness of the lid plate. The electrical connector for a tabletop according to claim 1, wherein a contact portion is provided, and the upper edge of the partition piece and the upper surface of the contact portion are formed to be equal. 3. The electrical connector for a tabletop according to claim 2, wherein a groove communicating with the first storage portion is provided on an upper surface of the contact portion. 4. A side edge of the cover plate opposite to the first storage portion side,
The electrical connector for a tabletop according to claim 2 or 3, further comprising an inwardly projecting piece. 5. The electrical connector for a tabletop according to claim 2, wherein a notch recess is provided at the center of the upper edge of the partition piece. 6. The tabletop plate according to claim 2, wherein a contact piece is provided on an inner surface of the lid plate, the contact piece being in contact with a vertical surface of the partition plate while being stored in the first storage portion. Electrical connector. 7. An operating mechanism is disposed at a position below the first storage portion so as to be vertically movable, and has a leg on a lower surface to receive a lower edge of the lid plate in a vertical state. 7. The electrical connector for a tabletop according to claim 1, further comprising an operation switch for alternately controlling a first position and a second position of the lid plate.