JPH0321428Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Field of Use The present invention relates to a connecting device for connecting muntins and horizontal middle beams constituting a lattice attached to a transom or the like.

Prior Art A connecting device is known in which notches are formed in the muntin and the horizontal middle crosspiece, the notches are fitted into each other, and the two are secured with screws.

However, if this is done, the screws will be visible and the appearance will be unsightly, and the assembly work will be troublesome since the screws must be fixed.

Purpose of the invention It is an object of the present invention to connect a muntin and a horizontal middle crosspiece without using screws, and to prevent the muntin from being visually observed at the connecting part.

Structure of the device: A cutout is formed in the U-shaped horizontal center bar with upper and lower locking pieces and a protrusion, leaving the protrusion, and extending to the upper or lower locking piece, and the thickness is the same as the width of this cutout. The muntin, which has a rectangular cross-section, has a notch that opens on one side, and the notches are tightly fitted together, and horizontal covers are fitted and attached to the upper and lower locking pieces to open the other side of the muntin. something that comes into contact with.

Example Figure 1 is a front view of the transom, with upper and lower horizontal frames 1 and 2
A lattice 6 is attached within a picture frame 5 in which the left and right vertical frames 3 and 4 are connected in a rectangular shape.

This lattice 6 has a large number of muntins 9 connected between the upper and lower horizontal middle bars 7 and 8, and left and right vertical middle bars 10 and 10 are connected to the left and right ends of the upper and lower horizontal middle bars 7 and 8. As shown in Figures 2 and 3, each middle crosspiece 7, 8,
10, an attachment 12 fixed to the end of 10 with a screw 11
The recesses 1a, 2a, 3a of each forehead 1, 2, 3, 4,
It is installed by fitting it into 4a.

The upper horizontal middle crosspiece 7 has a vertical wall 7a and upper and lower horizontal walls 7b, 7.
c has a substantially U-shaped cross section opening toward the indoor side, and a screw hole 13 is integrally formed in the lower horizontal wall 7c over the longitudinal direction, and a projection 14 is integrally formed in the screw hole 13. It is located approximately at the center in the width direction of the upper horizontal middle crosspiece 7, and
A lower locking piece 15 is integrally formed at the tip of the lower horizontal wall 7c in the longitudinal direction, and an upper locking piece 17 is formed at the tip of the projection 14 of the upper horizontal wall 7b via a step 16 in the longitudinal direction. At the same time, a notch 18 is formed across the lower locking piece 15 and a part of the lower lateral wall 7c, and the depth L ₁ of this notch 18 is the same as that of the protrusion 14.
Until now.

The lower horizontal middle crosspiece 8 has a vertical wall 8a and upper and lower horizontal walls 8b, 8.
c, the cross section is approximately U-shaped with an opening toward the indoor side, and a screw hole 19 is integrally formed in the upper horizontal wall 8b in the longitudinal direction, and a projection 20 is integrally formed in the screw hole 19. It is located approximately at the center in the width direction of the lower horizontal middle crosspiece 8, and
An upper locking piece 21 is integrally formed at the tip of the upper horizontal wall 8b in the longitudinal direction, and a lower locking piece 23 is formed at the tip of the lower horizontal wall 8c via a step 22 in the longitudinal direction from the protrusion 20. At the same time, a notch 24 is formed across the upper locking piece 21 and a part of the upper horizontal wall 8b, and the depth L ₁ of this notch 24 is the same as that of the protrusion 20.
Until now.

In other words, the upper and lower horizontal middle beams 7 and 8 have a vertically symmetrical shape, and are attached by vertically inverting the same shaped members.

The muntin 9 is a long member with a rectangular cross section, including the inner and outer walls 9a, 9b and both side walls 9c, 9c, and the width _H1 is the width H of the upper and lower horizontal middle bars 7 and 8. ₂ , and the thickness _t1 is the notch 18,
24, and _upper and lower notches 25 and 26 are formed at the upper and lower ends of the muntin 9 and open to the outdoor side wall 9b.
The depth L ₂ of 6 is 1/2 of the width H ₁ of the muntin 9, and the height L ₃
are lower than the tip surfaces of the protrusions 14, 20, and the upper lateral walls 7c, 8
It is equal to the distance L ₄ to b.

30 and 31 are upper and lower horizontal covers, and vertical walls 30
a, 31a and upper and lower horizontal walls 30b, 30c, 31b,
31c, it becomes a U-shaped elongated member, and its upper and lower horizontal walls 30b, 30c, 31b, 31c have a shape and length that engage with the upper and lower locking pieces 17, 15, 21, 23 of the upper and lower horizontal middle bars 7, 8, respectively. It is attached to the upper and lower horizontal middle crosspieces 7 and 8 in a snap-fitting manner to cover the opening, and the lower and upper horizontal walls 30c and 31b abut against the indoor side wall 9a of the muntin 9.

Since it is like this, the upper and lower notches 25 of the muntin 9,
26 into the notches 18, 24 of the upper and lower horizontal middle bars 7, 8, the notches fit together and the muntin 9 and the upper and lower horizontal middle bars 7, 8 are connected, and the muntin 9 is It is positioned in the width direction by the protrusions 14 and 20 and is located at the widthwise center of the upper and lower horizontal middle bars 7 and 8.

After this, if the upper and lower horizontal covers 30 and 31 are fitted and attached to the open ends of the upper and lower horizontal middle beams 7 and 8 in a snap manner,
The muntin 9 is prevented from coming off, and the notch 1 is
Since it covers the indoor side wall 9a of the muntin 9 facing the muntins 8 and 24, the exterior is extremely clean and has a good appearance.

In other words, the upper and lower horizontal middle bars 7 and 8 and the upper and lower horizontal covers 3
0 and 31 form a middle crosspiece with a rectangular cross section, and the connecting part with the muntin 9 is not visible, and since the muntin 9 is located at the center of the middle crosspiece in the width direction, the appearance is good-looking.

The vertical crosspiece 10 has a horizontal wall 10a, an inner and outer wall 10b,
10c, it becomes a U-shape that opens on the indoor side,
A screw hole 41 having a protrusion 40 is integrally formed on the inner wall 10b, and an inner locking piece 4 is provided at the tip.
2 are integrally formed, and an outer locking piece 44 is integrally formed on the outer wall 10c via a step 43, and has the same cross-sectional shape as the upper and lower horizontal middle bars 7 and 8.

The inner and outer walls 10b and 10c of the vertical crosspiece 10
A notch 45 extends between the inner and outer locking pieces 42 and 43.
However, there is a notch 4 on the vertical wall 8a side of the upper and lower horizontal middle beams 7 and 8.
6 are formed facing each other up to the protrusions 40, 14, 20, and the notches 45, 46 are fitted together to connect the upper and lower horizontal middle bars 7, 8 and the vertical middle bar 10, and the vertical middle bars The vertical cover 5 is attached to the inner and outer locking pieces 42 and 44 of 10.
0 is fitted in a snap type.

The vertical cover 50 has a U-shape having a horizontal wall 50a and inner and outer vertical walls 50b and 50c, of which the outer vertical walls 50b and 50c are connected to the inner and outer locking pieces 42 and 44 of the vertical middle crosspiece 10. It is shaped to engage.

Because of this, the upper and lower horizontal middle bars 7, 8 and the vertical middle bars 10 can be easily connected.

Effects of the invention Notches 18, 2 of upper and lower horizontal middle crosspieces 7, 8 and muntins 9
Since the parts 4, 25, and 26 can be connected by tightly fitting each other, there is no need to use screws, and the appearance is good and the assembly work is easy.

Since the connecting portions of the muntins 9 are covered with upper and lower horizontal covers 30, 31, the appearance is neat and very good-looking.

In addition, since both ends in the longitudinal direction of the muntin 9 are located within the upper and lower horizontal middle bars 7 and 8 and do not protrude above and below the upper and lower horizontal middle bars 7 and 8, the appearance is improved.

Further, a screw hole 13 having protrusions 14, 20 on the lower horizontal wall 7c and the upper horizontal wall 8b of the upper and lower horizontal middle crosspieces 7, 8,
19 is integrally formed in the longitudinal direction, and the protrusions 14 and 20 are left to form notches 18 and 24, and the notches 25 and 26 of the muntin 9 are fitted into the notches 18 and 24. Since the projections 14 and 20 were tightly fitted, the projections 14 and 20 provided in the screw holes 13 and 19 were used even though both longitudinal ends of the muntin 9 were located within the upper and lower horizontal middle bars 7 and 8. Thus, the muntins 9 can be connected so as not to move in the longitudinal direction.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a front view of the transom, FIGS. 2 and 3 are longitudinal and cross-sectional views of FIG. 1, and FIG. 4 is an exploded perspective view. 7 and 8 are upper and lower horizontal middle bars, 9 is a muntin, 14 and 24 are protrusions, 15 and 23 are lower locking pieces, 17 and 21 are upper locking pieces, 18 and 24 are notches, and 25 and 26 are notches. Parts 30 and 31 are upper and lower horizontal covers.

Claims (1)

[Scope of utility model registration request] The vertical wall 7a and the upper and lower horizontal walls 7b, 7c form a U-shape, and upper and lower locking pieces 17, 15 are integrally formed at the tips of the upper and lower horizontal walls 7b, 7c, and a screw hole is provided with a protrusion 14 on the inner surface of the lower horizontal wall 7c. 13 are integrally provided in the longitudinal direction to form an upper horizontal middle crosspiece 7, and a notch 18 is formed extending to the lower locking piece 15, leaving a protrusion 14 on the lower horizontal wall 7c of this upper horizontal middle crosspiece 7. The vertical wall 8a and the upper and lower horizontal walls 8b and 8c form a U-shape, and upper and lower locking pieces 21 and 23 are integrally formed at the tips of the upper and lower horizontal walls 8b and 8c, and a protrusion 20 is provided on the inner surface of the upper horizontal wall 8b. screw hole 1
9 is integrally provided in the longitudinal direction to form a lower horizontal middle crosspiece 8.
The projection 20 is left on the upper horizontal wall 8b of the upper horizontal middle crosspiece 8, and a notch 24 is formed extending up to the upper locking piece 21.
Muntin 9 with a rectangular cross-section having the same width and thickness as 8 and 24
Cutouts 25 and 26 that fit into the projections 14 and 20, the lower lateral wall 7c, and the upper lateral wall 8b are formed on one side of both ends in the longitudinal direction.
5, 26 and the notches 18, 24 of the upper and lower horizontal middle bars 7, 8
The muntin 9 and the upper and lower horizontal middle bars 7 and 8 are connected by tightly fitting each other, and upper and lower horizontal covers 30,
A connecting device for a muntin and a horizontal middle crosspiece, characterized in that the muntin and the horizontal middle crosspiece are fitted and attached to the muntin and abutted on the other side surface of the muntin.