JP2003119904A - Joint metal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint metal with an engaging/locking member preventing the displacement and slipping-off of a tabular joining section assembled to a joint element. SOLUTION: In the joint metal interposed between vertical lumber 10 and horizontal lumber 20, the joint metal has an inserting section I inserted into the flute M of the horizontal lumber 20, the tabular joining section J integrally connected at one end of the inserting section I and mutually opposed to the vertical lumber 10 and the plate-shaped joint element K previously fixed onto the vertical lumber 10. In the joint metal, the tabular joining section J is constituted so that the section J is positioned at the joint element K and the section J is joined with the joint element K by an approximately single operation by parallel displacement or a rotation to the vertical lumber 10. In the joint metal, the engaging/locking member 70 being abutted against the rear of the section J in the case of the parallel displacement of the section J, being elastically deformed and being retracted, being abutted against the upper edge of the section J by an elastic return after the completion of a joining and preventing the parallel displacement or the like of the section J is installed to the upper section of the joint element K.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical timber (pillar) side face to which an end face of a horizontal timber (beam) is abutted and fixed so that they cannot be displaced relative to each other. The present invention relates to a joint metal fitting interposed in.

[0002]

2. Description of the Related Art Regarding the connection of columns and beams of wooden houses,
Conventionally, hozo processing has been used, and metal fittings have generally been rarely used. However, this tends to cause insufficient joint strength,
There was a problem that it took a lot of time and labor to process the hozo. Therefore, various types of metal fittings, including metal fittings such as bolts and nuts, have been developed, and the method of using them together with the hoso has become popular.

Further, in order to further simplify the wood joining work and shorten the time, various kinds of joining fittings including plate-like fittings and pins, bolts, etc. have been proposed which are suitable for the omission of the hooks. .

FIG. 8 shows an example thereof, which is formed by pressing a thin steel plate into a U-shape.
Opposite parallel insertion parts I which can be inserted into two grooves M formed at the end of 0 and which are provided with notches 61, 61 and insertion holes 62, 62 for inserting the pin P on the upper side. ，
I and a joint portion J fixed to the side surface of the vertical wood 10 with bolts and nuts BN. Such a joining metal fitting is widely used because it is possible to join timbers that have been preliminarily processed in a factory like joining steel frames.

However, these plate-like metal fittings and pins,
For various joint fittings including bolts, (1) Vertical wood 1
Problems such as being easily damaged when attached to 0, (2) time and effort required to attach to the vertical wood 10, and (3) difficult to transport with the joining metal fitting attached to the vertical wood 10 There is a point.

The present inventor invented a joint fitting for solving such a problem, and filed a prior application (Japanese Patent Application No. 2001-2).
74965).

[0007]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The joining application filed previously is an insertion portion to be joined to a horizontal lumber, and a surface integrally joined vertically to one end of the insertion portion and facing the side surface of the vertical lumber. A plate-like joint having a plate-like joint fixed in advance to the side of the vertical wood, and the plate-like joint is positioned with respect to the joint, and then on the side of the vertical wood. By being moved in parallel or rotated with respect to each other, the joining to the joining tool is configured to be performed with almost one touch.

Therefore, the structure is simple and the joining is easy, and the joining time of the timbers at the construction site can be remarkably shortened, and all the above problems can be solved.

And, the joint fitting according to this earlier application is
In the embodiment, the engagement member (removal prevention piece) is formed on the upper part of the connector. This locking member prevents the plate-shaped joint part assembled to the joint tool from moving or slipping out by receiving an unexpected force, and is a member that plays an important role in the joint fitting. .

Therefore, an object of the present invention is to further improve the locking member so that the plate-shaped joint portion assembled to the joint tool can be prevented from slipping or coming off. It is to provide metal fittings.

[0011]

In order to achieve the above object, the joining metal fitting according to claim 1 of the present invention comprises a horizontal wood (20) on one side of a vertical wood (10). Of the horizontal wood (20) is inserted into a vertical groove (M) which is a joint metal fitting interposed between the two lumbers so that the end faces of the lumber are abutted against each other and are fixed so as not to be displaced relative to each other. And has a hole (62), and a pin (P) inserted from the side surface of the horizontal wood (20) penetrates the hole (62) to be coupled with the horizontal wood (20). ), And a plate-like joint portion (J) that is vertically integrally connected to one end of the insertion portion (I) and has a surface facing the side surface of the vertical wood (10), and the vertical wood (10).
A flat plate-like connector (K) fixed in advance to the side surface of the
And the plate-like joint portion (J) is positioned with respect to the joint tool (K), and then the vertical wood (10) is provided.
By being moved or rotated in parallel to the side surface of the joining tool (K), joining to the joining tool (K) is configured to be performed with a substantially one-touch operation. When the plate-shaped joint portion (J) is translated or rotated, the plate-shaped joint portion (J) is brought into contact with the back surface of the plate-shaped joint portion (J) and elastically deforms to retreat. It is characterized by being provided with a locking member (70) that abuts on the upper edge of the joint portion (J) and prevents the plate-like joint portion (J) from moving in parallel or rotating.

According to a second aspect of the present invention, in the fitting member, a part of the joining tool (K) of the locking member (70) is sheared into a substantially U shape, and a tip portion (75a) thereof is forward. It is characterized in that it is formed into a leaf spring shape which is slightly bent and elastically deformable in the front-rear direction.

Further, in the joint fitting according to a third aspect of the invention, the locking member (70) is provided in a window hole (76) formed in the joint tool (K) at the center of the leaf spring piece (71). A protruding portion (71a) formed by protruding the portion is inserted from the back surface, and one end of the leaf spring piece (71) is fixed to the back surface of the connector (K). .

Further, in the joint fitting according to claim 4, the locking member (70) has a coil spring (74) on the back surface side of the window hole (76) formed in the joint tool (K). A built-in guide cylinder (73) is provided, and the guide cylinder (7
3), the tip portion (75a) is provided with a protruding member (75) protruding from the window hole (76) by the elasticity of the coil spring (74).

Symbols in parentheses indicate corresponding elements or corresponding matters described in the drawings and embodiments of the invention described later.

According to the first aspect of the present invention, when the plate-shaped joint portion is translated or rotated on the upper portion of the joint member, the plate-shaped joint portion comes into contact with the back surface of the plate-shaped joint portion and is elastic. Since it deforms and retreats, and after joining is completed, it is elastically restored and comes into contact with the upper edge of the plate-like joined portion, and a locking member is provided to prevent the plate-like joined portion from moving in parallel or rotating. It is possible to prevent the plate-shaped joint portion once assembled from coming off or coming off from the joining tool.

According to the second aspect of the present invention, in the locking member, a part of the connector is sheared in a substantially U-shape, and the tip end thereof is slightly bent forward, so that the locking member is moved in the front-back direction. The elastically deformable leaf spring shape can reliably prevent the once assembled plate-shaped joint portion from slipping off or coming off the joint tool. Since this locking member is formed by shearing and bending a part of the connector, it is easy to manufacture and the manufacturing cost can be reduced.
Since the structure is simple, there are few failures.

According to the third aspect of the invention, in the locking member, the projection formed by projecting the central portion of the leaf spring piece is inserted from the back surface into the window hole formed in the connector. Further, since one end of the leaf spring piece is configured to be fixed to the back surface of the joining tool, it is possible to reliably prevent the once-assembled plate-like joining portion from slipping or coming off the joining tool. . Since this locking member is formed by projecting the central portion of the leaf spring piece, the manufacturing is easy and the cost is low.

Further, according to the invention of claim 4,
The locking member is provided with a guide cylinder having a coil spring built in on the back surface side of the window hole formed in the connector, and the tip member projects from the window hole into the guide cylinder by the elastic force of the coil spring. Since it is provided and configured,
The plate-shaped joint part once assembled may shift from the joint tool,
It can be reliably prevented from coming off. Further, since the locking member is formed of the guide cylinder, the coil spring and the protruding member, the manufacturing is easy and the cost can be reduced.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION With reference to FIGS. 1 and 2, a joining metal fitting according to an embodiment of the present invention will be described. FIG. 1 shows the joining metal fitting, (a) is a perspective view showing an assembling procedure, and (b) is a sectional view showing a state after assembling. 2 shows a locking member 70 provided on the connector K shown in FIG. 1, (a) is an enlarged cross-sectional view showing a normal state, and (b) is a state in which it is elastically deformed and retracted. And (c) is an enlarged front view in a normal state. The same parts as those shown in the conventional example are designated by the same reference numerals.

In the joining metal fitting according to the embodiment of the present invention, the end face of one horizontal wooden piece 20 is abutted against the side surface of one vertical wooden piece 10 so that both are fixed so as not to be displaced relative to each other. It is interposed between timbers, and includes an insertion portion I, a plate-shaped joint portion J, a joint tool K, and a locking member 70.

The insertion portion I has a hole 62 while being inserted into the vertical groove M formed on the end surface of the horizontal wooden piece 20, and the pin P inserted from the side surface of the horizontal wooden piece 20 penetrates the hole 62. It is a member that is joined to the horizontal wood 20 by.

The plate-shaped joint portion J is vertically integrally connected to one end of the insertion portion I and has a surface facing the side surface of the vertical wood 10.

The connector K is a flat plate member that is fixed in advance to the side surface of the vertical wood 10.

Further, the plate-like joint portion J is positioned with respect to the joint tool K and then moved downward in parallel to the side surface of the vertical lumber 10 so that the joint with the joint tool K can be performed with one touch. Is configured to be.

The locking member 70 contacts the upper part of the joining tool K and the rear surface of the plate-like joining part J when the plate-like joining part J is moved downward in parallel, and is elastically deformed to retreat. To do. After the joining is completed, the original shape is elastically restored and abuts on the upper edge of the plate-like joined portion J. This prevents the plate-shaped joint portion J from moving upward in parallel.

Incidentally, the locking member 70 in this embodiment.
The part of the joining tool K is sheared into a substantially U-shape, and the tip end portion 75a thereof is bent slightly forward so that it is elastically deformable in the front-rear direction to form a leaf spring shape. Therefore, it can be easily manufactured, and the manufacturing cost can be suppressed. Moreover, since the structure is simple, it is difficult for failures to occur.

Another embodiment of the locking member 70 is shown in FIG.
Shown in. (A) is a sectional view in a normal state, (b) is a sectional view showing a retracted state, and (c) is a front view in a normal state. This is one in which a projecting portion 71a obtained by projecting and molding the central portion of the leaf spring piece 71 is inserted from the back surface into a window hole 76 formed in the joining tool K, and one end portion of the leaf spring piece 71 is It is configured by being fixed to the back surface of the joining tool K with screws 72. The projecting portion 71a is inclined forward from the upper end toward the lower end, thereby reducing the contact resistance when the plate-shaped joint portion J moves downward, and the plate-shaped joint portion J is connected to the joint tool K. It is configured to be assembled smoothly.

By providing the locking member 70 having such a structure, the plate-shaped joint portion J once assembled can be connected to the joint tool K.
It can be surely prevented from slipping off or coming off. Since the locking member 70 is formed by projecting the central portion of the leaf spring piece 71, the locking member 70 has features that the manufacturing is easy and the cost is low.

Still another embodiment of the locking member 70 is shown in FIG. (A) is a sectional view in a normal state,
(B) is a cross-sectional view showing a retracted state, and (c) is a front view. The locking member 70 is provided with a guide cylinder 73 having a coil spring 74 built therein on the back side of a window hole 76 formed in the joint K, and a tip portion 75a from the window hole 76 is provided in the guide cylinder 73. A projecting member 75 having a substantially convex shape that is projected by the elasticity of the coil spring 74 is provided.

The front surface of the tip end portion 75a of the protruding member 75 of the locking member 70 is also set to be an inclined surface, whereby the contact resistance with the plate-like joint portion J is reduced and the plate-like joint portion J is reduced. It is set so as to be easily assembled to the joint tool K. The locking member 70 is formed of a simple member such as the guide cylinder 73, the coil spring 74, and the protruding member 75, so that it is easy to manufacture and the cost can be reduced.

The metal fitting shown in FIG. 1 will be described in detail. The joining tool K is a plate-like body attached to the side surface of the vertical wood 10 by a bolt nut BN, and further includes a plurality of (four in the figure, four in the vertical and horizontal directions) shaft portions 131 protruding in the horizontal direction.
And a head portion 132 having a diameter larger than the diameter of the shaft portion 131, which is coupled to the tip of the shaft portion 131.

Explaining the plate-shaped joint portion J, first, a hole 140 having a diameter that allows the head portion 132 of the joint tool K to be inserted horizontally is formed. Moreover, the shaft 140, which is coupled to the head 132 inserted through the hole 140, is allowed to enter the hole 140 in the vertically upward direction.
A notch 141 having a width that prevents the 32 from entering in the horizontal direction is continuously provided on the upper side, and is in the shape of a round ladle with a handle as a whole. The direction of the cut 141 is not particularly limited to the position on the circumference as long as it is the radial direction of the hole 140. The plate-shaped joint portion J is integrally provided on a cylindrical portion 46 that is inserted and assembled into the horizontal lumber 20 via a vertical plate 45.

Further, the above-mentioned locking member 70 is provided on the upper part of the joining tool K. Therefore, when the shaft portion 131 coupled to the head portion 132 that has been inserted through the hole 140 enters vertically upward (the plate-like joint portion J descends), the locking member 70.
Since the lower part of the plate-shaped joint portion J is pushed back and is retracted, it is possible to enter (the plate-shaped joint portion J is lowered).
It is locked at the lower end of 0 and its rise is blocked.

Further, since the horizontal wood 20 and the plate-like joint portion J are in contact with each other and the joining tool K to be joined is a plate-like body, the horizontal wood 20 is shaken with respect to the side surface of the vertical wood 10,
Even if it is compressed and rubbed by it, it does not directly touch the vertical wood 10 and its side surface is not damaged.

Another embodiment of the present invention will be described with reference to FIG. The insertion portion I is the same as that of the above-described embodiment, and the plate-like joint portion J has a shaft portion 231 that horizontally protrudes on the surface opposite to the insertion portion I and the shaft portion 231.
And a head portion 232 having a diameter larger than that of the shaft portion 31 coupled to the tip end of the.

The joining tool K is a plate-like member which is previously fixed to the side surface of the vertical wood 10 with bolts and nuts BN, and has a hole 240 through which the head 232 can be inserted in the horizontal direction. Allows the shaft 231 coupled to the head 232 that has passed through the hole 240 to enter in the vertical downward direction, but the notch 241 having a width that prevents the inserted head 232 from passing in the horizontal direction is connected to the lower side. It is set up.

The direction of the cut 241 is the circumference of the hole 240,
The position on the circumference is not particularly limited as long as it is in the radial direction. For example, as another embodiment, the other configurations are the same as those described above, and the plurality of shaft portions 231 and the head portion 2 are provided.
FIG. 6 shows an arrangement in which 32 and corresponding holes 240 are arranged on the same circumference.

According to this, the head portion 232 protruding from the plate-like joint portion J is inserted through the holes 240 correspondingly formed in the joint tool K, and the shaft portion 231 is positioned in the hole 240. After the plate-shaped joint portion J is positioned on the connector K, when the plate-shaped joint portion J is rotated toward the notch 241 in the plane parallel to the side surface of the vertical wood 10, the shaft portion 23
1 is inserted into the notch 241, and with it,
The movement of the plate-shaped joint portion J is restrained, and the plate-shaped joint portion J is joined to the joint tool K with one touch.

Also in the embodiment shown in FIGS. 5 and 6, the locking member 70 is provided on the upper part of the joining tool K, and the plate-like member assembled to the joining tool K by the locking member 70. Upward movement and detachment of the joint portion J are prevented.

FIG. 7 shows another embodiment of the present invention.
Will be described. The insertion portion I is the same as that described above, the plate-like joint portion J is simply a plate-like shape, and has no holes, shafts, or protrusions on the head, and the connector K is provided on the side surface of the vertical wood 10. It is a plate-like body that is fixed in advance with bolts and nuts BN, and has a frame portion 50 having a width that can receive the plate-like joint portion J that moves vertically downward. The frame pieces 51, 52, 53, 54 on the lower side of the frame portion 50 are provided with support portions 55 for supporting the received plate-like joint portion J in this state. The frame portions 50 are spaced apart from each other,
Frame pieces 51, 52, 5 having a symmetrical L-shaped cross section in two steps
3, 54, but is not necessarily limited to this.

According to this, the plate-like joining tool K fixed in advance to the side surface of the vertical wood 10 has the frame portion 50 having a width capable of receiving the plate-like joining portion J moving vertically downward. Since the frame portion 50 is provided with the support portion 55 that supports the received plate-shaped joint portion J from below, the lower end of the plate-shaped joint portion J is moved to a position that coincides with the opening of the frame portion 50,
The plate-shaped joint J is joined to the joint K with one touch literally by simply moving it vertically downward.

Incidentally, also in this embodiment, the joining tool K is used.
An engaging member 70 is provided on the upper part of the plate to prevent the plate-like joint portion J from being displaced upward or disengaged from the joint tool K by an unexpected force.

[0044]

According to the joining metal fitting of the first aspect of the present invention, when the plate-like joint portion is translated or rotated on the upper part of the joining tool, the plate-like joint portion contacts the back surface of the plate-like joint portion. A contacting member is elastically deformed and retreats, and after joining is completed, elastically returns to contact the upper edge of the plate-like joined portion, and a locking member is provided to prevent the plate-like joined portion from moving in parallel or rotating. Therefore, it is possible to prevent the plate-shaped joint portion once assembled from slipping off or coming off the joint tool.

According to the second aspect of the present invention, in the locking member, a part of the joining tool is sheared into a substantially U-shape, and the tip end thereof is slightly bent forward so that it is moved in the front-back direction. Since the elastically deformable plate spring is formed, it is possible to reliably prevent the once-assembled plate-shaped joint portion from being displaced or disengaged from the connector. Since this locking member is formed by shearing and bending a part of the connector, it is easy to manufacture and the manufacturing cost can be reduced. Since the structure is simple, there are few failures.

According to the third aspect of the present invention, in the locking member, the projection formed by projecting the central portion of the leaf spring piece is inserted into the window hole formed in the connector from the back surface. Further, since one end of the leaf spring piece is configured to be fixed to the back surface of the joining tool, it is possible to reliably prevent the once-assembled plate-like joining portion from slipping or coming off the joining tool. . Since this locking member is formed by projecting the central portion of the leaf spring piece, the manufacturing is easy and the cost is low.

Further, according to the invention of claim 4,
The locking member is provided with a guide cylinder having a coil spring built in on the back surface side of the window hole formed in the connector, and the tip member projects from the window hole into the guide cylinder by the elastic force of the coil spring. Since it is provided and configured,
It is possible to reliably prevent the plate-shaped joint portion once assembled from coming off the joint tool and coming off. Further, since the locking member is formed of the guide cylinder, the coil spring and the protruding member, the manufacturing is easy and the cost can be reduced.

[Brief description of drawings]

FIG. 1A is a perspective view showing a procedure of joining in an embodiment of the present invention, and FIG. 1B is a sectional view showing a state after joining.

2A is a sectional view showing a normal state of a locking member in FIG. 1, FIG. 2B is a sectional view showing a retracted state, and FIG. 2C is a front view showing a normal state. is there.

3A is a cross-sectional view showing a normal state in another embodiment of a locking member, FIG. 3B is a cross-sectional view showing a retracted state, and FIG. 3C is a front view in a normal state. Is.

FIG. 4A is a sectional view showing a normal state in still another embodiment of a locking member, FIG. 4B is a sectional view showing a retracted state, and FIG. 4C is a front view in a normal state. It is a figure.

FIG. 5A is a perspective view showing a procedure of joining in another embodiment of the present invention, and FIG. 5B is a sectional view showing a state after joining.

FIG. 6 is a perspective view showing a procedure of joining according to another aspect of the embodiment shown in FIG.

FIG. 7A is a perspective view showing a procedure of joining in still another embodiment of the present invention, and FIG. 7B is a sectional view showing a state after joining.

FIG. 8A is a perspective view showing a joining procedure in a conventional example, and FIG. 8B is a sectional view showing a state after joining.

[Explanation of symbols]

10 vertical wood 20 horizontal timber 31 Shaft 32 heads 40 holes 41 notches 45 vertical plate 46 Cylindrical part 50 frame 51-54 frame pieces 55 Supporting part 61 cutout 62 pin insertion hole 70 Locking member 71 leaf spring piece 71a protrusion 72 screws 73 Guide tube 74 coil spring 75 Protrusion material 75a tip 76 window 131,231 Shaft 132,232 heads 140,240 holes 141,241 notches BN bolt nut I insertion part J Plate-shaped joint K connector M groove P pin

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 2E125 AA04 AA14 AB12 AC23 AG03                       AG04 AG12 AG23 AG41 AG56                       BB01 BB08 BB09 BB12 BB19                       BB22 BB27 BB30 BC03 BC09                       BD01 BE07 BE08 BF04 CA05                       CA14 CA63 CA64 CA79 EA14

Claims (4)

[Claims] 1. A joining metal fitting which is interposed between two pieces of wood so that an end face of one piece of horizontal wood is abutted against a side surface of one piece of vertical wood and the two pieces are relatively immovably fixed to each other. An insertion part that is inserted into a vertical groove formed on the end face of horizontal wood and has a hole, and a pin that is inserted from the side of the horizontal wood penetrates the hole to be connected to the horizontal wood, and the insertion part. A plate-like joint portion that is vertically integrally connected to one end of the portion and has a surface facing the side surface of the vertical wood, and a flat plate-shaped connecting tool that is fixed in advance to the side surface of the vertical wood, And the plate-like joint part is moved parallel to the side surface of the vertical wood after being positioned with respect to the joint tool,
Alternatively, when the plate-shaped joint portion is translated or rotated on the upper portion of the joint tool, the plate-shaped joint portion is configured to be joined to the joint tool by one-touch by being rotated. Abuts on the back surface of the joint portion and elastically deforms and retreats, and after joining is completed, elastically returns and abuts the upper edge of the plate-like joint portion, preventing the plate-like joint portion from moving in parallel or rotating. A joint fitting, characterized in that it is provided with a locking member. 2. The locking member has a leaf spring shape which is elastically deformable in the front-rear direction, in which a part of the connector is sheared into a substantially U-shape, and a front end portion thereof is slightly bent forward. The joining metal fitting according to claim 1, wherein the joining metal fitting is a molded product. 3. The locking member has a projection formed by projecting and molding a central portion of a leaf spring piece inserted into a window hole formed in the connector from the back surface, and one end portion of the leaf spring piece is The joining metal fitting according to claim 1, wherein the joining fitting is fixed to the back surface of the joining tool. 4. The guide member having a coil spring is provided on the back surface side of a window hole formed in the connector, and the tip end portion from the window hole is provided in the guide cylinder. The projection member that is projected by the elasticity of the coil spring is provided and configured.
The fittings described in.