JP4652184B2 - Connection structure between members such as channel steel - Google Patents

Description

  The present invention relates to a connection structure between members such as channel steel.

  For example, in the production of the panel frame 50 of the outer wall panel as shown in FIG. 7 (a), as a method of connecting the frame materials 51 and 52 made of grooved steel, as shown in FIG. The end portions of the other frame members 52 are fitted in the grooves 51, and both the frame members 51, 52 are joined by welding w, w, or as shown in FIG. It has been conventionally performed to stop by.

  However, special skills are required for the connection by welding w, w, and it is necessary to weld both sides, and it takes time, and in the case of an outer wall panel frame, it must be painted after welding. There is a problem of not becoming.

  Further, in the connection with the screws 53, 53, it is necessary to fix the screws from both sides, and there is a problem that the connection requires time.

  In view of the above problems, the present invention can easily connect a first member having a groove-shaped portion and a second member fitted into the groove-shaped portion of the first member. It is an object to provide a connection structure between each other.

The above-described problem is that the mounting holes are provided in both side walls of the groove portion of the first member, and the second member to be fitted in the groove portion of the first member corresponds to the mounting holes. Mounting holes are provided,
Each of the pins of the connecting hardware having a U-shape and protruding pins from the both side walls thereof is operated by elastic deformation and restoration of the U-shaped portion of the connecting hardware, so that the groove-shaped portion of the first member This is solved by a member-to-member connection structure characterized in that the members are connected by being inserted so as to extend over the attachment holes of the second member and the attachment holes of the second member.

  According to this structure, the first member having the groove-shaped portion and the second member fitted into the groove-shaped portion of the first member are elastically deformed and restored in the U-shaped portion of the connecting hardware. By doing so, both sides of both members can be connected in a pinned state at a time, and the first member and the second member can be easily connected.

  In addition, the U-shaped portion works to prevent the pin from coming off from the mounting hole, and the pin can be firmly held out by simply inserting the pin into the mounting hole of the member.

In the above connection structure, the tip surface of the pin is formed on a slope,
A U-shaped portion of a connecting hardware that is attached in a pinned state to a member having an attachment hole into which the base end side of each pin is inserted has an attachment hole into which the tip side of each pin is inserted using the slope of the pin tip. It is good to be able to be elastically deformed by the member so that it can be put into a pin insertion state in the mounting hole of the member.

  In this structure, each pin of the connecting hardware can be easily inserted into the mounting hole of the member having the mounting hole into which the tip side of each pin is inserted, using the inclined surface of the pin tip, so that the members can be further connected. Can be easily.

  Further, in the second member, the portion to be fitted into the groove shape portion of the first member is a groove shape portion, and a U-shaped portion of the connection hardware is installed in the groove shape portion, The pins may be inserted into the mounting holes provided on both side walls of the groove portion from the inside of the groove.

  In this case, when changing the connection position of the first member with respect to the groove-shaped portion, it is necessary to remove the connection hardware from the first member in the process of the change, but it is attached to the second member. The connection position of the second member relative to the first member can be easily changed.

  Since the present invention is as described above, the first member having the groove-shaped portion and the second member fitted into the groove-shaped portion of the first member can be easily connected.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  The connection structure of the first embodiment shown in FIGS. 1 and 2 is applied to the panel frame 1 of the outer wall panel. 2 is a lower frame made of channel steel as a first member, and 3 is a second member. As shown in Fig. 4, the vertical bars 4 are made of channel steel, and 4 is a connecting hardware.

  The vertical beam 3 is narrowed at its end so that it can be fitted into the groove of the lower frame 2, and the mounting holes 2 b, 2b is provided, and both side walls 3a and 3a of the vertical rail 3 are provided with mounting holes 3b and 3b corresponding to the mounting holes 2b and 2b of the lower frame 2, respectively.

  The connecting hardware 4 is formed of a piece having a U-shaped portion 5 that can be installed in the groove at the end of the vertical beam 3, and the pins 6 and 6 are externally attached to both side walls 5 a and 5 a. The U-shaped portion 5 is provided in a protruding state and has a spring property so that it can be elastically deformed and restored in the direction in which both side walls 5a and 5a open and close. The front ends 6a, 6a are formed on slopes inclined outward toward the open side of the U-shaped portion 5, and the lengths of the pins 6, 6 are the mounting holes 2b of the lower frame 2 and the vertical beam 3, It is designed to have a size that can be inserted into 3b.

  As shown in FIGS. 2A and 2B, the lower frame 2 and the vertical beam 3 are first connected to the vertical beam 3 in advance. That is, the U-shaped portion 5 of the connecting hardware 4 is elastically deformed so that both side walls 5a, 5a are inward, thereby reducing the distance between the tips of the pins 6, 6, and the groove of the vertical beam 3 The tips of the pins 6 and 6 are made to coincide with the positions of the mounting holes 3b and 3b of the side walls 3a and 3a of the vertical rail 3, the U-shaped portion 5 is restored, and the pins 6 and 6 are attached to the mounting holes 3b. , 3b in the inserted state.

  As shown in the figure, the connecting hardware 4 may be inserted into the groove from the end side of the vertical beam 3 to be in a pinned state, or may be inserted from the opening side of the groove of the vertical beam 3 and pinned. You may make it a state, and it may be put from the opening side of the groove | channel of the vertical bar 3, and you may make it move to the edge part side of the vertical bar 3, and it may be in a pin insertion state, There is no restriction | limiting in particular.

  In this mounted state, the U-shaped portion 5 of the connecting hardware 4 functions to prevent the pins 6 and 6 from coming off from the mounting holes 2 b and 3 b, and the pin 6 is inserted into the mounting holes 3 b and 3 b of the vertical beam 3. Only by making it into a state, the pins 6 and 6 can be firmly removed.

  Further, the connecting hardware 4 is provided with a detent 5b projecting outward on the base end side of both side walls 5a, 5a of the U-shaped portion 5, and the detent 5b is provided on the front end surface of the vertical beam 3. By abutting, the connection hardware 4 is reliably prevented from rotating around the pin axis.

  Thereafter, as shown in FIGS. 2B and 2C, the end portion of the vertical beam 3 is fitted into the groove of the lower frame 2. In this fitting process, the tip slopes 6a and 6a of the pins 6 and 6 of the connecting hardware 4 interfere with the upper edges of the side walls 2a and 2a of the lower frame 2, and an inward force acts on the pins 6 and 6. When the U-shaped portion 5 of the connecting hardware 4 is elastically deformed inward and the pins 6 and 6 are moved to the positions of the mounting holes 2b and 2b of the side walls 2a and 2a of the lower frame 2, The letter-shaped portion 5 is restored in the outward opening direction, the pins 6 and 6 are inserted into the mounting holes 2b and 2b of the side walls 2a and 2a of the lower frame 2, and the vertical beam 3 and the lower frame 2 are connected to the metal fitting 4 Connected.

  As described above, according to the above-described connection structure, the lower frame 2 and the vertical beam 3 fitted in the groove of the lower frame 2 are elastically deformed into the U-shaped portion 5 of the connection hardware 4. The two frames 2 and 3 can be connected in a pinned state at the same time by being restored, and the lower frame 2 and the vertical beam 3 can be easily connected. Such painting is not necessary.

  In particular, in this embodiment, since the front end surfaces 6a and 6a of the pins 6 and 6 of the connection hardware 4 are formed on the inclined surface, the connection hardware is connected to the mounting holes 2b and 2b of the side walls 2a and 2a of the lower frame 2. 4 can be easily inserted using the inclined surfaces 6a and 6a at the tip of the pin, and the lower frame 2 and the vertical beam 3 can be connected very easily. That is, in the present embodiment, the lower frame 2 is “a member having an attachment hole into which the tip end side of each pin is inserted”, and the vertical rail 3 is “a member having an attachment hole into which the base end side of each pin is inserted”.

  The connection structure of the second embodiment shown in FIG. 3 is the same as that applied to the panel frame of the outer wall panel. In this embodiment, the panel frame 1 includes upper and lower horizontal rails 8 made of channel steel, 8 are formed in an eye shape, and a plurality of pairs of mounting holes 7b, 7b,... Are spaced apart from each other in the vertical direction on both side walls 7a, 7a of the left and right side frames 7 made of channel steel. The front end side of the pins 6 and 6 of the connecting hardware 4 is inserted into the pair of mounting holes 7b and 7b provided in any one of the height positions, and the end of the cross rail 8 is connected to the side frame 7. Yes.

  According to this connection structure, a plurality of pairs of mounting holes 7b, 7b... Are arranged in the side walls 7a, 7a of the side frame 7 so as to be spaced apart from each other in the vertical direction. The position can be easily changed by using the mounting holes 7b, 7b... That are arranged, for example, by changing the height position of the upper and lower horizontal rails 8 and 8 at the time of reforming, the opening size can be changed. It can be easily changed.

  In particular, in the present embodiment, the side frame 7 is “a member having a mounting hole into which the tip side of each pin is inserted”, so that the connecting hardware 4 is changed to the horizontal beam 8 in the process of changing the height position of the horizontal beam 8. It can be attached as it is, the work of detaching the connecting hardware 4 from the horizontal beam 8 can be eliminated, and the height position of the horizontal beam 8 can be easily changed. The mounting holes 7b and 7b of the side frame 7 are not provided in a line, and when the height position of the crosspiece 8 is changed, the mounting holes 7b and 7b are newly formed by drilling at a desired height position. Also good.

  The third embodiment shown in FIGS. 4 and 5 is a modification of the first embodiment, and the detents provided on the base end sides of the side walls 5a, 5a of the U-shaped portion 5 of the connecting hardware 4 are omitted. Detents 5b and 5b projecting outward are formed at the distal end portions of the side walls 5a and 5a, and the intermediate wall portion 5c connecting the both side walls 5a and 5a is formed on the base end side in the groove of the vertical beam 3. As shown in FIG. 5 (a), the connecting metal 4 is attached to the vertical beam 3, as shown in FIG. 5 (a), that is, the U-shaped portion 5 of the connecting metal 4 is bent to make the vertical beam. The operation | work put in 3 groove | channels can be made easy. Of course, the connecting hardware 4 can be used instead of the connecting hardware 4 in the connection structure of the second embodiment.

  The fourth embodiment shown in FIG. 6 is a further modification of the first embodiment, and the pins 6 and 6 of the connecting hardware 4 are provided in a state in which the both side walls 5a and 5a of the U-shaped portion 5 protrude inward. The U-shaped portion 5 is installed in an externally fitted state with respect to the lower frame 2 so that the pins 6 and 6 are inserted into the mounting holes 2b and 2b of the side walls 2a and 2a of the lower frame 2 from the outside. Has been made. That is, the vertical beam 3 is “a member having an attachment hole into which the tip end side of each pin is inserted”, the lower frame 2 is “a member having an attachment hole into which the base end side of each pin is inserted”, and the connecting hardware 4 is shown in FIG. As shown in FIG. 6A, the pins 6 and 6 are attached to the lower frame 2, and the pins 6 and 6 are connected to the vertical beam 3 by using the tip inclined surface portions 6a and 6a as shown in FIGS. The U-shaped portion 5 is elastically formed outward so that it can be inserted into the mounting holes 3b, 3b of the vertical beam 3.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above embodiment, in the above embodiment, the first member and the second member are both made of channel steel. However, the first member is partially provided with a channel part in the cross section. For example, you may consist of H-section steel.

  Moreover, in the case where the U-shaped portion of the connecting hardware is attached to the groove-shaped portion of the lower frame, which is the first member, as in the case of the fourth embodiment, the first member's The second member fitted into the groove portion may be a member with a mounting hole that does not include the groove portion.

  Moreover, in said embodiment, although it is comprised in the structure which can connect members with the connection metal fitting which preceded one member, after making the attachment holes of a member into the state of alignment, these You may make it pass by inserting the pin of a connection metal fitting into both attachment holes of a center alignment state, and you may be comprised in such a connection structure.

  Furthermore, in the above-described embodiment, the case where the connecting hardware is made of a piece is shown. However, as long as the U-shaped portion can be elastically deformed and restored, it may be made of a long object. There are no particular restrictions on the specific form.

  Moreover, in said embodiment, although the case where the connection structure of this invention was used for the connection of the steel materials which comprise the panel frame of an outer wall panel was shown, the connection structure of this invention is the steel materials which comprise a panel frame. It is not limited to the case where the first and second members are connected, and the material of the first member and the second member and the material of the connecting hardware are not limited. Further, the first member and the second member are connected in a T-shape. Needless to say, the present invention can be used not only in the case but also in various cases such as connecting in an L shape or a straight line.

The connection structure of 1st Embodiment is shown, FIG. (A) is a disassembled perspective view of a connection part, FIG. (B) is a front view of the panel frame to which the connection structure is applied. FIGS. 1A to 1C are cross-sectional side views sequentially showing an example of a connection method in the connection structure. The connection structure of 2nd Embodiment is shown, (a) is an exploded perspective view of a connection part, (b) is a front view of the panel frame to which the connection structure is applied. The connection structure of 3rd Embodiment is shown, and it is a disassembled perspective view of a connection part. FIGS. 1A to 1C are cross-sectional side views sequentially showing an example of a connection method in the connection structure. The connection structure of 4th Embodiment is shown, FIG. (A)-FIG. (C) are sectional side views which show sequentially an example of the connection method in the connection structure. FIG. 1A is a front view of a panel frame, and FIGS. 2B and 2C are cross-sectional side views showing a connection structure between frame members.

Explanation of symbols

2 ... Lower frame (first member)
2a ... Side wall 2b ... Mounting hole 3 ... Vertical rail (second member)
3b ... Mounting hole 4 ... Connecting hardware 5 ... U-shaped part 6 ... Pin 6a ... Slope 7 ... Side frame (first member)
7a ... side wall 7b ... mounting hole 8 ... horizontal rail (second member)
8b ... Mounting hole

Claims (3)

Attachment holes are provided in both side walls of the groove portion of the first member, and attachment holes corresponding to the attachment holes are provided in the second member fitted in the groove portion of the first member. And
Each of the pins of the connecting hardware having a U-shape and protruding pins from the both side walls thereof is operated by elastic deformation and restoration of the U-shaped portion of the connecting hardware, so that the groove-shaped portion of the first member A member-to-member connection structure, wherein the members are connected by being inserted so as to extend over the attachment holes of the second member and the attachment holes of the second member. The tip surface of the pin is formed on a slope,
A U-shaped portion of a connecting hardware that is attached in a pinned state to a member having an attachment hole into which the base end side of each pin is inserted has an attachment hole into which the tip side of each pin is inserted using the slope of the pin tip. The member-to-member connection structure according to claim 1, wherein the member can be elastically deformed by a member so that the member can be pinned into a mounting hole of the member.   In the second member, a portion to be fitted into the groove shape portion of the first member is a groove shape portion, and a U-shaped portion of a connection hardware is installed in the groove shape portion, and the pin of the connection hardware is The connection structure of the members according to claim 1 or 2 made into the insertion state from the inside of a slot in the attachment hole provided in the both side walls of a channel shape part.

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