JP6888979B2 - Connected structure - Google Patents

Description

The present invention relates to a linked structure.

Patent Document 1 discloses a connecting structure that connects one member and the other member with a connecting tool.

Japanese Unexamined Patent Publication No. 11-303255

However, in the connecting structure of Patent Document 1, one member and the other member having the same expected dimensions are connected by a connecting tool.
On the other hand, it has been required to connect members having different expected dimensions between one member and the other member.

Therefore, an object of the present invention is to provide a connecting structure capable of connecting members having different expected dimensions.

The invention according to claim 1 includes one member, the other member, and a connector, and the one member is arranged so that a part of the end face in the longitudinal direction is in contact with one side surface of the other member. The other member has another side surface that intersects one side surface with which the end face of the one member abuts, the connector consists of a connecting member, a bolt and a nut, and the connecting member abuts on the other side surface of the other member. It is fixed to the other member with bolts and nuts, and has a connecting portion projecting to the one member side and one side surface that abuts the other portion of the longitudinal end surface of the one member, and the one member is attached to the connecting portion. bolts, Ri fixed tare with nuts, whereas with a portion of the end face of the member abuts against the one side surface of the other member, whereas, characterized in that the other portion of the end face of the member is in contact with one side surface of the connecting member It is a connected structure.

According to the invention of claim 1, since the end surface of the one member abuts on the side surface of the connecting member and the side surface of the other member and is fixed to the connecting portion of the connecting member, the expected dimension of the one member is the other. Even if it is larger than the member, it can be connected.

It is a connecting structure which concerns on 1st Embodiment of this invention, and is the perspective view which shows the state in the process of assembling the connecting structure of part E shown in FIG. It is a connection structure which concerns on 1st Embodiment of this invention, and is the top view of the part E shown in FIG. It is a connecting structure which concerns on the 2nd Embodiment of this invention, and is the perspective view which shows the state in the process of assembling the connecting structure of the F part shown in FIG. It is a connection structure which concerns on 2nd Embodiment of this invention, and is the top view of the F part shown in FIG. It is a perspective view of the assembly using the connecting structure which concerns on 1st and 2nd Embodiment of this invention. It is a perspective view of the assembly using the connecting structure which concerns on 1st Embodiment of this invention. (A) is a plan view of the connecting structure according to the third embodiment of the present invention, and (b) is a view of the connecting material seen from the T direction shown in (a). It is a top view of the connection structure which concerns on 4th Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
The assembly 3 shown in FIG. 5 includes a connecting structure 1A according to the first embodiment of the present invention (see reference numeral E in FIG. 5) and a connecting structure 1B according to a second embodiment (see reference numeral F in FIG. 5). ) Is an assembly 3, and in this example, the assembly 3 is a trolley. The assembly 3 includes one member 5, the other member 7, and a connector 9, and wheels 11 are attached to the lower surface thereof.
One member 5 is a horizontal member arranged horizontally, and the other member 7 is a vertical member arranged in the vertical direction.
As shown by reference numeral E in FIG. 5, the connecting structure 1A connects one member 5 and the other member 7 at each corner of the carriage 3, and as shown by reference numeral F in FIG. 5, the connecting structure 1B Connects one member 5 and the other member 7 between the corners.
In FIG. 5, the panel 23 (described later) of each one member 5 is omitted. Further, in FIG. 5, in the figure showing the entire assembly 3, the bolts fixing the one member 5 and the other member 7 to the connecting member 33 (described later) are omitted, but they are extracted and shown by reference numerals E and F. It is shown in the figure.

First, the connection structure 1A according to the first embodiment indicated by reference numeral E in FIG. 5 will be described.
The connecting structure 1A according to the first embodiment includes one member 5, the other member 7, and a connecting tool 9.
As shown in FIG. 1, the one member 5 has an upper wall 13, lower walls 15, 15 and facing walls 17a and 17b facing each other in the prospective direction M, and the facing walls 17a and 17b are on the upper side. The wall 13 is provided so as to hang down from a substantially central portion in the expected direction M with a gap from each other. Each lower wall 15 is provided so as to project from the lower ends of the opposite walls 17a and 17b in opposite directions. The lower walls 15 and 15 were integrally formed like the upper wall 13, but by forming a slit on the side to be connected by the connecting tool 9 and dividing the lower walls 15 and 15 into two lower walls 15 and 15, the facing walls are opposed to each other. A connecting portion insertion groove 18 having an opening on the lower side is formed in 17a and 17b. Therefore, the connecting portion insertion groove 18 is not formed over the entire length of the one member 5, but is formed on the connecting tool 9 side.
Bolt shaft insertion holes are formed in the facing walls 17a and 17b at positions corresponding to the bolt shaft insertion holes 50 of the connecting portion 39 of the connecting member 33, which will be described later.
The facing walls 17a and 17b form a groove 21 in the upper wall 13 and the lower wall 15. The panel base material 19 is screwed to the facing walls 17a and 17b forming the groove bottom in the groove 21. The panel base material 19 is provided at a predetermined interval in the longitudinal direction of the groove 21. The eye plate base material 19 is provided with an engaging piece 19a.
The opening of the groove 21 is closed by the panel 23. The eye plate 23 is attached by engaging the engaged piece 23a projecting into the groove 21 with the engaging piece 19a of the eye plate base material 19.
In FIG. 1, only the panel 23 that closes the groove 21 in front of the drawing is shown, and the panel 23 that closes the groove 21 in the back of the drawing is omitted.

As shown in FIGS. 1 and 2, the other member 7 has a hollow portion 25 and has a substantially L-shape in a plan view. On one side and the other side forming an L shape, a back plate 26 with a nut in which a nut 26a is fixed to a back plate 26b is inserted between the ridges 24 and 24 formed inside the hollow portion 25, respectively. ..
On the other hand, on the side surface 7a of the member 7, the outer surface 28 of the assembly 3 is a curved surface, the inner side surface is a connecting material contact surface 29a, 29b, and the connecting material contact surfaces 29a, 29b form a corner with two surfaces. doing. A one-side member contact surface 27 with which the end surface 5a of the one-side member 5 abuts is formed between the outer side surface 28 and each of the connecting member contact surfaces 29a and 29b.
Bolt shaft insertion holes are formed on the connecting member contact surfaces 29a and 29b at positions corresponding to the bolt shaft insertion holes 43 of the connecting member 33.
In the connecting member contact surfaces 29a and 29b, an engaging portion 31 is formed in the longitudinal direction at the end of each of the member contact surfaces 27 side.

The connecting tool 9 connects the one member 5 to the side surface 7a of the other member 7 by abutting the one member 5, and includes a connecting member 33 and a bolt 35.
The connecting member 33 is integrally formed with the other member fixing portion 37 fixed to the connecting member contact surfaces 29a and 29b of the other member 7, and two connecting portions 39 projecting from the one member 5 side, respectively. The two connecting portions 39 project so as to form a substantially right angle to each other.
The other member fixing portion 37 has a substantially quadrangular prism shape having a hollow portion 34, and the two other member contact portions 37a, 37b that abut the other member 7 corresponding to the connecting member contact surfaces 29a, 29b. It has one member contacting portions 37c and 37d located opposite to each other member contacting portion 37a and 37b, and an engaged portion 41 engaging with the engaging portion 31 of the other member 7.
A bolt shaft insertion hole 43 for inserting the shaft 35b of the bolt 35 is formed in each of the other member contact portions 37a and 37b, and the head 35a of the bolt 35 is inserted into each of the other member contact portions 37c and 37d. A bolt head insertion hole 45 is formed.
Each of the two connecting portions 39 has a plate shape, and a bolt shaft insertion hole 50 is formed. As shown in FIG. 2, the connecting portion 39 is inserted into the connecting portion insertion groove 18 of the one member 5, and is fastened and fixed between the facing walls 17a and 17b of the one member 5 with bolts 47 and nuts 49.

Next, the assembly of the connecting structure 1A according to the first embodiment will be described.
At the upper end of the other member 7, the engaged portion 41 of the connecting member 33 is engaged with the engaging portion 31 of the other member 7, and then the connecting member 33 is slid to move to the mounting position of the one member 5. At this mounting position, the shaft insertion holes of the bolts 35 are formed on the connecting member contact surfaces 29a and 29b of the other member 7, and the positions coincide with the bolt shaft insertion holes 43 of the connecting member 33. Further, the other member contact portions 37a and 37b of the connecting member 33 are in contact with the connecting member contact surfaces 29a and 29b of the other member 7.
On the other hand, the back plate 26 with a nut is inserted between the ridges 24 and 24 formed in the hollow portion 25 of the other member 7, and is arranged at a position corresponding to the other member fixing portion 37 of the connecting member 33.
Next, in the connecting member 33, the bolt 35 is inserted through the bolt head insertion holes 45 of the one-side member contact portions 37c and 37d, and then the bolt 35 is inserted into the bolt shaft insertion holes 43 of the other member contact portions 37a and 37b. Through the shaft 35b, the connecting member 33 is screwed into the nut 26a to fix the connecting member 33 to the other member 7.

After that, one member 5 is attached to each of the two connecting portions 39 projecting from the other member 7 in the connecting member 33, but the attachment of the one member 5 to each connecting portion 39 is substantially the same. Then, only the attachment of the one member 5 to the one connecting portion 39 will be described.
First, as shown in FIG. 1, the connecting portion insertion groove 18 of the one member 5 is inserted into the connecting portion 39 from above, and then the one member 5 is slid toward the other member 7 to end the end surface of the one member 5. The 5a is brought into contact with the one-member contact surface 27 of the other member 7 and the one-member contact portion 37c of the connecting member 33.
Next, in the facing walls 17a and 17b of the one member 5 sandwiching the connecting portion 39, the bolt shaft insertion holes formed in advance are made to match the bolt shaft insertion holes 50 of the connecting portion 39, and the facing walls 17a and 17b are combined with the facing walls 17a and 17b. The connecting portion 39 is fixed with bolts 47 and nuts 49. After fixing the facing walls 17a and 17b of the one member 5 to the connecting portion 39, the eye plate 23 is fitted into the grooves 21 and 21 of the one member 5.
As a result, the attachment of the one member 5 to the connecting portion 39 is completed. The one member 5 is similarly attached to the other connecting portion 39.

Next, the action and effect of the connecting structure 1A according to the first embodiment will be described.
As shown in FIGS. 1 and 2, according to the connecting structure 1A according to the first embodiment, the end surface 5a of the one member 5 is the one member contact portion (side surface) 37c of the connecting member 3 and the other member. Since the structure is such that the one member 7 is in contact with the contact surface (side surface) 27 and fixed to the connecting portion 39 of the connecting member 33, the expected dimension M1 (see FIG. 1) of the one member 5 is the expected dimension of the other member 7. Even if it is larger than M2 (see FIG. 1), it can be connected.

The connecting member 33 has a hollow portion 34 in the other member fixing portion 37, a bolt head insertion hole 45 is formed in the one member contact portions 37c and 37d, and a bolt shaft portion 35b is formed in the other member contact portions 37a and 37b. Is inserted and fixed to the other member 7 with a bolt 35, so that the bolt 35 cannot be seen from the outside, so that the appearance is good.
On the other hand, the member 7 has a hollow portion 25, and since the back plate 26 with a nut is inserted into the hollow portion 25 and fixed with bolts 35, bolting can be easily performed.
Since the back plate 26 with a nut is arranged between the ridges 24 and 24 formed on the other member 7, the nut 26a can be prevented from rotating when the bolt 35 is tightened.
On the other hand, since the member 5 is sandwiched and fixed by sandwiching the connecting portion 39 of the connecting member 33 between the facing walls 17a and 17b, the mounting strength between the one member 5 and the connecting member 33 is high.
Since the connecting member 33 is provided with a plurality of connecting portions 39, a plurality of one-sided members 5 can be connected by one connecting member 33.
The connecting member contact surfaces 29a and 29b of the other member 7 form corners, and the other member fixing portion 37 of the connecting member 33 is fitted into the connecting member contact surfaces 29a and 29b forming the corners. Therefore, the connecting member 33 can be stably fixed to the other member 7.
On the other hand, since the member 7 is provided with the engaging portion 31 in which the engaged portion 41 of the connecting member 33 is slidably engaged, the connecting member 33 can be slid to the mounting position and guided, so that the connecting member 33 can be guided. Easy to position. Further, it is possible to prevent the connecting member 33 from coming off from the other member 7 during positioning.

Next, an example of another assembly 3 using the connecting structure 1A according to the present embodiment will be described with reference to FIG. The assembly 3 shown in FIG. 6 is a skeleton of a clean booth, and is used as a clean booth by covering the skeleton of the clean booth with a sheet or the like, and is of a size that can be accommodated by a person.
In FIG. 6, the perforated plate 23 of each one member 5 is omitted. Further, in FIG. 6, in the figure showing the entire assembly 3, the bolts fixing the one member 5 and the other member 7 to the connecting member 33 are omitted, but they are shown by the drawings extracted by reference numeral H.
As shown in FIG. 6, since the connecting structure 1A according to the first embodiment is used for the corners of the assembly 3, the same effects as those of the first embodiment can be obtained.
In the assembly 3 shown in FIG. 6, the other one member 5 is connected to the intermediate portion 5b in the longitudinal direction of the one member 5 via the connecting metal fitting 57, as shown by extracting with reference numeral G. The portion extracted by reference numeral G is a perspective view showing a state before connection. The connecting metal fitting 57 has a substantially T-shape in a plan view with one side portion 57a and the other side portion 57b protruding from the center in the left-right direction of the one side portion 57a, and the one side portion 57a of the T-shape is formed by the one member 5. It is fixed to the facing walls 17a and 17b with bolts and nuts. The connecting portion insertion groove 18 of the one member 5 is inserted into the other side portion 57b of the connecting metal fitting 57 from above, and the facing walls 17a and 17a and the other side portion 57b are fixed with bolts and nuts.

Other embodiments of the present invention will be described below, but in the embodiments described below, parts that exhibit the same effects as those of the above-described first embodiment are designated by the same reference numerals. The detailed description of the part will be omitted, and the following description will mainly explain the differences from the first embodiment.
The connection structure 1B according to the second embodiment represented by the reference numeral F will be described with reference to FIG.
The structure of the other member 7 and the connecting tool 9 of the connecting structure 1B is different from that of the first embodiment. As shown in FIGS. 3 and 4, the other member 7 has a rectangular parallelepiped shape having a hollow portion 25, and the connecting member contact surface 29 has a flat shape.
The connecting member 33 is different from the first embodiment in that only one surface of the other member fixing portion 37 having a rectangular parallelepiped shape is used as the other member contacting portion 37a and is in contact with the connecting member contacting surface 29 of the other member 7. There is. One member contacting portions 37c and 37d are provided on the left and right sides of the other member fixing portion 37, respectively, and facing wall portions 37e are provided at positions facing the other member contacting portion 37a.
In the second embodiment, the bolt head insertion holes 45 are not formed in the one member contact portions 37c and 37d, but the bolt head insertion holes 45 are formed in the facing wall portion 37e. A connecting portion 39 is also projected from the center portion in the left-right direction of the facing wall portion 37e.
As shown in FIG. 4, in the second embodiment, the connecting portions 39 of the connecting member 33 are provided on the left and right sides and the center of the other member fixing portion 37, and in the central connecting portion 39, the one member 5 is provided. On the other hand, the member fixing portion 37 is fixed in contact with only the facing wall portion 37e.

According to the second embodiment, the other member fixing portion 37 of the connecting member 33 in the first embodiment is fitted into the connecting member contact surfaces 29a and 29b forming the corners of the other member 7. Except for the above, it is possible to obtain the same effect as that of the first embodiment.
Further, in the second embodiment, since the connecting portions 39 are provided on three sides, three one-sided members 5 can be connected by one connecting member 33.

FIG. 7 shows the connecting structure 1C according to the third embodiment. In the third embodiment, as in the first embodiment, the connecting tool 9 is a connecting tool for corners, but the configuration of the connecting member 33 is different from that of the first embodiment.
As shown in FIG. 7A, in the connecting member 33, the other member fixing portion 37 is not a rectangular parallelepiped shape having a hollow portion as in the first embodiment, but is in contact with one of the other members forming a corner portion. An intermediate wall portion 59 is provided between the portion 37a, the other member contact portion 37b, and the one other member contact portion 37a and the other other member contact portion 37b.
At the tip of the intermediate wall portion 59, contact portions 61 with one of the members 5 are formed on the left and right sides of the intermediate wall portion 59, respectively.
Further, as shown in FIG. 7B, bolt head insertion holes 45 are formed at two upper and lower positions in the intermediate wall portion 59. Each bolt head insertion hole 45 is for inserting any bolt 35 for fixing one of the other member contact portions 37a and the other bolt 35 for fixing the other member contact portion 37b.
According to this third embodiment, it is possible to obtain the same effects as those of the first embodiment described above.

The fourth embodiment will be described with reference to FIG.
In the fourth embodiment, unlike the connecting member 33 shown in the second embodiment, the other member fixing portion 37 does not have a rectangular parallelepiped shape having a hollow portion 34, but one member abuts on the left and right of the other member abutting portion 37a. The portions 37c and 37d are formed, and the one-side member contact portion 63 that abuts on the one-side member 5 at an intermediate position is also formed at the tip of each of the one-side member contact portions 37c and 37d.
Further, the central connecting portion 39 extends from the left and right intermediate positions to the other member contact portion 37a substantially parallel to the one member contact portions 37c and 37d and beyond the one member contact portion 63.
In the fourth embodiment, a bolt insertion space 67 for inserting the bolt 35 is formed between each of the left and right one-member contact portions 37c and 37d and the central connecting portion 39.

In this fourth embodiment, the same effects as those in the second embodiment can be obtained, and the bolt head insertion hole 45 (see FIG. 1) is not formed in the other member fixing portion 37 of the connecting member 33. Therefore, the connecting member 33 can be easily manufactured.

The present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist of the present invention.
For example, the assembly 3 assembled using the connecting structure according to the present invention is not limited to the trolley as shown in FIG. 5 and the clean booth as shown in FIG. 6, but also other booths that partition the environment in the building. It may be a shelf or the like, and the use and structure of the assembly 3 are not limited.
The connecting portion 39 for fixing the one member 5 to the one member contact surface (side surface) 27a of the other member 7 and the one member contact portions (side surfaces) 37c and 37d of the connecting member 33 is connected. The material 33 is not limited to two, and only one may be provided and only one one member 5 may be abutted and connected to the other member 7.

1A, 1B, 1C, 1D connecting structure 5 One member 5a End face 7 The other member 7a Side surface 9a Corner connecting tool (connecting tool)
9b Intermediate connector (connector)
33 Connecting material 35 Bolts 37c, 37d On the other hand, member contact part (side surface of connecting material)
39 Connection

Claims (1)

It is provided with one member, the other member, and a connecting tool.
The one member is arranged so that a part of the end face in the longitudinal direction is in contact with one side surface of the other member.
The other member has an other side surface that intersects one side surface with which the end faces of the one member abut.
The connector consists of a connecting material, bolts and nuts.
The connecting member abuts on the other side surface of the other member, is fixed to the other member with bolts and nuts, and abuts on the connecting portion projecting to the one member side and the other portion of the longitudinal end surface of the one member. has one side,
Meanwhile members bolt coupling portion, Ri fixed tare by a nut,
A part of the end face of one member comes into contact with one side surface of the other member, and
On the other hand, a connecting structure characterized in that the other portion of the end surface of the member is in contact with one side surface of the connecting member.

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