JPH0726636A - Connection mechanism of structure member - Google Patents

Abstract

PURPOSE:To connect structural members to each other and connect paths of the structural members mutually. CONSTITUTION:The tubular part 50 of a pipe connector 42 is fitted in the first path 30 of a structural member 20 and the head 52 of the pipe connector is fitted in the groove 22 of another structural member 20. As a result, the first path 30 of a member is connected to the first path 30 of another member through the pierced hole provided in the pipe connector 42. A first fitting member 44 is inserted in the recession 29a of one structural member 20 and a second fitting member 46 is held in the groove 22 of the other structural member 20a. The structural members 20, 20a are firmly connected and fixed to each other by the connection thereof with bolts 48.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structural member connecting mechanism for connecting structural members to each other and connecting passages of the structural members to each other when the structural members are assembled to construct a structure.

[0002]

2. Description of the Related Art The applicant of the present invention has proposed an actuator in which a driving means such as a motor and a moving member which is displaced under the action of the driving means are housed in a recess of a structural member formed of a substantially elongated columnar body, and an actuator thereof. Proposing a structure (Japanese Patent Application No. 3-
No. 229185, Japanese Patent Application No. 3-360632, Japanese Patent Application No. 3
-360633 and Japanese Patent Application No. 3-360634
issue). In the above proposal, "structural member" is used as a concept that includes both an outer frame of an actuator and a columnar elongated member, and the same concept will be used in the following. To do.

According to the above proposal, a structure having a desired function can be constructed by assembling a plurality of structural members formed in substantially the same shape via a connecting mechanism.

In this case, as an example of the connecting mechanism, the technical idea of connecting by using the bolt member 2 as shown in FIG. 5 is disclosed. That is, one end side of the bolt member 2 is inserted into the hole 6 defined in the longitudinal direction of the structural member 4, and the head 8 provided on the other end side of the bolt member 2 is inserted into the other structural member 4a. The groove 10 is loosely fitted. In such a state, the screw member 14 is screwed through the plate 12 so that the tip portion 16 of the screw member 14 contacts the inclined surface 18 of the cutout portion at the substantially central portion of the bolt member 2. The tip portion 16 is formed in a tapered shape, and when the screw member 14 is screwed in, the inclined surface 18 is pressed to displace the bolt member 2 in the arrow A direction. Therefore, when the bolt member 2 is displaced in the arrow A direction, the head portion 8 of the bolt member 2 is moved.
Exerts a force that pulls the inner wall surface of the other structural member 4a in the direction of arrow A, and as a result, the structural members 4, 4a can be connected and fixed to each other in a substantially perpendicular direction (see FIG. 6). In addition,
Reference numeral 19 indicates a spring member.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made in connection with the above proposal, and is a structure capable of connecting structural members to each other and allowing passages of the structural members to communicate with each other. An object is to provide a connecting mechanism for members.

[0006]

In order to achieve the above object, the present invention provides a groove portion on at least one side surface,
Furthermore, a connecting mechanism for a structural member that connects two structural members having a passage defined to each other, wherein the connecting mechanism has a conduit communication member, and the conduit communication member is one of the structural members of the one structural member. It is composed of a tubular body portion mounted in the passage and a head portion held in the groove portion of the other structural member, and the tubular body portion communicates the passage of the one structural member with the passage of the other structural member. Is provided with a through hole for

Furthermore, the present invention is a structural member connecting mechanism for connecting two structural members, each having at least one side surface with a groove portion defined therein and a passage defined therein, wherein the connecting mechanism is one of A first engaging member inserted into the mounting recess communicating with the groove of the structural member, a second engaging member held in the groove of the other structural member, the first engaging member, and the second engaging member.
And a bolt member that couples with the engagement member.

[0008]

In the structure member connecting mechanism according to the first aspect of the present invention, first, the passages between the structure members are made to communicate with each other by using the conduit communication member. That is, by mounting the head portion in the groove portion of one of the structural members, and then by mounting the tubular body portion in the passage of the other structural member, one of the one through the through hole defined in the tubular body portion. The passage is connected to the other passage. in this case,
The head portion is locked in the groove portion and acts as a stopper.

In the connecting mechanism for structural members according to the second aspect of the present invention, the first engaging member is inserted into the mounting recess of one structural member, and the second engaging member is held in the groove of the other structural member. One structural member and the other structural member are firmly connected and fixed via a bolt member connecting the first engaging member and the second engaging member.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of a connecting mechanism for structural members according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view showing a state in which structural members are connected to each other by applying the structural member connecting mechanism according to the embodiment of the present invention, and FIG. 2 is taken along line II-II shown in FIG. 3 is a plan view of FIG. 1.

As shown in FIG. 1, structural members 20 and 20a.
Are formed into substantially the same and long columnar bodies, and groove portions 22 having substantially the same shape and a substantially T-shaped cross section are defined on the outer side surfaces of the structural members 20 along the longitudinal direction. Structural member 2
0 and the structural member 20a have substantially the same configuration, and therefore the description will be given based on the structural member 20 here, and the description of the structural member 20a will be omitted.

A substantially v-shaped groove 24 is defined along the groove 22 at the entrance of the groove 22. The projection portion 25 formed on the cover member 23 having a substantially U-shaped cross section is engaged with the substantially v-shaped groove 24 so that the cover member 23 has the groove portion 2.
It is attached to 2. The groove portion 22 has a widening portion 26 that widens from the inlet portion in a direction orthogonal to the axis, and the widening portion 26.
Has a hole portion 28 that contracts inwardly to reach a flat bottom surface. On the upper surface of the structural member 20, substantially circular recesses 29a, 29b (mounting recesses) that communicate with the groove 22 are defined near the ends.

Further, the structural member 20 has a large-diameter first passage 30 penetrating along the axial center and small-diameter second passages 32a to 32a penetrating in the longitudinal direction near the four corners.
2d and the third passage 34a, which is located between the first passage 30 and the second passages 32a to 32d and penetrates along the axis.
34d is defined. A plug member 36 for closing the first passage 30 is provided at the end of the structural member 20a (see FIG. 1), and further, the first passage 30 is provided as necessary.
A hole 38 that communicates with is defined (see FIG. 2).

The connecting mechanism for structural members is constructed by connecting one structural member 2
No. 0 first passage 30 and the other structural member 20a first passage 3
0 includes a conduit communication member 42 having a through hole 40 defined therein (see FIGS. 1 and 2), and a first engagement member 44 inserted into the recess 29a (29b) and a groove. It has the 2nd engaging member 46 hold | maintained at 22, and the bolt member 48 which connects and fixes the said 1st engaging member 44 and the 2nd engaging member 46 (refer FIG. 1). In this case, the first
By attaching the engaging member 44 to the one structural member 20 and attaching the second engaging member 46 to the other structural member 20a and connecting the two via the bolt member 48, the structural member 2
0 and 20a can be connected and fixed to each other.

The pipe line communicating member 42 is fitted in the first passage 30 along the axis of the one structural member 20, and the pipe body portion 5 is fitted therein.
0 and a head portion 54 having a protrusion 52 fitted in the hole portion 38. The head portion 54 has a substantially T shape and is held in the groove portion 22 of the other structural member 20a. The tubular body portion 50 and the head portion 54 are integrally formed, and a sealing member 56 is formed in the tubular body portion 50 via an annular groove.
Is installed. Further, the protrusion 52 is formed in the hole 38
A seal member 58 made of an elastic body is provided in a portion to be fitted into the seal member 58. The seal member 58 contacts the inner wall surface of the groove portion 22 and presses the head portion 54 toward the structural member 20 side through its elastic force. Thereby, the conduit communication member 42 can be held in the groove portion 22.

The outer surface of the first engaging member 44 is a recess 29a,
It has a substantially circular shape corresponding to 29b, and a rectangular hole 60 is defined on the inner surface. The hole portion 60 is provided with a screw hole 61 penetrating to the outer surface side. The second engaging member 46 has a substantially T-shaped head portion 62 held in the groove portion 22, and a screw hole 64 into which a bolt member 48 is screwed is provided at an end portion on the opposite side of the head portion 62. Has been.

The structural member connecting mechanism according to this embodiment is basically constructed as described above, and its operation will be described below.

First, the head portion 54 of the conduit communication member 42 is inserted along the groove 22 of the one structural member 20a. In this case, the longitudinal direction of the groove portion 22 and the longitudinal direction of the substantially T-shaped head portion 54 are aligned and inserted. After the insertion, by rotating the head 54 by about 90 ° and screwing it in, the head 54 having a substantially T shape is locked to the inner wall surface of the groove portion 22, and
The projection 52 is fitted into the hole 38 communicating with the first passage 30 (see FIG. 2). At this time, the seal member 58 provided in the vicinity of the protrusion 52 presses the inner wall surface of the groove 22 under the action of its elastic force, so that the substantially T-shaped head 54 is inserted in the groove 22. Be locked. As a result, the structural member 2
The conduit communication member 42 is held at a predetermined portion of the groove portion 22 of 0a, and the pipe body portion 50 projects outward from the groove portion 22.

Next, as shown in FIG. 1, the other structural member 20 is arranged in a direction substantially orthogonal to the structural member 20a and its ends are brought close to each other, and the first passage 30 of the other structural member 20 is arranged. The tubular body portion 50 is fitted into the hole portion forming the. Therefore, the first passage 30 of the one structural member 20 a and the other structural member 20 via the through hole 40 of the conduit communication member 42.
Communicates with the first passage 30 of. A seal member 56 is provided at the connecting portion of the conduit communication member 42 to hermetically maintain the communicating first passage 30.

Subsequently, the first engaging member 44 is inserted into the substantially circular recess 29a of the other structural member 20, and the second engaging member 46 is provided along the groove 22 from the end of the one structural member 20a.
The head 62 is inserted. Then, via the groove portion 22, screw holes 61, 64 of the first engaging member 44 and the second engaging member 46.
The bolt member 48 is screwed into. As the screwing amount of the bolt member 48 increases, the head portion 62 of the second engaging member 46 is pulled in the arrow X direction (see FIG. 3). As a result, one structural member 20a is pulled toward the other structural member 20 side, and both are firmly connected and fixed.

As described above, by using the structural member connecting mechanism according to this embodiment, the structural members 20 and 20a can be firmly connected and fixed to each other, and the structural members 20 and 20a are defined. The first passages 30 can be easily communicated with each other.

Next, FIG. 4 shows an assembly example in which a plurality of structural members are connected by applying the structural member connecting mechanism according to the present embodiment.

This assembly example 200 basically includes a plurality of structural members 202 forming a skeleton and a plurality of actuators 204, 206, 208, 210, 212, 214.
216, 218, 220 and the actuator 20
6, 212, 216 and the balancers 222, 22 arranged side by side
4, 226 and the first and second work tables 228, 230
, Work 232, work storage plate 234, and moving bodies 236, 238, 240, 242, 244, 24.
6, 248, a suction pad 250 and a mechanical hand 252 which function as a work gripping means, and a cylinder 256 in which a cylinder rod 254 is projected. Further, sequencers 258 and 260 with programming boards that function as actuator controllers are detachably attached to the upper surface of the structural member 202. In addition, at both ends of the structural member 202 arranged in a diagonal line of the structural member 202 assembled in a substantially rectangular shape, the connecting member 26 is provided to reinforce each connecting portion.
2, 264 have been applied. Further, the structural member 202
A structural member coupling mechanism 265 that linearly couples the structural members, and a structural member coupling mechanism 267 that couples the structural members 202 to each other in a substantially orthogonal state are provided.

The first working table 228 will be mainly described below in detail.

Actuator 2 arranged substantially horizontally
The actuator 206 is connected in a standing manner in a direction substantially orthogonal to 04. The actuator 2
A balancer 222 is provided in parallel with 06. The actuator 206 is for moving the actuator 208 fixed to the moving body 238 in a substantially vertical up and down direction, and the moving body 240 of the actuator 208 which is connected orthogonally to the actuator 206 is attached to the moving body 240. A cylinder 266 to which the pad 250 is connected is continuously provided. A cylinder 256 is connected to the moving body 242 of the actuator 210, and the work piece 232 is positioned by the cylinder rod 254. In addition, each actuator 204, 206, 208, 210, 21
A motor box 268 is arranged on each of 2, 214, 216, 218, 220 so as to be flush with each other without protruding from the upper surface portion.

Regarding the operation, first, the actuator 2
A fluid passage (first to third passages 30, 32a to 32d, 36 in the structural member 202) to the cylinder 266 connected to the 08.
Supply compressed air via a-36d). Due to the supply of the compressed air, the cylinder rod of the cylinder 266 is displaced downward, and the work 232 arranged on the work storage plate 234 is adsorbed by the adsorption pad 250. By supplying compressed air again, the cylinder rod is displaced upward, and the moving body 236 of the actuator 204 is moved. The actuator 204 stops moving when the work 232 sucked by the suction pad 250 approaches above a desired position, and moves the moving body 238 of the actuator 206 in a substantially vertical downward direction to move the work 232.
Is inserted into a desired hole of the work storage plate 234.
At this time, the cylinder rod 254 of the actuator 210 can be displaced and positioned so that the workpiece 232 is surely inserted into the hole.

As described above, the structure member connecting mechanism according to the present embodiment is not limited to the application to the assembly example 200, but can be applied to various assembly examples of the structure member. Of course.

[0029]

According to the connecting mechanism for a structural member of the present invention, the following effects can be obtained.

That is, by using the conduit communication member, the passage of one structural member and the passage of the other structural member can be easily communicated.

Further, in this manner, in a state of communicating via the conduit communication member, the first engaging member inserted into the mounting recess of one structural member and the groove portion of the other structural member are held. By connecting the second engaging member with a bolt member,
The structural members can be easily connected and fixed to each other. Therefore, the working time for connecting the structural members is greatly reduced, and the working efficiency can be improved.

Further, since the conduit communicating member, the first engaging member and the second engaging member have a simple structure, there is an advantage that they can be mass-produced at low cost.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a state in which structural members are connected to each other by applying a structural member connecting mechanism according to the present invention.

FIG. 2 is a cross-sectional view taken along the line II-II shown in FIG.

FIG. 3 is a plan view of FIG.

FIG. 4 is a perspective view showing an assembly example in which a plurality of structural members are connected by applying the embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a structural member connection mechanism according to a conventional example.

6A is a side view showing a state where structural members are fixed by applying the structural member connecting mechanism shown in FIG. 5;
6B is a partial cross-sectional view of FIG. 6A.

[Explanation of symbols]

20, 20a, 202 ... Structural member 22 ... Groove portion 29a, 29b ... Recessed portion 30 ... First passage 32a to 32d ... Second passage 34a to 34d
... second passage 38 ... hole 40 ... through hole 42 ... pipe passage communicating member 44 ... first engaging member 46 ... second engaging member 48 ... bolt member 50 ... tube body 52 ... projection 54, 62 ... head Parts 56, 58 ... Sealing member

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[Procedure amendment]

[Submission date] September 29, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

The outer surface of the first engaging member 44 is a recess 29a,
It has a substantially circular shape corresponding to 29b, and a rectangular hole 60 is defined on the inner surface. The hole portion 60 is provided with a screw hole 61 penetrating to the outer surface side. The second engaging member 46 has a substantially T-shaped head portion 62 held in the groove portion 22, and a screw hole 64 into which a bolt member 48 is screwed is provided at an end portion on the opposite side of the head portion 62. Has been. The first and second
The engagement members 44 and 46 are made of, for example, aluminum alloy, stainless steel, or the like.
Uses materials such as stainless steel, carbon steel or molybdenum steel
Precision casting, precision (cold) forging, lost wax,
It is preferable to manufacture it by a manufacturing method such as metal powder injection sintering.
Is. As a result, high strength, reduced post-processing, lighter weight,
It is possible to reduce the strike.

Front page continued (72) Inventor Takeshi Nagai 6-20-9 Honmachi, Nakano-ku, Tokyo Heiwa Life Shin-Nakano Building 2F, Plana Co., Ltd.

Claims (2)

[Claims] 1. A structural member connecting mechanism for connecting two structural members, each of which has a groove portion defined on at least one side surface and further defines a passage, wherein the connecting mechanism includes a conduit communication member. However, the conduit communication member is composed of a tubular body portion mounted in the passage of the one structural member and a head portion held in a groove portion of the other structural member, and the tubular body portion includes one of the one A connecting mechanism for a structural member, characterized in that a through hole for communicating the passage of the structural member with the passage of the other structural member is provided. 2. A structural member connecting mechanism for connecting two structural members, each of which has a groove portion defined on at least one side surface and further has a passage defined therein, wherein the connecting mechanism is a groove portion of one structural member. A first engaging member inserted into the mounting recess communicating with the second engaging member, a second engaging member held in the groove of the other structural member, and the first engaging member and the second engaging member combined with each other. And a bolt member for controlling the structure.