JPH06229494A - Combination of pipe joint device - Google Patents

Abstract

PURPOSE:To connect individual connection members, which gather and connect plural fluid pipe lines to each other, together so that they communicate with each other organically in communicating condition or in closing condition. CONSTITUTION:A combination of pipe joint device is provided with a first end part connection member 10 and a second end connection member 12. In the first end part connection member 10, a first external connection part 22 is arranged on one end along the reference axial direction while a female side mutual connection part having a circular connection port 24 of a predetermined depth is arranged on the other end. A pipe line connection part 27 is arranged in the intermediate upper part of the circular connection port 24, and a pipe groove part 28 opened in a communicating port 25 of the pipe line connection part 27 is projected to the inside of the circular connection port 24 by the predetermined length. In the second end connection member 12, a male side mutual connection part 32 is arranged on one end along the reference axial direction to form a circumferential groove 55, and the female side mutual connection part is arranged in the intermediate part of the circumferential groove while a pipe line connection part 42 is arranged in the intermediate upper part of the circular connection port, and a pipe end part 43 and the male side mutual connection part are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combination of pipe joint devices used for connecting fluid conduits to each other. More specifically, a plurality of fluid conduits are concentrated in one block portion. A combination of pipe joint devices to be connected to each other, in particular, a plurality of individual connecting members for connecting fluid conduits to each of them are provided, and these connecting members are communicated with each other as expected. Alternatively, the present invention relates to a combined structure of pipe joint devices that can be connected as one block structure in a closed state as necessary.

[0002]

2. Description of the Related Art Generally, in a mechanical device or the like which requires a fluid supply, when a plurality of individual fluid conduits are connected to each other as desired by connecting members, for example, From the standpoint of improving the workability of assembly, or maintaining and managing after assembly, it may be necessary to combine these connecting members into one block portion and connect them together. That is, as an example, a hydraulic oil supply system for hydraulic operation in industrial machines or vehicles, an oil supply system for supplying lubricating oil to sliding parts, and the like are the same.

However, in such a case, in the conventional case, a plurality of fluid conduits are mutually connected by using individual connecting members in one block portion, and further, in a conduit connecting portion set at a specific position. I'm trying to connect to.

[0004]

However, in the case of the conventional example configured as described above, each individual connecting member for connecting a plurality of fluid pipelines in association with each other is
In many cases, they are not connected to each other by themselves, and they cannot always be connected efficiently and efficiently, and even if they are configured to be connected to each other, they are not connected to each other. However, there was a problem that the connection was relatively troublesome and lacked in workability, and that it was not easy to perform maintenance and inspection after the fact.

The present invention is intended to solve the above-mentioned conventional problems, and an object of the present invention is to connect individual fluid conduits composed of a plurality of individual fluid conduits to each other. The members are in organic communication with each other,
Alternatively, it is to provide a combination of pipe joint devices of this kind, which can be connected and connected in a closed state as required.

[0006]

In order to achieve the above-mentioned object, a combination of pipe joint devices according to the present invention has a first external pipe line connected to one end side along a reference axial direction.
The external connection part of the female external interconnection part, which has a circular connection hole communicating with the first external connection part with a predetermined depth, is provided on the other end side of the external connection part On top,
A pipe connecting portion for connecting the fluid pipes is provided orthogonally to the reference axis direction, and a pipe end opened by a communication hole of the pipe connecting portion is projected into the circular connecting hole by a predetermined length. The first end connecting member and the circular connection having the length corresponding to the depth, which is inserted into the circular connecting hole in the first end connecting member on one end side along the reference axis direction. A male side interconnection part having a tube is provided, and a peripheral groove deeper than the projecting length of the pipe end is formed on the surface part of the circular connection tube where the flange part is left at the end part. One side of the lower part of the is a cutout part corresponding to the protruding length of the pipe end part, and a through hole orthogonal to the reference axis direction is bored in the middle part of the peripheral groove, and a circular connecting tube is formed on the other end part side. A female-side interconnecting portion is formed by drilling a circular connecting hole having a predetermined depth communicating with the fluid pipe, and the fluid pipe is formed in the middle upper portion of the circular connecting hole at right angles to the reference axis direction. Provided with a conduit connection section for connecting the, the tube end portion which is opened by the communication hole of the same conduit connection unit,
The intermediate portion connecting member that protrudes into the circular connecting hole by a predetermined length, and the one end portion along the reference axis direction, which is fitted and inserted into the circular connecting hole of the intermediate portion connecting member, the depth. A male side interconnection part having a circular connecting tube of a corresponding length is provided, and a peripheral groove deeper than the protruding length of the pipe end is formed on the surface part of the same circular connecting tube where the flange is left. By forming, one side of the lower part of the collar part is made into a cutout part corresponding to the protruding length of the pipe end part,
Also, a second end portion in which a through hole orthogonal to the reference axis direction is bored in the middle portion of the circumferential groove, and a second external connecting portion for connecting the second external connecting portion is provided on the other end side thereof And a connection member.

[0007]

That is, according to the present invention, the circular connecting hole on the male side is inserted into the circular connecting hole on the female side while the end connecting member and the intermediate connecting member are rotated half a turn. By fitting the connection tube and rotating the both of them again by half rotation, they can be engaged and restrained to be connected and coupled integrally and in a block shape.At the time of such connection, The flow path between the external connection parts can be communicated with each other by interposing the circular connection hole and the circular connection cylinder, and the conduit connection parts can be communicated with the flow path.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the combination of pipe joint devices according to the present invention will be described in detail below with reference to FIGS.

FIGS. 1 (a), 1 (b) and 1 (c) are a front view and a plan view showing a mode in which the respective members of the combination of the pipe joint devices in this embodiment are connected and integrally assembled. FIG. 2 is an enlarged partial cross-sectional view showing a combined configuration of essential parts of the same as above, and FIGS. 3 (a), 3 (b) and 3 (c) are the same as the structure of the first end connecting member. 4A, 4B, and 4C are front views, end views, partial vertical cross-sectional views, and FIG. a), (b) and (c) are the same as the above, but are a front view, an end view, a partial longitudinal sectional view, and FIG.
(A), (b) is the front view and end view which show the structure of a closure member same as the above.

That is, in the construction of each of the embodiments, reference numeral 10 is a first end connecting member, 11 is an intermediate connecting member,
Reference numeral 12 denotes a second end connecting member, and each of these connecting members has a reference axial direction A-A as will be described later.
1 (a) and 1 (b), one embodiment in which the connecting members are integrally connected to each other so as to be connected to each other so as to be able to communicate with each other ),
As shown in (c) and FIG. And again, 13
Is a closing member that closes the communication state between the respective members as necessary in the same coupled state.

Thus, the above-mentioned first end connecting member 1
No. 0 has a joint body 21 as shown in FIGS. 3 (a), 3 (b) and 3 (c), and the joint body 21 has a joint body 21 in the reference axial direction AA. Along the one end portion side, a first external connection portion 22 having a screw hole 23 for connecting the first external conduit 15 and the like is provided, and the other end portion side is also provided. Then, a circular connecting hole 24 having a circular cross section is bored to a depth corresponding to a predetermined depth l, and a communicating hole 25 having a diameter smaller than that of the circular connecting hole 24 is made to communicate with the screw hole 23. Lever communication hole 25
Is provided with a female side interconnection part 23 in which a closing recess 26 is formed on the inner end surface on the side of the circular connection hole 24, and the reference axis is provided on the intermediate part upper side of the circular connection hole 24 in the interconnection part 23. At least the individual fluid lines 1 orthogonal to the direction AA
7 is provided with a pipe connecting portion 27, and a pipe end 28 opened by a communicating hole 29 of the pipe connecting portion 27 is provided inside the circular connecting hole 24 by a predetermined length d. It is projected to.

Next, as shown in FIGS. 4 (a), 4 (b) and 4 (c), the intermediate portion connecting member 11 has a joint body 31, and the joint body 31 has a joint body 31. Part 31
Is located along one side of the reference axial direction AA and is open at one end side thereof with respect to the circular connection hole 24 of the other end side interconnection part 23 of the first end connection member 10. O at the end
There is provided a male side interconnection part 32 having a circular connection tube 33 having a length corresponding to the depth l, which is closely fitted so as to be sealed by a ring 34 or the like. A peripheral groove 35 deeper than the protruding length d of the pipe end portion 28 is formed on the surface portion of the pipe end portion 28 where the flange portion 36 is left, and one lower side of the flange portion 36 is attached to the pipe end portion 28. Of the peripheral groove 35 corresponding to the pipe line connecting portion 25. The cutout portion 36a corresponds to the projecting length d of the peripheral groove 35 corresponding to the pipe connecting portion 25. In the middle part,
Through holes 38, 38 orthogonal to the reference axial direction AA are bored, and further, on the other end side thereof, a circular connecting hole 40 having a circular cross section is formed to a predetermined depth in the same manner as described above. The circular connecting hole 40 is communicated with the communicating hole 37, and the closing concave portion 4 is formed on the inner end surface on the circular connecting hole 40 side.
1 is provided on the female side interconnecting portion 39, and an intermediate portion of the circular connecting hole 40 at this interconnecting portion 39 is orthogonal to the reference axial direction A-A, and one of the individual fluid conduits 17 is A pipe connecting portion 42 for connecting two pipes is provided, and a pipe end portion 43 opened at a communication hole 44 of the pipe connecting portion 42 is projected into the circular connecting hole 24 by a predetermined length d. There is.

Next, the above-mentioned second end connecting member 1
As shown in FIGS. 5 (a), 5 (b), and 5 (c), No. 2 has a joint body 51, and the joint body 51 has the reference axial direction A-A. Along one side of the intermediate portion connecting member 11 as described above.
The circular connection hole 40 of the other end side interconnection part 39 in
A male-side interconnection portion 52 having a circular connection tube 53 having a length corresponding to the depth l, which is tightly fitted and inserted on the opening end side so as to be sealed by an O-ring 54, is provided. Further, a circumferential groove 55 deeper than the protruding length d of the pipe end portion 42 is formed on the surface portion of the circular connecting tube 53 where the flange portion 56 is left at the end portion, and one portion on the lower side of the flange portion 56 is formed. The side is a cutout portion 56a corresponding to the protruding length d of the tube end portion 42,
A communication hole 57 having a diameter smaller than that of the closing recess 41 is bored in the central portion of the shaft, and a through hole orthogonal to the reference axial direction AA is formed in an intermediate portion of the circumferential groove 55 corresponding to the conduit connection portion 42. The holes 58, 58 are bored, and further, on the other end side thereof, the screw holes 60 for connecting the second external pipe line 16 and the like are bored here as well. Two external connection parts 59 are provided.

Next, the above-mentioned closing member 13 is shown in FIG.
As shown in (a) and (b), a closing piece 61 that is tightly inserted so as to be able to be sealed by an O-ring 62 or the like with respect to the respective closing recesses 26 and 41.
The closing member 13 is appropriately used in accordance with each aspect of pipe line connection described later.

Incidentally, in the case of the configuration of this embodiment, the illustrated manners of the pipe line connection portions 27 and 42 are shown as the connection and fixation of the fluid pipe line 17 by the stopper nut, but other, for example, well. There is no problem even if it is a known one that can be inserted and connected by one operation.

Therefore, in the case of the combination of the pipe joint devices according to this embodiment, one first end connecting member 10, an arbitrary number of intermediate connecting members 11 and one second end are provided. The connecting member 12 is a female-side or male-side interconnecting portion 23 and 32 between the end portions along the reference axial direction AA, and 3 respectively.
It is possible for 9 and 52 to be serially coupled and assembled together in the following block order in the following manner.

That is, in the connection coupling in which the first end connecting member 10 and the intermediate connecting member 11 are connected to each other, the intermediate connecting member 1 is first connected to the first end connecting member 10.
1 is held in a half-rotated state, and the first end connecting member 1
The circular connection hole 33 of the female side interconnection portion 23 at 0 is fitted with the circular connection tube 33 of the male side interconnection portion 32 at the intermediate portion connection member 11. That is, in the state in which the both are half-turned in this way, the circular connection hole 2 in the female-side interconnection portion 23 is
4, because the pipe end portion 28 projecting in the upper inside and the male side interconnecting portion 32 of the circular connecting cylinder 33 have a recessed portion 36a which is recessed outside the collar portion 36 of the circular connecting tube 33. In addition, both of these can be fitted.

Then, when both of these are fully fitted in this manner, on the one hand, the pipe end 28 is inserted into the circumferential groove 35.
Are taken in to seal the open end of the female side interconnection part 23 and the base end part of the male side interconnection part 32, and the cutout 36a passes the position of the pipe end 28. Both of them can be returned to the initial position by rotating again half way, and in this returning state, the collar portion 36 on the side opposite to the cutout portion 36a is engaged inside the pipe end portion 28. When they are combined and restrained, they cannot be pulled out in their positions, that is, as a result, as shown in FIG.
It is possible to connect the 0 and the intermediate portion connecting member 11 to each other by connecting them very easily and easily.

Then, as described above, the first end connecting member 1
At the time when 0 and the intermediate portion connecting member 11 are connected,
The communication of the flow path from the external connection portion 22 to the circular connection hole 40 is achieved, and the conduit connection portion 2 is connected to this flow path.
7 and 42 are communicated.

Further, at this time, in order to block the space between the first end connecting member 10 and the intermediate connecting member 11 from each other, if necessary, prior to the fitting of both, the female The inside of the closing recess 26 formed in the inner end surface of the circular connecting hole 24 in the side interconnecting portion 23 may be closed by inserting the closing member 13.
Is the circular connecting tube 3 at the male side interconnection 32 in the coupled state.
The pressure is secured by the end portion of 3.

Therefore, the connection coupling in which the first end connecting member 10 and the intermediate connecting member 11 are connected to each other is as follows.
Next, the connection coupling between the respective intermediate connecting members 11 and 11 and the connection coupling between the intermediate connecting member 11 and the second end connecting member 12 and the blockage of the flow path by the blocking member 13 at the time of the connection. The same can be done for each.

Further, from the state where the members 10 to 12 are integrally connected and coupled to each other in this manner, again,
In order to pull them apart, an operation opposite to the above may be performed, and here too, it can be performed extremely easily and easily.

[0023]

As described above in detail, according to the present invention, the first external connecting portion for connecting the first external pipe line is provided at the one end portion side along the reference axial direction and the other end portion side thereof. And a female-side interconnecting portion having a circular connecting hole having a predetermined depth and communicating with the first external connecting portion is provided on each of the connecting portions. A first end connecting member in which a pipe connecting portion for connecting the pipes is provided, and a pipe end opened in a communication hole of the pipe connecting portion is protruded into the circular connecting hole by a predetermined length; And a male side interconnection part having a circular connection tube of a length corresponding to the depth, which is inserted into the circular connection hole of the first end connection member at one end side along the reference axis direction. Is provided, and a peripheral groove deeper than the protruding length of the pipe end is formed on the surface part of the circular connecting tube where the flange part is left at the end part. One side has a cutout corresponding to the protruding length of the pipe end, a through hole orthogonal to the reference axis direction is bored in the middle of the circumferential groove, and the other end communicates with the circular connecting tube. A female-side interconnection part is provided in which a circular connection hole having a predetermined depth is drilled, and a conduit connection part for connecting a fluid conduit is provided at an intermediate upper portion of the circular connection hole so as to be orthogonal to the reference axis direction. , A middle end connecting member in which a pipe end opened in a communication hole of the same pipe connecting portion is projected into a circular connection hole by a predetermined length, and further, an intermediate portion on one end side along the reference axis direction, A male side interconnection part having a circular connection tube of a length corresponding to the depth, which is inserted into the circular connection hole of the part connection member, is provided, and a collar portion is left at the end of the circular connection tube. A circumferential groove deeper than the protruding length of the pipe end is formed on the surface of the flange, and one side of the lower part of the collar part is cut to correspond to the protruding length of the pipe end. And parts, and to drill a through hole perpendicular to the reference axis direction in the middle portion of the circumferential groove, in the other end, the connecting the second external connection portion 2
And a second end connecting member provided with an external connecting portion, the end connecting member and the intermediate connecting member are half-rotated with each other, and are interconnected on the female side. By fitting the circular connection tube of the male side interconnection part into the circular connection hole of the part, and by making a half rotation again between these two,
It is possible to engage and restrain each other to connect and connect them integrally and in a block shape.At the time of such connection, the flow path between the external connecting portions is placed between the circular connecting hole and the circular connecting tube. In addition to being able to communicate with each other, each conduit connection portion can be communicated with this flow path, and a closing recess is formed on the inner end surface that communicates along the reference axis direction of the circular connection hole. Since the closing concave portion can be removably closed by the closing member, it is possible to combine the pipe connection according to various aspects together with the integral and block-like connection connection by each connecting member. It is extremely useful as a pipe joint device when a plurality of fluid pipes are concentrated in one block and connected to each other, and the structure of each connecting member is relatively simple, easy and inexpensive. Can provide What outstanding features and has a.

[Brief description of drawings]

1 (a), (b) and (c) are front views showing a mode in which respective members in an embodiment of a combination of a pipe joint device according to the present invention are connected and coupled integrally with each other. , A plan view and an end view.

FIG. 2 is a partial cross-sectional view showing, in an enlarged manner, a combined configuration of main parts of the same.

3 (a), (b), and (c) are a front view, an end view, and a partial vertical sectional view showing the configuration of the first end connecting member of the above.

4 (a), (b) and (c) are a front view, an end view and a partial vertical sectional view showing the configuration of the intermediate connecting member of the above.

5 (a), (b), and (c) are a front view, an end view, and a partial vertical sectional view showing the configuration of a second end connecting member of the above.

6 (a) and 6 (b) are a front view and an end view showing the structure of the same closing member.

[Explanation of symbols]

 10 First End Connection Member 11 Intermediate Connection Member 12 Second End Connection Member 13 Closing Member 21 Joint Body Part 22 First External Connection Part 23 Female-side Interconnection Part 24 Circular Connection Hole 25 Communication Hole 26 Blocking recess 27 Pipe connection portion 28 Pipe end portion 31 Joint body portion 32 Male side interconnection portion 33 Circular connection tube 35 Circumferential grooves 36, 36a Collar portion and cutout portion 37 Communication hole 38 Through hole 39 Interconnection portion 40 Circular connection hole 41 Blocking concave portion 42 Pipe line connection portion 43 Pipe end portion 51 Joint main body portion 52 Male side interconnection portion 53 Circular connection cylinder 55 Circumferential grooves 56, 56a Collar portion and cutout portion 57 Communication hole 58 Through hole 59 2nd external connection part 61 Closure piece AA Reference axis direction

Claims (2)

[Claims] 1. A predetermined depth at which a first external connecting portion for connecting a first external conduit is connected to one end portion along the reference axis direction and the other end portion is connected to the first external connecting portion. A circular interconnecting hole is provided on each female side interconnecting portion, and a pipe connecting portion for connecting a fluid pipeline orthogonal to the reference axis direction is provided at an intermediate upper portion of the circular connecting hole. A first end connecting member having a pipe end opened in a communication hole of the same pipe connecting portion and protruding into the circular connection hole by a predetermined length, and one end side along the reference axis direction, A male side interconnection part having a circular connection tube having a length corresponding to the depth, which is inserted into a circular connection hole in the first end connection member, is provided, and the end portion of the circular connection tube is provided. A peripheral groove deeper than the projecting length of the pipe end is formed on the surface part where the flange part is left, and the lower one side of the flange part is set to the projecting length of the pipe end part. A through hole orthogonal to the reference axis direction is bored in the middle part of the circumferential groove and a circular connecting hole of a predetermined depth communicating with the circular connecting tube is bored in the other end side. A female side interconnection part is provided, and a conduit connection part for connecting the fluid conduit is formed at an intermediate upper portion of the circular connection hole at a position orthogonal to the reference axis direction, and is opened by a communication hole of the conduit connection part. An intermediate portion connecting member in which the formed pipe end portion is protruded into the circular connecting hole by a predetermined length, and one end portion side along the reference axis direction with respect to the circular connecting hole in the intermediate connecting member. A male side interconnection part having a circular connection tube of the length corresponding to the depth to be inserted is provided, and a projection of the pipe end portion is provided on a surface part of the circular connection tube where a flange is left at the end part. A peripheral groove deeper than the length is formed, and one lower side of the flange is made a cutout portion corresponding to the protruding length of the pipe end, and the middle of the peripheral groove is formed. And a second end connecting member having a second external connecting portion for connecting the second external connecting portion on the other end side, the through hole being orthogonal to the reference axis direction, A combination of pipe joint devices characterized by being provided. 2. A closing recess is formed on an inner end surface of the circular connecting hole communicating with the reference axis direction, and the closing recess can be removably closed by a closing member. Item 2. A combination of the pipe joint devices according to Item 1.