JPS608526A - Faucet portion sliding flange - Google Patents

Abstract

PURPOSE:To facilitate detachment and attachment of a coupling by inserting an intermediate flange with a faucet male portion in a concave portion formed on the end surface of a flange body in such a manner as to slide axially, and moving the intermediate flange by operating an adjust bolt threaded on the flange body. CONSTITUTION:A concave portion 18 is formed on the end surface 17 of a flange body 11 fixed to a shaft 12 through a key 13, and an intermediate flange 19 having a faucet male portion 21 and a concave groove 22 at both side end surfaces thereof is inserted in the concave portion 18. The axial position of the intermediate flange 19 is adjusted by operating an intermediate flange adjust bolt 26. A link coupling 15 having a faucet female portion 14 at the end surface thereof, to which three rotary plates 34 are coupled by links 33, 35, is fixed to the flange body 11 by a fixing bolt 16. The coupling 15 is detached by detaching the bolt and turning the adjust bolt 26 to draw the intermediate flange 19 into the concave portion 18.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a partially sliding type flange in which a coupling can be attached or removed by sliding a portion of the spigot of the flange without changing the mounting process of the coupling.

For flange connection of couplings that require pilot fitting, as shown in FIG. This is done by fitting into the formed pilot female part 5. In this flange connection with spigot fitting, when the coupling 4 has reached the end of its life or needs maintenance, the flange 2 must be slid onto the shaft 1. I am putting it on and taking it off. However,
The fitting part between the shaft 1 and the flange 2 is often stuck due to fretting wear or rust, and in such cases, the flange 2 is difficult to slide. It was necessary to remove the fixation by tapping, especially the part A in Figure 1, which damaged the parts and was a time-consuming process.

In addition, when sliding type flange connections are not used, attaching and detaching the coupling requires fairly extensive disassembly of the shaft system in order to engage and remove the spigot, which poses a problem that goes beyond simply attaching and detaching the coupling. there were.

The present invention provides a flange connection having a pilot part,
To easily attach and detach a coupling without changing the connection part such as a coupling during coverage and without damaging the coupled part.

The flange of the present invention that achieves this object has a recess formed in the end face of the flange body, an intermediate flange having a male part of the pilot on the end face inserted into the recess so as to be slidable in the direction along the axis. The intermediate flange adjustment bolt is screwed into the intermediate flange adjustment bolt, and the extension part of the intermediate flange adjustment bolt into the recess is engaged with the intermediate flange.

By adopting such a configuration, the spigot fitting can be removed by sliding the intermediate flange without changing the attachment of the connecting parts, and the coupling can be attached and detached without disassembling the shaft system. I can do it. In addition, since the intermediate flange slides by turning the intermediate flange adjustment bolt, it is possible to remove the fixation without applying impact to the flange as in the conventional case, and the coupling
The risk of damage to flanges, etc. can be eliminated. Moreover, since the thrust of the intermediate flange is increased by the screw, a large sliding force can be obtained, and even if the intermediate flange is stuck due to rust, etc., it can be removed reliably.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a partially sliding type flange in accordance with the present invention will be described below with reference to the drawings.

2 to 4 show embodiments of the invention. In the figure, reference numeral 11 denotes a flange body, which is attached to a shaft 12 with its rotation fixed by a key 13 or the like. Flange body 11
is connected to a part, such as a coupling 15, having a pilot female part 14 on its end face, by tightening it with a coupling fixing bolt 16.

A recess 18 is formed in the end surface 17 of the flange main body 11. The recess 18 has an outer diameter larger than the diameter of the shaft 12. A plate-shaped intermediate flange 19 is inserted into the recess 18 so as to be slidable in the direction along the flange axis 20 . The intermediate flange 19 is connected to the end surface 17 of the flange main body 11.
It has a spigot male part 21 on the side end face that protrudes from the end face. A groove 22 is formed on the opposite end surface, and a protrusion 23 is formed on the bottom surface of the recess 18 of the flange main body 11.
It is desirable that the fitting portion of the shaft 12 be large. The protrusion 23 and groove 22 may be omitted depending on the conditions of use. When the intermediate flange 19 is pulled into the recess 18, the spigot male part 21 of the intermediate flange 19
The depth of the recess 18 is determined so that it does not protrude beyond the end surface 17 of the flange body 11 toward the coupling 15.

The flange body 11 and the intermediate flange 19 each have holes 1 to 24 for insertion of the coupling fixing bolt 16.
．． 25 are provided. These pores 1 to 24.2
5 is not threaded. In addition, the flange body 11
Intermediate flange adjustment bolts 26 which extend from the back surface of the flange through the flange main body 11 and into the recess 18 are screwed together at equal intervals in the circumferential direction. A threaded hole for an intermediate flange adjustment bolt 26 is formed in the intermediate flange 19 . The intermediate flange adjustment port 26 has a stepped portion 27 whose tip is reduced in diameter at an extension of the concave portion 18, and the cross section of the stepped portion 27 is formed on the end surface of the intermediate flange 19 on the flange body 11 side. are abuttingly engaged. The reduced diameter portion 28 on the distal side of the stepped portion 27 passes through the intermediate flange 19 toward the coupling 15, and a snap ring 30 is fitted into a groove 29 formed at the penetrating portion. However, in order to prevent the reduced diameter part 28 from protruding beyond the end surface of the intermediate flange 19 on the side of the coupling 15, a small recess 31 is formed in the intermediate flange 19 at the part where the reduced diameter part 28 passes through. 30 is housed in the small recess 31. By sandwiching the intermediate flange 19 between the cross section of the stepped portion 27 and the snap ring 30, the intermediate flange 19 and the intermediate flange adjustment bolt 26 are arranged so that the rotation of the intermediate flange adjustment bolt 26 is allowed, but the flange axis 20 They are engaged with each other so that they move together with respect to movement in the direction along.

Note that 32 is a lock nut.

Further, as the coupling 15, a link coupling is illustrated as an example. The link coupling has a structure detailed in Japanese Patent Publication No. 44-19486, and is
A coupling consisting of two rotary plates 34 connected by links 33 and 35, and capable of transmitting rotation while keeping the axes of the driving shaft and driven shaft parallel and offset both axes. It is. Note that 36 and 37 indicate thrust collars for absorbing minute thrust forces generated by rotation. The coupling 15 is not limited to a link coupling, and may be any connecting component having a pilot female part.

Note that the end surface of the flange body 11 that comes into close contact with the coupling 15 is coated with a material with a higher friction coefficient than metal, such as rubber, or a friction sheet is pasted (as shown in the figure because it is a thin layer) to transmit rotation. The power is expected to increase. Further, a recess 18 provided in the flange main body 11
The inner circumferential surface of the intermediate flange 19 and/or the outer circumferential surface of the intermediate flange 19 in contact with the inner circumferential surface are coated with, for example, tetrafluoroethylene resin to reduce the coefficient of friction and to prevent rust. It is desirable to improve the slidability of the flange 19. Furthermore, the intermediate flange 1
By forming the outer circumferential surface of 9 in an arc shape, sliding performance can be similarly improved.

Next, the operation of the spigot partially sliding type flange of the embodiment having the above configuration will be explained.

First, attachment and detachment of the coupling 15 will be explained. To remove the coupling 15, refer to the coupling fixing bolt 1.
Take 6. Next, unlock the lock nut 32, turn the intermediate flange adjustment bolt 26, and
9 into the recess 18, and the male part 21 of the intermediate flange 19 and the female part 14 of the coupling 15 are disengaged from each other. In this state, the coupling 15 can be removed in a direction perpendicular to the flange axis 20 without sliding the flange body 11 onto the shaft 12 or disassembling the shaft 12.

In addition, when installing the coupling 15, with the intermediate flange 19 pulled into the recess 18 of the flange main body 11, the coupling 15 is attached to the h-tubing fixing bolt 1.
Temporarily tighten with step 6, turn the intermediate flange adjustment bolt 26,
Connect the pilot male part 21 to the pilot female part 1 of the coupling 15.
4, and after fully tightening the coupling fixing bolt 16, tighten the intermediate flange adjustment bolt 26 again toward the coupling 15 side, and then tighten the coupling 15 and intermediate flange 1.
9 and then secure it with a lock nut 32.

In attaching and detaching the coupling 15 as described above, by installing the intermediate flange 19 and sliding the intermediate flange 19, the coupling 15 can be attached and detached without changing the dimensions of the flange connecting parts such as the coupling 15 during attachment. .

In this way, since there is no need to slide the flange main body 11 with respect to the shaft 12, the flange main body 11 can be completely fixed to the shaft 12 by shrink fitting or the like, which is advantageous in terms of torque transmission. In addition, when removing the coupling 15, there is no need to hit the coupling 15 or the flange body 11, and the spigot fitting can be attached or detached using a large force from the screw. It will not damage the 12th etc. or disrupt the installation accuracy.

As is clear from the above description, the spigot-partially sliding type flange of the present invention is made up of a part of the spigot that can slide relative to the flange body. This eliminates damage to flanges and couplings, and allows attachment and detachment without disassembling the shaft system. Through these effects, it is also possible to facilitate the replacement of couplings and improve the reliability of the power transmission system.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of a flange connection part of a conventional coupling; FIG. 2 is a cross-sectional view of a connection part when the coupling is connected using a partially slidable flange according to an embodiment of the present invention; FIG. 3 is a cross-sectional view showing the partially sliding type piston at the spigot shown in FIG. 2, and FIG. 4 is a front view of the partially sliding type piston at the spigot shown in FIG. 3. 11... Flange body 12... Shaft 14... Spigot female part 15... Coupling 16... Coupling fixing bolt 18...・・・
... Recessed portion 19 ... Intermediate flange 20 ... Flange axis 21 ... Pilot male part 26 ... Intermediate flange adjustment bolt 27 ...
・・Stepped portion 28 ・・・Reduced diameter portion 30 ・・・Snap ring 31 ・・・Small recessed portion 32 ・・・Lock nut patent applicant Nippon Piston Ring Co., Ltd. Procedures Written amendment February 8, 1980 Commissioner of the Japan Patent Office 1. Indication of the case 1988 Patent Application No. 115125 2. Name of the invention Partial sliding flange in the inlet 3. Person making the amendment Relationship to the case Patent applicant Address: 4-2-6 Kudankita, Chiyoda-ku, Tokyo Name: Nippon Piston Ring Co., Ltd. Umehachi Den Hidechi Representative: Genkichi Umerai 4, Agent: 107 Address: 1-chome Akasaka, Minato-ku, Tokyo 7-5 Showa Building 6,
Subject of amendment (1) Detailed explanation column of the invention in the specification (2)
) Brief explanation column for drawings in the specification (3) Drawing 7, contents of amendment (1) "Cross section" on page 6, line 7 of the specification is corrected to "1-level plane". (2) Correct the "cross section" on page 6, line 18 of the memorandum to "step surface". (3) "Funge" on page 6, line 20 of the specification is corrected to "1 flange." (4) Insert the following sentence between the 4th and 5th lines on page 7 of the specification. "In the above description, the intermediate flange 19 is sandwiched between the stepped surface of the stepped portion 27 and the snap ring 30, and the intermediate flange 19 is moved in the flange axis direction as the intermediate flange adjustment port 29 rotates. In place of this snap ring 30, a flat screw 38 as shown in FIG. 5 may be screwed onto the intermediate flange adjustment bolt 26, since the same effect can be achieved.'' (5) ) Correct "piston" from line 9 to line 10 on page 11 of the specification to "1-flange". (6) "Bis (
Correct "~n" to "flange". (7) Insert the following sentence between the 12th and 13th lines on page 11 of the Mei M book. [FIG. 5 shows a cross-section of the partially sliding type flange in which a flat screw is used in place of the snap ring of the partially sliding type flange in FIG. (9) Add Figure 5 to the drawings. 8. List of attached documents (1) Drawings (Fig. 2, Fig. 5) 1 copy

Claims (1)

[Claims] (1) A recess is formed in the end face of the flange body, and an intermediate flange with a male part of the spigot formed on the end face is slidably inserted into the recess in the direction along the flange axis, and an intermediate flange adjustment bolt is screwed into the flange body. 1. A partially sliding type flange with a spigot, characterized in that the extension part of the intermediate flange adjustment bolt into the recess is engaged with the intermediate flange.