JP4567555B2 - Washer - Google Patents

Description

  The present invention relates to a washer and, for example, to a washer used when a gauge-adjustable floor plate between a rail and a sleeper is fixed.

Patent Document 1 describes a washer that is used when a gauge-adjustable floor plate between a rail and a sleeper is fixed.
The washer described in Patent Document 1 is used for a screw nail for fixing a tie plate for rail support. And, as the washer, a plurality of types of screw holes having different positions in the eccentric direction are prepared, and appropriate ones of these washers are provided so that the gauge can be adjusted by changing the position of the tie plate. used.

And the said washer is colored which represents the difference in the position of an insertion hole so that the kind can be understood at a glance.
JP 2003-328303 A

  However, in Patent Document 1, only the surface including the side surface of the washer is colored for type identification. Therefore, when the paint is peeled off, it is difficult to determine the type of the washer. That is, since the difference in the position of the insertion hole, that is, the amount of eccentricity is very small, if the paint is peeled off, it is difficult to distinguish the difference only by visual observation. In particular, if the washer is actually used to fix the tie plate, the paint will be peeled off and rust will be formed or fouled due to exposure to wind and rain for a long time. Becomes difficult.

  An object of the present invention is to solve the conventional problems described above and provide a washer that can always and easily discriminate the type regardless of the peeling of the paint.

In the first aspect of the present invention, the display member is accommodated and fixed in the accommodation hole formed on at least one side surface of the front and back side surfaces of the main body. It is a feature.
Accordingly, even if the surface of the main body is peeled off or the surface is rusted, the type of the washer can be determined by the display member. In particular, if the side surface is cut off, the display member appears clearly, and the type discrimination can be performed more reliably and easily.

The invention according to claim 2 is characterized in that, in the invention according to claim 1, the display member is flush with a side surface of the main body.
Therefore, by scraping the side surface of the main body, the display member appears clearly, and the type discrimination can be performed appropriately.

In the invention described in 請 Motomeko 3, in the invention described in claim 1 or 2, wherein the accommodating hole is characterized in that a through-hole passing through in the thickness direction.

Therefore, the type can be determined from both the front and back sides of the washer.
In invention of Claim 4 , in the invention as described in any one of Claims 1-3 , between the said accommodation hole and a display member, dropout for preventing dropout of a display member The prevention means is provided.

Therefore, even if the washer is used for a long period of time or handled roughly, the display member can be prevented from falling off, and the type can be determined without any problem.
The invention according to claim 5 is characterized in that, in the invention according to any one of claims 1 to 4 , the insertion hole of the main body is eccentric.

Accordingly, if a plurality of types having different eccentric amounts are prepared, the gauge adjustment and the like can be appropriately executed.
In the invention described in claim 6 , in the invention described in any one of claims 1-5 , the main body has a polygonal shape.

Therefore, it is possible to prevent the washer from rotating, and the washer can be stably held in a required direction.
The invention according to claim 7 is characterized in that, in the invention according to any one of claims 1 to 6 , a protrusion is formed on a part of the outer periphery of the main body.

  Therefore, it is possible to give the washer a direction that can be understood at a glance in the mounted state, which is convenient when the insertion hole is eccentric.

  According to this invention, even if the coating on the surface of the main body is peeled off, the surface is rusted or soiled, the type of the washer can be determined by the display member. In particular, if the side face of the washer is scraped off, the display member appears clearly, and the type discrimination can be performed more easily.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments embodying the present invention will be described in detail with reference to FIGS.
As shown in FIGS. 1 and 2, a tie plate 11 as a gauge-adjustable floor plate for attaching a sleeper is formed in a long rectangular plate shape from a metal material such as iron, and a pair of shoulder portions 12 are formed on the upper surface thereof. Has been. A single rail 13 is held on the upper surface of the tie plate 11 between the shoulder portions 12. Further, the rail 13 is fixed to the surface of the tie plate 11 by an elastic member such as a leaf spring (not shown) or a fastening member such as a bolt.

  As shown in FIG. 2 and FIGS. 3A to 3C, rectangular washer receiving recesses 14 as recesses are formed at the four corners of the tie plate 11, and a metal material is formed in these washer receiving recesses 14. The washer 15 formed in the shape of a regular square plate is accommodated in a detachable manner. The four corners of these washers 15 are formed in an arc shape so that they can be easily fitted and removed.

  An insertion hole 16 is formed in the center of the main body 15 a of the washer 15. As shown in FIG. 3, the washer 15 includes a reference washer 15 having an insertion hole 16 at a reference position (center of the main body 15a), and the insertion hole 16 as a reference as shown in FIGS. It is comprised from the eccentric washer 15A eccentric from the position which becomes. A plurality of types of eccentric washers 15A having different eccentric amounts are prepared.

  On both side surfaces of the front and back sides of the reference washer 15 and the eccentric washer 15A, an indication 17 of the eccentric distance and the displacement direction of the tie plate 11 based on the eccentricity is made. In addition, the reference washer 15 and the eccentric washers 15A are colored in different colors according to the amount of eccentricity on the entire surface including both side surfaces (FIG. 3C).

  As shown in FIG. 1, a positioning projection 18 having a planar arc shape protrudes from one side surface of each washer 15. On the other hand, in each washer-accommodating recess 14, a positioning recess 19 having a planar arc shape as a recess is formed on the inner side surfaces close to each other in the length direction of the rail 13. When the washer 15 is accommodated in the washer accommodating recess 14, the positioning protrusion 18 is fitted in the positioning recess 19. The eccentric washer 15A is accommodated in the washer accommodating recess 14 such that the eccentric direction is the gauge direction.

  Further, the washer 15 has an outer shape that can be accommodated in the washer accommodating recess 14 even when turned over. The eccentric washer 15A is turned upside down and accommodated in the washer accommodating recess 14, so that the eccentric direction of the insertion hole 16 can be directed in the opposite direction.

  As shown in FIGS. 1 and 3 (a), a circular insertion hole 20 is formed through the inner bottom of the washer-receiving recess 14 so that a screw nail 21 as a fixing member shown in FIG. 5 can be inserted. It has become. The diameter of the insertion hole 20 is larger than the diameter of the insertion hole 16 of the washers 15 and 15A, and even when the eccentric washer 15A having the largest eccentric amount among the eccentric washers 15A is accommodated in the washer accommodating recess 14, A screw nail 21 can be inserted into the insertion hole 20.

  The pair of tie plates 11 are laid on the surface of the square pillar-shaped sleeper tree at predetermined intervals in the length direction of the sleeper tree. The distance between the rails 13 fixed to the tie plate 11, that is, the distance between the tie plates 11, is set by the distance between the two tie plates 11.

  As shown in FIG. 5, a circular screw hole 23 is recessed in the sleeper tree 22 corresponding to the insertion hole 20 of the tie plate 11. The tie plate 11 is fixed to the sleeper 22 by inserting the screw nail 21 with the ring 28 fitted into the insertion hole 16 and the insertion hole 20 into the screw hole 23.

  A through hole 31 is formed between both side surfaces of the washer 15, and both end portions thereof are tapered portions 31a that expand toward the opening side. The through hole 31 is filled with a display member 32 made of a colored synthetic resin. The display member 32 has the same color as each coloring of the surfaces of the washers 15 and 15A.

  Now, a description will be given of a floor board sleeper attaching operation. First, rails 13 are fixed to the surfaces of a pair of tie plates 11 by elastic members such as leaf springs and fastening members such as bolts. Next, a suitable washer 15 or 15A is fitted into each washer-receiving recess 14 and a pair of tie plates 11 are laid on the surface of the sleeper 22 at a predetermined interval. Subsequently, a screw hole 23 is recessed in the sleeper 22 according to the insertion hole 16.

  Next, the screw nail 21 to which the ring 28 is fitted is inserted into the insertion hole 16 and the insertion hole 20. Then, the screw nail 21 is screwed into the screw hole 23 to fix the tie plate 11 to the sleeper 22.

  Next, the gauge adjustment work will be described. First, when the dimension to be adjusted is 3 mm, for example, an eccentric washer 15A having the same eccentric distance L as the dimension to be adjusted among a plurality of types of washers 15 is prepared. At this time, not only the display 17 is made on the front and back surfaces of the eccentric washer 15A, but also the surface of the eccentric washer 15A is colored, and the display member 32 is present. Therefore, a plurality of types of washers 15 can be easily identified, and an eccentric washer 15A corresponding to the dimension to be adjusted can be easily found.

  Subsequently, the eccentric washer 15A is fitted into the washer receiving recess 14 so that the eccentric direction of the insertion hole 16 is opposite to the adjustment direction. At this time, positioning projections 18 project from one side surface of each washer 15, and these positioning projections 18 are fitted into positioning recesses 19. For this reason, the eccentric washer 15 </ b> A can be accommodated in the washer accommodating recess 14 so that the eccentric direction of the insertion hole 16 becomes the gauge direction. For this reason, the tie plate 11 is moved in the adjustment direction according to the eccentric distance L of the eccentric washer 15A.

  At this time, display 17 is made on the front and back surfaces of the eccentric washer 15A, and the moving direction of the tie plate 11 can be visually recognized. That is, the moving direction of the tie plate 11 can be visually recognized in advance when the eccentric washer 15A is fitted into the washer-receiving recess 14. Therefore, it is possible to prevent an erroneous attachment of the washer 15 such that the eccentric washer 15A is fitted in a direction opposite to the direction in which the tie plate 11 is desired to be moved.

Next, the screw 21 is inserted through the insertion hole 16 and the insertion hole 20. Then, the screw nail 21 is screwed into the screw hole 23 to fix the tie plate 11 to the sleeper 22.
Further, the outer shape of the washer 15 is formed so as to be line-symmetric with respect to a plane, and can be accommodated in the washer accommodating recess 14 even when turned over. And the eccentric washer 15A can be turned over to turn the eccentric direction of the insertion hole 16 in the opposite direction. Therefore, the eccentric washer 15A can be adjusted in both directions between the gauges.

  By the way, when the washers 15 and 15A are used for a long period of time, the colored paint on the surface is peeled off, or the display portion is rusted or soiled. In this case, if the display member 32 is exposed on the surface of the washers 15 and 15A by wiping or polishing the side surfaces of the washers 15 and 15A, the type of the washers 15 and 15A can be easily determined.

Therefore, this embodiment exhibits the following effects.
-Since the display member 32 is accommodated and fixed in the through hole 31 as an accommodation hole formed between the side surfaces of the main body 15a of the washer 15, the surface of the main body 15a is peeled off, the surface is rusted or fouled. Even so, the type of the washers 15 and 15 </ b> A can be determined by the display member 32. In particular, if the side surface of the main body 15a is cut away, the display member 32 appears clearly, and the type discrimination can be performed more easily.

  Since the display member 32 is flush with the side surface of the main body 15a, the display member 32 appears clearly and the type can be properly determined by scraping the side surface of the main body 15a.

  -Since the entire surface including the side surface of the main body 15a is colored and the display member 32 has the same color as the coloration, the display member 32 can determine the type of the washers 15 and 15A without mistake.

-Since the said through-hole 31 is a through-hole penetrated in the thickness direction of the main body 15a, a kind can be discriminate | determined from the front and back both sides | surfaces of washer 15 and 15A.
A taper portion 31 a is formed between the through hole 31 and the display member 32 as a drop-off preventing means for preventing the display member 32 from dropping off. Therefore, even if the washer 15, 15A is used for a long period of time or handled roughly, it is possible to prevent the display member 32 from falling off and to perform type discrimination without any problem.

The insertion hole 16 of the main body 15a of the washers 15 and 15A is eccentric. Therefore, if a plurality of types of washers 15A having different eccentric amounts are prepared, it is possible to appropriately perform the gauge adjustment and the like.
-Since the main body 15a of the washers 15 and 15A has a regular square shape, the washers 15 and 15A can be prevented from rotating, and the adjustment of the gauge can be performed stably.

  -Since the protrusion 18 is formed on a part of the outer periphery of the main body 15a of the washer 15, 15A, the washer 15, 15A can be given a direction that can be understood at a glance in the mounted state, and the insertion hole 16 is uneven. Convenient if you are mindful.

It should be noted that the embodiment described above can be modified and embodied as follows.
-The washers 15 and 15A are configured to have a polygon other than a quadrangle such as a triangle, pentagon, or hexagon.

-The accommodation hole for the display member 32 is a bottomed hole provided on at least one of the front and back side surfaces of the washers 15 and 15A.
The opening of the receiving hole for the display member 32 has a different shape according to the amount of eccentricity, for example, a different shape such as a circle, an ellipse, a quadrangle, a triangle, etc. for each amount of eccentricity. In this way, the amount of eccentricity can be recognized more easily.

Sectional drawing which shows the laying state of a rail. Similarly, a partial plan view. (A) is sectional drawing which shows the use condition of a washer, (b) is a partial front view, (c) is sectional drawing of the washer in the part of a display member. (A) is a top view of an eccentric washer, (b) is sectional drawing which shows the use condition of an eccentric washer. Sectional drawing which shows the state with which the tie plate which mounted | wore the reference | standard washer was fixed to the sleeper. Sectional drawing which shows the state by which the tie plate which equipped the eccentric washer was fixed to the sleeper.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Tie plate, 13 ... Rail, 14 ... Washer accommodation recessed part as a recessed part, 15 ... Washer, 15a ... Main body, 15A ... Eccentric washer, 16 ... Insertion hole, 17 ... Display, 18 ... Positioning protrusion, 20 ... Insertion hole, 31 ... Through hole as accommodation hole, 31a ... Taper part as positioning means, 32 ... Display member.

Claims (7)

A washer having an insertion hole and a plate-like main body, wherein a display member is housed and fixed in a housing hole formed on at least one of the front and back side surfaces of the main body. The washer according to claim 1, wherein the display member is flush with a side surface of the main body. The washer according to claim 1 or 2, wherein the accommodation hole is a through-hole penetrating in the thickness direction. 4. A washer according to any one of claims 1 to 3, wherein a drop prevention means for preventing the display member from falling off is provided between the accommodation hole and the display member. . The washer according to any one of claims 1 to 4, wherein the insertion hole is eccentric with respect to the main body. The washer according to any one of claims 1 to 5, wherein the main body has a polygonal shape. The washer according to any one of claims 1 to 6, wherein a protrusion is formed on a part of the outer periphery of the main body.

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