JPH0527337U - Linear motion rolling guide unit stopper - Google Patents

Abstract

(57) [Abstract] [Purpose] It is possible to push in and pull out from the track rail in the vertical up and down direction, and it is possible to use the bolt holes, concave grooves, etc. on the top surface of the track rail for locking and To provide a stopper for a linear motion rolling guide unit that can be locked for general purposes even if there are slight differences in cross-sectional shape and dimensions. [Structure] The interval between the locking legs at both ends of the stopper body formed of a narrow plate made of an elastic material in an inverted C shape is smaller than the interval between the rolling element rolling raceway grooves on both sides of the track rail, When the locking leg is fitted into the rolling element rolling raceway groove, a part of the inner surface thereof is elastically contacted with a part of the top surface of the track rail by elastic deformation mainly of the stopper.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is capable of sliding a linear motion rolling guide unit that moves forward and backward while straddling a track rail from the track rail during the process of storage, transportation, etc. until it is installed in a precision machine tool, various test equipment, etc. So as not to exist, it relates to the improvement of the stopper attached to the track rail.

[0002]

[Prior Art]

 An example of a stopper that prevents the linear motion rolling guide unit spanning the track rail from slipping off the track rail before being assembled to a machine tool or a test device is disclosed in, for example, Japanese Patent Laid-Open No. 62-255612. Although there is a structure such as that shown in the official gazette, it has to be fitted and removed from the end face portion of the track rail, and there is a problem that it takes a little time to fit and remove.

[0003]

[Problems to be solved by the device]

 The present invention can be inserted / removed by simply pushing it vertically from an arbitrary position on the track rail top surface and pulling it out, and it is also possible to use a fixing bolt hole that opens on the track rail top surface or a recess orthogonal to the track rail length direction. A groove, etc. can also be used for locking, and even if there are differences in the cross-sectional shape and dimensions of the track rail, if the difference is within a certain range, a simple stopper with a structure that can be used universally is provided. That is the issue.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, in the invention of claim 1, both ends of a narrow plate made of an elastic material are bent in a direction orthogonal to the surface of the plate to form a substantially C-shaped stopper main body, Both ends of the narrow plate are close to each other to form left and right locking legs, and the space between the locking legs is defined by the rolling track grooves of the rolling elements formed on the left and right side surfaces of the track rail. The vertical distance between the top inner surface of the stopper main body and the inner upper surface of the locking leg is smaller than the gap, and the stopper main body is elastically deformed when both the left and right locking legs are fitted into the track groove. A part of the inner surface has a height that allows it to elastically contact a part of the top surface of the track rail.

In the invention of claim 2, the stopper main body has the same width and thickness over the entire length, and in the invention of claim 3, the stopper as a whole has the same thickness over the entire length, and the width is the minimum at the top. Yes, both sides of the top are gradually widened toward the locking legs.

According to the invention of claim 4, the stopper main body has the same width over the entire length, the thickness is the smallest at the top, and the thickness on both sides of the top gradually increases toward the locking leg. It was configured.

[0007]

[Action]

 According to the first aspect of the present invention, the stopper main body is a narrow plate made of an elastic material, the stopper main body has a substantially inverted C shape, and the distance between the left and right locking legs is equal to that of the left and right sides of the track rail. Since it is smaller than the space between the dynamic track grooves, when the left and right locking legs are expanded and pushed vertically from the top surface of the track rail, the locking legs move downward along the side surface of the track rail. It is fitted into the rolling raceway groove by the resilience reaching the rolling raceway groove.

By expanding the left and right locking legs, the relative vertical distance between the inner upper surface of the locking legs and the inner surface of the top of the stopper main body is shortened, so that part of the inner surface of the stopper main body is The stopper is securely locked to the track rail due to the elastic resilience that elastically contacts the top surface of the rail and acts on this elastic contact part and the elastic resilience of the locking leg that is fitted in the rolling raceway groove. The stopper-side side end faces that project outward from the top surfaces of the track rails and the left and right side wall surfaces cause a stop action for the linear motion rolling guide unit and prevent the guide unit from slipping off.

According to the second aspect of the present invention, the stopper main body is elastically deformed so as to be flattened as a whole, and the inner surface of the stopper main body elastically contacts both left and right shoulders of the top surface of the track rail.

According to the third and fourth aspects of the invention, when the left and right locking legs are expanded outward, the top of the stopper main body, which is narrow or thin, is elastically deformed and recessed. The inner surface of the recessed portion elastically contacts the central area of the top surface of the track rail.

The elastic contact between the inner surface of the stopper main body and the top surface of the track rail is performed by elastic deformation of the stopper main body. Therefore, even if there are differences in the cross-sectional shape and dimensions of the track rail, If the difference is within the elastically deformable range, the elastic deformation absorbs the difference in the cross-sectional shape and dimensions of the track rail, so that one stopper can be used for multiple types of track rails with different cross-sectional shapes and dimensions. it can.

[0012]

【Example】

 1 to 4 show an example of an embodiment to which the inventions of claims 1 and 2 are applied in combination. A stopper main body composed of a narrow plate body formed of elastic metal or hard synthetic resin having large elasticity In the case of 1, both end sides 2 and 3 are bent in a direction orthogonal to the surface of the plate body to have a substantially inverted C shape.

Both ends of the stopper main body 1 are close to each other and bent outward in a small-diameter circular arc shape to form left and right locking legs 4 and 5.

The stopper main body 1 has the same width W1 and the same thickness T1 over the entire length including the locking legs 4 and 5.

The distance D1 between the locking legs 4 and 5 of the stopper main body 1 in the stationary state is between the rolling raceway grooves 9 and 10 of the rolling elements formed on the left and right side surfaces 7 and 8 of the track rail 6. The distance is less than D2.

As shown in FIG. 3, the vertical distance D3 between the top inner surface 11 of the stopper main body 1 and the inner upper surfaces 12 and 13 of the locking legs 4 and 5 is as shown in FIG. When fitted into the rolling raceway grooves 9 and 10 of the track rail 6, the stopper main body 1 is elastically deformed to a flat shape, and a part of the inner surface 14 including the top inner surface 11, that is, inner surfaces of both end sides 2 and 3 in the illustrated example. The height 14 is selected so that it can elastically contact a part of the top surface 15 of the track rail 6, that is, the ridges of the left and right shoulders 16 and 17 of the top surface 15 in FIG.

The elastic contact between a part of the inner surface 14 of the stopper main body 1 and a part of the top surface 15 of the track rail 6, that is, the ridges of the shoulders 16 and 17 in FIG. Even if there is a slight difference in the cross-sectional shape and size in the vertical cross section of the track rail 6 to be fitted, the difference is within the elastically deformable range of the stopper main body 1. If it is inside, it can be applied to the track rails 6 having different sectional shapes and sizes.

FIG. 4 shows that when the top surface 15 of the track rail 6 is formed with a recessed groove 18 that intersects the lengthwise direction of the track rail 6, the stopper main body 1 is fitted in the recessed groove 18 portion. This is an example in which the side end surface 19 of the stopper main body 1 and the side surface 20 of the concave groove 18 are engaged with each other to strengthen the stop action of the stopper main body 1. It goes without saying that the fitting position may be any position on the top surface 15 shown in FIG.

The fitting posture of the stopper main body 1 shown in FIGS. 3 and 4 is such that the locking legs 4, 5 of the stopper main body 1 in the posture shown in FIG. It is realized by fitting the upper part of the side faces 7 and 8 from the direction of the face 15 and pressing vertically downward.

The removal of the stopper main body 1 can be easily achieved by picking it up with pliers or the like and pulling it up vertically.

FIGS. 5, 6 and 7 show an example in which the inventions of claims 1 and 3 are applied together, and the stopper main body 21 of this embodiment has the same thickness over the entire length. However, the width W2 of the top portion 22 is the smallest, and both sides 23, 24 of the top portion 22 are gradually widened toward the locking legs 25, 26. Although different from the example, the other structure is the same as that of the embodiment shown in FIGS.

As shown in FIG. 7, the stopper main body 21 shown in FIGS. 5 and 6 fits the locking legs 25 and 26 into the rolling raceway grooves 30 and 31 of both side surfaces 28 and 29 of the track rail 27. With the expansion of both end portions 32 and 33 in the directions of arrows A and B, the portion including the top portion 22 having the weakest elastic force and both sides 23 and 24 thereof are elastically deformed in the direction of arrow C to be concave. The inner surface of the top portion 22 is elastically contacted with the top surface 34 of the track rail 27.

FIG. 8 shows an example in which the inventions of claims 1 and 4 are applied in combination, and the width of the stopper main body 35 is the same as that of the embodiment shown in FIG. 1 has the same width, but the thickness T2 of the top portion 36 is minimum and the thickness of both sides 37, 38 is gradually increased toward the locking legs 39, 40. 1 to 4, the other structure is the same as that of the embodiment shown in FIGS. 1 to 4.

When the embodiment shown in FIG. 8 is also fitted to the track rail 27 as shown in FIG. 7, the top 36 and both sides 37 and 38 are recessed, and the inner surface of the top 36 is the top surface 34 of the track rail 27. The elastic contact with is exactly the same as that of the embodiment shown in FIGS. 5, 6 and 7.

The embodiment shown in FIG. 5, FIG. 6 and FIG. 7 and the embodiment shown in FIG. 8 exhibit the above-described behavior, so that the top surface 15 of the track rail 6 shown in FIG. By locking the inner surfaces of the top portions 22 and 36 in the open bolt holes 41 for fixing the track rail, the locking force as a stopper can be increased.

In addition, in both the embodiment shown in FIGS. 5, 6 and 7 and the embodiment shown in FIG. 8, both end portions 32, 33, 42, 43 are outward when the track rail is fitted. Since it bulges out, the stop action is certain.

[0027]

[Effect of the device]

 According to the first aspect of the present invention, the left and right locking legs are expanded, pushed vertically into the track rail from above, and pulled out upward, so that they can be fitted and removed. In addition, it has a simple structure and can be supplied at a low price.

According to the second aspect of the present invention, since the inner surface of the stopper main body is in elastic contact with the left and right shoulders of the top surface of the track rail, a concave groove that is orthogonal to the length direction of the track rail is formed on the top surface of the track rail. When it is provided, the effect of improving the stop action can be obtained by cooperation with the groove.

According to the inventions of claims 3 and 4, when a track rail fixing bolt hole is provided on the top surface of the track rail, the stop operation can be improved by cooperation with the bolt hole. Play.

Further, in any of the inventions, even if there is a difference in the shape, size, etc. of the cross section of the track rail, if the difference is within a certain range in which the stopper main body can be elastically deformed, one kind of stopper is generally used. Has the effect that can be used.

[Brief description of drawings]

FIG. 1 is a front view of an example of an embodiment to which the inventions of claims 1 and 2 are applied.

FIG. 2 is a plan view of what is shown in FIG.

FIG. 3 is a front view of the usage shown in FIG.

FIG. 4 is a perspective view showing another usage example of the one shown in FIG.

FIG. 5 is a front view of an example of an embodiment to which the inventions of claims 1 and 3 are applied in combination.

FIG. 6 is a plan view of what is shown in FIG.

FIG. 7 is a front view of what is shown in FIG. 5 in use.

FIG. 8 is a front view of an example of an embodiment to which the inventions of claims 1 and 4 are applied together.

[Explanation of symbols]

 1,21,35 Stopper main body 2,3 End part 4,5,25,26,39,40 Locking leg 6,27 Track rail 7,8,28,29 Side surface 9,10,30,31 Rolling raceway groove 11 inner surface of top surface 12,13 inner upper surface 14 inner surface 15,34 top surface 22,36 top portion 23,24,37,38 both sides D1 spacing between locking legs D2 spacing between rolling raceway grooves D3 vertical spacing T1, T2 thickness W1, W2 width

Claims (4)

[Scope of utility model registration request] 1. A narrow plate body made of an elastic material is bent at both ends thereof in a direction orthogonal to a surface of the plate body to form a substantially C-shaped stopper main body, and both ends of the narrow plate body are mutually formed. The left and right locking legs are formed close to each other, and the distance between the locking legs is smaller than the distance between the rolling track grooves of the rolling elements formed on the left and right side surfaces of the track rail. The vertical distance between the inner surface and the inner upper surface of the locking leg is determined by elastic deformation when the left and right locking legs are fitted into the raceway groove.
A stopper for a linear motion rolling guide unit whose height is such that a part of the inner surface of the stopper main body can elastically contact a part of the top surface of the track rail. 2. The stopper for a linear motion rolling guide unit according to claim 1, wherein the stopper main body is formed over the entire length and has the same width and the same thickness. 3. The linear motion rolling guide according to claim 1, wherein the stopper main body has the same thickness over the entire length, the width is minimum at the top, and both sides of the top are gradually widened toward the locking legs. Unit stopper. 4. The straightener according to claim 1, wherein the stopper main body has the same width over the entire length, the thickness is the smallest at the top, and the thickness on both sides of the top is gradually increased toward the locking leg. Stopper for rolling guide unit.