JP2000346022A - Stopper device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stopper device which can be manufactured at low cost, and which can ensure an operating position and a releasing position. SOLUTION: A planar member 14 is located being opposed to a U-like member 12 having planar parts 15, 13 which are formed therein with insertion holes 21, 23, respectively. A pin 16 is inserted into the insertion holes 21, 23 from the planar part 15 side, being projected at its front end from the planer part 13 side so as to lock an insertion hole 25 formed in the planer member 14 so that the planer member 14 is fixed in order to prevent the U-like member 12 from moving in the surface direction of the planar member 14. The pin 16 is formed in its head part with a ring-like handle 18. A pair of angle guide pieces 22 are welded to the planar part 15 of the U-like member so that they are located at symmetric positions between the insertion hole 21, being spaced from each other with a gap 19 therebetween while their angle apeces are directed outward.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper device for fixing a member to be fixed, which is disposed facing a substrate, in a plane direction.

[0002]

2. Description of the Related Art FIG. 9 is a plan view showing a partial cross section when a conventional stopper device 100 is at a release position, and FIG. 10 is a partial cross section when the conventional stopper device 100 is at a release position. FIG. 11 is a plan view, and FIG.
FIG. 4 is a perspective view showing the state of attachment of the cylindrical guide 110 to the U-shaped member 12 in FIG. Portions common to the embodiments of the invention to be described later are denoted by the same reference numerals, description thereof will be omitted, and only the main points will be described. The U-shaped member 12 and the flat plate 14 are
These are one and the other of the base material already fixed to the structure or the like and the fixed member to be fixed to the structure or the like by the stopper device 2 from now on, and are provided in the U-shaped member 12. The pin 16 protrudes from the flat plate portion 13 and is inserted into the insertion hole 25 of the flat plate 14, thereby fixing the movement of the flat plate 14 relative to the U-shaped member 12 in the surface direction. The cylindrical guide member 110 is welded to the flat plate portion 15 of the U-shaped member 12 so that the insertion hole 21 is located at the center. The cylindrical guide member 110 has 180
A depth slot 112 having a width larger than the thickness of the handle 18 of the pin 16 is formed at two places separated by a distance, and
A shallow slot 114 is formed at two locations 90 degrees in the circumferential direction from the deep slot 112 at the location.

In order to operate the conventional stopper device 100, as shown in FIG. 10, a handle 18 of the pin 16 is fitted into a deep slot 112, and the tip of the pin 16 is moved from the flat plate portion 13 of the U-shaped member 12. Projection hole 2 of flat plate 14
5. On the other hand, when releasing, the handle 18 of the pin 16 is fitted into the shallow slot 114 as shown in FIG.
And does not protrude from the flat plate portion 13 of the flat plate 14 so as not to be inserted into the insertion hole 25 of the flat plate 14.

[0004]

A conventional stopper device 1
At 00, the pin 1
In order to hold 6, a process for forming the slit 112 in the cylindrical guide member 110 is required, but this slit process is costly. Further, in order to prevent the handle of the pin 16 from being suddenly stuck in the deep slot 112 at the release position and becoming the operating position, a shallow slot 114 must also be provided. It has to be done over four places.

An object of the present invention is to provide a stopper device which can be manufactured at low cost and which can reliably hold an operating position and a releasing position.

[0006]

A stopper device (2, 4) according to the present invention comprises a second member (14, 28, 42) disposed facing a first member (12, 30, 32). ) In which the movement in the plane direction is fixed, the following (A) to (B)
have. (A) Insertion holes (21, 23) formed in the first member (12, 30, 32). (B) The second member (14, 28, 42) is inserted movably in the axial direction through the insertion hole (21, 23), and the tip of the second member (14, 28, 42) projects toward the second member (14, 28, 42). Pins (16, 36) for locking movement in the plane direction. (C) The tip of the pin (16, 36) is the second member (1
4, 28, 42) to the pin (16, 3).
Biasing means (24) for biasing 6); (D) The pin (16,3) formed at the head of the pin (16,36) and having a diameter at least larger than the diameter of the insertion hole (21,23).
6) A width increasing portion (18, 34) having a width gradually increasing toward the axial head side. (E) The two members (14, 2) of the first member (12, 30, 32) each having a chevron-shaped cross section.
8, 42) on the side opposite to the side where the insertion holes (2, 42) are provided.
1, 23) are welded to each other with a gap (19) larger than the thickness of the widening portion (18, 34) with the apex of the chevron facing outward at positions opposed to each other with the sandwiched portion therebetween. The pin (16, 36) is held at the axial position where the tip of the pin (16, 36) releases the lock of the second member (14, 28, 42) by the engagement of (18, 34). Individual angle guide pieces (22, 26).

[0007] The first member (12, 30, 32) and the second member (14, 28, 42), respectively, insert one and the other of a base material and a member to be fixed to the base material.
The movement in the plane direction includes not only a parallel movement along a plane but also a movement in a circumferential direction on a cylindrical surface.

The first member (12, 30, 32) and the second member (14, 2) are stopped by the stopper device (2, 4).
In order to fix the movement of the pins (8, 42) in the plane direction, the width increasing portions (18, 34) of the pins (16, 36) are inserted into the gap (19) between the two chevron guide pieces (22, 26). Put. Pin (1
6, 36) is urged by the urging means (24), so that it moves in the insertion hole (21, 23) in the axial direction to move the tip from the first member (12, 30, 32). The second member (14, 28, 42) is protruded toward the second member (14, 28, 42), and the protruding tip portion causes the second member (14, 28, 42) to face the first member (12, 30, 32) in the surface direction. Lock the movement. At this time, the axial position of the pins (16, 36) is held by the abutment of the width increasing portions (18, 34) on the first members (12, 30, 32). On the other hand, the first member (12, 3
In order to release the fixing of the second member (14, 28, 42) to the pin (16, 36), the width increasing portion (18, 34) of the pin (16, 36) is removed from the two angled guide pieces (22, 26). ). The pin (16, 36) is biased by the biasing means (24) to increase the width (1) to the peak of the chevron.
8, 34) and the amount of protrusion of the distal end portion toward the second member (14, 28, 42) is reduced by the height of the angled guide pieces (22, 26). The locking of the movement of the second member (14, 28, 42) in the surface direction is released. The fixing and release of the second member (14, 28, 42) with respect to the first member (12, 30, 32) is performed by the first member (12, 30) of the two chevron guide pieces (22, 26). , 32), and can be produced at lower cost than when slitting is performed on a cylindrical member or the like.

Furthermore, the stopper device (2, 2) of the present invention
According to 4), the chevron guide pieces (22, 26) are inclined in such a direction as to decrease the height from the vertex of the chevron toward the tips of the two sides of the chevron.

When the stopper device (2, 4) is shifted from the released state to the operating state, the two angled guide pieces (22,
26) Pins (16, 36) engaged at the apex of the chevron
The pin (16, 36) is biased by the biasing means (24) by placing the width-increasing portion (18, 34) on the inclined portion slightly shifted from the vertex of the chevron toward the tip of the two sides of the chevron. The width increasing portion (18, 34) is moved to a position where the width increasing portion (18, 34) is placed in the gap (19), and the stopper device (2, 4) keeps the second member (14, 2) with respect to the first member (12, 30, 32).
(8, 42). In this manner, the operation of shifting the stopper device (2, 4) from the released state to the activated state can be simplified.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a partial cross section when the stopper device 2 is at a release position,
FIG. 2 is a plan view showing a partial cross section when the stopper device 2 is at the operating position, and FIG. 3 is a perspective view showing a state of attachment of the chevron guide piece 22 to the U-shaped member 12. The U-shaped member 12 and the flat plate 14 are respectively one and the other of the base material already fixed to the structure or the like and the fixed member to be fixed to the structure or the like by the stopper device 2 from now on. . The U-shaped member 12 has a flat plate portion 13 and a flat plate portion 15 that are parallel to each other, and an insertion hole 23 and an insertion hole 21 are formed in the flat plate portion 13 and the flat plate portion 15 at concentric positions. . The pin 16 is provided with a ring-shaped handle 18 on the head, so that the tip of the U-shaped member 12 can be inserted from the flat plate portion 15 side through the insertion holes 21 and 23 to project from the flat plate portion 13 side. Has become. The handle 18 of the pin 16 has a width larger than the diameter of the insertion hole 21 and the insertion hole 23, and the pin 16 is
It is prevented from coming off from the flat plate portion 13 side. Pin 1
A retaining ring 20 is attached to an intermediate part of the sixth ring 6. The compression coil spring 24 is contracted between the flat plate portion 15 of the U-shaped member 12 and the retaining ring 20, and the pin 16 is oriented in such a manner that the distal end projects from the flat plate portion 13 of the U-shaped member 12. It is energizing. The pair of two angled guide pieces 22 are located at positions symmetrical with respect to the insertion hole 21 with the apex of the angled shape facing outward.
9 are welded to the flat plate portion 15 of the U-shaped member 12 so as to face each other. The gap 19 is larger than the thickness of the handle 18 of the pin 16, and the angled guide piece 22 is
1 is in contact with the flat plate portion 15 of the U-shaped member 12
6 has a height slightly larger than the amount of protrusion of the U-shaped member 12 from the flat plate portion 13 of the U-shaped member 12.

The flat plate 14 is a flat plate portion 13 of the U-shaped member 12.
And an insertion hole 25 through which the pin 16 can be inserted. When the stopper device 2 is operated, as shown in FIG.
9 position. Then, the compression coil spring 2
By the urging of the pin 4, the handle 18 is
2 is moved to a position where it abuts on the flat plate portion 15 so that the tip end protrudes from the flat plate portion 13 and is inserted into the insertion hole 25 of the flat plate 14 to fix the movement of the flat plate 14 relative to the U-shaped member 12 in the surface direction. I do. On the other hand, when releasing the stopper device 2, as shown in FIG. 1, the pin 16 is rotated by 90 degrees so that the width direction of the handle 18 is directed to a diagonal line connecting the vertices of the pair of chevron guide pieces 22. To Then, the handle 18 of the pin 16 is locked to the peak of the chevron of the chevron guide piece 22 by the urging of the compression coil spring 24, and the tip of the pin 16 does not protrude from the flat plate portion 13 of the U-shaped member 12. Since it comes out of the insertion hole 25 of the flat plate 14,
The flat plate 14 is released from being fixed to the U-shaped member 12 in the plane direction.

FIG. 4 is a perspective view showing the state of attachment of the chevron guide piece 26 to the U-shaped member 12 in another embodiment. The difference from the chevron guide piece 22 is that the chevron guide piece 26 has a height equivalent to that of the chevron guide piece 22 only at the vertex of the chevron, and extends from the vertex of the chevron toward the tip of two sides. It is inclined so that the height is reduced and the height becomes zero at the two ends. Therefore, when shifting the stopper device using the chevron guide piece 26 from the release position to the operating position, it is not necessary to first rotate the pin 16 by 90 degrees, but only by slightly rotating the pin 16 and automatically by the bias of the compression coil spring 24. Pin 16 is handle 18
Is moved along the slope to be in the operating position.

FIG. 5 is a view showing another application example of the stopper device 2. As shown in FIG. The stopper device 2 is fixed to the frame 40. The square pipe 42 is movable along a frame 40 by a rail (not shown). In FIG. 5, the stopper device 2 is in the operating state, and the end of the square pipe 42 is locked by the tip of the pin 16, and each pipe 42 is
At the bottom. As described above, the stopper device 2 can be applied to fix a member such as the flat plate 14 in which the insertion hole 25 is not formed.

FIG. 6 is a plan view showing a partial cross section when the stopper device 4 of another embodiment is at a release position.
FIG. 7 is a plan view showing a partial cross section when the stopper device 4 according to another embodiment is in the operating position. Portions common to the stopper device 2 are denoted by the same reference numerals, description thereof will be omitted, and only different points will be described. The pin 36 has a V-shaped handle 34 instead of the handle 18 in a ring shape on the pin 16. In short, the shape of the handle of the pin is such that the width is gradually increased toward the head, the maximum width is equal to or greater than the diagonal length connecting the peaks of the chevron of the pair of chevron guides 22, and the thickness is equal to or less than the gap 19. If present, ring-shaped, V-shaped, U
The form such as a character shape is not limited. Further, the stopper device 4 is applied to fix the relative rotational movement of the round pipe 30 and the shaft 28 in the circumferential direction. The portal member 32 is fixed to the round pipe 30, and the insertion holes 21 and 23 are formed in the upper flat plate of the portal member 32 and the round pipe 30. The compression coil spring 24 is contracted between the portal member 32 and the retaining ring 20, and urges the pin 36 in a direction in which the tip end protrudes into the round pipe 30. The shaft 28 is fitted on the round pipe 30 and is movable in the circumferential direction. An insertion hole 25 is formed in the shaft 28 at an axial position where the tip of the pin 36 projects.

FIG. 8 is a perspective view of a self-propelled boom sprayer 6 which is an application example of the stopper device 4 to an actual machine. The self-propelled boom sprayer 6 is connected to the centric boom constituted by the round pipe 30 and the left and right ends of the centric boom, respectively. And a boom 60. The side boom 60 is fixed to the shaft 28, and the side boom 60 is perpendicular to the centric boom (round pipe 30) as shown in FIG. If it is made to stand in the upright direction, the shaft 28 rotates relative to the round pipe 30 in the circumferential direction. The insertion hole 25 formed in the shaft 28 is located at a position where the tip of the pin 36 projects when the side boom 60 is in the upright state, and the stopper device 4 raises the side boom 60 by the stopper device 4. It can be fixed in a state. The stopper device 4 can hold the pin 36 in the release position by the chevron guide piece 22, and when the side boom 60 is not upright, the pin 36 is pressed by the shaft 28 and the side boom 6 is pressed.
This prevents an increase in frictional resistance when moving 0.

[Brief description of the drawings]

FIG. 1 is a plan view showing a partial cross section when a stopper device is at a release position.

FIG. 2 is a plan view showing a partial cross section when the stopper device is in an operating position.

FIG. 3 is a perspective view showing a mounting state of a chevron guide piece to a U-shaped member.

FIG. 4 is a perspective view showing a mounting state of a chevron guide piece to a U-shaped member according to another embodiment.

FIG. 5 is a diagram showing another application example of the stopper device.

FIG. 6 is a plan view showing a partial cross section when a stopper device according to another embodiment is at a release position.

FIG. 7 is a plan view showing a partial cross section when a stopper device according to another embodiment is in an operating position.

FIG. 8 is a perspective view of a self-propelled boom sprayer.

FIG. 9 is a plan view showing a partial cross section when a conventional stopper device is at a release position.

FIG. 10 is a plan view showing a partial cross section when a conventional stopper device is in an operating position.

FIG. 11 is a perspective view showing a state in which a cylindrical guide is attached to a U-shaped member in a conventional stopper device.

[Explanation of symbols]

 2 Stopper device 4 Stopper device of other embodiment 12 U-shaped member (first member) 14 Flat plate (second member) 16 Pin 18 Handle (increased width) 21 Insertion hole 22 Angled guide piece 23 Insertion hole Reference Signs List 24 Compression coil spring (biasing means) 26 Angled guide piece 28 Shaft (second member) 30 Round pipe (first member) 32 Portal member (first member) 34 Handle (width increasing portion) 36 pin 42 angle Pipe (second member)

Claims (2)

[Claims] A stopper device (2, 4) for fixing a movement of a second member (14, 28, 42) disposed in a face of the first member (12, 30, 32) in a plane direction. )
(A) insertion holes (21, 23) formed in the first member (12, 30, 32); (B) the insertion holes (21, 23)
The second member (14,
Pins (16, 36) for locking the movement of the second member (14, 28, 42) in the surface direction by projecting the tip portion toward the (28, 42) side, (C) the pins (16, 36). ) Biasing means (2) for biasing the pins (16, 36) in such a direction that the leading end of the pins (16, 36) protrudes toward the second member (14, 28, 42).
4), (D) formed at the head of the pin (16, 36) and increasing gradually toward the axial head of the pin (16, 36) at least larger than the diameter of the insertion hole (21, 23). And (E) each of the first member (1) having two chevron-shaped cross-sections,
2, 30, 32) in the second member (14, 2).
8, 42) on the side opposite to the side where the insertion holes (21, 23) are sandwiched, with the apex of the chevron facing outward with the thickness of the width increasing portion (18, 34) being opposite. Each of the pins (16, 36) is welded to each other with a large gap (19), and the tip of the pin (16, 36) is brought into contact with the second member (14, 2) by engagement of the width increasing portion (18, 34) with the peak of the chevron.
8, 42) at the axial position where the lock is released.
6, 36) holding two angled guide pieces (22, 2).
6), a stopper device. 2. A stopper according to claim 1, wherein said chevron guide pieces (22, 26) are inclined in such a direction as to decrease the height from the vertex of the chevron toward the tip of two sides of the chevron. apparatus.