JPH0529335Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention limits the operating range of the traveling body by stopping the traveling motion of the traveling body at a certain position while being guided by a guide body. The present invention relates to a new travel stop device that is capable of

[Conventional technology]

Conventionally, for example, when a window, lid, door, etc. is opened at a predetermined angle, a fixing force is applied, and thereby the window, lid, door, etc. is opened within a certain range of angles. Various devices and mechanisms, both manual and electric, have been developed.

[Problem to be solved]

By the way, when it comes to these devices and mechanisms, especially when the weight of the window, lid, or door to which they are to be attached differs, it is necessary to set and adjust the optimal fixing force according to the weight of the window, lid, or door, etc. has become an important issue, but many require complex and large-scale mechanisms in order to change and adjust the fixing force with high precision.

This situation applies not only to opening operations such as windows, lids, and doors, but also to various fields, such as straight-line traveling operations,
Regarding various devices and mechanisms (hereinafter collectively referred to as traveling stop devices) that limit basic movement movements such as rotational movements to a certain range, generally fixed The force adjustment means is mechanically complex and large-scale.

Therefore, in view of the above-mentioned drawbacks of the conventional art, the object of this invention is to provide a traveling stop device that can perform the fixing force adjustment operation with a simple configuration and is suitable for downsizing.

[Means to solve the problem]

That is, this invention is a travel stop device that stops the traveling motion of a traveling body traveling while being guided by a guide body at a certain position and limits the travel range to a certain extent, and is provided with a traveling stop device that is drilled in the side of the traveling body and that is made of steel. A fitting groove into which the ball is inserted; a restraining body that slides on the outer surface of the traveling body while restraining the steel ball in order to fit the ball into the fitting groove when the traveling body side has traveled to a predetermined position; and a spring that holds the steel ball. a pressing body that has a tapered surface that presses against the steel ball with elastic force and slides toward the guide body in order to fit the steel ball into the insertion groove using the elastic force of the steel ball; and a spring pressing body that is movably provided toward the guide body. The device is equipped with an adjustment body that changes and adjusts the fixing force for stopping the traveling motion of the traveling body by adjusting the pressing force against the traveling body.

[Effect]

In the traveling stop device of this invention, the pressing body of the spring is adjusted by the adjustment body provided on the guide body side and presses the steel ball of the restraint body provided on the traveling body side toward the outer surface of the traveling body. When the traveling body moves to a predetermined position while being guided by the guide body, the steel ball is pushed out and fits into the insertion groove on the traveling body side, and the traveling movement of the traveling body side is stopped. However, the fixing force for stopping the traveling body can be easily adjusted by changing the attachment position of the adjusting body with respect to the guide body.

〔Example〕

An embodiment of this invention will be described below with reference to the accompanying drawings.

FIG. 1 shows a traveling stopping device according to this invention, and this traveling stopping device has a guide body 1.
It is composed of a traveling body 2, a steel ball 3, a restraining body 4, a pressing body 5, a spring 6, and an adjusting body 7, and as shown in Fig. 2, it can be manually operated in the vertical direction. It is attached to the vertical sliding window 8 that can be opened and closed.

Note that reference numeral 9 in the figure is a spring for retracting the traveling body 2 to its original position.

The guide body 1 is for guiding the traveling motion of the traveling body 2, and in this embodiment, it is composed of a substantially cylindrical case having an opening on the distal end side, and a window on the proximal end side. It is rotatably attached to the frame 8a side. A female thread 1a is cut on the opening side of the tip of the guide body 1.

The traveling body 2 performs linear motion within a certain range while being guided by a guide body 1. In this embodiment, a piston 10 that slides inside a case, which is the guide body 1, and a proximal end thereof are attached to this piston 10. It consists of an attached piston rod 11.
The piston rod 11 is formed into a substantially cylindrical shape, and has a fitting groove 11 at a predetermined position on the intermediate side.
a is formed, and the distal end side is rotatably attached to the window 8 side.

When the piston rod 11 of the traveling body 2 slides forward to a predetermined position, the steel ball 3 fits into the fitting groove 11a of the piston rod 11, thereby stopping the traveling motion of the traveling body 2. In this embodiment, as shown in FIG. 3, the piston rod 11 is composed of four pieces that press against and roll on the outer peripheral surface of the piston rod 11.

The restraint body 4 is formed in a substantially cylindrical shape, and has four restraint holes 4a formed along the radial direction on the outer circumferential surface to restrain the steel balls 3. The piston rod 11 is inserted into the piston rod 11 in such a manner that it can freely slide on the outer peripheral surface of the piston rod 11 on the traveling body 2 side.

The pressing body 5 is for pressing the protruding portion of the steel ball 3 protruding from the restraint body 4 from the outside and fitting the steel ball 3 into the fitting groove 11a by the elastic force of the spring 6. It is composed of a fixed cylinder 12 and a sliding cylinder 13. The fixed tube 12 is for preventing the restraint body 4 from moving toward the proximal end within the guide body 1, and has an opening 12a on the distal end side into which the base end side of the restraint body 4 enters, and has an opening 12a on the center side. The piston rod 11 on the traveling body 2 side is formed into a substantially U-shaped cross section and has an insertion hole 12b into which the piston rod 11 on the traveling body 2 side can be freely inserted and slid, and is fixed on the guide body 1 side. This fixed cylinder 12 has an opening 1
2a side end surface has a tapered surface 12c formed inwardly in a tapered shape, and this tapered surface 12c
is locked to the protruding portion of the steel ball 3, so that the steel ball 3 is prevented from slipping out from the restraint hole 4a of the restraint body 4. The sliding tube 13 is slidably disposed within the guide body 1, and has a center portion so that the distal end side of the restraining body 4 can enter and the piston rod 11 on the traveling body 2 side can freely slide in the central portion. It is formed in a substantially ring shape with a large insertion hole 13a on the side, and a tapered surface 13b similar to that of the fixed tube 12 described above is formed on the end surface on the proximal end side.

The spring 6 applies an elastic force to the steel ball 3 side through the sliding tube 13 on the pressing body 5 side, presses the steel ball 3 toward the piston rod 11 side, and also presses the steel ball 3 toward the piston rod 11 side.
This is for fitting the steel ball 3 into the hole a.
Note that the steel ball 3 fits into the insertion groove 11 of the piston rod 11.
When the piston rod 11 is inserted into the fitting groove 1, the spring 9 pulls the piston rod 11 back to the rear side.
The depth of the insertion groove 11a, the tapered surface 12c,
13b is set.

The adjusting body 7 adjusts and changes the pressing force of the spring 6 on the pressing body 5 side, and adjusts the fixing force for stopping the traveling body 2, and in this embodiment, the opening on the guide body 1 side It is designed to be screwed together. By rotating the adjusting body 7 and changing the screwing position with respect to the guide body 1 side, the fixing force to the traveling body 2 side when the traveling body 2 is stopped can be changed easily and with high precision. It's getting old.

Next, the operation of the travel stop device of this embodiment will be explained.

First, when the window 8 is pushed out by hand and opened as shown in FIG. 2, the traveling body 2 side moves forward relative to the guide body 1 side (see FIG. 1).

Then, when the window 8 is opened to a predetermined angle, the fitting groove 1 provided in the piston rod 11 on the traveling body 2 side is opened.
1a advances to the position of the steel ball 3, and the steel ball 3 pressed by the spring 6 via the pressing body 5 enters the fitting groove 11a (see FIG. 4).

At this time, as shown in FIG. 5, the elastic force of the spring 6 causes the sliding tube 13 to apply a strong pressing force to the steel ball 3 toward the fitting groove 11a, so the spring 9 causes the piston rod to 11
does not move back and is securely held in its stopped position.

〔effect〕

As explained above, the traveling stop device according to this invention includes a steel ball that fits into a fitting groove drilled in the traveling body, a restraining body that restrains the steel ball on the outer surface of the traveling body, and a restraining body that restrains the steel ball on the outer surface of the traveling body. It consists of a pressing body that presses the steel ball restrained by the body toward the outer surface of the traveling body with a spring, and an adjusting body that adjusts and changes the elastic force of the spring that biases this pressing body. In other words, it is composed of a simple mechanism with a small number of parts, and the fixing force of the traveling body can be changed and adjusted with simple operations, and the device can be made smaller and manufacturing costs can be reduced.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view showing a travel stop device according to this invention, Fig. 2 is a cross-sectional view showing a window to which the travel stop device according to this invention is attached, and Fig. 3 is a cross-sectional view taken along the - arrow in Fig. 1. , FIG. 4 is a sectional view illustrating the state when the traveling body moves forward and stops at a predetermined position in the traveling stop device shown in FIG.
This figure is an explanatory diagram for explaining the stopped state of the traveling body shown in FIG. 4. 1... Guide body, 2... Running body, 3... Steel ball,
11a... Fitting groove, 4... Restricting body, 6... Spring, 12c, 13b... Tapered surface, 5... Pressing body, 7... Adjusting body.

Claims (1)

[Scope of Claim for Utility Model Registration] A traveling stop device for stopping the traveling motion of a traveling body traveling while being guided by a guide body at a certain position and limiting the traveling range to a certain extent, the device being provided with a hole in the side of the traveling body. a fitting groove into which the steel ball is inserted; a restraining body that slides on the outer surface of the traveling body while restraining the steel ball in order to fit the steel ball into the fitting groove when the traveling body side has traveled to a predetermined position; A pressing body that has a tapered surface that presses against the steel ball with elastic force and slides toward the guide body in order to fit the ball into the insertion groove by the elastic force of the spring, and a spring that is movably provided on the guide body side. A travel stop device comprising: an adjustment body that changes and adjusts a fixing force for stopping the traveling motion of the traveling body by adjusting the pressing force on the pressing body of the traveling body.