JP2006112592A - Fixing holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a holder easy to operate and securing fixation. <P>SOLUTION: The fixing holder comprises a pair of open/closed type arms 1a, 1b turnably supported with a pivotal shaft as a fulcrum with one arm turned and the other is turned in linkage with the other arm's turning, an elastic body 2 for elastically holding the arms 1a, 1b in closed attitude making them approach each other and holding a fixed object between the arms 1a, 1b, and a cam 4 linked to a base 3 of one of the arms 1a, 1b to directly turn the arm. On the cam 4, a stopper 7 is provided abutting on the arms 1a, 1b in closed attitude to prevent the turning of the arms tending to open attitude. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a fixing holder suitable for sandwiching and fixing an object suspended like a pendulum. Hereinafter, a description will be given by taking as an example an inking device used when inking work at a construction site or the like.

  In recent years, laser irradiators have been used in the ink marking work performed on the construction and civil engineering sites, which enables accurate and efficient work.

  A laser irradiator has a structure in which a laser irradiation source is pivotably suspended inside a pendulum, and is always directed in a certain direction regardless of the situation of the floor where the irradiator body is installed. The irradiated laser beam is received by a light receiver.

  Since this type of equipment is a precision instrument, it is necessary to pay sufficient attention to vibrations and shocks that cause damage to the components. Locking means such as screws are used to store the irradiator itself. Thus, the pendulum is prevented from rotating (for example, see Patent Documents 1 and 2).

JP 2001-33249 A

JP 2002-213955 A

  By the way, the conventional locking means described above is troublesome in fixing the pendulum, and the pendulum is unstable (if the pendulum is fixed, it is fixed when an impact is applied to the device). In addition, there is a problem that an excessive force is applied to the support shaft supporting the pendulum to damage the bearing and cause a malfunction.

  The subject of this invention exists in the place which proposes the novel fixing holder which can fix the target object suspended so that rotation like a pendulum by simple operation | movement and also reliably.

The present invention is supported rotatably about a pivot and supports a pair of openable and closable arms that rotate in conjunction with one rotation, and a closed posture in which the arms approach each other. An elastic body that sandwiches the object to be fixed between the arms, and an open position that links the base of one of the arms and rotates the arm directly to separate the arms from each other. A fixing holder having a cam for releasing the pinching of the fixed object,
A fixing holder, wherein the cam is provided with a stopper that prevents the arm from rotating toward the open position by contacting the arm when the arm is closed.

  The fixed object itself can be easily fixed by sandwiching the shaft or the like protruding from the fixed object with the pair of arms closed.

  In addition, the cam that contributes to the rotation of the arm is provided with a protrusion that functions as a stopper. When the arm is in the closed position, the protrusion 7 maintains its position, so that an unexpected force is applied to the arm. Even if it acts, the fixing is not easily released.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 is an exploded view of an embodiment of a fixing holder according to the present invention, and FIGS. 2 (a) and 2 (b) show a state in which fixing of an object to be fixed is released (open posture) and fixing. Each of these shows a state where the object is fixed (closed posture).

  In the figure, 1a and 1b are arms. The arms 1a and 1b are rotatably supported with the pivot s as a fulcrum, and the arm 1b can be rotated in conjunction with the rotation of the arm 1a.

  Further, 2 is an elastic body that elastically holds the arms 1a and 1b in a closed position in which the arms 1a and 1b are close to each other, and holds a fixed object between the arms 1a and 1b, and 3 is a base that is integrated with the arm 1a. Reference numeral 4 denotes a cam for opening and closing the arms 1a and 1b. This cam 4 is connected to a knob 4b via a rotating rod 4a. By rotating the knob 4b clockwise or counterclockwise, the cam 4 is directly rotated about the pivot axis s via the base 3. Move.

  5 is a notch provided on the cam 4, 6 is a rib provided on the base 3, and 7 is a protrusion provided on the base 3. The protrusion 7 has the arms 1a and 1b closed (fixed state). ), It functions as a stopper that engages with the notch 5 of the cam 4 to prevent the arms 1a and 1b from rotating in the opening direction.

  In the state shown in FIG. 2A in which the fixed object is not fixed, the cam 4 presses the rib 6 of the base 3 against the restoring force of the elastic body 2 to limit the arm 1a. The fixed object is freely moved between the arms 1a and 1b. At this time, the cam 4 is fixed by fixing means (not shown) for fixing the rotating rod 4a.

  When the rotation of the rotating rod 3a is released, the cam 4 is rotated clockwise by the restoring force of the elastic body 2, and the arms 1a and 1b approach each other and are held in the closed posture in accordance with this, and are positioned therebetween. The shaft portion p of the fixed object is sandwiched as shown in FIG.

  When the arms 1a and 1b are in the closed position as shown in FIG. 2A, the projections 7 provided on the base 3 are not affected even if an unexpected force is applied to the arms 1a and 1b toward the open position. Since it engages with the notch 5 of the cam 4, the rotation of the arms 1 a and 1 b is prevented, and it is possible to reliably fix it.

  When the fixed holder configured as described above is applied to a laser irradiator used as a marking device, the power of the irradiator is turned on when the arms 1a and 1b are opened, and the power is turned off when the arms are closed. In other words, it is possible to avoid storing the deinking device with the power off.

  It is possible to provide a fixing holder that is easy to operate and can be fixed securely.

It is the figure which showed embodiment of the fixing holder according to this invention. (A) and (b) are the figures which showed the use condition of the fixing holder shown in FIG.

Explanation of symbols

1a, 1b Arm 2 Elastic body 3 Base 4 Cam 4a Rotating rod 4b Knob 5 Notch 6 Rib 7 Projection

Claims (1)

A pair of openable and closable arms that are pivotally supported around a pivot and rotate the other in conjunction with one rotation, and are elastically held in a closed position in which the arms approach each other. A fixing holder comprising: an elastic body for sandwiching a fixed object between them; and a cam for directly rotating the arm linked to one of the bases of the arm,
A fixing holder, wherein the cam is provided with a stopper that prevents the arm from rotating toward the open position by contacting the arm when the arm is closed.

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