KR200369570Y1 - Locking device for a cap window of heavy equipment - Google Patents

Abstract

The present invention can be prevented from arbitrarily opening the cab glass window by the self-vibration and external shock of the heavy equipment, as the locking of the cab glass window of the heavy equipment is made by a simple operation, and unlocking the cab glass window of the heavy equipment The present invention relates to a locking device for a cab glass window for heavy equipment that can be easily opened by a simple operation if necessary.

Locking device for the cab glass window for heavy equipment according to the present invention, the base plate is fixed to the adjacent portion of the cab glass window of the heavy equipment that is opened and closed while one side is hinged and rotated to a predetermined angle range, integrally formed on the base plate and the groove The fixed shaft, a spring installed in the groove of the fixed shaft, and an inner space into which the fixed shaft is fitted are formed, and a locking jaw is formed at the upper end of the inner space as a through hole is formed. A lever to be formed, a fastening member for rotatably fixing the lever to the fixed shaft, and a head projecting outward through the through hole of the lever are formed, and are supported by the spring and the multi-stage uneven structure in the inner space of the lever. As the wings are formed on both sides, the locking is automatically set so that the lever cannot be rotated when the lever is rotated at a predetermined angle. When the head is pressed and the head is pressed, the pusher releases the locking so that the lever can be rotated to a predetermined angle range, and is coupled to the lever and includes an elastic support member for selectively supporting the front side of the glass window while being integrally rotated.

Description

LOCKING DEVICE FOR A CAP WINDOW OF HEAVY EQUIPMENT}

The present invention relates to a locking device for a cab glass window for heavy equipment, and more particularly, as the locking of the cab glass window of the heavy equipment is made solid by a simple operation, the cab glass window is arbitrarily opened by self-vibration and external shock of the heavy equipment. It can be prevented, and the locking device for the cab glass window of the heavy equipment can be made only by a simple operation, and relates to a locking device for the cab glass window for heavy equipment that can easily open the cab glass window if necessary.

Generally, windows are hinged and fixed on the cab of heavy equipment such as excavators, loaders, forklifts, and adjacent windows are provided with locking devices to secure the windows in a closed state and to open them only when necessary.

The windshield installed in the cab for heavy equipment has a structure in which the lower side is hinged to the vehicle body and rotated to the front side to be opened. It is composed of a support member that is rotatably coupled to selectively support the front side of the glass window.

However, in the locking device for the cab windshield for heavy equipment of the above-described structure, since the support member is freely rotatable with respect to the base plate, the locking and unlocking of the window cannot be precisely performed, and especially for self-vibration and external shock of heavy equipment. There is a problem that the window can be opened arbitrarily.

Therefore, the object of the present invention, as the locking to the cab glass window of the heavy equipment is made by a simple operation can be prevented to open arbitrarily by the self-vibration and external impact of the heavy equipment, the cab glass window of the heavy equipment It is to provide a locking device for the cab glass window of the heavy equipment that can be unlocked for a simple operation so that the window can be easily opened when necessary.

1 is a perspective view of the locking device for the cab glass window of the heavy equipment according to an embodiment of the present invention.

Figure 2 is an exploded view of the locking device for the cab glass window of the heavy equipment according to an embodiment of the present invention.

Figure 3 is a cross-sectional view showing a locking state of the cab glass window locking device of the heavy equipment according to an embodiment of the present invention.

Figure 3 is a cross-sectional view showing a locking state of the cab glass window locking device of the heavy equipment according to an embodiment of the present invention.

Figure 4 is a cross-sectional view showing the unlocking of the locking device for the cab glass window of the heavy equipment according to an embodiment of the present invention.

Figure 5 is a state of use of the locking device for the cab glass window of the heavy equipment according to an embodiment of the present invention.

Figure 6 is another state of use of the locking device for the cab glass window of the heavy equipment according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: Locking device for cab glass window of heavy equipment

10: base plate 20: fixed shaft

21: groove 30: spring

40: lever 41: internal space

43: through hole 45: locking jaw

47: multi-stage uneven structure 50: fastening member

60: pusher 61: head

63 wing portion 70 elastic support member

80: washer spring

The object of the present invention described above,

A base plate fixed to an adjacent portion of a cab glass window of a heavy equipment that is hinged and fixed to one side and rotated in a predetermined angle range;

A fixed shaft formed integrally with the base plate and having a groove formed therein;

A spring installed in the groove of the fixed shaft;

An inner space into which the fixed shaft is fitted, and a locking jaw is formed as a through hole is formed at an upper end of the inner space, and a lever having a multi-step uneven structure formed on the locking jaw;

A fastening member for rotatably fixing the lever with respect to the fixed shaft;

As the head portion is formed to protrude outward through the through hole of the lever, and wings are supported on both sides of the spring and the multi-stage uneven structure in the inner space of the lever, the lever is rotated when the lever is rotated at a predetermined angle. A pusher which automatically sets the locking so as not to be possible and releases the locking when the head is pressed so that the lever can be rotated to a predetermined angle range; And

It is achieved by providing a locking device for a cab glass window of a heavy equipment including a; elastic support member coupled to the lever and integrally rotated to selectively support the front side of the glass window.

According to a preferred feature of the present invention, it further comprises a washer spring interposed between the base plate and the lever described above.

According to a more preferable feature of the present invention, the above-described multi-stage uneven structure,

A locking groove for inserting the upper end of the wing of the pusher by the elasticity of the spring when the lever is rotated at a predetermined angle so that the lever cannot be rotated;

A first protrusion for sliding the lever while the head of the pusher slides over the top of the winger of the pusher, which is released from the locking groove; And

And a second protrusion allowing the lever to rotate only within a predetermined angle range corresponding to the first protrusion as the upper end of the wing of the pusher in contact with the first protrusion is caught.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but this does not limit the technical spirit and scope of the present invention.

Figure 1 shows a perspective view of the cab glass window locking device 1 of the heavy equipment according to an embodiment of the present invention, Figure 2 is a cab glass window locking device 1 of the heavy equipment according to a preferred embodiment of the present invention The exploded view of.

As shown in Figure 1 and 2, the locking device for the cab glass window of the heavy equipment according to the present invention, one side of the cab glass window (not shown) of the heavy equipment that is opened and closed while hinged and rotated to a predetermined angle range A base plate 10 fixed to an adjacent portion, a fixed shaft 20 formed integrally with the base plate 10 and having a groove 21 formed thereon, and an annular groove 23 formed along an outer circumferential surface thereof, The spring 30 is installed in the groove 21 of the shaft 20 to support the lower end of the pusher 60 and to allow the pusher 60 to move by pressing, and the fixed shaft 20 is fitted therein. An inner space 41 is formed, and a through hole 43 for protruding the head 61 of the pusher 60 is formed at an upper end of the inner space 41, so that the wing portion 63 of the pusher 60 is formed. A locking jaw 45 having an upper end in elastic contact is formed, and a multi-step uneven structure 47 is formed on the locking jaw 45, and one side Of the lever 40 and the one side of the lever 40, the annular groove 23 of the fixed shaft 20, and the lever 40, which are integrally formed with the support 49 for coupling the elastic support member 70. Fastening member 50 for rotatably fixing the lever 40 to the fixed shaft 20 by sequentially passing through the other side, and the head portion 61 protruding to the outside through the through hole 43 of the lever 40 Is formed, and the wing portions 63 supported by the spring 30 and the multi-stage uneven structure 47 are formed on both sides in the inner space 41 of the lever 40, so that the lever 40 is at a predetermined angle. In the case of rotation, the lock 40 is automatically set so that the lever 40 cannot be rotated, and when the head 61 is pressed, the lock is released so that the lever 40 can be rotated to a predetermined angle range ( 60 and an elastic support member coupled to the support 49 of the lever 40 and pivoting integrally with the lever 40 to selectively support the front side of the cab glass window of the heavy equipment. And 70.

Here, the base plate 10 is a kind of bracket fixed to an adjacent portion of the cab glass window of the heavy equipment, and a through hole 11 for coupling a screw is formed.

The fixed shaft 20 formed integrally with the base plate 10 is a pivot shaft of the lever 40, and the groove 21 for accommodating the spring 30 and inserting the lower end of the pusher 60 at the upper portion thereof. Is formed, the outer peripheral surface is formed with an annular groove 23 for forming a guide so that the fastening member 50 for fixing the lever 40 to the fixed shaft 20 can be rotated together in accordance with the rotation of the lever 40. .

The spring 30 accommodated in the groove 21 of the fixed shaft 20 has a multi-stage uneven structure 47 in which an upper end of the wing portion 63 of the pusher 60 is formed on the locking jaw 45 of the lever 40. At the same time, the bottom of the pusher 60 is elastically supported so as to come into contact with the c), and the pusher 60 can be pressed by the pressure of the head 61.

The lever 40 fitted to the fixed shaft 20 is fixed to the fixed shaft 20 to allow opening and closing of the cab glass window of the heavy equipment while being rotated at a predetermined angle with respect to the fixed shaft 20. It is desirable to have a bending handle shape as a whole for ease.

In the above-described lever 40, an inner space 41 is formed to accommodate the wing portion 63 of the pusher 60 while the fixed shaft 20 is fitted downward, and a pusher is formed at an upper end of the inner space 41. The head 61 of the 60 passes through and protrudes and has a diameter smaller than that of the inner space 41 so that a locking jaw 45 is formed in which the upper end of the wing portion 63 of the pusher 60 is elastically contacted. A hole 43 is formed, and on one side, a support 49 to which the elastic support member 70 for contacting the glass window is coupled is integrally formed.

On the above-mentioned locking step 45, the multi-stage uneven structure 47 is formed in which the upper end of the wing portion 63 of the pusher 60 is elastically contacted. The multi-stage uneven structure 47 has a lever 40 formed on a glass window. When the upper portion of the wing 63 of the pusher 60 is rotated by a predetermined angle into the locking groove portion 47a which is inserted into it by the elasticity of the spring 30 so that the lever 40 can not be rotated. The lever 40 is slid onto the upper end of the wing portion 63 of the pusher 60 which is separated from the locking groove 47a by pressing the head 61 of the pusher 60 protruding through the through hole 43. ), The lever 40 is engaged with the first protrusion 47b and the upper end of the wing 63 of the pusher 60 in contact with the first protrusion 47b. It includes a second projection 47c to be rotated only within a predetermined angle range corresponding to the.

As the locking groove 47a is formed at the highest height among the multi-stage uneven structure 47, the first protrusion 47b is formed at the next intermediate height, and the second protrusion 47c is formed at the minimum height. When the lever 40 is rotated, the upper end of the wing portion 63 of the pusher 60 is in contact with the first protrusion 47b having a medium height. When the lever 40 is locked, the upper end of the wing portion 63 of the pusher 60 is locked. Since it comes into contact with the locking groove 47a which is the highest height, the head 61 of the pusher 60 is more protruded when the lever 40 is locked than when the lever 40 is rotated.

The fastening member 50 for rotatably fixing the aforementioned lever 40 to the fixed shaft 20 has one side of the lever 40, an annular groove 23 of the fixed shaft 20, and the other side of the lever 40. It is fixed to pass through in turn, and is rotated integrally along the annular groove 23 during the rotation of the lever (40). Holes 42 for coupling the fastening member 50 are formed at both sides of the lever 40.

The pusher 60, which is supported by the spring 30 and the multi-stage uneven structure 47, to enable locking and unlocking of the lever 40, is moved outward through the through hole 43 of the lever 40. Protruding head 61 is formed on the upper portion, and wing portions 63 supported by the spring 30 and the multi-stage uneven structure 47 are formed on both sides in the inner space 41 of the lever 40. .

The elastic support member 70 coupled to the support 49 of the lever 40 is rotated integrally with the lever 40 to selectively support the front side of the cab glass window of the heavy equipment, thereby preventing damage to the glass window. It is preferably formed of a rubber material.

The washer spring 80 is preferably interposed between the base plate 10 and the lever 40. The washer spring 80 provides elasticity in a direction opposite to the engagement direction of the lever 40. It serves to prevent the lever 40 from being randomly rotated about the fixed shaft 20 by the self-vibration or external impact of the heavy equipment.

3 and 4 show the locking and unlocking state of the locking device 1 for the cab glass window of the heavy equipment according to the preferred embodiment of the present invention, respectively. Hereinafter, the locking and unlocking operation of the locking device 1 for the cab glass window of the heavy equipment will be described with reference to FIGS. 3 and 4.

When the lever 40 is rotated at a predetermined angle so that the elastic support member 70 contacts the glass window to support the glass window in the closed state, as shown in FIG. 1 protrusion 47b is in contact with the upper edge of the wing portion 63 of the pusher 60 and then reaches the locking groove 47a, the pusher 60 is pushed up by the elasticity of the spring 30, the locking groove portion The locking is set so that the lever 40 cannot be arbitrarily rotated by the internal vibration or external shock of heavy equipment by being inserted into the interior of the 47a.

In order to open the glass window, the above-described locking state must be released, and such unlocking is pushed by the pusher 60 by pushing the head 61 of the pusher 60 as shown in FIG. 4. While moving into the groove 21, the upper portion of the wing 63 is made while exiting from the locking groove 47a.

When the locking state is released in this way, since the upper end of the wing portion 63 of the pusher 60 is slidable in contact with the first protrusion 47b, the lever 40 may be rotated in the opposite direction, and the elastic support member 70 may be rotated. When the glass window is completely out of the window, the upper edge of the wing portion 63 sliding in contact with the first protrusion 47b is caught by the second protrusion 47c, so that the lever 40 cannot be rotated any further, so that the lever 40 is the first protrusion 47b. Rotating within a predetermined angle range corresponding to the extension range of the) to open and close the glass window.

5 and 6 show a state diagram of use of the locking device 1 for the cab glass window of the heavy equipment according to an embodiment of the present invention.

As shown in Figure 5, the cab glass window locking device 1 of the heavy equipment is fixed to the lower side by the hinge 110 in the cab of the heavy equipment in the upper adjacent portion of the glass window 100 is opened and closed while rotating to the front side. On both sides, it is preferable that the two are installed symmetrically about the center.

As shown in the upper side of FIG. 6, in order to keep the window 100 closed, the lever 40 of both locking devices 1 is pushed down 90 by pushing the window 100 rotated to the front side. In this case, the elastic support member 70 supports the front side of the glass window 100 according to the locking by the coupling of the locking groove 47a and the upper end of the wing 63 of the pusher 60. The lever is fixed in the state.

As shown in the lower side of FIG. 6, in order to open the window 100, the head 61 of the pusher 60 is pressed to lock the groove 47a and the upper part of the wing 63 of the pusher 60. After releasing the locking state by the combination of the two, the lever 40 of the two locking device 1 is rotated 90 degrees in the opposite direction, in this case the elastic support member 70 from the front side of the glass window 100 As it is completely off, the glass window can be rotated to the front side and opened.

As described above, according to the locking device for the cab glass window of the heavy equipment according to the present invention described above, the locking of the cab glass window of the heavy equipment can be automatically and firmly made by a simple operation of rotating the lever, the heavy equipment itself Random opening of the glass window by vibration and external shock can be prevented.

In addition, by simply pressing the pusher can be unlocked to the cab glass window of the heavy equipment has the advantage that the glass window can be easily opened when necessary.

Claims (3)

A base plate fixed to an adjacent portion of a cab glass window of a heavy equipment that is hinged and fixed to one side and rotated in a predetermined angle range; A fixed shaft formed integrally with the base plate and having a groove formed therein; A spring installed in the groove of the fixed shaft; A lever in which an inner space into which the fixed shaft is fitted is formed, and a locking jaw is formed at the upper end of the inner space as a through hole is formed, and a multi-step uneven structure is formed on the locking jaw; A fastening member for rotatably fixing the lever with respect to the fixed shaft; When the lever is rotated at a predetermined angle as the head portion protruding to the outside through the through hole of the lever is formed, and the wing portions supported on the spring and the multi-stage uneven structure in the inner space of the lever are formed on both sides. The pusher includes: a pusher which automatically sets the locking so that the lever cannot be rotated, and releases the locking when the head is pressed to allow the lever to be rotated to a predetermined angle range; And And a resilient support member coupled to the lever and pivotally integrally to selectively support the front side of the glass window. The method of claim 1, Locking device for the cab glass window of the heavy equipment, characterized in that it further comprises a washer spring interposed between the base plate and the lever. According to claim 1 or claim 2, wherein the multi-stage uneven structure, A locking groove for inserting the upper end of the wing of the pusher by the elasticity of the spring when the lever is rotated at a predetermined angle so that the lever cannot be rotated; A first protrusion to slide the lever while the head of the pusher slides on an upper end of the winger of the pusher, which is separated from the locking groove; And And a second protrusion configured to rotate the lever only within a predetermined angle range corresponding to the first protrusion as the upper end of the wing of the pusher in contact with the first protrusion is caught. Locking device for windows.