RU2531663C1 - Optical instrument protection device - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to armament and military equipment and can be used as an optical instrument protection device of special purpose. The optical instrument protection device includes an optical instrument that is arranged in a cylindrical protection housing having an opening. Besides, the housing is provided in its upper part with two levers located on a vertical axis and setting the movement trajectory of the gates opening and closing the opening in the cylindrical protection housing. Gates are brought into action with two drives located in the rear part and consist of two movable parts of different length, which are connected to each other by means of a hinge with possibility of being folded in a vertical plane. Besides, the gates are rigidly fixed in the rear part with shafts, the lower ends of which are installed in drive mechanisms transmitting rotational movement. The optical instrument protection device is fully automated.

EFFECT: achieving protection against environmental impacts and damages caused by bullets and fragments when in an travelling position; providing small dimensions of the protection device; increasing a field of view of an optical instrument when in a fire position.

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Description

The invention relates to the field of weapons and military equipment and can be used as a device for protecting an optical device for special purposes.

A device for protecting sighting devices is known (Patent RU 2239149 C2 IPC F41H / 26, published on October 27, 2004). The device for protecting sighting devices includes a protective case with a window, a rotatable armored cover, mechanisms for opening an armored cover and a drive, each mechanism for opening an armored cover contains a rotatable housing and a crank with a pin mounted on the axis of rotation of the armored cover. In the rotary housing with the possibility of reciprocating movement, a slider connected to the armored cover is located. The crank pin enters the transverse closed groove of the slider. Between the armored cover and the end face of the rotary housing, an elastic element is located coaxially to the slider, and the slider has a stop restricting the mutual rotation of the rotary housing and the crank.

This device has several disadvantages: a limited viewing angle, a significant working area of the device when moving from traveling to a combat position, complex kinematics of the mechanism, significant power required to transfer the armored cover to another position.

Also known is the design of a device for protecting the lens of a tank sight (RU No. 2212621, IPC F41H 5/26, publ. 09/20/2003). A device for protecting the lens of a tank sight, made in the form of a cover pivotally mounted on the armor plate of the sight, and a drive that rotates the cap around the axis, has two wings pivotally interconnected. The upper sash is pivotally connected to the wings mounted with the possibility of pumping relative to the armor protection of the sight head. The lower sash is spring-loaded and pivotally mounted on the armor protection. The shutter is rigidly connected to the sector, on the outer surface of which a manual drive cable is laid.

The design disadvantages are: a large force required to close the lid, the absence of rigid fixation in the open position, which reduces the reliability of the device.

The closest is the drive cover of the sight of a combat vehicle (RU 2308664 C1 IPC F41H 5/26, publ. 20.10.2007). The drive of the scope cover provides rotation of the cap around an axis mounted on the armor plate of the scope head. The cover is made of two wings, pivotally mounted on the armor protection of the sight head. The drive consists of a handle located in the pipe with the possibility of its movement along the last and joint rotation with it and connected with a cable mounted on one of the valves. A sector is made on the pipe interacting with the latch. A cable is laid along the annular groove of the sector, fixed in the groove of the sector and on another sash.

The disadvantages of the device are: a change in the geometric characteristics of the Bowden over time (stretching), which leads to a violation of the tightness of the protective device; the need to use a special locking device that eliminates the smooth operation of the mechanism when opening / closing the lid, which can lead to malfunction and reduce reliability; insufficient tightness in the sealing compounds, which does not provide complete moisture insulation and protection against radioactive dust; design complexity, affecting reliability when performing combat missions.

The objective of the invention is the creation of an effective protection system for an optical device, which will create the necessary conditions for its successful operation of this device, increase the reliability of the device and provide the ability to automate the operation of the device.

EFFECT: providing protection against environmental influences and damage from bullets and fragments, ensuring small dimensions of the protection device, increasing the field of view of the optical device, reducing the free space required to transfer the device from traveling to combat position, smooth operation, the ability to automate the translation process devices from one position to another.

The problem is solved in that the device for protecting the optical device comprises a cylindrical protection case with a window closed by rotary folding flaps. On the upper part (roof) of the hull, two levers are located on the vertical axis, defining the trajectory of the front flaps. In the rear of the case there are two drives for opening and closing the wings, both jointly and separately. This device has two working positions: marching and combat. In the stowed position, the case window is hermetically closed by sashes and provides protection against environmental influences on the optical device and damage from bullets and fragments. In the combat position, the movable flaps of the protection housing are opened by two independent drives (for example, gear motors), which allow the left and right flaps to be opened separately or simultaneously. The protective system can be fully automated or activated manually. Open movable leaves provide a wide viewing angle, which is necessary for observation by the device.

The invention is illustrated by drawings: figure 1 shows a diagram of the structure of the device in the combat (open) position, figure 2 shows the marching (closed) position of the protection device, where:

1 - protection case; 2 - levers; 3 - front movable flaps; 4 - rear movable flaps; 5 - optical device; 6 - shaft drive mechanism; 7 - a leash; 8 - axis of levers, 9 - hinge, 10 - drive mechanism.

The optical device protection device consists of a cylindrical protection case 1, inside which an optical device 5 is installed, on the cover of the protection case 1 on the axis 8 two levers 2 are coaxially fixed with the possibility of rotation around axis 8. The levers 2 have leashes 7 at opposite ends from axis 8 in the form of a cylindrical rod located vertically and parallel to the walls of the protection housing 1. The leads 7 are pivotally connected to the front of the movable leaves 3. The movable leaves 3 on the opposite side are connected to the movable leaves 4 through hinges 9, allowing them to fold in a vertical plane. The flaps 4 on the opposite side are rigidly connected to the shafts 6, the lower ends of the shafts 6 are installed in the drive mechanisms 10, for example, a gearbox, which transmit rotational movements to the shafts 6.

The device operates as follows: using the drive mechanism 10, rotational motion is transmitted through the shafts 6 to the movable rear flaps 4, which through the hinges 9 transmit rotational-translational motion to the movable front flaps 3. The trajectory of the flaps 3 is set by the leashes 7 by turning the levers 2, which in turn, rotate freely on the axis 8. Thus, the protection device of the optical device 5 is transferred from the traveling to the combat position. The transfer from the combat to the stowed position is carried out by changing the direction of rotation of the shafts 6. To increase the viewing angle and reduce the dimensions of the protection device in the combat position, the front flaps 3 should be slightly longer than the rear flaps 4, which provides them with a larger retraction back behind the protection case.

Achieving the task is ensured by installing a protective device of the optical device, which provides protection from environmental influences and damage from bullets and fragments. The design of the protective device can be fully automated through the use of a drive mechanism, provides smoothness and reliability of the device, providing a wide viewing angle, necessary for monitoring the device.

Claims (1)

A device for protecting an optical device, comprising an optical device located in a cylindrical protection case, in which there is a window, and also having two levers located on the vertical axis on the upper part and defining the trajectory of movement of the shutters opening and closing the window in the cylindrical protection case, driven in motion by two actuators located in the rear of the housing, characterized in that the sash consists of two movable parts of different lengths, interconnected by a hinge with the possibility of adyvaniya in a vertical plane and rigidly connected at the rear of the shafts whose lower ends are mounted in the drive mechanisms transmit rotational motion.

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