RU2514485C1 - Device for limitation of fold rotation angle - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: device for limitation of a fold rotation angle relates to bolts and other locking devices for folds, preferably, for doors or windows of buildings, in particular, to devices for limitation of opening of doors and folds and for their fixation in the open position with the help of movable elements, engaged and disengaged, arranged on the frame and the fold. The device comprises a hingedly fixed pad with a slot that has an expansion at the end facing the hinged joint of the pad, and a rigidly fixed guide body with a longitudinal well for movement of the handle along it, which is rigidly fixed on the bar arranged as capable of longitudinal displacement in the guide body. At the end of the bolt there is a hook made as capable of passage through the expansion in the slot and its engagement with both longitudinal edges during rotation.

EFFECT: provision of further door opening only in the case, when the fold is closed.

2 cl, 11 dwg

Description

The invention relates to bolts and other locking devices for sashes, mainly for doors or windows of buildings, in particular to devices for restricting the opening of doors and sashes and for fixing them in the open position using movable elements located on the frame and sash, coupled and disengaged to provide further opening only if the sash is closed.

In this description, the terms are used in the following sense in accordance with the source of information [1]:

“Casement” is a general term for pivoting, sliding or otherwise moving doors or windows. This term also covers other movable structures, such as drawers, lids of drawers, car trunks, casings or hoods, to which control fasteners, snap-fit or locking devices belonging to this class can be mounted;

“Frame” - the element to which the sash is attached. This term does not include the frame that forms part of the sash, such as window binding, but in some cases the frame itself may be a sash;

“Deadbolt" is a sliding, pivoting or otherwise moving element that is usually located on a door to keep it closed by engaging with a holder on the frame. It is manually actuated using a key or other device;

“Pad” - an element in the form of a latch, hook, etc., pivotally mounted on a frame or sash, used to lock the sash, for example using a padlock.

The term “box” is understood in accordance with the source of information [2]:

“Box” - an assembly unit of a window or door block of a frame structure designed for hanging sashes or paintings, fixedly fixed to the walls of a window or doorway.

The terms "hook", "jamb" and "frame" are understood in accordance with the source of information [3]:

"Hook" - a device that captures, hooks something, or an object that you can catch on;

"Jamb" - each of the side parts of a door or window frame;

“Frame” - a quadrangular or other form of fastening of beams, slats for insertion, framing something.

The terms "box" and "frame" in this description of the invention are understood as synonyms.

The terms “protrusion”, “groove”, “plate” and “well” are understood in accordance with the source of information [4]:

“Ledge” is the protruding part of something;

"Groove" - a narrow slot or recess in which a protrusion of another object is inserted during bonding;

“Plate” - a flat strip of solid material;

"Well" - a narrow hole, a gap. Castle s. (key hole).

A disclosing device for a sash of a window or door is known, in which a limiter of the angle of rotation of the sash relative to the frame is provided between the sash and the frame. The limiter consists of a opening lever, which is mounted with the possibility of rotation respectively on the sash and frame and is made of plates. Each plate has a longitudinal groove and a persistent protrusion located in front of the plate at a distance from the plane of the plate. Each plate enters a persistent protrusion into the longitudinal groove of the other plate. The abutment protrusion of each plate is adjacent to the abutment for another abutment protrusion. A thrust protrusion is formed by the bent portion of the plate. A clamping protrusion oriented in the longitudinal direction of the longitudinal groove should protrude from the end of the longitudinal groove. Interacting with each other, the stop and the clamping protrusion are coordinated with each other so that they are made with the possibility of passing past each other with elastic deformation of the clamping protrusion. This device provides for the locking of the sash in its open position in a small structural space. The swivel joint located on the sash or frame is formed by a hole and a mushroom pin extending through this hole, the expanded head of which is covered from below by the locking lever. The locking lever is mounted on the opening lever with the possibility of rotation or displacement and, using a separate section, covers the mushroom head from below with a blocking effect. The locking lever in the locking position is in a combined position with the opening lever. The locking lever is locked in its locking position by a locking element. It should be mentioned that the disclosing device is preferably applicable for flaps that are rotatable about a lower horizontal axis. However, it can also be provided that the pivoting movement of the sash, which is configured to pivot about the lateral axis [5], should be limited.

The disadvantages of this device include the increased complexity of the design due to the large number of parts, which also have a complex shape. Another disadvantage of this device can be attributed to the fact that the device is completely located in the gap between the jamb and the sash in the closed position of the sash, which requires an increased width of the gap between the jamb and the sash in its closed position, at least at the location of this device, which not always possible for doors. In addition, the device’s disadvantage is low security to prevent unauthorized entry into the room through an ajar door, since an attacker can easily get out of a fixed state and turn the locking lever with the subsequent removal of the end of this device from the mushroom pin.

It is known a locking device for doors, which makes it possible to partially open the door with blocking the further opening of the ajar door, installed inside the room on the door and door frame with the possibility of using the device indoors and outdoors and containing a lock and elements for blocking the opening of the door with key access to the lock a locking device outside the room through the gap between the ajar door and the door frame when the door is locked, and with the door open Cops for blocking the door opening are folded with a spring on top of each other, and at a right angle to them is an element automatically locked in the opening of the lock case when closing the door, while the fixing bolt located in the hole of the lock case is made inaccessible after locking the element in the opening of the lock case, and the locking device has a tap from the lock for opening from the inside of the room [5].

Known protected from breaking automatically locking device for holding the door in the closed or partially ajar position, intended for use both from the inside of the room, and leaving it. It is installed on the door from the inside of the room and contains a lock with access from outside to its keyhole through the gap between the door and the door frame with the door locked. The device also contains a fixed element and successively connected by axes movable elements in the form of levers, which, when inoperative, are automatically returned by means of springs and assume their initial fixed position. The element, which is a lockable element, is automatically locked in the fixed lock lock case when the door is closed with a latch. At this time, the lock, which is connected to the lock mechanism with the keyhole on the outside of the doors, is engaged by a protrusion on the element and holds it in a fixed position, in which the door is held in the closed position. To open the door completely from the inside of the room, you need to release the lockable element from the latch using the remote handle of a permanent key or through the keyhole with the key to it, and to open the door you must partially release the protrusion of the key with the key through the keyhole outside the room or manually with the inside of the room. The locking device on the inside of the room has a retract with a handle that is protected by a housing and is not accessible from the outside through an ajar and locked door and is designed to control the gap of the door ajar and to keep the door in a closed position without the possibility of opening from the outside. On the inside of the room you can use the handle, with which you need to move the T-shaped end in the slot of the element, then turn the handle 90 degrees and fix it at the desired level on the holder. So you can adjust the gap ajar doors or keep it in the closed position without the possibility of opening from the outside [6].

The disadvantages of the known devices [5] and [6] include the complexity of their design and the inconvenience of operation. The complexity of the design is due to the large number of parts, some of which are complex in shape and low-tech in manufacturing, and the large number of joints between them, as well as the presence of an additional key lock. The inconvenience of operation is associated with the need to have a key to an additional lock. In addition, these devices are not sufficiently reliable in operation, since an attacker can easily disable them by simply introducing an additional lock of a foreign object into the keyhole (for example, a fragment of a match), which will lead to the necessity of opening the device by force, since removing the foreign body from the lock additional lock wells will not be possible due to the specially provided extremely difficult access to the keyhole of the additional lock.

A device is known for limiting the opening of a door, containing a rigid connection in the form of a two-shouldered lever, at one end of which a latch is fixed, interacting with a guide mounted on a fixed door element - a door jamb or a wall. A heel is fixed at the other end of the two-shouldered lever, which has the ability to go beyond the door leaf and interact with the door jamb. The two-shouldered lever is reinforced by a hinge that allows for twists and limited linear movements of the two-shouldered lever relative to the door leaf. The two-arm lever is spring-loaded relative to the door leaf by means of an elastic element (compression spring) and by means of a rod interacts with a drive mechanism, which is equipped with a retractable bolt that locks the latch in its closed position, while the drive mechanism has two modes: the door opening mode with a limited rotation angle and door opening mode without limiting the angle of rotation [7].

The disadvantages of this device include the high complexity of its design and, as a result, insufficiently high operational reliability. The complexity of the device is due to both a large number of parts and a large number of their articulation elements, one of which is the hinge of the two-arm lever attachment - also has increased structural complexity, since it must provide the two-arm lever not only with rotation, but also with limited linear movements relative to the door leaf. In addition, the device is complicated by the presence of a drive mechanism, the design of which is not disclosed and is, most likely, an electromechanical assembly. In addition, the drive mechanism reduces the safety of operation, as it allows unauthorized entry into the room due to erroneous opening of the door wide if the drive mechanism has not been previously transferred from the door open mode without limiting the angle of rotation to the mode of opening the door with limiting the angle of rotation.

A disclosing device for a sash of a window or door is known, in which a limiter of the angle of rotation of the sash relative to the frame is provided between the sash and the frame. The limiter consists of a opening lever, which is mounted with the possibility of rotation respectively on the sash and frame and is made of plates. Each plate has a longitudinal groove and a persistent protrusion located in front of the plate at a distance from the plane of the plate. Each plate enters a persistent protrusion into the longitudinal groove of the other plate. The abutment protrusion of each plate is adjacent to the abutment for another abutment protrusion. A thrust protrusion is formed by the bent portion of the plate. A clamping protrusion oriented in the longitudinal direction of the longitudinal groove should protrude from the end of the longitudinal groove. Interacting with each other, the stop and the clamping protrusion are coordinated with each other so that they are made with the possibility of passing past each other with elastic deformation of the clamping protrusion. This device provides for the locking of the sash in its open position in a small structural space. The swivel joint located on the sash or frame is formed by a hole and a mushroom pin extending through this hole, the expanded head of which is covered from below by the locking lever. The locking lever is mounted on the opening lever with the possibility of rotation or displacement and, using a separate section, covers the mushroom head from below with a blocking effect. The locking lever in the locking position is in a combined position with the opening lever. The locking lever is locked in its locking position by a locking element. It should be mentioned that the disclosing device is preferably applicable for flaps that are rotatable about a lower horizontal axis. However, it can also be provided that the pivoting movement of the sash, which is configured to pivot about the lateral axis [8], should be limited.

The disadvantages of this device include the increased complexity of the design due to the large number of parts, which also have a complex shape. Another disadvantage of this device can be attributed to the fact that the device is completely located in the gap between the jamb and the sash in the closed position of the sash, which requires an increased width of the gap between the jamb and the sash in its closed position, at least at the location of this device, which not always possible for doors. In addition, the device’s disadvantage is low security to prevent unauthorized entry into the room through an ajar door, since an attacker can easily get out of a fixed state and turn the locking lever with the subsequent removal of the end of this device from the mushroom pin.

A device for limiting the angle of rotation of the sash, called "door chain". The door chain contains a chain, which is attached at one end (the last link) to the plate with holes for fasteners (screws or screws) to fix the chain to the jamb, and a hook with a spherical or mushroom-shaped thickening at the end is fixed at the other end of the chain. The device also includes a locking strip with a groove having an extension at one end and holes for fasteners (screws or screws) for rigidly securing the locking strip on the casement by expanding the groove in the opposite direction from the edge of the casement. The expansion in the groove serves to introduce a spherical or mushroom-shaped thickening of the hook into the groove in order to provide a limited opening of the leaf and extract the spherical or mushroom-shaped thickening of the hook from the longitudinal slot to ensure that the leaf opens completely [9], [10].

This known device has the following two technical disadvantages. Firstly, it can only be used for shutters that open inside the room, since the striker plate cannot be fixed on the jamb due to its sufficiently long length due to the large length of the groove made in it, and the jamb is both wooden and, moreover, , metal has a significantly smaller transverse thickness. Secondly, the chain can be eaten with nippers, since the chain links, like the other parts of the device, are in practice made of annealed plastic steel and are not quenched after the manufacture of the device. Thirdly, with a sufficiently powerful jerk, some chain link (weakest) can break due to a small cross section and internal defects (microcracks or microcracks) in the metal. The first technical drawback leads to a decrease in the area of use of the device, and the second and third to reduce the safety of operation.

A device is known for fixing an ajar door or window, which comprises a base, a locking element, a locking strip and a connecting element, wherein the connecting element is made of flexible material and is inseparably connected to the base and the locking strip by means of a conical fixing screw. As a connecting element in the device, a metal and non-metal rope (cable) can be used. The locking bar has a figured hole corresponding in shape to a T-bolt, locking recesses for additional (second degree) fixing the T-bolt in the locked position and a pusher with a spring [11].

A technical drawback of this device is that an attacker can easily disengage the T-bolt from the locking plate by sticking his hand in the doorway and turning the T-bolt 90 degrees, previously pressing it against the action of the spring-loaded pusher, which drastically reduces safe operation of this device, since the attacker will not be able to resist children, women and the elderly. To eliminate this technical drawback, the maximum clearance (opening) of the ajar door should be narrow enough so that the palm does not crawl, for example, not more than 4 cm. But with such a narrow clearance (opening) of the ajar door, not only a small overview is created, but also the inconvenience of communicating with the visitor (by visitors) and receiving from them (such as postmen or couriers) delivered small items or parcels.

The closest in design device for limiting the angle of rotation of the sash is known, adopted for the prototype, called the “chain loop”, containing a plate with a hinge, made in the form of an elongated loop with a groove having an extension at the end facing the hinge (in fact, this a locking plate that performs the same functions as in the above-described “door chain” device, but not fixed rigidly, but pivotally, that is, with the possibility of rotation). The swivel plate (thanks to the hinge mount) is mounted on a jamb. The device also contains a hook with a spherical or mushroom-shaped thickening, which is rigidly attached to the sash that opens inward, with the possibility of catching the lining for it by putting the lining with the extended end of the groove on the spherical or mushroom-shaped thickening of the hook with the sash completely closed. Upon subsequent opening of the sash inward, the hook moves into the groove of the lining and spherical or mushroom-shaped thickening engages with the edges of the groove, which ensures a limited angle of rotation of the sash (in fact, the hook here performs the same functions as the hook in the “door chain” device, only fixed motionless) [12].

The technical disadvantage of this device is that the hook acts as a spherical or mushroom-shaped thickening over the edge of the surface on which it is rigidly fixed. This leads to the fact that manufacturers and suppliers recommend installing this device only on leafs that open inward, since when installing on leafs that open outward, a hook with a spherical or mushroom-shaped thickening must be rigidly fixed to the jamb. At the same time, the hook along with a spherical or mushroom-shaped thickening will constantly protrude beyond the inner edge of the jamb, which not only has an unaesthetic appearance, but also reduces the width of the door frame passage, and also creates a danger of people passing by catching it. Thus, the disadvantages of this device include a low field of application (only for leafs that open inward), as well as an unaesthetic appearance and increased danger of operation when installed on leafs that open not only outward, but also inward.

Thus, the technical disadvantage of the prototype indicated in the previous paragraph reduces the operational safety of the device.

The objective of the invention is to eliminate the technical disadvantage of the prototype described above and consisting in the fact that one of the details of the prototype (spherical or mushroom-shaped thickening of the hook) constantly protrudes beyond the edge of the surface on which it is attached, as well as the expansion of the field of operation of the device associated with the elimination of this technical disadvantage by providing the possibility of using it both for shutters opening inward and for shutters opening outward, as well as increasing the safety of its operation tion and improvement of its aesthetic appearance.

In addition, the object of the invention is to ensure the manufacturability of the device.

Another objective of the invention is the expansion of the arsenal of technical means for a similar purpose.

The objectives of the invention are solved by the fact that in the device for limiting the angle of rotation of the sash, containing a hook and hinged plate with a groove having an extended end facing the hinge, the hook is made on the end of the bolt with the possibility of longitudinal movement and passage through the extended end groove lining, as well as with the possibility of engagement for the edge of the groove along its entire length when opening the sash.

To solve the problem of ensuring manufacturability, including the possibility of using a deadbolt of both square and round cross-section, the hook is made at the end of the deadbolt, on which the handle is rigidly fixed, the deadbolt with the possibility of longitudinal movement is placed in the guide body, in which the longitudinal well is made with the possibility of movement along the handle of the bolt, the pad is made in the form of a plate, and the hinge is made in the form of a door or window hinge.

New features of the invention in conjunction with the known features can solve the problems of the invention, while all the features form an inextricable aggregate, due to which the objectives of the invention are solved.

Indeed, the elimination of the technical disadvantage of the prototype in the form of a protruding hook with a spherical or mushroom-shaped thickening over the edge of the plane of attachment on the sash or jamb is provided by the use of a movable (with the possibility of longitudinal movement) bolt with a hook at the end, made with the possibility of passing through the extended end of the groove of the patch, with the possibility of engagement over the edge of the groove along its entire length when opening the sash. The task of ensuring the manufacturability of manufacturing, including the possibility of manufacturing a deadbolt of both square and round cross-section, was solved due to the fact that the hook is made at the end of the deadbolt with a rigidly fixed handle, the deadbolt with the possibility of longitudinal movement is placed in the guide body with a longitudinal well for moving the handle along it the bolt, while the pad is made in the form of a plate, and the hinge is made in the form of a door or window hinge. An additional increase in the safety of operation of the device is ensured by the fact that the hook is made with the possibility of engagement for both edges of the groove. The use of the entire set of restrictive (known from the prototype) and new features allows you to push the bolt through the extended end of the groove in the plate, previously rotated around the hinge until it touches the jamb or the end of the guide body (when the sash opens outward), then when the sash is opened, the plate is put in with a groove on the bolt, while the hook engages with both edges of the groove, preventing a possible attempt to open the cover from the hook and unauthorized persons with an ajar sash continuously penetrate into the room. Due to this, the technical disadvantages of the prototype in the form of permanently sticking out hooks with spherical or mushroom-like thickening were eliminated. As a result, the scope of the device has been expanded to limit the angle of rotation of the sash, since it can equally well be used both for the sash opening inward and for the sash opening outward, and also the improvement of the external (aesthetic) appearance of the device is ensured.

A device for limiting the angle of rotation of the sash, being new, expands the arsenal of technical equipment for a similar purpose, which is additionally one of the objectives of the invention.

Thus, all these objectives of the invention are solved by a combination of known (restrictive) and new features.

It should be noted that all the main objectives of the invention are achieved by using all the features of an independent claim.

A preferred embodiment of certain features of the invention is indicated in the dependent claims.

A non-limiting embodiment of the present invention is described with reference to the drawings by way of example.

Figure 1 shows a perspective view of the limiter of the angle of rotation of the sash in the initial state, in which the pad is in contact with the sash that opens outward.

Figure 2 shows the same as in figure 1, but with the bolt hook extended outward (beyond the edge of the jamb).

Figure 3 shows the same as in figure 2, but in the slightly open outward position of the sash to the length of the groove in the cover plate to prevent unauthorized passage.

Figure 4 shows a rectangular projection of the left view (with respect to the sash, if you stand facing it) with the position of the lining, turned to contact with the jamb.

Figure 5 shows a section along aa in figure 4.

In Fig.6 shows the same as in Fig.4, front view.

In Fig.7 shows the same as in Fig.4, a top view.

On Fig depicts the same as in Fig.7, but with the bolt hook extended outward through the widened end of the groove in the patch.

Fig.9 shows a section along BB in Fig.8.

Figure 10 shows the same as in figure 3, but in a rectangular projection, top view.

Figure 11 shows a section bb in figure 10.

A device for limiting the angle of rotation of the sash contains a cover 1 with a hinge 2 and a groove 3 of the same width, ending with an expanded end 4 facing the hinge 2, which is made with the possibility of rotation of the lining 1 in the form of a door hinge and is rigidly fixed with fasteners 5 on the casement 6, opening outward. The device also contains a deadbolt 7, placed in the guide housing 8 with the possibility of longitudinal movement. In the guide body 8, a longitudinal well 9 is made with the possibility of moving along it a handle 10, rigidly fixed on the deadbolt 7, at one end of which a hook 11 is made with the possibility of engagement for both longitudinal edges of the groove 3. The guide body 8 is fastened with fasteners 12 to Jamb 13.

A device for limiting the angle of rotation of a leaf opening outward is used as follows.

The cover plate 1 with a hinge 2 using fasteners 5 (screws or screws) is rigidly fixed to the leaf 6. On the jamb 13 using the fasteners 12 (screws or screws) rigidly fix the guide body 8 of the bolt 7 with the handle 10 and the hook 11 with the possibility of passage the hook 11 when it is pulled out from the guide body 8 through the extended end 4 of the groove 3 in the lining 1, rotated around the hinge 2 until it touches the jamb 13. If necessary, open the sash 6 with a limited angle of rotation Then the pad 1 is rotated around the hinge 2 until it is in contact with the jamb 13 or the end face of the guide body 8. Then, the bolt 7 by the handle 10 is moved along the guide body 8 until the hook 11 comes out through the extended end 4 of the groove 3 in the trim 1, while the handle 10 moves until it stops along the longitudinal well 9. After this, the locks on the leaf 5 are opened (locks and internal deadbolt, not shown) and the leaf 6 is opened to the length of the groove 3, while the hook 11 engages with the longitudinal edges of the groove 3, so that about 1 is securely fixed against rotation around the hinge 2, thereby preventing the possibility of unauthorized entry into the building.

To return the lining 1 to its initial inoperative state, in which the sash 6 can be fully opened, it is necessary to perform the above steps with the structural elements of the device to limit the angle of rotation of the sash in the reverse sequence.

Using the device to limit the angle of rotation of the sash opening inward is carried out by performing the same sequence of actions as for the sash opening outward, with the difference that the lining 1 through the hinge 2 using the fasteners 12 is rigidly attached to the jamb 13, and on the sash 6 is rigidly fastened by means of fasteners 5 to the guide body 8 with a bolt 7.

The device to limit the angle of rotation of the sash can be widely used for doors of residential premises, opening both outside and inside, in order to prevent intruders from posing as representatives of law enforcement agencies, social and medical welfare institutions, post offices managing company houses , trade organizations and so on.

A device for limiting the angle of rotation of the sash can also be widely used for office doors in cases where, for example, according to security regime rules, it is required to receive correspondence for painting without passing a courier or postman into the room.

Information sources

1. Notes for Class 05 in the International Patent Classification 2013, Advanced Level in XML, Website: http://www1.fips.m/wps/portal/IPC/IPC2013_extended_XML/? Xml = http: // www1.http: / /fips.ru/IPC2013_extended_XML/AIpc-20130101_subclass-E_XML/Aipc20130101-class_E.xml

2. GOST 23166-99 WINDOW BLOCKS.

3. Dictionary of the Russian language: In 4 volumes / Academy of Sciences of the USSR, Institute of Russian; Ed. A.P. Evgenyeva. - 3rd ed., Stereotype. - M.: Russian language, 1985-1988.

4. Ozhegov S.I. Dictionary of the Russian language: approx. 57,000 words / Under. ed. Ph.D. sciences, prof. N.Yu.Shvedova. - 14th ed., Stereotype. - M .: Rus.yaz., 1982.

5. RF patent for the invention No. 2362863, E05C 17/30, published July 27, 2009.

6. RF patent for the invention No. 2151257, E05C 17/02, published on 06/20/2000.

7. RF patent for the invention No. 2177531, E05C 17/02, published December 27, 2001.

8. RF patent for the invention No. 2149967, E05C 17/02, published on 05.27.2000.

9. GOST 5091-78, Hardware accessories for wooden windows and doors, types. - M .: publishing house of standards. 1987.

10. Website: http://www.doorlock.ru/article/13.

11. RF patent for utility model No. 115392, Е05С17 / 00, published on April 27, 2012.

12. Website: http://archie.com.ua/ru_c01_cepochka_dvernajal.html.

Claims (2)

1. A device for limiting the angle of rotation of the sash, containing a hook and hinged plate with a groove having an extended end facing the hinge, characterized in that the hook is movable with the possibility of longitudinal movement and passage through the extended end of the groove, and with the possibility of engagement over the edge of the groove along its entire length when opening the sash. 2. The device according to claim 1, characterized in that the hook is made at the end of the deadbolt, on which the handle is rigidly fixed, the deadbolt with the possibility of longitudinal movement is placed in the guide body, in which the longitudinal well is made with the possibility of moving along the deadbolt handle, while the pad made in the form of a plate, and hinged in the form of a door or window hinge, and the hook is made with the possibility of engagement for both edges of the groove.

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