CN110512969B - Temperature sensing, positioning and window closing device for fireproof window - Google Patents
Temperature sensing, positioning and window closing device for fireproof window Download PDFInfo
- Publication number
- CN110512969B CN110512969B CN201910929277.5A CN201910929277A CN110512969B CN 110512969 B CN110512969 B CN 110512969B CN 201910929277 A CN201910929277 A CN 201910929277A CN 110512969 B CN110512969 B CN 110512969B
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- groove
- window
- torsion
- thimble
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- 230000008093 supporting effect Effects 0.000 claims abstract description 14
- 230000000670 limiting effect Effects 0.000 claims description 41
- 229920006324 polyoxymethylene Polymers 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- -1 polyoxymethylene Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/24—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member
- E05C17/28—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member with braking, clamping or securing means at the connection to the guide member
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
- E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a temperature sensing, positioning and window closing device for a fireproof window, which comprises a slideway and a sliding plate, wherein a sliding block is clamped in the slideway in a sliding way, the top surface of the sliding block is provided with an expanding piece for expanding the slideway, and an expanding groove is formed in the expanding piece; the front part of the bottom surface of the sliding block is hinged with a supporting arm, the rear part of the bottom surface of the sliding block is provided with a sliding thimble, the front end of the sliding thimble extends into the tensioning groove, the width of the tensioning groove is smaller than the cross section width of the sliding thimble, the rear end of the sliding thimble is propped against a threaded piece through a heat sensitive element, and the threaded piece is connected to the sliding block through threads; the front part of the sliding plate is hinged with the front end of the supporting arm, and the rear part of the sliding plate is connected with the power device through the power arm. The invention has compact structure and convenient use, and a user can randomly adjust the opening angle of the window sash according to the needs, and the invention also has the function of automatically closing the window.
Description
Technical Field
The invention relates to the field of fire window accessories, in particular to a temperature sensing, positioning and window closing device for a fire window.
Background
The temperature control release device used for the existing fire window senses temperature through a heat sensitive original, and when the temperature reaches the corresponding specified temperature of national fire protection, the temperature is blasted or melted to release a supporting type stay state of the window, so that the fire window is automatically closed by power, most of the temperature control release devices in the current market have only a plurality of fixed positions, the opening angle of a window sash cannot be freely adjusted, and the use of a user is very inconvenient.
Disclosure of Invention
The invention aims to provide a temperature sensing, positioning and window closing device for a fireproof window, which solves the problem that the opening angle of a window sash cannot be freely adjusted due to the fact that the existing temperature control release device has only a plurality of fixed positions.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a temperature sensing, positioning and window closing device for a fireproof window, which is characterized by comprising the following components:
the sliding rail is arranged in the window frame groove, a sliding block is connected in the sliding rail in a sliding way in a clamping way, an expanding piece for expanding the sliding rail is arranged on the top surface of the sliding block, and an expanding groove is formed in the expanding piece; the front part of the bottom surface of the sliding block is hinged with a supporting arm, the rear part of the bottom surface of the sliding block is provided with a sliding thimble, the front end of the sliding thimble extends into the tensioning groove, the width of the tensioning groove is smaller than the width of the cross section of the sliding thimble, the rear end of the sliding thimble is propped against a threaded piece through a heat-sensitive element, and the threaded piece is connected to the sliding block through threads;
the sliding plate is connected in the window sash groove in a sliding mode, the front portion of the sliding plate is hinged to the front end of the supporting arm, the rear portion of the sliding plate is connected with a power device which is fixedly arranged on the window frame through a power arm, the middle portion of the power arm is hinged to the sliding plate, and one end of the power arm is fixedly connected with a power shaft of the power device.
Further, the top surface and the bottom surface of slider are provided with the mounting groove respectively and dodge the groove, the mounting groove with dodge the lateral wall in groove and pass through the guiding hole intercommunication, the tight piece that expands is located in the mounting groove, the heat-sensitive element is located dodge in the groove, the slip thimble sliding connection is in the guiding hole, the front end of slip thimble extends to in the tight groove that rises, and the rear end of slip thimble supports on the tip of heat-sensitive element.
Further, the heat sensitive element is provided as a fusible metal capable of melting in 1s to 120s when the temperature reaches above 60 ℃, or as glass beads capable of exploding in 1s to 120s when the temperature reaches above 60 ℃.
Further, the slider is provided with a vertical plate for preventing the sliding thimble from shaking, the vertical plate is located in the avoidance groove, and the rear end of the sliding thimble penetrates through the vertical plate and then abuts against the end part of the heat-sensitive element.
Furthermore, the expansion piece is made of polyoxymethylene POM material.
Further, the power device comprises a sleeve and a mounting plate which are fixed together;
the torque adjusting device comprises a sleeve, and is characterized in that a torque adjusting assembly, a torsion spring and a first connecting shaft are sequentially arranged in the sleeve from bottom to top, one end of the torsion spring is connected with the first connecting shaft, the other end of the torsion spring is connected with the torque adjusting assembly, the upper end face of the first connecting shaft extends to the outer side of the upper end face of the sleeve and is fixedly connected with a power arm in a mounting mode, a first annular limiting groove is formed in the first connecting shaft, a first limiting jackscrew is connected onto the sleeve through threads, and one end of the first limiting jackscrew extends to the first annular limiting groove.
Further, the torsion adjusting assembly comprises a first torsion shaft, a second annular limiting groove is formed in the first torsion shaft, a second limiting jackscrew is connected to the sleeve through threads, one end of the second limiting jackscrew extends into the second annular limiting groove, the upper end of the first torsion shaft is connected with the torsion spring, the lower end of the first torsion shaft is connected with a first end face gear, a second end face gear is meshed below the first end face gear, a plurality of positioning holes are formed in the circumferential side wall of the second end face gear, a third limiting jackscrew is connected to the sleeve through threads, and one end of the third limiting jackscrew extends into the corresponding positioning hole;
the lower end face of the second face gear is provided with a torsion adjusting groove for adjusting the rotation of the second face gear.
Further, the connection contact surfaces of the first connecting shaft and the first torsion shaft and the torsion spring are respectively provided with a boss, the bosses are provided with openings, the end parts of the torsion spring are sleeved on the bosses, and the spring wires at the end parts of the torsion spring are embedded into the openings.
Further, the power device comprises a sleeve and a mounting plate which are fixed together;
the sleeve is internally provided with a second face gear, a first face gear, a second torsion shaft, a torsion spring and a second connecting shaft in sequence from bottom to top, the shoulder end face of the second connecting shaft is propped against the bottom surface of the inner cavity of the sleeve, and the upper end of the second connecting shaft penetrates through a preformed hole on the bottom surface of the inner cavity of the sleeve and is fixedly connected with the power arm;
a plurality of positioning holes are formed in the circumferential side wall of the second face gear, a third limiting jackscrew is connected to the sleeve through threads, and one end of the third limiting jackscrew extends into the corresponding positioning hole;
the lower end face of the second face gear is provided with a torsion adjusting groove for adjusting the rotation of the second face gear.
Further, the connection contact surfaces of the second connecting shaft and the second torsion shaft and the torsion spring are respectively provided with a boss, the bosses are provided with openings, the end parts of the torsion spring are sleeved on the bosses, and the spring wires at the end parts of the torsion spring are embedded into the openings.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention mainly comprises a slideway, a sliding block, an expanding piece, a supporting arm, a sliding thimble, a heat-sensitive element, a threaded piece, a sliding plate, a power arm and a power device, wherein when a fire disaster occurs, the heat-sensitive element loses the limiting effect on the sliding thimble at high temperature, the expanding piece extrudes the sliding thimble to slide backwards for retraction, the expanding piece is not expanded by the supporting effect of the sliding thimble, the friction force between the left side wall and the right side wall of the expanding piece and the slideway is reduced, and the window sash is automatically closed under the driving force of the power device. The invention has compact structure and convenient use, and a user can randomly adjust the opening angle of the window sash according to the needs, and the invention also has the function of automatically closing the window.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the installation and connection states of a slider, an expansion member, a sliding thimble and a heat sensitive element according to an embodiment;
FIG. 3 is a diagram showing the mounting and connecting states of the slider, the expansion member, the sliding thimble and the heat sensitive element according to the first embodiment;
FIG. 4 is a schematic diagram showing a slider state and a structure according to an embodiment;
FIG. 5 is a schematic diagram of a second slider state structure according to the first embodiment;
FIG. 6 is a schematic view of an embodiment of an expanding member;
FIG. 7 is a schematic view of a sliding thimble according to an embodiment;
FIG. 8 is a schematic illustration of the connection of a sleeve and a mounting plate according to an embodiment;
FIG. 9 is a schematic view of the internal parts of a sleeve according to an embodiment;
FIG. 10 is a schematic structural view of a first connecting shaft according to an embodiment;
FIG. 11 is a schematic diagram illustrating the connection between a first connecting shaft and a torsion spring according to an embodiment;
FIG. 12 is a schematic view of a first torsion axle of an embodiment;
FIG. 13 is a schematic diagram showing the connection of a first face gear and a second face gear according to an embodiment;
FIG. 14 is a schematic view of a power arm according to an embodiment;
FIG. 15 is a schematic view of an embodiment of the present invention;
FIG. 16 is a schematic view of the internal parts of the second sleeve according to the embodiment;
FIG. 17 is a schematic view of the structure of a second torsion axle of the second embodiment;
fig. 18 is a schematic structural diagram of a second connecting shaft according to the second embodiment.
Reference numerals illustrate: 1. a slideway; 2. a slide block; 201. a mounting groove; 202. an avoidance groove; 203. a guide hole; 204. a vertical plate; 3. an expansion member; 301. a tensioning groove; 4. a support arm; 5. sliding the thimble; 6. a heat-sensitive element; 7. a screw; 8. a slide plate; 9. a power device; 901. a sleeve; 902. a mounting plate; 903. a torsion adjustment assembly; 903-1, a first torsion axis; 903-1-1, a second annular limiting groove; 903-2, a second spacing jackscrew; 903-3, a first face gear; 903-4, a second face gear; 903-4-1, locating holes; 903-5, a third limiting jackscrew; 904. a torsion spring; 905. a first connecting shaft; 905-1, a first annular limiting groove; 906. a first limit jackscrew; 903-1', a second torsion axis; 905', a second connecting shaft; 10. a power arm. 11. A boss; 1101. an opening.
Detailed Description
Example 1
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, this embodiment discloses a temperature sensing, positioning and window closing device for fire window, which includes: the sliding way 1 arranged in the window frame groove is arranged in the window frame groove through a screw, the sliding way 1 is provided with a sliding block 2 in the sliding way 1 in a sliding clamping manner, the sliding block 2 can freely slide along the sliding way 1, the top surface of the sliding block 2 is provided with a tensioning piece 3 for tensioning the sliding way 1, and it is to be noted that in the embodiment, the opposite surface of the sliding block 2 and the sliding way 1 is a top surface, the leakage surface of the sliding block 2 is a bottom surface, and a tensioning groove 301 is arranged in the tensioning piece 3.
The front portion of the bottom surface of the sliding block 2 is hinged with a supporting arm 4, the rear portion of the bottom surface of the sliding block 2 is provided with a sliding thimble 5, the front end of the sliding thimble 5 extends into a tensioning groove 301, the width of the tensioning groove 301 is smaller than the cross section width of the sliding thimble 5, the rear end of the sliding thimble 5 abuts against a threaded piece 7 through a heat sensitive element 6, and the threaded piece 7 is connected to the sliding block 2 through threads. In this embodiment, the screw 7 is a jackscrew.
The adjusting process of the expanding piece 3 is as follows: the front end of the sliding thimble 5 extends into the tension groove 301, and since the width of the tension groove 301 is smaller than the width of the cross section of the sliding thimble 5, in the process that the screw 7 pushes the sliding thimble 5 forward through the heat sensitive element 6, the opening of the tension groove 301 is continuously enlarged by the sliding thimble 5, meanwhile, the width of the cross section of the tension element 3 is enlarged, the left and right side walls of the tension element 3 continuously squeeze the inner side walls of the slideway 1, and the friction between the tension element 3 and the slideway 1 is continuously increased. In this embodiment, the expanding member 3 is made of polyoxymethylene POM material, which is commonly called racing steel.
The embodiment also comprises a sliding plate 8 which is in sliding clamping connection with the window sash groove, the front part of the sliding plate 8 is hinged with the front end of the supporting arm 4, the rear part of the sliding plate 8 is connected with a power device 9 which is fixedly arranged on the window frame through a power arm 10, the middle part of the power arm 10 is hinged with the sliding plate 8, and one end of the power arm 10 is fixedly connected with a power shaft of the power device 9. It should be noted that, in the case that the fire-free heat-sensitive element 6 is not exploded, the friction force between the expansion member 3 and the slideway 1 is larger than the torsion force of the power device 9, and the window sash is fixed after being pushed away by a certain angle. It should be noted that, the hinge position of the power arm 10 is higher than the support arm 4, and the power arm 10 will not interfere with the support arm 4 during rotation.
As shown in fig. 2 to 7, the top surface and the bottom surface of the slider 2 are respectively provided with a mounting groove 201 and an avoidance groove 202, the side walls of the mounting groove 201 and the avoidance groove 202 are communicated through a guide hole 203, the expanding member 3 is positioned in the mounting groove 201, the heat sensitive element 6 is positioned in the avoidance groove 202, the sliding thimble 5 is slidingly connected in the guide hole 203, the front end of the sliding thimble 5 extends into the tension groove 301, and the rear end of the sliding thimble 5 abuts against the end part of the heat sensitive element 6.
The heat sensitive element 6 is provided as a fusible metal which can be melted in 1s to 120s when the temperature reaches a temperature above 60 ℃ or as glass beads which can be exploded in 1s to 120s when the temperature reaches a temperature above 60 ℃. In this embodiment, the heat sensitive element 6 is provided as glass beads, also called temperature controlled releasers. A vertical plate 204 for preventing the sliding thimble 5 from shaking is integrally formed on the sliding block 2, the vertical plate 204 is positioned in the avoidance groove 202, and the rear end of the sliding thimble 5 passes through the vertical plate 204 and then abuts against the end part of the heat sensitive element 6.
As shown in fig. 8, the power unit 9 includes a sleeve 901 and a mounting plate 902 welded together, and the mounting plate 902 has an L shape and is mounted at the upper corner position of the window frame by means of screws.
As shown in fig. 9 to 14, a torsion adjusting member 903, a torsion spring 904, and a first connecting shaft 905 are provided in the sleeve 901 in this order from bottom to top, one end of the torsion spring 904 is connected to the first connecting shaft 905, and the other end is connected to the torsion adjusting member 903. The up end of first connecting axle 905 extends to the outside of sleeve 901 up end to with power arm 10 installation fixed connection, specifically, the upper end of first connecting axle 905 sets up to the quadrangle, and the one end of power arm 10 is provided with the quadrangle mounting hole, and welded fastening after the upper end of first connecting axle 905 and this quadrangle mounting hole grafting cooperation is provided with first annular spacing recess 905-1 on the first connecting axle 905, has first spacing jackscrew 906 through threaded connection on the sleeve 901, and the one end of first spacing jackscrew 906 extends to in the first annular spacing recess 905-1, in order to prevent that first connecting axle 905 from sliding out from sleeve 901.
The torsion adjusting assembly 903 comprises a first torsion shaft 903-1, a second annular limiting groove 903-1 is formed in the first torsion shaft 903-1, a second limiting jackscrew 903-2 is connected to the sleeve 901 through threads, one end of the second limiting jackscrew 903-2 extends into the second annular limiting groove 903-1-1, the second limiting jackscrew 903-2 limits the first torsion shaft 903-1 to move up and down, the upper end of the first torsion shaft 903-1 is connected with a torsion spring 904, the lower end of the first torsion shaft 903-1 is connected with a first end face gear 903-3, in this embodiment, a hexagonal protrusion on the upper end face of the first end face gear 903-3 extends into a hexagonal groove reserved at the upper end of the first torsion shaft 903-1, and the two parts can be welded together except for this embodiment. The lower part of the first face gear 903-3 is meshed with a second face gear 903-4, a plurality of positioning holes 903-4-1 are formed in the circumferential side wall of the second face gear 903-4, a third limiting jackscrew 903-5 is connected to the sleeve 901 through threads, one end of the third limiting jackscrew 903-5 extends into the corresponding positioning hole 903-4-1, and a torsion adjusting groove 903-4-2 for adjusting rotation of the lower end face of the second face gear 903-4 is formed in the lower end face of the second face gear 903-4.
In order to prevent rainwater and dust from entering the sleeve 901, a cap is arranged below the second face gear 903-4, and the cap is buckled and mounted on the sleeve 901.
As shown in fig. 11, a boss 11 is formed on the connection contact surface of the first connecting shaft 905 and the first torsion shaft 903-1 and the torsion spring 904 in a uniform and integrated manner, an opening 1101 is provided on the boss 11, the end of the torsion spring 904 is sleeved on the boss 11, and the wire of the end of the torsion spring 904 is embedded in the opening 1101. The boss 10 on the first torsion axle 903-1 has the same connection structure as the torsion spring 904, and will not be described again.
As shown in fig. 15, the installation and use process of the present invention is as follows:
before the invention is installed, the slideway 1, the sliding block 2, the expanding piece 3, the supporting arm 4, the sliding thimble 5, the heat sensitive element 6, the screw thread piece 7 and the sliding plate 8 are connected together.
The power arm 10 and the power device 9 are in a state of being installed and connected together, the torsion spring 904 twists in advance to store force, the force storage process is that a polygon spanner is inserted into the torsion adjusting groove 903-4-2, the second face gear 903-4 is driven to rotate by a rotating spanner, as the upper end of the first connecting shaft 905 is fixedly connected with the power arm 10, the second face gear 903-4 drives the first connecting shaft 905 and the first torsion shaft 903-1 to rotate relatively through the first face gear 903-3, the torsion spring 904 twists to store resilience force, after adjustment, the third limit jackscrew 903-5 is screwed, one end of the third limit jackscrew 903-5 extends into the corresponding positioning hole 903-4-1, and the rotation force unloading of the second face gear 903-4 is limited.
When the window frame is installed, the slide way 1 is installed in the window frame groove through the screw, the sliding plate 8 is in sliding clamping connection with the window sash groove, and the installation plate 902 is installed at the upper corner position of the window frame through the screw. The torsion power arm 10 is hinged at its middle part to the slide plate 8 by a pin.
When the window is opened at ordinary times, under the condition of manual window pushing, the expansion piece 3 and the sliding block 2 slide along the slide way 1 together, when the window sash is pushed away to any angle, the manual pushing force is lost, and as the friction force between the expansion piece 3 and the slide way 1 is larger than the torsion force of the torsion spring 904, the window sash is supported and fixed by the support arm 4.
When a fire disaster occurs, the heat sensitive element 6 melts or explodes at high temperature to form fragments and loses the limiting effect on the sliding thimble 5, the expansion piece 3 extrudes the sliding thimble 5 to slide and retract backwards, the expansion piece 3 is not under the expanding effect of the sliding thimble 5, the cross section of the expansion piece is retracted to a normal state, the friction force between the left side wall and the right side wall of the expansion piece 3 and the slideway 1 is reduced, at the moment, the torsion force of the torsion spring 904 is larger than the friction force between the expansion piece 3 and the slideway 1, the first connecting shaft 905 drives the sliding plate 8 to retract to an initial position through the power arm 10, meanwhile, the expansion piece 3 and the sliding block 2 slide to the initial position along the slideway 1 together, and the window sash automatically closes a window in the fire disaster state.
Example two
The embodiment discloses a temperature sense, location, window closing device for fire window, includes: the sliding way 1 arranged in the window frame groove is arranged in the window frame groove through a screw, the sliding way 1 is provided with a sliding block 2 in the sliding way 1 in a sliding clamping manner, the sliding block 2 can freely slide along the sliding way 1, the top surface of the sliding block 2 is provided with a tensioning piece 3 for tensioning the sliding way 1, and it is to be noted that in the embodiment, the opposite surface of the sliding block 2 and the sliding way 1 is a top surface, the leakage surface of the sliding block 2 is a bottom surface, and a tensioning groove 301 is arranged in the tensioning piece 3.
The front portion of the bottom surface of the sliding block 2 is hinged with a supporting arm 4, the rear portion of the bottom surface of the sliding block 2 is provided with a sliding thimble 5, the front end of the sliding thimble 5 extends into a tensioning groove 301, the width of the tensioning groove 301 is smaller than the cross section width of the sliding thimble 5, the rear end of the sliding thimble 5 abuts against a threaded piece 7 through a heat sensitive element 6, and the threaded piece 7 is connected to the sliding block 2 through threads. In this embodiment, the screw 7 is a jackscrew.
The embodiment also comprises a sliding plate 8 which is in sliding clamping connection with the window sash groove, the front part of the sliding plate 8 is hinged with the front end of the supporting arm 4, the rear part of the sliding plate 8 is connected with a power device 9 which is fixedly arranged on the window frame through a power arm 10, the middle part of the power arm 10 is hinged with the sliding plate 8, and one end of the power arm 10 is fixedly connected with a power shaft of the power device 9. It should be noted that, in the case that the fire-free heat-sensitive element 6 is not exploded, the friction force between the expansion member 3 and the slideway 1 is larger than the torsion force of the power device 9, and the window sash is fixed after being pushed away by a certain angle. It should be noted that, the hinge position of the power arm 10 is higher than the support arm 4, and the power arm 10 will not interfere with the support arm 4 during rotation.
In this embodiment, the structure of the slide 1, the slide block 2, the expanding member 3, the support arm 4, the sliding thimble 5, the heat sensitive element 6, the screw member 7, and the slide plate 8 is identical to that of the first embodiment of the power arm 10, and will not be described again here.
As shown in fig. 16 to 18, the power unit 9 includes a sleeve 901 and a mounting plate 902 welded together. The difference is that: the sleeve 901 is provided with a second face gear 903-4, a first face gear 903-3, a second torsion shaft 903-1', a torsion spring 904 and a second connecting shaft 905' in sequence from bottom to top, the shoulder end face of the second connecting shaft 905 'abuts against the bottom face of the inner cavity of the sleeve 901, and the upper end of the second connecting shaft 905' penetrates through a reserved hole in the bottom face of the inner cavity of the sleeve 901 and then is fixedly connected with the power arm 10.
The circumference side wall of the second face gear 903-4 is provided with a plurality of positioning holes 903-4-1, the sleeve 901 is connected with a third limiting jackscrew 903-5 through threads, one end of the third limiting jackscrew 903-5 extends into the corresponding positioning hole 903-4-1, and the lower end face of the second face gear 903-4 is provided with a torsion adjusting groove 903-4-2 for adjusting the rotation of the second face gear 903-4.
The connection contact surfaces of the second connecting shaft 905 'and the second torsion shaft 903-1' and the torsion spring 904 are respectively provided with a boss 11, an opening 1101 is arranged on each boss 11, the end part of the torsion spring 904 is sleeved on each boss 11, and a spring wire at the end part of the torsion spring 904 is embedded into the opening 1101.
Compared with the first embodiment, in this embodiment, the second connecting shaft 905 'and the second torsion shaft 903-1' are separately designed and improved, the second connecting shaft 905 'omits the technical features of the first annular limiting groove 905-1, the second torsion shaft 903-1' omits the technical features of the second annular limiting groove 903-1-1, and the overall structure is more simplified.
It should be noted that, the shaft diameter of the second connecting shaft 905' is increased, so that the end face of the shaft shoulder abuts against the bottom surface of the inner cavity of the sleeve 901, so as to prevent the second connecting shaft 905' from sliding out of the preformed hole on the bottom surface of the sleeve 901, and the upper end of the second connecting shaft 905' and the power arm 10 are fixedly connected in the same manner as in the first embodiment. The connection between the second torsion shaft 903-1' and the first face gear 903-3 is the same as in the first embodiment, and will not be described here again. In this embodiment, the third limiting jack 903-5 has a dual function, one of which is to limit the torsional unloading force of the second face gear 903-4, and the other of which is to limit the sliding out of the lower port of the sleeve 901 from the parts in the sleeve 901.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. A temperature sensing, positioning and window closing device for a fire window, comprising:
the sliding rail (1) is arranged in the window frame groove, a sliding block (2) is connected in the sliding rail (1) in a sliding manner, an expanding piece (3) for expanding the sliding rail (1) is arranged on the top surface of the sliding block (2), and an expanding groove (301) is formed in the expanding piece (3); the front part of the bottom surface of the sliding block (2) is hinged with a supporting arm (4), the rear part of the bottom surface of the sliding block (2) is provided with a sliding thimble (5), the front end of the sliding thimble (5) extends into the tensioning groove (301), the width of the tensioning groove (301) is smaller than the cross section width of the sliding thimble (5), the rear end of the sliding thimble (5) is propped against a threaded piece (7) through a heat-sensitive element (6), and the threaded piece (7) is connected onto the sliding block (2) through threads;
the sliding plate (8) is connected in the window sash groove in a sliding mode, the front portion of the sliding plate (8) is hinged to the front end of the supporting arm (4), the rear portion of the sliding plate (8) is connected with a power device (9) fixedly arranged on a window frame through a power arm (10), the middle portion of the power arm (10) is hinged to the sliding plate (8), and one end of the power arm (10) is fixedly connected with a power shaft of the power device (9).
2. The temperature-sensitive, positioning and window closing device for fire window according to claim 1, wherein: the top surface and the bottom surface of slider (2) are provided with mounting groove (201) respectively and dodge groove (202), mounting groove (201) and the lateral wall of dodging groove (202) are through guiding hole (203) intercommunication, expanding piece (3) are located in mounting groove (201), heat sensitive element (6) are located dodge in groove (202), slip thimble (5) gliding connection is in guiding hole (203), the front end of slip thimble (5) extends to in expanding groove (301), and the rear end of slip thimble (5) supports on the tip of heat sensitive element (6).
3. The temperature sensing, positioning and window closing apparatus for fire window of claim 2, wherein: the heat sensitive element (6) is arranged as a fusible metal or glass beads, the fusible metal can be melted in 1 s-120 s when the temperature reaches above 60 ℃, and the glass beads can be exploded in 1 s-120 s when the temperature reaches above 60 ℃.
4. The temperature sensing, positioning and window closing apparatus for fire window of claim 2, wherein: the sliding block (2) is integrally formed with a vertical plate (204) for preventing the sliding thimble (5) from shaking, the vertical plate (204) is positioned in the avoidance groove (202), and the rear end of the sliding thimble (5) penetrates through the vertical plate (204) and then abuts against the end part of the heat-sensitive element (6).
5. The temperature sensing, positioning and window closing apparatus for fire window of claim 2, wherein: the expansion piece (3) is made of polyoxymethylene POM material.
6. The temperature-sensitive, positioning and window closing device for fire window according to claim 1, wherein: the power device (9) comprises a sleeve (901) and a mounting plate (902) which are fixed together;
torque force adjusting components (903), torsion springs (904) and first connecting shafts (905) are sequentially arranged in the sleeve (901) from bottom to top, one end of each torsion spring (904) is connected with each first connecting shaft (905), the other end of each torsion spring is connected with each torque force adjusting component (903), the upper end face of each first connecting shaft (905) extends to the outer side of the upper end face of the sleeve (901) and is fixedly connected with the power arm (10), first annular limiting grooves (905-1) are formed in the first connecting shafts (905), first limiting jackscrews (906) are connected to the sleeve (901) through threads, and one ends of the first limiting jackscrews (906) extend to the first annular limiting grooves (905-1).
7. The temperature-sensitive, positioning and window closing device for fire window of claim 6, wherein: the torsion adjusting assembly (903) comprises a first torsion shaft (903-1), a second annular limiting groove (903-1-1) is formed in the first torsion shaft (903-1), a second limiting jackscrew (903-2) is connected to the sleeve (901) through threads, one end of the second limiting jackscrew (903-2) extends into the second annular limiting groove (903-1-1), the upper end of the first torsion shaft (903-1) is connected with the torsion spring (904), a first face gear (903-3) is connected to the lower end of the first torsion shaft (903-1), a second face gear (903-4) is meshed below the first face gear (903-3), a plurality of positioning holes (903-4-1) are formed in the circumferential side wall of the second face gear (903-4), a third limiting jackscrew (903-5) is connected to one end of the sleeve (903-5) through threads, and the third limiting jackscrew (903-5) extends into the corresponding positioning hole (903-4);
the lower end face of the second face gear (903-4) is provided with a torsion adjusting groove (903-4-2) for adjusting the rotation of the second face gear.
8. The temperature-sensitive, positioning, window closing apparatus for fire window of claim 7, wherein: the connecting contact surfaces of the first connecting shaft (905) and the first torsion shaft (903-1) and the torsion spring (904) are respectively provided with a boss (11), each boss (11) is provided with an opening (1101), the end part of the torsion spring (904) is sleeved on each boss (11), and a spring wire at the end part of the torsion spring (904) is embedded into each opening (1101).
9. The temperature-sensitive, positioning and window closing device for fire window according to claim 1, wherein: the power device (9) comprises a sleeve (901) and a mounting plate (902) which are fixed together;
the sleeve (901) is sequentially provided with a second face gear (903-4), a first face gear (903-3), a second torsion shaft (903-1 '), a torsion spring (904) and a second connecting shaft (905') from bottom to top, the shoulder end face of the second connecting shaft (905 ') is propped against the bottom face of the inner cavity of the sleeve (901), and the upper end of the second connecting shaft (905') penetrates through a reserved hole in the bottom face of the inner cavity of the sleeve (901) and is fixedly connected with the power arm (10);
a plurality of positioning holes (903-4-1) are formed in the circumferential side wall of the second face gear (903-4), a third limiting jackscrew (903-5) is connected to the sleeve (901) through threads, and one end of the third limiting jackscrew (903-5) extends into the corresponding positioning hole (903-4-1);
the lower end face of the second face gear (903-4) is provided with a torsion adjusting groove (903-4-2) for adjusting the rotation of the second face gear.
10. The temperature-sensitive, positioning, window closing apparatus for fire window of claim 9, wherein: the connecting contact surfaces of the second connecting shaft (905 ') and the second torsion shaft (903-1') and the torsion spring (904) are respectively provided with a boss (11), each boss (11) is provided with an opening (1101), the end part of the torsion spring (904) is sleeved on each boss (11), and a spring wire at the end part of the torsion spring (904) is embedded into each opening (1101).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929277.5A CN110512969B (en) | 2019-09-29 | 2019-09-29 | Temperature sensing, positioning and window closing device for fireproof window |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910929277.5A CN110512969B (en) | 2019-09-29 | 2019-09-29 | Temperature sensing, positioning and window closing device for fireproof window |
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| CN110512969B true CN110512969B (en) | 2024-04-12 |
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| DE19614713A1 (en) * | 1996-04-13 | 1997-10-16 | Scharwaechter Gmbh Co Kg | Vehicular door restraint with pivoted holding bar and stop notches |
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|---|---|
| CN110512969A (en) | 2019-11-29 |
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