CN213391680U - Fireproof door and window closing device - Google Patents
Fireproof door and window closing device Download PDFInfo
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- CN213391680U CN213391680U CN202022034987.2U CN202022034987U CN213391680U CN 213391680 U CN213391680 U CN 213391680U CN 202022034987 U CN202022034987 U CN 202022034987U CN 213391680 U CN213391680 U CN 213391680U
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Abstract
The utility model relates to a fireproof door and window closing device, which comprises a slide block, a telescopic connecting rod, a force application device and a temperature sensing glass ball, wherein a fixed seat is arranged on the slide block, two ends of the slide block are respectively connected with the telescopic connecting rod and the force application device, a movable seat and a limit screw are arranged on the slide block, the upper end and the lower end of the surface of the movable seat are respectively provided with a positioning pin and a positioning hole, and a suspension arm is arranged on one side of the movable seat; the sliding block is provided with openings penetrating through the upper side and the lower side of the sliding block corresponding to the positioning pins, the positioning pins penetrate through the openings and are matched with virtual positions of the openings, and the limiting screws are connected with the sliding block and block the suspension arms; the temperature sensing glass ball is tightly supported between the fixed seat and the positioning hole of the movable seat. The device can be separated from the positioning groove, and the door and the window can be automatically closed under the action of the force application device.
Description
Technical Field
The utility model relates to a fire prevention door and window field, especially a fire prevention door and window closing device.
Background
Chinese patent No. CN209277736U discloses a fire-proof door and window closing device in 2019, 8 month and 20 days, which is characterized in that: the sliding block can be matched with a door sash or a door and window frame and can reciprocate along the door sash or the door and window frame to be far away from or close to the pivot axis of the door sash; one end of the telescopic connecting rod is hinged with the sliding block, the other end of the telescopic connecting rod can be hinged with a door and window frame or a door and window sash, and the telescopic connecting rod has telescopic resistance limited by the opened door and window sash; the locking mechanism can lock the sliding block on a door window sash or a door window frame matched with the sliding block; a slider release mechanism capable of unlocking the locking mechanism to release the slider upon detection of a fire; and the force application part provides driving force for closing the door and window sash around the pivot axis. Locking mechanism includes the location cardboard in this structure, the location cardboard passes through the location axle to be installed on the slider, and the location axle will fix a position the cardboard and be connected the back with the slider, in order to prevent that the location axle from falling out, need rivet the turn-ups to the both ends of location axle, and this technology is difficult for the accuse, and if the turn-ups size at location axle both ends is great, leads to the location cardboard to be fixed forever easily, so, when the location cardboard is fixed, even meet the conflagration, door and window also can not self-closing, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire prevention door and window closing device rational in infrastructure stable, simple to operate.
The purpose of the utility model is realized like this:
a fireproof door and window closing device comprises a sliding block, a telescopic connecting rod, a force application device and a temperature sensing glass ball, wherein a fixed seat is arranged on the sliding block, two ends of the sliding block are respectively connected with the telescopic connecting rod and the force application device, a movable seat and a limiting screw are arranged on the sliding block, the upper end and the lower end of the surface of the movable seat are respectively provided with a positioning pin and a positioning hole, and a suspension arm is arranged on one side of the movable seat; the sliding block is provided with openings penetrating through the upper side and the lower side of the sliding block corresponding to the positioning pins, the positioning pins penetrate through the openings and are matched with virtual positions of the openings, and the limiting screws are connected with the sliding block and block the suspension arms; the temperature sensing glass ball is tightly supported between the fixed seat and the positioning hole of the movable seat.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, the suspension arm is a crank arm, the slider is provided with a jack corresponding to the suspension arm, the suspension arm is inserted into the jack, the limit screw is connected to the bottom surface of the slider, and a screw cap of the limit screw covers the jack and is spaced from the suspension arm by a certain distance.
As a further scheme, the top surface of the suspension arm is an arc surface, and the arc surface protrudes out of the top of the jack.
As a further scheme, the suspension arms are provided with a left suspension arm and a right suspension arm, one limit screw is arranged, and the screw cap of the limit screw simultaneously blocks the two suspension arms.
As a further scheme, a screw hole is transversely formed in the surface of the fixed seat, an adjusting screw is arranged in the screw hole, and the temperature sensing glass ball is tightly supported between the adjusting screw of the fixed seat and the positioning hole of the movable seat.
As a further scheme, the top of the sliding block is provided with a guide groove which points forwards and backwards.
As a further scheme, the force application device is a tension spring, one end of the tension spring is connected with a door and window sash or a door and window frame, and the other end of the tension spring is connected with a sliding block.
The door and window sash or the door and window frame is provided with a sliding groove corresponding to the sliding block, a positioning steel sheet is arranged in the sliding groove, a positioning groove is formed in the positioning steel sheet corresponding to the positioning pin, and the positioning pin is fastened with the positioning groove.
As a further scheme, the telescopic connecting rod comprises a first connecting rod, a second connecting rod, a rivet and a friction plate, one end of the first connecting rod is hinged with the sliding block, the other end of the first connecting rod is connected with the friction plate through a connecting screw, and a first long guide hole is formed between the two ends of the first connecting rod; one end of the second connecting rod is connected with the first connecting rod through the rivet, the rivet penetrates through the first long guide hole and is in sliding fit with the first long guide hole, the other end of the second connecting rod is provided with a hinged seat, a second long guide hole is arranged between the two ends of the second connecting rod, the friction plate is in friction contact with the top surface of the second connecting rod, and the connecting screw penetrates through the second long guide hole.
The utility model has the advantages as follows:
the movable seat of the fireproof door and window closing device is matched with the sliding block in a virtual position, meanwhile, the limiting screw is used for preventing the movable seat from falling out, the movable seat is supported tightly by installing the temperature sensing glass ball, so that the movable seat is in a fixed state, and the positioning pins of the movable seat can be matched with the positioning grooves of door and window sashes or door and window frames; when the door or window is in an open state, if the temperature sensing glass ball bursts, the movable seat loses the supporting action force and recovers to a movable state, so that the movable seat can be separated from the positioning groove, and the door or window is automatically closed under the action of the force application device.
Drawings
Fig. 1 is a schematic view of the slider structure of the present invention.
Fig. 2 is a schematic view of another angle structure of the sliding block of the present invention.
Fig. 3 is the schematic view of the exploded structure of the sliding block of the present invention.
Fig. 4 is another angle-resolved structure diagram of the sliding block of the present invention.
Fig. 5 is a schematic structural diagram of the present invention.
Fig. 6 is a schematic view of another angle structure of the present invention.
Fig. 7 is a schematic front view of the structure of fig. 6.
Fig. 8 is a schematic top view of the structure of fig. 6.
FIG. 9 is a schematic sectional view A-A of FIG. 8.
FIG. 10 is a schematic sectional view of the temperature sensitive glass ball shown in FIG. 9 (when the temperature sensitive glass ball is broken by heat).
In the figure:
the device comprises a sliding block 1, a guide groove 11, an opening 12, a fixed seat 13, an insertion hole 14, a screw hole 15, an adjusting screw 16, a telescopic connecting rod 2, a first connecting rod 21, a first long guide hole 211, a second connecting rod 22, a second long guide hole 221, a hinge seat 222, a rivet 23, a friction plate 24, a force application device 3, a tension spring 31, a movable seat 4, a positioning hole 41, a suspension arm 42, a positioning pin 43, a limit screw 5, a temperature sensing glass ball 6, a positioning steel sheet 7 and a positioning groove 71.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Combine fig. 1 to fig. 9 to show, a fire prevention door and window closing device, including slider 1, telescopic connecting rod 2, force applying device 3 and temperature sensing glass ball 6, be equipped with fixing base 13 on the slider 1, the both ends of slider 1 are connected its characterized in that with telescopic connecting rod 2 and force applying device 3 respectively: the sliding block 1 is provided with a movable seat 4 and a limiting screw 5, the upper end and the lower end of the surface of the movable seat 4 are respectively provided with a positioning pin 43 and a positioning hole 41, and one side of the movable seat 4 is provided with a suspension arm 42; the sliding block 1 is provided with openings 12 penetrating through the upper side and the lower side of the sliding block 1 corresponding to the positioning pins 43, the positioning pins 43 penetrate through the openings 12 and are in virtual position fit with the openings 12, and the limiting screws 5 are connected with the sliding block 1 and block the suspension arms 42; the temperature sensing glass ball 6 is tightly supported between the fixed seat 13 and the positioning hole 41 of the movable seat 4.
The suspension arm 42 is a crank arm, the slider 1 is provided with an insertion hole 14 corresponding to the suspension arm 42, the suspension arm 42 is inserted into the insertion hole 14, the limit screw 5 is connected to the bottom surface of the slider 1, and the nut of the limit screw 5 covers the insertion hole 14 and is spaced from the suspension arm 42 by a certain distance.
The top surface of the suspension arm 42 is a circular arc surface, and the circular arc surface protrudes out of the top of the jack 14.
The suspension arms 42 are provided with a left suspension arm and a right suspension arm, one limit screw 5 is arranged, and the screw cap of the limit screw 5 simultaneously blocks the two suspension arms 42.
The surface of the fixed seat 13 is transversely provided with a screw hole 15, an adjusting screw 16 is arranged in the screw hole 15, and the temperature sensing glass ball 6 is tightly supported between the adjusting screw 16 of the fixed seat 13 and the positioning hole 41 of the movable seat 4.
The top of the sliding block 1 is provided with a guide groove 11 pointing forwards and backwards.
The force application device 3 is a tension spring 31, one end of the tension spring 31 is connected with a door and window sash or a door and window frame through a mounting seat 32, and the other end of the tension spring 31 is connected with the sliding block 1.
The telescopic connecting rod 2 comprises a first connecting rod 21, a second connecting rod 22, a rivet 23 and a friction plate 24, one end of the first connecting rod 21 is hinged with the sliding block 1, the other end of the first connecting rod 21 is connected with the friction plate 24 through a connecting screw, and a first long guide hole 211 is formed between the two ends of the first connecting rod 21; one end of the second connecting rod 22 is connected with the first connecting rod 21 through the rivet 23, the rivet 23 passes through the first long guide hole 211 and is in sliding fit with the first long guide hole 211, the other end of the second connecting rod 22 is provided with a hinged seat 222, a second long guide hole 221 is arranged between the two ends of the second connecting rod 22, the friction plate 24 is in friction contact with the top surface of the second connecting rod 22, and the connecting screw passes through the second long guide hole 221.
The working principle is as follows: one end of a tension spring 31 is connected with a door and window sash through a mounting seat 32, the side edge of the door and window sash is provided with a sliding groove corresponding to the sliding block 1, a positioning steel sheet 7 is fixedly arranged in the sliding groove, and a positioning groove 71 is arranged on the positioning steel sheet 7; slider 1 participates in 43 and constant head tank 71 cooperation through the location of sliding seat 4 to, make tension spring 31 be in tensile state during the installation, the one end of telescopic link 2 is connected with the door and window frame through articulated seat 222, and telescopic link 2 is similar to the effect that the window propped, plays certain supporting role when door and window switch, so, door and window can be free switch under the human-made action. When the door and window is in an open state, if the temperature sensing glass ball 6 bursts (mainly considering the fire hazard), the movable seat 4 loses the tensioning acting force and recovers to a movable state, the movable seat 4 deflects/swings to be separated from the positioning groove 71 (shown in a combined figure 10) under the action of the tension force of the tension spring 31, and under the action of the tension spring 31, the sliding block 1 slides towards the tension spring 31 to draw the telescopic connecting rod 2 to contract and deflect until the door and window is closed.
Claims (9)
1. The utility model provides a fire prevention door and window closing device, includes slider (1), telescopic connecting rod (2), force application device (3) and temperature sensing glass ball (6), is equipped with fixing base (13) on slider (1), and the both ends of slider (1) are connected its characterized in that with telescopic connecting rod (2) and force application device (3) respectively: the sliding block (1) is provided with a movable seat (4) and a limiting screw (5), the upper end and the lower end of the surface of the movable seat (4) are respectively provided with a positioning pin (43) and a positioning hole (41), and one side of the movable seat (4) is provided with a suspension arm (42); the sliding block (1) is provided with openings (12) penetrating through the upper side and the lower side of the sliding block (1) corresponding to the positioning pins (43), the positioning pins (43) penetrate through the openings (12) and are in virtual position fit with the openings (12), and the limiting screws (5) are connected with the sliding block (1) and block the suspension arms (42); the temperature sensing glass ball (6) is tightly supported between the fixed seat (13) and the positioning hole (41) of the movable seat (4).
2. Fire door and window closing device according to claim 1, characterized in that: the suspension arm (42) is a crank arm, the sliding block (1) is provided with an insertion hole (14) corresponding to the suspension arm (42), the suspension arm (42) is inserted into the insertion hole (14), the limit screw (5) is connected to the bottom surface of the sliding block (1), and the screw cap of the limit screw (5) covers the insertion hole (14) and is separated from the suspension arm (42) by a certain distance.
3. Fire door and window closing device according to claim 1, characterized in that: the top surface of the suspension arm (42) is an arc surface which protrudes out of the top of the jack (14).
4. Fire door and window closing device according to claim 2, characterized in that: the suspension arms (42) are provided with a left suspension arm and a right suspension arm, one limit screw (5) is arranged, and the screw cap of the limit screw (5) simultaneously blocks the two suspension arms (42).
5. Fire door and window closing device according to claim 1, characterized in that: the temperature sensing glass ball is characterized in that a screw hole (15) is transversely formed in the surface of the fixed seat (13), an adjusting screw (16) is arranged in the screw hole (15), and the temperature sensing glass ball (6) is tightly supported between the adjusting screw (16) of the fixed seat (13) and a positioning hole (41) of the movable seat (4).
6. Fire door and window closing device according to claim 1, characterized in that: the top of the sliding block (1) is provided with a guide groove (11) which points forwards and backwards.
7. Fire door and window closing device according to claim 1, characterized in that: the force application device (3) is a tension spring (31), one end of the tension spring (31) is connected with a door and window sash or a door and window frame, and the other end of the tension spring (31) is connected with the sliding block (1).
8. Fire door and window closing device according to claim 7, characterized in that: the door and window sash or the door and window frame is provided with a sliding groove corresponding to the sliding block (1), a positioning steel sheet (7) is arranged in the sliding groove, a positioning groove (71) is arranged on the positioning steel sheet (7) corresponding to the positioning pin (43), and the positioning pin (43) is fastened with the positioning groove (71).
9. Fire door and window closing device according to claim 1, characterized in that: the telescopic connecting rod (2) comprises a first connecting rod (21), a second connecting rod (22), a rivet (23) and a friction plate (24), one end of the first connecting rod (21) is hinged with the sliding block (1), the other end of the first connecting rod (21) is connected with the friction plate (24) through a connecting screw, and a first long guide hole (211) is formed between two ends of the first connecting rod (21); one end of the second connecting rod (22) is connected with the first connecting rod (21) through the rivet (23), the rivet (23) penetrates through the first long guide hole (211) and is in sliding fit with the first long guide hole (211), the other end of the second connecting rod (22) is provided with a hinged seat (222), a second long guide hole (221) is formed between the two ends of the second connecting rod (22), the friction plate (24) is in friction contact with the top surface of the second connecting rod (22), and the connecting screw penetrates through the second long guide hole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034987.2U CN213391680U (en) | 2020-09-16 | 2020-09-16 | Fireproof door and window closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034987.2U CN213391680U (en) | 2020-09-16 | 2020-09-16 | Fireproof door and window closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213391680U true CN213391680U (en) | 2021-06-08 |
Family
ID=76179123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022034987.2U Active CN213391680U (en) | 2020-09-16 | 2020-09-16 | Fireproof door and window closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213391680U (en) |
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2020
- 2020-09-16 CN CN202022034987.2U patent/CN213391680U/en active Active
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