CN219808842U - Door and window bolt - Google Patents
Door and window bolt Download PDFInfo
- Publication number
- CN219808842U CN219808842U CN202320535268.XU CN202320535268U CN219808842U CN 219808842 U CN219808842 U CN 219808842U CN 202320535268 U CN202320535268 U CN 202320535268U CN 219808842 U CN219808842 U CN 219808842U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- door
- window
- pin
- pin rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Special Wing (AREA)
Abstract
The utility model relates to the technical field of door and window fireproof, in particular to a door and window bolt, which comprises a bolt, a shell flange, a sleeve, a bolt sleeve, a hot melt adhesive sheet, a push rod barrel, a spring and a thermal expansion filling lining; the device is arranged in the movable wings and frames of the fireproof door and window, the pin rod is not ejected out when no fire occurs, the normal opening and closing functions of the fireproof door and window are not affected, when the fire occurs, the pin rod is ejected out, the movable wings and the outer frame of the fireproof door and window or the main wings and the auxiliary wings of the movable wings are firmly fixed together, the deformation condition of the door wings and the window wings caused by the fire is reduced, the fire-resistant integrity of the fireproof door and window is improved, the fireproof capacity of the door and window is further improved, and the device is beneficial to popularization and use.
Description
Technical Field
The utility model relates to the technical field of door and window fireproof, in particular to a door and window bolt.
Background
In the existing fireproof doors and windows, the movable fans are weak points for fire disaster, when the fire disaster happens, the fire disaster can be limited in a certain area only by keeping the fireproof integrity of the fireproof doors and windows, the fire disaster spread is reduced, and whether the fireproof integrity of the fireproof doors and windows can be ensured is directly related to the life and property safety of people;
the current fireproof door and window, especially the main fan of the side by side, fireproof door and fireproof window, except that the latch bolt that the intermediate part had the fireproof lock is fixed, other positions do not have the structure that the restriction warp, when the conflagration breaks out, because the conflagration of indoor face leads to indoor face door leaf, casement steel sheet to warp more than outdoor face, thereby can produce door, window movable fan and produce to outdoor face, namely do not catch fire the one side and take place crookedly, produce the gap between door leaf and the door frame, thereby lead to the flame of catching fire the one side can spread to not catch fire the one side through the slit burning, influence the fire-resistant integrality of fire door, window, give people life and property safety and bring harm.
Disclosure of Invention
The utility model aims to provide a door and window bolt, which achieves the aim of improving the fire-resistant integrity of fireproof doors and windows by arranging a bolt sleeve, a spring and a bolt.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a door and window bolt, includes the sleeve, telescopic bottom is airtight structure, sliding sleeve has cup jointed the push rod section of thick bamboo in the sleeve, the top of push rod section of thick bamboo is airtight structure, the vertical fixed connection spring's in bottom surface of push rod section of thick bamboo roof one end, the end and the telescopic bottom plate of spring offset, the intussuseption of push rod section of thick bamboo is filled with the thermal expansion of meeting thermal expansion and is filled the inside lining, sliding fit has the pin pole in the sleeve.
Preferably, the novel anti-theft lock further comprises a pin rod sleeve matched with the pin rod, wherein one end of the pin rod sleeve and one end of the sleeve close to the pin rod are fixedly connected with a shell flange, and the shell flange is fixed in a welding or threaded installation mode.
Preferably, a plurality of hot melt adhesive sheets for fixing the pin rod are attached and installed on the shell flange of the sleeve, the hot melt adhesive sheets are hot melt adhesive tapes, the bottom surfaces of the hot melt adhesive sheets are adhered to the top end surfaces of the pin rod, and hot melt adhesives are filled between the outer wall of the top end of the pin rod and the inner wall of the top end of the sleeve.
Preferably, the sleeve is any one of an aluminum alloy sleeve and a stainless steel sleeve, and the pin rod sleeve is any one of an aluminum alloy sleeve and a stainless steel sleeve.
Preferably, when the spring is in a natural length, the top end of the pin rod is higher than the top end surface of the sleeve, and the height difference between the top end surface of the pin rod and the top surface of the sleeve is half of the length of the pin rod.
Compared with the prior art, the utility model has the beneficial effects that:
the device is arranged in the movable wings and frames of the fireproof door and window, the pin rod is not ejected out when no fire occurs, the normal opening and closing functions of the fireproof door and window are not affected, when the fire occurs, the pin rod is ejected out, the movable wings and the outer frame of the fireproof door and window or the main wings and the auxiliary wings of the movable wings are firmly fixed together, the deformation condition of the door wings and the window wings caused by the fire is reduced, the fire-resistant integrity of the fireproof door and window is improved, the fireproof capacity of the door and window is further improved, and the device is beneficial to popularization and use.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a sleeve according to the present utility model in front view and in cross section;
FIG. 3 is a schematic cross-sectional view of the sleeve of the present utility model after being heated;
fig. 4 is a schematic view showing a bottom perspective structure of the present utility model.
In the figure: 1. a pin rod; 2. a housing flange; 3. a sleeve; 4. a pin rod sleeve; 5. a hot melt adhesive sheet; 6. a push rod barrel; 7. a spring; 8. the thermal expansion fills the liner.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the door and window bolt pin comprises a sleeve 3, wherein the bottom end of the sleeve 3 is of a closed structure, a push rod barrel 6 is sleeved in the sleeve 3 in a sliding manner, the top end of the push rod barrel 6 is of a closed structure, the bottom surface of a top plate of the push rod barrel 6 is vertically and fixedly connected with one end of a spring 7, the end of the spring 7 is propped against a bottom plate of the sleeve 3, a thermal expansion filling lining 8 which is expanded when encountering heat is filled in the push rod barrel 6, the thermal expansion filling lining is made of a thermal expansion material, a pin rod 1 is arranged in the sleeve 3 in a sliding manner, and the push rod barrel 6 and the pin rod 1 are made of metal materials; one end of the pin rod sleeve 4 and one end of the sleeve 3, which is close to the pin rod 1, are fixedly connected with the shell flange 2, the shell flange 2 is fixed in a welding or threaded installation mode, when a fire disaster occurs, the hot-melt adhesive sheet 5 is melted under the action of heat generated by the fire disaster, so that the adhesive force is lost, the pin rod 1 cannot be continuously fixed, the spring 7 pushes the push rod barrel 6, and then pushes the pin rod 1 to pop out, the pin rod 1 is inserted into the corresponding pin rod sleeve 4 on the door frame after being popped out, and at the moment, the sleeve 3 fixed on the movable fan and the pin rod sleeve 4 fixed on the frame or the auxiliary fan are connected into a whole through the pin rod 1, so that a supporting structure is formed for the movable fan, and the deformation of the movable fan caused by the fire disaster and the occurrence of a gap condition between the frame or the auxiliary fan are greatly reduced; when a fire disaster occurs, the thermal expansion filling lining 8 is heated and expanded to fill the cavities of the push rod barrel 6 and the sleeve 3, and when the spring 7 is elastically reduced or lost due to the excessively high temperature when the fire disaster occurs at a certain stage, the expansion body expanded by the thermal expansion filling lining 8 can support the push rod barrel 6, so that the pin rod 1 is prevented from falling back.
Further, the sleeve 3 is any one of an aluminum alloy sleeve or a stainless steel sleeve, and the pin rod sleeve 4 is any one of an aluminum alloy sleeve or a stainless steel sleeve, so that the structural strength of the device is ensured conveniently.
Further, a plurality of hot-melt adhesive sheets 5 for fixing the pin rod 1 are attached to the shell flange 2 of the sleeve 3, the hot-melt adhesive sheets 5 are hot-melt adhesive tapes, when the bottom surface of the hot-melt adhesive sheets 5 is stuck to the top end surface of the pin rod 1, and the spring 7 is in a natural length, the top end of the pin rod 1 is higher than the top end surface of the sleeve 3, the height difference between the top end surface of the pin rod 1 and the top surface of the sleeve 3 is half of the length of the pin rod 1, after the hot-melt adhesive sheets 5 fail due to heat, the spring 7 ejects the pin rod 1, and the hot-melt adhesive sheets 5 at the top end of the sleeve 3 limit the pin rod 1 to be ejected when no fire occurs.
The working process of the utility model is as follows:
as shown in fig. 1 to 4, when the device is used, holes are drilled on a movable fan of a door and a door frame of the movable fan, so that a sleeve 3 is fixedly arranged in the hole of the movable fan, a pin rod sleeve 4 is fixedly arranged in the hole of the door frame, a push rod barrel 6 is also slidably arranged in the sleeve 3 due to the sliding installation of a pin rod 1 of the device in the sleeve 3, a spring 7 and a thermal expansion filling lining 8 are arranged in the push rod barrel 6, a hot melt adhesive sheet 5 at the top end of the sleeve 3 limits the pin rod 1 to pop up when no fire disaster occurs,
when a fire disaster occurs, the hot-melt adhesive sheet 5 is melted under the action of heat generated by the fire disaster, so that the adhesive force is lost, the pin rod 1 cannot be continuously fixed, at the moment, the spring 7 pushes the push rod barrel 6, the pin rod 1 is pushed to pop out, the pin rod 1 is inserted into the corresponding pin rod sleeve 4 on the door frame after being popped out, at the moment, the sleeve 3 fixed on the movable fan and the pin rod sleeve 4 fixed on the frame or the auxiliary fan are connected into a whole through the pin rod 1, a supporting structure is formed for the movable fan, and the occurrence of the situation that the movable fan deforms and gaps are generated between the frame or the auxiliary fan due to the fire disaster is greatly reduced; when a fire disaster occurs, the thermal expansion filling lining 8 is heated and expanded to fill the cavities of the push rod barrel 6 and the sleeve 3, and when the spring 7 is elastically reduced or lost due to the excessively high temperature when the fire disaster occurs at a certain stage, the expansion body expanded by the thermal expansion filling lining 8 can support the push rod barrel 6, so that the pin rod 1 is prevented from falling back.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited by the embodiments described above, but is defined by the appended claims and equivalents thereof.
Claims (5)
1. Door and window latch, including sleeve (3), its characterized in that: the bottom of sleeve (3) is airtight structure, sliding sleeve has cup jointed push rod section of thick bamboo (6) in sleeve (3), the top of push rod section of thick bamboo (6) is airtight structure, the one end of the vertical fixed connection spring (7) in bottom surface of push rod section of thick bamboo (6) roof, the end and the bottom plate of sleeve (3) of spring (7) offset, the intussuseption of push rod section of thick bamboo (6) is filled with thermal expansion filling lining (8) that meets thermal expansion, sliding fit has pin (1) in sleeve (3).
2. The door and window latch of claim 1, wherein: still include with the pin pole cover (4) of pin pole (1) adaptation, the one end of pin pole cover (4) and the one end that sleeve (3) are close to pin pole (1) all fixedly connected with shell flange (2).
3. The door and window latch of claim 2 wherein: a plurality of hot-melt adhesive sheets (5) for fixing the pin rods (1) are attached to the shell flange (2) of the sleeve (3), and the bottom surfaces of the hot-melt adhesive sheets (5) are adhered to the top end surfaces of the pin rods (1).
4. The door and window latch of claim 2 wherein: the sleeve (3) is any one of an aluminum alloy sleeve and a stainless steel sleeve, and the pin rod sleeve (4) is any one of an aluminum alloy sleeve and a stainless steel sleeve.
5. The door and window latch of claim 1 wherein: when the spring (7) is in a natural length, the top end of the pin rod (1) is higher than the top end surface of the sleeve (3), and the height difference between the top end surface of the pin rod (1) and the top surface of the sleeve (3) is half of the length of the pin rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535268.XU CN219808842U (en) | 2023-03-17 | 2023-03-17 | Door and window bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535268.XU CN219808842U (en) | 2023-03-17 | 2023-03-17 | Door and window bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219808842U true CN219808842U (en) | 2023-10-10 |
Family
ID=88212169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320535268.XU Active CN219808842U (en) | 2023-03-17 | 2023-03-17 | Door and window bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219808842U (en) |
-
2023
- 2023-03-17 CN CN202320535268.XU patent/CN219808842U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106351545B (en) | A kind of broken-bridge aluminum alloy thermal insulation fire-resistant window and assemble method | |
| CN211173811U (en) | A fire-resistant window structure that can improve fire performance | |
| CN209942647U (en) | Broken bridge aluminum non-heat-insulation fireproof window | |
| CN206220807U (en) | A kind of broken-bridge aluminum alloy thermal insulation fire-resistant window | |
| JP6715728B2 (en) | Fire sash | |
| CN219808842U (en) | Door and window bolt | |
| CN206448740U (en) | A kind of steel aluminium combination fire window with bimetal leaf temperature-sensitive latch | |
| CN208347616U (en) | A kind of aluminium alloy fire window | |
| CN210738405U (en) | Luxurious super energy-saving aluminum alloy heat-insulating fireproof window | |
| CN108049763A (en) | A kind of aluminium alloy fire proof seal window | |
| CN106801573A (en) | A kind of steel aluminium combination fire window with spring-propelling type temperature-sensitive latch | |
| CN207988804U (en) | A kind of aluminium alloy fire window | |
| CN110761686A (en) | Aluminum alloy fireproof window | |
| CN208106288U (en) | Fire-proof and thermal-insulation window is automatically closed | |
| CN206503515U (en) | A kind of steel aluminium combination fire window of the pusher temperature-sensitive latch of band deadweight | |
| JP6850563B2 (en) | Fire protection sash | |
| CN108798418A (en) | A kind of Novel detachable fire window device | |
| CN210888675U (en) | Fireproof window with hidden automatic locking hardware | |
| CN210370401U (en) | Glass fiber reinforced polyurethane section bar outward-opening fireproof window | |
| CN219387714U (en) | Fireproof aluminum alloy door and window with high safety performance | |
| CN214463444U (en) | Automatic locking mechanism under window closing state when fire disaster occurs | |
| CN220184939U (en) | Bridge cut-off aluminium fire window structure | |
| CN211144267U (en) | Aluminum alloy fireproof window | |
| CN221609867U (en) | Quick detachable fire window | |
| CN114016886B (en) | Passive building energy-saving door and window system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |