CN209874965U - Double-open fireproof door easy to open and close - Google Patents
Double-open fireproof door easy to open and close Download PDFInfo
- Publication number
- CN209874965U CN209874965U CN201920404513.7U CN201920404513U CN209874965U CN 209874965 U CN209874965 U CN 209874965U CN 201920404513 U CN201920404513 U CN 201920404513U CN 209874965 U CN209874965 U CN 209874965U
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- door leaf
- rack
- free end
- right door
- door frame
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Abstract
The utility model relates to an easily open and shut two fire doors that open and shut. The device comprises a doorframe, a left door leaf and a right door leaf, wherein the upper end and the lower end of the right door leaf are fixedly connected with bolts, the doorframe corresponding to the free end of each bolt is provided with a bolt hole, the right door leaf is provided with a locking mechanism, the locking mechanism comprises a hand wheel hinged with the right door leaf, a central shaft of the hand wheel is fixedly connected with a gear, a horizontally arranged rack is connected on the right door leaf positioned on the side surface of the gear in a sliding way, the rack is in meshing transmission connection with the gear, the end of the rack facing to the left door leaf is hinged with a connecting rod, the free end of the connecting rod is hinged with an inclined slide bar facing to the left door leaf, the free end of the inclined slide bar extends out of the left door leaf, the doorframe corresponding to the free end of the inclined slide bar is provided with an inclined blind hole, guide sleeves matched with the inclined slide bars are respectively arranged on the left door leaf, thereby facilitating the opening or locking of the left door leaf.
Description
Technical Field
The utility model relates to a prevent fire door technical field, especially relate to an easily open and shut two fire doors that open and shut.
Background
The patent of the steel fire door with the fire door lockpin device is disclosed in the existing Chinese patent database, the patent application number is CN201521062756.5, the application date is 2015.12.20, the authorization notice number is CN205370362U, the authorization notice date is 2016.07.06, the device includes: the door comprises a door frame, a door leaf, a fireproof hinge, a lock pin device and a fireproof expansion sealing strip, wherein one side of the door leaf is hinged with the door frame through the fireproof hinge; the door frame is made of steel; the door leaf comprises a steel fire-facing panel and a steel back-fire panel; a fireproof expansion sealing strip is embedded in the contact surface of the door frame and the side surface of the door leaf; the lock pin device is arranged between the upper edge of the door frame and the door leaf; comprises a plug bush, a fixed sleeve, a bolt, a compression spring and a fuse link; the plug bush and the fixed sleeve are coaxially and oppositely arranged and are respectively and fixedly connected to the upper edge of the door frame and the door leaf back fire panel; the bolt is arranged in the fixed sleeve and is in clearance fit with the inner hole of the fixed sleeve, and the end part of the bolt can be inserted into the plug bush; the locking pin device also comprises an end cover and a fireproof expansion rubber ring; the fireproof expansion rubber ring is fixedly connected in the plug bush; one end of the plug pin, which faces the plug bush, is provided with a stepped shaft end, and the stepped shaft end can be inserted into an inner hole of the fireproof expansion rubber ring; the end cover is fixedly connected to one end of the fixed sleeve, which is back to the plug bush; a fuse link and a compression spring are arranged between the bolt and the end cover; two ends of the fuse link are respectively connected with the bolt and the end cover; the compression spring is sleeved on the fuse piece. The disadvantages are that: the device simple structure only leans on single bolt to fix the door leaf in the door frame, and the firm in connection nature is relatively poor, warp the back when the door leaf, is difficult to open the bolt, has the potential safety hazard, is not suitable for the large tracts of land and uses.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel structure, laborsaving two divisions of preventing fire door of switching to the not enough of prior art existence.
In order to achieve the above object, the utility model relates to an easy-to-open double-open prevents technical scheme that fire door took:
an easy-to-open double-open fireproof door comprises a door frame, a left door leaf hinged with a left vertical rod of the door frame, and a right door leaf hinged with a right vertical rod of the door frame, wherein the upper end and the lower end of the right door leaf are fixedly connected with bolts, bolt holes matched with the bolts are formed in the door frame corresponding to the free ends of the bolts, a locking mechanism for fixing the left door leaf in the door frame is arranged on the right door leaf, the locking mechanism comprises a hand wheel hinged with the right door leaf, a gear is fixedly connected to the central shaft of the hand wheel, a horizontally arranged rack is connected to the right door leaf on the side surface of the gear in a sliding manner, the rack is in meshing transmission connection with the gear, a connecting rod is hinged to the end of the rack facing the left door leaf, an inclined sliding rod facing the left door leaf is hinged to the free end of the connecting rod, the free end of the inclined sliding rod extends out of the left door leaf, an inclined blind hole matched, the inclined sliding rods are sequentially inserted into the corresponding guide sleeves.
The utility model discloses the during operation, when needs are opened, rotatory hand wheel, make the rack to the translation of door frame edge, during the rack translation, make the connecting rod remove, thereby make slope slide bar free end leave left door leaf, and it is at the back to contract right door leaf, left door leaf opens, take off the bolt again, open right door leaf, when needs are closed the door, scarf joint right door leaf in the door frame earlier, insert the bolt, fix right door leaf in the door frame, scarf joint left door leaf in the door frame again, rotatory hand wheel, make the rack left door leaf translation left, during the rack translation, make the connecting rod remove, thereby make slope slide bar free end leave right door leaf, after passing the guide pin bushing on left door leaf, peg graft in the slope blind hole that corresponds, fix left door leaf in the door frame.
Compared with the prior art, the beneficial effects of the utility model are that: due to the existence of the locking mechanism, an operator easily rotates the hand wheel, so that the inclined sliding rod is controlled to stretch and retract through the rack and the connecting rod, and the left door leaf is convenient to open or lock.
The connecting rods are two, the free end of one connecting rod faces the upper edge of the door frame, and the free end of the other connecting rod faces the lower edge of the door frame. Each inclined sliding rod is clamped with a corresponding angle of the free end of the left door leaf, so that the left door leaf is firmly fixed in the door frame.
The dovetail groove is formed in the surface, facing the surface of the right door leaf, of the rack, the sliding rail in the same direction as the rack is arranged on the right door leaf corresponding to the rack, and the dovetail groove is connected with the sliding rail in a sliding mode to ensure that the rack can move horizontally effectively.
And the end of the sliding rail facing one side of the doorframe is provided with a limit screw, and the limit screw controls the movement displacement of the rack, so that the inclined sliding rod is retracted to the back of the right door leaf, and the inclined sliding rod is prevented from sliding out of the corresponding guide sleeve on the right door leaf.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged illustration of a point a in fig. 1.
The door lock comprises a door frame 1, a left door leaf 2, a right door leaf 3, a 301 bolt, a 4 locking mechanism, a 401 hand wheel, a 402 gear, a 403 rack, a 404 connecting rod, a 405 inclined sliding rod, a 406 guide sleeve, a 407 sliding rail and 408 limiting screws.
Detailed Description
As shown in fig. 1 and 2, an easy-to-open double-open fireproof door comprises a door frame 1, a left door leaf 2 hinged to a left vertical rod of the door frame 1, a right door leaf 3 hinged to a right vertical rod of the door frame 1, pins 301 fixedly connected to upper and lower ends of the right door leaf 3, pin holes matched with the pins 301 formed in the door frame 1 corresponding to free ends of the pins 301, a locking mechanism 4 for fixing the left door leaf 2 in the door frame 1 provided on the right door leaf 3, the locking mechanism 4 comprising a hand wheel 401 hinged to the right door leaf 3, a gear 402 fixedly connected to a central shaft of the hand wheel 401, a horizontally arranged rack 403 slidably connected to the right door leaf 3 on a side of the gear 402, a dovetail groove formed on a surface of the rack 403 facing to a surface of the right door leaf 3, a slide rail 407 in the same direction as the rack 403 provided on the right door leaf 3 corresponding to the rack 403, the dovetail groove slidably connected to the, the end of the sliding rail 407 facing to the doorframe 1 is provided with a limit screw 408, the limit screw 408 controls the movement displacement of the rack 403, so that the inclined sliding rod 405 is retracted behind the right door leaf 3, the inclined sliding rod 405 is prevented from sliding out of the corresponding guide sleeve 406 on the right door leaf 3, the rack 403 is in meshed transmission connection with the gear 402, the end of the rack 403 facing to the left door leaf 2 is hinged with two connecting rods 404, the free end of one connecting rod 404 faces to the upper edge of the doorframe 1, the free end of the other connecting rod 404 faces to the lower edge of the doorframe 1, each inclined sliding rod 405 is clamped with the corresponding corner of the free end of the left door leaf 2, thereby firmly fixing the left door leaf 2 in the doorframe 1, the free end of each connecting rod 404 is hinged with the inclined sliding rod 405 facing to the left door leaf 2, the free end of the inclined sliding rod 405 extends out of the left door leaf 2, the doorframe 1 corresponding, guide sleeves 406 are arranged on the left door leaf 2 and the right door leaf 3 along the length direction of the inclined slide bar 405, and the inclined slide bar 405 sequentially penetrates through the corresponding guide sleeves 406.
When the door needs to be opened, the hand wheel 401 is rotated to enable the rack 403 to translate towards the edge of the door frame 1, when the rack 403 translates, the connecting rod 404 is moved, so that the free end of the inclined sliding rod 405 leaves the left door leaf 2 and retracts behind the right door leaf 3, the left door leaf 2 is opened, the bolt 301 is taken down to open the right door leaf 3, when the door needs to be closed, the right door leaf 3 is embedded in the door frame 1, the bolt 301 is inserted, the right door leaf 3 is fixed in the door frame 1, the left door leaf 2 is embedded in the door frame 1, the hand wheel 401 is rotated to enable the rack 403 to translate towards the left door leaf 2, when the rack 403 translates, the connecting rod 404 is moved, so that the free end of the inclined sliding rod 405 leaves the right door leaf 3, penetrates through the guide sleeve 406 on the left door leaf 2 and then is inserted into the corresponding inclined blind hole, and the left.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (4)
1. The utility model provides an easy open-close's two divisions prevent fire door, including the door frame and with door frame left side montant articulated left door leaf, with door frame right side montant articulated right door leaf, the equal rigid coupling of the last lower extreme of right door leaf has the bolt, set up on the door frame that each bolt free end corresponds with bolt matched with bolt hole, be equipped with on the right door leaf and fix the locking mechanism in the door frame with left door leaf, its characterized in that: the locking mechanism comprises a hand wheel hinged with a right door leaf, a gear is fixedly connected to a central shaft of the hand wheel, a rack horizontally arranged is connected to the right door leaf on the side face of the gear in a sliding mode, the rack is in meshed transmission connection with the gear, a connecting rod is hinged to the end of the rack facing the left door leaf, the free end of the connecting rod is hinged to an inclined sliding rod facing the left door leaf, the free end of the inclined sliding rod extends out of the left door leaf, an inclined blind hole matched with the inclined sliding rod in a splicing mode is formed in a door frame corresponding to the free end of the inclined sliding rod, guide sleeves are arranged on the left door leaf and the right door leaf along the length direction of the.
2. An easy open double fire rated door as claimed in claim 1, wherein: the connecting rods are two, the free end of one connecting rod faces the upper edge of the door frame, and the free end of the other connecting rod faces the lower edge of the door frame.
3. An easy open double fire rated door as claimed in claim 1 or 2, wherein: the rack surface facing the right door leaf surface is provided with a dovetail groove, the right door leaf corresponding to the rack is provided with a sliding rail in the same direction as the rack, and the dovetail groove is connected with the sliding rail in a sliding manner.
4. An easy open double fire rated door as claimed in claim 3, wherein: and the end of the sliding rail facing one side of the doorframe is provided with a limit screw, and the limit screw controls the movement displacement of the rack, so that the inclined sliding rod is retracted to the back of the right door leaf, and the inclined sliding rod is prevented from sliding out of the corresponding guide sleeve on the right door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404513.7U CN209874965U (en) | 2019-03-28 | 2019-03-28 | Double-open fireproof door easy to open and close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404513.7U CN209874965U (en) | 2019-03-28 | 2019-03-28 | Double-open fireproof door easy to open and close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874965U true CN209874965U (en) | 2019-12-31 |
Family
ID=68957034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920404513.7U Active CN209874965U (en) | 2019-03-28 | 2019-03-28 | Double-open fireproof door easy to open and close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874965U (en) |
-
2019
- 2019-03-28 CN CN201920404513.7U patent/CN209874965U/en active Active
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