CN209874964U - Prevent fire door convenient to open - Google Patents
Prevent fire door convenient to open Download PDFInfo
- Publication number
- CN209874964U CN209874964U CN201920404319.9U CN201920404319U CN209874964U CN 209874964 U CN209874964 U CN 209874964U CN 201920404319 U CN201920404319 U CN 201920404319U CN 209874964 U CN209874964 U CN 209874964U
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- Prior art keywords
- door
- bolt
- door leaf
- slat
- hole
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Abstract
The utility model relates to a prevent fire door convenient to open. The device is including the door frame and with door frame articulated door leaf, the door leaf is including the rectangular frame of scarf joint in the door frame and the covering of rigid coupling at rectangular frame two surfaces, the lockhole has been seted up on the door frame, be equipped with locking mechanism on the door leaf relative with the lockhole, locking mechanism includes the door handle with door leaf articulated, the rigid coupling has the slat of AND gate handle an organic whole on the door handle, slat one end articulates there is the connecting rod, the other end articulates there is the extension spring that makes the slat reset, the extension spring free end articulates with the door leaf, just to having seted up spacing through-hole on the rectangular frame with the lockhole, spacing through-hole interpolation has with lockhole complex bolt, the bolt other end is articulated with the corresponding. Because of the existence of the locking mechanism, an operator conventionally rotates the door handle, the bolt is contracted into the limiting through hole under the action of the connecting rod, the door is opened, when the door is closed and is embedded in the door frame, the door handle is loosened, the extension spring enables the strip plate to reset, and the bolt is inserted in the locking hole.
Description
Technical Field
The utility model relates to a prevent fire door technical field, especially relate to a prevent fire door convenient to open.
Background
The patent of a burglary-resisting door is disclosed in the existing Chinese patent database, the patent application number is CN94245088.4, the application date is 1994.11.16, the publication number is CN2220525, the publication date is 1996.02.21, the device includes: the door lock comprises a door leaf, a door frame, a door lock, a rotary table, a connecting rod, a crank and the like, wherein the rotary table, the connecting rod, the crank and the like are arranged in the door leaf and are connected with a handle and a bolt; the rotary table is connected with the crank through a connecting rod, one end of the connecting rod is connected through a rotating shaft fixed in the axial direction of the edge of the rotary table, and the other end of the connecting rod is connected to a shaft pin at the end part of the crank; the middle part of the crank is provided with a rotating shaft, one end of the bolt is connected with the other end of the crank through a shaft pin, the connecting rod is provided with a connecting rod stop block at the position corresponding to the stop block, and the handle is fixed at the center of the turntable. The disadvantages are that: the device has the advantages of complex structure, high failure rate and inconvenient operation, and is not suitable for large-area use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, swift fire door that prevents to the not enough of prior art existence.
In order to achieve the above object, the utility model relates to a prevent technical scheme that fire door taken convenient to open:
the door leaf comprises a rectangular frame embedded in the door frame and skins fixedly connected to two surfaces of the rectangular frame, a lock hole is formed in the door frame, a locking mechanism connected with the lock hole in an inserting mode is arranged on the door leaf opposite to the lock hole, the locking mechanism comprises a door handle hinged to the door leaf, a long strip plate integrated with the door handle is fixedly connected to the door handle, one end of the long strip plate is hinged to a connecting rod, the other end of the long strip plate is connected with a tension spring in an attaching mode, the free end of the tension spring is connected with the door leaf in an attaching mode, a limiting through hole is formed in the rectangular frame right opposite to the lock hole, a bolt matched with the lock hole is inserted in the limiting through hole, the other end of the bolt is hinged to the corresponding end of the connecting rod, and the long strip plate, the.
The utility model discloses the during operation, when the door leaf scarf joint in the door frame, the extension spring makes the rectangular board be in quiescent condition, and the bolt is pegged graft in the lockhole through spacing through-hole, and when the door leaf was opened to needs, rotatory door handle, the rectangular board is followed and is rotated, and the rectangular board rotates the in-process, and extension spring deformation, bolt return under the connecting rod effect and return, from the lockhole in-slide, contract in the spacing through-hole, the door is opened.
Compared with the prior art, the beneficial effects of the utility model are that: because of the existence of the locking mechanism, an operator conventionally rotates the door handle, the bolt is contracted into the limiting through hole under the action of the connecting rod, the door is opened, when the door is closed, the door leaf is embedded in the door frame, the door handle is loosened, the extension spring enables the strip plate to reset, and the bolt is inserted in the lock hole.
The door leaf is provided with two extension springs, a convex round shaft is arranged on the door leaf corresponding to the extension springs, one hook of the two extension springs is connected with the round shaft in a hanging mode, the other hook of the two extension springs is connected with a corner corresponding to one end of the long slat in a hanging mode, and the two extension springs are symmetrically arranged by taking the round shaft as the center. The two tension springs extend the strip plates from two directions and are matched with each other to ensure the success of the resetting of the strip plates.
The door leaf positioned on the motion path of the bolt is provided with a limiting block, the limiting block is right opposite to the bolt end hinged with the connecting rod, and the distance between the limiting block and the bolt end enables the bolt to slide out of the lock hole, so that the bolt is prevented from sliding out of the limiting through hole.
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 lock hole 101, a door leaf 2, a 201 limiting through hole, a 202 circular shaft, a 203 limiting block, a 3 locking mechanism, a 301 door handle, a 302 long slat, a 303 connecting rod, a 304 tension spring and a 305 bolt.
Detailed Description
As shown in fig. 1 and 2, a fireproof door convenient to open comprises a door frame 1 and a door leaf 2 hinged to the door frame 1, wherein the door leaf 2 comprises a rectangular frame embedded in the door frame 1 and skins fixedly connected to two surfaces of the rectangular frame, the door frame 1 is provided with a lock hole 101, the door leaf 2 opposite to the lock hole 101 is provided with a locking mechanism 3 inserted in the lock hole 101, the locking mechanism 3 comprises a door handle 301 hinged to the door leaf 2, the door handle 301 is fixedly connected with a strip plate 302 integrated with the door handle 301, one end of the strip plate 302 is hinged to a connecting rod 303, the other end is hung to a tension spring 304 for resetting the strip plate 302, the free end of the tension spring 304 is hung to the door leaf 2, the tension spring 304 is provided with two pieces, the door leaf 2 corresponding to the tension spring 304 is provided with a convex round shaft 202, one hook of the two tension springs 304 is hung to the round shaft 202, the other hook is hung to a corner corresponding to one end of the strip, the two tension springs 304 elongate the strip plate 302 from two directions, the two tension springs 304 are mutually matched to ensure that the strip plate 302 is successfully reset, a limiting through hole 201 is formed in a rectangular frame right opposite to the lock hole 101, a bolt 305 matched with the lock hole 101 is inserted in the limiting through hole 201, the other end of the bolt 305 is hinged with the corresponding end of the connecting rod 303, the strip plate 302, the connecting rod 303 and the bolt 305 form a crank-slider mechanism, a limiting block 203 is arranged on a door leaf 2 located on the motion path of the bolt 305, the limiting block 203 is right opposite to the end of the bolt 305 hinged with the connecting rod 303, and the distance between the limiting block 203 and the end of the bolt 305 enables the bolt 305 to slide out of the lock hole 101.
During operation, when door leaf 2 scarf joint is in door frame 1, extension spring 304 makes rectangular board 302 be in quiescent condition, and bolt 305 is pegged graft in lockhole 101 through spacing through-hole 201, and when needs opened door leaf 2, revolving door handle 301, rectangular board 302 are followed and are rotated, and rectangular board 302 rotates the in-process, and extension spring 304 deformation, bolt 305 retract under the effect of connecting rod 303, roll-off in following lockhole 101, contract to spacing through-hole 201 in, the door is opened.
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 (3)
1. The utility model provides a prevent fire door convenient to open, including the door frame and with door frame articulated door leaf, the door leaf includes rectangular frame and the rigid coupling of scarf joint in the door frame at the covering on rectangular frame two surfaces, has seted up the lockhole on the door frame, is equipped with the locking mechanism of pegging graft with the lockhole on the door leaf relative with the lockhole, its characterized in that: the locking mechanism comprises a door handle hinged with the door leaf, a slat integrated with the door handle is fixedly connected to the door handle, a connecting rod is hinged to one end of the slat, a tension spring enabling the slat to reset is hung to the other end of the slat, the free end of the tension spring is hung to the door leaf, a limiting through hole is formed in the rectangular frame right opposite to the lock hole, a bolt matched with the lock hole is inserted in the limiting through hole, the other end of the bolt is hinged to the corresponding end of the connecting rod, and the slat, the connecting rod and the bolt form a slider-crank mechanism.
2. A fire rated door as claimed in claim 1, further comprising: the door leaf is provided with two extension springs, a convex round shaft is arranged on the door leaf corresponding to the extension springs, one hook of the two extension springs is connected with the round shaft in a hanging mode, the other hook of the two extension springs is connected with a corner corresponding to one end of the long slat in a hanging mode, and the two extension springs are symmetrically arranged by taking the round shaft as the center.
3. A fire rated door as claimed in claim 1 or 2, wherein: the door leaf positioned on the motion path of the bolt is provided with a limiting block, the limiting block is right opposite to the bolt end hinged with the connecting rod, and the distance between the limiting block and the bolt end enables the bolt to slide out of the lock hole, so that the bolt is prevented from sliding out of the limiting through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404319.9U CN209874964U (en) | 2019-03-28 | 2019-03-28 | Prevent fire door convenient to open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404319.9U CN209874964U (en) | 2019-03-28 | 2019-03-28 | Prevent fire door convenient to open |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874964U true CN209874964U (en) | 2019-12-31 |
Family
ID=68957028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920404319.9U Active CN209874964U (en) | 2019-03-28 | 2019-03-28 | Prevent fire door convenient to open |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874964U (en) |
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2019
- 2019-03-28 CN CN201920404319.9U patent/CN209874964U/en active Active
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| GR01 | Patent grant |