CN2239489Y - Prevent fire door releaser with close door function - Google Patents
Prevent fire door releaser with close door function Download PDFInfo
- Publication number
- CN2239489Y CN2239489Y CN 95241651 CN95241651U CN2239489Y CN 2239489 Y CN2239489 Y CN 2239489Y CN 95241651 CN95241651 CN 95241651 CN 95241651 U CN95241651 U CN 95241651U CN 2239489 Y CN2239489 Y CN 2239489Y
- Authority
- CN
- China
- Prior art keywords
- ratchet
- door
- slide
- release
- close
- 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.)
- Expired - Fee Related
Links
- 230000008520 organization Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model provides a prevent fire door releaser with door function mainly constitutes including releaser casing and setting ratchet pawl mechanism, pawl control mechanism and the transfer line of connection between ratchet axle and fire door leaf in the casing, still is equipped with a door mechanism that closes that comprises a guide way and the slide of establishing in the guide way, the pressure spring of closing a door and a chain drive mechanism of setting between slide and ratchet axle in the casing. The chain transmission mechanism drives the sliding seat to compress and store the pressure spring of the door closing by utilizing the rotation motion during the door opening, and the pressure spring also releases energy to drive the ratchet shaft to rotate in the opposite direction to close the door leaf when releasing the positioning.
Description
The utility model relates to the release that a kind of labeled door is used.
Chinese patent bulletin CN2102984U discloses a kind of " monolithic labeled door release door on ", mainly by the release housing be installed in ratchet and pawl arrangement in the housing, magnet control mechanism and door leaf connection bearing that the control ratchet moves and be arranged on the toggle link system that ratchet and pawl arrangement is connected with door leaf between the bearing and constituted.Utilize ratchet and pawl arrangement that the door leaf of opening is positioned, accept the signalizing activity of Fire Services Communication Centre by electromagnet, drive ratchet and throw off ratchet, make ratchet shaft free to rotate, the toggle link system loses detent force, and door leaf realizes cutting out under the twisting force of the elasticity hinge key of self joining tool.The deficiency of this labeled door release is a function singleness, can only work to eliminate the location, and not have the function that door leaf cuts out, and only can be used to carry and close a door leaf of hinge key or join the door closer use in addition.
The purpose of this utility model is the above-mentioned deficiency that overcomes existing labeled door release, and a kind of labeled door release that closes a function that has is provided.
The purpose of this utility model is closed this technical scheme of a mechanism and is realized by be provided with one in original release.Its formation comprises the release housing, be installed in the ratchet and pawl arrangement that has ratchet shaft in the housing and control the ratchet controlling organization that ratchet moves, drive link that is connected with ratchet shaft and the door leaf Connection Block that is connected this drive link other end, feature of the present utility model is also to be provided with one to close a mechanism in housing, this closes a mechanism by a gathering sill, slide and one one end of being arranged in the gathering sill are installed on the slide, other end apical grafting constitutes at close a stage clip and a key transmission mechanism of gathering sill end, and described key transmission mechanism comprises that a sprocket wheel and one one end that is fixed in ratchet shaft is connected on the sprocket wheel, the other end is connected the driving chain on the slide.When opening labeled door, the drive link that moves through of door leaf drives the ratchet shaft rotation, the sprocket wheel that is fixed on the ratchet shaft also rotates thereupon, the pulling chain makes it to illegally occupy on sprocket wheel, the slide that is connected with chain also overcomes the elastic force of closing a stage clip thereupon and slides to sprocket wheel, and after the door leaf unlatching put in place, ratchet embedded ratchet, play the role of positioning, close a stage clip and be in the compression shape.When release was received release signal, the action of ratchet controlling organization discharged ratchet, slide drives sprocket rotation by chain under the resilient force of closing a stage clip simultaneously, ratchet shaft is also with sprocket rotation, thereby drive is connected the drive link on the ratchet shaft, finishes closing of door leaf.
Described ratchet controlling organization can be continued to use the existing electromagnet drive mechanism that is controlled by the fire-fighting center.For special circumstances and some the power free warehouses that is fit to some no control centres or power failure uses, it is the ratchet controlling organization in actuating signal source with the temperature control tube that the utility model has designed a kind of.This ratchet controlling organization is by one being arranged on temperature control tube erection support in the release housing, being arranged on the temperature control tube that stage clip and the press spring base that joins with it in this bearing and relative stage clip be arranged on the press spring base other end and being constituted, and press spring base is connected with ratchet and is crimped on the temperature control tube.When breaking out of fire caused environment temperature to surpass the threshold of temperature control tube, temperature control tube burst voluntarily, and press spring base is subjected to displacement under the stage clip effect, the ratchet action that drive is attached thereto, discharge ratchet, eliminate the location, labeled door is closed door under the effect of closing a mechanism.In temperature not to temperature control tube when molten value need be closed again, break vitreous temperature control tube into pieces and both can make the press spring base displacement drive ratchet.
The utility model is compared with existing release and has been increased tool and close a function automatically, need not to join in addition door closer or the limited fire-proof door leaf that is used to carry elastic hinge, saves cost and has reduced service condition; Compact conformation, make easily, reliability is high.Being fit to be provided to various labeled doors uses.
For further describing the utility model, provide embodiment below in conjunction with accompanying drawing.
Fig. 1 structural representation of the present utility model
A-A of Fig. 2 Fig. 1 is to partial view
B-B of Fig. 3 Fig. 1 is to partial view
Shown in Fig. 1～3, present embodiment provides be a kind of be the release in actuating signal source with the temperature control tube.Its housing 1, comprise ratchet and pawl arrangement that ratchet shaft 3, ratchet 4, ratchet 5 constituted and drive link 6, door leaf Connection Block 7 and all can continue to use the form of structure of existing release and constitute, the gathering sill 8 that closes a mechanism is fixed in the upper position place in the housing 1, slide 9 is located in the gathering sill 8, an end apical grafting that closes a stage clip 10 is on slide, and other end apical grafting is in the end of gathering sill.Sprocket wheel 11 is fixed on the ratchet shaft 3, and an end of driving chain 12 is fixed on the sprocket wheel 11 with bolt 13, and the other end is fixed on the slide with bolt 14.Bearing 15 is a tubular support, is fixed in the below of closing a mechanism, and stage clip 16 and press spring base 17 are located in the bearing 15, and the elastic force that temperature control tube 18 overcomes stage clip and press spring base 17 be apical grafting mutually.Ratchet 3 is connected with press spring base 17 by a pulling-on piece 19.During use release is installed on the doorframe 21, its door leaf Connection Block 7 joins with fire-proof door leaf 22, when opening the door, door leaf 22 drives drive link 6 clockwise (shown position) rotation, ratchet shaft 3 and sprocket wheel 12, ratchet 4 also turn clockwise thereupon, driving chain then under the drive of sprocket wheel the pulling slide make it to overcome close a stage clip elastic force left direction move, put in place until opening the door, ratchet embeds the ratchet location, and close a stage clip and be the compress energy storage state this moment.When the environment temperature rising bursts temperature control tube, former temperature control tube takes up space and abdicates, press spring base 17 moves right under the elastic force effect of stage clip 16, can drive ratchet by pulling-on piece 19 and discharge ratchet, when discharging ratchet, close a stage clip 10 and release energy, drive the rotation of sprocket wheel inhour by chain, indirect with it ratchet shaft is rotation thereupon also, drives drive link 6 inhours and rotates, and door leaf cuts out.
A manual-lock key 20 can be set on pulling-on piece 19 stretch outside housing, under no fire alarm situation, desire at closing time, can spur this key to the right and both can realize discharging and close a function.Can resemble also that a cam to be set the prior art on ratchet shaft corresponding with ratchet, utilize rotating band moving cam when pulling door leaf to back down ratchet and finish to discharge and close the door.
Claims (2)
1, a kind of have a labeled door release that closes a function, comprise the release housing, be installed in the ratchet and pawl arrangement that has ratchet shaft in the housing and control the ratchet controlling organization that ratchet moves, drive link that is connected with ratchet shaft and the door leaf Connection Block that is connected this drive link other end, it is characterized in that in housing, also being provided with one and close a mechanism, this closes a mechanism by a gathering sill, slide and one one end of being arranged in the gathering sill are installed on the slide, other end apical grafting the gathering sill end close a stage clip and a chain-drive mechanism constitutes, described chain-drive mechanism comprises that a sprocket wheel and one one end that is fixed in ratchet shaft is connected on the sprocket wheel, the other end is connected the driving chain on the slide.
2, labeled door release as claimed in claim 1, it is characterized in that described ratchet controlling organization by one being arranged on temperature control tube erection support in the release housing, being arranged on the temperature control tube that stage clip and the press spring base that joins with it in this bearing and relative stage clip be arranged on the press spring base other end and being constituted, described press spring base is connected with ratchet and is crimped on the temperature control tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95241651 CN2239489Y (en) | 1995-05-26 | 1995-05-26 | Prevent fire door releaser with close door function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95241651 CN2239489Y (en) | 1995-05-26 | 1995-05-26 | Prevent fire door releaser with close door function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2239489Y true CN2239489Y (en) | 1996-11-06 |
Family
ID=33882774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95241651 Expired - Fee Related CN2239489Y (en) | 1995-05-26 | 1995-05-26 | Prevent fire door releaser with close door function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2239489Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462520C (en) * | 2004-02-27 | 2009-02-18 | 徐跃华 | Obliquely-push type fume exhaust unit applicable in fire alarm |
| CN108708642A (en) * | 2018-05-21 | 2018-10-26 | 厦门海信兴工贸有限公司 | Shutting window device and door window device with it |
-
1995
- 1995-05-26 CN CN 95241651 patent/CN2239489Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462520C (en) * | 2004-02-27 | 2009-02-18 | 徐跃华 | Obliquely-push type fume exhaust unit applicable in fire alarm |
| CN108708642A (en) * | 2018-05-21 | 2018-10-26 | 厦门海信兴工贸有限公司 | Shutting window device and door window device with it |
| CN108708642B (en) * | 2018-05-21 | 2024-07-02 | 厦门海信兴工贸有限公司 | Window closer and door and window equipment with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |