CN207420375U - A kind of fire resistant doorsets - Google Patents

A kind of fire resistant doorsets Download PDF

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Publication number
CN207420375U
CN207420375U CN201721037860.8U CN201721037860U CN207420375U CN 207420375 U CN207420375 U CN 207420375U CN 201721037860 U CN201721037860 U CN 201721037860U CN 207420375 U CN207420375 U CN 207420375U
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CN
China
Prior art keywords
door body
sliding block
ratchet
handle
fire resistant
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
Application number
CN201721037860.8U
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Chinese (zh)
Inventor
郑刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Shield Door Technology Co Ltd
Original Assignee
Shenzhen Shield Door Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Shield Door Technology Co Ltd filed Critical Shenzhen Shield Door Technology Co Ltd
Priority to CN201721037860.8U priority Critical patent/CN207420375U/en
Application granted granted Critical
Publication of CN207420375U publication Critical patent/CN207420375U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of fire resistant doorsets, it is intended to provide a kind of device for preferably evacuating personnel, its key points of the technical solution are that including doorframe and it is rotationally connected with the door body of doorframe, the door body is rotatably connected to lower bull stick, the doorframe is rotatably connected to bull stick, and the lower bull stick is connected with upper bar rotation;The lower bull stick is fixedly connected with the shaft for being rotationally connected with door body, and the shaft is socketed with ratchet, and the door body sliding is connected with and the matched sliding block of the gear teeth of ratchet;The door body is equipped with the slippage slot for sliding block sliding, spring is connected between the slot bottom and sliding block of the slippage slot, in its natural state, sliding block is caught in the gear teeth of ratchet the spring;The door body is equipped with handle, and the handle is equipped with the transmission component slid with movable slider into slippage slot.The device keeps it turned on door body, so as to preferably evacuate crowd by the cooperation of sliding block and ratchet.

Description

A kind of fire resistant doorsets
Technical field
The utility model is related to fire equipment technical field, more specifically, it relates to a kind of fire resistant doorsets.
Background technology
In daily life, fire resistant doorsets are widely used in many fields such as private residence, ship, chemical industry, mechanical engineering.Fire prevention Door refers to the door with fire resistance, and fleeing from fire when fire occurs for people gains time, and prevents fire spreading, in fire Play the role of in calamity vital.
Such as the Chinese patent that notification number is CN104847235A discloses a kind of fire resistant doorsets, which includes door leaf, prevents Fiery lock, fire resistant doorsets handle, hinge for fireproof, assembly type fireproof door frame and induction fire-proof door closer;The fireproof door frame includes Frame first end, frame the second end, frame connecting pieces, the frame connecting pieces are by expansion fastener by the frame One end connects and composes corner-shape structure with the frame the second end.
However, fire resistant doorsets are not fixed after opening in the device, fire resistant doorsets are easily automatically closed, and cause in evacuating personnel When, people below needs to be again turned on fire resistant doorsets, so as to evacuate the reduction of the efficiency of crowd.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of fire resistant doorsets, which can dredge in personnel When dissipating, fire resistant doorsets are fixed on to the position of certain angle unlatching, there is the effect for preferably evacuating personnel.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of fire resistant doorsets, including Doorframe and the door body for being rotationally connected with doorframe, the door body are rotatably connected to lower bull stick, and the doorframe is rotatably connected to Bar, the lower bull stick are connected with upper bar rotation;The lower bull stick is fixed with the shaft for being rotationally connected with door body, the shaft set Ratchet is connected to, the door body sliding is connected with and the matched sliding block of the gear teeth of ratchet;The door body is equipped with for sliding block sliding Slippage slot is connected with spring between the slot bottom and sliding block of the slippage slot, in its natural state, sliding block is caught in ratchet to the spring The gear teeth in;The free end of the door body is equipped with handle, and the handle is equipped with the biography slid with movable slider into slippage slot Dynamic component.
By using above-mentioned technical proposal, when fire, which occurs, needs evacuation crowd, swing handle, handle passes through transmission component It is moved with movable slider to the direction of slippage slot slot bottom, and then sliding block departs from ratchet, promotes door body, door body is made to be opened to suitably Position;Come loose handle, and sliding block is caught under the restoring force effect of spring in the gear teeth of ratchet, and then limits the rotation of ratchet, from And shaft is not easy to rotate with lower bull stick, upper bull stick is also fixed, and door body is fixed on opening state;It can be easily by swing handle Door body is opened, and door body is fixed on the position of certain angle unlatching by the cooperation of sliding block and ratchet, greatly reduces door body pass Situation about closing makes the effect of evacuation crowd reach more preferable;And door body is maintained at suitable angle and opens, and slows down smog in fire Deng diffusion, strengthen the security performances of fire resistant doorsets.
Preferably, the transmission component includes inside door body and is connected to the connecting rope between handle and sliding block, The slot bottom of the slippage slot is equipped with the through hole passed through for connecting rope.
By using above-mentioned technical proposal, swing handle, handle pulls connecting rope, and connecting rope band movable slider departs from ratchet, And then can relatively rotate convenient for door body with doorframe, so as to open door body and close door body;And handle passes through connecting rope Sliding block can be easily pulled, condition is provided in place for the rotation of door body and door body fixation.
Preferably, the cross section of the sliding block and the cross section of slippage slot are T-shaped.
By using above-mentioned technical proposal, sliding block slid in slippage slot it is more stable, reduce sliding block out of slippage slot take off From situation, the job stability of sliding block is added, so that the fixation of door body and the process of opening are more stable.
Preferably, the handle is equipped with the handle shaft being located inside door body;The transmission component includes being socketed on handle The inconsistent slide bar in the gear of shaft, the skewback arranged on sliding block, the inclined surface of one end and skewback and arranged on slide bar and gear The rack being meshed, the inclined surface of the skewback is towards ratchet.
By using above-mentioned technical proposal, swing handle, while handle shaft and gear rotate, the engagement of wheel and rack Band carry-over bar and slide bar move, and then the end of slide bar slides along the inclined surface of skewback, while skewback is under the thrust of slide bar It is slid to the direction away from ratchet, so as to which sliding block departs from ratchet;Swing handle can easily and effectively depart from sliding block and ratchet, real The transmission of power is showed, and then has been that the rotation of door body and door body fixation provide condition in place.
Preferably, the slide bar is equipped with and the matched inclined-plane of skewback towards the end of skewback.
By using above-mentioned technical proposal, when slide bar moves, the inclined surface of inclined-plane and skewback is inconsistent, drives slide bar oblique Block and the process of sliding block movement are faster laborsaving, and skewback is contradicted and promoted by slide bar more convenient effective by inclined-plane.
Preferably, the door body is equipped with protective cover, and the ratchet is located in protective cover, the shaft run through protective cover and with Protective cover is rotatablely connected.
By using above-mentioned technical proposal, protective cover plays ratchet and the sliding block being caught in ratchet protection well and makees With, it greatly reduces ratchet and sliding block is subject to the situation of external world's damage, the stability higher that ratchet and sliding block is made to work, so as to door The fixation of body and the opening of door body can be carried out more stably.
Preferably, there are two respectively closely in the lantern ring on ratchet both sides for the shaft socket.
By using above-mentioned technical proposal, lantern ring further positions ratchet, reduces further ratchet in shaft On the possibility that shifts, so as to which ratchet is less susceptible to sliding block theres is a situation where misplace, ratchet can be more stable with sliding block cooperation.
Preferably, the door body is equipped with and the fixed hinge of doorframe.
By using above-mentioned technical proposal, door body is rotatablely connected by hinge and doorframe, door body can conveniently and efficiently around Hinge rotates, and the fixed high stability of hinge, so as to which door body is not easily disconnected from doorframe.
In conclusion the utility model has the advantages that:
1st, swing handle, handle departs from ratchet by transmission component band movable slider, so as to conveniently and efficiently promote door body, Door body is rotated, and then easily opens and closes door body;
2nd, after door body turns to the position of the unlatching of certain angle, handle is unclamped, sliding block is under the restoring force effect of spring It is caught in the gear teeth of ratchet, and then door body is fixed, door body is not susceptible to situation about closing, so as to preferably evacuate crowd;
3rd, door body can be kept it turned at an angle, so as to slow down the diffusion of smog etc. when door body is opened.
Description of the drawings
Fig. 1 is the structure diagram of embodiment one;
Fig. 2 is sectional views of the Fig. 1 along line A-A;
Fig. 3 is the enlarged drawing of part B in Fig. 2;
Fig. 4 is the internal structure schematic diagram of embodiment one;
Fig. 5 is the internal structure schematic diagram of embodiment two.
In figure:1st, doorframe;2nd, door body;3rd, lower bull stick;4th, upper bull stick;5th, shaft;6th, ratchet;7th, sliding block;8th, slippage slot;9、 Spring;10th, handle;11st, transmission component;111st, connecting rope;112nd, gear;113rd, skewback;114th, slide bar;115th, rack;12nd, lead to Hole;13rd, handle shaft;14th, inclined-plane;15th, protective cover;16th, lantern ring;17th, hinge;18th, locking cap;19th, fixed frame.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one:A kind of fire resistant doorsets, as depicted in figs. 1 and 2, including doorframe 1 and door body 2, the one side of door body 2 is installed There is the hinge 17 for being fixed on doorframe 1, door body 2 is rotatablely connected by hinge 17 and doorframe 1, and door body 2 is enable fast and easily to rotate, And door body 2 is not easy to depart from doorframe 1.The top of door body 2 is equipped with protective cover 15, and protective cover 15 is fixed by bolt and door body 2, And protective cover 15 is towards the one side opening of door body 2.
As shown in figures 1 and 3, the upper and lower ends of protective cover 15 are welded with locking cap 18, and protective cover 15 is rotatably connected to Through the shaft 5 of protective cover 15 and locking cap 18;Shaft 5 is socketed with the ratchet 6 inside protective cover 15, and shaft 5 is socketed Have respectively closely in the lantern ring 16 on ratchet both sides about 6(Fig. 4), lantern ring 16 further makes ratchet 6 and shaft 5 be fixed by socket more Surely, the possibility that downward shift occurs in shaft 5 for ratchet 6 is reduced.
As shown in figures 1 and 3, shaft 5 stretches out in the upper end of locking cap 18 and is welded with lower bull stick 3, and doorframe 1 is rotatably connected to Upper bull stick 4 above lower bull stick 3, upper bull stick 4 are rotatablely connected with lower bull stick 3;Doorframe 1 is installed with for upper 4 turns of bull stick Dynamic fixed frame 19.
As shown in Figure 3 and Figure 4, door body 2 is provided with slippage slot 8 of the notch towards ratchet 6, in slippage slot 8 sliding be connected with The matched sliding block 7 of the gear teeth of ratchet 6;Spring 9 is fixedly connected between the slot bottom of sliding block 7 and slippage slot 8, spring 9 is in nature Under state, sliding block 7 is caught in the gear teeth of ratchet 6.The free end of door body 2 is rotatably connected to handle 10, and handle 10, which is fixed with, to be located at Handle shaft 13 inside door body 2, handle shaft 13 are equipped with the transmission component for being slid with movable slider 7 into slippage slot 8 11;Transmission component 11 is individually fixed in handle shaft 13 and the connecting rope 111 of sliding block 7 including both ends, and the slot bottom of slippage slot 8 is provided with The through hole 12 passed through for connecting rope 111.
As shown in Figure 3 and Figure 4, when generation fire needs evacuation crowd, swing handle 10, handle shaft 13 pulls connection Rope 111, connecting rope 111 is exceptionally straight and is slid with movable slider 7 to the slot bottom of slippage slot 8, and then sliding block 7 departs from ratchet 6;Promote door Body 2 simultaneously makes door body 2 turn to suitable position, unclamps handle 10, and sliding block 7 is caught in ratchet 6 under the restoring force effect of spring 9 In the gear teeth;And then the rotation of ratchet 6 is limited, shaft 5 and lower bull stick 3 are fixed, and upper bull stick 4 is not easy to rotate partially It moves, so as to which door body 2 is not easy to relatively rotate with doorframe 1, door body 2 is fixed on the position of certain angle unlatching.
As shown in Figure 3 and Figure 4, swing handle 10 can easily and effectively make sliding block 7 depart from ratchet 6, and then door body 2 is opened To certain position, door body 2 can be locked automatically by sliding block 7 and the cooperation of ratchet 6 and the effect of spring 9, and door body 2 is not easy to send out Raw situation about closing, more preferable so as to evacuate the effect of crowd, crowd withdraws more smooth;And door body 2 can be kept opening in certain angle State is opened, slows down the diffusion of smog etc. when door body 2 is opened.
As shown in Figure 3 and Figure 4, the cross section of slippage slot 8 and sliding block 7 is T-shaped, so as to reduce sliding block 7 and sliding The situation that slot 8 departs from makes sliding block 7 be slid in slippage slot 8 more stable, and sliding block 7 is connected the stability higher of cooperation with ratchet 6, And then add the opening of door body 2 and fixed stability.
Total course of work:When generation fire needs evacuation crowd, swing handle 10, handle 10 tenses connecting rope 111, even Splicing 111 departs from movable slider 7 and ratchet 6;Door body 2 is promoted, door body 2 turns to the position of certain angle unlatching, unclamps handle 10, sliding block 7 is caught under the restoring force effect of spring 9 in the gear teeth of ratchet 6, so as to which door body 2 is fixed.
Embodiment two:A kind of fire resistant doorsets, as shown in figure 5, the difference between this embodiment and the first embodiment lies in:Transmission component 11 Including being fixed by socket the gear 112 in handle shaft 13, the skewback 113 for being shaped in 7 lower end of sliding block, upper end and skewback 113 Inconsistent slide bar 114 and be installed on 113 lower end of skewback and the rack 115 that is meshed with gear 112;113 lower end of skewback Inclined surface 14 towards ratchet 6, the upper surface of slide bar 114 is and the inclined surface 14 of skewback 113 mutually contradicts the inclined-plane 14 of cooperation.
As shown in figure 5, being rotated up handle 10, handle shaft 13 is rotated with gear 112, and gear 112 is nibbled with rack 115 Crossed belt moving slide-bar 114 moves up;The inclined surface 14 of inclined-plane 14 and skewback 113 is inconsistent and mutual sliding, so as to skewback 113 with Sliding block 7 slides to the direction away from ratchet 6;And then sliding block 7 departs from ratchet 6, substantially effectively realizes the transmission of power, so as to Conveniently and efficiently swing handle 10 and sliding block 7 is made to depart from ratchet 6, convenient for door body 2 is turned to suitable position.
Above-described embodiment is only explanation to the utility model, is not the limitation to the utility model, this field Technical staff can as needed make the present embodiment the modification of no creative contribution after this specification is read, but only It all to be protected in the right of the utility model be subject to Patent Law.

Claims (8)

1. a kind of fire resistant doorsets, including doorframe (1) and the door body (2) of doorframe (1) is rotationally connected with, it is characterized in that:The door body (2) lower bull stick (3) is rotatably connected to, the doorframe (1) is rotatably connected to bull stick (4), the lower bull stick (3) and upper bull stick (4) it is rotatablely connected;The lower bull stick (3) is fixed with the shaft (5) for being rotationally connected with door body (2), and the shaft (5) is socketed with spine It takes turns (6), door body (2) sliding is connected with and the matched sliding block of the gear teeth (7) of ratchet (6);The door body (2) is equipped with for sliding The slippage slot (8) of block (7) sliding, spring (9), the spring are connected between the slot bottom of the slippage slot (8) and sliding block (7) (9) in its natural state, sliding block (7) is caught in the gear teeth of ratchet (6);The free end of the door body (2) is equipped with handle (10), institute It states handle (10) and is equipped with the transmission component (11) for being used for being slid into slippage slot (8) with movable slider (7).
2. a kind of fire resistant doorsets according to claim 1, it is characterized in that:The transmission component (11) includes being located at door body (2) Connecting rope (111) that is internal and being connected between handle (10) and sliding block (7), the slot bottom of the slippage slot (8) are equipped with for connecting The through hole (12) that splicing (111) passes through.
3. a kind of fire resistant doorsets according to claim 2, it is characterized in that:The cross section of the sliding block (7) and slippage slot (8) Cross section it is T-shaped.
4. a kind of fire resistant doorsets according to claim 1, it is characterized in that:The handle (10), which is equipped with, is located at door body (2) inside Handle shaft (13);The transmission component (11) includes being socketed on the gear (112) of handle shaft (13), arranged on sliding block (7) Skewback (113), the inconsistent slide bar (114) in the inclined surface (14) of one end and skewback (113) and arranged on slide bar (114) with The rack (115) that gear (112) is meshed, the inclined surface (14) of the skewback (113) is towards ratchet (6).
5. a kind of fire resistant doorsets according to claim 4, it is characterized in that:The slide bar (114) is towards the end of skewback (113) Equipped with skewback (113) matched inclined-plane (14).
6. a kind of fire resistant doorsets according to claim 1, it is characterized in that:The door body (2) is equipped with protective cover (15), the spine Wheel (6) is located in protective cover (15), and the shaft (5) is rotatablely connected through protective cover (15) and with protective cover (15).
7. a kind of fire resistant doorsets according to claim 1, it is characterized in that:The shaft (5) socket there are two respectively closely in The lantern ring (16) on ratchet (6) both sides.
8. a kind of fire resistant doorsets according to claim 1, it is characterized in that:The door body (2) is equipped with and doorframe (1) fixed conjunction Page (17).
CN201721037860.8U 2017-08-17 2017-08-17 A kind of fire resistant doorsets Expired - Fee Related CN207420375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721037860.8U CN207420375U (en) 2017-08-17 2017-08-17 A kind of fire resistant doorsets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721037860.8U CN207420375U (en) 2017-08-17 2017-08-17 A kind of fire resistant doorsets

Publications (1)

Publication Number Publication Date
CN207420375U true CN207420375U (en) 2018-05-29

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CN201721037860.8U Expired - Fee Related CN207420375U (en) 2017-08-17 2017-08-17 A kind of fire resistant doorsets

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110331903A (en) * 2019-07-29 2019-10-15 沈阳建筑大学 A kind of casement window opening degree limiting device and its application method
CN111946203A (en) * 2019-05-17 2020-11-17 武义龙泰金属制品有限公司 Middle rotary door

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946203A (en) * 2019-05-17 2020-11-17 武义龙泰金属制品有限公司 Middle rotary door
CN110331903A (en) * 2019-07-29 2019-10-15 沈阳建筑大学 A kind of casement window opening degree limiting device and its application method
CN110331903B (en) * 2019-07-29 2023-08-18 沈阳建筑大学 Device for limiting opening and closing degree of casement window and application method of device

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180529

Termination date: 20200817

CF01 Termination of patent right due to non-payment of annual fee