CN207829748U - A kind of fire resistant doorsets - Google Patents

Abstract

The utility model discloses a kind of fire resistant doorsets, its key points of the technical solution are that a kind of fire resistant doorsets, including door leaf and doorframe, card slot is offered in the doorframe, it is equipped with retaining pin module in card slot, the latch hook being slidably matched with retaining pin module is equipped in door leaf, slide bar is fixedly connected on latch hook, it is extended with the limited block for slide bar rotary spacing on slide bar, the sliding slot slided for limited block is offered in door leaf；Side of the slide bar far from latch hook is threaded with thread barrel, the outer perimeter wall of screw thread is equipped with linkage gear, linkage tooth engagement has driving gear, driving gear is coaxially connected with frizzen, frizzen is rotatablely connected with door leaf, triggering block is fixedly connected on frizzen, doorframe is equipped with puts slot for what triggering block slid into.It is rotated by door leaf, door leaf drives triggering block conflict to put slot and rotate, and latch hook extend into card slot and realizes door leaf and lock.

Description

A kind of fire resistant doorsets

Technical field

The utility model is related to fire resistant doorsets field, more particularly to a kind of fire resistant doorsets.

Background technology

Fire resistant doorsets refer to the door that can meet fire stability, integrality and thermal insulation within a certain period of time and require.Fire resistant doorsets In addition to having the function of common door, has the function of preventing fire spreading and flue gas diffusion, fire can be prevented within a certain period of time The sprawling of gesture, it is ensured that evacuating personnel.

Fire resistant doorsets currently on the market, including door leaf and doorframe are fixedly connected with door closer, door closer on the upside of doorframe Hinged with door leaf, when fire occurs, after survivor pushes door leaf open, survivor disappears to the active force of door leaf, and door closer will escape The door leaf that person opens is closed, and realizes the case where hindering fire spread.

Above-mentioned fire resistant doorsets are when fire occurs, since the impact force of scene of fire heat wave hits door leaf, the impact force of heat wave Often door leaf is made constantly to open, to make fire resistant doorsets lose the effect of blocking fire spread.

Utility model content

The purpose of this utility model is to provide a kind of fire resistant doorsets, its advantage is that the heat wave for reducing fire opens the feelings of door leaf Condition.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of fire resistant doorsets, including Door leaf and doorframe offer card slot in the doorframe, and retaining pin module is equipped in card slot, is equipped in door leaf and matches with retaining pin module sliding The latch hook of conjunction is fixedly connected with slide bar on latch hook, the limited block for slide bar rotary spacing is extended on slide bar, is offered in door leaf For the sliding slot of limited block sliding；Side of the slide bar far from latch hook is threaded with thread barrel, and the outer perimeter wall of screw thread is equipped with connection Moving gear, linkage tooth engagement have driving gear, driving gear to be coaxially connected with frizzen, and frizzen is rotatablely connected with door leaf, is touched Triggering block is fixedly connected on hair bar, doorframe is equipped with puts slot for what triggering block slid into.

Through the above technical solutions, when door leaf is closed and closed, door leaf is rotated by hinge around doorframe, when touching on door leaf Slot is put in hair block conflict, with being rotated further for door leaf, puts slot and conflict block is driven to be rotated around the axle center of interlocking bar, door leaf rotation While, conflict block also rotates and triggering block is gradually transferred to and puts in slot, and is ultimately at and puts in slot；Triggering block, which drives, to be touched Bar rotation is sent out, frizzen drives thread barrel to rotate, since limited block limits the rotation of slide bar, therefore passes through spiral shell by driving gear The rotation of line cylinder, thread barrel band moving slide-bar upward sliding.When grab contradicts retaining pin module, grab squeezes retaining pin module, with The lasting rising of grab, grab coordinates with retaining pin module inlay card, and when door leaf is just closed, slide bar band moveable lock hook extend into doorframe Card slot in, retaining pin module in doorframe to fixed grab, to retaining pin module prevents grab with the rotation of door leaf and from It is skidded off in card slot；It ensure that door leaf cannot be opened arbitrarily, when reducing fire generation, the heat wave of fire drives the feelings that door leaf is opened Condition.

The utility model is further arranged to：The outside of the frizzen is equipped with reduction torsion spring.

Through the above technical solutions, when door leaf need to close, with the rotation of frizzen, frizzen makes reduction torsion spring Deformation；When door leaf is opened, due to the elastic force of reduction torsion spring, drives frizzen rotation and grab is made to skid off and slide into from card slot In door leaf.

The utility model is further arranged to：The retaining pin module includes the sleeve that clamp and clamp are slidably connected, sleeve In be equipped with elastic component, elastic component is set in the outside of clamp.

Through the above technical solutions, grab squeezes elastic component by contradicting clamp, as grab persistently stretches into card slot, Grab no longer contradicts clamp, and under the spring return of elastic component, clamp is limited with grab inlay card, and clamp prevents the random of grab Sliding, to which door leaf must be opened optionally in doorframe.

The utility model is further arranged to：It is equipped with pedestal in the door leaf, on the peripheral wall of frizzen and thread barrel respectively It is fixedly connected with the first bulge loop and the second bulge loop, the first bulge loop and the second bulge loop are slidably connected with pedestal.

Through the above technical solutions, when frizzen and thread barrel rotate, in order to avoid thread barrel or frizzen are upper Lower direction is slided, the bulge loop inlay card cooperation on the limiting slot and pedestal opened up on thread barrel, to which thread barrel and frizzen are stablized Ground rotates.

The utility model is further arranged to：It is equipped with for the baffle to sliding bar stroke limit in the sliding slot.

Through the above technical solutions, block limits the sliding stroke of slide bar, so as to avoid the rotation due to frizzen The case where fully extended door leaf of slide bar caused by and.

The utility model is further arranged to：Side of the clamp far from latch hook is extended with pulls clamp for user Pulling block.

Through the above technical solutions, when user needs opened door leaf, user pulls toward the direction far from card slot and draws Block, pulling block drive clamp to slide by pull rod, to which clamp no longer coordinates with grab inlay card, at this point, user's turning door leaf is just It can opened door leaf.

The utility model is further arranged to：The sliding stroke being useful for clamp is fixedly connected on the peripheral wall of the clamp The position-arresting disk of limit.

Through the above technical solutions, when user pulls pull rod, position-arresting disk avoids pull rod and is completely pulled out by user Door leaf.

The utility model is further arranged to：It is coated with ammonium polyphosphate fire resistant coating on the door leaf.

Through the above technical solutions, ammonium polyphosphate fire resistant coating improves the fire resistance period and refractory ability of fire resistant doorsets, subtract The case where having lacked fire spread.

In conclusion the utility model has the advantages that：

1, it is equipped with conflict block, realizes linkage when door leaf is closed；

2, it is equipped with latch hook, door leaf is avoided and is pushed and opened by fire heat wave.

Description of the drawings

Fig. 1 is the whole structural schematic diagram of the present embodiment；

Fig. 2 is the present embodiment to highlight the structural schematic diagram of latch hook；

Fig. 3 be the present embodiment in order to highlight conflict block and put slot 13 position relationship structural schematic diagram；

Fig. 4 is the present embodiment to highlight the structural schematic diagram of retaining pin module；

Fig. 5 is the present embodiment to highlight the structural schematic diagram of the first bulge loop and the second bulge loop.

Reference numeral：1, doorframe；2, door leaf；3, latch hook；4, card slot；5, slide bar；6, thread barrel；7, limited block；8, sliding slot； 9, linkage gear；10, driving gear；11, frizzen；12, triggering block；13, slot is put；14, retaining pin module；15, clamp；16、 Sleeve；17, position-arresting disk；18, spring；19, reduction torsion spring；20, pulling block；21, pedestal；22, the first bulge loop；23, the second bulge loop； 24, baffle.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment：With reference to figure 1, a kind of fire resistant doorsets, including doorframe 1 and the hinged door leaf 2 of doorframe 1.

With reference to figure 2, it is equipped with latch hook 3 in door leaf 2, the upside of doorframe 1 offers the card slot 4 being inserted into for latch hook 3（Reference chart 4）.The downside of latch hook 3 is fixedly connected with slide bar 5, and the downside of slide bar 5 is threaded with thread barrel 6, in order to avoid slide bar 5 is in door It is rotated in fan 2, the limited block 7 for limiting the rotation of slide bar 5 is extended on the peripheral wall of slide bar 5, is offered for limited block in door leaf 2 The sliding slots 8 of 7 slidings are equipped with the baffle 24 for being limited to 5 sliding stroke of slide bar in sliding slot 8.Then made by the rotation of thread barrel 6 The movement of the slide bar 5 being threadedly coupled with it in above-below direction.

With reference to figure 2, linkage gear 9, axis and the thread barrel 6 of linkage gear 9 are fixedly connected on the peripheral wall of thread barrel 6 Axis overlaps, and 9 bridle joint of linkage gear has a driving gear 10, and driving gear 10 is coaxially connected with frizzen 11, frizzen 11 it is upper Side is fixedly connected with triggering block 12.

With reference to figure 3, door leaf 2 along figure X-direction rotation close when, and triggering block 12 just contradict on doorframe 1, with door leaf 2 lasting rotation, the direction rotation that triggering block 12 drives the X along figure of frizzen 11 opposite.It is offered on doorframe 1 tactile for contradicting Hair block 12 simultaneously drives what triggering block 12 rotated to put slot 13, and when door leaf 2 completely closes, triggering block 12 finally snaps onto and puts slot In 13.The bottom end of frizzen 11 is provided with reduction torsion spring 19, and reduction torsion spring 19 is rear in triggering block snaps onto and puts slot 13 to be occurred Deformation generates potential energy.

With reference to figure 3 and Fig. 4, triggering block 12 is persistently contradicted with slot 13 is put, to which triggering block 12 is touched by rotating to drive Bar 11 to be sent out to rotate, frizzen 11 drives linkage gear 9 to rotate by driving gear 10, and linkage gear 9 moves the rotation of thread barrel 6, To which thread barrel 6 moves up with moving slide-bar 5 and stretches into card slot 4, and the latch hook 3 on slide bar 5 is in card slot 4 and unlocked.

With reference to figure 4, in order to make latch hook 3 be fixed after extending into card slot 4, to avoid door leaf 2 from arbitrarily being opened The case where, retaining pin module 14 is fixedly connected in card slot 4.Retaining pin module 14 includes the clamp 15 coordinated with latch hook 3 and doorframe 1 The sleeve 16 being fixedly connected, clamp 15 are perforated through sleeve 16 and are slidably connected with sleeve 16, fixed on the peripheral wall of clamp 15 to connect It is connected to the position-arresting disk 17 for the sliding stroke limit to clamp, is equipped with spring 18 in sleeve 16, the both sides of spring 18 are supported respectively Touch the bottom wall and position-arresting disk 17 of sleeve.During latch hook 3 extend into card slot 4, latch hook 3 contradicts clamp 15 first, and latch hook 3 passes through 15 compressed spring 18 of clamp, with the lasting rising of latch hook 3, the deformation of spring 18 restores, and spring 18 pushes clamp 15 to slide into Original position and latch hook 3 is limited.Limit due to clamp 5 to latch hook 3, with the rotation of door leaf 2, latch hook 3 can not be downward Card slot 4 is stretched out, the case where door leaf 2 is arbitrarily opened is avoided.

With reference to figure 4, side of the clamp 15 far from latch hook 3 is fixedly connected with pulling block 20, and when fire occurs, user, which pulls, to be drawn Block 20, pulling block 20 drives clamp 15 to slide, and 17 compressed spring 18 of position-arresting disk, and clamp 15 no longer limits grab 3, meanwhile, User's turning door leaf 2 can be such that door leaf 2 opens.

With reference to figure 3, the bottom side of frizzen 11 is equipped with pedestal 21, and frizzen 11 is rotatable relative to pedestal 21, reduction torsion spring 19 are fixedly connected with driving gear 10 and conflict 21 respectively.When door leaf 2 is closed, puts slot 13 and conflict block 12 is driven to rotate, contradict For block 12 by frizzen 11 to drive driving gear 10 to rotate, reduction torsion spring 19, which deforms upon, generates deformation power；Door leaf 3 is opened When, triggering block 12 is gradually produced from putting in slot 13, and the deformation power of reduction torsion spring 19 makes frizzen 11 turn round, the position of triggering block 12 It sets and is restored to original position.

Offer the first bulge loop 22 and the second bulge loop 23 respectively with reference to figure 5, on the peripheral wall of frizzen 11 and thread barrel 6, the One bulge loop 22 and the second bulge loop 23 are slidably connected with pedestal 21, and the first bulge loop 22 and the second bulge loop 23 are respectively used to frizzen 11 and thread barrel 6 stroke limit.It is coated with ammonium polyphosphate fire resistant coating on door leaf 2, enhances the fire prevention energy of fire resistant doorsets Power.

Action process：

When door leaf 2 is closed, door leaf 2 drives triggering block 12 to rotate, and triggering block 12 contradicts and puts slot 13 on doorframe 1, by The axis rotation that slot 13 makes triggering block 12 around interlocking bar 11 is put while door leaf 2 rotates in the limit for putting slot 13, is triggered Block 12, which enters eventually into, to be put in slot 13.

When unlatching, triggering block 12 is gradually skidded off from putting in slot 13, and the deformation power of reduction torsion spring 19 is restored, reduction torsion spring 19 Interlocking bar 11 is driven to rotate, conflict block 12 finally turns to the position that it is entered before putting slot 13 and reentered for door leaf 2 To putting slot 13.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of fire resistant doorsets, including door leaf (2) and doorframe (1), characterized in that offer card slot (4) in the doorframe (1), block It is equipped with retaining pin module (14) in slot (4), the latch hook (3) being slidably matched with retaining pin module (14), latch hook (3) are equipped in door leaf (2) On be fixedly connected with slide bar (5), the limited block (7) for slide bar (5) rotary spacing is extended on slide bar (5), door leaf opens up in (2) There is the sliding slot (8) slided for limited block (7)；

Side of the slide bar (5) far from latch hook (3) is threaded with thread barrel (6), and the outer perimeter wall of screw thread is equipped with linkage gear (9), linkage tooth engagement has driving gear (10), driving gear (10) to be coaxially connected with frizzen (11), frizzen (11) and door (2) rotation connection is fanned, triggering block (12) is fixedly connected on frizzen (11), doorframe (1) is equipped with to be slid into for triggering block (12) Put slot (13).

2. a kind of fire resistant doorsets according to claim 1, it is characterized in that：The outside of the frizzen (11) is equipped with reduction torsion spring (19)。

3. a kind of fire resistant doorsets according to claim 1, it is characterized in that：The retaining pin module (14) include clamp (15), with The sleeve (16) that clamp (15) is slidably connected, elastic component is equipped in sleeve (16), and elastic component is set in the outside of clamp (15).

4. a kind of fire resistant doorsets according to claim 1, it is characterized in that：Pedestal (21), frizzen are equipped in the door leaf (2) (11) and on the peripheral wall of thread barrel (6) the first bulge loop (22) and the second bulge loop (23), the first bulge loop (22) have been respectively fixedly connected with It is slidably connected with pedestal (21) with the second bulge loop (23).

5. a kind of fire resistant doorsets according to claim 1, it is characterized in that：It is equipped in the sliding slot (8) for sliding to slide bar (5) The baffle (24) of dynamic stroke limit.

6. a kind of fire resistant doorsets according to claim 3, it is characterized in that：Prolong side of the clamp (15) far from latch hook (3) Stretch the pulling block (20) for having and pulling clamp (15) for user.

7. a kind of fire resistant doorsets according to claim 3, it is characterized in that：It is fixedly connected on the peripheral wall of the clamp (15) useful In the position-arresting disk (17) of the sliding stroke limit to clamp (15).

8. a kind of fire resistant doorsets according to claim 1, it is characterized in that：It is coated with polyphosphoric acid on the door leaf (2) Ammonium fire resistant coating.