CN208534201U - A kind of steel heat-insulating fireproof door - Google Patents

Abstract

The utility model discloses a kind of steel heat-insulating fireproof doors, including doorframe, and be connected by a hinge the door-plate on doorframe, and the door lock being connected on door-plate；Internal handle and outer handle have been provided opposite on door lock；Internal handle is separate structure, including the first bumping square being connected on door lock, it is vertically connected on that on the first bumping square and there are second bumping squares in finger grip space between door lock, be threaded in the first elastic extension structure in the first blind hole on the first bumping square by screw thread inner sleeve, and in the second blind hole being arranged on the second bumping square and can pass through the first bumping square on first through hole be resisted against the second elastic extension structure on the first elastic extension structure；After second elastic extension structure disengages the first elastic extension structure, the second through-hole on the first bumping square can be passed through；Door-plate can be effectively prevented to accidental switch off, and operated in handle position, do not need to bend over, operate more convenient.

Description

A kind of steel heat-insulating fireproof door

Technical field

The utility model relates to fire resistant doorsets technical fields, in particular to a kind of steel heat-insulating fireproof door.

Background technique

Fire resistant doorsets are a kind of fire separations that can meet fire stability, integrality and thermal insulation within a certain period of time Object；It is broadly applied the multiple fields such as private residence, ship, building, chemical industry, mechanical engineering；Wherein in use, going out in private residence Now cross such situation；People forget to carry key, door is by wind to doorway, and when cleaning to the stair of part The case where closing after dynamic or smoothly being closed by people；Usual way is that a ground pin is filled on door, opens a hole on ground, or Person installs the adsorption structure with magnet；The first structure needs when installation unsightly, and to use in surface drilling When, it needs to bend over, it is inconvenient for operation；Second of structure, magnet are easy to be damaged, and service life is short.

Summary of the invention

The utility model aim is to provide a kind of steel heat-insulating fireproof door with adjustable handle grip, solves the above technology Problem.

In order to achieve the above technical purposes, reach above-mentioned technical requirements, the technical scheme adopted by the utility model is A kind of steel heat-insulating fireproof door, including doorframe, be connected by a hinge the door-plate on doorframe, and is connected on door-plate and is used for The door lock of door-plate is turned on or off with doorframe cooperation；Internal handle and outer handle have been provided opposite on the door lock；Its feature Be: it is rectangular convex to be vertically connected on first including the first bumping square being connected on door lock for separate structure for the Internal handle It is on block and there are second bumping squares in finger grip space between door lock, first is threaded in by screw thread inner sleeve In first elastic extension structure in the first blind hole on bumping square, and the second blind hole for being arranged on the second bumping square simultaneously And the first through hole that can be passed through on the first bumping square is resisted against the second elastic extension structure on the first elastic extension structure； After second elastic extension structure disengages the first elastic extension structure, can pass through on the first bumping square second is led to Hole；First elastic extension structure includes being movably connected in upper first telescopic shaft of set in screw thread, is covered in the first telescopic shaft On and the first spring for being resisted against on screw thread inner sleeve inner wall, and be connected on the first telescopic shaft and be resisted against screw thread Pulling plate on outer wall of inside race；Second elastic extension structure includes the second spring being arranged in the second blind hole, and sliding The second telescopic shaft that is on the dynamic elongated slot being connected on the second bumping square and being through in second spring at one end.

As a preferred technical scheme: the door-plate includes panel, the backboard being connected on panel, and is arranged in face The first asbestos board, perlite abatvoix and the second asbestos board between plate and backboard；The backboard is " Π " shape structure, bottom Edge on be provided with the first chimb；It after the panel passes through the second chimb bending, is compressed with the first chimb, is formed and used In the cavity for positioning the first asbestos board, perlite abatvoix and the second asbestos board.

As a preferred technical scheme: first telescopic shaft includes being through the T covered in upper third through-hole in screw thread Shape axis, and the square baffle for being used to stop the second telescopic shaft being connected in the portion of T shape shaft end.

As a preferred technical scheme: the V-arrangement with the cooperation of the second telescopic shaft end is provided on the square baffle Slot, and the first arc groove being bonded with the second telescopic shaft outer circle.

As a preferred technical scheme: the pulling plate is connected in the portion of T shape shaft end by sunk screw, and in outer circle It is provided with the second arc groove pinched convenient for finger.

As a preferred technical scheme: second bumping square penetrates countersunk head by two symmetrically arranged flangings Screw connects on the first bumping square；L shape structure is formed between second bumping square and the first bumping square.

As a preferred technical scheme: second telescopic shaft includes the long axis with conical head, is connected on long axis For blocking the boss of second spring, and be connected on long axis and be slidably connected on elongated slot, for driving length The slide block of axis shift position.

As a preferred technical scheme: the cross section of the elongated slot is " T " shape structure.

The beneficial effects of the utility model are: a kind of steel heat-insulating fireproof door, compared with traditional structure: by Internal handle fission Setting forms the first bumping square and the second bumping square, the first elastic extension structure is provided on the first bumping square, The second elastic extension structure is provided on second bumping square；When enabling cleaning, door is opened first, the right hand holds Two bumping squares, hand thumb are pinned the slide block on the second elastic extension structure, are remained stationary, and left-hand finger pinches on pulling plate The second arc groove, pull the first telescopic shaft, feel the first spring when killing, hand thumb is come up, the second telescopic shaft Pop-up, left hand unclamp, and the second telescopic shaft protrusion blocks door lock and doorframe cooperates outside door-plate at this time；Can effectively it prevent Only door-plate accidental switches off, and operates in handle position, does not need to bend over, operate more convenient.

Detailed description of the invention

Fig. 1 is the utility model three dimensional structure diagram；

Fig. 2 is the structural schematic diagram of the utility model Internal handle when not in use；

Fig. 3 is the A-A partial sectional view in the utility model Fig. 2；

Fig. 4 is the first telescopic shaft right view in the utility model Fig. 2；

Fig. 5 is the utility model Internal handle real use state structural schematic diagram；

Fig. 6 is the utility model main view；

Fig. 7 is the B-B partial sectional view in the utility model Fig. 6；

Fig. 8 is the backboard bottom view in the utility model Fig. 7；

Respective name represented by number in figure: 1. doorframes, 2. hinges, 3. door-plates, 4. door locks, 5. Internal handles, 6. outer grips Hand, 7. first bumping squares, 8. first elastic extension structures, 9. second bumping squares, 10. screw thread inner sleeves, 11. second blind holes, 12. the second elastic extension structure, 13. first telescopic shafts, 14. first springs, 15. pulling plates, 16. second springs, 17. second are stretched Axis, 18. flangings, 701. first through hole, 702. second through-holes, 703. first blind holes, 901. elongated slots, 301. panels, 302. backboards, 303. first asbestos boards, 304. perlite abatvoixs, 305. second asbestos boards, 306. first chimbs, 307. second chimbs, 10- 1. third through-hole, 13-1.T shape axis, 13-2. square baffle, 13-3.V shape slot, the first arc groove of 13-4., 15-1. second Arc groove, 17-1. conical head, 17-2. long axis, 17-3. boss, 17-4. slide block, 111. finger grip spaces.

Specific embodiment

The utility model is further described with reference to the accompanying drawing；

In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8: first embodiment:

A kind of steel heat-insulating fireproof door, including doorframe 1 are connected to the door-plate 3 on doorframe 1 by hinge 2, and are connected to It is used to cooperate the door lock 4 for being turned on or off door-plate 3 with doorframe 1 on door-plate 3；Interior has been provided opposite on the door lock 4 Hand 5 and outer handle 6；The door-plate 3 includes panel 301, the backboard 302 being connected on panel 301, and setting in panel The first asbestos board 303, perlite abatvoix 304 and the second asbestos board 305 between 301 and backboard 302；The backboard 302 For " Π " shape structure, the first chimb 306 is provided on the edge of bottom；The panel 301 passes through 307 folding of the second chimb It after curved, compresses, is formed for positioning the first asbestos board 303, perlite abatvoix 304 and the second asbestos board with the first chimb 306 305 cavity；Positioning, and spot welding are compressed by the first chimb 306 and the second chimb 307 between panel 301 and backboard 302, It ensure that reliability of structure；Pass through bonding between first asbestos board 303, perlite abatvoix 304 and the second asbestos board 305 Mode connects, for example uses SL8306 inorganic adhesive, ensure that the effect of fire prevention, sound insulation；

The Internal handle 5 is separate structure, including the first bumping square 7 being connected on door lock 4, is vertically connected on the It is on one bumping square 7 and between door lock 4 there are second bumping square 9 in finger grip space 111, pass through screw thread inner sleeve 10 are threaded in the first elastic extension structure 8 in the first blind hole 703 on the first bumping square 7, and are arranged in second party In the second blind hole 11 on shape convex block 9 and the first through hole 701 on the first bumping square 7 can be passed through it is resisted against the first elasticity The second elastic extension structure 12 on stretching structure 8；Second elastic extension structure 12 disengages the first elastic extension structure 8 Afterwards, the second through-hole 702 on the first bumping square 7 can be passed through；First elastic extension structure 8 includes being movably connected in The first telescopic shaft 13 in screw thread inner sleeve 10, cover it is on the first telescopic shaft 13 and be resisted against on 10 inner wall of screw thread inner sleeve One spring 14, and pulling plate 15 that is being connected on the first telescopic shaft 13 and being resisted against on 10 outer wall of screw thread inner sleeve；Described Second elastic extension structure 12 includes the second spring 16 that is arranged in the second blind hole 11, and to be slidably connected at second rectangular convex The second telescopic shaft 17 that is on elongated slot 901 on block 9 and being through in second spring 16 at one end；It is provided with 702 He of the second through-hole Elongated slot 901 after long-term use, has dust accumulation, needs periodically to be cleared up, since handle can all use daily, so grey Dirt problem, it is not important, do not influence normal use；In actual use, first by 14 sets of the first spring in the first telescopic shaft 13 On, it is through in screw thread inner sleeve 10 by the first telescopic shaft 13, then sunk screw positioning is penetrated by pulling plate 15, entirely through screw thread Inner sleeve 10 is threaded on the first bumping square 7；Second spring 16 is put into the second blind hole 11 again, by the second telescopic shaft 17 Cooperation penetrates sunk screw entirely through flanging 18 and is connected on the first bumping square 7 on elongated slot 901；The second party L shape structure is formed between shape convex block 9 and the first bumping square 7；When not in use, it is flexible to be resisted against first for the second telescopic shaft 17 On axis 13；When enabling cleaning, door is opened first, the right hand holds the second bumping square 9, and hand thumb pins the second bullet Property stretching structure 12 on slide block 17-4, remain stationary, left-hand finger pinches the second arc groove 15-1 on pulling plate 15, draw Dynamic first telescopic shaft 13, when feeling that the first spring 14 kills, hand thumb is come up, the pop-up of the second telescopic shaft 17, left hand pine It opens, the second telescopic shaft 17 protrusion blocks door lock 4 and doorframe 1 cooperates outside door-plate 3 at this time；Door-plate 3 can be effectively prevented It accidental switches off, and is operated in handle position, do not need to bend over, operate more convenient；After the completion of cleaning, left-hand finger pinches drawing The second arc groove 15-1 on plate 15 pulls the first telescopic shaft 13, feels that the first spring 14 kills, remains stationary, right hand thumb Refer to the slide block 17-4 pinned on the second elastic extension structure 12, pull slide block 17-4, until slide block 17-4 reaches elongated slot 901 bottoms, first unclamp left hand at this time, unclamp again the right hand, and the second telescopic shaft 17 is in contraction state；Regardless of going back in use state It is the state not used normally, the first spring 14 and second spring 16 need to remain compressive state, certain elastic force is generated, It ensure that the first elastic extension structure 8 and the second elastic extension structure 12 can ensure that reliability of structure against each other.

In Fig. 4: first telescopic shaft 13 includes the T shape axis in the third through-hole 10-1 being through in screw thread inner sleeve 10 13-1, and the square baffle 13-2 for being used to stop the second telescopic shaft 17 being welded on the end T shape axis 13-1；Described four Be provided on rectangular baffle 13-2 with 17 end of the second telescopic shaft cooperation V-shaped groove 13-3, and with 17 outer circle of the second telescopic shaft First arc groove 13-4 of fitting；In actual use, cooperated by being provided with V-shaped groove 13-3 and conical head 17-1, V-shaped groove 13-3 plays the role of guiding when the first telescopic shaft 13 is drawn out, and reduces the contact area with conical head 17-1, friction Power is relatively small, is conducive to the first telescopic shaft 13 and is drawn out；Being provided with the first arc groove 13-4 can be with the second telescopic shaft 17 Outer circle is reliably bonded, and forms guiding, prevents the first telescopic shaft 13 and the second telescopic shaft 17 in movement, due to friction, is occurred small The stability of the rotation of range, movement is more preferable.

In Fig. 5: the pulling plate 15 is connected on the end T shape axis 13-1 by sunk screw, and is arranged in outer circle There is the second arc groove 15-1 pinched convenient for finger；By being detachably connected for the shape end axis 13-1 pulling plate 15 and T, installation is torn open It unloads more convenient；Second arc groove 15-1 ensure that finger can easily pinch pulling plate 15, so that operation is more smooth.

In Fig. 2, Fig. 3, Fig. 5: second telescopic shaft 17 includes the long axis 17-2 with conical head 17-1, is connected to On long axis 17-2 for blocking the boss 17-3 of second spring 16, and be connected on long axis 17-2 and be slidably connected On elongated slot 901, for driving the slide block 17-4 of the shift position long axis 17-2；The cross section of the elongated slot 901 is " T " Shape structure；In actual use, slide block 17-4 and long axis 17-2 are integrally welded, and the elongated slot 901 of " T " shape structure is conducive to Slide block 17-4 can be slided freely, and when long axis 17-2 stretches out, slide block 17-4 is resisted against on the first bumping square 7, is had The effect of limit.

Working principle of the utility model is: the first elastic extension structure 8 is utilized and the second elastic extension structure 12 can It is free flexible, it is mutual against, the second elastic extension structure 12 is protruded outside door-plate 3, block door lock 4 with Doorframe 1 cooperates, and is effectively prevented door-plate 3 and accidental switches off.

In the utility model description, it is to be understood that term " between ", "inner", "outside", the instruction such as "left", "right" Orientation or positional relationship is to be merely for convenience of description the utility model based on positional relationship described in attached drawing or simplified description, Rather than the specific orientation that instruction must have；Operating process described in embodiment is not absolute use step, practical In use, corresponding adjustment can be done.

Above-described embodiment is only intended to clearly illustrate description made by the utility model, and not to the limit of embodiment It is fixed, to those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description Or change, there is no necessity and possibility to exhaust all the enbodiments, and the obvious variation thus amplified out Or it changes among still in the protection scope of the utility model.

Claims (8)

1. a kind of steel heat-insulating fireproof door, including doorframe (1) are connected to the door-plate (3) on doorframe (1) by hinge (2), and The door lock (4) for being used to be turned on or off door-plate (3) with doorframe (1) cooperation being connected on door-plate (3)；The door lock (4) On be provided opposite to Internal handle (5) and outer handle (6)；It is characterized in that: the Internal handle (5) is separate structure, including connection The first bumping square (7) on door lock (4) is vertically connected on the first bumping square (7) and stays between door lock (4) There is second bumping square (9) in finger grip space (111), the first bumping square is threaded in by screw thread inner sleeve (10) (7) the first elastic extension structure (8) in the first blind hole (703) on, and second be arranged on the second bumping square (9) are blind In hole (11) and the first through hole (701) that can pass through on the first bumping square (7) is resisted against the first elastic extension structure (8) On the second elastic extension structure (12)；After second elastic extension structure (12) disengages the first elastic extension structure (8), The second through-hole (702) on the first bumping square (7) can be passed through；First elastic extension structure (8) includes that activity connects The first telescopic shaft (13) on screw thread inner sleeve (10) is connect, cover on the first telescopic shaft (13) and is resisted against screw thread inner sleeve (10) the first spring (14) on inner wall, and be connected on the first telescopic shaft (13) and be resisted against screw thread inner sleeve (10) outside Pulling plate (15) on wall；Second elastic extension structure (12) includes the second spring being arranged in the second blind hole (11) (16), and on the elongated slot (901) that is slidably connected on the second bumping square (9) and be through in second spring (16) at one end The second telescopic shaft (17).

2. a kind of steel heat-insulating fireproof door according to claim 1, it is characterized in that: the door-plate (3) includes panel (301), the backboard (302) being connected on panel (301), and the first stone being arranged between panel (301) and backboard (302) Cotton plate (303), perlite abatvoix (304) and the second asbestos board (305)；The backboard (302) is " Π " shape structure, bottom Edge on be provided with the first chimb (306)；After the panel (301) passes through the second chimb (307) bending, with first Chimb (306) compresses, and is formed for positioning the first asbestos board (303), perlite abatvoix (304) and the second asbestos board (305) Cavity.

3. a kind of steel heat-insulating fireproof door according to claim 1, it is characterized in that: first telescopic shaft (13) includes The T shape axis (13-1) being through in the third through-hole (10-1) on screw thread inner sleeve (10), and be connected on the end T shape axis (13-1) For stopping the square baffle (13-2) of the second telescopic shaft (17).

4. a kind of steel heat-insulating fireproof door according to claim 3, it is characterized in that: on the square baffle (13-2) It is provided with the V-shaped groove (13-3) with the cooperation of the second telescopic shaft (17) end, and the be bonded with the second telescopic shaft (17) outer circle One arc groove (13-4).

5. a kind of steel heat-insulating fireproof door according to claim 3, it is characterized in that: the pulling plate (15) passes through countersunk head spiral shell Nail is connected on the end T shape axis (13-1), and the second arc groove (15-1) pinched convenient for finger is provided in outer circle.

6. a kind of steel heat-insulating fireproof door according to claim 1, it is characterized in that: second bumping square (9) is logical Two symmetrically arranged flangings (18) are crossed, are penetrated in sunk screw connection the first bumping square (7)；Second bumping square (9) L shape structure is formed between the first bumping square (7).

7. a kind of steel heat-insulating fireproof door according to claim 1, it is characterized in that: second telescopic shaft (17) includes Long axis (17-2) with conical head (17-1), the boss for being used to block second spring (16) being connected on long axis (17-2) (17-3), and be connected on long axis (17-2) and be slidably connected on elongated slot (901), for driving long axis (17- 2) slide block (17-4) of shift position.

8. a kind of steel heat-insulating fireproof door according to claim 7, it is characterized in that: the cross section of the elongated slot (901) For " T " shape structure.