CN210948365U

CN210948365U - Novel hidden hinge steel fireproof door

Info

Publication number: CN210948365U
Application number: CN201921640002.1U
Authority: CN
Inventors: 刘炎杰
Original assignee: Guangzhou Shield Door Manufacturing Co ltd
Current assignee: Guangzhou Shield Door Manufacturing Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-07
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a novel hidden hinge steel prevents fire door, including the door body, rack, auxiliary spring, fire prevention expansion seal strip, fire-retardant core, packing fire-proof material and smoke alarm, the door body all is equipped with fire prevention strip all around, door body front side is equipped with the cat eye, cat eye lower extreme is equipped with the fixed block, fire-retardant core one side is equipped with pack fire-proof material, it is equipped with to pack fire-proof material one side smoke alarm, door body one side is equipped with the door frame, pass through hidden hinged joint between door frame and the door body, be equipped with the recess in the middle of the hidden hinge, the recess upper end is equipped with the hidden hinge piece. The utility model discloses set up smoke alarm and provide the alarming action for the conflagration, set up fire prevention expansion sealing strip, if fire prevention expansion sealing strip meets fire meeting automatic expansion when taking place the conflagration, stop up a gap, adopt novel blind hinge to have and do not influence the holistic pleasing to the eye of door, the effect of destruction door can't be reached through destroying the hinge in the outside to the layman, has very strong practicality.

Description

Novel hidden hinge steel fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, particularly, relate to a novel hidden hinge steel prevents fire door.

Background

The fireproof door is a door with fire resistance, and is used for blocking air circulation between two spaces when a fire disaster happens, preventing diffusion of dense smoke, toxic gas and hot gas, resisting fire for a certain time and delaying or controlling fire spreading. Therefore, fire doors play a crucial role in the event of a fire. At present, the fireproof door is widely applied to many fields such as residences, ships, buildings, chemical engineering, mechanical engineering and the like. The common fireproof doors are all metal doors, and the fire spreading can be effectively prevented by utilizing the characteristic of high melting point of metal. However, some fireproof doors in the market at present are not easily burnt out due to the skeleton structure, but are easily deformed due to the high temperature effect of long-time combustion after being heated due to different materials and densities, and the deformation amount cannot be compensated by the expansion of the sealing element after the sealing element is deformed to a certain degree, so that the diffusion of dense smoke, toxic gas and hot gas cannot be isolated, and further, the fire spreading cannot be effectively prevented. Once a fire occurs, the safety of people's lives and properties is threatened seriously.

The existing fireproof door can slow down the spread of fire in safe escape time, but the strength of the fireproof door is not enough, and the fireproof door can be deformed and damaged frequently, so that the normal use of the fireproof door in fire is influenced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel hidden hinge steel prevents fire door to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel hidden hinge steel fireproof door comprises a door body, a gear, a rack, an auxiliary spring, a fireproof expansion sealing strip, a fireproof core, a filled fireproof material and a smoke alarm, wherein the fireproof strip is arranged on the periphery of the door body, a cat eye is arranged on the front side of the door body, a fixing block is arranged at the lower end of the cat eye, a door leaf is arranged on the inner side of the door body, the auxiliary spring is arranged on one side of the door leaf, a push rod is arranged on one side of the auxiliary spring, a sleeve is arranged on one side of the push rod, a sliding rod is arranged on one side of the sleeve, the rack is connected to one side of the sliding rod, the gear is arranged at the upper end of the rack, the fireproof expansion sealing strip is arranged on the inner side of the door body, the fireproof expansion sealing strip is arranged on one side of the, the door frame is connected with the door body through a hidden hinge, a groove is arranged in the middle of the hidden hinge, and a hidden hinge block is arranged at the upper end of the groove.

Furthermore, a lock catch is arranged on one side of the rack and fixedly connected with the rack, and the rack is rotatably connected with the gear.

Furthermore, the auxiliary spring is movably connected with the sliding rod, and the rack is fixedly connected with the sliding rod.

Furthermore, a bolt is arranged on the front side of the blind hinge, and the door body is connected with the door frame through the blind hinge and the threaded bolt.

Furthermore, the fixed block is in threaded connection with the door body, and the fireproof strip is bonded with the door body.

Furthermore, a handle is arranged in the middle of the fixing block and fixedly connected with the fixing block.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a novel hidden hinge steel prevents fire door has set up smoke alarm and has provided the alarming action for the conflagration, and the reply of being convenient for in time of making has set up fire prevention expansion sealing strip, and fire prevention expansion sealing strip meets fire meeting automatic expansion when taking place the conflagration, stops up a gap, and under the combined action with fire-retardant core, the effect of playing the fire prevention that can be fine.

(2) The utility model discloses the hinge adopts novel blind hinge, adopts novel blind hinge to have and does not influence the holistic pleasing to the eye of door, and the effect of destruction door can't be reached through destroying the hinge in the outsider, has very strong practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a novel hidden hinge steel fireproof door according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a front side of a door body of a novel hidden hinge steel fireproof door according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the interior of a door body of a novel hidden hinge steel fireproof door according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram at a in the embodiment of the present invention.

Reference numerals:

1. a door body; 2. a door leaf; 3. a gear; 4. a rotating shaft; 5. a rack; 6. locking; 7. a push rod; 8. an auxiliary spring; 9. a slide bar; 10. a sleeve; 11. a cat eye; 12. a door frame; 13. a fixed block; 14. a handle; 15. a fire-resistant strip; 16. a fire-resistant intumescent sealing strip; 17. a flame retardant core; 18. filling a fireproof material; 19. a smoke alarm; 20. a bolt; 21. a groove; 22. a hidden hinge block; 23. a blind hinge.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-4, a novel hidden hinge steel fireproof door according to an embodiment of the present invention includes a door body 1, a gear 3, a rack 5, an auxiliary spring 8, a fireproof expansion sealing strip 16, a flame retardant core 17, a filled fireproof material 18 and a smoke alarm 19, the door body 1 is provided with fireproof strips 15 all around, the front side of the door body 1 is provided with a cat eye 11, the lower end of the cat eye 11 is provided with a fixing block 13, the inner side of the door body 1 is provided with a door leaf 2, one side of the door leaf 2 is provided with the auxiliary spring 8, one side of the auxiliary spring 8 is provided with a push rod 7, one side of the push rod 7 is provided with a sleeve 10, one side of the sleeve 10 is provided with a sliding rod 9, one side of the sliding rod 9 is connected with the rack 5, the upper end of the rack 5 is provided with the gear 3, the inner side of the, the main effect of fire prevention inflation sealing strip 16 is that the circulation of air in the outer and the door of stop door, fire-retardant core 17 one side is equipped with fill fire-proof material 18, it is equipped with to fill fire-proof material 18 one side smoke alarm 19, door 1 one side is equipped with door frame 12, be connected through blind hinge 23 between door frame 12 and the door 1, be equipped with recess 21 in the middle of the blind hinge 23, the recess 21 upper end is equipped with blind hinge piece 22.

Through the above technical scheme of the utility model, rack 5 one side is equipped with hasp 6,

hasp

6 and 5 fixed connection of rack, rack 5's main effect drives gear revolve, rack 5 rotates with gear 3 to be connected, auxiliary spring 8 and slide bar 9 swing joint, rack 5 and slide bar 9 fixed connection, it is cotton board for centrifugal glass to fill fire-proof material 18, and the material of fire prevention strip 15 mainly is graphite, and fire prevention strip 15 has very strong fire behavior, hidden hinge 23 front side is equipped with bolt 20, and hidden hinge has fine protection and fire behavior, door body 1 is connected with 12 threaded bolt 20 of door frame through hidden hinge 23,

fixed block

13 and 1 threaded connection of door body, fire prevention strip 15 bonds with door body 1, be equipped with handle 14 in the middle of fixed block 13, handle 14 and fixed block 13 fixed connection.

When in specific application, the utility model relates to a novel hidden hinge steel fireproof door, a smoke alarm 19 is arranged to provide an alarm function for fire, which is convenient for timely response, a fireproof expansion sealing strip 16 is arranged, if the fire occurs, the fireproof expansion sealing strip 16 can automatically expand when meeting fire to block a door gap, under the combined action of the fireproof expansion sealing strip and a flame-retardant core 17, the fireproof effect can be well played, when a user needs to open a door leaf 2, the sliding rod 9 is slid towards a direction far away from a lock catch 6, when the sliding rod is abutted against one side of a lock groove far away from a rack 5, the sliding rod drives the rack to slide along with the continuous pushing of the sliding rod 9, so that the lock catch 6 slides out from a clamping groove, at the moment, the user can slide the sliding rod 9 downwards to enable the sliding rod 9 to be in spacing fit with the door leaf 2, the lock catch 6 is prevented from being stretched into again to lock the door, the effect of destroying the door can not be achieved by outsiders through destroying the hinges, and the door has strong practicability.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The novel hidden hinge steel fireproof door is characterized by comprising a door body (1), a gear (3), a rack (5), an auxiliary spring (8), a fireproof expansion sealing strip (16), a flame-retardant core (17), a filling fireproof material (18) and a smoke alarm (19), wherein the fireproof strips (15) are arranged on the periphery of the door body (1), a cat eye (11) is arranged on the front side of the door body (1), a fixing block (13) is arranged at the lower end of the cat eye (11), a door leaf (2) is arranged on the inner side of the door body (1), the auxiliary spring (8) is arranged on one side of the door leaf (2), a push rod (7) is arranged on one side of the auxiliary spring (8), a sleeve (10) is arranged on one side of the push rod (7), a slide rod (9) is arranged on one side of the sleeve (10), the rack (5) is connected with the rack (5), the fire prevention inflation sealing strip (16) is equipped with to door body (1) inboard, fire prevention inflation sealing strip (16) one side is equipped with fire retardant core (17), fire retardant core (17) one side is equipped with fill fire-proof material (18), it is equipped with to fill fire-proof material (18) one side smoke alarm (19), door body (1) one side is equipped with door frame (12), be connected through blind hinge (23) between door frame (12) and door body (1), be equipped with recess (21) in the middle of blind hinge (23), recess (21) upper end is equipped with blind hinge piece (22).

2. The novel hidden hinge steel fireproof door as claimed in claim 1, wherein a latch (6) is arranged on one side of the rack (5), the latch (6) is fixedly connected with the rack (5), and the rack (5) is rotatably connected with the gear (3).

3. The novel hidden-hinge steel fireproof door as claimed in claim 1, wherein the auxiliary spring (8) is movably connected with the sliding rod (9), and the rack (5) is fixedly connected with the sliding rod (9).

4. A new type of hidden hinged steel fire rated door as claimed in claim 1, characterized by the fact that the filling fire rated material (18) is a centrifugal glass wool board and the fire rated strip (15) is mainly made of graphite.

5. The novel hidden hinge steel fireproof door as claimed in claim 1, wherein bolts (20) are arranged on the front side of the hidden hinge (23), and the door body (1) is connected with the door frame (12) through the hidden hinge (23) and the threaded bolts (20).

6. The novel hidden hinge steel fireproof door as claimed in claim 1, wherein the fixing block (13) is in threaded connection with the door body (1), and the fireproof strip (15) is bonded with the door body (1).

7. A new hidden hinged steel fire door as claimed in claim 1, characterized by that, a handle (14) is provided in the middle of the fixed block (13), said handle (14) is fixedly connected with the fixed block (13).