CN213330526U

CN213330526U - Steel fireproof smoke-proof airtight door

Info

Publication number: CN213330526U
Application number: CN202021416115.6U
Authority: CN
Inventors: 高向明; 纪伟
Original assignee: Jiman Jiangsu Special Door Co ltd
Current assignee: Jiman Jiangsu Special Door Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-01
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to the technical field of airtight doors, in particular to a steel fireproof smoke-proof airtight door, which comprises a bearing door leaf and a rotating device, wherein the bearing door leaf is fixedly connected with a fixed door frame through the rotating device; install the rotating device in bearing door leaf and fixed door frame hookup location department through the design, realized the quick installation to bearing door leaf and fixed door frame, and install the axis of rotation pole seat on articulated dashpot through the design to and the fixed axle sleeve of cooperation installation on bearing door leaf, guaranteed the fixed stability of bearing door leaf and fixed door frame combination, and install first fixing support and second fixing support on articulated dashpot through the design, convenient dismantlement to the axis of rotation pole seat is maintained.

Description

Steel fireproof smoke-proof airtight door

Technical Field

The utility model relates to a sealed door technical field especially relates to a fire prevention smoke protection sealed door of steel.

Background

The sealing door is used in the passage of the underground main substation and the main drainage pump room to the underground parking lot and is easy to close so as to prevent water from suddenly immersing. The door leaf of the airtight door is formed by assembling and welding a flat steel plate, a # -shaped rib plate, a ring beam and the like.

Present steel fire prevention smoke protection airtight door is when using, and it is articulated through the axle piece mostly between door leaf and the circle frame, extremely inconvenient quick dismantlement maintenance that carries on, cause very big puzzlement for the user, and general detachable package assembly, stability is relatively poor, inconvenient frequent pull dismouting of carrying on to greatly reduced the security of airtight door, for this provides a steel fire prevention smoke protection airtight door, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel fire prevention smoke protection airtight door convenient to fast assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a steel fireproof and smoke-proof airtight door comprises a bearing door leaf and a rotating device, wherein the bearing door leaf is fixedly connected with a fixed door frame through the rotating device, the rotating device comprises a hinged buffer groove arranged on one side of the fixed door frame and a fixed shaft sleeve correspondingly arranged on one side of the bearing door leaf, a rotating shaft rod seat is arranged on the inner side of the hinged buffer groove, a limiting telescopic column is fixedly arranged at the rear surface position of the rotating shaft rod seat, a limiting hole position for the limiting telescopic column to be inserted is arranged on the inner side of the hinged buffer groove, an installation sealing cover is arranged at the top of the rotating shaft rod seat, a fixed guide rod is arranged at the central position of the bottom of the installation sealing cover, the fixed guide rod is inserted in the rotating shaft rod seat, a second blocking block is fixedly arranged at the top of the installation sealing cover, and a first blocking block is fixedly arranged at the bottom of the rotating shaft rod seat, just the inboard fixed mounting of articulated dashpot has the second fixing support that supplies the fixed of second separation piece, just the inboard fixed mounting of articulated dashpot has the first fixing support that supplies the fixed of first separation piece, just all install bolt assembly on first fixing support and the second fixing support, wherein fixed axle sleeve suit is in the outside of axis of rotation pole seat.

Preferably, the bolt assembly comprises a screw and a nut, the second fixing support and the first fixing support are matched with each other to be provided with a fixing hole for the screw to penetrate through, and the screw penetrates through the fixing hole and is fixed with the nut in a screwing mode.

Preferably, the outer side of the hinged buffer slot is hinged and fixed with a dustproof cover, and a rotary hole position is arranged at the position of the dustproof cover corresponding to the superposition position of the fixed shaft sleeve.

Preferably, the outer side of the limiting telescopic column is provided with a thread, and the rotating shaft rod seat is provided with a threaded hole for screwing the limiting telescopic column.

Preferably, the fixed shaft sleeve and the bearing door leaf are fixedly connected through a screw.

Preferably, the hinge buffer slot and the first fixing support are fixedly connected through a screw, and the hinge buffer slot and the second fixing support are fixedly connected through a screw.

Preferably, the second blocking block and the mounting cover are fixedly connected through screws, and the first blocking block and the rotating shaft rod seat are fixedly connected through screws.

The utility model discloses possess following beneficial effect at least:

1. install the rotating device in bearing door leaf and fixed door frame hookup location department through the design, realized the quick installation to bearing door leaf and fixed door frame, and install the axis of rotation pole seat on articulated dashpot through the design to and the fixed axle sleeve of cooperation installation on bearing door leaf, guaranteed the fixed stability of bearing door leaf and fixed door frame combination, and install first fixing support and second fixing support on articulated dashpot through the design, convenient dismantlement to the axis of rotation pole seat is maintained.

2. Install dustproof the covering on articulated dashpot through the design, realized handling the dustproof of articulated dashpot, and increased the theftproof performance of device, and install the spacing flexible post on the axis of rotation pole seat through the design, very big increase the stability of fixed axle sleeve and axis of rotation pole seat in the use, avoided the axis of rotation pole seat to follow the pivoted condition.

Drawings

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

Fig. 1 is a schematic view of the overall front structure of the present invention;

fig. 2 is a schematic view of a partial structure of the fixed doorframe of the present invention;

FIG. 3 is a schematic view of the structure of the rotating shaft seat of the present invention;

fig. 4 is a schematic diagram of the explosion structure of fig. 3 in the present invention.

In the figure: 1. a load-bearing door leaf; 2. fixing the door frame; 3. fixing the shaft sleeve; 4. dust-proof covering; 5. the buffer groove is hinged; 6. a first fixed support; 7. a second fixed support; 8. a bolt assembly; 9. a rotating shaft base; 10. limiting the telescopic column; 11. a first barrier block; 12. installing a sealing cover; 13. a second barrier block; 14. fixing the guide rod; 15. and (3) a noise reduction rubber mat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a steel fireproof and smoke-proof airtight door comprises a bearing door leaf 1 and a rotating device, wherein the bearing door leaf 1 and a fixed door frame 2 are fixedly connected through the rotating device, the rotating device comprises a hinged buffer tank 5 arranged on one side of the fixed door frame 2 and a fixed shaft sleeve 3 correspondingly arranged on one side of the bearing door leaf 1, a rotating shaft rod seat 9 is arranged on the inner side of the hinged buffer tank 5, a limit telescopic column 10 is fixedly arranged on the rear surface position of the rotating shaft rod seat 9, a limit hole position for the limit telescopic column 10 to be inserted is arranged on the inner side of the hinged buffer tank 5, an installation seal cover 12 is arranged on the top of the rotating shaft rod seat 9, a fixed guide rod 14 is arranged on the center position of the bottom of the installation seal cover 12, the fixed guide rod 14 is inserted on the inner side of the rotating shaft rod seat 9, and a second blocking block 13 is fixedly arranged on the top of the, and the bottom fixed mounting of axis of rotation pole seat 9 has first barrier block 11, and the inboard fixed mounting of articulated dashpot 5 has the second fixing support 7 that supplies second barrier block 13 to fix, and the inboard fixed mounting of articulated dashpot 5 has the first fixing support 6 that supplies first barrier block 11 to fix, and all install bolt assembly 8 on first fixing support 6 and the second fixing support 7, wherein the suit of fixed axle sleeve 3 is in the outside of axis of rotation pole seat 9.

The scheme has the following working processes: when the bearing door leaf 1 and the fixed door frame 2 need to be quickly installed, the fixed shaft sleeve 3 is fixedly installed on one side of the bearing door leaf 1 through screws, the rotating shaft rod seat 9 is sleeved on the outer side of the fixed shaft sleeve 3, the fixed guide rod 14 on the installation sealing cover 12 is inserted into the inner side of the rotating shaft rod seat 9, the fixed shaft sleeve 3 is prevented from being blocked, the limiting telescopic column 10 is screwed and fixed on the rotating shaft rod seat 9, the rotating shaft rod seat 9 and the first blocking block 11 and the second blocking block 13 on the installation sealing cover 12 are respectively clamped on the first fixed support 6 and the second fixed support 7, a screw rod on the bolt assembly 8 penetrates through fixing holes on the first fixed support 6 and the second fixed support 7 and is screwed and fixed through a nut, and the first blocking block 11 and the second blocking block 13 are blocked and pressed by the screw rod, meanwhile, the limiting telescopic columns 10 are inserted into limiting hole positions formed in the hinged buffer slots 5, the dustproof covers 4 are turned to cover the hinged buffer slots 5, and the hinged buffer slots are fixed through screws, so that dustproof protection treatment on the rotating device can be achieved, and use is completed.

According to the working process, the following steps are known: install the rotating device in bearing door leaf 1 and fixed door frame 2 hookup location department through the design, realized the quick installation to bearing door leaf 1 and fixed door frame 2, and install the axis of rotation pole seat 9 on articulated dashpot 5 through the design, and the fixed axle sleeve 3 on bearing door leaf 1 is installed in the cooperation, the fixed stability of bearing door leaf 1 and fixed door frame 2 combination has been guaranteed, and install first fixing support 6 and second fixing support 7 on articulated dashpot 5 through the design, convenient dismantlement of axis of rotation pole seat 9 is maintained.

Further, bolt assembly 8 includes screw rod and nut, and all cooperate on second fixing support 7 and the first fixing support 6 to set up the fixed orifices that supplies the screw rod to run through, and the screw rod runs through the fixed orifices and closes fixedly with the nut soon, install dustproof the covering 4 on articulated dashpot 5 through the design, realized the dustproof processing to articulated dashpot 5, and increased the theftproof performance of device, and install spacing flexible post 10 on axis of rotation pole seat 9 through the design, very big increase the stability of fixed axle sleeve 3 and axis of rotation pole seat 9 in the use, avoided axis of rotation pole seat 9 to follow the pivoted condition.

Furthermore, the outer side of the hinged buffer slot 5 is hinged and fixed with a dustproof cover 4, and the position of the dustproof cover 4 corresponding to the superposition position of the fixed shaft sleeve 3 is provided with a rotary hole position.

Further, the outer side of the limit telescopic column 10 is provided with a thread, a threaded hole for screwing the limit telescopic column 10 is formed in the rotating shaft rod seat 9, and the fixed shaft sleeve 3 is fixedly connected with the bearing door leaf 1 through a screw.

Further, the hinge buffer slot 5 and the first fixing support 6 are fixedly connected through screws, the hinge buffer slot 5 and the second fixing support 7 are fixedly connected through screws, the second blocking block 13 and the mounting cover 12 are fixedly connected through screws, and the first blocking block 11 and the rotating shaft rod seat 9 are fixedly connected through screws.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A steel fireproof smoke-proof airtight door comprises a bearing door leaf (1) and is characterized by further comprising a rotating device, wherein the bearing door leaf (1) is fixedly connected with a fixed door frame (2) through the rotating device, the rotating device comprises a hinged buffer groove (5) formed in one side of the fixed door frame (2) and a fixed shaft sleeve (3) correspondingly installed on one side of the bearing door leaf (1), a rotating shaft rod seat (9) is installed on the inner side of the hinged buffer groove (5), a limiting telescopic column (10) is fixedly installed at the position of the rear surface of the rotating shaft rod seat (9), a limiting hole position for the insertion of the limiting telescopic column (10) is formed in the inner side of the hinged buffer groove (5), an installation sealing cover (12) is installed at the top of the rotating shaft rod seat (9), and a fixed guide rod (14) is installed at the central position of the bottom of the installation sealing cover (12), just fixed guide arm (14) are inserted and are established the inboard of axis of rotation pole seat (9), just the top fixed mounting of installation closing cap (12) has second barrier block (13), just the bottom fixed mounting of axis of rotation pole seat (9) has first barrier block (11), just the inboard fixed mounting of articulated dashpot (5) has second fixing support (7) that supplies second barrier block (13) to fix, just the inboard fixed mounting of articulated dashpot (5) has first fixing support (6) that supplies first barrier block (11) to fix, just all install bolt assembly (8) on first fixing support (6) and second fixing support (7), wherein fixed axle sleeve (3) suit is in the outside of axis of rotation pole seat (9).

2. The steel fireproof smoke-proof airtight door according to claim 1, wherein the bolt assembly (8) comprises a screw and a nut, the second fixing support (7) and the first fixing support (6) are both provided with a fixing hole for the screw to pass through, and the screw passes through the fixing hole and is screwed with the nut for fixing.

3. The steel fireproof smoke-proof airtight door according to claim 1, wherein a dustproof cover (4) is fixed to the outer side of the hinged buffer slot (5) in a hinged manner, and a rotary hole position is formed in the position, corresponding to the overlapping position of the fixed shaft sleeve (3), of the dustproof cover (4).

4. The steel fireproof smoke-proof airtight door as claimed in claim 1, wherein the outer side of the limit telescopic column (10) is threaded, and the rotating shaft rod seat (9) is provided with a threaded hole for screwing the limit telescopic column (10).

5. The steel fireproof and smoke-proof airtight door as claimed in claim 1, wherein the fixing shaft sleeve (3) and the load-bearing door leaf (1) are fixedly connected by screws, and wherein the noise-reducing rubber pad (15) is fixed on the fixing door frame (2) by bonding.

6. A steel fire and smoke protection airtight door according to claim 1, wherein said hinge buffer slot (5) and said first fixing support (6) are fixedly connected by means of screws, and said hinge buffer slot (5) and said second fixing support (7) are fixedly connected by means of screws.

7. A fire and smoke protection steel airtight door according to claim 1, wherein the second barrier block (13) and the installation cover (12) are fixedly connected by means of screws, and said first barrier block (11) and the rotation shaft holder (9) are fixedly connected by means of screws.