CN213016025U

CN213016025U - Special door

Info

Publication number: CN213016025U
Application number: CN202020871015.6U
Authority: CN
Inventors: 沈锦其; 韦安帅; 谷晨
Original assignee: Shanghai Senlin Special Type Steel Door Co ltd
Current assignee: Shanghai Senlin Special Type Steel Door Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-04-20
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a special door, which comprises a door frame, a door leaf, a hinge component and a locking device; the door leaf is characterized in that a vertical groove is formed in the back face of the door leaf and one side, close to the hinge assembly, of the door leaf, a sealing strip is arranged in the vertical groove, a protruding part is arranged on the position, corresponding to the sealing strip, of the door frame, and when the door leaf is closed, the protruding part is inserted into the sealing strip. The locking device is positioned on the back of the door leaf and comprises a rotary table, the rotary table is connected with a pair of connecting rods, and the end parts of the connecting rods are connected with the binding head body. The utility model greatly improves the sealing performance of the special door, namely the air tightness and the water tightness; the strength is greatly improved, and the anti-penetration and anti-external shock wave anti-penetration device has the performance of resisting penetration of flying objects, resisting external shock waves and the like; the multifunctional door is combined together, and the functions of fire prevention, air tightness, water tightness, wind pressure resistance, shock wave resistance and impact resistance are realized respectively. Enriches the functions in the field of steel doors and provides basis for the expansion of special doors.

Description

Special door

Technical Field

The utility model relates to a multi-functional vertical hinged door especially relates to a special door, belongs to special door technical field.

Background

Along with the development of the nuclear industry, the requirements for protecting people and environment are higher and higher, so that the requirements for special doors of nuclear island plants leading to the outdoors are stricter and stricter, the functions of the special doors are more diverse and comprehensive, and the requirements for the performance of the special doors under the influence of single or multiple external factor disasters are met on the premise of ensuring the normal passage of the special doors.

The existing special door is difficult to achieve comprehensive functions, and cannot comprehensively meet the requirements of performances such as fire prevention, air tightness, water tightness, tornado resistance, penetration resistance of light-weight flying objects, external shock wave resistance and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special door, the main function of which is to improve the sealing performance of the special door, namely the air tightness and the water tightness; in addition, the device also has the performance of resisting penetration of flying objects, resisting external shock waves and the like.

The utility model adopts the following technical proposal:

a special door comprises a door frame 1, a door leaf 2, a hinge assembly 3 and a locking device 4; a vertical groove is formed in the back face of the door leaf 2 and one side, close to the hinge assembly 3, of the door leaf, a sealing strip 6 is arranged in the vertical groove, a protruding part 22 is arranged on the portion, corresponding to the sealing strip 6, of the door frame 1, and when the door leaf is closed, the protruding part 22 is inserted into the sealing strip 6. The locking device 4 is located on the back of the door leaf and comprises a rotary table, the rotary table is connected with a pair of connecting rods, and the end parts of the connecting rods are connected with the binding head body 20.

Preferably, the locking device 4 further comprises a manual rotating wheel 16 located on the front side of the door leaf, the manual rotating wheel 16 is coaxially connected with a small gear 21 located on the back side of the door leaf, a large gear is arranged on the outer side of the turntable, and the small gear 21 is engaged with the large gear to drive the turntable to rotate.

Preferably, the back of the door leaf 2 is provided with a door leaf cover 5, and the door frame 1 is provided with a smoke prevention strip 7.

Preferably, the front surface of the door leaf 2 is provided with a pressure relief valve 8.

Preferably, the door frame 1 and the door leaf 2 are connected by a hinge assembly 3.

Furthermore, a shaft sleeve 18 is arranged at the rotary connection position of the rotating disc of the locking device 4, and the shaft sleeve 18 and a sealing ring 19 are arranged at two ends of the connecting shaft of the manual rotating wheel 16 and the pinion 21.

Furthermore, the main framework of the door leaf is welded by adopting channel steel and I-shaped steel in a grid structure, and two sides of the framework are respectively made of steel plates as outer covering plates.

Further, a perlite fireproof material 12 is filled in the door leaf framework, and a 10mm heat insulation plate 13 and a 10mm fireproof plate 14 are covered outside; the appearance of the door leaf is wrapped by a galvanized steel plate 15 with the thickness of 1 mm.

The beneficial effects of the utility model reside in that:

1) the sealing performance, namely air tightness and water tightness, of the special door is greatly improved;

2) the strength is greatly improved, and the anti-penetration and anti-external shock wave device has the performance of resisting penetration of flying objects, resisting external shock waves and the like.

3) The multifunctional door is combined together, and the functions of fire prevention, air tightness, water tightness, wind pressure resistance, shock wave resistance and impact resistance are realized respectively. Enriches the functions in the field of steel doors and provides basis for the expansion of special doors.

4) Has the characteristics of reasonable structural layout, simple and easy process and the like, and can obtain better economic benefit and social benefit.

5) The opening is light and flexible, and the sealing requirement of the door leaf is met.

6) The whole structure design is ingenious, the manual work is simple and easy to operate, and the machine is flexible and mobile.

Drawings

Fig. 1 is a front view of the special door of the present invention.

Fig. 2 is a back view of the special door of the present invention with the cover removed.

Fig. 3 is a sectional view a-a in fig. 1.

Fig. 4 is a sectional view B-B in fig. 1.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Fig. 6 is an enlarged view of a portion B in fig. 4.

Fig. 7 is a front view of the hinge assembly.

Fig. 8 is a left side view of the hinge assembly.

Fig. 9 is a top view of a hinge assembly.

Fig. 10 is a front view of the locking device.

Fig. 11 is a left side view of the locking device.

In the figure, 1, a door frame, 2, a door leaf, 3, a hinge assembly, 4, a locking device, 5, a door leaf cover, 6, a sealing strip, 7, a smoke-proof strip, 8, a pressure release valve, 9, a door leaf main framework, 10.14 mm steel plates, 11.10 mm steel plates, 12, perlite fireproof materials and 13.10 mm heat insulation plates are arranged. 14.10 mm fireproof plate, 15.2 mm galvanized steel plate and 16-degree manual rotating wheel. 17. Pinion, 18, shaft sleeve, 19, sealing ring, 20, rolling head body, 21, pinion, 22 and bulge.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, 2 and 3, the novel special door comprises a door frame 1, a door leaf 2, a hinge assembly 3, a locking device 4, a door leaf housing 5, a sealing strip 6, a smoke-proof strip 7, a pressure release valve 8 and the like.

The door frame 1 is connected with the door leaf 2 through a hinge assembly 3; a sealing strip 6 is arranged between the door frame 1 and the door leaf 2, and the requirements of air tightness and water tightness are met through a locking device mechanism, and a smoke-proof strip 7 meets the requirement of 2-hour fire prevention; the locking device 4 is arranged on the back of the door leaf, and the hand-operated rotating wheel 16 rotates to drive the binding head body 20 and the inclined iron at the position of the door frame 1 to be mutually pressed, so that the locking and sealing effects of the door leaf 2 are achieved; the pressure release valve 8 is arranged on the door leaf 2, and when the door is opened, the pressure difference in the pressure release valve is released to realize the easy opening of the door leaf.

Referring to fig. 3 and 5, a vertical groove is formed in the back of the door leaf 2 and on one side close to the hinge assembly 3, a sealing strip 6 is arranged in the vertical groove, a protruding part 22 is arranged on the position, corresponding to the sealing strip 6, of the door frame 1, and when the door leaf is closed, the protruding part 22 is inserted into the sealing strip 6. The locking device 4 is located on the back of the door leaf and comprises a rotary table, the rotary table is connected with a pair of connecting rods, and the end parts of the connecting rods are connected with the binding head body 20.

In this embodiment, the locking device 4 further includes a manual turning wheel 16 located on the front side of the door leaf, the manual turning wheel 16 is coaxially connected with a small gear 21 located on the back side of the door leaf, a large gear is located on the outer side of the turntable, and the small gear 21 is engaged with the large gear to drive the turntable to rotate.

In this embodiment, the door leaf 2 is provided with a door leaf housing 5 on the back, protecting the elements of the locking device 4; meanwhile, the door frame 1 is provided with a smoke prevention bar 7.

In this embodiment, a sleeve 18 is provided at the rotary connection of the rotary disk of the locking device 4, and the sleeve 18 and a seal ring 19 are mounted at both ends of the connection shaft of the manual rotary wheel 16 and the pinion 21.

In the embodiment, the main framework of the door leaf is welded in a grid structure by adopting channel steel and I-shaped steel, and two sides of the framework are respectively made of steel plates as outer covering plates. The fire-proof requirement is met.

In the embodiment, the door leaf framework is filled with perlite fireproof materials 12, and is externally covered by a 10mm heat insulation plate 13 and a 10mm fireproof plate 14; the appearance of the door leaf is wrapped by a galvanized steel plate 15 with the thickness of 1 mm. The function of the door body is enhanced and the appearance is beautiful.

The utility model greatly improves the sealing performance of the special door, namely the air tightness and the water tightness; the strength is greatly improved, and the anti-penetration and anti-external shock wave anti-penetration device has the performance of resisting penetration of flying objects, resisting external shock waves and the like; the multifunctional door is combined together, and the functions of fire prevention, air tightness, water tightness, wind pressure resistance, shock wave resistance and impact resistance are realized respectively. The functions in the field of steel doors are enriched, and a basis is provided for the expansion of special doors; the device has the characteristics of reasonable structural layout, simple and easy process and the like, and can obtain better economic benefit and social benefit; the opening is light and flexible, and the sealing requirement of the door leaf is met.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and these changes or improvements should fall within the scope of the present invention.

Claims

1. A special door, characterized in that:

comprises a door frame (1), a door leaf (2), a hinge assembly (3) and a locking device (4);

a vertical groove is formed in the back of the door leaf (2) and on one side close to the hinge assembly (3), a sealing strip (6) is arranged in the vertical groove, a protruding part (22) is arranged on the position, corresponding to the sealing strip (6), on the door frame (1), and when the door leaf is closed, the protruding part (22) is inserted into the sealing strip (6);

the locking device (4) is positioned on the back of the door leaf and comprises a rotary table, the rotary table is connected with a pair of connecting rods, and the end parts of the connecting rods are connected with the binding body (20).

2. A gate as claimed in claim 1, wherein: the locking device (4) further comprises a manual rotating wheel (16) located on the front face of the door leaf, the manual rotating wheel (16) is coaxially connected with a small gear (21) located on the back face of the door leaf, a large gear is arranged on the outer side of the turntable, and the small gear (21) is meshed with the large gear to drive the turntable to rotate.

3. A gate as claimed in claim 1, wherein: the back of the door leaf (2) is provided with a door leaf housing (5), and the door frame (1) is provided with a smoke prevention strip (7).

4. A gate as claimed in claim 1, wherein: the front surface of the door leaf (2) is provided with a pressure release valve (8).

5. A gate as claimed in claim 1, wherein: the door frame (1) is connected with the door leaf (2) through a hinge assembly (3).

6. A gate as claimed in claim 2, wherein: a shaft sleeve (18) is arranged at the rotary connection position of a rotary disc of the locking device (4), and the shaft sleeve (18) and a sealing ring (19) are arranged at two ends of a connecting shaft of the manual rotating wheel (16) and the pinion (21).

7. A gate as claimed in claim 2, wherein: the main framework of the door leaf is welded by adopting channel steel and I-shaped steel in a latticed structure, and two sides of the framework are respectively made of steel plates as outer covering plates.

8. A gate as claimed in claim 2, wherein: the door leaf framework is filled with perlite fireproof materials (12), and is externally covered with a 10mm heat insulation plate (13) and a 10mm fireproof plate (14); the appearance of the door leaf is wrapped by a galvanized steel plate (15) with the thickness of 1 mm.