CN220451683U - Sealed airtight door - Google Patents

Abstract

The utility model relates to the technical field of airtight doors, in particular to a sealing airtight door which adopts a lifting door body to automatically close and lock under the action of dead weight, has labor-saving operation, good tightness, is beneficial to reducing the height of a threshold and has good practicability; comprises a door frame and a door body; still include pivot, interior door body, sealing member, arc deflector and gyro wheel, the pivot is installed on the door frame, the door body rotates and installs in the pivot, the door body goes up and down along the pivot, the inside of the door body is provided with interior door body, the door body closes the lock and on the door frame after, interior door body stretches into in the door frame, sealing member is sealed with the clearance between interior door body and the door frame, the arc deflector is installed in the pivot or on the door frame, the gyro wheel passes through the support mounting on the door body, the gyro wheel rolls along the arc deflector, when the door body is opened, the arc deflector upwards leads the gyro wheel.

Description

Sealed airtight door

Technical Field

The utility model relates to the technical field of airtight doors, in particular to a sealing airtight door.

Background

The airtight door is a translational suit door integrating airtight, sound insulation, heat preservation, compression resistance, dust prevention, fire prevention and radiation protection. Is generally used in places with high requirements on sound insulation, heat insulation and air tightness, such as hospitals, food factories, industrial plants and the like.

In the prior art, a plurality of airtight doors are proposed, for example, a double-seal steel airtight door is proposed in the Chinese patent of patent number ZL202222353728.5, the airtight door is provided with an inflation groove, an adjusting threaded cylinder, a second bevel gear, an adjusting threaded rod, a piston plate and communication cavities, after the airtight door is closed, air in the inflation groove is conveyed into each communication cavity through a linkage pore canal, the air pressure in the communication cavities is increased, so that a sealing pressing plate is driven to slide towards the main body direction of the airtight door through a piston rod, the outer surfaces of the four sealing pressing plates are tightly attached to corresponding rubber sleeves on the four sides of the main body of the airtight door, and therefore the sealing of the airtight door can be completed, the sealing effect of the traditional airtight door is improved, and the application range of the airtight door is further improved.

However, the airtight door is the same as the traditional airtight door, the door frame and the door body are connected through the hinge in a rotating way, the weight of the door body is completely acted on the hinge, the edges of the door frame and the door body are flat, the door body is opened and closed on the horizontal plane, and the door body is harder to press and seal the sealing strip between the door frame and the door body due to the fact that the door body is heavier and harder to close and lock the door.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the sealing airtight door which adopts the liftable door body to automatically close and lock under the action of dead weight, has the advantages of labor saving operation, good sealing performance, contribution to reducing the height of a threshold and good practicability.

The utility model relates to a sealed airtight door, which comprises a door frame and a door body; the door body is rotatably mounted on the rotating shaft, the door body is lifted along the rotating shaft, the inner door body is arranged in the door body, the door body is closed and buckled on the door frame, the inner door body stretches into the door frame, the sealing piece seals a gap between the inner door body and the door frame, the arc-shaped guide plate is mounted on the rotating shaft or the door frame, the roller is mounted on the door body through a bracket, the roller rolls along the arc-shaped guide plate, and the arc-shaped guide plate guides the roller upwards when the door body is opened; when the door body rotates to the outside of door frame and opens, the gyro wheel rolls along the arc deflector, thereby make the gyro wheel roll rise, the gyro wheel passes through the support and drives the door body and rise along the pivot, take out the door body in the door frame simultaneously, when the door body rotates to the door frame and close, drive the gyro wheel and roll downwards along the arc deflector under the dead weight effect of door frame and interior door body, and then drive the door body and rotate round changeing axial door frame, realize the self-closing of door body and rely on inertia to lock and seal, the operation is more laborsaving, the door body is closed after, interior door body stretches into in the door frame, and make the clearance seal between interior door body and the door frame, and easy operation, because the door body highly reduces after closing, be favorable to reducing the threshold of door frame, the practicality is good.

Preferably, the upper surface of the door threshold of the door frame and the lower side surface of the inner door body are obliquely arranged, the lower surface of the upper frame of the door frame and the upper side surface of the inner door body are obliquely arranged, and the oblique angle is matched with the rotating and lifting paths of the door body and the inner door body; through the arrangement, the gap between the upper side surface and the lower side surface of the inner door body and the upper frame and the threshold of the door frame can be effectively reduced, and the air tightness can be improved.

Preferably, the sealing element comprises four sealing strips, four mounting grooves are formed in the inner side of the door frame, the four sealing strips are respectively mounted in the mounting grooves, gaps between the inner door body and the door frame are sealed by the four sealing strips, and the four sealing strips extend out of the surfaces of the mounting grooves and the side faces of the inner door body along with each other; the air tightness between the inner door body and the door frame can be improved through a plurality of sealing strips.

Preferably, the door comprises a door frame, a plurality of sealing strips, a plurality of wedge-shaped pushing plates and a plurality of pushing rods, wherein the inner side faces of the plurality of sealing strips are provided with hard reinforcing rods, the inner sides of the hard reinforcing rods are provided with inclined guide faces, the plurality of wedge-shaped pushing plates are respectively and slidably arranged in four mounting grooves of the door frame, the inner side faces of the plurality of wedge-shaped pushing plates are provided with inclined faces which are in sliding contact with the guide faces of the plurality of sealing strips, the plurality of wedge-shaped pushing plates are respectively provided with the pushing rods, the outer ends of the pushing rods extend out of the outer surface of the door frame and are in contact with the door body, and when the door body is closed, the plurality of wedge-shaped pushing plates push the plurality of sealing strips to move towards the inner side face of the inner door body; when the door body is closed, the plurality of push rods and the plurality of wedge-shaped push plates are extruded and pushed to move, the plurality of wedge-shaped push plates push the plurality of sealing strips to move towards the inside of the door frame through the relative sliding of the inclined plane and the guide surface, the side face of the inner door body is extruded to be pressed, the force when the door body is closed can be effectively reduced, and the tightness is improved.

Preferably, the door frame also comprises two side inclined planes and two side sealing surfaces, wherein the left side surface and the right side surface of the inside of the door frame are respectively provided with the side inclined planes, the left side surface and the right side surface of the inside door body are respectively provided with the side sealing surfaces, and the side inclined planes are matched with the side sealing surfaces along with each other; through setting up two side inclined planes and two side seal faces, can close the lock at the door frame when locking at the door body with interior door body, two side seal faces compress tightly with two side inclined planes slope, realize the spacing effect to the door body and interior door body, be favorable to improving the leakproofness moreover.

Preferably, the door further comprises a transverse plate and a guide rod, wherein the transverse plate is rotatably arranged on the rotating shaft, one end of the guide rod is connected with the door body, the other end of the guide rod is slidably arranged on the transverse plate, and the guide rod and the transverse plate are matched to guide the lifting of the door body; when the door body is opened and closed in a rotating mode, the door body drives the guide rod to synchronously rotate and lift, the guide rod drives the transverse plate to rotate, and meanwhile the guide rod and the transverse plate are matched to guide the door body, so that the rotation stability of the door body and the inner door body is improved.

Preferably, the device also comprises a pushing cylinder, wherein the fixed end of the pushing cylinder is arranged on the transverse plate, and a piston rod of the pushing cylinder is connected with the door body; after the door body is rotated, opened and lifted, the pushing cylinder locks the piston rod, so that the door body and the inner door body are prevented from rotating and automatically closing under the action of dead weight, and when the door body is rotated, closed and lowered and the inner door body is enabled to extend into the door frame, the pushing cylinder locks the piston rod, so that the door body and the inner door body are locked on the door frame.

Compared with the prior art, the utility model has the beneficial effects that: when the door body rotates to the outside of door frame and opens, the gyro wheel rolls along the arc deflector, thereby make the gyro wheel roll rise, the gyro wheel passes through the support and drives the door body and rise along the pivot, take out the door body in the door frame simultaneously, when the door body rotates to the door frame and close, drive the gyro wheel and roll downwards along the arc deflector under the dead weight effect of door frame and interior door body, and then drive the door body and rotate round changeing axial door frame, realize the self-closing of door body and rely on inertia to lock and seal, the operation is more laborsaving, the door body is closed after, interior door body stretches into in the door frame, and make the clearance seal between interior door body and the door frame, and easy operation, because the door body highly reduces after closing, be favorable to reducing the threshold of door frame, the practicality is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model in a closed state;

FIG. 4 is a schematic side sectional view of the present utility model in a closed state;

fig. 5 is a schematic structural view of the door frame;

FIG. 6 is a schematic structural view of a seal;

FIG. 7 is a schematic view of a partial enlarged structure at A in FIG. 6;

the reference numerals in the drawings: 1. a door frame; 2. a door body; 3. a rotating shaft; 4. an inner door body; 5. a seal; 6. an arc-shaped guide plate; 7. a roller; 8. a sealing strip; 9. wedge-shaped push plates; 1-0, push rod; 1-1, side inclined surfaces; 1-2, side sealing surfaces; 1-3, a transverse plate; 1-4, a guide rod; 1-5, pushing the cylinder.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 4, a sealed airtight door includes a door frame 1 and a door body 2; the door comprises a door frame 1, a door body 2, a door frame 1, a sealing element 5, an arc-shaped guide plate 6 and a roller 7, wherein the door body 4 is arranged in the door body 2, the door body 2 is rotatably arranged on the door frame 1, the door body 2 is lifted along the rotating shaft 3, the door body 4 is arranged in the door body 2, after the door body 2 is closed and buckled on the door frame 1, the inner door body 4 stretches into the door frame 1, the sealing element 5 seals a gap between the inner door body 4 and the door frame 1, the arc-shaped guide plate 6 is arranged on the rotating shaft 3 or the door frame 1, the roller 7 is arranged on the door body 2 through a bracket, the roller 7 rolls along the arc-shaped guide plate 6, and when the door body 2 is opened, the arc-shaped guide plate 6 guides the roller 7 upwards; the upper surface of the doorsill of the doorframe 1 and the lower side surface of the inner door body 4 are obliquely arranged, the lower surface of the upper frame of the doorframe 1 and the upper side surface of the inner door body 4 are obliquely arranged, and the oblique angle is matched with the rotationally rising path of the door body 2 and the inner door body 4; the door frame further comprises two side inclined surfaces 11 and two side sealing surfaces 12, wherein the side inclined surfaces 11 are arranged on the left side surface and the right side surface of the inside of the door frame 1, the side sealing surfaces 12 are arranged on the left side surface and the right side surface of the inner door body 4, and the side inclined surfaces 11 and the side sealing surfaces 12 are matched along with each other.

When the door body 2 rotates to the outside of the door frame 1 and opens, the gyro wheel 7 rolls along the arc deflector 6, thereby make gyro wheel 7 roll and rise, gyro wheel 7 drives door body 2 and rise along pivot 3 through the support, take out interior door body 4 from door frame 1 simultaneously, when door body 2 rotates to door frame 1 and close, drive gyro wheel 7 roll downwards along arc deflector 6 under the dead weight effect of door frame 1 and interior door body 4, and then drive door body 2 and rotate to door frame 1 round pivot 3, realize the self-closing of door body 2 and rely on inertia to lock and seal, the operation is more laborsaving, after door body 2 closes, interior door body 4 stretches into in door frame 1, and make sealing member 5 seal the clearance between interior door body 4 and the door frame 1, easy operation, because door body 2 highly reduces after closing, be favorable to reducing the threshold of door frame 1, the practicality is good, the clearance between the upper and lower flank of door body 4 and door frame 1 through the upper and lower contact surface that the slope set up can effectively reduce, help improving the gas tightness, through setting up two side surfaces 11 and two side surfaces 12 can be favorable to the door body 12 and two side sealing surfaces are closed at door body 2 and two side sealing surfaces 12, and door body 1 and door sealing surface 1 are closed when two side sealing surface and two side surfaces are closed, door body 11 and side sealing surface is closed.

As shown in fig. 5, 6 and 7, the sealing member 5 comprises four sealing strips 8, four mounting grooves are formed in the inner side of the door frame 1, the four sealing strips 8 are respectively mounted in the mounting grooves, gaps between the inner door body 4 and the door frame 1 are sealed by the four sealing strips 8, and the surfaces of the four sealing strips 8 extending out of the mounting grooves follow the side surfaces of the inner door body 4; the door body 2 is closed, the inner side faces of the sealing strips 8 are provided with hard reinforcing rods, inclined guide faces are arranged on the inner sides of the hard reinforcing rods, the wedge-shaped pushing plates 9 are respectively slidably mounted in four mounting grooves of the door frame 1, inclined faces which are slidably contacted with the guide faces of the sealing strips 8 are arranged on the inner side faces of the wedge-shaped pushing plates 9, pushing rods 10 are arranged on the wedge-shaped pushing plates 9, the outer ends of the pushing rods 10 extend out of the outer surface of the door frame 1 and are in contact with the door body 2, the pushing rods 10 and the wedge-shaped pushing plates 9 are pushed to move when the door body 2 is closed, and the wedge-shaped pushing plates 9 push the sealing strips 8 to move towards the inner side face of the door frame 1 and squeeze the inner door body 4.

The air tightness between the inner door body 4 and the door frame 1 can be improved through the plurality of sealing strips 8, the plurality of push rods 10 and the plurality of wedge-shaped push plates 9 are extruded and pushed to move when the door body 2 is closed, the plurality of wedge-shaped push plates 9 push the plurality of sealing strips 8 to move towards the inside of the door frame 1 through the relative sliding of the inclined planes and the guide surfaces to extrude to the side face of the inner door body 4 to compress tightly, the force when the door body 2 is closed can be effectively reduced, and the tightness is improved.

As shown in fig. 1, 2 and 3, the door further comprises a transverse plate 13 and a guide rod 14, wherein the transverse plate 13 is rotatably arranged on the rotating shaft 3, one end of the guide rod 14 is connected with the door body 2, the other end of the guide rod 14 is slidably arranged on the transverse plate 13, and the guide rod 14 and the transverse plate 13 are matched to guide the lifting of the door body 2; the device also comprises a pushing cylinder 15, wherein the fixed end of the pushing cylinder 15 is arranged on the transverse plate 13, and a piston rod of the pushing cylinder 15 is connected with the door body 2.

When the door body 2 is opened and closed in a rotating mode, the door body 2 drives the guide rod 14 to synchronously rotate and lift, the guide rod 14 drives the transverse plate 13 to rotate, meanwhile, the guide rod 14 and the transverse plate 13 are matched to guide the door body 2, the rotating stability of the door body 2 and the inner door body 4 is improved, after the door body 2 is opened in a rotating mode and lifted, the piston rod is locked by the push cylinder 15, therefore, the door body 2 and the inner door body 4 are prevented from being automatically closed in a rotating mode under the action of dead weight, when the door body 2 is closed in a rotating mode and descends, the inner door body 4 stretches into the door frame 1, the piston rod is locked by the push cylinder 15, and accordingly the door body 2 and the inner door body 4 are locked on the door frame 1.

As shown in fig. 1 to 7, when the sealed airtight door of the present utility model is operated, firstly, when the door body 2 rotates to open to the outside of the door frame 1, the roller 7 rolls along the arc-shaped guide plate 6, so that the roller 7 rolls and rises, the roller 7 drives the door body 2 to rise along the rotating shaft 3 through the bracket, meanwhile, the inner door body 4 is taken out from the door frame 1, the push cylinder 15 locks the piston rod, when the door body 2 rotates to close to the door frame 1, the roller 7 is driven to roll downwards along the arc-shaped guide plate 6 under the self-weight of the door frame 1 and the inner door body 4, and then the door body 2 is driven to rotate around the rotating shaft 3 to the door frame 1, and when the door body 2 rotates to close and the inner door body 4 stretches into the door frame 1, the push cylinder 15 locks the piston rod, so that the door body 2 and the inner door body 4 are locked on the door frame 1, and the door body 2 is automatically closed and locked and sealed by inertia.

The main functions realized by the utility model are as follows:

1. the door body which can be lifted is adopted, and is automatically closed and locked under the action of dead weight, so that the operation is labor-saving;

2. an inclined matching surface is adopted between the door body and the door frame, so that the door has a limiting effect and good tightness;

3. the sealing rubber strip is linked with the door body, and the door body can drive the sealing rubber strip to seal the door body from the side face, so that the door can be locked in a labor-saving mode.

The installation mode, the connection mode or the setting mode of the sealing airtight door are common mechanical modes, and the sealing airtight door can be implemented as long as the beneficial effects of the sealing airtight door can be achieved; the door body 2, the rotating shaft 3, the roller 7, the sealing strip 8, the guide rod 14 and the pushing cylinder 15 of the sealed airtight door are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. A sealed airtight door comprises a door frame (1) and a door body (2); the door is characterized by further comprising a rotating shaft (3), an inner door body (4), sealing pieces (5), arc-shaped guide plates (6) and rollers (7), wherein the rotating shaft (3) is arranged on the door frame (1), the door body (2) is rotatably arranged on the rotating shaft (3), the door body (2) is lifted along the rotating shaft (3), the inner door body (4) is arranged inside the door body (2), the door body (2) is closed and buckled on the door frame (1), the inner door body (4) stretches into the door frame (1), the sealing pieces (5) seal gaps between the inner door body (4) and the door frame (1), the arc-shaped guide plates (6) are arranged on the rotating shaft (3) or the door frame (1), the rollers (7) are arranged on the door body (2) through brackets, and the rollers (7) roll along the arc-shaped guide plates (6), and when the door body (2) is opened, the rollers (7) are upwards guided by the arc-shaped guide plates (6).

2. A sealing door according to claim 1, characterized in that the upper door sill surface of the door frame (1) and the lower side of the inner door body (4) are arranged obliquely, the upper door sill lower surface of the door frame (1) and the upper side of the inner door body (4) are arranged obliquely, said oblique angle matching the path of the rotational elevation of the door body (2) and the inner door body (4).

3. A sealing door as claimed in claim 1, characterized in that the sealing member (5) comprises four sealing strips (8), the inner side of the door frame (1) is provided with four mounting grooves, the four sealing strips (8) are respectively arranged in the mounting grooves, the four sealing strips (8) seal the gap between the inner door body (4) and the door frame (1), and the surfaces of the four sealing strips (8) extending out of the mounting grooves follow the side surfaces of the inner door body (4).

4. A sealing air-tight door as claimed in claim 3, further comprising a plurality of wedge-shaped push plates (9) and a plurality of push rods (10), wherein the inner side surfaces of the plurality of sealing strips (8) are provided with hard reinforcing rods, the inner sides of the hard reinforcing rods are provided with inclined guide surfaces, the plurality of wedge-shaped push plates (9) are respectively slidably mounted in four mounting grooves of the door frame (1), the inner side surfaces of the plurality of wedge-shaped push plates (9) are provided with inclined surfaces which are slidably contacted with the guide surfaces of the plurality of sealing strips (8), the plurality of wedge-shaped push plates (9) are respectively provided with the push rods (10), the outer ends of the push rods (10) extend out of the outer surface of the door frame (1) and are contacted with the door body (2), and when the door body (2) is closed, the plurality of push rods (10) and the plurality of wedge-shaped push plates (9) are pushed to move, and the plurality of sealing strips (8) move towards the inner side of the door frame (1) to be extruded on the side surfaces of the inner door body (4).

5. A sealing door according to claim 1, further comprising two side inclined surfaces (11) and two side sealing surfaces (12), wherein the side inclined surfaces (11) are provided on both the left and right sides of the interior of the door frame (1), the side sealing surfaces (12) are provided on both the left and right sides of the inner door body (4), and the side inclined surfaces (11) and the side sealing surfaces (12) are matched with each other.

6. A sealing door as claimed in claim 1, further comprising a transverse plate (13) and a guide rod (14), wherein the transverse plate (13) is rotatably mounted on the rotary shaft (3), one end of the guide rod (14) is connected with the door body (2), the other end of the guide rod (14) is slidably mounted on the transverse plate (13), and the guide rod (14) and the transverse plate (13) cooperate to guide the lifting of the door body (2).

7. A sealing door as claimed in claim 6, further comprising a push cylinder (15), the fixed end of the push cylinder (15) being mounted on the transverse plate (13), the piston rod of the push cylinder (15) being connected to the door body (2).