CN220133855U - Laboratory door airtight device - Google Patents

Abstract

The utility model discloses a laboratory door airtight device, which relates to the technical field of laboratory doors. The sealing blocks are arranged on the other side of the door frame, the lower half section of the outer side of each sealing block is an inclined plane, and the upper half section is a vertical plane; be equipped with a plurality of assembly casings in the door plant, airtight mechanism includes bull stick, rotary drum, gear, rack, and sliding fit is in the assembly casing that corresponds about the rack, and a plurality of racks link together, and in the assembly casing was located in the gear rotation, the rotary drum inner was run through the door plant, was connected in the gear behind the assembly casing, and the rotary stick was worn to locate the rotary drum outer end, and the one end of bull stick orientation sealing block was equipped with the wheel of rolling, and when sealed, the bull stick was rotated with the rotary drum as the center to make the wheel of rolling roll to the vertical face from the inclined plane. The scheme can enable the door plate and the door frame to be more compact, and improves the tightness of the laboratory door.

Description

Laboratory door airtight device

Technical Field

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

Background

Laboratory door is one of the important components of laboratory safety, and in order to prevent hazardous materials in the laboratory from leaking to the external environment, the safety of laboratory staff and surrounding environment is protected, and the sealing performance of the laboratory door is very high. There are many factors that may affect the tightness of the door, such as the material of the door, uneven door frame, and imprecise door gap. In order to improve the tightness of the laboratory door, firstly, doors with good corrosion resistance, high temperature resistance, fire resistance and other characteristics, such as steel doors and stainless steel doors, can be adopted, and the tightness of the doors can be effectively improved by the doors made of the materials; secondly, the door frame can be adjusted to be flat and tightly attached to the door; in addition, sealing strips can be additionally arranged to fill the door gaps, such as sealing strips made of rubber sealing strips, silica gel sealing strips and the like are additionally arranged between the door frame and the door leaf, so that the internal and external environments of a laboratory are effectively isolated; when the laboratory door is used, regular inspection and maintenance should be paid attention to, and damaged or aged components are replaced in time, so that the laboratory door is always in a good state. Besides the four treatment modes, the airtight device is additionally arranged in the scheme to further improve the tightness of the laboratory door, so that the place with high tightness is met.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the airtight device for the laboratory door, which enables the door plate and the door frame to be more compact and improves the tightness of the laboratory door.

In order to achieve the object of the utility model, the following scheme is adopted:

the utility model provides a laboratory door sealing device, laboratory door includes door plant and door frame, and door plant one side is installed in door frame one side through a plurality of hinges, and the door plant opposite side passes through sealing device cooperation in the door frame opposite side, and sealing device includes a plurality of airtight mechanisms, a plurality of sealing piece.

The sealing blocks are arranged on the other side of the door frame from top to bottom, the lower half section of the outer side of each sealing block is an inclined plane, and the upper half section is a vertical plane;

inside cavity setting of door plant is equipped with a plurality of assembly casings from the top down in the door plant, an airtight mechanism corresponds an assembly casing and a sealing block, airtight mechanism includes the bull stick, the rotary drum, the gear, the rack, sliding fit is in the assembly casing that corresponds about the rack, a plurality of racks pass through the montant and link together, in the assembly casing is located in the gear rotation, gear and rack engagement, the door plant surface is located to the rotary drum, the rotary drum inner runs through the door plant, connect in the gear after the assembly casing, the rotary drum is worn to locate the rotary drum outer end, the one end of bull stick orientation sealing block is equipped with the wheel that rolls, when sealed, the bull stick uses the rotary drum to rotate as the center, so that the wheel that rolls from the inclined plane to vertical face.

Further, the airtight device comprises three airtight mechanisms and three sealing blocks.

Further, the three airtight mechanisms are a first airtight mechanism, a second airtight mechanism and a third airtight mechanism in sequence from top to bottom, and a handle is arranged at the other end of the rotating rod of the second airtight mechanism.

Further, the rotating rods of the three airtight mechanisms are positioned on the same surface of the door plate, the other surface of the door plate is also provided with a rotating rod and a rotating drum, and the rotating drum on the other surface of the door plate is connected with the gear of the second airtight mechanism.

Further, the rotating rod is fixed through a locking screw after penetrating through the outer end of the rotating cylinder.

The utility model has the beneficial effects that: when the airtight device is additionally arranged on the laboratory door, a worker acts on one of the rotating rods to drive all the rotating rods to rotate, so that a plurality of rolling wheels are matched with corresponding sealing blocks, and the door plate and the door frame are more compact; the airtight device has the advantages of convenient installation and debugging, difficult damage after long-time use, simple and convenient maintenance and the like; the problem of poor tightness can be effectively solved through the airtight device, or the requirement of a high-level laboratory can be met by further improving the tightness.

Drawings

FIG. 1 is an overall block diagram of one side of an embodiment door panel;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a view showing the construction of the interior of a door panel according to an embodiment;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is an overall block diagram of the other side of the door panel of the embodiment;

a front view of one of the sides of the door panel of the embodiment of fig. 6;

FIG. 7 is a front view of the other side of an embodiment door panel.

Detailed Description

In order to improve the tightness of the laboratory door, as shown in fig. 1 and 2, the present embodiment provides a laboratory door airtight device, wherein the other side of the door panel 11 is matched with the other side of the door frame 12 through the airtight device, and the airtight device comprises three airtight mechanisms 21 and three sealing blocks 22.

The three sealing blocks 22 are arranged on the other side of the door frame 12 from top to bottom, and the sealing blocks 22 are arranged at specific positions of the door frame 12 through bolts for convenient installation or disassembly. As shown in fig. 2, the upper half section of the outer side of the sealing block 22 is set as a vertical surface 222, the lower half section is an inclined surface 221, the outer side of the sealing block 22 is directed in a direction away from the door panel 11, the inclined surface 221 is obliquely arranged in a direction toward the door panel 11, and an included angle between the vertical surface 222 and the inclined surface 221 is an obtuse angle.

After one plate on the surface of the door plate 11 is removed, the inner structure of the door plate 11 is exposed, as shown in fig. 2 and 4, the door plate 11 is hollow, three assembly shells 13 are arranged in the door plate 11 from top to bottom, and in the position and the cooperation, one airtight mechanism 21 corresponds to one assembly shell 13 and one sealing block 22. As shown in fig. 1-4, the airtight mechanism 21 comprises a rotating rod 211, a rotating cylinder 212, a gear and a rack 214, wherein the racks 214 are vertically slidably matched with the corresponding assembly shells 13, the three racks 214 are connected together through vertical rods, the gear is rotationally arranged in the assembly shells 13, the gear is meshed with the rack 214, the rotating cylinder 212 is arranged on the outer surface of the door plate 11, the inner end of the rotating cylinder 212 penetrates through the door plate 11 and the assembly shells 13 and then is connected with the gear, the rotating rod 211 penetrates through the outer end of the rotating cylinder 212, a threaded hole is formed in the bottom of the rotating cylinder 212 in the view of fig. 2, a locking screw is arranged in the threaded hole, and the rotating rod 211 penetrates through the outer end of the rotating cylinder 212 and then is fixed through the locking screw.

The end of the rotating rod 211 facing the sealing block 22 is provided with a rolling wheel 2111, when the laboratory door is closed, in the view of fig. 2, a worker acts on the rotating rod 211, the rotating rod 211 rotates anticlockwise around the rotating cylinder 212, in the process, the rolling wheel 2111 rolls upwards along the inclined surface 221, and finally rolls until the vertical surface 222 stops, and the rolling wheel 2111 is subjected to the outward force of the vertical surface 222, so that the door gap is effectively reduced. Note that, because the racks are meshed with the racks 214, the three racks 214 are connected together, and when a worker acts on one of the rotating rods 211, the worker can drive all the rotating rods 211 to rotate, and after all the three rolling wheels 2111 are matched with the corresponding sealing blocks 22, the door panel 11 and the door frame 12 are more tightly sealed.

The three airtight mechanisms 21 in this embodiment are a first airtight mechanism 21, a second airtight mechanism 21, and a third airtight mechanism 21 in this order from top to bottom, wherein the second airtight mechanism 21 is located at a position of a conventional door knob so that a worker acts on the rotating lever 211. In order to improve convenience and reduce the effort of a worker to rotate the rotating lever 211, the second airtight mechanism 21 of the present embodiment is provided with a handle 2112 at the other end of the rotating lever 211.

As shown in fig. 6, the rotating rods 211 of the three airtight mechanisms 21 are located on the same side of the door panel 11, and this side can be designed as the outside of the laboratory door or the inside of the laboratory door. As shown in fig. 5 and 7, in order to enable a worker to open or release the airtight device on both sides of the door panel 11, in this embodiment, a rotating rod 211 and a rotating cylinder 212 are disposed on the other side of the door panel 11, the rotating cylinder 212 on the other side of the door panel 11 is connected to a gear of the second airtight mechanism 21, one end of the rotating rod 211 facing the sealing block 22 does not need to be provided with a rolling wheel 2111, and the other end of the rotating rod 211 is provided with a handle 2112.

To sum up, this embodiment adds the sealing device on laboratory door, and the sealing device has the advantage such as being convenient for installation and debugging, long-time use not fragile, maintenance simple and convenient, can also effectively solve the problem that the leakproofness is poor among the prior art, perhaps satisfies high-level laboratory's demand through further promotion leakproofness.

The above embodiments are merely for illustrating the technical ideas and features of the present utility model, and are not meant to be exclusive or limiting. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims (5)

1. The laboratory door airtight device comprises a door plate (11) and a door frame (12), wherein one side of the door plate (11) is arranged on one side of the door frame (12) through a plurality of hinges;

the sealing blocks (22) are arranged on the other side of the door frame (12) from top to bottom, the lower half section of the outer side of each sealing block (22) is provided with an inclined surface (221), and the upper half section is provided with a vertical surface (222);

door plant (11) inside cavity setting is equipped with a plurality of assembly casings (13) from the top down in door plant (11), an airtight mechanism (21) corresponds an assembly casing (13) and a sealing block (22), airtight mechanism (21) are including bull stick (211), rotary drum (212), gear, rack (214) sliding fit is in assembly casing (13) that correspond from top to bottom, a plurality of racks (214) link together through the montant, gear rotation locates in assembly casing (13), gear and rack (214) meshing, rotary drum (212) are located door plant (11) surface, rotary drum (212) inner runs through door plant (11), be connected in the gear behind assembly casing (13), rotary drum (211) wear to locate rotary drum (212) outer end, one end that bull stick (211) was equipped with roll wheel (2111) towards sealing block (22), when sealed, rotary drum (212) are rotated as the center to make roll wheel (2111) roll to vertical plane (222) from inclined plane (221).

2. Laboratory door sealing device according to claim 1, characterized in that the sealing device comprises three sealing means (21), three sealing blocks (22).

3. Laboratory door airtight device according to claim 2, characterized in that the three airtight mechanisms (21) are, in order from top to bottom, a first airtight mechanism (21), a second airtight mechanism (21), a third airtight mechanism (21), the second airtight mechanism (21) being provided with a handle (2112) at the other end of its rotating rod (211).

4. Laboratory door airtight device according to claim 2, characterized in that the rotating rods (211) of the three airtight mechanisms (21) are located on the same side of the door plate (11), the other side of the door plate (11) is also provided with a rotating rod (211) and a rotating cylinder (212), and the rotating cylinder (212) on the other side of the door plate (11) is connected with the gear of the second airtight mechanism (21).

5. Laboratory door sealing device according to claim 1, characterized in that the swivel rod (211) is fastened by means of a locking screw after being threaded into the outer end of the swivel cylinder (212).