CN221074012U - Radiation-proof movable airtight door - Google Patents

Abstract

The utility model discloses a radiation-proof movable airtight door, which comprises a door frame, a door leaf, a driving assembly and a sliding support assembly, wherein the door leaf is arranged in an inner cavity of the door frame and matched with the inner cavity of the door frame in shape and size, and the driving assembly drives the door leaf to axially translate along the door frame; the edge of one side of the door frame far away from the wall body is provided with a limiting skirt edge extending inwards; pulleys are symmetrically arranged at two ends of the bottom surface of the bottom edge of the door frame, rollers are symmetrically arranged at two sides of the top surface of the bottom edge, and the rollers are in rolling connection with the door frame; the movable door leaf moves along the axial direction of the door frame, so that the door opening can be completely sealed, and radiation leakage is effectively prevented; the structural design is scientific, and the popularization and the application are easy.

Description

Radiation-proof movable airtight door

Technical Field

The utility model relates to the field of radiation-proof accessories, in particular to a radiation-proof movable airtight door.

Background

Based on the shielding protection of three elements of radiation protection, the ionizing radiation protection door is shielding protection equipment for blocking radiation in practice, namely, a certain barrier is arranged between a human body and a radiation source by utilizing the principle that radiation can be weakened when passing through substances, so that the irradiated dose of the human body is reasonably reduced to the lowest possible level. In many special occasions, such as some control machine rooms, laboratories and the like, professional radiation protection and vacuum or negative pressure tests are required, such as door openings formed in the wall body in fig. 1, the common movable door does not have the sealing and radiation protection functions, but most radiation protection doors in the market at present cannot realize the sealing of the door openings, and cannot be used for vacuum or micro negative pressure tests of a closed space.

Disclosure of utility model

The utility model aims to provide a radiation-proof movable airtight door.

The utility model aims at innovation points that: the door leaf moves along the axial direction of the door frame, so that the door opening can be completely sealed, radiation leakage can be effectively prevented, and the door leaf can be used for vacuum or micro negative pressure test of a closed space; the structural design is scientific, and the popularization and the application are easy.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

A radiation-proof movable airtight door comprises a door frame, a door leaf, a driving assembly and a sliding support assembly, wherein the door leaf is arranged in an inner cavity of the door frame and matched with the inner cavity of the door frame in shape and size, and the driving assembly is used for driving the door leaf to axially translate along the door frame; the edge of one side of the door frame far away from the wall body is provided with a limiting skirt edge extending inwards; pulleys are symmetrically arranged at two ends of the bottom surface of the bottom edge of the door frame, rollers are symmetrically arranged at two sides of the top surface of the top edge, and the rollers are rotatably connected with the door frame; the sliding support assembly comprises a mounting seat and a plurality of rolling pins arranged in the mounting seat, the mounting seat is spliced with a groove arranged on the top surface of the bottom edge of the door frame, and two ends of the rolling pins are rotatably connected with the mounting seat and are uniformly distributed along the axial direction of the door frame; the driving component is a driving cylinder; the driving cylinder is fixed on the limiting skirt edge, the end part of the telescopic end of the driving cylinder is connected with the side wall of the door leaf, and the bottom surface of the door leaf is placed on the sliding support assembly.

Further, a plurality of limiting clamping petals are further arranged on the edge of one side, close to the wall, of the door frame.

Further, a housing is arranged outside the pulley.

Further, at least two sliding support assemblies are arranged and evenly distributed along the top surface of the bottom edge of the door frame at radial intervals.

Further, at least four driving cylinders are arranged and symmetrically arranged at the top edge and the bottom edge of the door frame.

Further, at least four driving cylinders are arranged and symmetrically arranged on the left side and the right side of the door frame.

Furthermore, guide blocks are further arranged on the inner sides of the two side edges of the door frame, and notches matched with the guide blocks are formed in the left side and the right side of the door leaf.

Further, the inside of the door frame and the inside of the door leaf are provided with radiation-proof lead layers.

The beneficial effects of the utility model are as follows:

First: the door leaf is utilized to axially move along the door frame, so that the door opening can be completely sealed, radiation leakage can be prevented on one hand, and on the other hand, after indoor vacuumizing, the indoor vacuum or micro negative pressure state can be maintained due to good sealing property of the door leaf and the door opening, so that the door leaf can be used for vacuum or micro negative pressure testing.

Second,: the structural design is scientific, and the popularization and the application are easy.

Drawings

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

Fig. 2 is a schematic view of a door frame.

Fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: the door frame 10 is door frame 11 is spacing shirt rim, 12 is pulley, 13 is roller, 14 is the recess, 15 is spacing clamping lamella, 16 is the housing, 17 is the guide block, 20 is the door leaf, 30 is the actuating cylinder, 40 is the slip supporting component, 41 is the mount pad, 42 is the kingpin, 50 is the wall body, 51 is the door opening, 52 is the flange, 53 upper rail, 54 is the lower rail.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

The radiation-proof movable airtight door comprises a door frame 10, a door leaf 20, a driving assembly and a sliding support assembly 40, wherein the door leaf 20 is arranged in an inner cavity of the door frame 10 and matched with the inner cavity of the door frame 10 in shape and size, and the driving assembly is used for driving the door leaf 20 to axially translate along the door frame 10; an inward extending limit skirt 11 is arranged at the edge of one side of the door frame 10 far away from the wall body 50; pulleys 12 are symmetrically arranged at two ends of the bottom surface of the bottom edge of the door frame 10, rollers 13 are symmetrically arranged at two sides of the top surface of the top edge, and the rollers 13 are rotatably connected with the door frame 10; the sliding support assembly 40 comprises a mounting seat 41 and a plurality of rolling pins 42 arranged in the mounting seat 41, wherein the mounting seat 41 is inserted into a groove 14 arranged on the top surface of the bottom edge of the door frame 10, and two ends of each rolling pin 42 are rotatably connected with the mounting seat 41 and are uniformly distributed along the axial direction of the door frame 10; the driving component is a driving cylinder 30; the driving cylinder 30 is fixed on the limit skirt 11, the telescopic end of the driving cylinder 30 is connected with the side wall of the door leaf 20, and the bottom surface of the door leaf 20 is placed on the sliding support assembly 40.

Further, the driving component can also be a hydraulic cylinder or other telescopic push rods with telescopic functions.

Further, the wall 50 is provided with a door opening 51, a flange 52 is provided at the edge of the door opening 51, the pulley 12 at the bottom of the door frame 10 is provided on the lower rail 54, the roller 13 is provided in the upper rail 53, the door frame 10 can move along the lower rail 54 to completely cover the door opening 51, but cannot seal, at this time, the driving cylinder 30 pushes the door leaf 20 to move toward the wall 50 to completely block the door opening 51, and a sealing rubber layer can be provided on the flange 52, or a sealing rubber layer is provided at the edge of the door leaf 20 to completely seal the door opening 51.

Further, because the door leaf 20 and the door opening 51 are completely sealed, the vacuum or micro negative pressure in the room can be maintained after the indoor vacuum is pumped, so that the door leaf can be used in a micro negative pressure (0.05-0.1 negative pressure) testing environment (place).

Further, in one mounting seat 41, at least 3 rolling pins 42 are provided, the bottom surface of the door leaf 20 is placed on the rolling pins 41, and when the driving cylinder 30 pushes the door leaf 20 to move, the movement is smoother due to the existence of the rolling pins 41, and the door leaf 20 can be supported.

Further, the door frame 10 is further provided with a plurality of limiting clamping pieces 15 near to the edge of one side of the wall 50, and the limiting clamping pieces 15 can be arranged on the top edge and the bottom edge of the door frame 10, and can also be arranged on the left side edge and the right side edge of the door frame, and mainly limit the translation distance of the door leaf 20.

Further, a housing 16 is provided in addition to the pulley 12.

Further, at least two sliding support assemblies 40 are provided, at least four driving cylinders 30 are provided and symmetrically arranged along the bottom edge and the top edge of the door frame 10, and 3 sliding support assemblies 40 and four driving cylinders 30 are provided in fig. 2, which can be determined according to the size and the weight of the door leaf 20.

Further, at least four driving cylinders 30 are symmetrically disposed at left and right sides of the door frame 10.

Further, the number and arrangement of the driving cylinders 30 may be determined according to the size of the door leaf 20, so long as the door leaf 20 can be tightly pressed against the door opening 51.

Further, the inner sides of the two sides of the door frame 10 are further provided with guide blocks 17, and the left and right sides of the door leaf 20 are provided with notches (not shown in the figure) matching with the guide blocks 17, which is a prior art and will not be described herein.

Further, radiation-proof lead layers are arranged in the door frame 10 and the door leaf 20.

The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (8)

1. A radiation protection removes airtight door which characterized in that: the sliding door comprises a door frame (10), a door leaf (20) arranged in an inner cavity of the door frame (10) and matched with the inner cavity of the door frame (10) in shape and size, a driving assembly for driving the door leaf (20) to axially translate along the door frame (10) and a sliding support assembly (40); a limiting skirt edge (11) extending inwards is arranged at the edge of one side of the door frame (10) far away from the wall body (50); pulleys (12) are symmetrically arranged at two ends of the bottom surface of the bottom edge of the door frame (10), rollers (13) are symmetrically arranged at two sides of the top surface of the top edge, and the rollers (13) are rotatably connected with the door frame (10); the sliding support assembly (40) comprises a mounting seat (41) and a plurality of rolling pins (42) arranged in the mounting seat (41), the mounting seat (41) is spliced with a groove (14) formed in the top surface of the bottom edge of the door frame (10), and two ends of each rolling pin (42) are rotatably connected with the mounting seat (41) and are uniformly distributed along the axial direction of the door frame (10); the driving component is a driving cylinder (30); the driving cylinder (30) is fixed on the limiting skirt edge (11), the end part of the telescopic end of the driving cylinder (30) is connected with the side wall of the door leaf (20), and the bottom surface of the door leaf (20) is placed on the sliding support assembly (40).

2. A radiation protection mobile air tight door according to claim 1, characterized in that: and a plurality of limiting clamping flaps (15) are further arranged on the edge of one side, close to the wall body (50), of the door frame (10).

3. A radiation protection mobile air tight door according to claim 1, characterized in that: a housing (16) is arranged outside the pulley (12).

4. A radiation protection mobile air tight door according to claim 1, characterized in that: the sliding support assemblies (40) are at least two, and are uniformly distributed along the top surface of the bottom edge of the door frame (10) at radial intervals.

5. A radiation protection mobile air tight door according to claim 1, characterized in that: at least four driving cylinders (30) are symmetrically arranged at the top edge and the bottom edge of the door frame (10).

6. A radiation protection mobile air tight door according to claim 1, characterized in that: the driving cylinders (30) are at least four and symmetrically arranged on the left side and the right side of the door frame (10).

7. A radiation protection mobile air tight door according to claim 1, characterized in that: guide blocks (17) are further arranged on the inner side surfaces of the left side and the right side of the door frame (10), and notches matched with the guide blocks (17) are formed in the two sides of the door leaf (20).

8. A radiation protection mobile air tight door according to claim 1, characterized in that: and the inside of the door frame (10) and the inside of the door leaf (20) are respectively provided with a radiation-proof lead layer.