CN216517670U

CN216517670U - Nuclear magnetic resonance shielding room door closing device capable of feeding back control room

Info

Publication number: CN216517670U
Application number: CN202122651016.7U
Authority: CN
Inventors: 崔树军
Original assignee: Tianjin Hongyu Taikang Radiation Protection Engineering Co ltd
Current assignee: Tianjin Hongyu Taikang Radiation Protection Engineering Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-13
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a nuclear magnetic resonance shielding chamber door closing device capable of feeding back a control chamber, and relates to the technical field of shielding chambers. When the device is used normally, the translation door is required to be moved into the device shell firstly, then the push plate is required to be pushed, the push plate drives the supporting rod to move downwards to push the circular plate, and when the circular plate is moved to a fixed position, the round ball enters the card and the groove, so that the circular plate drives the rectangular push rod to bear force on the supporting plate, the pressing plate moves forwards to be attached to the outer surface of the translation door through the pushing of the rectangular push rod, the electromagnetic sealing performance effect is enhanced, the supporting rod is directly pulled out when the pressing plate is required to be moved away, the round ball leaves the card and the groove, the circular plate is not extruded at the moment, and the pressing plate is not extruded on the translation door through the natural force of the first spring.

Description

Nuclear magnetic resonance shielding room door closing device capable of feeding back control room

Technical Field

The utility model relates to the technical field of shielded rooms, in particular to a nuclear magnetic resonance shielded room door closing device capable of controlling a room in a feedback mode.

Background

The electromagnetic shielding chamber is an important content in the field of electromagnetic compatibility, the electromagnetic shielding chamber is a steel plate house, the cold-rolled steel plate is a main shielding material of the electromagnetic shielding chamber, and comprises general house elements such as a six-sided shell, a door and a window, the strict electromagnetic sealing performance is only required, all inlet and outlet pipelines are correspondingly shielded, and then electromagnetic radiation is blocked.

However, in the prior art, the existing shielding room can select two types of opening and closing doors, namely a knife inserting door and a translation door, as entry options of the shielding room, wherein the translation door is attached to the shielding room through a movable door made of a shielding material, and a certain gap is generated between the translation door and the shielding room due to direct attachment, so that the electromagnetic sealing performance effect is poor, and the normal use effect cannot be satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and the gap between the shielding chamber and the translation door is reduced by directly contacting the pressure plate with the outer surface of the translation door, so that the electromagnetic sealing effect is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a but magnetic resonance screening room door closer of feedback control room, includes the device shell, the surface fixed mounting of device shell has the drum, the inner wall fixed mounting of drum has the circular block, the surface slidable mounting of circular block has branch, the surface cover of branch is equipped with the ball, semicircle card and groove have been seted up to the surface of circular block, and semicircle card and groove and ball card and be connected, one side fixed mounting that semicircle card and groove were kept away from to the surface of circular block has first spring, the one end fixed mounting that the circular block was kept away from to first spring has the plectane, one side fixed mounting that first spring was kept away from to the plectane has the rectangle push rod.

As a preferred embodiment, the device housing has sliding grooves on its top and bottom surfaces, and a pressing plate is slidably mounted between the inner walls of the two sliding grooves.

As a preferred embodiment, a support plate is fixedly mounted on the outer surface of the pressing plate, and one side of the support plate, which is far away from the pressing plate, is fixedly connected with the rectangular push rod.

In a preferred embodiment, one end of the first spring is fixedly connected with the outer surface of the circular block, the other end of the first spring is fixedly connected with the outer surface of the circular plate, the outer surface of the circular plate is attached to the inner wall of the cylinder, and one end of the supporting rod, which is far away from the circular ball, extends to the outside of the cylinder.

As a preferred embodiment, the one end fixed mounting that branch extends to the drum outside has the push pedal, the equal fixed mounting in both sides surface of push pedal has the extension board, two the equal fixed mounting in surface of extension board has magnet, the fixed surface of device shell installs two electromagnet, the fixed surface of push pedal installs two second springs.

As a preferred embodiment, the two magnets are opposite to the different magnetic poles of the electromagnetic chuck, and one end of the second spring, which is far away from the push plate, is fixedly connected with the device shell.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. when the device is used normally, the translation door is required to be moved into the shell of the device, then the push plate is required to be pushed, the push plate drives the supporting rod to move downwards to push the circular plate, and when the circular plate is moved to a fixed position, the round ball enters the card and the groove, so that the circular plate drives the rectangular push rod to apply force to the supporting plate, the pressing plate moves forwards to be attached to the outer surface of the translation door through the pushing of the rectangular push rod, the electromagnetic sealing performance effect is enhanced, the supporting rod is directly pulled out when the pressing plate is required to be moved away, the round ball leaves the card and the groove, the circular plate is not extruded at the moment, and the pressing plate is not extruded to the translation door through the natural force of the first spring.

2. According to the push plate, when the push plate is pushed, the power switch of the electromagnetic chuck can be turned on firstly, meanwhile, the push plate can be pushed more laborsavingly through the magnetic connection between the magnet and the electromagnetic chuck, when the push plate is not needed to be used, the power of the electromagnetic chuck is directly turned off, the connection between the electromagnetic chuck and the push plate is lost, and then the support rod is pulled out by a worker under the action of the force of the second spring.

Drawings

FIG. 1 is a perspective view of a NMR shielded room door closer with a feedback controlled room according to the present invention;

FIG. 2 is a schematic cross-sectional view of a cylinder of a NMR shielded room door closer for a feedback-controlled room according to the present invention;

fig. 3 is a schematic diagram of an internal structure of a nmr shielded room door closer capable of controlling a room in a feedback manner.

Illustration of the drawings:

1. a device housing; 2. a cylinder; 3. a circular block; 4. a strut; 5. a ball; 6. a first spring; 7. a circular plate; 8. a rectangular push rod; 9. a support plate; 10. a chute; 11. pressing a plate; 12. pushing the plate; 13. an extension plate; 14. a magnet; 15. an electromagnetic chuck; 16. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-3, the present invention provides a technical solution: a nuclear magnetic resonance shielding chamber door closing device capable of controlling a feedback chamber comprises a device shell 1, a cylinder 2 is fixedly installed on the outer surface of the device shell 1, a round block 3 is fixedly installed on the inner wall of the cylinder 2, a supporting rod 4 is slidably installed on the outer surface of the round block 3, a round ball 5 is sleeved on the outer surface of the supporting rod 4, a semicircular clamp and a groove are formed in the outer surface of the round block 3 and are clamped and connected with the round ball 5, a first spring 6 is fixedly installed on one side, away from the semicircular clamp and the groove, of the outer surface of the round block 3, a round plate 7 is fixedly installed at one end, away from the round block 3, of the first spring 6, a rectangular push rod 8 is fixedly installed on one side, away from the first spring 6, of the round plate 7, sliding grooves 10 are formed in the top surface and the bottom surface of the interior of the device shell 1, a pressing plate 11 is slidably installed between the inner walls of the two sliding grooves 10, and a supporting plate 9 is fixedly installed on the outer surface of the pressing plate 11, one side of the support plate 9, which is far away from the pressing plate 11, is fixedly connected with the rectangular push rod 8, one end of the first spring 6 is fixedly connected with the outer surface of the circular block 3, the other end of the first spring 6 is fixedly connected with the outer surface of the circular plate 7, the outer surface of the circular plate 7 is attached to the inner wall of the cylinder 2, and one end, which is far away from the ball 5, of the support rod 4 extends to the outside of the cylinder 2.

In this embodiment, when the device starts to be used normally, at first, the translation door needs to be moved to the inside of the device shell 1, then the push plate 12 starts to be pushed, at this moment, the push plate 12 will drive the supporting rod 4 to move downwards, the circular plate 7 is pushed, and when the device moves to a fixed position, the round ball 5 can enter the card and the groove, so that the circular plate 7 drives the rectangular push rod 8 to stress the supporting plate 9, the pressing plate 11 moves forwards to be attached to the outer surface of the translation door through the pushing of the rectangular push rod 8, the electromagnetic sealing performance effect is enhanced, and when the pressing plate 11 needs to be moved away, the supporting rod 4 is directly drawn out, the round ball 5 will leave the card and the groove, at this moment, the circular plate 7 will not be extruded any more, and the pressing plate 11 will not be extruded to the translation door through the natural force of the first spring 6.

Example 2

As shown in fig. 1-3, a push plate 12 is fixedly mounted at one end of the support rod 4 extending to the outside of the cylinder 2, extension plates 13 are fixedly mounted on the outer surfaces of two sides of the push plate 12, magnets 14 are fixedly mounted on the outer surfaces of the two extension plates 13, two electromagnetic chucks 15 are fixedly mounted on the outer surface of the device shell 1, two second springs 16 are fixedly mounted on the outer surface of the push plate 12, the two magnets 14 are opposite to the electromagnetic chucks 15 in different magnetic poles, and one end of each second spring 16 far away from the push plate 12 is fixedly connected with the device shell 1.

In this embodiment, when beginning to promote push pedal 12, can open electromagnetic chuck 15's switch earlier, simultaneously through the magnetism connection between magnet 14 and the electromagnetic chuck 15, can be more laborsaving promotion push pedal 12 to when need not using, directly close electromagnetic chuck 15's power, lose the connection between the two, then rethread second spring 16's power when pulling push pedal 12, the auxiliary staff takes branch 4 out.

The working principle of the embodiment is as follows:

as shown in fig. 1-3, when the pushing plate 12 is pushed, the pushing plate 12 drives the supporting rod 4 to move downward to push the circular plate 7, and when the pushing plate moves to a fixed position, the round ball 5 enters the card and the slot, and the supporting rod 4 is fixed by the card and the connection between the round ball 5 and the card and the slot, so that the circular plate 7 drives the rectangular push rod 8 to stress the supporting plate 9, and the pressing plate 11 moves forward to be attached to the outer surface of the sliding door by the pushing of the rectangular push rod 8.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A nuclear magnetic resonance screening chamber door closing device capable of controlling a chamber in a feedback mode comprises a device shell (1) and is characterized in that: the device shell (1) outer fixed surface installs drum (2), the inner wall fixed mounting of drum (2) has round piece (3), the surface slidable mounting of round piece (3) has branch (4), the surface cover of branch (4) is equipped with ball (5), semicircle card and groove have been seted up to the surface of round piece (3), and semicircle card and groove and ball (5) card and be connected, one side fixed mounting that semicircle card and groove were kept away from to the surface of round piece (3) has first spring (6), the one end fixed mounting that round piece (3) were kept away from in first spring (6) has plectane (7), one side fixed mounting that first spring (6) were kept away from in plectane (7) has rectangle push rod (8).

2. The NMR shielded room door closer of claim 1, wherein: the device is characterized in that sliding grooves (10) are formed in the inner top surface and the inner bottom surface of the device shell (1), and a pressing plate (11) is arranged between the inner walls of the sliding grooves (10) in a sliding mode.

3. The nmr shielded room closing device of claim 2, wherein: a support plate (9) is fixedly mounted on the outer surface of the pressing plate (11), and one side, far away from the pressing plate (11), of the support plate (9) is fixedly connected with the rectangular push rod (8).

4. The NMR shielded room door closer of claim 1, wherein: the one end of first spring (6) and the outer fixed surface of circular block (3) are connected, the other end of first spring (6) and the outer fixed surface of plectane (7) are connected, the surface of plectane (7) is laminated with the inner wall of drum (2) mutually, the one end that ball (5) were kept away from in branch (4) extends to the outside of drum (2).

5. The NMR shielded room door closer of claim 1, wherein: branch (4) extend to the outside one end fixed mounting of drum (2) have push pedal (12), the equal fixed mounting in both sides surface of push pedal (12) has extension board (13), two the equal fixed mounting in surface of extension board (13) has magnet (14), the fixed surface of device shell (1) installs two electromagnetic chuck (15), the fixed surface of push pedal (12) installs two second spring (16).

6. The NMR shielded room door closer of claim 5, wherein: the two magnets (14) are opposite to the different magnetic poles of the electromagnetic chuck (15), and one end of the second spring (16) far away from the push plate (12) is fixedly connected with the device shell (1).