CN216212372U

CN216212372U - Peep window

Info

Publication number: CN216212372U
Application number: CN202121459251.8U
Authority: CN
Inventors: 李阳; 刘世峰; 聂羽飞
Original assignee: China Nuclear Power Engineering Co Ltd
Current assignee: China Nuclear Power Engineering Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-04-05
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a peeping window which comprises an inner side window body, a radiation protection layer, a sealing gasket assembly and a sealing detection assembly, wherein the inner side window body comprises an inner side transparent layer, an inner side gland and a connecting frame, the sealing gasket assembly comprises a first sealing gasket and a second sealing gasket, the inner side transparent layer is arranged between the inner side gland and the connecting frame, the other side of the connecting frame is fixedly connected with the radiation protection layer, the sealing detection assembly comprises a flow guide groove, a pressurizing hole and a sealing screw, the flow guide groove is formed in the connecting frame and communicated with the bottom end of the inner side transparent layer, the pressurizing hole penetrates through the inner side gland and the connecting frame and is communicated with the flow guide groove and the outside air, and the sealing screw is arranged in the pressurizing hole and used for sealing the pressurizing hole. The peep window can effectively reduce the difficulty and the cost of the tightness detection.

Description

Peep window

Technical Field

The utility model belongs to the technical field of nuclear industry, and particularly relates to a peeping window.

Background

The peep window is mainly applied to hot chamber or lead chamber equipment and is used for observing the condition of working equipment in the hot chamber or lead chamber, the hot chamber or lead chamber is a sealed shielding chamber for radioactive test operation, and the chamber is usually in a negative pressure environment. The peep window is an important device of the heat chamber or the lead chamber and is a sealed boundary, and the sealing performance of the peep window is directly related to the normal work of the heat chamber or the lead chamber.

In the prior art, the peep window has good sealing performance, but has great difficulty in sealing performance detection, and as long as the peep window is installed, the peep window can only be used for sealing detection together with the box chamber as one part of the sealing chamber, and when the box chamber with large volume is used for sealing detection, the inspection of leakage points is difficult, and the consumption cost is huge.

Therefore, a peep window convenient for detecting the tightness is needed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a peep window, which can greatly reduce the difficulty of detecting the sealing performance of the peep window, in view of the above disadvantages in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

a peep window comprises an inner side window body, a radiation protection layer, a sealing gasket assembly and a sealing detection assembly, wherein the inner side window body comprises an inner transparent layer, an inner side gland and a connecting frame, the sealing gasket assembly comprises a first sealing gasket and a second sealing gasket, the inner transparent layer is arranged between the inner side gland and the connecting frame, the first sealing gasket is arranged at the contact position of the inner transparent layer and the inner side gland, the second sealing gasket is arranged at the contact position of the inner transparent layer and the connecting frame, the other side of the connecting frame is fixedly connected with the radiation protection layer, the sealing detection assembly comprises a diversion groove, a pressurizing hole and a sealing screw, the diversion groove is arranged on the connecting frame and communicated with the bottom end of the inner transparent layer, the pressurizing hole penetrates through the inner side gland and the connecting frame and is communicated with the diversion groove and the outside air, the sealing screw is arranged in the pressing hole and used for sealing the pressing hole.

Preferably, the sealing screw comprises a screw and a screw gasket.

Preferably, the radiation protection layer is fixedly arranged at one end of the connecting frame, and the radiation protection layer is fixedly arranged at the other end of the connecting frame.

Preferably, the radiation protection layer comprises a radiation protection layer frame and a radiation protection transparent assembly, and the radiation protection layer frame wraps the outer side of the radiation protection transparent assembly.

Preferably, the radiation protection layer frame includes inner frame and outer frame, the inner frame parcel is in the outside of the transparent subassembly of protecting against radiation, outer frame parcel is in the inner frame outside, the one end of inner frame with inboard stratum lucidum fixed connection, the other end with outside stratum lucidum fixed connection, the one end of outer frame with carriage fixed connection, the other end with outside stratum lucidum fixed connection.

Preferably, the radiation-proof transparent component comprises a plurality of radiation-proof transparent layers which are sequentially stacked.

Preferably, the radiation-proof transparent layer is made of lead glass.

Preferably, the inner side pressing cover includes a first annular frame and a first transparent layer, the first transparent layer is installed inside the first annular frame, the outer side pressing cover includes a second annular frame and a second transparent layer, the second transparent layer is installed inside the second annular frame, and the first transparent layer, the second transparent layer and the inner side transparent layer are located at the same height position.

Preferably, the inner transparent layer, the first transparent layer and the second transparent layer are made of lead glass.

Preferably, the number of the first sealing gaskets is two, the first sealing gaskets are respectively arranged at the joint of the two ends of the inner transparent layer and the inner gland, and the number of the second sealing gaskets is two, the second sealing gaskets are respectively arranged at the joint of the two ends of the inner transparent layer and the connecting frame.

According to the utility model, the pressing hole convenient for detecting the sealing property is arranged on one side of the peeping window, so that the sealing property of the peeping window can be easily detected through the pressing hole when the sealing property of the peeping window is detected, the sealing property of the whole box chamber does not need to be detected, and the detection difficulty and cost of the peeping window are effectively reduced.

Drawings

FIG. 1 is a schematic structural view of a peep hole in an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is an enlarged view at I in fig. 2.

In the figure: 1-inner gland, 2-tightness detection component, 21-inner gland sealing gasket, 22-first sealing gasket, 23-second sealing gasket, 24-screw, 25-screw sealing gasket, 26-diversion groove, 27-punching hole, 3-inner transparent layer, 4-connecting frame, 5-outer gland, 6-inner frame, 7-outer frame and 8-radiation-proof transparent component.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. 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 scope of the present invention.

In the description of the present invention, it should be noted that the indication of orientation or positional relationship, such as "on" or the like, is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly or removably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

The utility model provides a peep window, which comprises an inner window, a radiation-proof layer, a sealing gasket component and a sealing detection component, wherein the inner window comprises an inner transparent layer, an inner gland and a connecting frame, the sealing gasket component comprises a first sealing gasket and a second sealing gasket, the inner transparent layer is arranged between the inner gland and the connecting frame, the first sealing gasket is arranged at the contact position of the inner transparent layer and the inner gland, the second sealing gasket is arranged at the contact position of the inner transparent layer and the connecting frame, the other side of the connecting frame is fixedly connected with the radiation-proof layer, the sealing detection component comprises a diversion groove, a pressurizing hole and a sealing screw, the diversion groove is arranged on the connecting frame and communicated with the bottom end of the inner transparent layer, the pressurizing hole penetrates through the inner gland and the connecting frame and is communicated with the diversion groove and the outside air, the sealing screw is arranged in the pressing hole and used for sealing the pressing hole.

Examples

The embodiment discloses a peep window, which comprises an inner side window, a radiation protection layer, a sealing pad assembly and a sealing detection assembly 2, wherein the inner side window comprises an inner side transparent layer 3, an inner side gland 1 and a connecting frame 4, the sealing pad assembly comprises a first sealing pad 22 and a second sealing pad 23, the inner side transparent layer 3 is arranged between the inner side gland 1 and the connecting frame 4, the first sealing pad 22 is arranged at the contact position of the inner side transparent layer 3 and the inner side gland 1, the second sealing pad 23 is arranged at the contact position of the inner side transparent layer 3 and the connecting frame 4, the other side of the connecting frame 4 is fixedly connected with the radiation protection layer, the sealing detection assembly 2 comprises a diversion groove 26, a pressurizing hole 27 and a sealing screw, the diversion groove 26 is arranged on the connecting frame 4 and communicated with the bottom end of the inner side transparent layer 3, the pressurizing hole 27 penetrates through the inner side gland 1 and the connecting frame 4 and is communicated with the outside air, the sealing screw is arranged in the pressurizing hole 27, for sealing the punch hole 27.

In this embodiment, leakproofness measuring subassembly 2 includes guiding gutter 26, suppresses hole 27, sealing screw, and guiding gutter 26, suppresses hole 27 and sets up on inboard window, is convenient for detect the sealing performance of peep window alone through suppressing hole 27 and guiding gutter 26, has greatly reduced the degree of difficulty that sealing performance detected.

As shown in fig. 2 and 3, in particular, the connection frame 4 is a ring-shaped structure and is sleeved on the inner transparent layer 3, and the inner gland 1 compresses the inner transparent layer 3 inside the connection frame 4 from the inside. The diversion trench 26 is opened at the lower part of the connecting frame 4, and the diversion trench 26 is communicated with the bottom end of the inner transparent layer 3 for detecting the air tightness of the first sealing gasket 22 and the second sealing gasket 23, the pressing hole 27 is communicated with the diversion trench 26, and when detection is not needed, the pressing hole 27 can be sealed only by installing a sealing screw in the pressing hole 27.

As shown in fig. 2 and 3, the inner gland 1 is of an annular structure, and the cross section of the inner gland 1 is stepped, that is, the thickness of the outer ring of the inner gland 1 is greater than that of the inner ring, the outer ring is connected with the connecting frame 4, the inner ring is connected with the inner transparent layer 3, the first sealing ring is arranged on the inner ring and the inner transparent layer 3, the inner gland sealing gasket 21 is arranged between the outer ring and the connecting frame 4, and the pressing hole 27 is opened on the outer ring.

As shown in fig. 2, two first sealing gaskets 22 are provided, and are respectively disposed at the joints between the two ends of the inner transparent layer 3 and the inner gland 1, and two second sealing gaskets 23 are provided, and are disposed at the joints between the two ends of the inner transparent layer 3 and the connection frame 4.

Optionally, the sealing screw comprises a screw 24 and a screw sealing gasket 25, when the air tightness of the peeping hole is detected, only the sealing screw 24 needs to be detached, and in other normal working time, the sealing screw can further ensure the air tightness of the peeping hole, and the detaching and installing modes are simple, so that the operation of detecting the sealing performance of the peeping hole is facilitated to be simplified.

As shown in fig. 2, in this embodiment, the peeping hole further includes an outer side pressing cover 5, the outer side pressing cover 5 is fixedly installed at an end of the radiation protection layer far away from the connecting frame 4, further, the outer side pressing cover 5 is located at an outer side of the chamber, that is, an observation side, and the outer side pressing cover 5 is used for pressing the radiation protection layer.

As shown in fig. 2, the radiation protection layer includes a radiation protection layer frame and a radiation protection transparent component 8, and the radiation protection layer frame is wrapped on the outer side of the radiation protection transparent component 8 and used for fixing the radiation protection transparent component 8.

Specifically, the radiation protection layer frame comprises an inner frame 6 and an outer frame 7, the thickness of the inner frame 6 is thick, the inner frame 6 is wrapped outside the radiation protection transparent assembly 8, the outer frame 7 is wrapped outside the inner frame 6, one end of the inner frame 6 is fixedly connected with the inner transparent layer 3, the other end of the inner frame is fixedly connected with the outer transparent layer, one end of the outer frame 7 is fixedly connected with the connecting frame 4, and the other end of the outer frame is fixedly connected with the outer transparent layer.

In this embodiment, the radiation-proof transparent component 8 comprises a plurality of radiation-proof transparent layers which are stacked in sequence, specifically, the radiation-proof transparent layers are made of lead glass, and the thickness of the radiation-proof transparent component 8 can be effectively increased by stacking the plurality of radiation-proof transparent layers, so that the effect of reducing the radiation dose outside the box is achieved.

As shown in fig. 1 and 2, the inner side pressing cover 1 includes a first annular frame and a first transparent layer, the first transparent layer is installed inside the first annular frame, the outer side pressing cover 5 includes a second annular frame and a second transparent layer, the second transparent layer is installed inside the second annular frame, the first transparent layer, the second transparent layer, the inner side transparent layer 3 and the radiation protection transparent layer are all located at the same height position, and it is ensured that most of the view in the chamber can be observed from outside the outer side pressing cover 5.

Optionally, in order to further increase the radiation shielding performance of the viewing window, the inner transparent layer 3, the first transparent layer, and the second transparent layer are made of lead glass.

In this embodiment, suppress hole 27 and guiding gutter 26 and set up on the window of inboard, be favorable to carrying out sealing performance to the peephole alone and detect, reduced the degree of difficulty and the cost that peephole sealing performance detected, also for changing the gasket subassembly and provide the convenience, the double-deck seal structure of first sealed pad 22 and the sealed 23 that fills up of second is favorable to improving its sealed effect, has guaranteed operating personnel's safety effectively.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.

Claims

1. A peep window is characterized by comprising an inner side window, a radiation-proof layer, a sealing pad component and a sealing performance detection component (2),

the inner window comprises an inner transparent layer (3), an inner gland (1) and a connecting frame (4), the sealing gasket component comprises a first sealing gasket (22) and a second sealing gasket (23),

the inner transparent layer (3) is arranged between the inner gland (1) and the connecting frame (4), the first sealing gasket (22) is arranged at the contact position of the inner transparent layer (3) and the inner gland (1), the second sealing gasket (23) is arranged at the contact position of the inner transparent layer (3) and the connecting frame (4), and the other side of the connecting frame (4) is fixedly connected with the radiation-proof layer,

leakproofness determine module (2) include guiding gutter (26), beat hole (27), sealing screw, guiding gutter (26) are seted up in on connecting frame (4), and with the bottom of inboard stratum lucidum (3) is linked together, beat hole (27) and pass inboard gland (1) with connecting frame (4), and the intercommunication guiding gutter (26) and outside air, sealing screw install in beat in the hole (27), be used for sealing beat hole (27).

2. Viewing window according to claim 1, characterized in that the sealing screw comprises a screw (24) and a screw gasket (25).

3. The peep hole according to claim 2, further comprising an outer gland (5), wherein the outer gland (5) is fixedly mounted at one end of the radiation-proof layer far away from the connecting frame (4).

4. The viewing window according to claim 1, wherein the radiation protection layer comprises a radiation protection layer frame and a radiation protection transparent component (8), and the radiation protection layer frame is wrapped on the outer side of the radiation protection transparent component (8).

5. Peep window according to claim 4, characterized in that the radiation protection layer frame comprises an inner frame (6) and an outer frame (7),

the utility model discloses a radiation protection device, including inner frame (6), outer frame (7), inner frame (6) parcel is in the outside of radiation protection transparent subassembly (8), outer frame (7) parcel is in the inner frame (6) outside, the one end of inner frame (6) with inboard stratum lucidum (3) fixed connection, the other end and outside stratum lucidum fixed connection, the one end of outer frame (7) with carriage (4) fixed connection, the other end and outside stratum lucidum fixed connection.

6. Viewing window according to claim 4, characterized in that the radiation-protective transparent component (8) comprises a plurality of radiation-protective transparent layers which are stacked one on top of the other.

7. The viewing window of claim 6, wherein the radiation protective transparent layer is made of lead glass.

8. Viewing window according to claim 3, characterized in that the inner gland (1) comprises a first annular frame and a first transparent layer, which is mounted on the inside of the first annular frame,

the outer side pressing cover (5) comprises a second annular frame and a second transparent layer, the second transparent layer is installed inside the second annular frame, and the first transparent layer, the second transparent layer and the inner side transparent layer (3) are located at the same height position.

9. Viewing window according to claim 8, characterized in that the inner transparent layer (3), the first transparent layer and the second transparent layer are made of lead glass.

10. Peep window according to claim 7, characterized in that the first sealing gasket (22) is provided in two, respectively at the connection of the two ends of the inner transparent layer (3) with the inner gland (1),

the two second sealing gaskets (23) are respectively arranged at the joint of the two ends of the inner transparent layer (3) and the connecting frame (4).