CN219306747U - Radiation-proof sealed transfer scanning device - Google Patents

Abstract

The utility model provides a radiation-proof sealing transfer scanning device which comprises a scanning piece, a sliding rail, a wall bushing, a transparent sealing tube, a transfer piece and a sealing plate, wherein the scanning piece is arranged in a non-protection area; the sliding rail is arranged on the ground of the protection area along the horizontal direction; the wall bushing horizontally penetrates through the wall body; the transparent sealing tube is connected to the end part of the wall bushing through the first connecting piece, is positioned in the non-protection area and extends into the scanning piece along the horizontal direction, and the opening of the transparent sealing tube is arranged towards the wall bushing; the transmission piece is connected to the sliding rail in a sliding way and is used for transmitting the experimental animal into the transparent sealing tube; the sealing plate is connected to the transmission piece in a sliding manner, and can be plugged at one end, far away from the transparent sealing tube, of the wall bushing under the driving of the transmission piece. The radiation-proof sealing transfer scanning device provided by the utility model can effectively block radiation from entering the protection area in the process of scanning and checking the experimental animals entering and exiting the non-protection area, so that the damage to the body of a worker is avoided.

Description

Radiation-proof sealed transfer scanning device

Technical Field

The utility model belongs to the technical field of CT scanning equipment, and particularly relates to a radiation-proof sealed transfer scanning device.

Background

The high-grade biosafety laboratory is one of core infrastructures for maintaining national biosafety, and is generally divided into a protection zone and a non-protection zone, wherein the protection zone and the non-protection zone are separated by a wall body, the non-protection zone is used for storing CT scanning equipment for checking animals, and the CT scanning equipment can generate a large amount of radiation when in use and has high radiation hazard to human bodies.

In the actual use process, the experimental animal needs to be transported from a protected area to a non-protected area, and the CT scanning equipment is used for scanning and checking the experimental animal. At present, a protection area and a non-protection area are communicated only through a mode of opening a hole in a wall body, and a protection door for blocking a hole is arranged on the wall body, but the protection door is required to be opened in the process of entering and exiting the non-protection area by experimental animals, and a large amount of radiation enters the protection area when the protection door is in an open state, so that the body of staff in the protection area is damaged.

Disclosure of Invention

The embodiment of the utility model provides a radiation-proof sealing transfer scanning device, which can effectively block radiation from entering a protective area in the process of scanning and checking whether an experimental animal enters or exits a non-protective area, so that the damage to the body of a worker is avoided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the radiation-proof sealing transmission scanning device comprises a scanning piece, a sliding rail, a wall bushing, a transparent sealing tube, a transmission piece and a sealing plate, wherein the scanning piece is arranged in a non-protection area; the sliding rail is arranged on the ground of the protection area along the horizontal direction; the wall bushing horizontally penetrates through the wall body; the transparent sealing tube is connected to the end part of the wall bushing through the first connecting piece, is positioned in the non-protection area and extends into the scanning piece along the horizontal direction, and the opening of the transparent sealing tube is arranged towards the wall bushing; the transmission piece is connected to the sliding rail in a sliding way and is used for transmitting the experimental animal into the transparent sealing tube; the sealing plate is connected to the transmission piece in a sliding manner, and can be plugged at one end, far away from the transparent sealing tube, of the wall bushing under the driving of the transmission piece.

In one possible implementation, the transfer member comprises a scan frame, an extension shaft, and a support bed, the scan frame being slidably coupled to the slide rail; the extension shaft is connected to the scanning frame, extends along the horizontal direction towards the direction close to the transparent sealing tube, and is sleeved on the periphery of the extension shaft in a sliding manner; the bearing bed is arranged at the extending end of the extending shaft and extends to one side far away from the scanning frame in the horizontal direction, and the bearing bed is used for bearing experimental animals.

In some embodiments, a first magnet is embedded on an end surface of the bearing bed, which is close to the scanning frame, and a second magnet for adsorbing with the first magnet is embedded on one side of the sealing plate, which is close to the bearing bed.

In some embodiments, an electromagnet is embedded on the end surface of the wall bushing close to the transmission piece, and an iron block for being attracted by the electromagnet is embedded on one side of the sealing plate close to the wall bushing.

In one possible implementation, the wall bushing is provided with a mounting plate around its periphery, and the plate surface of the mounting plate is perpendicular to the main axis of the wall bushing and is used for being embedded in the wall.

In one possible implementation manner, a first flange protruding towards the periphery is arranged at one end, close to the scanning piece, of the wall bushing, a second flange protruding towards the periphery and in butt fit with the first flange is arranged at the opening end of the transparent sealing tube, and the first connecting piece penetrates through the first flange and the second flange and is used for connecting the first flange and the second flange.

In one possible implementation, the end of the wall bushing near the transfer element is provided with an abutment flange in abutment engagement with the sealing plate.

In one possible implementation, the peripheral edge of the sealing plate is provided with a stop collar bent towards one side of the wall bushing.

In a possible implementation manner, the radiation protection seal transmission scanning device further comprises a plugging plate detachably connected to the end part of the wall bushing, the plugging plate is used for plugging a port of the wall bushing away from one end of the transparent sealing tube, the plugging plate is connected with the wall bushing through a second connecting piece, and one side of the plugging plate away from the wall bushing is provided with a pressure measuring part, a liquid inlet tube and a sampling tube which are communicated with the inside of the wall bushing.

In one possible implementation, a support rod extending downwards and supported on the ground is arranged below the transparent sealing tube, and the support rod is positioned at one end of the transparent sealing tube away from the wall bushing.

Compared with the prior art, the radiation protection seal transfer scanning device provided by the embodiment has the advantages that the sealing plate is gradually abutted and blocked at one end port of the wall bushing close to the transfer piece under the drive of the transfer piece, then the transfer piece continues to move towards the direction close to the scanning piece, the sealing plate can stay at the end port of the wall bushing, and the transfer piece continues to move to the position where the experimental animal reaches the scanning piece. After the experimental animal is scanned, the transfer piece drives the experimental animal to move in the direction away from the scanning piece, and the transfer piece also can support the sealing plate to move in the direction away from the wall bushing, so that the experimental animal returns to the protection area from the non-protection area. Because the transparent sealing tube is only in the communication state with the wall bushing (the transparent sealing tube only has the opening near the one end of wall bushing), the wall bushing communicates with the protection zone again, and in the process of scanning the experimental animal, the port that the wall bushing is located the protection zone is plugged with the closing plate, the tightness of the protection zone and the non-protection zone is increased, and then the radiation can be effectively blocked from entering the protection zone in the process of scanning and checking the experimental animal entering and exiting the non-protection zone, thereby avoiding the damage to the body of the staff.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front cross-sectional structure of a radiation-proof seal transfer scanner according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure at I in FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at II in FIG. 1 according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a front cross-sectional structure of a sealing plate in the radiation-proof seal transmission scanning device according to the embodiment of the utility model, wherein the sealing plate is connected with a wall bushing and a transparent sealing tube;

fig. 5 is a schematic view of a partial enlarged structure at iii in fig. 4 according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. ground surface; 2. a protection zone; 3. a non-protected area; 4. a wall body; 10. a scanning member; 20. a slide rail; 30. wall bushing; 31. a mounting plate; 32. a first flange; 33. an electromagnet; 34. abutting the flange; 40. a transparent sealing tube; 41. a support rod; 42. a second flange; 50. a transmission member; 51. a scanning frame; 52. an extension shaft; 53. a support bed; 531. a first magnet; 60. a sealing plate; 61. a second magnet; 62. iron blocks; 63. a limiting ring; 70. a plugging plate; 71. a pressure measuring part; 72. a liquid inlet pipe; 73. a sampling tube; 80. a first connector; 90. and a second connecting piece.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a description will now be given of a radiation-proof seal transfer scanner device provided by the present utility model. The radiation-proof sealing transmission scanning device comprises a scanning piece 10, a sliding rail 20, a wall bushing 30, a transparent sealing tube 40, a transmission piece 50 and a sealing plate 60, wherein the scanning piece 10 is arranged in a non-protection area 3; the slide rail 20 is arranged on the ground 1 of the protection area 2 along the horizontal direction; the wall bushing 30 is horizontally arranged through the wall 4; the transparent sealing tube 40 is connected to the end of the wall bushing 30 through the first connecting piece 80, the transparent sealing tube 40 is positioned in the non-protection area 3 and extends into the scanning piece 10 along the horizontal direction, and the opening of the transparent sealing tube 40 is arranged towards the wall bushing 30; the transmission piece 50 is slidably connected to the sliding rail 20 and is used for transmitting the experimental animal into the transparent sealing tube 40; the sealing plate 60 is slidably connected to the transmission member 50, and can be plugged at one end of the wall bushing 30 away from the transparent sealing tube 40 under the driving of the transmission member 50.

The embodiment of the application provides a radiation protection seal transfer scanning device, in its in-service use, place the transfer piece 50 earlier on, transfer piece 50 slides along slide rail 20 and drives the experimental animal and pass through wall bushing 30 and get into transparent sealed tube 40, and reach and scan in the scanning piece 10, in this process, shrouding 60 is in wall bushing 30 one end port department near transfer piece 50 under the drive of transfer piece 50 butt shutoff gradually, then transfer piece 50 continues to be moved to the direction that is close to scanning piece 10, because shrouding 60 and transfer piece 50 sliding connection, shrouding 60 can stay in wall bushing 30's port department, transfer piece 50 continues to move to the experimental animal and reach in the scanning piece 10. After the test animal is scanned, the transfer member 50 drives the test animal to move away from the scanning member 10, and the transfer member 50 also supports the sealing plate 60 to move away from the wall bushing 30, so that the test animal returns to the protection area 2 from the non-protection area 3. Because the transparent sealing tube 40 is only in the communication state with the wall bushing 30 (the transparent sealing tube 40 only has an opening near one end of the wall bushing 30), the wall bushing 30 is communicated with the protection area 2, and then radiation can be effectively blocked from entering the protection area 2 in the process of scanning and checking the experimental animals entering and exiting the non-protection area 3, and damage to the body of staff is avoided.

Compared with the prior art, the radiation-proof sealing transfer scanning device provided by the embodiment has the advantages that the sealing plate 60 is gradually abutted and blocked at the port of one end of the wall bushing 30, which is close to the transfer member 50, under the drive of the transfer member 50, then the transfer member 50 continues to move towards the direction, which is close to the scanning member 10, the sealing plate 60 stays at the port of the wall bushing 30, and the transfer member 50 continues to move until experimental animals reach the scanning member 10. After the test animal is scanned, the transfer member 50 drives the test animal to move away from the scanning member 10, and the transfer member 50 also supports the sealing plate 60 to move away from the wall bushing 30, so that the test animal returns to the protection area 2 from the non-protection area 3. Because the transparent sealing tube 40 is only in the communication state with the wall bushing 30, the wall bushing 30 is communicated with the protection area 2 again, and in the process of scanning of experimental animals, the port of the wall bushing 30 in the protection area 2 is plugged by matching with the sealing plate 60, the tightness of the protection area 2 and the non-protection area 3 is increased, and then the radiation can be effectively blocked from entering the protection area 2 in the process of scanning and checking of the experimental animals entering and exiting the non-protection area 3, so that the damage to the body of a worker is avoided.

In one possible implementation, the above-mentioned transferring member 50 adopts the structure shown in fig. 1, referring to fig. 1, the transferring member 50 includes a scan frame 51, an extension shaft 52, and a support bed 53, and the scan frame 51 is slidably connected to the slide rail 20; the extension shaft 52 is connected to the scan frame 51, extends in a direction approaching the transparent sealing tube 40 along a horizontal direction, and the sealing plate 60 is slidably sleeved on the outer periphery of the extension shaft 52; the support bed 53 is disposed at an extending end of the extending shaft 52, and extends horizontally to a side far away from the scan frame 51, and the support bed 53 is used for supporting experimental animals.

Specifically, the scan gantry 51 is self-contained in the CT scanner, and is capable of sliding on the slide rail 20 under the drive of a self-contained drive member on the scan gantry 51. The bed surface of the support bed 53 faces upward. The sealing plate 60 is only in sliding connection with the extension shaft 52, and the bearing bed 53 can limit the movement of the sealing plate 60, so that the sealing plate 60 is prevented from being separated from the extension shaft 52.

When the experimental animal detection device is used, firstly, the sealing plate 60 is stirred to a position abutting against the bearing bed 53, the scanning frame 51 drives the bearing bed 53 with the experimental animal to move towards the direction approaching to the scanning piece 10, the sealing plate 60 is gradually abutted against and blocked at one end port of the wall bushing 30, which is approaching to the transmitting piece 50, under the driving of the scanning frame 51, then the scanning frame 51 continues to move towards the direction approaching to the scanning piece 10, the sealing plate 60 stays at the end port of the wall bushing 30, and the transmitting piece 50 continues to move until the experimental animal arrives in the scanning piece 10. After the test animal is scanned, the scanning frame 51 drives the test animal to move away from the scanning member 10, and the extending shaft 52 also supports the sealing plate 60 to move away from the wall bushing 30, so that the test animal returns to the protection area 2 from the non-protection area 3.

In some embodiments, referring to fig. 2, a first magnet 531 is embedded on an end surface of the support bed 53 near the scanning frame 51, and a second magnet 61 for adsorbing with the first magnet 531 is embedded on a side of the sealing plate 60 near the support bed 53.

Specifically, the arrangement of the first and second magnets 531, 61 facilitates stable connection of the cover plate 60 to the scan gantry 51 when not in use, i.e., in a fixed position before and after use of the cover plate 60. When the scan frame 51 drives the sealing plate 60 to abut against one end of the wall bushing 30 near the scan frame 51, the scan frame 51 continues to move toward the direction near the scan piece 10, so that the first magnet 531 and the second magnet 61 are separated, and the scan frame 51 continues to move to drive the experimental animal into the scan piece 10.

After the scanning is completed, the scanning frame 51 moves in a direction away from the scanning member 10, so that the supporting bed 53 gradually contacts with the sealing plate 60, and the first magnet 531 and the second magnet 61 attract each other and drive the sealing plate 60 to be away from the wall bushing 30.

In some embodiments, referring to fig. 2 and 3, an electromagnet 33 is embedded on an end surface of the wall bushing 30 near the transmission member 50, and an iron block 62 for adsorbing with the electromagnet 33 is embedded on a side of the sealing plate 60 near the wall bushing 30.

Specifically, when the sealing plate 60 abuts against the wall bushing 30, the electromagnet 33 adsorbs the iron block 62 on the sealing plate 60, so that the sealing plate 60 is stably attached to the wall bushing 30, the sealing performance is enhanced, the wall bushing 30 is isolated from the protection area 2, and radiation is further prevented from entering the protection area 2.

In one possible implementation manner, the wall bushing 30 adopts a structure as shown in fig. 1 and fig. 3 to fig. 5, and referring to fig. 1 and fig. 3 to fig. 5, a mounting plate 31 is sleeved on the periphery of the wall bushing 30, and a plate surface of the mounting plate 31 is perpendicular to a main shaft of the wall bushing 30 and is used for being embedded in the wall 4.

Specifically, the mounting plate 31 is poured in the wall body 4, so that the stability of connection between the wall bushing 30 and the wall body 4 is enhanced, and falling of the wall bushing 30 under multiple collision of the cover body and the wall bushing 30 is avoided.

In one possible implementation manner, the wall bushing 30 adopts a structure as shown in fig. 1 and fig. 3 to fig. 5, referring to fig. 1 and fig. 3 to fig. 5, one end of the wall bushing 30 near the scanning element 10 is provided with a first flange 32 protruding towards the periphery, the open end of the transparent sealing tube 40 is provided with a second flange 42 protruding towards the periphery and in abutting fit with the first flange 32, and the first connecting piece 80 penetrates through the first flange 32 and the second flange 42 and is used for connecting the first flange 32 and the second flange 42.

Specifically, the first flange 32 and the second flange 42 are provided such that the first connector 80 connects the wall bushing 30 with the transparent sealing tube 40 for convenience. The first connector 80 includes bolts extending horizontally through the first flange 32 and the second flange 42 and nuts threadedly coupled to the bolts, enhancing the sealing performance between the wall bushing 30 and the transparent sealing tube 40.

In one possible implementation, the wall bushing 30 adopts a structure as shown in fig. 1 and 3 to 5, and referring to fig. 1 and 3 to 5, an end of the wall bushing 30 near the transmission member 50 is provided with an abutting flange 34 that is in abutting engagement with the sealing plate 60.

Specifically, the abutting flange 34 increases the contact area between the wall bushing 30 and the sealing plate 60, i.e., enhances the sealing performance of the sealing plate 60 against the wall bushing 30.

Further, the above feature may be used in combination with an electromagnet 33, the electromagnet 33 being disposed on a side of the abutment flange 34 adjacent to the closure plate 60.

In one possible implementation, the sealing plate 60 is configured as shown in fig. 1 and 2, and referring to fig. 1 and 2, a limiting ring 63 bent toward one side of the wall bushing 30 is provided at an outer peripheral edge of the sealing plate 60.

Specifically, the setting of the limiting ring 63, when the sealing plate 60 abuts against the port of the wall bushing 30, the limiting ring 63 can enclose the periphery of the wall bushing 30, so as to further enhance the sealing performance between the sealing plate 60 and the wall bushing 30.

In one possible implementation manner, the wall bushing 30 adopts a structure as shown in fig. 4 and 5, referring to fig. 4 and 5, the radiation-proof sealed transmission scanning device further includes a plugging plate 70 detachably connected to an end of the wall bushing 30, the plugging plate 70 is used for plugging a port of the wall bushing 30 far away from one end of the transparent sealing tube 40, the plugging plate 70 is connected with the wall bushing 30 through a second connecting piece 90, and a pressure measuring piece 71, a liquid inlet tube 72 and a sampling tube 73 which are communicated with the inside of the wall bushing 30 are disposed on a side of the plugging plate 70 far away from the wall bushing 30.

Specifically, the pressure measuring member 71, the liquid inlet pipe 72, and the sampling pipe 73 are sequentially disposed from top to bottom. After the experimental animal is scanned, the interior of the wall bushing 30 and the transparent sealing tube 40 are required to be disinfected, the blocking plate 70 is connected to one end, far away from the transparent sealing tube 40, of the wall bushing 30 through the second connecting piece 90, disinfectant is input into the wall bushing 30 and the transparent sealing tube 40 through the liquid inlet tube 72, the pressure measuring piece 71 is observed, the internal pressure is timely controlled, after the disinfectant is input, the interior is sampled through the sampling tube 73, the disinfection condition in the wall bushing 30 and the transparent sealing tube 40 is timely known, and the use of staff is facilitated. After sterilization is completed, the closure plate 70 is removed and normal use can continue.

In one possible implementation, the transparent sealing tube 40 adopts the structure shown in fig. 1 and 4, referring to fig. 1 and 4, a supporting rod 41 extending downward and supported on the ground 1 is disposed below the transparent sealing tube 40, and the supporting rod 41 is located at an end of the transparent sealing tube 40 away from the wall bushing 30.

Specifically, the transparent sealing tube 40 is made of polymethyl methacrylate, and the support rods 41 can support one end, far away from the wall bushing 30, of the transparent sealing tube 40, so that the transparent sealing tube 40 is always in a horizontal state, and bending of the transparent sealing tube 40 is avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. Radiation protection seals transmission scanning device, its characterized in that includes:

the scanning piece is used for being arranged in the non-protection area;

the sliding rail is arranged on the ground of the protection area along the horizontal direction;

the wall bushing horizontally penetrates through the wall body;

the transparent sealing tube is connected to the end part of the wall bushing through a first connecting piece, is positioned in the non-protection area and extends into the scanning piece along the horizontal direction, and the opening of the transparent sealing tube faces the wall bushing;

the transmission piece is connected to the sliding rail in a sliding way and is used for transmitting the experimental animal into the transparent sealing tube; and

the sealing plate is connected to the transfer piece in a sliding manner, and can be plugged at one end, far away from the transparent sealing tube, of the wall bushing under the drive of the transfer piece.

2. The radiation-proof sealed transmission scanning apparatus as defined in claim 1, wherein said transmission member comprises:

the scanning frame is connected to the sliding rail in a sliding way;

the extension shaft is connected to the scanning frame, extends along the horizontal direction towards the direction close to the transparent sealing tube, and is sleeved on the periphery of the extension shaft in a sliding manner; and

the bearing bed is arranged at the extending end of the extending shaft and extends towards one side far away from the scanning frame in the horizontal direction, and the bearing bed is used for bearing experimental animals.

3. The radiation-proof seal transfer scanner as defined in claim 2, wherein a first magnet is embedded in an end surface of the support bed adjacent to the scanner frame, and a second magnet for attracting the first magnet is embedded in a side of the sealing plate adjacent to the support bed.

4. The radiation-proof sealed transfer scanning device as claimed in claim 3, wherein an electromagnet is embedded on the end face of the wall bushing close to the transfer member, and an iron block for adsorbing with the electromagnet is embedded on one side of the sealing plate close to the wall bushing.

5. The radiation-proof seal transfer scanning device as claimed in claim 1, wherein a mounting plate is sleeved on the periphery of the wall bushing, and the plate surface of the mounting plate is perpendicular to the main shaft of the wall bushing and is used for being embedded in a wall.

6. The radiation-proof seal transfer scanner of claim 1, wherein a first flange protruding towards the periphery is arranged at one end of the wall bushing close to the scanner, a second flange protruding towards the periphery and in butt fit with the first flange is arranged at the opening end of the transparent seal tube, and the first connecting piece penetrates through the first flange and the second flange and is used for connecting the first flange and the second flange.

7. The radiation-proof seal transfer scanner of claim 1 wherein an end of the wall bushing adjacent the transfer member is provided with an abutment flange in abutment engagement with the closure plate.

8. The radiation-proof seal transfer scanner of claim 1, wherein the peripheral edge of the seal plate is provided with a stop collar bent to one side of the wall bushing.

9. The radiation-proof seal transfer scanning device of claim 1, further comprising a plugging plate detachably connected to the end of the wall bushing, wherein the plugging plate is used for plugging a port of the wall bushing far away from one end of the transparent sealing tube, the plugging plate is connected with the wall bushing through a second connecting piece, and a side of the plugging plate far away from the wall bushing is provided with a pressure measuring part, a liquid inlet tube and a sampling tube which are communicated with the inside of the wall bushing.

10. The radiation-proof seal transfer scanner of claim 1, wherein a support bar extending downward and supported on the ground is provided below the transparent seal tube, the support bar being located at an end of the transparent seal tube remote from the wall bushing.

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