CN216353395U

CN216353395U - Radioactive source storage tank

Info

Publication number: CN216353395U
Application number: CN202122724841.5U
Authority: CN
Inventors: 李桂俊; 吴杰
Original assignee: Gamma Meter Wuxi Co ltd
Current assignee: Gamma Meter Wuxi Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-19
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a radioactive source storage tank which comprises a hollow shell, wherein a first lead block is arranged in the shell, a counter bore with an opening at the top is arranged at the upper end of the shell, a copper rod is arranged in the counter bore, a radioactive source sleeve is inserted into the lower end of the copper rod in an interference manner, and a small hole is formed in the bottom of the radioactive source sleeve; the vertical rotatory stick that wears out the shell in the upper end that is equipped with in the first lead block, the upper end of rotatory stick is equipped with the rotatory lock of being connected with the shell perpendicularly, is equipped with the rotatory section of thick bamboo with the butt of radiation source sleeve bottom on the rotatory stick, is equipped with the import that aligns with the aperture on the rotatory section of thick bamboo, is equipped with the second lead block in the rotatory section of thick bamboo, link up on the second lead block have with the radiation mouth of import intercommunication. According to the utility model, the rotary lock is adopted to drive the rotary cylinder to rotate through the rotary rod, so that the radiation opening is aligned with the small hole, and the radioactive source is opened; the rotating rod is rotated reversely, so that the rotating cylinder is abutted against the small hole, and the radioactive source is closed through the second lead block; simple structure, convenient operation, the radioactive source is easily opened or closed.

Description

Radioactive source storage tank

Technical Field

The utility model relates to the field of radioactive source storage equipment, in particular to a radioactive source storage tank.

Background

The radioactive source is a generic term for a radiation source made of a radioactive substance. The encapsulation mode of the radioactive source can be divided into a sealed radioactive source and a non-sealed radioactive source, and most of industrial, agricultural and medical radioactive sources are sealed radioactive sources; at present, radioactive sources have been widely used in the fields of flaw detection, medical treatment, radiation, scientific research, etc., and people have increasingly widespread application of radioactive sources.

The existing radioactive source storage tank needs high sealing performance, and the radioactive source is difficult to open and close.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a radioactive source storage tank.

The innovation point of the utility model is that the rotary lock drives the rotary cylinder to rotate through the rotary rod, so that the radiation port is aligned with the small hole, and the radioactive source is opened; the rotating rod is rotated reversely, so that the rotating cylinder is abutted against the small hole, and the radioactive source is closed through the second lead block; simple structure, convenient operation, the radioactive source is easily opened or closed.

In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:

a radioactive source storage tank comprises a shell with a hollow interior, wherein a first lead block is arranged in the shell, a counter bore with an opening at the top is arranged at the upper end of the shell, a copper rod with the lower end positioned in the first lead block is arranged in the counter bore, a radioactive source sleeve is inserted into the lower end of the copper rod in an interference mode, and a small hole is formed in the bottom of the radioactive source sleeve; the vertical rotatory stick that wears out the shell in the upper end that is equipped with in the first lead block, the upper end of rotatory stick is equipped with the rotatory lock of being connected with the shell perpendicularly, be equipped with on the rotatory stick with the rotatory section of thick bamboo of radiation source sleeve bottom butt, be equipped with the import with the aperture intercommunication on the rotatory section of thick bamboo, be equipped with the second lead block in the rotatory section of thick bamboo, set up the extension section of thick bamboo in the second lead block, and extend a section of thick bamboo and link up from top to bottom have the radiation mouth with the import intercommunication. A rotary lock is adopted to drive the rotary cylinder to rotate through the rotary rod, so that the radiation opening of the extension cylinder is aligned with the small hole, and the radioactive source is opened; the rotating rod is rotated reversely, so that the rotating cylinder shields the small hole, and the radioactive source is closed through the second lead block; simple structure, convenient operation, the radioactive source is easily opened or closed.

Preferably, the rotary lock comprises a rotary block, a locking bolt and a spring locking pin; the rotating rod is fixed in the middle of the rotating block, two limiting grooves with openings at the tops are formed in the upper end of the shell, the limiting grooves are symmetrically arranged around the central line of the rotating rod, and through holes corresponding to the limiting grooves are formed in the two ends of the rotating block respectively; the spring lock pin comprises an outer barrel, a spring and a pin shaft, the outer barrel is fixed in one of the through holes, the pin shaft is vertically arranged in the outer barrel and moves up and down along the outer barrel through the spring, and the locking bolt is located in the other through hole and is in threaded connection with the through hole. The lower end of the locking bolt is inserted into the limiting groove after the locking bolt is fixedly connected with the through hole, so that the limiting effect is achieved; the spring lock pin penetrates into the through hole, and the lower end of the spring lock pin is inserted into the limiting groove to play a limiting role and prevent the rotating block from rotating; the locking bolt and the spring locking pin are adopted, so that the operation is more convenient.

Preferably, the lower end of the outer barrel is provided with an accommodating groove with the aperture larger than the inner diameter of the outer barrel, the pin shaft is horizontally provided with a baffle plate positioned in the accommodating groove, the spring is sleeved on the pin shaft, the upper end of the spring is connected with the top of the accommodating groove, and the lower end of the spring is connected with the baffle plate. The baffle is adopted, so that when the pin shaft is pulled upwards, the spring can be compressed by the baffle; when the pin shaft is loosened, the pin shaft is ejected out under the action of elastic restoring force of the spring so as to be inserted into the through hole; simple structure and convenient operation.

Preferably, the upper end of the outer barrel is provided with a groove with an upward opening, the outer side wall of the pin shaft is horizontally provided with a cylindrical pin arranged in the groove, and the pin shaft is suitable for driving the cylindrical pin to move up and down along the groove. The groove and the cylindrical pin are arranged to play a guiding role, so that the pin shaft is not prone to being skewed due to the acting force of the spring when moving up and down in the outer barrel, and the pin shaft is convenient to insert into the through hole.

Preferably, the lower end of the rotating rod is horizontally provided with a clamping plate, one side of the clamping plate, which faces the extension cylinder, is provided with a clamping opening, and the extension cylinder is arranged in the clamping opening. Be provided with the bayonet socket, have spacing effect for extend a section of thick bamboo and be difficult for removing, and make things convenient for the drive to extend a section of thick bamboo and rotate along with rotatory stick synchronization, and then make the radiation source opening open or close more smoothly.

Preferably, the extension cylinder and the radiation opening are both conical in shape. The extension cylinder and the radiation opening are both in a conical shape, so that the outlet of the radioactive source can be enlarged, the angle range of radioactive rays can be enlarged, and the measuring range of an object can be enlarged.

The utility model has the beneficial effects that:

1. according to the utility model, the rotary lock is adopted to drive the rotary cylinder to rotate through the rotary rod, so that the radiation opening is aligned with the small hole, and the radioactive source is opened; the rotating rod is rotated reversely, so that the rotating cylinder is abutted against the small hole, and the radioactive source is closed through the second lead block; simple structure, convenient operation, the radioactive source is easily opened or closed.

2. According to the utility model, a locking bolt and a spring lock pin are respectively inserted into the limiting groove to limit and position the rotating block so as to prevent the rotating block from rotating; if two locking bolts are adopted, the locking bolts need to be screwed one by one, and the labor is high; if adopt two spring pin locks, need pull out two pin locks from the perforation simultaneously, and need keep pulling the round pin lock state and just can rotate rotatory piece, otherwise loosen the round pin axle, the round pin axle can the butt on the shell, along with the rotation of rotatory piece and rub on the shell, influence the life of round pin axle.

3. The groove and the cylindrical pin are adopted in the utility model, so that the guide effect is achieved, the pin shaft can conveniently move up and down in the outer barrel, and the pin shaft is not easy to skew.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

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

FIG. 4 is a schematic view of the structure of the catch plate and the extension cylinder.

In the figure:

1. a housing; 11. a counter bore; 12. a limiting groove; 2. a first lead block; 3. a spring lock pin; 31. an outer cylinder; 311. accommodating grooves; 32. a spring; 33. a pin shaft; 34. a baffle plate; 35. a cylindrical pin; 36. a groove; 4. a copper bar; 41. a rotary drum; 42. pulling the block; 43. a second lead block; 5. a radioactive source sleeve; 51. a small hole; 6. rotating the rod; 61. clamping a plate; 62. a bayonet; 7. rotating the block; 71. perforating; 8. locking the bolt; 9. an extension cylinder; 91. a radiation opening.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

The described embodiments are only some embodiments of the utility model, not all 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 and 2, a radioactive source storage tank comprises an inner hollow shell 1, wherein a first lead block 2 is arranged in the shell 1, a counter bore 11 with an open top is formed in the upper end of the shell 1, a copper rod 4 with a lower end arranged in the first lead block 2 is connected with the inner thread of the counter bore 11, a radioactive source sleeve 5 is arranged in the first lead block 2, the lower end of the copper rod 4 is inserted into the radioactive source sleeve 5 to form interference fit, and a small hole 51 is formed in the bottom of the radioactive source sleeve 5.

As shown in fig. 2 and 3, a rotating rod 6 with an upper end penetrating through the housing 1 is vertically arranged in the first lead block 2, and a rotating lock is vertically arranged at the upper end of the rotating rod 6; specifically, rotatory lock is including rotatory piece 7, locking bolt 8 and spring lock round pin 3, and rotatory stick 6 is fixed in the middle part of rotatory piece 7, and shell 1 upper end is equipped with two open-top's spacing groove 12, and spacing groove 12 sets up about the central symmetry of rotatory stick 6, and the perforation 71 that corresponds with spacing groove 12 has been seted up respectively to the both ends of rotatory piece 7. The spring 32 locking pin 3 comprises an outer cylinder 31 vertically fixed in one of the through holes 71, a pin shaft 33 vertically arranged in the outer cylinder 31 and a spring 32 sleeved on the pin shaft 33, wherein the lower end of the outer cylinder 31 is provided with an accommodating groove 311 with an aperture larger than the inner diameter of the outer cylinder 31, the spring 32 is positioned in the accommodating groove 311, a baffle 34 positioned at the lower end of the spring 32 is horizontally arranged on the pin shaft 33, the upper end of the spring 32 is connected with the top of the accommodating groove 311, and the lower end of the spring 32 is connected with the baffle 34. The upper end of the outer cylinder 31 is provided with a groove 36 with an upward opening, and the groove 36 is symmetrically arranged about the center line of the outer cylinder 31, in the embodiment, the groove 36 is U-shaped. The outer side wall of the pin shaft 33 is horizontally provided with a cylindrical pin 35 positioned in the corresponding groove 36, the top end of the pin shaft 33 is horizontally provided with a pull block 42, and when the pin shaft 33 moves up and down in the outer cylinder 31, the cylindrical pin 35 is driven to move in the corresponding groove 36 so as to limit the movement of the pin shaft 33. The locking bolt 8 is screwed into the other through hole 71.

As shown in fig. 2 and 4, the rotary rod 6 is provided with a rotary cylinder 41 abutting against the bottom of the radioactive source sleeve 5, a second lead block 43 is provided in the rotary cylinder 41, an extension cylinder 9 is provided in the second lead block 43, the extension cylinder 9 is conical, a conical radiation opening 91 penetrates through the extension cylinder 9 from top to bottom, and an inlet is provided on the rotary cylinder 41 at the upper end of the radiation opening 91 and communicates the small hole 51 with the radiation opening 91. The lower end of the rotating rod 6 is horizontally provided with a clamping plate 61, one side of the clamping plate 61 facing the extension cylinder 9 is provided with an opening, and the extension cylinder 9 is positioned in the bayonet 62.

In view of the above, it is desirable to provide,

when the radioactive source needs to be opened, the locking bolt 8 is screwed out of the through hole 71, the lower end of the locking bolt 8 is separated from the limiting groove 12, then the pulling block 42 is pulled, the pin shaft 33 is pulled to move so as to separate the pin shaft 33 from the limiting groove 12, at the moment, the stopper compresses the spring 32, then the rotating block 7 is rotated, the rotating rod 6 drives the rotating cylinder 41 to rotate, so that the small hole 51, the inlet and the radiation opening 91 are aligned, and the radioactive source is opened; when the radiation source was closed, the rotatory piece 7 of reverse rotation drives rotatory section of thick bamboo 41 through rotatory stick 6 and rotates for rotatory section of thick bamboo 41 shelters from aperture 51, closes the radiation source through second lead 43, loosens and draws piece 42, and round pin axle 33 penetrates corresponding spacing groove 12 under the effect of spring 32 elastic restoring force, screws up locking bolt 8, makes the lower extreme of locking bolt 8 penetrate in spacing groove 12.

Claims

1. A radioactive source storage tank comprises a shell with a hollow interior, and is characterized in that a first lead block is arranged in the shell, a counter bore with an opening at the top is arranged at the upper end of the shell, a copper rod with the lower end positioned in the first lead block is arranged in the counter bore, a radioactive source sleeve is inserted into the lower end of the copper rod in an interference manner, and a small hole is formed in the bottom of the radioactive source sleeve;

the vertical rotatory stick that wears out the shell in the upper end that is equipped with in the first lead block, the upper end of rotatory stick is equipped with the rotatory lock of being connected with the shell perpendicularly, be equipped with on the rotatory stick with the rotatory section of thick bamboo of radiation source sleeve bottom butt, be equipped with the import with the aperture intercommunication on the rotatory section of thick bamboo, be equipped with the second lead block in the rotatory section of thick bamboo, set up the extension section of thick bamboo in the second lead block, and extend a section of thick bamboo and link up from top to bottom have the radiation mouth with the import intercommunication.

2. The radioactive source storage canister of claim 1, wherein the rotation lock comprises a rotation block, a locking bolt, and a spring lock pin;

the rotating rod is fixed in the middle of the rotating block, two limiting grooves with openings at the tops are formed in the upper end of the shell, the limiting grooves are symmetrically arranged around the central line of the rotating rod, and through holes corresponding to the limiting grooves are formed in the two ends of the rotating block respectively;

the spring lock pin comprises an outer barrel, a spring and a pin shaft, the outer barrel is fixed in one of the through holes, the pin shaft is vertically arranged in the outer barrel and moves up and down along the outer barrel through the spring, the locking bolt is in threaded connection with the other through hole, and the lower end of the locking bolt is located in the corresponding limiting groove.

3. The radioactive source storage tank as claimed in claim 2, wherein the lower end of the outer cylinder is provided with a receiving groove having a diameter larger than the inner diameter of the outer cylinder, the pin is horizontally provided with a baffle plate positioned in the receiving groove, the spring is sleeved on the pin, the upper end of the spring is connected with the top of the receiving groove, and the lower end of the spring is connected with the baffle plate.

4. The radioactive source storage tank of claim 3, wherein the upper end of the outer cylinder is provided with a groove with an upward opening, the outer side wall of the pin shaft is horizontally provided with a cylindrical pin arranged in the groove, and the pin shaft is suitable for driving the cylindrical pin to move up and down along the groove.

5. The radioactive source storage tank of claim 3, wherein the lower end of the rotating rod is horizontally provided with a clamping plate, a bayonet is arranged on one side of the clamping plate facing the extension cylinder, and the extension cylinder is arranged in the bayonet.

6. The radioactive source storage canister of claim 1, wherein the extension cylinder and the radiation port are each conical in shape.