Radioactive waste liquid nuclear radiation detection device with probe easy to replace

Abstract

The utility model discloses a radioactive waste liquid nuclear radiation detection device with a probe easy to replace, which belongs to the technical field of nuclear radiation detection and comprises a tube body. The upper end of the tube body is provided with a dismounting assembly used for installing a probe. A limiting assembly is installed in the dismounting assembly. The dismounting assembly and the limiting assembly are both connected with the probe. The dismounting and mounting assembly comprises a pipeline assembly and a fixing assembly. A pipeline assembly is installed at the upper end of the pipe body, and the upper end of the pipeline assembly is connected with the fixing assembly. By means of the mode, when the probe needs to be replaced, the top cover is rotated, the limiting rod slides out along the clamping groove in the clamping ring, then the top cover is lifted upwards, and the limiting rod can be taken out of the clamping groove; and then the limiting assembly is opened, so that the probe can move freely, and the probe is taken out and is convenient to replace and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear radiation detection, in particular to a radioactive waste liquid nuclear radiation detection device with easy-to-replace probes. Background Art

[0002] Medical radioactive waste liquid mainly comes from radiological diagnosis and treatment in nuclear medicine departments of hospitals. Patients undergo ECT and PET-CT imaging examinations and need to be injected with radioactive drugs. The urine and feces produced during the period and the water used by medical staff for injection and cleaning are all medical radioactive waste liquid. Medical radioactive waste liquid cannot be discharged directly, but needs to be decayed and can only be discharged after the radioactivity meets the standard. Therefore, it is necessary to test the radioactivity of the waste liquid to ensure that the discharged waste liquid meets the discharge standard, or to facilitate environmental protection treatment later.

[0003] Chinese patent CN202404239U discloses an embedded radioactive liquid specific activity detection device, which performs real-time detection by embedding a probe into a tube body.

[0004] However, the above patent is not convenient for replacing and maintaining the probe, and the disassembly and assembly is relatively complicated.

[0005] Based on this, the utility model designs a radioactive waste liquid nuclear radiation detection device with easy-to-replace probe to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a radioactive waste liquid nuclear radiation detection device with easy-to-replace probe.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A radioactive waste liquid nuclear radiation detection device with easy-to-replace probe, comprising a tube body;

[0009] The upper end of the tube body is equipped with a disassembly and assembly component for installing the probe;

[0010] A limit assembly is installed inside the disassembly assembly, and both the disassembly assembly and the limit assembly are connected to the probe;

[0011] The disassembly and assembly component comprises a pipeline component and a fixing component; the pipeline component is installed on the upper end of the pipe body, and the upper end of the pipeline component is connected to the fixing component.

[0012] Furthermore, the pipeline assembly includes a vertical tube and a top cover; the lower end of the vertical tube is fixedly connected to the tube body and interconnected, the upper end of the vertical tube is plugged into the lower end of the top cover, the top of the vertical tube is in contact with the bottom of the top cover; the bottom of the top cover is in contact with the top of the probe; the bottom of the top cover is connected to the limit assembly; the bottom of the top cover and the upper end of the side wall of the vertical tube are both connected to the fixed assembly.

[0013] Furthermore, the inner wall of the vertical tube is in contact with and connected to the lower end of the side wall of the probe.

[0014] Furthermore, a sealing ring is embedded and connected to the inner wall of the vertical tube, and the inner wall of the sealing ring is in contact with and connected to the side wall of the probe.

[0015] Furthermore, the fixing assembly includes a connecting plate, a limiting rod, a clamping ring and a clamping groove; a plurality of connecting plates are fixedly connected to the bottom of the top cover, and the lower ends of the side walls of the connecting plates are fixedly connected to the limiting rods; the upper ends of the side walls of the vertical tubes are fixedly connected to the inner walls of the clamping rings, and the side walls of the clamping rings are provided with clamping grooves that cooperate with each set of limiting rods.

[0016] Furthermore, the connecting plates are provided in two groups which are symmetrical with respect to each other.

[0017] Furthermore, the limiting assembly includes an inner boss, a slide groove, a slide plate and a hand-pull groove; the bottom of the top cover is fixedly connected with the inner boss, and a plurality of slide grooves are provided on the inner boss, and the inner walls of the slide grooves are respectively connected with the side walls of the slide plate in a limiting sliding manner; the inner wall of the inner boss is in contact with the side wall of the raised end of the probe, and the top of the inner end of the inner boss is in contact with the bottom of the raised end of the probe.

[0018] Furthermore, the slide grooves have two groups that are symmetrical on the left and right.

[0019] Furthermore, the outer end side wall of the slide plate is in contact with and connected to the side wall of the vertical tube.

[0020] Furthermore, the bottom of the skateboard is provided with a hand-pull groove for facilitating pulling out the skateboard.

[0021] The utility model has the following technical effects:

[0022] 1. When the probe of the utility model needs to be replaced, the top cover is rotated, and the limit rod slides out along the clamping groove on the clamping ring, and then the top cover is lifted upward to remove the limit rod from the clamping groove; then the limit assembly is opened to allow the probe to move freely, and the probe is taken out for easy replacement and maintenance;

[0023] 2. When the probe of the utility model needs to be replaced, the slide plate is pulled outward from the slide groove so that the probe can be taken out; then a new probe is replaced, and the slide plate is pushed back into the slide groove, and the top of the slide plate clamps the raised end of the probe; then the probe is reinserted into the vertical tube until the bottom of the top cover contacts the top of the vertical tube; at this time, the outer end of the slide plate is supported by the inner wall of the vertical tube and cannot move, thereby fixing the probe; the probe is disassembled and assembled by pushing and pulling the slide plate, and the structure is simple, which is convenient for quick replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a stereoscopic diagram of a radioactive waste liquid nuclear radiation detection device with easy-to-replace probe of the utility model;

[0026] Figure 2 It is a front view of a radioactive waste liquid nuclear radiation detection device with easy-to-replace probe of the utility model;

[0027] Figure 3 It is a left view of a radioactive waste liquid nuclear radiation detection device with easy-to-replace probe of the utility model;

[0028] Figure 4 For along Figure 3 AA direction cross-sectional view;

[0029] Figure 5 This is a disassembly diagram of a radioactive waste liquid nuclear radiation detection device with easy probe replacement according to the utility model;

[0030] Figure 6 for Figure 4 Enlarged view of point B in the middle.

[0031] The numbers in the figure represent:

[0032] 1. Pipe body; 2. Disassembly and assembly components; 21. Pipe components; 211. Vertical pipe; 212. Top cover; 22. Fixing components; 221. Connecting plate; 222. Limiting rod; 223. Snap ring; 224. Snap groove; 3. Limiting components; 31. Inner boss; 32. Slide groove; 33. Slide plate; 34. Hand-pull groove; 4. Probe; 5. Sealing ring. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The utility model is further described below in conjunction with embodiments.

[0035] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0036] Example 1

[0037] Please refer to the instruction manual Figure 1-6 , a radioactive waste liquid nuclear radiation detection device with easy-to-replace probe, comprising a tube body 1;

[0038] The upper end of the tube body 1 is provided with a disassembly and assembly component 2 for installing the probe;

[0039] The disassembly assembly 2 is internally provided with a limit assembly 3, and both the disassembly assembly 2 and the limit assembly 3 are connected to a probe 4;

[0040] The disassembly assembly 2 includes a pipeline assembly 21 and a fixing assembly 22 ; the pipeline assembly 21 is installed on the upper end of the pipe body 1 , and the upper end of the pipeline assembly 21 is connected to the fixing assembly 22 .

[0041] The pipeline assembly 21 includes a vertical tube 211 and a top cover 212; the lower end of the vertical tube 211 is fixedly connected to the tube body 1 and interconnected, the upper end of the vertical tube 211 is plugged into the lower end of the top cover 212, the top of the vertical tube 211 is in contact with the bottom of the top cover 212; the bottom of the top cover 212 is in contact with the top of the probe 4; the bottom of the top cover 212 is connected to the limit assembly 3; the bottom of the top cover 212 and the upper end of the side wall of the vertical tube 211 are both connected to the fixed assembly 22.

[0042] Preferably, the inner wall of the vertical tube 211 is in contact with and connected to the lower end of the side wall of the probe 4 .

[0043] Preferably, a sealing ring 5 is embedded and connected to the inner wall of the vertical tube 211 , and the inner wall of the sealing ring 5 is in contact with and connected to the side wall of the probe 4 .

[0044] The fixing assembly 22 includes a connecting plate 221, a limiting rod 222, a clamping ring 223 and a clamping groove 224; a plurality of connecting plates 221 are fixedly connected to the bottom of the top cover 212, and the lower ends of the side walls of the connecting plates 221 are fixedly connected to the limiting rods 222; the upper ends of the side walls of the vertical tubes 211 are fixedly connected to the inner walls of the clamping rings 223, and the side walls of the clamping rings 223 are provided with clamping grooves 224 that cooperate with the limiting rods 222.

[0045] Preferably, the connecting plates 221 have two groups that are symmetrical on the left and right.

[0046] When the device is working, waste liquid passes through the tube body 1, and the probe 4 detects the radioactivity of the waste liquid; when the probe 4 needs to be replaced, the top cover 212 is rotated, and the limiting rod 222 slides out along the clamping groove 224 on the clamping ring 223, and then the top cover 212 is lifted upward to remove the limiting rod 222 from the clamping groove 224; then the limiting assembly 3 is opened to allow the probe 4 to move freely, and the probe 4 is taken out for easy replacement and maintenance.

[0047] Example 2

[0048] like Figure 1-6 As shown, as a preferred embodiment of the utility model, the limit assembly 3 includes an inner boss 31, a slide groove 32, a slide plate 33 and a hand-pull groove 34; the bottom of the top cover 212 is fixedly connected with the inner boss 31, and a plurality of slide grooves 32 are provided on the inner boss 31, and the inner walls of the slide grooves 32 are respectively connected to the side walls of the slide plate 33 for limiting sliding; the inner wall of the inner boss 31 is in contact with the side wall of the raised end of the probe 4, and the top of the inner end of the inner boss 31 is in contact with the bottom of the raised end of the probe 4.

[0049] Preferably, the slide grooves 32 have two groups that are symmetrical on the left and right.

[0050] Preferably, the outer end side wall of the slide plate 33 is in contact with and connected to the side wall of the vertical tube 211 .

[0051] When the device is working and the probe 4 needs to be replaced, the slide plate 33 is pulled outward from the slide groove 32 so that the probe 4 can be taken out; then a new probe 4 is replaced and the slide plate 33 is pushed back into the slide groove 32, and the top of the slide plate 33 clamps the raised end of the probe 4; then the probe 4 is reinserted into the vertical tube 211 until the bottom of the top cover 212 contacts the top of the vertical tube 211; at this time, the outer end of the slide plate 33 is supported by the inner wall of the vertical tube 211 and cannot move, thereby fixing the probe 4; the probe 4 is disassembled and assembled by pushing and pulling the slide plate 33, the structure is simple, and it is convenient for quick replacement.

[0052] Example 3

[0053] like Figure 1-6As shown in FIG. 1 , as a preferred embodiment of the present utility model, preferably, a hand-pull groove 34 is provided at the bottom of each of the slide plates 33 for facilitating pulling out the slide plates 33 .

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A radioactive waste liquid nuclear radiation detection device with an easily replaceable probe, comprising a tube body (1), characterized in that: The upper end of the tube body (1) is provided with a disassembly and assembly component (2) for installing a probe; A limit assembly (3) is installed inside the disassembly assembly (2), and both the disassembly assembly (2) and the limit assembly (3) are connected to the probe (4); The disassembly assembly (2) comprises a pipe assembly (21) and a fixing assembly (22); the pipe assembly (21) is installed at the upper end of the pipe body (1), and the upper end of the pipe assembly (21) is connected to the fixing assembly (22); The pipeline assembly (21) comprises a vertical tube (211) and a top cover (212); the lower end of the vertical tube (211) is fixedly connected to the tube body (1) and communicates with each other; the upper end of the vertical tube (211) is plugged into the lower end of the top cover (212); the top of the vertical tube (211) is in contact with the bottom of the top cover (212); the bottom of the top cover (212) is in contact with the top of the probe (4); the bottom of the top cover (212) is connected to the limit assembly (3); the bottom of the top cover (212) and the upper end of the side wall of the vertical tube (211) are both connected to the fixed assembly (22); The fixing assembly (22) comprises a connecting plate (221), a limiting rod (222), a clamping ring (223) and a clamping groove (224); the bottom of the top cover (212) is fixedly connected to a plurality of connecting plates (221), and the lower ends of the side walls of the connecting plates (221) are fixedly connected to the limiting rods (222); the upper ends of the side walls of the vertical tube (211) are fixedly connected to the inner wall of the clamping ring (223), and the side walls of the clamping ring (223) are provided with clamping grooves (224) that are matched and clamped with the limiting rods (222) of each group.

2. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 1 is characterized in that: The inner wall of the vertical tube (211) is in contact with and connected to the lower end of the side wall of the probe (4).

3. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 2 is characterized in that: A sealing ring (5) is embedded and connected to the inner wall of the vertical tube (211), and the inner wall of the sealing ring (5) is in contact and connected to the side wall of the probe (4).

4. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 3 is characterized in that: The connecting plates (221) have two groups that are symmetrical on the left and right.

5. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 4 is characterized in that: The limit assembly (3) comprises an inner boss (31), a slide groove (32), a slide plate (33) and a hand-pull groove (34); the bottom of the top cover (212) is fixedly connected to the inner boss (31), a plurality of slide grooves (32) are provided on the inner boss (31), and the inner walls of the slide grooves (32) are respectively connected to the side walls of the slide plate (33) in a limit sliding manner; the inner wall of the inner boss (31) is in contact with the side wall of the raised end of the probe (4), and the top of the inner end of the inner boss (31) is in contact with the bottom of the raised end of the probe (4).

6. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 5, characterized in that: The slide grooves (32) have two groups that are symmetrical on the left and right.

7. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 6, characterized in that: The outer end side wall of the slide plate (33) is in contact with and connected to the side wall of the vertical tube (211).

8. The radioactive waste liquid nuclear radiation detection device with easily replaceable probe according to claim 7, characterized in that: The bottom of each of the slide plates (33) is provided with a hand-pulling groove (34) for facilitating pulling out the slide plates (33).

Images