Radioactivity measuring instrument

Abstract

The radioactivity measuring instrument comprises a measuring instrument body and a wall hanging device, two connecting rods are fixedly connected to the two side walls of the measuring instrument body respectively, sliding grooves are formed in the side walls of the four connecting rods respectively, and first springs are fixedly connected to the side walls of the four sliding grooves respectively; four first springs are fixedly connected to one ends of the four first springs, sliding rods are fixedly connected to one ends of the four first springs, the four sliding rods are slidably connected to the interiors of the four sliding grooves correspondingly, one ends of the four sliding rods extend out of the corresponding sliding grooves correspondingly, and one ends of the sliding rods on the two sides are jointly and fixedly connected with an arc-shaped protection plate; and anti-rebound devices are arranged on the side walls of the two connecting rods located on the upper side. Through mutual cooperation of the limiting rods, the arc-shaped protection plates, the rubber protection blocks, the sliding rods and other parts, the surface of the detector can be protected, so that the probability that the detector falls to the ground and is damaged is greatly reduced, operation is easy, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a radioactivity measuring instrument. Background Art

[0002] A radioactivity meter refers to a continuous aerosol measurement technology that uses full dust sampling and a semiconductor detector as a measuring device. Due to the high resolution of the semiconductor detector, low-concentration alpha aerosols can be quickly measured using energy discrimination methods.

[0003] For example, Chinese patent publication number CN219266546U discloses a radioactive measuring instrument, which includes a placement box, a measuring instrument, a stopper and a lifting plate. The measuring instrument is placed in the inner cavity of the placement box, and the stopper is fixedly installed on both sides of the inner wall of the placement box by bolts. One side of the bottom of the lifting plate is fixedly connected to the bottom of the inner wall of the placement box. The radioactive measuring instrument, through the use of the placement box, the stopper, the lifting plate and the wavy concave groove that matches the side of the measuring instrument, is convenient whether the measuring instrument is taken alone or placed in a fixed position for real-time detection. It can be directly inserted and pulled out.

[0004] However, in the above solution, the device is not convenient for protecting the detector when in use. When the detector is accidentally dropped to the ground, the detector is easily broken, thereby affecting the use of the detector, and the safety is not high. Utility Model Content

[0005] The utility model provides a radioactivity measuring instrument to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A radioactivity measuring instrument comprises a measuring instrument body and a wall hanging device, two connecting rods are fixedly connected to both side walls of the measuring instrument body, four side walls of the connecting rods are provided with sliding grooves, four side walls of the sliding grooves are fixedly connected to a first spring, one end of the four first springs is fixedly connected to a sliding rod, the four sliding rods are respectively slidably connected in the four sliding grooves, one end of the four sliding rods respectively extends out of the corresponding sliding grooves, one end of the sliding rods on both sides are commonly fixedly connected to an arc-shaped protective plate, the two side walls of the connecting rods on the upper side are provided with an anti-rebound device, the four corners of the measuring instrument body are fixedly connected to rubber protective blocks, one end of the side wall of the measuring instrument body is rotatably connected to a cover plate by a hinge, the side wall of the cover plate is provided with a magnet, the side wall of the measuring instrument body is provided with an iron sheet, the magnet is adsorbed and connected to the iron sheet, and a plurality of hemispherical rubber blocks are provided on the side of the measuring instrument body facing away from the cover plate.

[0008] As a further improvement of the present technical solution: the wall hanging device includes a wall hanging panel, both side walls of the wall hanging panel are fixedly connected to two fixing plates, the four side walls of the fixing plates are provided with fixing holes, the side walls of the wall hanging panel are provided with vertical grooves, the top of the wall hanging panel is provided with a card slot, the vertical grooves are connected to the card slots, and the vertical grooves are adapted to the two arc-shaped protective plates.

[0009] As a further improvement of the technical solution: the two anti-rebound devices each include a limit rod, and the two limit rods are respectively slidably connected to the top side walls of the two connecting rods on the upper side, and the tops of the two limit rods are fixedly connected with pull blocks, and the outer ring side walls of the two limit rods are sleeved with a second spring, and the two ends of the two second springs are respectively fixedly connected to the corresponding pull blocks and the side walls of the connecting rods, the bottoms of the two limit rods pass through the corresponding connecting rods and extend into the sliding groove, the bottom side walls of the two limit rods are inclined, and the tops of the two sliding rods located on the upper side are fixedly connected with multiple limit blocks, and the top side walls of the multiple limit blocks are inclined, and the bottoms of the two limit rods are respectively located between the multiple limit blocks at the tops of the two sliding rods.

[0010] As a further improvement of the technical solution: the surfaces of the two pulling blocks are both provided with anti-slip grooves.

[0011] As a further improvement of the technical solution: the side walls of the two arc-shaped protective plates are both provided with rubber pads.

[0012] As a further improvement of the technical solution: the two second springs are both made of stainless steel.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device can protect the surface of the detector through the mutual cooperation of the limit rod, the arc-shaped protective plate, the rubber protective block, the sliding rod and other components, thereby greatly reducing the chance of the detector falling to the ground and being damaged. The operation is simple and the practicality is high.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1This is a schematic diagram of the front cross-sectional structure of a radioactivity measuring instrument proposed by the utility model;

[0017] Figure 2 This is a front view structural schematic diagram of a radioactivity measuring instrument proposed by the utility model;

[0018] Figure 3 for Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0019] Figure 4 This is a schematic diagram of the top view of a radioactivity measuring instrument proposed by the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the front structure of a wall hanging plate in a radioactivity measuring instrument.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Measuring instrument body; 2. Rubber protection block; 3. Arc protection plate; 4. Sliding rod; 5. Connecting rod; 6. First spring; 7. Iron sheet; 8. Cover plate; 9. Magnet; 10. Hemispherical rubber block; 11. Wall hanging plate; 12. Slot; 13. Fixing plate; 14. Vertical slot; 15. Pull block; 16. Second spring; 17. Limit rod; 18. Limit block; 19. Sliding slot. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figure 1-5 In the embodiment of the utility model, a radioactivity measuring instrument includes a measuring instrument body 1 and a wall hanging device, two connecting rods 5 are fixedly connected to the two side walls of the measuring instrument body 1, and the four connecting rods 5 are provided with sliding grooves 19 on the side walls. The four sliding grooves 19 are fixedly connected to the first springs 6 on the side walls, and the four first springs 6 are fixedly connected to the sliding rods 4 at one end. The four sliding rods 4 are respectively slidably connected in the four sliding grooves 19, and the four sliding rods 4 extend out of the corresponding sliding grooves 19 at one end. The sliding rods 4 on both sides are fixedly connected to the arc protective plate 3 at one end, and the two connecting rods 5 on the upper side are provided with anti-rebound devices. The four corners of the measuring instrument body 1 are fixedly connected with rubber protective blocks 2, and one end of the side wall of the measuring instrument body 1 is rotatably connected with a cover plate 8 through a hinge. The side wall of the cover plate 8 is provided with a magnet 9, and the side wall of the measuring instrument body 1 is provided with an iron sheet 7, and the magnet 9 is adsorbed and connected to the iron sheet 7. A plurality of hemispherical rubber blocks 10 are provided on the side of the measuring instrument body 1 away from the cover plate 8.

[0027] See also Figure 4-5 The wall hanging device includes a wall hanging plate 11, and two fixing plates 13 are fixedly connected to both side walls of the wall hanging plate 11. The side walls of the four fixing plates 13 are provided with fixing holes. The side walls of the wall hanging plate 11 are provided with vertical grooves 14. The top of the wall hanging plate 11 is provided with a card slot 12. The vertical grooves 14 are connected with the card slots 12. The vertical grooves 14 are adapted to the two arc-shaped protective plates 3. Through the set wall hanging plate 11, bolts are used to pass through the fixing holes of the side walls of the fixing plates 13 to fix the wall hanging plate 11 on the wall, and then the arc-shaped protective plates 3 are inserted into the card slots 12. The measuring instrument body 1 can be hung on the wall for use, and the measuring instrument body 1 can also be hung on the wall when not in use, so as to facilitate finding.

[0028] See also Figure 1-4, the two anti-rebound devices both include a limit rod 17, the two limit rods 17 are respectively slidably connected to the top side walls of the two connecting rods 5 on the upper side, the tops of the two limit rods 17 are fixedly connected with a pull block 15, the outer ring side walls of the two limit rods 17 are sleeved with a second spring 16, the two second springs 16 are made of stainless steel, the two second springs 16 are respectively fixedly connected at both ends to the corresponding pull block 15 and the side wall of the connecting rod 5, the bottoms of the two limit rods 17 penetrate the corresponding connecting rod 5 and extend into the sliding groove 19, the bottom side walls of the two limit rods 17 are inclined, the tops of the two sliding rods 4 on the upper side are fixedly connected with a plurality of limit blocks 18, the top side walls of the plurality of limit blocks 18 are inclined, and the bottoms of the two limit rods 17 are respectively located between the plurality of limit blocks 18 at the tops of the two sliding rods 4. When the measuring instrument body 1 falls to the ground, the arc-shaped protective plate 3 will first hit the ground, and the arc-shaped protective plate 3 drives the sliding rod 4 to squeeze The two first springs 6 are compressed to buffer the impact force brought by the arc-shaped protective plate 3, thereby greatly reducing the impact force on the measuring instrument body 1 and reducing the probability of the measuring instrument body 1 falling to the ground and being damaged. When the sliding rod 4 squeezes the first spring 6, the limit block 18 on the side wall of the sliding rod 4 simultaneously squeezes the inclined side wall of the limit rod 17, so that the limit rod 17 moves along the inclined side wall of the limit block 18, and the limit rod 17 drives the second spring 16 to move through the pull block 15, so that the second spring 16 is in a stressed state, so that the bottom of the limit rod 17 always moves along the side wall of the limit block 18, and the limit rod 17 moves between multiple limit blocks 18. Through the set limit rod 17 and limit block 18, the sliding rod 4 can move toward the first spring 6 and cannot move in the direction away from the first spring 6. Therefore, when the sliding rod 4 squeezes the first spring 6, the sliding rod 4 can be prevented from rebounding, thereby avoiding secondary rebound damage to the measuring instrument body 1.

[0029] See also Figure 1-4 The surfaces of the two pull blocks 15 are provided with anti-skid patterns to prevent slipping when the two pull blocks 15 are pulled.

[0030] See also Figure 1-2 , Figure 4 The side walls of the two arc-shaped protection plates 3 are both provided with rubber pads, and the surfaces of the two arc-shaped protection plates 3 can be protected by the provided rubber pads to prevent the measuring instrument body 1 from falling onto the ground and causing scratches on the arc-shaped protection plates 3.

[0031] The working principle of the utility model is as follows: when the measuring instrument body 1 is dropped to the ground, the four rubber protection blocks 2 are provided to protect the surroundings of the measuring instrument body 1, the multiple hemispherical rubber blocks 10 are provided to protect the back of the measuring instrument body 1, the cover plate 8 is provided to protect the front of the measuring instrument body 1, and the two arc-shaped protection plates 3 are provided to protect the two sides of the measuring instrument body 1. When the measuring instrument body 1 drops to the ground, the arc-shaped protection plates 3 will first hit the ground, and the arc-shaped protection plates 3 drive the sliding rod 4 to squeeze the two first springs 6 to buffer the impact force brought by the arc-shaped protection plates 3, thereby greatly reducing the impact force on the measuring instrument body 1 and reducing the probability of the measuring instrument body 1 falling to the ground and being damaged;

[0032] By setting up the wall hanging plate 11, bolts are used to pass through the fixing holes on the side wall of the fixing plate 13 to fix the wall hanging plate 11 on the wall, and then the arc-shaped protective plate 3 is inserted into the card slot 12, and the measuring instrument body 1 can be hung on the wall for use, and the measuring instrument body 1 can also be hung on the wall when not in use, so as to facilitate finding.

[0033] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A radioactivity measuring instrument, comprising a measuring instrument body (1) and a wall-mounting device, characterized in that: Two side walls of the measuring instrument body (1) are fixedly connected to two connecting rods (5), and the side walls of the four connecting rods (5) are provided with sliding grooves (19). The side walls of the four sliding grooves (19) are fixedly connected to first springs (6), and one end of the four first springs (6) is fixedly connected to sliding rods (4). The four sliding rods (4) are respectively slidably connected in the four sliding grooves (19), and one end of the four sliding rods (4) extends out of the corresponding sliding grooves (19), and one end of the sliding rods (4) on both sides is commonly fixedly connected to an arc The measuring instrument body (1) is provided with a protective plate (3), the side walls of the two connecting rods (5) located on the upper side are provided with anti-rebound devices, the four corners of the measuring instrument body (1) are fixedly connected with rubber protective blocks (2), one end of the side wall of the measuring instrument body (1) is rotatably connected with a cover plate (8) through a hinge, the side wall of the cover plate (8) is provided with a magnet (9), the side wall of the measuring instrument body (1) is provided with an iron sheet (7), the magnet (9) is adsorbed and connected with the iron sheet (7), and a plurality of hemispherical rubber blocks (10) are provided on a side of the measuring instrument body (1) away from the cover plate (8).

2. A radioactivity measuring instrument according to claim 1, characterized in that: The wall hanging device comprises a wall hanging plate (11), two side walls of the wall hanging plate (11) are fixedly connected with two fixing plates (13), the side walls of the four fixing plates (13) are provided with fixing holes, the side walls of the wall hanging plate (11) are provided with vertical grooves (14), the top of the wall hanging plate (11) is provided with a clamping groove (12), the vertical grooves (14) are connected with the clamping grooves (12), and the vertical grooves (14) are adapted to the two arc-shaped protective plates (3).

3. A radioactivity measuring instrument according to claim 1, characterized in that: The two anti-rebound devices each comprise a limit rod (17), the two limit rods (17) are respectively slidably connected to the top side walls of the two upper connecting rods (5), the tops of the two limit rods (17) are fixedly connected with a pull block (15), the outer ring side walls of the two limit rods (17) are sleeved with a second spring (16), the two ends of the two second springs (16) are respectively fixedly connected to the corresponding pull block (15) and the side wall of the connecting rod (5), the bottoms of the two limit rods (17) penetrate the corresponding connecting rod (5) and extend into the sliding groove (19), the bottom side walls of the two limit rods (17) are both inclined, the tops of the two sliding rods (4) located on the upper side are fixedly connected with a plurality of limit blocks (18), the top side walls of the plurality of limit blocks (18) are all inclined, and the bottoms of the two limit rods (17) are respectively located between the plurality of limit blocks (18) at the tops of the two sliding rods (4).

4. A radioactivity measuring instrument according to claim 3, characterized in that: The surfaces of the two pulling blocks (15) are both provided with anti-slip grooves.

5. A radioactivity measuring instrument according to claim 1, characterized in that: The side walls of the two arc-shaped protection plates (3) are both provided with rubber pads.

6. A radioactivity measuring instrument according to claim 3, characterized in that: The two second springs (16) are both made of stainless steel.

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