Test box and scintillation counter

Abstract

The utility model belongs to the technical field of detection, and discloses a test box and a scintillation counter, and the test box comprises a box body, a door cover and a switch assembly. A placing opening is formed in the box body. The door cover is hinged to the end, provided with the containing opening, of the box body, and an elastic sealing piece is arranged on the door cover. The switch assembly comprises an elastic piece and a locking switch, one end of the elastic piece is connected to the door cover, and the other end is connected to the box body. The locking switch is arranged on the box body and has an opening state and a closing state which can be switched. The locking switch is in a closed state, the door cover is located at the position for blocking the placing opening, a gap is formed between the door cover and the placing opening, and the elastic sealing piece is extruded in the gap; and when the locking switch is in an open state, the door cover can be bounced off by the elastic piece. The test box provided by the utility model can be easily opened without a complicated structure, and the elastic sealing element can block the gap when the locking switch is in a closed state and in a switching process, so that the sealing effect is good, and the accuracy of a detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection technical field especially relates to a test box and scintillation counter. BACKGROUND

[0002] The scintillation counter is one of the most important ray detectors, and is widely used in various measurement fields. When detecting, the sample is placed in the test box. In order to facilitate the quick fixing of the sample, the card type scintillation counter is usually used. After the sample is collected by the collection card, the collection card is inserted into the test box, and the detection is waited.

[0003] However, the existing test box is usually manually drawn and semi-automatically. The manually drawn test box needs to open the door cover and then pull out the drawer provided with the placing position when the collection card is put in. After the collection card is placed, the drawer is pushed in and the door cover is closed. The operation is complex, and the volume is large due to the setting of the drawer. The semi-automatic test box needs to set the door opening button on the shell, cooperate with the motor, gear and other mechanisms, automatically open the door cover after pressing the door opening button, and the test box is complex in manufacturing and processing, and the cost is high. Whether the manually drawn test box or the semi-automatic test box, only the door cover is rotated to block the test box, and there is a gap between the door cover and the test box body, which affects the formation of the darkroom environment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a test box and scintillation counter to solve the technical problems of inconvenient opening and poor sealing effect in the prior art.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] On the one hand, a test box is provided, which comprises:

[0007] The box body is provided with a placing opening;

[0008] The door cover is hinged to one end of the box body provided with the placing opening; the door cover is provided with an elastic sealing element

[0009] The switch assembly comprises an elastic element and a locking switch;

[0010] One end of the elastic element is connected to the door cover, and the other end is connected to the box body;

[0011] The locking switch is movably arranged on the box body, and has an open state and a closed state;

[0012] The locking switch is in the closed state, the door cover is in the position of blocking the placing opening and has a gap between the door cover and the placing opening, and the elastic sealing piece is pressed in the gap; the locking switch is in the open state, and the elastic piece can pop the door cover open.

[0013] Optionally, a first fixing groove is formed in the door cover, and the elastic sealing piece is arranged in the first fixing groove.

[0014] Optionally, a fixing buckle is detachably arranged on the door cover, and the elastic sealing piece is clamped between the fixing buckle and the door cover.

[0015] Optionally, a door cover fixing seat is further arranged on the box body and surrounds the outer periphery of the placing opening, the door cover is hinged to the door cover fixing seat, and a second fixing groove is formed in the door cover fixing seat and sealingly matched with the elastic sealing piece.

[0016] Optionally, the locking switch is arranged on the door cover fixing seat and spaced from the second fixing groove.

[0017] Optionally, the door cover fixing seat is detachably connected to the box body, and the connecting sealing piece is arranged between the door cover fixing seat and the box body.

[0018] Optionally, a third fixing groove is formed in the door cover fixing seat, and the connecting sealing piece is pressed to abut against the third fixing groove of the door cover fixing seat by the box body.

[0019] Optionally, the box body comprises a first box body and a second box body, and the first box body and the second box body are detachably connected and surround a placing cavity.

[0020] Optionally, a threaded opening is formed in one of the first box body and the second box body and communicates with the placing cavity.

[0021] In another aspect, a scintillation counter is provided, comprising a photoelectric detection assembly and the test box described above, and the photoelectric detection assembly is connected to the test box.

[0022] The utility model discloses the beneficial effects of:

[0023] The utility model provides a test box, through the door cover hinged in one end of the box body with the placing opening, the elastic piece one end is connected in the door cover, the other end is connected in the box body, the locking switch is arranged in the box body, has the open state and the closed state of switchable, make the door cover of closing, when the locking switch switches to the open state, the door cover can open automatically under the elastic recovery force of the elastic piece. When the locking switch is in the closed state, the door cover rotates to the position of plugging the placing opening and has the gap between the placing opening, set up like this and press the door cover to make the locking switch pressurization switch to the open state and leave the operation space, only need press the door cover can open the test box, and the operation is simple and convenient. The door cover is provided with the elastic sealing piece matched with the placing opening, and the elastic sealing piece can block the gap when the locking switch is in the closed state and in the switching process, ensure that the elastic sealing piece can always block the door cover and the placing opening when the locking switch switches from the open state to the closed state and is in the closed state, the sealing effect is not good because the sealing piece can shake between the door cover and the placing opening to cause the sealing effect to be not good, and then influence the detection result.

[0024] The utility model provides a scintillation counter, and the sealing effect between the door cover and the test box body is good, is favorable to the formation of the darkroom environment, guarantees the detection result. ACCURACY

[0025] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will be to the utility model embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing only is some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to the utility model embodiment content and these drawings.

[0026] Figure 1 It is the first view of the test box provided by the utility model embodiment;

[0027] Figure 2 It is the second view of the test box provided by the utility model embodiment;

[0028] Figure 3 It is the explosion drawing of the test box provided by the utility model embodiment;

[0029] Figure 4 It is the first view of the door cover fixing seat provided by the utility model embodiment;

[0030] Figure 5 It is the second view of the door cover fixing seat provided by the utility model embodiment.

[0031] In the drawing:

[0032] 1, box body; 11, placing opening; 12, first box body; 121, threaded opening; 13, second box body;

[0033] 2, door cover; 21, elastic sealing element; 22, first fixing groove; 23, fixing buckle;

[0034] 3, switch assembly; 31, elastic element; 32, locking switch;

[0035] 4, rotating shaft;

[0036] 5, door cover fixing seat; 51, second fixing groove; 52, third fixing groove; 53, connecting lug;

[0037] 6, connecting sealing element. DETAILED DESCRIPTION

[0038] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the utility model will be further explained below in combination with the drawings and through specific embodiments. It can be understood that the specific embodiments described here are only used to explain the utility model, not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings, not all.

[0039] In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0040] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] The scintillation counter is one of the most important radiation detectors, which is widely used in various measurement fields. For example, in the carbon fourteen urea breath test, a cassette scintillation counter is often used. During the test, the breath cassette is placed into the test box, and then the breath cassette in the test box is tested by the photoelectric detection assembly. During the test, it is necessary to ensure that the test box is in a darkroom environment. However, the existing test box has complex opening and closing operation, and there is a gap between the door cover and the test box body, which affects the formation of the darkroom environment.

[0042] To solve the above problems, the utility model discloses a test box. As shown in the figure, Figures 1 to 3 The test box includes a box body 1, a door cover 2 and a switch assembly 3. The box body 1 is provided with a placing port 11. The door cover 2 is hinged to one end of the box body 1 provided with the placing port 11, and the door cover 2 is provided with an elastic sealing element 21. The switch assembly 3 includes an elastic element 31 and a locking switch 32. One end of the elastic element 31 is connected to the door cover 2, and the other end is connected to the box body 1. The locking switch 32 is movably arranged on the box body 1 and has an open state and a closed state. When the locking switch 32 is in the closed state, the door cover 2 is rotated to the position of blocking the placing port 11 and has a gap with the placing port 11, and the elastic sealing element 21 is pressed in the gap. When the locking switch 32 is in the open state, the elastic element 31 can pop the door cover 2 open.

[0043] Specifically, in the embodiment, the door cover 2 is hinged to the box body 1 through the rotating shaft 4, the elastic element 31 is a torsion spring, the torsion spring is sleeved on the rotating shaft 4, one end of the torsion spring is fixedly connected to the door cover 2, and the other end can abut against the box body 1. In other embodiments, the elastic element 31 can also be a spiral spring, and the two ends of the spiral spring are fixedly connected to the door cover 2 and the box body 1 respectively.

[0044] It can be understood that the test box provided by the utility model, through the hinging of the door cover 2 at one end of the box body 1 provided with the placing opening 11, the elastic piece 31 is connected at one end to the door cover 2 and at the other end to the box body 1, the locking switch 32 is arranged on the box body 1, and the door cover 2 is fixed at the position of blocking the placing opening 11 under the elastic restoring force of the elastic piece 31 in the closed state, the door cover 2 at the position of blocking the placing opening 11 is automatically popped open under the elastic restoring force of the elastic piece 31 when the locking switch 32 is switched to the open state, the door cover 2 is rotated to the position of blocking the placing opening 11 and has a gap with the placing opening 11 when the locking switch 32 is in the closed state, and the space for operating is left for pressing the door cover 2 to make the locking switch 32 be pressed and switched to the open state. The elastic sealing piece 21 cooperating with the placing opening 11 is arranged on the door cover 2, the elastic sealing piece 21 can block the gap in the closed state of the locking switch 32 and in the switching process, the elastic sealing piece 21 can always block the door cover 2 and the placing opening 11 when the locking switch 32 is switched from the open state to the closed state and in the closed state, the sealing effect is not good due to the shaking of the sealing piece between the door cover 2 and the placing opening 11 caused by reserving the space for switching the locking switch 32, thereby ensuring that there is no gap between the door cover 2 and the test box body 1 when the door cover 2 blocks the test box body 1, ensuring that the test box is in a darkroom environment, and further ensuring the accuracy of the detection result.

[0045] Further, in order to facilitate the installation and fixation of the elastic sealing piece 21, a first fixing groove 22 is formed on the door cover 2, and the elastic sealing piece 21 is arranged in the first fixing groove 22.

[0046] In the embodiment, as shown in the figure, Figure 3 the first fixing groove 22 is formed on the side of the door cover 2 facing the box body 1, and the elastic sealing piece 21 is bonded in the first fixing groove 22 and partially protrudes from the first fixing groove 22, and the protruding part is also in a meandering shape. The protruding elastic sealing piece 21 abuts against the outer peripheral edge area of the placing opening 11 on the box body 1, and the meandering elastic sealing piece 21 can abut against the entire placing opening 11, thereby blocking the placing opening 11, and when the locking switch 32 is switched, the elastic sealing piece 21 is elastically deformed due to being pressed, thereby always abutting against the placing opening 11, ensuring the sealing effect between the door cover 2 and the box body 1.

[0047] Further, in order to more stably fix the elastic sealing piece 21, in some embodiments, a fixing buckle 23 is detachably arranged on the door cover 2, and the elastic sealing piece 21 is clamped between the fixing buckle 23 and the door cover 2. Specifically, as shown in the figure, Figure 3As shown, in the embodiment, the fixing buckle 23 is arranged in the first fixing groove 22, and the elastic sealing member 21 is fixed between the fixing buckle 23 and the door cover 2 through the fixing buckle 23, so that the position of the elastic sealing member 21 can be further limited, the installation of the elastic sealing member 21 is more firm, and the problem that the darkroom environment in the test box cannot be ensured due to the falling of the elastic sealing member 21 caused by the adhesion failure of the elastic sealing member 21 after long-time use is avoided.

[0048] Further, as shown in Figure 3 and Figure 4 , in order to improve the sealing effect of the door cover 2 and the box body 1, the test box further comprises a door cover fixing seat 5, which is arranged at one end of the box body 1 provided with the placing opening 11, and the door cover 2 is hinged to the door cover fixing seat 5. The second fixing groove 51 matched with the elastic sealing member 21 is formed in the door cover fixing seat 5. In this way, when the door cover 2 is rotated to the position of blocking the placing opening 11, the protruding part of the elastic sealing member 21 is inserted into the second fixing groove 51 on the door cover fixing seat 5 and abuts against the groove bottom of the second fixing groove 51, so that there is no gap between the door cover 2 and the placing opening 11 of the box body 1. Continue to press the door cover 2, the elastic sealing member 21 is deformed under pressure, the second fixing groove 51 can guide the elastic deformation of the elastic sealing member 21, avoid the elastic sealing member 21 from being separated from the door cover 2 due to irregular deformation, and the second fixing groove 51 can also guide the recovery of the elastic sealing member 21, so as to ensure that the test box can be repeatedly used.

[0049] Further, in order to facilitate the fixation of the door cover 2 at the position of blocking the placing opening 11, the locking switch 32 is arranged on the door cover fixing seat 5 and is arranged in a spaced manner with the second fixing groove 51. Specifically, as shown in Figure 1 and Figure 3 , in the embodiment, the locking switch 32 is a rebounder. The rebounder is detachably arranged on the door cover fixing seat 5 and located on the side of the second fixing groove 51 away from the rotating shaft 4. In this way, the locking switch 32 can lock the door cover 2 when the door cover 2 is located at the position of blocking the placing opening 11, and a new rebounder can be replaced when the rebounder fails.

[0050] In some embodiments, a clamping block matched with the locking switch 32 is arranged on the door cover 2, and the locking switch 32 can stop the clamping block when the door cover 2 is located at the position of blocking the placing opening 11, so as to prevent the door cover 2 from rotating away from the box body 1 under the action of the elastic member 31. When the door cover 2 is pressed to switch the locking switch 32 to the open state, the locking switch 32 no longer stops the clamping block, and the door cover 2 rotates away from the locking switch 32 under the action of the elastic member 31.

[0051] In some other embodiments, a clamping groove is formed on the door cover 2 and matched with the locking switch 32. When the door cover 2 is located at the position of blocking the placing opening 11, the locking switch 32 is inserted into the clamping groove. When the door cover 2 is pressed to switch the locking switch 32 to the open state, the locking switch 32 is withdrawn from the clamping groove, and the door cover 2 is rotated away from the locking switch 32 under the action of the elastic member 31.

[0052] Further, the door cover fixing seat 5 is detachably connected with the box body 1, and the connecting sealing member 6 is arranged between the door cover fixing seat 5 and the box body 1.

[0053] Specifically, in some embodiments, two rows of connecting lugs 53 are arranged on the side of the door cover fixing seat 5 away from the door cover 2, and the opposite two faces of the box body 1 are respectively threadedly connected with the two groups of connecting lugs 53 by screws. In the present embodiment, as shown in Figure 2 and Figure 3 , the box body 1 is arranged between the two groups of connecting lugs 53, and each group is provided with two connecting lugs 53. The four connecting lugs 53 are connected with the box body 1 by screws.

[0054] Further, in order to facilitate the connection of the door cover fixing seat 5 and the box body 1, a third fixing groove 52 is formed on the door cover fixing seat 5, and the connecting sealing member 6 is pressed to abut against the third fixing groove 52 of the door cover fixing seat 5 by the box body 1.

[0055] Specifically, as shown in Figure 3 and Figure 5 , in the present embodiment, the third fixing groove 52 is arranged on the side of the door cover fixing seat 5 away from the door cover 2, and one end of the placing opening 11 of the box body 1 is inserted into the third fixing groove 52. The connecting sealing member 6 is also placed in the third fixing groove 52, and the connecting sealing member 6 is tightly abutted against the groove bottom of the third fixing groove 52 by the box body 1. Such arrangement can ensure the sealing property of the connection between the door cover fixing seat 5 and the box body 1, and avoid the formation of a dark room environment in the box body 1 due to the gap between the door cover fixing seat 5 and the box body 1.

[0056] Further, in order to facilitate the production of the box body 1, the box body 1 comprises a first box body 12 and a second box body 13, and the first box body 12 and the second box body 13 are detachably connected.

[0057] Specifically, as shown in Figure 2 and Figure 3 , in the present embodiment, the first box body 12 and the second box body 13 are arranged in a stack, and the first box body 12 and the second box body 13 are both provided with a placing groove on the side facing each other. The placing groove of the first box body 12 and the placing groove of the second box body 13 form a placing cavity, and the exhalation card enters the placing cavity through the placing opening 11.

[0058] Further, in order to facilitate the connection of the test box with other detection equipment, a threaded opening 121 is formed on one of the first and second box bodies 12, 13. Specifically, in the present embodiment, as shown in Figs. Figure 1 and Figure 2 the first box body 12 is provided with a threaded opening 121 on the side facing away from the second box body 13, and the threaded opening 121 is connected with the photoelectric detection assembly. When the test box is used, the photoelectric detection assembly is connected with the threaded opening 121 on the first box body 12, and then the door cover 2 is opened to place the breath card into the placement cavity to test the breath card.

[0059] The utility model also provides a scintillation counter, including photoelectric detection assembly and above-mentioned test box. Since the scintillation counter disclosed by the utility model has the test box, at least has the beneficial effect of the test box, and this will not be repeated.

[0060] The above embodiments only illustrate the basic principle and characteristics of the utility model, and the utility model is not limited by the above embodiments. Without departing from the spirit and scope of the utility model, the utility model has various changes and changes, and these changes and changes all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A test chamber, characterized in that, include: The box body (1) is provided with a placement opening (11); A door cover (2) is hinged to one end of the box body (1) where the placement opening (11) is located; an elastic sealing element (21) is provided on the door cover (2). The switch assembly (3) includes an elastic element (31) and a locking switch (32); One end of the elastic element (31) is connected to the door cover (2), and the other end is connected to the box body (1); The locking switch (32) is movably disposed on the box body (1) and has an open state and a closed state; When the locking switch (32) is in the closed state, the door cover (2) is in the position of blocking the placement opening (11) and there is a gap between it and the placement opening (11), and the elastic seal (21) is squeezed in the gap; when the locking switch (32) is in the open state, the elastic seal (31) can pop the door cover (2) open.

2. The test chamber according to claim 1, characterized in that, The door cover (2) is provided with a first fixing groove (22), and the elastic sealing element (21) is disposed in the first fixing groove (22).

3. The test chamber according to claim 1, characterized in that, The door cover (2) is detachably provided with a fixing buckle (23), and the elastic sealing element (21) is engaged between the fixing buckle (23) and the door cover (2).

4. The test chamber according to claim 1, characterized in that, It also includes a door cover fixing seat (5), which is disposed on the box body (1) and surrounds the outer periphery of the placement opening (11). The door cover (2) is hinged to the door cover fixing seat (5). The door cover fixing seat (5) is provided with a second fixing groove (51) that seals with the elastic sealing element (21).

5. The test chamber according to claim 4, characterized in that, The locking switch (32) is disposed on the door cover fixing seat (5) and spaced apart from the second fixing groove (51).

6. The test chamber according to claim 4, characterized in that, It also includes a connecting seal (6), the door cover fixing seat (5) is detachably connected to the box body (1), and the connecting seal (6) is disposed between the door cover fixing seat (5) and the box body (1).

7. The test chamber according to claim 6, characterized in that, The door cover fixing seat (5) is provided with a third fixing groove (52), and the box body (1) presses the connecting sealing member (6) to abut against the third fixing groove (52) of the door cover fixing seat (5).

8. The test chamber according to any one of claims 1-7, characterized in that, The box body (1) includes a first box body (12) and a second box body (13), which are detachably connected and enclose a placement cavity.

9. The test chamber according to claim 8, characterized in that, One of the first housing (12) and the second housing (13) has a threaded opening (121) that communicates with the placement cavity.

10. A blinking counter, characterized in that, It includes a photoelectric detection component and a test chamber as described in any one of claims 1-9, wherein the photoelectric detection component is connected to the test chamber.

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