Laboratory liquid detection instrument

Abstract

The utility model discloses a laboratory liquid detection instrument which comprises a detection box, a fixed plate is arranged in the detection box, a placing box is arranged at the top of the fixed plate, a detection head is arranged above the placing box, and the detection head is electrically connected with a warning lamp. The utility model relates to the technical field of liquid monitoring instruments, through the cooperation of a connecting rod, a driving gear and a driven gear, the connecting rod is rotated to drive the driving gear to rotate, and through the engagement with the driven gear, a screw rod is driven to rotate, so that a sliding block can slide on the inner wall of a detection box, and during the sliding, a fixed plate drives a placement box to lift, so that the detection is more accurate. The detection head can better detect the liquid, and the problems that in the prior art, during use, long-time detection can cause arm ache of a worker, the placement plate shakes, and the detection result is affected are solved.

Description

Technical Field

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

[0002] The liquid detector is a security inspection instrument specially used to detect flammable and explosive liquids. It adopts quasi-static computer tomography technology to determine the flammability and explosiveness of the liquid to be tested by measuring the dielectric constant and conductivity of the liquid. The detector can distinguish flammable and explosive liquids such as liquid explosives, gasoline, acetone, ethanol from safe liquids such as water, cola, milk, juice, etc. without direct contact with the liquid.

[0003] When the prior art is used, when testing liquid, the staff places the liquid on the test plate, and places the test plate under the test head to test it, and the test result is judged according to the color of the indicator light.

[0004] However, in actual use, when the staff holds the test board and places the liquid under the test head, they need to wait for a while. During the repeated testing process, the staff's arms will become sore and swollen, causing the placement board to shake, affecting the test results. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a laboratory liquid detection instrument, which solves the problem that in actual use, when a staff member holds a detection plate to place the liquid under the detection head, he needs to wait for a while. During repeated detection, the staff member's arm will become sore and swollen, causing the placement plate to shake, thereby affecting the detection results.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a laboratory liquid detection instrument, including a detection box, a fixed plate is installed inside the detection box, a box door is installed on the outer wall of the detection box, a placement box is installed on the top of the fixed plate, a detection head is arranged above the placement box, the detection head is electrically connected to a warning light, the bottom of the warning light is fixedly connected to the top of the detection box, and a lifting structure is installed on the outer wall of the fixed plate. The lifting structure includes a connecting rod, a driving gear, a driven gear, a screw rod and a slider. The outer wall of the connecting rod is rotatably connected to the inner wall of the detection box through a bearing, the outer wall of the connecting rod is fixedly connected to the driving gear, the outer wall of the driving gear is meshedly connected to the driven gear, and the top of the driven gear is fixedly connected to one end of the inside of the detection box, the outer wall of the screw rod is rotatably connected to the inner wall of the detection box through a bearing, the outer wall of the screw rod is movably connected to the slider, the outer wall of the slider is slidably clamped to the inner wall of the detection box, and the outer wall of the slider is fixedly connected to the outer wall of the fixed plate.

[0007] Preferably, the outer wall of the detection box is fixedly connected to a controller, the controller is electrically connected to a servo motor, the outer wall of the servo motor is fixedly connected to the bottom of the outer wall of the detection box, and the output end of the servo motor extends to one end inside the detection box and is fixedly connected to one end of a connecting rod.

[0008] Preferably, a protective shell is provided on one side of the outer wall of the detection head, and the top of the protective shell is fixedly connected to the top of the inner wall of the detection box.

[0009] Preferably, the outer wall of the placement box is inserted into the top of the fixed plate, the outer wall of the placement box is inserted with an insertion block, the outer wall of the insertion block is movably connected to the inner wall of the fixed plate, the outer wall of the insertion block is sleeved with a spring, one end of the spring is pressed against the inner wall of the fixed plate, the other side of the spring is pressed against a block, the outer wall of the block is fixedly connected to one end of the insertion block, the outer wall of the block is fixedly connected to a push rod, the outer wall of the push rod is fixedly connected to a clamping block, the outer wall of the clamping block is clamped to the inner wall of the fixed plate, the outer wall of the block is fixedly connected to a pull rod, and the outer wall of the pull rod is movably connected to the inner wall of the fixed plate.

[0010] Preferably, the top of the fixing plate is fixedly connected to a limiting belt, the bottom of the limiting belt is pressed against a striker, the outer wall of the striker is inserted into the inner wall of the fixing plate, and one end of the striker extends to the inside of the fixing plate and presses against the top of the block.

[0011] Beneficial Effects

[0012] The utility model provides a laboratory liquid detection instrument. It has the following beneficial effects: the laboratory liquid detection instrument rotates the connecting rod through the cooperation of the connecting rod, the driving gear and the driven gear, and drives the screw rod to rotate through the meshing with the driven gear, so that the slider can slide on the inner wall of the detection box, and when sliding, the fixed plate drives the placement box to rise and fall, so that the detection head can better detect the liquid, solving the problem that the prior art, when used, long-term detection will cause arm pain of the staff, cause the placement plate to shake, and affect the detection results.

[0013] Through the cooperation of the pull rod, the plug block and the clamping block, after the placement box is placed on the fixed plate, the pull rod is pushed to insert the plug block into the outer wall of the placement box, and the push rod is also driven to move so that the clamping block on the top of the placement box is clamped into the inner wall of the fixed plate, thereby fixing the plug block and preventing the placement box from shaking when it is lifted or lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 The structural diagram of the detection box, connecting rod and servo motor;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure in which the box, pull rod and fixed plate are placed.

[0018] In the figure: 1, detection box, 2, detection head, 3, warning light, 4, controller, 5, fixing plate, 6, placement box, 7, protective shell, 8, slider, 9, screw, 10, servo motor, 11, driving gear, 12, connecting rod, 13, pull rod, 14, box door, 15, driven gear, 16, plug-in block, 17, spring, 18, stopper, 19, ejector rod, 20, card block, 21, limit belt, 22, striker. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] However, in actual use, when the staff holds the test board and places the liquid under the test head, they need to wait for a while. During the repeated testing process, the staff's arms will become sore and swollen, causing the placement board to shake, affecting the test results.

[0021] In view of this, the utility model provides a laboratory liquid detection instrument, which solves the problem that in actual use, when the staff holds the detection plate to place the liquid under the detection head, they need to wait for a while. During the repeated detection process, the staff's arms will become sore and the placement plate will shake, affecting the test results.

[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0023] Embodiment 1: By Figure 1-4It can be seen that a laboratory liquid detection instrument includes a detection box 1, a fixing plate 5 is installed inside the detection box 1, a box door 14 is installed on the outer wall of the detection box 1, a placement box 6 is installed on the top of the fixing plate 5, a detection head 2 is arranged above the placement box 6, and the detection head 2 is electrically connected to a warning light 3, wherein the models of the detection head 2 and the warning light 3 are not limited, and their working principles are well known to those skilled in the art and are not described in detail here, the bottom of the warning light 3 is fixedly connected to the top of the detection box 1, and a lifting structure is installed on the outer wall of the fixing plate 5, and the lifting structure includes a connecting rod 12, an active gear Wheel 11, driven gear 15, screw rod 9 and slider 8, the outer wall of connecting rod 12 is rotatably connected to the inner wall of detection box 1 through bearing, the outer wall of connecting rod 12 is fixedly connected to driving gear 11, the outer wall of driving gear 11 is meshingly connected to driven gear 15, the top of driven gear 15 extends to the end of the inside of detection box 1 and is fixedly connected to screw rod 9, the outer wall of screw rod 9 is rotatably connected to the inner wall of detection box 1 through bearing, the outer wall of screw rod 9 is movably connected to slider 8, the outer wall of slider 8 is slidably connected to the inner wall of detection box 1, and the outer wall of slider 8 is fixedly connected to the outer wall of fixed plate 5;

[0024] In the specific implementation process, it is worth pointing out that, under the cooperation of the connecting rod 12, the driving gear 11 and the driven gear 15, the connecting rod 12 is rotated to drive the driving gear 11 to rotate, and through the engagement with the driven gear 15, the screw rod 9 is driven to rotate, so that the slider 8 can slide on the inner wall of the detection box 1, and when sliding, the fixed plate 5 drives the placement box 6 to rise and fall, so that the detection head 2 can better detect the liquid;

[0025] Further, the outer wall of the detection box 1 is fixedly connected to a controller 4, wherein the model of the controller 4 is not limited, the controller 4 is electrically connected to a servo motor 10, the outer wall of the servo motor 10 is fixedly connected to the lower part of the outer wall of the detection box 1, and the output end of the servo motor 10 extends to one end of the inside of the detection box 1 and is fixedly connected to one end of the connecting rod 12, wherein the model of the servo motor 10 is not limited;

[0026] In the specific implementation process, it is worth pointing out that, under the cooperation of the servo motor 10, the controller 4 and the detection box 1, the controller 4 is used to control the rotation of the servo motor 10, drive the connecting rod 12 to rotate, and adjust the height of the placement box 6;

[0027] Furthermore, a protective shell 7 is provided on one side of the outer wall of the detection head 2, and the top of the protective shell 7 is fixedly connected to the top of the inner wall of the detection box 1;

[0028] In the specific implementation process, it is worth pointing out that, with the cooperation of the protective shell 7 and the detection head 2, after the placement box 6 rises to a certain height, the bottom of the protective shell 7 will be pressed against the top of the fixed plate 5 to prevent foreign matter from entering the detection liquid during detection;

[0029] Specifically, when using the laboratory liquid detection instrument, the liquid to be detected is placed inside the placement box 6, and the placement box 6 is placed on the fixed plate 5, and the servo motor 10 is controlled by the controller 4 to rotate, driving the connecting rod 12 to rotate, so that the driving gear 11 drives the driven gear 15 to rotate, and drives the screw rod 9 to rotate, and utilizes its meshing with the slider 8 to make the slider 8 drive the fixed plate 5 to rise and fall, and the placement box 6 is raised to the bottom of the detection head 2. After the detection of the detection head 2 is completed, the warning light 3 will light up, and the type of liquid can be judged according to the color of the warning light 3.

[0030] Embodiment 2: By Figure 1-4 It can be known that the outer wall of the placement box 6 is inserted into the top of the fixed plate 5, the outer wall of the placement box 6 is inserted with an insert block 16, the outer wall of the insert block 16 is movably connected to the inner wall of the fixed plate 5, the outer wall of the insert block 16 is sleeved with a spring 17, one end of the spring 17 is pressed against the inner wall of the fixed plate 5, and the other side of the spring 17 is pressed against a stopper 18, the outer wall of the stopper 18 is fixedly connected to one end of the insert block 16, the outer wall of the stopper 18 is fixedly connected to a push rod 19, the outer wall of the push rod 19 is fixedly connected to a clamping block 20, the outer wall of the clamping block 20 is clamped to the inner wall of the fixed plate 5, the outer wall of the stopper 18 is fixedly connected to a pull rod 13, and the outer wall of the pull rod 13 is movably connected to the inner wall of the fixed plate 5;

[0031] In the specific implementation process, it is worth pointing out that, under the cooperation of the pull rod 13, the block 20 and the insert block 16, after the placement box 6 is placed on the fixed plate 5, the pull rod 13 is pressed to insert the insert block 16 into the outer wall of the placement box 6, and the block 20 at the top of the ejector rod 19 is stuck on the inner wall of the fixed plate 5, so that the insert block 16 is fixed;

[0032] Furthermore, the top of the fixing plate 5 is fixedly connected to the limiting belt 21, the bottom of the limiting belt 21 is tightly pressed against a striker 22, the outer wall of the striker 22 is plugged into the inner wall of the fixing plate 5, and one end of the striker 22 extending to the inside of the fixing plate 5 is pressed against the top of the block 20;

[0033] In the specific implementation process, it is worth pointing out that, under the cooperation of the limiting belt 21, the striker 22 and the block 20, after the block 20 is stuck on the inner wall of the fixed plate 5, the top of the striker 22 will be pressed against the limiting belt 21. When the placement box 6 is removed, the striker 22 is pressed to move the block 20 out of the inner wall of the fixed plate 5, and under the pressure of the spring 17, the insert block 16 is moved out of the placement box 6, and the placement box 6 is removed;

[0034] Specifically, based on the above embodiment, when testing the liquid, the placement box 6 is placed on the top of the fixed plate 5, and the pull rod 13 is pressed to insert the plug 16 into the inner wall of the placement box 6, and the card block 20 is also driven to be stuck on the inner wall of the fixed plate 5. When the card block 20 is stuck on the inner wall of the fixed plate 5, the striker 22 is pushed up, and when replacing the placement box 6, the limiting belt 21 is pressed to make the striker 22 squeeze the card block 20 to move it out of the inner wall of the fixed plate 5, so that the plug block 16 is moved out of the outer wall of the placement box 6 under the action of the spring 17, and the placement box 6 is replaced.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laboratory liquid detection instrument, comprising a detection box (1), characterized in that: A fixing plate (5) is installed inside the detection box (1), a box door (14) is installed on the outer wall of the detection box (1), a placement box (6) is installed on the top of the fixing plate (5), a detection head (2) is arranged above the placement box (6), the detection head (2) is electrically connected to a warning light (3), the bottom of the warning light (3) is fixedly connected to the top of the detection box (1), and a lifting structure is installed on the outer wall of the fixing plate (5); The lifting structure comprises a connecting rod (12), a driving gear (11), a driven gear (15), a screw rod (9) and a sliding block (8); The outer wall of the connecting rod (12) is rotatably connected to the inner wall of the detection box (1) via a bearing, the outer wall of the connecting rod (12) is fixedly connected to a driving gear (11), the outer wall of the driving gear (11) is meshingly connected to a driven gear (15), the top of the driven gear (15) extending to the inside of the detection box (1) is fixedly connected to a screw rod (9), the outer wall of the screw rod (9) is rotatably connected to the inner wall of the detection box (1) via a bearing, the outer wall of the screw rod (9) is movably connected to a slider (8), the outer wall of the slider (8) is slidably engaged with the inner wall of the detection box (1), and the outer wall of the slider (8) is fixedly connected to the outer wall of the fixed plate (5).

2. A laboratory liquid detection instrument according to claim 1, characterized in that: The outer wall of the detection box (1) is fixedly connected to a controller (4), the controller (4) is electrically connected to a servo motor (10), the outer wall of the servo motor (10) is fixedly connected to the lower part of the outer wall of the detection box (1), and the output end of the servo motor (10) extends to the inside of the detection box (1) and is fixedly connected to one end of a connecting rod (12).

3. A laboratory liquid detection instrument according to claim 1, characterized in that: A protective shell (7) is provided on one side of the outer wall of the detection head (2), and the top of the protective shell (7) is fixedly connected to the top of the inner wall of the detection box (1).

4. A laboratory liquid detection instrument according to claim 1, characterized in that: The outer wall of the placement box (6) is inserted into the top of the fixed plate (5), and the outer wall of the placement box (6) is inserted with an insertion block (16), and the outer wall of the insertion block (16) is movably connected to the inner wall of the fixed plate (5), and the outer wall of the insertion block (16) is sleeved with a spring (17), one end of the spring (17) is pressed against the inner wall of the fixed plate (5), and the other side of the spring (17) is pressed against a stopper (18), and the outer wall of the stopper (18) is fixedly connected to one end of the insertion block (16), and the outer wall of the stopper (18) is fixedly connected to a push rod (19), and the outer wall of the push rod (19) is fixedly connected to a clamping block (20), and the outer wall of the clamping block (20) is clamped to the inner wall of the fixed plate (5), and the outer wall of the stopper (18) is fixedly connected to a pull rod (13), and the outer wall of the pull rod (13) is movably connected to the inner wall of the fixed plate (5).

5. A laboratory liquid detection instrument according to claim 1, characterized in that: The top of the fixing plate (5) is fixedly connected to a limiting belt (21), the bottom of the limiting belt (21) is pressed against a striker (22), the outer wall of the striker (22) is plugged into the inner wall of the fixing plate (5), and one end of the striker (22) extending to the inside of the fixing plate (5) is pressed against the top of the clamping block (20).

Images