Fixing device for biological sampler

Abstract

The utility model belongs to the technical field of fixing of biological samplers, and particularly relates to a fixing device for a biological sampler, which comprises a base, a balancing weight is mounted in the base, a vent hole is formed in the base, a first hinge rod is hinged to the vent hole, a sealing plate is hinged to the first hinge rod, and a second hinge rod is hinged to the sealing plate. A first damping pad is fixedly connected to the outer side of the sealing plate, an elastic piece is fixedly connected to the lower surface of the sealing plate, and one end of the elastic piece is fixedly connected to the inner wall of the ventilation hole; when the biological sampler is fixed, the suction cup is attached to a table top or the ground, the connecting strength of the outer side of the bottom of the base and the table top or the ground is improved, the weight of the bottom of the device can be increased through the counterweight block, and therefore the gravity center of the whole device is reduced, and the situation that the biological sampler is displaced when impact force is generated when the biological sampler is impacted by external force is avoided; therefore, the fixing strength of the biological sampler is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the biological sampler fixing technical field, specifically a kind of fixing device for biological sampler. BACKGROUND

[0002] Microorganism sampler is a kind of special instrument for collecting microbial particles in air, and the microbial particles in air are collected on sampling medium by specific sampling principle and device, so as to be cultured and counted subsequently, in order to improve the stability of biological sampler use time, a fixing device for biological sampler is provided.

[0003] A fixing device for microorganism sampler is disclosed in a Chinese patent with the authorization announcement number CN222665838U, which uses the base with larger bottom area and counterweight to increase the stability of the device, and cooperates with the triangular support fixing of support frame to effectively prevent the device from toppling, and uses screw rod to drive movable block to move up and down, so as to drive the microorganism sampler installed on the storage table to flexibly and conveniently adjust height, solve the problem of poor stability of the fixing device for microorganism sampler, and manually adjust height during use, and the adjusting structure is not convenient.

[0004] However, the above-mentioned scheme still has some problems, only the counterweight is added at the bottom of the device, and the impact force generated when the biological sampler is impacted by external force is easy to displace, and thus the stability of the biological sampler is poor, therefore, a fixing device for biological sampler is proposed for the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, and in view of the problems existing in the prior art, the utility model provides a fixing device for biological sampler.

[0006] The technical scheme adopted by the utility model to solve its technical problems is a fixing device for biological sampler, which comprises: a base, a counterweight is installed in the inside of the base, a ventilation hole is formed in the base, a first hinged rod is hinged on the ventilation hole, a sealing plate is hinged on the first hinged rod, a first damping pad is fixedly connected to the outside of the sealing plate, an elastic sheet is fixedly connected to the lower surface of the sealing plate, one end of the elastic sheet is fixedly connected to the inner wall of the ventilation hole, a suction disc is fixedly connected to the inner wall of the ventilation hole, the sealing plate and the first damping pad are located above the suction disc, a positioning hole is formed in the base, the counterweight can increase the weight of the bottom of the device, so as to reduce the gravity center of the whole device.

[0007] Preferably, the inside of the positioning hole is connected with a positioning rod, the outside of the positioning rod is fixedly connected with a rubber pad, the rubber pad is attached to the inner wall of the positioning hole, and the upper surface of the positioning rod is connected with a supporting rod.

[0008] Preferably, one end of the supporting rod is hingedly connected with a second hinge rod, the second hinge rod is hingedly connected with a hollow rod, the inside of the hollow rod is slidingly connected with a second damping pad, and the second damping pad can increase the friction with the inner wall of the hollow rod, thereby cooperating with the internal thread, improving the stability of the tray.

[0009] Preferably, the upper surface of the second damping pad is fixedly connected with a limiting plate, and the limiting plate is slidingly connected in the inside of the hollow rod, so that the movement range of the adjusting screw rod can be controlled, thereby avoiding the adjusting screw rod from falling out of the inside of the hollow rod.

[0010] Preferably, the upper surface of the limiting plate is fixedly connected with an adjusting screw rod, the inside of the hollow rod is provided with an internal thread, and the adjusting screw rod is in threaded connection with the internal thread, so that the exposed length of the adjusting screw rod can be adjusted by rotating the adjusting screw rod, the height of the biological sampler can be adjusted, and the height of the biological sampler can be matched with the height of the hands of the operator.

[0011] Preferably, one end of the adjusting screw rod is fixedly connected with a tray, the outside of the tray is fixedly connected with a baffle, and the upper surface of the tray is fixedly connected with an antiskid pad, so that the biological sampler can be placed on the tray during use, the lower surface of the biological sampler is attached to the antiskid pad, the friction between the two can be increased, and the biological sampler is located in the inside of the baffle, so that the stability of the biological sampler during use can be increased.

[0012] The biological sampler is fixed, the suction cup is attached to the tabletop or the ground, the connection strength between the outside of the bottom of the base and the ground or the tabletop is improved, the weight of the device bottom can be increased by the matching block, the gravity center of the whole device is reduced, the displacement of the biological sampler can be avoided when the impact force caused by external force impact is generated, and the fixing strength of the biological sampler is improved.

[0013] The adjusting screw rod is matched with the internal thread, the exposed length of the adjusting screw rod can be adjusted by rotating the adjusting screw rod, the height of the biological sampler can be adjusted, the height of the biological sampler can be matched with the height of the hands of the operator, the hands of the operator can be prevented from being forced unevenly due to the posture of standing on tiptoe or bending, the damage probability of the sampling sample can be reduced, and the practicability of the fixing device of the biological sampler is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these drawings without creative labor.

[0015] Figure 1 It is a schematic diagram of the overall structure.

[0016] Figure 2 It is a schematic diagram of the base section.

[0017] Figure 3 It is a schematic diagram of the suction cup assembly section.

[0018] Figure 4 It is a schematic diagram of the lifting assembly section.

[0019] Figure 5 It is a schematic diagram of the tray.

[0020] In the figure: 1, base; 2, counterweight; 3, ventilation hole; 4, first hinged rod; 5, sealing plate; 6, first damping pad; 7, elastic sheet; 8, suction cup; 9, positioning hole; 10, positioning rod; 11, support rod; 12, second hinged rod; 13, hollow rod; 14, second damping pad; 15, limiting plate; 16, adjusting screw; 17, internal thread; 18, tray; 19, baffle; 20, non-slip pad. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] Please refer to Figures 1-5As shown, a fixing device for a biological sampler, including: the base 1, the inside of base 1 is mounted with counterweight 2, base 1 is provided with a ventilation hole 3, the ventilation hole 3 is hinged with the first hinge rod 4, the first hinge rod 4 is hinged with the sealing plate 5, the outer side of sealing plate 5 is fixedly connected with the first damping pad 6, the lower surface of sealing plate 5 is fixedly connected with the elastic sheet 7, one end of elastic sheet 7 is fixedly connected with the inner wall of ventilation hole 3, the inner wall of ventilation hole 3 is fixedly connected with the suction cup 8, sealing plate 5 and first damping pad 6 are located above the suction cup 8, base 1 is provided with a positioning hole 9, the inside of positioning hole 9 is connected with the positioning rod 10, the outer side of positioning rod 10 is fixedly connected with the rubber pad, the rubber pad is attached to the inner wall of positioning hole 9, the upper surface of positioning rod 10 is connected with the support rod 11, one end of support rod 11 is hinged with the second hinge rod 12, the second hinge rod 12 is hinged with the hollow rod 13, the inside of hollow rod 13 is slidably connected with the second damping pad 14;

[0023] The impact force generated when the biological sampler is impacted by external force is prone to displacement, so as to improve the stability of the biological sampler during use, a fixing device for a biological sampler is provided, in actual use, three sets of support rods 11 are rotated outward with the second hinge rod 12 as the axis, so that the three sets of positioning rods 10 correspond to the positions of the positioning holes 9, and the hollow rods 13 are located at the center of the base 1, then the hollow rods 13 and the three sets of support rods 11 are pressed downward, so that the positioning rods 10 and the rubber pads enter the inside of the positioning holes 9, thereby fixing the positions of the three sets of support rods 11 and the hollow rods 13, and the rubber pads increase the friction with the inner wall of the positioning holes 9, which can further improve the stability of the support rods 11 and the hollow rods 13, before the use of the biological sampler, the base 1 and the suction cup 8 are attached to the ground or the tabletop, the base 1 is pressed downward, so that the air in the suction cup 8 is discharged outward through the ventilation hole 3, the impact of air discharge rotates the three sets of sealing plates 5 upward with the first hinge rod 4 as the axis, so that the three sets of first damping pads 6 are separated, and the elastic sheet 7 is stretched, when the suction cup 8 is tightly attached to the inner wall of the ground or the tabletop, the air inside is completely discharged, the impact force of the air disappears, the sealing plates 5 and the first damping pads 6 are returned to the original position by the elastic force of the elastic sheet 7, so that the three sets of first damping pads 6 are tightly attached, thereby sealing the top of the ventilation hole 3, avoiding air entering between the suction cup 8 and the tabletop or the ground, which can improve the adhesion of the base 1 to the ground or the tabletop, and the counterweight 2 can increase the gravity center of the device, which can improve the stability of the biological sampler after being fixed, after sampling, one set of sealing plate 5 is pulled upward, so that air enters between the suction cup 8 and the ground or the tabletop through the ventilation hole 3, which can separate the suction cup 8 from the ground or the tabletop, thereby facilitating the installation and disassembly of the fixing device.

[0024] Please refer to Figures 1-5As shown, the upper surface of the second damping pad 14 is fixedly connected with a limiting plate 15, the limiting plate 15 is slidingly connected in the hollow rod 13, the upper surface of the limiting plate 15 is fixedly connected with an adjusting screw rod 16, the hollow rod 13 is internally provided with an internal thread 17, the adjusting screw rod 16 is threadedly connected with the internal thread 17, one end of the adjusting screw rod 16 is fixedly connected with a tray 18, the outer side of the tray 18 is fixedly connected with a baffle 19, and the upper surface of the tray 18 is fixedly connected with an anti-skid pad 20;

[0025] When the biological sampler is used, it is placed on the tray 18, the lower surface of the biological sampler is attached to the anti-skid pad 20, the friction between the biological sampler and the anti-skid pad 20 can be increased, and the biological sampler is located in the inside of the baffle 19, so that the stability of the biological sampler during use can be increased. Since the adjusting screw rod 16 is matched with the internal thread 17, the height of the biological sampler can be adjusted by rotating the adjusting screw rod 16, so that the height of the biological sampler is matched with the height of the operator's hand, so that the uneven force of the operator's hand caused by the posture of standing on tiptoe or bending over can be avoided, the damage probability of the sampling sample can be reduced, and the practicability of the fixing device of the biological sampler is improved. When the device is in a stable state, the second damping pad 14 can increase the friction with the inner wall of the hollow rod 13, so as to cooperate with the internal thread 17 and improve the stability of the tray 18. When the adjusting screw rod 16 rotates, the limiting plate 15 can control the movement range of the adjusting screw rod 16, so as to avoid the adjusting screw rod 16 from falling off from the inside of the hollow rod 13, and the stability of the fixing device in use is improved.

[0026] The working principle is that the hollow rod 13 and the three sets of supporting rods 11 are pressed downward, so that the positioning rod 10 and the rubber pad enter the inside of the positioning hole 9, thereby fixing the positions of the three sets of supporting rods 11 and the hollow rod 13, before the biological sampler is used, the base 1 and the suction disc 8 are attached to the ground or the tabletop, the base 1 is pressed downward, so that the air in the suction disc 8 is discharged outward through the ventilation hole 3, the impact of the air discharge drives the three sets of sealing plates 5 to rotate upward around the first hinge rod 4, so that the three sets of first damping pads 6 are separated, and the elastic sheet 7 is stretched, when the suction disc 8 is attached to the inner wall of the ground or the tabletop, the air in the inside is completely discharged, the impact force of the air disappears, the elastic sheet 7 drives the sealing plate 5 and the first damping pad 6 to return to the original position by the elastic force of the elastic sheet 7, so that the three sets of first damping pads 6 are attached, thereby sealing the top of the ventilation hole 3, avoiding that the air enters between the suction disc 8 and the tabletop or the ground by itself, rotating the adjusting screw rod 16 can adjust the exposed length thereof, that is, the height of the tray 18 can be adjusted, when the biological sampler is used, it is placed on the tray 18, so that the lower surface thereof is attached to the non-slip pad 20, the friction between the two can be increased, and the biological sampler is located in the baffle 19, so that the stability of the biological sampler when used can be increased.

[0027] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The basic principle, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A fixing device for a biological sampler, characterized in that: include: A base (1) is provided, a counterweight (2) is installed inside the base (1), a ventilation hole (3) is provided on the base (1), a first hinge rod (4) is hinged on the ventilation hole (3), a sealing plate (5) is hinged on the first hinge rod (4), a first damping pad (6) is fixedly connected to the outer side of the sealing plate (5), an elastic sheet (7) is fixedly connected to the lower surface of the sealing plate (5), one end of the elastic sheet (7) is fixedly connected to the inner wall of the ventilation hole (3), a suction cup (8) is fixedly connected to the inner wall of the ventilation hole (3), the sealing plate (5) and the first damping pad (6) are located above the suction cup (8), and a positioning hole (9) is provided on the base (1).

2. The fixing device for a biological sampler according to claim 1, characterized in that: A positioning rod (10) is connected inside the positioning hole (9), and a rubber pad is fixedly connected to the outside of the positioning rod (10). The rubber pad is in contact with the inner wall of the positioning hole (9), and a support rod (11) is connected to the upper surface of the positioning rod (10).

3. The fixing device for a biological sampler according to claim 2, characterized in that: One end of the support rod (11) is hinged to a second hinge rod (12), and a hollow rod (13) is hinged to the second hinge rod (12). A second damping pad (14) is slidably connected inside the hollow rod (13).

4. The fixing device for a biological sampler according to claim 3, characterized in that: A limiting plate (15) is fixedly connected to the upper surface of the second damping pad (14), and the limiting plate (15) is slidably connected inside the hollow rod (13).

5. A fixing device for a biological sampler according to claim 4, characterized in that: An adjusting screw (16) is fixedly connected to the upper surface of the limiting plate (15), and an internal thread (17) is provided inside the hollow rod (13). The adjusting screw (16) is threadedly connected to the internal thread (17).

6. A fixing device for a biological sampler according to claim 5, characterized in that: One end of the adjusting screw (16) is fixedly connected to a tray (18), a baffle (19) is fixedly connected to the outside of the tray (18), and an anti-slip pad (20) is fixedly connected to the upper surface of the tray (18).

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