Sharp-bottomed test tube weighing and fixing device

Abstract

The utility model discloses a sharp-bottomed test tube weighing and fixing device, and belongs to the technical field of experimental equipment. A sharp-bottomed test tube weighing and fixing device comprises an electronic scale, a connecting seat is arranged on the upper surface of the electronic scale, a connecting piece is arranged between the connecting seat and the electronic scale, a mounting seat is arranged on the upper surface of the connecting seat, and a clamping plate for fixing a sharp-bottomed test tube is arranged in the mounting seat. A locking piece is arranged between the clamping plate and the mounting seat, and a sponge cushion is mounted on the upper surface of the connecting seat; by designing the special connecting base, the mounting base, the clamping plate and the locking piece, the test tube with the sharp bottom can be stably fixed, the test tube can be kept in a horizontal state and is not prone to sliding off in the weighing process, and the problem that the test tube is prone to sliding off in a traditional weighing method is effectively solved through the design; meanwhile, the utility model provides two connecting piece options, namely a suction cup and a magnet, and the suction cup enables the device to be easily adsorbed on the surface of the electronic scale, which is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental equipment technical field, especially relate to a sharp bottom test tube weighing fixing device. BACKGROUND

[0002] In the laboratory of chemical, biological, pharmaceutical and other fields, sharp bottom test tube is the commonly used experimental container, is used to store and reacts various chemical reagents or biological samples, often needs weighing to sharp bottom test tube when carrying out experiment, to obtain the accurate mass of experimental material, thereby ensure the reliability of experimental result.

[0003] However, the shape of sharp bottom test tube is special, the bottom is sharp, is not easy to stable place, this has brought great inconvenience to weighing work, the traditional weighing method usually is placed in sharp bottom test tube on electronic scale, then is temporarily fixed with hand or other tools, this method is not only cumbersome, and is easy to cause the weighing result to be inaccurate because of unstable fixation, even possibly damage test tube or electronic scale;

[0004] In order to solve the above problems, some sharp bottom test tube fixing devices appear on the market, but these devices are mostly complex structure, inconvenient operation, and the fixing effect is not ideal. SUMMARY

[0005] The utility model discloses a kind of sharp bottom test tube weighing fixing devices to solve the problems existing in prior art.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of sharp bottom test tube weighing fixing device, including electronic scale, the upper surface of the electronic scale is equipped with connecting seat, connecting piece is equipped between the connecting seat and the electronic scale, the upper surface of the connecting seat is equipped with mounting seat, the mounting seat is equipped with the clamping plate for fixing the sharp bottom test tube, locking piece is equipped between the clamping plate and the mounting seat, the upper surface of the connecting seat is installed with sponge pad.

[0007] By adopting the above technical scheme, by designing special connecting seat and mounting seat, clamping plate and locking piece are combined, the stable fixation to sharp bottom test tube is realized, so that when weighing on electronic scale, test tube can keep horizontal and not easy to slip, greatly improve the accuracy and safety of weighing, simultaneously, the design of sponge pad on connecting seat effectively reduces the friction and vibration between test tube and device, further protects test tube.

[0008] Optionally, the connecting piece includes a suction cup mounted on the lower surface of the connecting seat.

[0009] By adopting the above technical scheme, the device can be easily adsorbed on the electronic scale surface by adopting the suction cup as the connecting piece, without the need for additional fixing tools or screws, and the installation and disassembly are extremely convenient, in addition, the design of the suction cup also has a certain buffering effect, which can reduce the influence of external vibration on the weighing result to a certain extent, and improve the stability of weighing.

[0010] Optionally, the connecting piece comprises a plurality of magnets mounted on the lower surface of the connecting seat, and the plurality of magnets are symmetrically distributed.

[0011] By adopting the above technical scheme, the device can be easily adsorbed on the electronic scale surface by adopting the suction cup as the connecting piece, without the need for additional fixing tools or screws, and the installation and disassembly are extremely convenient, in addition, the design of the suction cup also has a certain buffering effect, which can reduce the influence of external vibration on the weighing result to a certain extent, and improve the stability of weighing.

[0012] Optionally, the mounting seat is U-shaped, and rubber pads are mounted on the surfaces of the mounting seat and the clamping plate.

[0013] By adopting the above technical scheme, the U-shaped mounting seat design makes the clamping plate easier to hold the sharp-bottomed test tube, and the rubber pads on the surfaces of the mounting seat and the clamping plate effectively increase the friction to prevent the test tube from slipping during weighing, and the softness of the rubber pads also protects the test tube to a certain extent, avoiding damage to the test tube due to clamping too tightly.

[0014] Optionally, the locking piece comprises a slide channel opened in the side wall of the mounting seat, a through hole is opened at one end of the slide channel away from the clamping plate, a tooth plate is mounted in the slide channel and passes through the through hole, one end of the tooth plate away from the through hole is connected with the clamping plate, a push plate is mounted on the side of the tooth plate away from the clamping plate, a fixing seat is mounted on the side wall of the mounting seat, a locking block is arranged in the fixing seat and connected with the tooth plate, a reset spring is mounted between the locking block and the fixing seat, and a handle is mounted on one end of the locking block close to the fixing seat and extends to the outside of the fixing seat.

[0015] By adopting the above technical scheme, the locking piece is designed by the slide channel, the tooth plate, the locking block and the reset spring, which realizes the quick locking and unlocking of the clamping plate, and the user can easily open and close the clamping plate by operating the locking block through the handle, which is simple and convenient, in addition, the clamping plate is designed to be connected with the tooth plate, which ensures the stability of the clamping plate during weighing, avoiding the risk of test tube slipping due to loose clamping plate.

[0016] Optionally, a connecting hole is opened in the side wall of the mounting seat, the connecting hole is connected with the through hole, and the locking block is located in the connecting hole.

[0017] By adopting the technical scheme, the design of the connecting hole enables the locking block to move more smoothly in the slide, and ensures the stable clamping of the locking block at the perforation, which improves the reliability and durability of the locking member, and makes the device less likely to malfunction or be damaged during long-term use.

[0018] Optionally, the locking member comprises a threaded hole formed in the side wall of the mounting seat, a threaded column is arranged in the threaded hole, one end of the threaded column is connected with the clamping plate, a handle is mounted at the end of the threaded column away from the clamping plate, a directional seat is mounted on the side wall of the clamping plate, and a directional groove for the directional seat to move is formed in the inner side wall of the mounting seat.

[0019] By adopting the technical scheme, the threaded column and the handle are used as the locking member, so that the user can easily adjust the position and tightness of the clamping plate by rotating the handle, thereby stably clamping the sharp-bottomed test tube with different diameters, and the design of the directional seat and the directional groove ensures the accuracy and stability of the clamping plate during movement, avoiding the offset of the clamping plate, which improves the flexibility and applicability of the device.

[0020] Compared with the prior art, the device has the following beneficial effects:

[0021] 1. By designing a special connecting seat, a mounting seat, a clamping plate and a locking member, the device can stably fix the sharp-bottomed test tube, and the test tube can remain in a horizontal state and is not easy to slide off during weighing, which effectively solves the problem that the test tube is easy to slide off in the traditional weighing method, and the device provides two options of connecting members: a suction cup and a magnet, the suction cup design enables the device to be easily adsorbed on the surface of the electronic scale without the need for additional fixing tools or screws, and the installation and disassembly are very convenient, and the magnet connecting member enables the device to be applicable to electronic scale surfaces made of different materials, improving the universality and application range of the device, and the two connecting members simplify the installation process and improve the work efficiency.

[0022] 2. The locking member design of the device realizes the quick locking and unlocking of the clamping plate through the structures of the slide, the toothed plate, the locking block and the return spring, the user only needs to operate the locking block through the handle to easily open and close the clamping plate, the operation is simple and fast, and the stability of the clamping plate during weighing is ensured, and the risk of the test tube sliding off due to the loosening of the clamping plate is avoided.

[0023] 3. Another design option is to use a threaded column and a handle as a locking piece, so that the user can easily adjust the position and tightness of the clamping plate by rotating the handle, thereby achieving stable clamping of different diameter sharp bottom test tubes, and the design of the directional seat and the directional groove ensures the accuracy and stability of the clamping plate during movement, avoiding weighing errors caused by the deviation of the clamping plate, which improves the flexibility and applicability of the device, and can be widely used in laboratories in the fields of chemistry, biology, medicine and the like. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the connecting structure of the fixing device and the electronic scale of the utility model;

[0025] Figure 2 It is a schematic view of the sectional structure of the mounting seat of the utility model;

[0026] Figure 3 It is a schematic view of the connecting structure of the clamping plate and the toothed plate of the utility model;

[0027] Figure 4 It is a schematic view of the connecting structure of the locking block and the toothed plate of the utility model;

[0028] Figure 5 It is a schematic view of the three-dimensional structure of the locking block of the utility model.

[0029] In the figure: 1, electronic scale; 2, connecting seat; 3, connecting piece; 31, suction cup; 4, mounting seat; 401, rubber pad; 402, connecting hole; 5, clamping plate; 6, locking piece; 61, sliding way; 62, perforation; 63, toothed plate; 64, push plate; 65, fixing seat; 66, locking block; 67, return spring; 68, handle; 7, sponge pad; 8, sharp bottom test tube. DETAILED DESCRIPTION

[0030] The technical scheme of the utility model will be described clearly and completely in combination with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] In the description of the utility model, it should be pointed out that the terms "intermediate", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element 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.

[0032] As Figure 1 The specific scheme of the embodiment is shown in Figure 5: a sharp bottom test tube weighing fixing device, comprising an electronic scale 1, the electronic scale 1 as the weighing main body, providing accurate mass measurement function, is a precision instrument commonly used in the laboratory, ensuring the accurate mass of experimental materials, providing reliable data support for experimental results, the upper surface of the electronic scale 1 is provided with a connecting seat 2, the connecting seat 2 connects the electronic scale 1 and the mounting seat 4, providing a stable support platform for the mounting seat 4 and the sharp bottom test tube 8, through the design of reasonable connecting structure, ensuring the stability of the mounting seat 4 and the sharp bottom test tube 8 on it during weighing, avoiding shaking or falling;

[0033] The connecting seat 2 and the electronic scale 1 are provided with a connecting piece 3, the connecting piece 3 comprises a suction cup 31 mounted on the lower surface of the connecting seat 2, the suction cup 31 uses the principle of negative pressure to firmly adsorb the connecting seat 2 on the surface of the electronic scale 1, without the need for additional fixing tools, making it convenient to install and disassemble, and having a certain buffering effect, reducing the influence of external vibration on the electronic scale 1 and the sharp bottom test tube 8, improving the stability of weighing.

[0034] The upper surface of the connecting seat 2 is provided with a mounting seat 4, the mounting seat 4 is U-shaped, the mounting seat 4 provides a mounting platform for the clamping plate 5, and through its U-shaped design, it is convenient to clamp the sharp bottom test tube 8, ensuring that the clamping plate 5 can stably clamp the test tube, at the same time, the U-shaped design makes the bottom of the sharp bottom test tube 8 can be naturally embedded, improving the stability and safety of clamping, the surface of the mounting seat 4 and the clamping plate 5 is respectively provided with a rubber pad 401, the rubber pad 401 is installed on the surface of the mounting seat 4 and the clamping plate 5, increasing the friction force to prevent the sharp bottom test tube 8 from falling, at the same time, it plays a buffering role, effectively preventing the sharp bottom test tube 8 from falling due to shaking or external force during weighing, at the same time, protecting the sharp bottom test tube 8 from damage, improving the accuracy and safety of weighing, the mounting seat 4 is provided with a clamping plate 5 for fixing the sharp bottom test tube 8, the clamping plate 5 is used for clamping the sharp bottom test tube 8, ensuring that the sharp bottom test tube 8 remains horizontal and stable during weighing, avoiding the sharp bottom test tube 8 from shaking or tilting, resulting in inaccurate weighing results.

[0035] The locking piece 6 is arranged between the clamping plate 5 and the mounting base 4, and comprises a slide 61 arranged on the side wall of the mounting base 4, wherein a through hole 62 is arranged at one end of the slide 61 away from the clamping plate 5, a connecting hole 402 is arranged on the side wall of the mounting base 4 and connected with the through hole 62, a locking block 66 is arranged in the connecting hole 402, a toothed plate 63 is arranged in the slide 61 and passes through the through hole 62, one end of the toothed plate 63 away from the through hole 62 is connected with the clamping plate 5, a pushing plate 64 is arranged on one side of the toothed plate 63 away from the clamping plate 5, a fixing seat 65 is arranged on the side wall of the mounting base 4, the fixing seat 65 is provided with the locking block 66 which is clamped with the toothed plate 63, a reset spring 67 is arranged between the locking block 66 and the fixing seat 65, and a handle 68 is arranged at one end of the locking block 66 close to the fixing seat 65 and extends to the outside of the fixing seat 65;

[0036] The toothed plate 63 in the slide 61 is clamped with the locking block 66, so that the clamping plate 5 is quickly locked and unlocked, the handle 68 is used for operating the locking block 66, the reset spring 67 provides a reset force of the locking block 66, the user only needs to push the clamping plate 5 and the toothed plate 63 through the pushing plate 64, and the clamping plate 5 can be easily fixed to the sharp-bottomed test tube 8 through cooperation of the toothed plate 63 and the locking block 66, the clamping plate 5 can be easily separated from the sharp-bottomed test tube 8 through operation of the handle 68, the operation is simple and convenient, meanwhile, the clamping of the toothed plate 63 and the locking block 66 ensures the stability of the clamping plate 5 during weighing, and the risk that the sharp-bottomed test tube 8 slides due to loosening of the clamping plate 5 is avoided.

[0037] The upper surface of the connecting seat 2 is provided with a sponge pad 7, so that the test tube is further protected from damage, the influence of external vibration on the weighing result is reduced, and the stability and accuracy of weighing are improved.

[0038] In some embodiments, the connecting piece 3 can also adopt the following mode, wherein the connecting piece 3 comprises a plurality of magnets arranged on the lower surface of the connecting seat 2, and the plurality of magnets are symmetrically distributed;

[0039] The magnets are fixed on the surface of the electronic scale 1 through magnetic force, are suitable for materials such as iron and steel which can be attracted by the magnets, provide another stable connection mode, increase the universality and application range of the device, and facilitate quick installation and disassembly.

[0040] In some embodiments, the locking member 6 may also be configured such that the locking member 6 includes a threaded hole formed in the side wall of the mounting base 4, a threaded post is provided in the threaded hole, one end of the threaded post is connected to the clamping plate 5, a handle is installed at the end of the threaded post away from the clamping plate 5, a directional seat is installed on the side wall of the clamping plate 5, and a directional groove for the directional seat to move is formed in the inner side wall of the mounting base 4.

[0041] The position of the threaded post in the threaded hole is adjusted by rotating the handle, thereby adjusting the distance between the clamping plate 5 and the mounting base 4, so as to clamp the pointed bottom test tubes 8 of different diameters. The directional seat and directional groove ensure the accuracy and stability of the clamping plate 5 during the movement process, providing a flexible adjustment method, so that the device can be used for pointed bottom test tubes 8 of different diameters, improving the versatility and applicability of the device.

[0042] The working principle of the above embodiments is as follows:

[0043] If the surface of the electronic scale 1 is smooth and non-magnetic, use the connector 3 with suction cup 31 to firmly install the suction cup 31 on the lower surface of the connector 2, so that the connector 2 can be stably attached to the electronic scale 1.

[0044] If the surface of the electronic scale 1 is made of a material that can be attracted by a magnet, such as iron or steel, use a connector 3 with a magnet to symmetrically install the magnet on the lower surface of the connector 2 to ensure that the connector 2 can be firmly fixed on the electronic scale 1.

[0045] The bottom of the pointed-bottom test tube 8 is naturally embedded into the U-shaped design of the mounting base 4;

[0046] If a locking component 6 with a structure such as slide 61 and toothed plate 63 is used, the clamping plate 5 and toothed plate 63 are pushed by the push plate 64. With the cooperation of toothed plate 63 and locking block 66, the clamping plate 5 clamps the pointed bottom test tube 8.

[0047] If a locking component 6 with a threaded hole or threaded post structure is used, the position of the threaded post in the threaded hole can be adjusted by rotating the handle so that the clamping plate 5 can hold the pointed bottom test tube 8.

[0048] Turn on the electronic scale 1 to measure the mass;

[0049] Record the weighing results to provide reliable data support for the experimental results.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sharp bottom test tube weighing fixing device comprising an electronic scale, characterized in that, The upper surface of the electronic scale is provided with a connecting seat, a connecting piece is arranged between the connecting seat and the electronic scale, the upper surface of the connecting seat is provided with a mounting seat, a clamping plate for fixing the sharp-bottomed test tube is arranged in the mounting seat, a locking piece is arranged between the clamping plate and the mounting seat, and a sponge pad is mounted on the upper surface of the connecting seat.

2. The device according to claim 1, characterized in that: The connecting piece comprises a suction disc mounted on the lower surface of the connecting seat.

3. The device according to claim 1, wherein: the device is characterized by: The connecting piece comprises a plurality of magnets mounted on the lower surface of the connecting seat, and the plurality of magnets are symmetrically distributed.

4. The device according to claim 1, wherein: the device is characterized by: The mounting seat is U-shaped, and rubber pads are mounted on the surfaces of the mounting seat and the clamping plate.

5. The device according to claim 1, wherein: the device is characterized by: The locking piece comprises a slide channel formed in the side wall of the mounting seat, a through hole is formed in the end of the slide channel away from the clamping plate, a toothed plate is mounted in the slide channel and passes through the through hole, the end of the toothed plate away from the through hole is connected with the clamping plate, a push plate is mounted on the side of the toothed plate away from the clamping plate, a fixing seat is mounted on the side wall of the mounting seat, a locking block that is engaged with the toothed plate is arranged in the fixing seat, a return spring is arranged between the locking block and the fixing seat, and a handle that penetrates through the fixing seat and extends to the outside of the fixing seat is mounted on the end of the locking block close to the fixing seat.

6. The device according to claim 5, wherein: the device is characterized by: A connecting hole is formed in the side wall of the mounting seat, the connecting hole is connected with the through hole, and the locking block is arranged in the connecting hole.

7. The device according to claim 1, wherein: the device is characterized by: The locking piece comprises a threaded hole formed in the side wall of the mounting seat, a threaded column is arranged in the threaded hole, one end of the threaded column is connected with the clamping plate, a handle is mounted on the end of the threaded column away from the clamping plate, a directional seat is mounted on the side wall of the clamping plate, and a directional slot for the directional seat to move and orient is formed in the inner side wall of the mounting seat.

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