CN211537563U - Water bath constant temperature oscillator - Google Patents

Abstract

The utility model discloses a water bath constant temperature oscillator, which comprises a shell and a water bath tank arranged in the shell, wherein the bottom of the water bath tank is provided with an oscillating motor; the outer wall of the water bath box is connected with the shell through a first spring; a heater and a temperature sensor are arranged in the water bath tank, the heater and the temperature sensor are connected with a controller, and the controller is fixedly connected to the outer wall of the shell; the test tube placing rack is arranged in the water bath tank and comprises a supporting plate which is circularly arranged, four vertical plates are uniformly distributed and connected to the upper end of the supporting plate along the circumferential direction, the vertical plates are connected with supporting plates in a sliding mode, and the supporting plates are arranged above the supporting plate; the outer wall of the vertical plate is connected with a hook which is hung at the upper edge of the water bath box. The distance between the supporting plate and the supporting plate of the utility model is adjustable, which is suitable for test tubes with different lengths; the hook is arranged, so that the disassembly and assembly are convenient, and the subsequent replacement and maintenance are convenient.

Description

A water bath constant temperature oscillator

technical field

The utility model relates to the technical field of oscillators, in particular to a water bath constant temperature oscillator.

Background technique

The water bath constant temperature oscillator is a biochemical instrument that combines a temperature-controlled constant temperature water bath and an oscillator. It is mainly suitable for biological, biochemical, Shaking culture of various liquid and solid compounds such as cells and strains.

After retrieval, the Chinese utility model patent with the authorized announcement number CN201832586U discloses a water bath oscillator, which includes a casing, a cylinder body is arranged in the casing, and a vibration spring is arranged between the casing and the cylinder body. A support plate and a support plate are fixed in the cylinder, and test tubes are arranged on the support plate and the support plate.

When the above device is used, there are still the following problems: the support plate and the support plate are fixed in the cylinder body, which is inconvenient to disassemble, and the subsequent replacement and maintenance are troublesome; the distance between the support plate and the support plate cannot be adjusted, and it cannot be applied to test tubes of different lengths ; There is a hard connection between the test tube wall and the through hole of the support plate. During the oscillation process, the collision between the test tube wall and the support plate is prone to damage.

Utility model content

In order to solve the above-mentioned problems in the prior art, a water bath constant temperature oscillator is provided.

The technical scheme adopted by the utility model to solve its technical problems is:

The utility model proposes a water bath constant temperature oscillator, which comprises a casing and a water bath box arranged in the casing, the bottom of the water bath box is provided with an oscillating motor; the outer wall of the water bath box is connected with the casing through a first spring There is a heater and a temperature sensor in the water bath, the heater and the temperature sensor are connected with a controller, and the controller is fixedly connected to the outer wall of the shell; a test tube is arranged in the water bath A placing rack, the test tube placing rack includes a support plate arranged in a circle, the upper end of the support plate is connected with four vertical plates evenly distributed along the circumferential direction, the vertical plates are slidably connected with a support plate, and the support plate is arranged on the Above the support plate; the support plate is provided with a plurality of through holes; the center of the support plate is also provided with a threaded hole, the threaded hole is threadedly connected with a screw, and the bottom of the screw is supported on the upper end of the support plate; A hook is connected to the outer wall of the vertical plate, and the hook is hung on the upper edge of the water bath.

Preferably, the vertical plate is provided with a chute; the side wall of the support plate is uniformly distributed with sliding rails along the circumferential direction, and the sliding rails are slidably arranged in the chute.

Preferably, a magnet is provided at the center of the upper surface of the pallet.

Preferably, three arc-shaped clips are arranged in the through hole, and a second spring is connected to the arc-shaped clips, and the second spring is connected to the inner wall of the through hole.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In the present invention, a chute is provided on the vertical plate, and a slide rail is provided on the support plate, so that the support plate can slide up and down along the chute, thereby adjusting the distance between the support plate and the support plate to make it suitable for test tubes of different lengths. ; In addition, by setting the screw on the support plate to connect the screw, the screw top is supported on the support plate to realize the fixation of the support plate;

2. In the present utility model, hooks are arranged on the vertical plate, and the hooks are hung on the upper edge of the water bath box, which is convenient for installation and disassembly, and the entire test tube placement rack can be lifted out of the water bath box, which is convenient for subsequent maintenance and replacement;

3. The utility model has a buffering effect by providing an arc-shaped clip and a second spring in the through hole to prevent the damage of the test tube wall and the support plate from colliding.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

FIG. 2 is a perspective view of the test tube placing rack in FIG. 1 (with the hook removed).

FIG. 3 is a top plan view of the test tube placing rack in FIG. 2 (with the hook removed).

4 is a schematic top view of the structure of the test tube placement rack in the third embodiment of the present invention (with the hook removed).

FIG. 5 is an enlarged view of the partial structure of the arc clip in FIG. 4 .

Explanation of reference numbers:

1 shell; 2 water bath box; 3 first spring; 4 oscillation motor; 5 heater; 6 pallet; 7 vertical plate; 8 support plate; 9 through hole; 10 placement slot; 11 threaded hole; 12 screw; 13 hook ; 14 temperature sensor; 15 cover plate; 16 controller; 17 chute; 18 feet; 19 arc clip; 20 second spring; 21 slide rail; 22 magnet.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

Example 1

As shown in FIGS. 1-3 , this embodiment proposes a water bath constant temperature oscillator, which includes a housing 1 , the bottom of the housing 1 is provided with feet 18 , the housing 1 has a cavity inside, and a water bath is provided in the housing 1 Box 2, the bottom of the water bath box 2 is provided with an oscillating motor 4; the outer wall of the water bath box 2 is connected with the inner wall of the shell 1 through a plurality of first springs 3; the water bath box 2 is provided with a heater 5 and a temperature sensor 14, and the heater 5 is connected to the inner wall of the shell 1. The temperature sensor 14 is connected with a controller 16 ; the controller 16 is fixedly connected to the outer wall of the housing 1 . The temperature sensor 14 can monitor the temperature in the water bath in real time and feed it back to the controller 16. When the temperature is lower than a certain value, the controller 16 will turn on the heater 5 to increase the temperature; the model of the temperature sensor 14 can be selected from STWB- PT100.

The water bath box 2 is provided with a test tube placing rack. The test tube placing rack includes a support plate 6 arranged in a circle. The upper end of the support plate 6 is connected with four vertical plates 7 evenly distributed along the circumferential direction. The vertical plate 7 is slidably connected with a support plate 8. The support plate 8 is arranged above the support plate 7 and can slide up and down along the vertical plate 7. Specifically, the vertical plate 7 is provided with a chute 17, and the side wall of the support plate 8 is evenly distributed along the circumferential direction with vertically arranged sliding rails 21, and the sliding rails 21 slide It is arranged in the chute 17; the support plate 8 is provided with a number of through holes 9 for inserting test tubes; the center of the support plate 8 is also provided with a threaded hole 11, the threaded hole 11 is threadedly connected with a screw 12, and the bottom of the screw 12 is top Supported on the upper end of the pallet 6 . By rotating the screw 12, the distance between the support plate 8 and the support plate 6 can be adjusted, so as to adapt to test tubes of different lengths.

By opening the chute 17 on the vertical plate 7, and providing the sliding rail 21 on the supporting plate 8, the supporting plate 8 can slide up and down along the sliding groove 17, thereby adjusting the distance between the supporting plate 8 and the supporting plate 6 to make it suitable for different In addition, by screwing the screw 12 on the support plate 8, and using the screw 12 to support the support plate 6, the support plate 8 is fixed.

The outer wall of the vertical plate 7 is connected with a hook 13, and the hook 13 is hung on the upper edge of the water bath box 2; the hook 13 is provided, and the hook 13 is hung on the upper edge of the water bath box 2, which is convenient for installation and disassembly, and the entire test tube can be The placing rack is lifted out of the water bath box 2, which is convenient for subsequent maintenance and replacement.

A cover plate 15 is also provided above the casing 1, and the cover plate 15 can effectively prevent heat loss, reduce power consumption, reduce water loss, and save energy.

The specific working process is as follows:

When in use, slide the support plate 8 up along the chute 17 to separate the support plate 8 from the vertical plate 7, and then rotate the screw 12 according to the length of the test tube to adjust the distance between the bottom end of the screw 12 and the support plate 8 to make it Fit the length of the test tube, then slide the support plate 8 and the screw 12 along the chute 17, so that the bottom end of the screw 12 is supported on the end face of the support plate 6, and then insert the test tube into the through hole 9; then put the entire test tube placement rack into the water bath In the box 2, the hook hanger 13 is arranged on the upper edge of the water bath box 2 to realize the fixation of the test tube placing rack.

Turn on the heater 5 to heat the water. When the water temperature reaches the test requirements, start the oscillation motor 4 and oscillate according to the test requirements.

Embodiment 2

Continuing to refer to FIG. 1 , on the basis of Embodiment 1, in order to better fix the test tube, the support plate 6 is provided with placement grooves 10 , and the number and position of the placement grooves 10 are set corresponding to the through holes 9 .

The center of the upper end surface of the support plate 6 is provided with a magnet 22 for adsorbing the screw 12 . During the oscillation process, the adsorption force of the magnet 22 can improve the stability of the support plate 8 .

Embodiment 3

Referring to Figures 4-5, on the basis of the second embodiment, the through hole 9 is provided with three evenly distributed arc-shaped clips 19, the arc-shaped clips 19 are connected with a second spring 20, and the second spring 20 Connected to the inner wall of the through hole 9 . By arranging the second spring 20 and the arc-shaped clip 19, on the one hand, the test tube can be clamped more tightly, and at the same time, it can be applied to test tubes of different diameters, which increases the scope of use; on the other hand, the test tube wall and the through hole 9 The hard contact between the inner walls is changed to soft contact, and the buffering effect played by the second spring 20 can be used to better protect the test tube and prevent the collision between the test tube wall and the inner wall of the through hole 9 during the oscillation process. Safe to use.

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 in these embodiments without departing from the principles and spirit of the invention. Variations, the scope of the present invention is defined by the claims and their equivalents.

Claims (4)

1. A water bath constant temperature oscillator comprises a shell (1) and a water bath tank (2) arranged in the shell (1), wherein an oscillating motor (4) is arranged at the bottom of the water bath tank (2); the device is characterized in that the outer wall of the water bath tank (2) is connected with the shell (1) through a first spring (3); a heater (5) and a temperature sensor (14) are arranged in the water bath tank (2), the heater (5) and the temperature sensor (14) are connected with a controller (16), and the controller (16) is fixedly connected to the outer wall of the shell (1); the test tube placing rack is arranged in the water bath box (2) and comprises a supporting plate (6) which is circularly arranged, four vertical plates (7) are uniformly distributed and connected to the upper end of the supporting plate (6) along the circumferential direction, the vertical plates (7) are slidably connected with supporting plates (8), and the supporting plates (8) are arranged above the supporting plate (6); the supporting plate (8) is provided with a plurality of through holes (9); a threaded hole (11) is further formed in the center of the supporting plate (8), a screw rod (12) is connected to the threaded hole (11) in an internal thread mode, and the bottom of the screw rod (12) is supported against the upper end of the supporting plate (6); the outer wall of the vertical plate (7) is connected with a hook (13), and the hook (13) is hung at the upper edge of the water bath box (2).

2. The water bath constant temperature oscillator according to claim 1, characterized in that a chute (17) is formed on the vertical plate (7); backup pad (8) lateral wall is equipped with slide rail (21) along circumference equipartition, slide rail (21) slide to be set up in spout (17).

3. A water bath constant temperature oscillator according to claim 2, characterized in that the central position of the upper end surface of the supporting plate (6) is provided with a magnet (22).

4. The water bath constant temperature oscillator according to claim 2, characterized in that 3 arc-shaped clamping pieces (19) are arranged in the through hole (9), a second spring (20) is connected to the arc-shaped clamping pieces (19), and the second spring (20) is connected with the inner wall of the through hole (9).

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