CN221933974U - A reagent heating rack for laboratory use - Google Patents

Abstract

The utility model discloses a laboratory reagent heating rack, which specifically relates to the technical field of laboratory appliances, including a base, a support frame fixed on one side of the upper end of the base, a rotating motor installed on the upper end of the supporting frame, a threaded rod connected to the output end of the rotating motor, a lifting seat threadedly installed on the threaded rod, one end of the lifting seat slidingly connected to the inner wall of the supporting frame through a slider, a cross bar installed on the other end of the lifting seat, a connecting rod installed on the lower end of the cross bar, a mounting plate fixed on the lower end of the connecting rod, a plurality of jacks are provided on the mounting plate, a support rod is installed on one end of the inner wall of the jack, a first clamping plate is installed on the other end of the supporting rod, a pull rod is movably provided on the mounting plate, a second clamping plate is installed on one end of the pull rod, and a telescopic spring is provided on the outer side of the pull rod. The utility model is convenient for fixing and clamping test tubes of different sizes, and the test tubes will not float out of the holes of the test tube rack due to the buoyancy of water, has good fixing effect, is simple to operate, and is convenient for experimental work.

Description

A reagent heating rack for laboratory use

Technical Field

The utility model relates to the technical field of laboratory appliances, and more specifically, to a reagent heating rack for a laboratory.

Background Art

In the laboratory, water bath heating is a common method for reheating reagents or samples. Water bath heating generally involves placing the sample or reagent in a container, and then placing the container in a water bath to heat the sample or reagent through heat transfer from water.

At present, it is difficult for some laboratories to find heating racks of suitable sizes for some large-volume test tubes. In addition, for some experiments that require multiple heating, sometimes the initial reagent reaction volume is small, which causes the container to easily float out of the hole of the test tube rack due to the buoyancy of water. The operation is time-consuming and laborious, with low work efficiency, which is not conducive to the experimental work.

Utility Model Content

In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a laboratory reagent heating rack to solve the problems raised in the above-mentioned background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a laboratory reagent heating rack comprises a base, a support frame is fixed on one side of the upper end of the base, a rotating motor is installed on the upper end of the support frame, the output end of the rotating motor is connected with a threaded rod, a lifting seat is threadedly installed on the threaded rod, one end of the lifting seat is slidably connected to the inner wall of the support frame through a slider, and the other end of the lifting seat is installed with a cross bar, the lower end of the cross bar is installed with a connecting rod, the lower end of the connecting rod is fixed with a mounting plate, a plurality of sockets are opened on the mounting plate, a support rod is installed at one end of the inner wall of the socket, a first clamping plate is installed at the other end of the support rod, and a pull rod is movably provided on the mounting plate, a second clamping plate is installed at one end of the pull rod, a telescopic spring is provided on the outer side of the pull rod, one end of the telescopic spring is connected to the inner wall of the socket, the other end of the telescopic spring is connected to the back of the second clamping plate, and a handle is installed at the other end of the pull rod.

In a preferred embodiment, the first clamping plate and the second clamping plate are both arc-shaped structures.

In a preferred embodiment, a counterweight plate is installed at the lower end of the base.

In a preferred embodiment, a water bath positioning groove is provided on the upper end surface of the base.

Compared with the prior art, the technical effects and advantages of the utility model are as follows:

The utility model places a water bath in a water bath positioning groove on a base, pulls a pull rod by a handle to make the pull rod move in the mounting plate, and the second clamping plate moves to a side away from the first clamping plate under the action of the pulling force of the pull rod, at which time the telescopic spring is in a contracted state, and then a test tube filled with a reagent is put between the first clamping plate and the second clamping plate in the insertion hole, and then the handle is released, the pull rod is reset under the rebound action of the telescopic spring, and drives the second clamping plate to reset and clamp the test tube, which is convenient for fixing and clamping test tubes of different sizes, and the test tube will not float out of the hole of the test tube rack due to the buoyancy of water, has a good fixing effect, and is convenient for operation. After the test tube is fixed, the threaded rod is driven to rotate by rotating the rotating motor, and the lifting seat is threadedly installed on the threaded rod, one end of the lifting seat is slidably connected to the inner wall of the support frame through a slider, and the threaded rod rotates to drive the lifting seat to move downward, and the lifting seat moves downward to drive the cross bar, the connecting rod, and the mounting plate to move downward, thereby driving the test tube filled with the reagent to move downward, so that the test tube is convenient for entering the water bath for heating, the operation is simple and efficient, and the experimental work is convenient.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG. 2 is a schematic structural diagram of a test tube clamping structure of the present invention.

The accompanying drawings are marked as follows: 1. base; 2. support frame; 3. rotating motor; 4. threaded rod; 5. lifting seat; 6. slider; 7. cross bar; 8. connecting rod; 9. mounting plate; 10. socket; 11. support rod; 12. first clamping plate; 13. pull rod; 14. second clamping plate; 15. telescopic spring; 16. handle; 17. counterweight plate; 18. water bath positioning groove.

DETAILED DESCRIPTION

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.

According to a laboratory reagent heating rack shown in Figures 1-2, it includes a base 1, a support frame 2 is fixed to one side of the upper end of the base 1, a rotating motor 3 is installed on the upper end of the supporting frame 2, the output end of the rotating motor 3 is connected to a threaded rod 4, a lifting seat 5 is threadedly installed on the threaded rod 4, one end of the lifting seat 5 is slidably connected to the inner wall of the supporting frame 2 through a slider 6, and a cross bar 7 is installed at the other end of the lifting seat 5, a connecting rod 8 is installed at the lower end of the cross bar 7, and a mounting plate 9 is fixed to the lower end of the connecting rod 8, so that The mounting plate 9 is provided with a plurality of sockets 10, a support rod 11 is installed at one end of the inner wall of the socket 10, a first clamping plate 12 is installed at the other end of the support rod 11, and a pull rod 13 is movably provided on the mounting plate 9, a second clamping plate 14 is installed at one end of the pull rod 13, a telescopic spring 15 is provided on the outer side of the pull rod 13, one end of the telescopic spring 15 is connected to the inner wall of the socket 10, the other end of the telescopic spring 15 is connected to the back side of the second clamping plate 14, and a handle 16 is installed at the other end of the pull rod 13.

In a preferred embodiment, the first clamping plate 12 and the second clamping plate 14 are both arc-shaped structures, which are convenient for clamping test tubes of different sizes.

In a preferred embodiment, a counterweight plate 17 is installed at the lower end of the base 1 to facilitate the stability of the reagent heating rack and prevent it from shaking.

In a preferred embodiment, a water bath positioning groove 18 is provided on the upper end surface of the base 1 to facilitate the placement of the water bath.

In summary, the utility model provides a laboratory reagent heating rack. When in use, the water bath is placed in the water bath positioning groove 18 on the base 1, and the pull rod 13 is pulled by the handle 16 to make the pull rod 13 move in the mounting plate 9. The second clamping plate 14 will move to the side away from the first clamping plate 12 under the action of the pulling force of the pull rod 13. At this time, the telescopic spring 15 is in a contracted state, and then the test tube containing the reagent is placed between the first clamping plate 12 and the second clamping plate 14 in the insertion hole 10. Then, the handle 16 is released, and the pull rod 13 will be reset under the rebound action of the telescopic spring 15, and drive the second clamping plate 14 to reset and clamp the test tube. , which is convenient for fixing and clamping test tubes of different sizes, and the test tubes will not float out of the holes in the test tube rack due to the buoyancy of water. The fixing effect is good and the operation is convenient. After the test tubes are fixed, the threaded rod 4 is driven to rotate by rotating the rotating motor 3. The lifting seat 5 is threadedly installed on the threaded rod 4. One end of the lifting seat 5 is slidably connected to the inner wall of the support frame 2 through the slider 6. The threaded rod 4 rotates to drive the lifting seat 5 to move downward. The lifting seat 5 moves downward to drive the cross bar 7, the connecting rod 8, and the mounting plate 9 to move downward, thereby driving the test tubes filled with reagents to move downward, so that the test tubes can enter the water bath for heating. The operation is simple and efficient, which is convenient for experimental work.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The utility model provides a reagent heating rack for laboratory, includes base (1), its characterized in that: the utility model discloses a lifting device, including base (1), supporting frame (2) are fixed with on one side of the upper end of base (1), rotating electrical machines (3) are installed to the upper end of supporting frame (2), the output of rotating electrical machines (3) is connected with threaded rod (4), threaded rod (4) go up and down to install elevating seat (5), the inner wall sliding connection of slider (6) and supporting frame (2) are passed through to one end of elevating seat (5), just horizontal pole (7) are installed to the other end of elevating seat (5), connecting rod (8) are installed to the lower extreme of horizontal pole (7), the lower extreme of connecting rod (8) is fixed with mounting panel (9), a plurality of jacks (10) have been seted up on mounting panel (9), bracing piece (11) are installed to inner wall one end of jack (10), first splint (12) are installed to the other end of bracing piece (11), and the activity is equipped with pull rod (13) on mounting panel (9), second splint (14) are installed to one end of pull rod (13), the outside of pull rod (13) is equipped with expansion spring (15), the jack of expansion spring (15) is connected with the second splint of the inner wall (14) of expansion spring (10), and a handle (16) is arranged at the other end of the pull rod (13).

2. A laboratory reagent heating rack according to claim 1, wherein: the first clamping plate (12) and the second clamping plate (14) are arc-shaped structures.

3. A laboratory reagent heating rack according to claim 1, wherein: the lower end of the base (1) is provided with a weight plate (17).

4. A laboratory reagent heating rack according to claim 1, wherein: the upper end face of the base (1) is provided with a water bath positioning groove (18).