Water heating device for constant-temperature circulator

Abstract

The utility model discloses a water heating device for a constant-temperature circulator, which comprises a square groove filled with water, four impeller shafts which are respectively parallel to the groove wall are distributed on the inner circumference of the square groove, cross-flow impellers are connected on the impeller shafts in series, bevel gears are respectively arranged at two ends of the impeller shafts, the bevel gears on two adjacent impeller shafts are meshed with each other, and the two ends of each impeller shaft are respectively provided with a water inlet and a water outlet. Wherein one impeller shaft is in transmission connection with a power assembly controlling rotation, a support is fixedly connected into the square groove, the impeller shafts are rotationally connected to the support, and a spiral electric heating pipe is wound around the cross-flow impeller. A blocking net which extends upwards and is in a closed ring shape is arranged at the groove bottom of the square groove. The water heating device has the characteristics of small occupied space and convenience in immersion of a test sample, and is complete in overall function and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental equipment technical field more specifically, it relates to a water heating device for constant temperature circulator. BACKGROUND

[0002] The water tank of constant temperature circulator needs to be equipped with heating assembly for giving the water in the tank to heat and cooling assembly for cooling. The traditional heating assembly includes impeller, motor for controlling the rotation of the impeller, and spiral electric heating tube coiled outside the impeller. The heating assembly is usually arranged in the center of the water tank or offset to one side of the center, occupying a large space of the water tank, affecting the immersion of the test sample, and the overall effect is not good. Accordingly, the utility model provides a water heating device for constant temperature circulator. SUMMARY

[0003] The utility model discloses a kind of water heating devices for constant temperature circulator, which has the characteristics of small space occupation and convenient test sample immersion.

[0004] To solve the above technical problems, the utility model aims to achieve as follows: a kind of water heating device for constant temperature circulator, which includes a square tank containing water in the tank, four impeller shafts are arranged around the square tank, each impeller shaft is parallel to the tank wall, a cross-flow impeller is connected to the impeller shaft, a bevel gear is arranged at both ends of the impeller shaft, the bevel gears on adjacent impeller shafts are meshed with each other, a power assembly for controlling rotation is connected to one of the impeller shafts, a bracket is fixedly connected in the square tank, the impeller shaft is rotatably connected to the bracket, and a spiral electric heating tube is coiled outside the cross-flow impeller.

[0005] The utility model further provides that: the bottom of the square tank is provided with a blocking net extending upward and in the form of a closed ring.

[0006] The utility model further provides that: the power assembly includes a motor connected to one end of the impeller shaft, the motor is arranged outside the square tank, and the motor is fixedly connected to the square tank.

[0007] The utility model further provides that: the bracket is fixedly connected to the bottom wall of the square tank.

[0008] The utility model further provides that: the spiral electric heating tube is fixedly connected to the side wall of the square tank.

[0009] In summary, the utility model has the following advantages: the water heating device for constant temperature circulator has the advantages of increasing the space utilization rate of the tank, making it easy for test samples to be immersed, and improving the overall functionality and practicality. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is the overall structure schematic view of the utility model;

[0011] Fig. 2 is the partial structure schematic view of the utility model;

[0012] Fig. 3 is the local structure schematic view of the utility model. DETAILED DESCRIPTION

[0013] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and not for the limitation of the utility model patent claim. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the art without creative labor belong to the scope of protection of the utility model.

[0014] The utility model is further illustrated below in combination with the drawings and preferred embodiments.

[0015] Embodiment 1

[0016] Referring to Figs. 1-3 As shown in the figure, the water heating device for constant temperature circulator of the embodiment includes square tank 1 with water, four impeller shafts 2 parallel to the tank wall are arranged in the inner periphery of square tank 1, cross-flow impeller 3 is connected in series on impeller shaft 2, bevel gear 4 is arranged at both ends of impeller shaft 2 respectively, the bevel gears 4 on the adjacent two impeller shafts 2 are engaged with each other, one of the impeller shafts 2 is drivingly connected with the power assembly for rotating, the power assembly includes motor 5 connected in transmission at one end of impeller shaft 2, motor 5 is arranged outside square tank 1, motor 5 is fixedly connected on square tank 1, support 6 is fixedly connected in square tank 1, impeller shaft 2 is rotatably connected on support 6, cross-flow impeller 3 is coiled with spiral electric heating tube 7 outside.

[0017] Further, support 6 is fixedly connected on the tank bottom wall of square tank 1.

[0018] Further, spiral electric heating tube 7 is fixedly connected on the tank side wall of square tank 1.

[0019] In the embodiment, by operating motor 5, the connected impeller shaft 2 and the cross-flow impeller 3 thereon are driven to rotate, and the engaged bevel gears 4 are driven. All impeller shafts 2 and the cross-flow impellers 3 thereon rotate, at the same time, spiral electric heating tube 7 is powered to heat, under the disturbance of the impeller, the water heated near spiral electric heating tube 7 flows to the central position of the tank, so that the water temperature in the tank is balanced.

[0020] Embodiment 2

[0021] Referring to Figs. 1-3 As shown in the drawings, the water heating device for constant temperature circulator of the embodiment is further provided with a blocking net 8 extending upward and in a closed ring shape at the bottom of the square tank 1 based on the embodiment 1.

[0022] In the present embodiment, the blocking net 8 is provided to block the test sample immersed in the square tank 1 from contacting the cross-flow impeller 3 and the spiral electric heating tube 7 in the tank, thereby improving the safety of the equipment in use.

[0023] The water heating device for constant temperature circulator of the utility model, the water heating device is arranged with heat source around in the tank close to wall surface position, makes central area expose, not only can increase tank space utilization, still makes test sample immersion convenient, overall function is perfect, practicality is strong.

[0024] In the utility model, if there are terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are indicated the orientation or positional relationship based on the actual shown orientation or positional relationship, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the orientation or positional relationship in the utility model are only used for example, and can not be understood as the limitation of the patent, for the ordinary skilled person in the art, can be combined with the embodiment, and the specific meaning of the above-mentioned terms is understood according to the specific situation.

[0025] Unless otherwise explicitly specified and limited, in the utility model, if there are terms "set", "connected" and "connected", they should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For the ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0026] The above detailed the preferred embodiment of the utility model. It should be understood that the ordinary skilled person in the art can make many modifications and changes according to the concept of the utility model without creative labor. Therefore, any technical scheme that the skilled person in the art can obtain based on the prior art through logical analysis, reasoning or limited experiment according to the concept of the utility model should be within the protection scope determined by the claims.

Claims

1. A water heating device for a constant temperature circulator, comprising a square tank filled with water, characterized in that: The square groove has four impeller shafts arranged parallel to the groove wall. A cross-flow impeller is connected in series on the impeller shaft. A bevel gear is provided at both ends of the impeller shaft. The bevel gears on adjacent impeller shafts mesh with each other. A power assembly for controlling the rotation is connected to one of the impeller shafts. A bracket is fixedly connected inside the square groove. The impeller shaft is rotatably connected to the bracket. A spiral electric heating tube is wound around the outside of the cross-flow impeller.

2. The water heating device for the constant temperature circulator according to claim 1, characterized in that: The bottom of the square groove is provided with a barrier net that extends upward and forms a closed ring.

3. The water heating device for a constant temperature circulator according to claim 1 or 2, characterized in that: The powertrain includes a motor that is driven to one end of the impeller shaft, the motor is located outside the square groove, and the motor is fixedly connected to the square groove.

4. The water heating device for the constant temperature circulator according to claim 3, characterized in that: The bracket is fixedly connected to the bottom wall of the square groove.

5. The water heating device for the constant temperature circulator according to claim 4, characterized in that: The spiral heating tube is fixedly connected to the side wall of the square groove.

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