Heating device for thermal test

Abstract

The utility model relates to the technical field of thermal tests, in particular to a heating device for thermal tests, which comprises a base, a threaded rod is fixedly mounted on the upper surface of the base, a threaded sleeve is assembled on the outer surface of the threaded rod in a threaded connection manner, four sleeves are mounted on the outer surface of the threaded sleeve, and supporting rods are fixedly mounted on the side surfaces of the sleeves. And an inclined supporting ring, a supporting ring, a placing cylinder and a heating base plate are sequentially and fixedly mounted at one end of each supporting rod from top to bottom. According to the heating device for the thermal test, an alcohol lamp is placed in an alcohol fixing box, the alcohol lamp is fixed in the alcohol fixing box through a fixing bolt, then a rotary knob is rotated to drive a threaded sleeve to rotate on a threaded rod, the height of the sleeve is adjusted so as to adjust the height of a placing assembly, and then the sleeve is rotated according to the shape of a container to be heated so as to heat the container. The appropriate placing assembly is moved to the position above the alcohol lamp, then a container to be heated is placed above the placing assembly, the alcohol lamp is ignited, and then a heating experiment can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal experiments, in particular to a heating device for thermal experiments. Background Technique

[0002] Thermology is a branch of physics that studies the properties and laws of substances in a thermal state. It originated from human exploration of hot and cold phenomena. Humans live in a natural world with seasonal alternations and climate changes, and hot and cold phenomena are among the earliest natural phenomena they observed and understood. The heating device for thermal experiments often uses a bracket to place the test piece to be heated on an alcohol lamp for heating.

[0003] Patent Application No.: 201921502548.0 proposes a heating device for thermal experiments. Through the settings of the base, fixed plate and side plate, when in use, the space between the fixed plate on the base, the side plate and the alcohol lamp is mutually clamped, so as to fix the alcohol lamp, preventing the alcohol lamp from toppling over and igniting other experimental instruments to cause a fire after being collided by personnel, and thus achieving the effect of preventing fire.

[0004] This device still has some deficiencies when in use. For example, the bracket of this device can only place heating containers with specific shapes and sizes, and it is also inconvenient to adjust the position of the alcohol lamp, making it difficult to meet the various experimental use requirements of users. Content of the Utility Model

[0005] The purpose of the utility model is to provide a heating device for thermal experiments to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A heating device for thermal experiments includes a base. A threaded rod is fixedly installed on the upper surface of the base. A threaded sleeve is screwed and assembled on the outer surface of the threaded rod. Four sleeves are installed on the outer surface of the threaded sleeve. Support rods are fixedly installed on the sides of the sleeves. One ends of multiple support rods are fixedly installed with an inclined support ring, a support ring, a placement cylinder and a heating pad from top to bottom in sequence. An alcohol fixing box is arranged on the upper surface of the base, and an alcohol lamp is arranged inside the alcohol fixing box.

[0008] Preferably, a limit plate is fixedly installed at the top end of the threaded rod, and a knob is fixedly installed on the outer surface of the upper end of the threaded sleeve.

[0009] Preferably, a heat conduction net is fixedly installed on the bottom surface of the placement cylinder, and bolts are installed on both sides of the placement cylinder, and one ends of the bolts extend into the interior of the placement cylinder.

[0010] Preferably, a chute is opened on the upper surface of the base, a sliding rod is arranged inside the chute, and a connecting slider is fixedly installed on the bottom surface of the alcohol fixing box, and the connecting slider is slidably connected with the sliding rod.

[0011] Preferably, fixing bolts are installed on both sides of the alcohol fixing box, and one end of each fixing bolt extends into the interior of the alcohol fixing box and abuts against the alcohol lamp.

[0012] Preferably, the inclined support ring has an inclination angle of 45 degrees, and a test tube is arranged inside the inclined support ring.

[0013] Preferably, limiting sliding grooves are formed between the inner walls of the upper and lower ends of the sleeve and the outer surface of the threaded sleeve, a limiting ring is slidably installed inside the limiting sliding grooves, and a damping ring is fixedly installed on the inner wall of the middle of the sleeve, and the damping ring is sleeved on the outer surface of the threaded sleeve.

[0014] Compared with the prior art, the present utility model provides a heating device for thermal experiments, which has the following beneficial effects:

[0015] 1. For this heating device for thermal experiments, the alcohol lamp is placed in the alcohol fixing box, and the alcohol lamp is fixed in the alcohol fixing box through the fixing bolts. Then, by rotating the knob, the threaded sleeve is driven to rotate on the threaded rod to adjust the height of the sleeve, so as to adjust the height of the placing assembly. Then, according to the shape of the container to be heated, the sleeve is rotated to move the appropriate placing assembly above the alcohol lamp, and then the container to be heated is placed above the placing assembly, and the alcohol lamp is lit, and then the heating experiment can be carried out.

[0016] 2. This heating device for thermal experiments is convenient for placing heating containers of various sizes and models, improves the adaptability of the heating device, and at the same time is convenient for fixing the alcohol lamp to prevent the alcohol lamp from tipping over. It can also adjust the height of the placing assembly and the position of the alcohol lamp according to needs, which is convenient to meet various use requirements of experimenters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic sectional structural diagram of the sleeve of the present utility model;

[0019] > Figure 3 is a schematic structural diagram of Embodiment 1 of the present utility model;

[0020] Figure 4 is a schematic structural diagram of Embodiment 2 of the present utility model.

[0021] In the figure: 1. Base; 2. Threaded rod; 3. Threaded sleeve; 4. Sleeve; 5. Inclined support ring; 6. Support ring; 7. Placement tube; 8. Heating pad; 9. Support rod; 10. Bolt; 11. Alcohol fixing box; 12. Alcohol lamp; 13. Beaker; 14. Slide; 15. Test tube; 16. Limit slide; 17. Limit ring; 18. Damping ring; 19. Knob. DETAILED DESCRIPTION

[0022] See also Figures 1-4 A heating device for thermal experiments includes a base 1, a threaded rod 2 is fixedly installed on the upper surface of the base 1, and a threaded sleeve 3 is screwed on the outer surface of the threaded rod 2. Four sleeves 4 are installed on the outer surface of the threaded sleeve 3, and support rods 9 are fixedly installed on the sides of the sleeves 4. An inclined support ring 5, a support ring 6, a placement tube 7 and a heating pad 8 are fixedly installed on one end of the multiple support rods 9 in sequence from top to bottom. The inclined support ring 5, the support ring 6, the placement tube 7 and the heating pad 8 are all placement components for placing containers to be heated of different models and sizes. The inclined support ring 5 and the support ring 6 can place test tubes, the placement tube 7 is used to place beakers, and a large beaker 13 can be placed on the heating pad 8. An alcohol fixing box 11 is provided on the upper surface of the base 1, and an alcohol lamp 12 is provided inside the alcohol fixing box 11 for heating.

[0023] Furthermore, a limit plate is fixedly installed on the top of the threaded rod 2 to prevent the threaded sleeve 3 from moving out of the threaded rod 2 and falling off. A knob 19 is fixedly installed on the outer surface of the upper end of the threaded sleeve 3 to facilitate the sleeve to rotate the knob 19 and drive the threaded sleeve 3 to rotate on the threaded rod 2.

[0024] Among them, a heat-conducting net is fixedly installed on the bottom surface of the placement cylinder 7, which is convenient for transferring the heat generated by the alcohol lamp below to the beaker inside. Bolts 10 are installed on both sides of the placement cylinder 7, and one end of the bolt 10 extends to the interior of the placement cylinder 7 to facilitate fixing the beaker.

[0025] Furthermore, a slide groove 14 is provided on the upper surface of the base 1, and a slide rod is provided inside the slide groove 14. A connecting slider is fixedly installed on the bottom surface of the alcohol fixing box 11. The connecting slider is slidably connected to the slide rod, pushing the alcohol fixing box 11 to slide on the slide rod through the connecting slider, thereby facilitating the adjustment of the position of the alcohol lamp 12.

[0026] Among them, fixing bolts are installed on both sides of the alcohol fixing box 11, and one end of the fixing bolts extends into the interior of the alcohol fixing box 11 and abuts against the alcohol lamp 12, so as to facilitate fixing the alcohol lamp 12.

[0027] The inclined support ring 5 has an inclination angle of forty-five degrees, and a test tube 15 is provided inside the inclined support ring 5. Through the inclined support ring 5, the test tube can be placed at an angle for heating, which is convenient for meeting the use needs of the experimenter.

[0028] Among them, a limiting chute 16 is provided between the inner walls of the upper and lower ends of the sleeve 4 and the outer surface of the threaded sleeve 3. A limiting ring 17 is slidably installed inside the limiting chute 16, which is used to assist the sleeve 4 to slide up and down on the threaded sleeve 3, affecting the use of the device. A damping ring 18 is fixedly installed on the inner wall of the middle part of the sleeve 4. The damping ring 18 is sleeved on the outer surface of the threaded sleeve 3. There is a certain resistance between the damping ring 18 and the outer surface of the threaded sleeve 3, which is used to prevent the sleeve 4 from sliding randomly on the threaded sleeve 3 and affecting the operation of the device.

[0029] Example 1, refer to Figure 3 , when it is necessary to heat the substance inside the large beaker 13, first place the alcohol lamp 12 in the alcohol fixing box 11, fix the alcohol lamp 12 in the alcohol fixing box 11 through the fixing bolt, and then drive the threaded sleeve 3 to rotate on the threaded rod 3 by rotating the knob 19 to adjust the height of the sleeve 4, which is used to adjust the height of the heating pad 8. Then rotate the lowermost sleeve 4 to move the heating pad 8 above the alcohol lamp. Then place the large beaker 13 above the heating pad 8 and light the alcohol lamp 12 to conduct the heating experiment.

[0030] Example 2, refer to Figure 4 , when it is necessary to heat the substance inside the test tube 15 obliquely, first place the alcohol lamp 12 in the alcohol fixing box 11, fix the alcohol lamp 12 in the alcohol fixing box 11 through the fixing bolt, and then drive the threaded sleeve 3 to rotate on the threaded rod 3 by rotating the knob 19 to adjust the height of the sleeve 4, which is used to adjust the height of the inclined support ring 5. Then rotate the uppermost sleeve 4 to move the inclined support ring 5 above the alcohol lamp. Then insert the test tube 15 into the inclined support ring 5, and then push the alcohol fixing box 11 to move it to the bottom end of the test tube 15 and light the alcohol lamp 12 to conduct the heating experiment.

[0031] Working principle: For this heating device used in thermal experiments, first place the alcohol lamp 12 in the alcohol fixing box 11, fix the alcohol lamp 12 in the alcohol fixing box 11 through the fixing bolt, and then drive the threaded sleeve 3 to rotate on the threaded rod 3 by rotating the knob 19 to adjust the height of the sleeve 4, which is used to adjust the height of the placing component. Then, according to the shape of the container to be heated, rotate the sleeve 4 to move the appropriate placing component above the alcohol lamp. Then place the container to be heated above the placing component and light the alcohol lamp 12 to conduct the heating experiment.

Claims

1. A heating device for thermal experiments, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly installed with a threaded rod (2). The outer surface of the threaded rod (2) is screwed with a threaded sleeve (3). Four sleeves (4) are installed on the outer surface of the threaded sleeve (3). Support rods (9) are fixedly installed on the sides of the sleeves (4). One ends of the multiple support rods (9) are fixedly installed with an inclined support ring (5), a support ring (6), a placement cylinder (7), and a heating backing plate (8) in sequence from top to bottom. An alcohol fixing box (11) is arranged on the upper surface of the base (1), and an alcohol lamp (12) is arranged inside the alcohol fixing box (11).

2. The heating device for thermal experiments according to claim 1, characterized in that: A limit plate is fixedly installed at the top end of the threaded rod (2), and a knob (19) is fixedly installed on the outer surface of the upper end of the threaded sleeve (3).

3. The heating device for thermal experiments according to claim 1, characterized in that: A heat conduction net is fixedly installed on the bottom surface of the placement cylinder (7). Bolts (10) are installed on both sides of the placement cylinder (7), and one ends of the bolts (10) extend into the interior of the placement cylinder (7).

4. A heating device for thermal experiments according to claim 1, characterized in that: A chute (14) is opened on the upper surface of the base (1). A sliding rod is arranged inside the chute (14). A connecting slider is fixedly installed on the bottom surface of the alcohol fixing box (11), and the connecting slider is slidably connected to the sliding rod.

5. A heating device for thermal experiments according to claim 1, characterized in that: Fixing bolts are installed on both sides of the alcohol fixing box (11), and one ends of the fixing bolts extend into the interior of the alcohol fixing box (11) and abut against the alcohol lamp (12).

6. The heating device for thermal experiments according to claim 1, wherein: The inclination angle of the inclined support ring (5) is 45 degrees, and a test tube (15) is arranged inside the inclined support ring (5).

7. A heating device for thermal experiments according to claim 1, characterized in that: A limit chute (16) is opened between the inner walls of the upper and lower ends of the sleeve (4) and the outer surface of the threaded sleeve (3). A limit ring (17) is slidably installed inside the limit chute (16). A damping ring (18) is fixedly installed on the inner wall of the middle of the sleeve (4), and the damping ring (18) is sleeved on the outer surface of the threaded sleeve (3).

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