Apparatus for determining the ideal gas constant produced by aluminum sheet and hcl solution
By combining the guiding mechanism and the elastic clamping mechanism, the problem of liquid level observation deviation in the existing technology is solved, and the liquid level of the horizontal tube and the gas measuring tube is accurately aligned, thus improving the accuracy and safety of the experiment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NORTHWESTERN POLYTECHNICAL UNIV
- Filing Date
- 2025-06-16
- Publication Date
- 2026-07-14
AI Technical Summary
The lack of a mechanism in the existing technology to clearly indicate the liquid level in the gas measuring tube leads to significant deviations when observed by the naked eye, affecting the accuracy of the experiment.
A device comprising a guiding mechanism, a vertical moving mechanism, an elastic clamping mechanism, and an indicating mechanism is designed. The guiding mechanism restricts the movement direction of the vertical moving mechanism, and the elastic clamping mechanism adjusts the position of the indicating mechanism to achieve precise alignment between the liquid level in the horizontal tube and the liquid level in the gas measuring tube.
This achieves precise alignment between the liquid level in the horizontal tube and the liquid level in the gas measuring tube, avoiding gas leakage caused by excessive gas pressure and improving the accuracy and safety of the experiment.
Smart Images

Figure CN224500556U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to experimental apparatus technical field more particularly to the device for determining aluminum piece and HCL solution produce ideal gas constant. BACKGROUND
[0002] Ideal gas is the self volume of gas molecule and the interaction force between molecules are ignored, and the ideal gas state equation is pV=nRT. For real gas, only in low pressure, high temperature, the interaction force between molecules is small, the average distance between molecules is large, and the volume of molecules is negligible compared with the volume of gas, which can be approximately regarded as ideal gas. Usually, experimental device is used to determine the ideal gas constant generated by aluminum sheet and HCL solution.
[0003] The patent with publication number CN218726346U discloses a device for determining ideal gas constant, opening the valve to make hydrochloric acid contact with aluminum sheet. In order to prevent the hydrogen generated by the reaction from causing gas leakage due to excessive gas pressure in the gas measuring tube, the horizontal tube should be moved downward with the decrease of the liquid level in the gas measuring tube, and the horizontal tube and the water surface in the gas measuring tube should be kept basically level.
[0004] However, when adjusting the height of the horizontal tube, the experimental personnel usually observe the liquid level in the horizontal tube and the liquid level in the gas measuring tube by naked eye, and then manually align the liquid levels in the horizontal tube and the gas measuring tube. In this process, due to the lack of a mechanism that can clearly indicate the liquid level in the gas measuring tube, it is easy to cause large deviation when observed by naked eye. UTILITY MODEL CONTENT
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a device for determining the ideal gas constant generated by aluminum sheet and HCL solution, to solve the problem that there is a large deviation when observed by naked eye due to the lack of a mechanism that can clearly indicate the liquid level in the gas measuring tube in the above-mentioned background technology.
[0006] The utility model provides the following technical scheme: a device for determining the ideal gas constant generated by aluminum sheet and HCL solution, comprising a first support seat, a reaction test tube is clamped above the first support seat through rubber clamping plate, a first rubber tube is installed at one end of the reaction test tube through rubber plug, a gas measuring tube is installed at one end of the first rubber tube through rubber plug, a second rubber tube is installed at the bottom end of the gas measuring tube, a horizontal tube is fixedly connected at one end of the second rubber tube, a funnel is installed at the top end of the horizontal tube through rubber plug, a second support seat is placed at the right side of the first support seat, the second support seat is connected with the gas measuring tube through rubber clamping plate at the top end, an installation rod is fixedly connected with the outside of the gas measuring tube close to the top end of the second support seat, and an extension plate is fixedly connected at the top of the installation rod.
[0007] The utility model also includes guiding mechanism, vertical moving mechanism, elastic clamping mechanism and indicating mechanism, guiding mechanism sets up in the inside of installation rod, vertical moving mechanism sets up in the inside of guiding mechanism, and vertical moving mechanism both sides go through guiding mechanism outside, and with installation rod outer wall is the slide setting, vertical moving mechanism with horizontal pipe and funnel outside fixed connection, elastic clamping mechanism is detachable and moves and sets up in the front side of extension board, and elastic clamping mechanism one end goes through the front side and rear side of extension board, indicating mechanism sets up in the front side of gasometer pipe and horizontal pipe, and indicating mechanism with elastic clamping mechanism one end is fixed setting.
[0008] Further, the guiding mechanism includes a mounting hole and a moving slot, the mounting hole is opened at the top end of the installation rod, and the installation rod outer wall is provided with two moving slots in communication with the mounting hole, and the two moving slots are arranged in an annular array.
[0009] Further, the vertical moving mechanism includes a screw rod, a threaded cylinder, a sliding block and a connecting rod, the screw rod bottom end is installed in the inside bottom end of the guiding mechanism through a bearing seat, the screw rod outer wall is connected with two threaded cylinders, the threaded cylinder outside is fixedly connected with the sliding block close to the installation rod outer wall, and two sliding blocks are fixedly connected with two connecting rods.
[0010] Further, it also includes a first placing rod, a placing ring and a second placing rod, one end of the first placing rod is fixedly connected to one side of one sliding block, the other end of the first placing rod is fixedly connected with the placing ring, the funnel is located in the inside of the placing ring, one side of the other sliding block is fixedly connected with the second placing rod, one end of the second placing rod is fixedly connected with one side of the rubber clamp plate, and the rubber clamp plate inside is clamped with the horizontal pipe outer wall.
[0011] Further, the elastic clamping mechanism includes a limiting plate, a fixed rod, a mounting plate, a baffle, a clamping plate, a tension spring and an extension rod, one side of the extension plate is provided with a sliding groove, one side of the limiting plate is arranged on one side of the extension plate, the fixed rod penetrating through the inside of the sliding groove is fixedly connected to one side of the limiting plate, one end of the fixed rod is fixedly connected with the mounting plate, the baffle is slidably connected to one side of the sliding groove close to the outer wall of the fixed rod, one side of the baffle is fixedly connected with the clamping plate close to the inside of the sliding groove, the tension spring is sleeved on the outer side of the fixed rod, one end of the tension spring is fixedly connected with one side of the baffle, and the other end is fixedly connected with one side of the mounting plate, and the other side of the mounting plate is fixedly connected with the extension rod.
[0012] Further, the indicating mechanism includes a connecting plate and an indicating strip, one side of the connecting plate is fixedly connected to one end of the extension rod, and the indicating strips are fixedly connected to both ends of the connecting plate.
[0013] The utility model discloses a technical effect and advantage:
[0014] 1.The utility model discloses a pull baffle, cooperate with tension spring, can make baffle drive the separation of the clamping plate and the sliding slot, and then baffle and limiting plate can move up and down on the outside of sliding slot, and according to the liquid level in the gas measuring tube, the position of the indicating strip can be adjusted, so that the indicating strip accurately points to the liquid level in the gas measuring tube, and then through connecting rod, it is convenient to connect two sliding blocks, so that when the screw rod rotates, the sliding block can slide up and down on the outer wall of the mounting rod through the thread cylinder, so that the liquid level in the horizontal pipe can be conveniently adjusted, and the liquid level in the horizontal pipe is aligned with the indicating strip, so that the horizontal pipe and the water surface in the gas measuring tube are always kept flat, so that the gas generated by the reaction does not make the gas pressure in the gas measuring tube too large and cause gas leakage. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the indicating strip schematic diagram of the utility model;
[0017] Figure 3 It is the mounting rod schematic diagram of the utility model;
[0018] Figure 4 It is the sliding block schematic diagram of the utility model.
[0019] The figure mark is: 1, first support seat; 2, reaction test tube; 3, first rubber pipe; 4, gas measuring tube; 5, second rubber pipe; 6, horizontal pipe; 7, hopper; 8, second support seat; 9, mounting rod; 10, mounting hole; 11, moving groove; 12, screw rod; 13, thread cylinder; 14, sliding block; 15, connecting rod; 16, first placing rod; 17, placing ring; 18, second placing rod; 19, extension plate; 20, sliding slot; 21, limiting plate; 22, fixed rod; 23, mounting plate; 24, baffle; 25, clamping plate; 26, tension spring; 27, extension rod; 28, connecting plate; 29, indicating strip. DETAILED DESCRIPTION
[0020] The utility model will be further explained in conjunction with specific embodiment, however, people skilled in the art should understand, in here, the detailed description given in conjunction with the drawings is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent alternative or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.
[0021] ATTACHMENT Figures 1-4 It is the best embodiment of the utility model, and the utility model will be further explained in conjunction with the following drawings. Figures 1-4 The utility model will be further explained in conjunction with specific embodiment, however, people skilled in the art should understand, in here, the detailed description given in conjunction with the drawings is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent alternative or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.
[0022] Refer to the following drawings Figures 1-4The utility model relates to a device for measuring the ideal gas constant generated by aluminum sheet and HCL solution, which comprises a first support base 1, a reaction test tube 2 clamped by rubber clamps above the first support base 1, a first rubber pipe 3 installed at one end of the reaction test tube 2 through a rubber plug, a gas measuring tube 4 installed at one end of the first rubber pipe 3 through a rubber plug, a second rubber pipe 5 installed at the bottom end of the gas measuring tube 4, a horizontal pipe 6 fixedly connected at one end of the second rubber pipe 5, a funnel 7 installed at the top end of the horizontal pipe 6 through a rubber plug, a second support base 8 placed at the right side of the first support base 1, the second support base 8 connected with the gas measuring tube 4 through rubber clamps at the top end, an installation rod 9 fixedly connected with the top of the second support base 8 and close to the outer side of the gas measuring tube 4, and an extension plate 19 fixedly connected with the top of the installation rod 9.
[0023] The utility model further comprises a guide mechanism, a vertical moving mechanism, an elastic clamping mechanism and an indicating mechanism. The guide mechanism is arranged inside the installation rod 9, the vertical moving mechanism is arranged inside the guide mechanism, and the vertical moving mechanism is arranged on both sides of the guide mechanism and penetrates through the outer side of the guide mechanism and is arranged in sliding connection with the outer wall of the installation rod 9. The vertical moving mechanism is fixedly connected with the outer side of the horizontal pipe 6 and the funnel 7. The elastic clamping mechanism is arranged in separable moving connection with the front side of the extension plate 19, and one end of the elastic clamping mechanism penetrates through the front side and the rear side of the extension plate 19. The indicating mechanism is arranged in front of the gas measuring tube 4 and the horizontal pipe 6, and one end of the indicating mechanism is arranged in fixed connection with the elastic clamping mechanism. By pulling the elastic clamping mechanism in front of the gas measuring tube 4, the outer wall of the elastic clamping mechanism is separated from one side of the extension plate 19, so that the elastic clamping mechanism can be moved radially on the extension plate 19. Thus, the elastic clamping mechanism drives the indicating mechanism to accurately point to the liquid level in the gas measuring tube 4. Through the guide mechanism, the vertical moving mechanism can be moved radially on the installation rod 9, so that the vertical moving mechanism can drive the horizontal pipe 6 and the funnel 7 to move. Thus, the liquid level in the horizontal pipe 6 is aligned with the indicating mechanism, so that the water surface in the horizontal pipe 6 and the gas measuring tube 4 is always kept level. In order to prevent the gas generated by the reaction from causing excessive gas pressure in the gas measuring tube 4 and causing gas leakage.
[0024] Specifically, the guide mechanism comprises a mounting hole 10 and a moving groove 11. The mounting hole 10 is arranged at the top end of the installation rod 9, and two moving grooves 11 are arranged in the outer wall of the installation rod 9 and are in communication with the mounting hole 10. The two moving grooves 11 are arranged in annular array and are symmetrically arranged. Due to the action of the moving grooves 11, the vertical moving mechanism can be conveniently limited and guided, so that the vertical moving mechanism can only move radially along the installation rod 9.
[0025] Specifically, the vertical moving mechanism comprises a screw rod 12, threaded barrels 13, sliding blocks 14 and connecting rods 15, the bottom end of the screw rod 12 is installed in the bottom end of the guide mechanism through a bearing seat, the outer wall of the screw rod 12 is connected with two threaded barrels 13, the outer side of each threaded barrel 13 is fixedly connected with a sliding block 14 near the outer wall of the mounting rod 9, and two connecting rods 15 are fixedly connected between the two sliding blocks 14; the bottom end of the screw rod 12 is installed in the bottom end of the mounting hole 10 through a bearing seat, when the screw rod 12 rotates, the two sides of the threaded barrel 13 can move up and down in the moving groove 11, so that the threaded barrel 13 drives the sliding block 14 to slide up and down on the outer wall of the mounting rod 9, so that the liquid level in the horizontal pipe 6 can be conveniently adjusted.
[0026] Specifically, it further comprises a first placing rod 16, a placing ring 17 and a second placing rod 18, one end of the first placing rod 16 is fixedly connected to one side of one sliding block 14, the other end of the first placing rod 16 is fixedly connected with the placing ring 17, the funnel 7 is located in the placing ring 17, the other sliding block 14 is fixedly connected with the second placing rod 18 on one side, and one end of the second placing rod 18 is fixedly connected with one side of the rubber clamp plate, and the inner rubber clamp plate is clamped with the outer wall of the horizontal pipe 6; by connecting the first placing rod 16 with one sliding block 14 and fixing the second placing rod 18 with the other sliding block 14, when the two sliding blocks 14 move, the first placing rod 16 and the second placing rod 18 can be driven to move together.
[0027] Specifically, the elastic clamping mechanism comprises a limiting plate 21, a fixed rod 22, a mounting plate 23, a baffle 24, a clamping plate 25, a tension spring 26 and an extension rod 27, the extension plate 19 is provided with a sliding groove 20 on one side, the limiting plate 21 is arranged on one side of the extension plate 19, the fixed rod 22 penetrating through the sliding groove 20 is fixedly connected to one side of the limiting plate 21, the mounting plate 23 is fixedly connected to one end of the fixed rod 22, the baffle 24 is slidably connected to the outer wall of the fixed rod 22 near one side of the sliding groove 20, the clamping plate 25 is fixedly connected to one side of the baffle 24 near the inner side of the sliding groove 20, the tension spring 26 is sleeved on the outer side of the fixed rod 22, one end of the tension spring 26 is fixedly connected to one side of the baffle 24, and the other end is fixedly connected to one side of the mounting plate 23, and the extension rod 27 is fixedly connected to the other side of the mounting plate 23; the baffle 24 is pulled to the front side of the vector air pipe 4, so that the baffle 24 slides on the fixed rod 22, so that the baffle 24 drives the tension spring 26 to compress, so that the baffle 24 drives the clamping plate 25 to separate from the sliding groove 20, and then the baffle 24 and the limiting plate 21 are pulled upward, so that the baffle 24 and the limiting plate 21 move up and down on the outer side of the sliding groove 20, so that the connecting plate 28 can drive the indicating mechanism to move according to the liquid level in the vector air pipe 4.
[0028] Specifically, the indicating mechanism comprises a connecting plate 28 and an indicating strip 29, one side of the connecting plate 28 is fixedly connected to one end of the extension rod 27, and the indicating strip 29 is fixedly connected to both ends of the connecting plate 28; due to the action of the indicating strip 29, the liquid level in the vector air pipe 4 can be accurately marked.
[0029] The working principle and use process of the utility model: when using, pull the baffle 24 in front of the vector gas pipe 4, make the baffle 24 slide on the fixed rod 22, so that the baffle 24 drives the tension spring 26 to compress, make the baffle 24 drive the clamping plate 25 to separate from the sliding slot 20, then pull the baffle 24 and the limiting plate 21 upwards, make the baffle 24 and the limiting plate 21 move up and down on the outside of the sliding slot 20, so that the connecting plate 28 drives two indicating strips 29 to move, in this way, the position of the indicating strip 29 can be adjusted according to the liquid level in the vector gas pipe 4, after adjusting, loosen the baffle 24, under the reaction force of the tension spring 26, make the baffle 24 drive the clamping plate 25 to re-embed into the sliding slot 20, in this way, the position of the indicating strip 29 is re-clamped and fixed, make the indicating strip 29 accurately point to the liquid level in the vector gas pipe 4, then due to the action of the connecting rod 15, make two sliding blocks 14 connect, when the screw rod 12 rotates, the two sides of the threaded cylinder 13 can move up and down in the moving groove 11, so that the threaded cylinder 13 drives the sliding block 14 to slide up and down on the outer wall of the mounting rod 9, in this way, the liquid level in the horizontal pipe 6 can be conveniently adjusted, make the liquid level in the horizontal pipe 6 align with the indicating strip 29, in this way, the horizontal pipe 6 and the water surface in the vector gas pipe 4 are always kept flat, in order not to make the gas generated by the reaction make the gas pressure in the vector gas pipe 4 too large and cause gas leakage.
[0030] The above is only the preferred embodiment of the utility model, and is not limited to other forms of the utility model, and any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution of the utility model, according to the technical essence of the utility model, still belongs to the protection scope of the technical solution of the utility model.
Claims
1. An apparatus for determining the ideal gas constant of aluminum sheet reacting with HCl solution, comprising a first support (1), a reaction tube (2) held above the first support (1) by a rubber clamp, a first rubber tube (3) attached to one end of the reaction tube (2) by a rubber stopper, a gas measuring tube (4) attached to one end of the first rubber tube (3) by a rubber stopper, a second rubber tube (5) attached to the bottom end of the gas measuring tube (4), a horizontal tube (6) fixedly connected to one end of the second rubber tube (5), a funnel (7) attached to the top end of the horizontal tube (6) by a rubber stopper, a second support (8) placed to the right of the first support (1), the top end of the second support (8) connected to the gas measuring tube (4) by a rubber clamp, characterized in that: The top of the second support (8) is fixedly connected to the outside of the gas measuring tube (4) with an installation rod (9), and the top of the installation rod (9) is fixedly connected to an extension plate (19). It also includes a guide mechanism, a vertical moving mechanism, an elastic clamping mechanism and an indicating mechanism. The guide mechanism is located inside the mounting rod (9). The vertical moving mechanism is located inside the guide mechanism and its two sides pass through the outer side of the guide mechanism and are slidably connected to the outer wall of the mounting rod (9). The vertical moving mechanism is fixedly connected to the outer side of the horizontal tube (6) and the funnel (7). The elastic clamping mechanism is detachably movable on the front side of the extension plate (19) and one end of the elastic clamping mechanism passes through the front and rear sides of the extension plate (19). The indicating mechanism is located on the front side of the gas measuring tube (4) and the horizontal tube (6) and one end of the indicating mechanism is fixedly connected to the elastic clamping mechanism.
2. The apparatus for determining the ideal gas constant of aluminum sheet and HCl solution according to claim 1, characterized in that: The guiding mechanism includes a mounting hole (10) and a moving groove (11). The mounting hole (10) is opened at the top of the mounting rod (9). The outer wall of the mounting rod (9) is provided with two moving grooves (11) that communicate with the mounting hole (10). The two moving grooves (11) are arranged in a circular array symmetrically.
3. The apparatus for determining the ideal gas constant of aluminum sheet and HCl solution according to claim 1, characterized in that: The vertical moving mechanism includes a screw (12), a threaded cylinder (13), a slider (14), and a connecting rod (15). The bottom end of the screw (12) is installed inside the bottom end of the guide mechanism through a bearing seat. The outer wall of the screw (12) is connected to two threaded cylinders (13). The outer side of the threaded cylinder (13) is fixedly connected to the outer wall of the mounting rod (9). Two connecting rods (15) are fixedly connected between the two sliders (14).
4. The apparatus for determining the ideal gas constant of aluminum sheet and HCl solution according to claim 3, characterized in that: It also includes a first placement rod (16), a placement ring (17), and a second placement rod (18). One end of the first placement rod (16) is fixedly connected to one side of a slider (14), and the other end of the first placement rod (16) is fixedly connected to a placement ring (17). The funnel (7) is located inside the placement ring (17). The second placement rod (18) is fixedly connected to one side of another slider (14). One end of the second placement rod (18) is fixedly connected to one side of a rubber clamp. The inside of the rubber clamp is clamped to the outer wall of the horizontal tube (6).
5. The apparatus for determining the ideal gas constant of aluminum sheet and HCl solution according to claim 1, characterized in that: The elastic clamping mechanism includes a limiting plate (21), a fixing rod (22), a mounting plate (23), a baffle (24), a snap-fit plate (25), a tension spring (26), and an extension rod (27). A groove (20) is provided on one side of the extension plate (19). One side of the limiting plate (21) is located on one side of the extension plate (19). A fixing rod (22) passing through the groove (20) is fixedly connected to one side of the limiting plate (21). One end of the fixing rod (22) is fixedly connected to a mounting plate. Mounting plate (23), the outer wall of the fixing rod (22) is slidably connected to the side of the slide groove (20) with a baffle (24), the side of the baffle (24) is fixedly connected to the inside of the slide groove (20) with a snap-fit plate (25), the outer side of the fixing rod (22) is fitted with a tension spring (26), one end of the tension spring (26) is fixedly connected to one side of the baffle (24), and the other end is fixedly connected to one side of the mounting plate (23), the other side of the mounting plate (23) is fixedly connected to an extension rod (27).
6. The apparatus for determining the ideal gas constant of aluminum sheet and HCl solution according to claim 5, characterized in that: The indicating mechanism includes a connecting plate (28) and an indicating strip (29). One side of the connecting plate (28) is fixedly connected to one end of the extension rod (27), and both ends of the connecting plate (28) are fixedly connected to the indicating strip (29).
Citation Information
Patent Citations
CN218726346U