Polyurethane material hydroscopicity detection device
By designing a polyurethane material water absorption detection device including protective cover, electronic scale and heating rod, the error and efficiency problems in polyurethane water absorption detection are solved, and higher detection accuracy and higher working efficiency are achieved.
Patent Information
- Application Number
- CN202420747497.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The existing water absorption detection device of polyurethane materials has error problems, especially because polyurethane absorbs water vapor in the air and affects the detection results, and the detection process is time-consuming and labor-intensive, affecting work efficiency.
A polyurethane material water absorption detection device including the main body of the detection device, a protective cover and a handle is designed. Through components such as electronic scales, heating rods and rotating motors, the drying and precise quality measurement of the polyurethane are realized, reducing manual operations and improving detection efficiency.
The device improves detection accuracy and reduces errors by drying polyurethane to discharge residual moisture. It saves manpower and improves work efficiency through the design of protective covers and electronic scales.
Smart Images

Figure CN222618442U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection devices, in particular to a polyurethane material water absorption detection device. Background Art
[0002] Water absorption is often used as a measurement indicator for polyurethane rigid foam to evaluate its water absorption. Higher water absorption will reduce the quality of the foam, such as increasing the thermal conductivity, making the foam's insulation material susceptible to corrosion, and reducing the foam's strength. Therefore, this indicator is very important, and a detection device is needed to detect the water absorption of polyurethane materials.
[0003] 1. Polyurethane will also absorb a certain amount of water vapor in the air, and the water vapor absorbed during polyurethane testing will affect the final test results. Existing testing devices often cause errors due to this problem.
[0004] 2. The existing detection device is exposed to the outside for testing, which is prone to errors. In addition, the staff needs to operate and observe the detection process, which is time-consuming and labor-intensive, affecting work efficiency. Utility Model Content
[0005] In view of the above problems existing in the prior art, a device for detecting water absorption of polyurethane materials is now provided.
[0006] The specific technical solutions are as follows:
[0007] A polyurethane material water absorption detection device is designed, comprising a detection device body, a protective cover and a handle, the protective cover is arranged on the top of the detection device body, the protective cover and the detection device body are movably connected, the handle is fixedly connected to the top of the protective cover, two handles are provided, an adjustment button is arranged on one side of the handle, the adjustment button and the protective cover are movably connected, and a compartment door is movably connected to one side of the detection device body.
[0008] Preferably, an electronic scale is provided between the handles, the electronic scale passes through the protective cover, and the electronic scale and the protective cover are fixedly connected.
[0009] Preferably, a heating rod is fixedly connected to the bottom of the protective cover, and four heating rods are provided and evenly distributed around the electronic scale.
[0010] Preferably, hooks are fixedly connected to both sides of the bottom of the electronic scale, a storage frame is provided at the bottom of the electronic scale, and the top of the storage frame is movably connected to a hanging ring.
[0011] Preferably, a support plate is provided inside the main body of the detection device, trapezoidal blocks are fixedly connected to both sides of the support plate, and four trapezoidal blocks are provided.
[0012] Preferably, a trapezoidal groove is provided in the main body of the detection device, the trapezoidal groove and the trapezoidal block are movably engaged, a rotating motor is fixedly connected in the support plate, and two rotating motors are provided.
[0013] Preferably, the shaft of the rotating motor is fixedly connected with a gear, and the main body of the detection device is provided with a rack located on one side of the gear, and the gear is meshed with the rack.
[0014] The above technical solution has the following advantages or beneficial effects:
[0015] 1. When testing, the device first takes the polyurethane to be tested in a suitable size and puts it in the storage frame, then hangs the storage frame on the hook at the bottom of the electronic scale through the hanging ring, covers the protective cover, sets the temperature to a certain temperature to dry the polyurethane, which can discharge the residual moisture inside the polyurethane and improve the accuracy of the experiment.
[0016] 2. The device is equipped with a protective cover to protect the test items from external interference during the test, thereby improving the quality of the experiment. The experimental process only requires a small amount of manual operation, saving manpower and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The embodiments of the present invention will be described more fully with reference to the attached drawings, which are however only used for illustration and description and are not intended to limit the scope of the present invention.
[0018] Figure 1 This is a structural schematic diagram of a polyurethane material water absorption detection device proposed by the utility model;
[0019] Figure 2 This is a schematic diagram of the layered structure of a polyurethane material water absorption detection device proposed by the utility model;
[0020] Figure 3 This is a schematic structural diagram of a cross-section of a polyurethane material water absorption detection device proposed by the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of a storage frame of a polyurethane material water absorption detection device proposed by the utility model;
[0022] Figure 5 The utility model provides a structural schematic diagram of a hanging ring of a polyurethane material water absorption detection device.
[0023] The above-mentioned figure marks represent: 1. detection device body; 2. protective cover; 3. handle; 4. electronic scale; 5. adjustment button; 6. compartment door; 7. heating rod; 8. storage frame; 9. support plate; 10. trapezoidal block; 11. gear; 12. rotating motor; 13. rack; 14. trapezoidal groove; 15. hook; 16. hanging ring. DETAILED DESCRIPTION
[0024] 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.
[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.
[0027] Reference Figure 1-5 , a polyurethane material water absorption detection device comprises a detection device body 1, a protective cover 2 and a handle 3. A protective cover 2 is provided on the top of the detection device body 1, and the protective cover 2 is movably connected to the detection device body 1. A handle 3 is fixedly connected to the top of the protective cover 2, and two handles 3 are provided. An adjusting button 5 is provided on one side of the handle 3, and the adjusting button 5 is movably connected to the protective cover 2. A warehouse door 6 is movably connected to one side of the detection device body 1. The protective cover 2 is used for heat preservation and external factor interference detection. The adjusting button 5 is used to adjust the internal temperature of the detection device body 1 and the rotating motor 12, and the warehouse door 6 is used to open and place a beaker. When the device is used for detection, the polyurethane to be detected is first taken in a suitable size and placed in a storage frame 8, and then the storage frame 8 is hung on the hook 15 at the bottom of the electronic scale 4 through the hanging ring 16, and the protective cover 2 is covered. The temperature is set at a certain temperature to dry the polyurethane, which can discharge the residual moisture in the polyurethane and improve the accuracy of the experiment.
[0028] Furthermore, an electronic scale 4 is provided between the handles 3. The electronic scale 4 passes through the protective cover 2. The electronic scale 4 and the protective cover 2 are fixedly connected. The electronic scale 4 is a high-precision electronic scale and is a commercially available product.
[0029] Furthermore, a heating rod 7 is fixedly connected to the bottom of the protective cover 2. Four heating rods 7 are provided and are evenly distributed around the electronic scale 4. The heating rod 7 contains a heating wire, which can be heated by powering on. It is a commercially available product.
[0030] Furthermore, hooks 15 are fixedly connected to both sides of the bottom of the electronic scale 4, and a storage frame 8 is provided at the bottom of the electronic scale 4. The top of the storage frame 8 is movably connected to a hanging ring 16, and the hanging ring 16 can move around the frame of the storage frame 8. The hanging ring 16 can allow the storage frame 8 to be hung on the hook 15.
[0031] Furthermore, a support plate 9 is provided inside the detection device body 1 , and trapezoidal blocks 10 are fixedly connected to both sides of the support plate 9 . Four trapezoidal blocks 10 are provided, and the trapezoidal blocks 10 are used to position the support plate 9 .
[0032] Furthermore, a trapezoidal groove 14 is provided in the detection device body 1 , and the trapezoidal groove 14 and the trapezoidal block 10 are movably engaged. A rotating motor 12 is fixedly connected to the support plate 9 , and two rotating motors 12 are provided. The trapezoidal block 10 can move up and down along the trapezoidal groove 14 .
[0033] Furthermore, the shaft of the rotating motor 12 is fixedly connected to the gear 11, and the detection device body 1 is provided with a rack 13 on one side of the gear 11, and the gear 11 and the rack 13 are meshed. The rotating motor 12 is a commercially available product and is provided with a braking device inside. When the power is off, the shaft will not rotate. The rotating motor 12 is used to drive the gear 11 to rotate, so that the support plate 9 can move up and down.
[0034] Working principle: When using the device, power on the device, first take the polyurethane to be tested in an appropriate size and put it in the storage frame 8, then hang the storage frame 8 on the hook 15 at the bottom of the electronic scale 4 through the hanging ring 16, cover the protective cover 2, set the temperature to a certain temperature to dry the polyurethane, when the electronic scale 4 shows a constant mass, record the mass, wait for the detection device to cool down, open the compartment door 6 and put a cup of water on the support plate 9, control the support plate 9 to rise by adjusting the button 5 so that the water submerges the polyurethane, wait for the polyurethane to absorb water, and after the polyurethane has absorbed water, control the support plate 9 to descend by adjusting the button 5, wait for the electronic scale 4 to show a constant mass, record the mass, and the water absorption of the polyurethane material can be calculated by the twice recorded masses.
[0035] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.
Claims
1. A polyurethane material water absorption detection device, characterized in that: The invention comprises a detection device body (1), a protective cover (2) and a handle (3); the protective cover (2) is arranged on the top of the detection device body (1); the protective cover (2) and the detection device body (1) are movably connected; the top of the protective cover (2) is fixedly connected to the handle (3); two handles (3) are provided; an adjustment button (5) is arranged on one side of the handle (3); the adjustment button (5) and the protective cover (2) are movably connected; and a compartment door (6) is movably connected to one side of the detection device body (1).
2. A polyurethane material water absorption detection device according to claim 1, characterized in that: An electronic scale (4) is provided between the handles (3); the electronic scale (4) passes through the protective cover (2); and the electronic scale (4) and the protective cover (2) are fixedly connected.
3. A polyurethane material water absorption detection device according to claim 2, characterized in that: A heating rod (7) is fixedly connected to the bottom of the protective cover (2), and four heating rods (7) are provided and evenly distributed around the electronic scale (4).
4. A polyurethane material water absorption detection device according to claim 3, characterized in that: Hooks (15) are fixedly connected to both sides of the bottom of the electronic scale (4), a storage frame (8) is provided at the bottom of the electronic scale (4), and the top of the storage frame (8) is movably connected to a hanging ring (16).
5. The device for detecting water absorption of polyurethane material according to claim 1, characterized in that: A support plate (9) is provided inside the detection device body (1), and trapezoidal blocks (10) are fixedly connected to both sides of the support plate (9), and four trapezoidal blocks (10) are provided.
6. A polyurethane material water absorption detection device according to claim 5, characterized in that: A trapezoidal groove (14) is provided in the detection device body (1), and the trapezoidal groove (14) and the trapezoidal block (10) are movably engaged. A rotating motor (12) is fixedly connected in the support plate (9), and two rotating motors (12) are provided.
7. A polyurethane material water absorption detection device according to claim 6, characterized in that: The shaft of the rotating motor (12) is fixedly connected to a gear (11), and the detection device body (1) is provided with a rack (13) located on one side of the gear (11), and the gear (11) and the rack (13) are meshed.