Plastic solar radiation exposure testing device

Abstract

The utility model relates to a plastic solar radiation exposure testing device, which belongs to the technical field of plastic testing and comprises a frame body and a supporting structure, the frame body comprises a frame, a backboard-free sample holder, a plywood sample holder, a metal net, a glass cover and a partition plate, the frame is a rectangular frame body and is divided into an upper cavity and a lower cavity by the partition plate, and the glass cover is arranged above each cavity. The rightmost cavity is provided with a backboard-free sample holder, the middle cavity is provided with a plywood backboard, the leftmost cavity is provided with a metal net, and the frame body can cooperate with the supporting structure to adjust the angle. The device is provided with the backboard-free sample holder, the plywood backboard and the metal net, so that different climate environments can be simulated more truly, and meanwhile, the exposure angle of the device can be adjusted more conveniently and rapidly due to the arrangement of the angle adjusting mechanism. The device is simple in structure, efficient and suitable for popularization and application.

Description

Technical Field

[0001] The utility model belongs to the field of plastic aging testing, and in particular relates to a plastic solar radiation exposure testing device. Background Art

[0002] The Plastic Solar Radiation Exposure Tester simulates the exposure of plastics to solar radiation to test their weather resistance and stability. Many industries, such as building materials, automotive parts, and outdoor equipment, require materials to withstand prolonged solar exposure, placing stringent requirements on the weatherability of plastics. By controlling conditions such as solar radiation, temperature, and humidity, this device can simulate various climate environments to evaluate material performance.

[0003] Conventional solar radiation exposure devices typically include an angle adjuster for adjusting the exposure angle and a sample holder for securing the sample. However, the angle adjuster is inconvenient to use and compromises the stability of the solar radiation exposure device. Furthermore, the sample holder's simulation of different climate environments is not realistic enough.

[0004] Therefore, it is necessary to propose a plastic solar radiation exposure test device to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problems existing in the above-mentioned background technology, the utility model provides a plastic solar radiation exposure testing device.

[0006] The object of the utility model can be achieved by the following technical solution: a plastic solar radiation exposure test device, characterized by comprising a frame and a support structure, the frame comprising a frame, a sample holder without a backing, a plywood sample holder, a metal mesh, a glass cover, a first partition, and a second partition, the frame being a rectangular frame, divided from left to right by the first partition into a first cavity, a second cavity, and a third cavity, the first cavity, the second cavity, and the third cavity being provided with a glass cover above, wherein the sample holder without a backing is evenly arranged from top to bottom in the third cavity; a plywood backing is provided at the bottom of the second cavity, and a metal mesh is provided in the first cavity; the frame is rotatably connected to the upper part of the support structure and can be tilted at an adjustable angle; a metal mesh is provided in the first cavity to support the sample and prevent it from loosening or sagging, and to prevent the backing from increasing the temperature of the sample; a plywood backing is provided in the second cavity to increase the maximum temperature of the sample during the test; a sample holder without a backing is provided in the third cavity to allow free air circulation in front and behind the sample, more realistically simulating weather conditions.

[0007] Preferably, the support structure includes two brackets and an angle adjustment mechanism. The two brackets are arranged on both sides of the frame, and the middle portions of the two ends of the frame are rotatably connected to the corresponding brackets. The lower portions of the two ends of the frame are connected to the corresponding brackets via the angle adjustment mechanism. The angle adjustment mechanism makes it more convenient to adjust the angle of the frame.

[0008] Preferably: the angle adjustment mechanism includes a rail, a first sliding bolt, a second sliding bolt and two locking nuts, a vertical slide groove is provided on the side of the bracket, the first sliding bolt is slidably fitted on the vertical slide groove, a rail groove is provided on the rail, one end of the rail groove is sleeved on the first sliding bolt and locked by a locking nut, the bottom of both ends of the frame are connected to the second sliding bolt, the second sliding bolt is sleeved on the other end of the rail groove and locked by another locking nut.

[0009] Preferably, the second sliding bolt is in sliding engagement with a corresponding side of the frame.

[0010] Preferably, the side edges of the frame are provided with side sliding grooves; and the second sliding bolt is slidably fitted in the side sliding grooves.

[0011] Preferably, the first cavity, the second cavity and the third cavity are divided into two upper and lower cavities by a second partition. The two cavities can be used to conduct control group experiments at the same time.

[0012] Preferably, the glass cover is a transparent flat glass. Using a transparent flat glass can reduce the shadows on the top and sides of the cavity and also facilitate observation of the sample.

[0013] Preferably, the frame is made of stainless steel. Using stainless steel as the frame material can greatly increase the service life of the frame.

[0014] Preferably, the bracket is a stainless steel pipe column, the bottom end of the bracket is provided with a column foot, and is fixed to the ground through the column foot and expansion screws. Fixing the ground through the expansion screws can improve the stability of the frame.

[0015] Preferably, a running wheel is provided at the bottom end of the bracket, and a wheel brake is provided on the running wheel to facilitate the movement of the device.

[0016] The beneficial effects of this utility model are as follows: the device is equipped with a metal mesh, a sample rack without a backboard, and a plywood backboard, which facilitates more realistic simulation of different climate environments. At the same time, the setting of the angle adjustment mechanism makes it easier to adjust the exposure angle of the device. The structure is simple and efficient, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a structural view of the frame of the plastic solar radiation exposure test device of the present invention;

[0019] Figure 2 This is a view of the support structure of the plastic solar radiation exposure test device of the present invention;

[0020] Figure 3 This is an overall structural view of the plastic solar radiation exposure test device of the utility model;

[0021] Figure 4 This is a side view of the plastic solar radiation exposure test device of the present invention;

[0022] Figure 5 This is a front view of the plastic solar radiation exposure testing device of the present invention.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 100. Frame; 101. Frame; 102. Backless specimen rack; 103. Plywood specimen rack; 104. Metal mesh; 105. Glass cover; 106. First partition; 107. Second partition; 200. Support structure; 201. Angle adjustment arm; 202. Second slide bolt; 203. Rail; 204. Side slide; 205. Vertical slide; 206. First slide bolt; 207. Bracket. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 5 As shown, the utility model provides a technical solution of a plastic solar radiation exposure test device:

[0027] The frame 100 includes a frame 101, a sample rack without a backboard 102, a plywood sample rack 103, a metal mesh 104, a glass cover 105, a first partition 106, and a second partition 107. The frame 101 is a rectangular frame, which is divided from left to right into a first cavity, a second cavity, and a third cavity by the first partition 106. A glass cover 105 is provided above the first cavity, the second cavity, and the third cavity. The sample rack without a backboard 102 is evenly arranged from top to bottom in the third cavity; a plywood backboard 103 is provided at the bottom of the second cavity, and a metal mesh 104 is provided in the first cavity; the frame 100 is rotatably connected to the upper part of the support structure and can adjust the tilt angle.

[0028] The support structure 200 includes two brackets 207 and an angle adjustment mechanism. The two brackets 207 are arranged on both sides of the frame 100. The middle parts of the two ends of the frame 100 are respectively rotatably connected to the corresponding brackets 207, and the lower parts of the two ends of the frame are connected to the corresponding brackets 207 through the angle adjustment mechanism.

[0029] The angle adjustment mechanism includes a rail 203, a first sliding bolt 206, a second sliding bolt 204 and two locking nuts. A vertical slide groove 205 is provided on the side of the bracket, and the first sliding bolt 206 is slidably fitted on the vertical slide groove 205. A rail groove is provided on the rail 203, one end of the rail groove is fitted on the first sliding bolt 206 and locked by a locking nut. The bottom of both ends of the frame is connected to the second sliding bolt 202, the second sliding bolt 202 is fitted on the other end of the rail groove and locked by another locking nut.

[0030] The second sliding bolt 202 is slidably engaged with a corresponding side of the frame 200 .

[0031] A side sliding groove 204 is correspondingly provided on the side of the frame 200 , and the second sliding bolt 202 is slidably fitted in the side sliding groove 204 .

[0032] The first cavity, the second cavity and the third cavity are divided into two upper and lower cavities by the second partition plate 107 .

[0033] The glass cover 105 is a transparent flat glass.

[0034] The bracket is a stainless steel pipe column, and the bottom end of the bracket (207) is provided with a column foot, and is fixed on the ground through the column foot and expansion screws.

[0035] The bottom end of the bracket is provided with a running wheel, and the running wheel is provided with a wheel brake.

[0036] Working principle of plastic solar radiation exposure test device:

[0037] During use of the present device, the position of the second sliding bolt 202 on the side slide groove 204 and the position of the first sliding bolt 206 on the vertical slide groove 205 are adjusted to drive the movement of the rail 203, so that the exposure angle of the frame 101 is changed, thereby improving the flexibility of the present mechanism, and the structure is simple, easy to operate, and suitable for popularization and use.

[0038] The second sliding bolt 202, the side slide groove 204, the first sliding bolt 206 and the vertical slide groove 205 are arranged and work together, and the angle adjustment arm 201, the rail 203, the second sliding bolt 202 and the side slide groove 204 begin to rotate to adjust the exposure angle of the plastic solar radiation exposure test device.

[0039] During use of the device, the sample rack without backing plate 102, the plywood backing plate 103 and the metal mesh 104 respectively simulate the performance changes of plastics caused by exposure to solar radiation in different environments.

[0040] This device allows for simultaneous comparative experiments, Group A and Group B. Group A simulates direct exposure of plastic to solar radiation, while Group B simulates exposure to solar radiation filtered through window glass. This facilitates the comparison of plastic performance changes under different usage scenarios. It features a metal mesh, a backingless specimen rack, and a plywood backing, enabling realistic simulation of diverse climate environments. Its simple and efficient design makes it suitable for widespread use.

[0041] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0042] The above describes an embodiment of the present invention in detail. However, the above content is only a preferred embodiment of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent application of the present invention.

Claims

1. A plastic solar radiation exposure test device, characterized in that: Including a frame and a supporting structure; The frame includes a frame, a sample holder without a back plate, a plywood sample holder, a metal mesh, a glass cover, a first partition plate, and a second partition plate; The frame is a rectangular frame, which is divided into a first cavity, a second cavity and a third cavity from left to right by a first partition. Glass covers are provided above the first cavity, the second cavity and the third cavity. Among them, sample racks without backboards are evenly provided from top to bottom in the third cavity; a plywood backboard is provided at the bottom of the second cavity, and a metal mesh is provided in the first cavity; the frame is rotatably connected to the upper part of the support structure and can adjust the tilt angle.

2. The plastic solar radiation exposure test device according to claim 1, characterized in that: The support structure includes two brackets and an angle adjustment mechanism; The two brackets are arranged on both sides of the frame, and the middle parts of the two ends of the frame are respectively rotatably connected to the corresponding brackets; the lower parts of the two ends of the frame are connected to the corresponding brackets through angle adjustment mechanisms.

3. The plastic solar radiation exposure test device according to claim 2, characterized in that: The angle adjustment mechanism includes a rail, a first sliding bolt, a second sliding bolt and two locking nuts; A vertical slide groove is provided on the side of the bracket, and a first slide bolt is slidably fitted on the vertical slide groove. A rail groove is provided on the rail bar, and one end of the rail groove is fitted on the first slide bolt and locked by a locking nut; The bottoms of both ends of the frame are connected with second sliding bolts, which are sleeved on the other end of the rail groove and locked by another locking nut.

4. The plastic solar radiation exposure testing device according to claim 3, characterized in that: The second sliding bolt is slidably engaged with a corresponding side of the frame.

5. The plastic solar radiation exposure testing device according to claim 4, characterized in that: The side edges of the frame are correspondingly provided with side sliding grooves; the second sliding bolt is slidably fitted in the side sliding grooves.

6. The plastic solar radiation exposure testing device according to claim 1, characterized in that: The first cavity, the second cavity and the third cavity are divided into two upper and lower inner cavities by a second partition.

7. The plastic solar radiation exposure testing device according to claim 1, characterized in that: The glass cover is transparent flat glass.

8. The plastic solar radiation exposure testing device according to claim 1, characterized in that: The frame is made of stainless steel.

9. The plastic solar radiation exposure testing device according to claim 2, characterized in that: The bracket is a stainless steel pipe column, the bottom end of the bracket is provided with a column foot, and is fixed to the ground by the column foot and expansion screws.

10. The plastic solar radiation exposure testing device according to claim 2, characterized in that: A running wheel is provided at the bottom end of the bracket, and a wheel brake is provided on the running wheel.

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