An apparatus for facilitating the stacking of heat conducting test samples
By designing a combination of outer shell, pull plate and limiting slide, the problem of difficult adjustment and stacking of multi-layer samples under high temperature and high pressure conditions is solved, realizing convenient stacking and positioning of samples, and improving the accuracy of testing and the convenience of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI PUTIAN IRON CORE CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-06-09
AI Technical Summary
Under high temperature and high pressure conditions, it is difficult to adjust and stack multi-layer samples, resulting in uneven samples and causing test errors.
A device comprising a housing, a pull plate, and a limiting slide is designed. Through the cooperation of the limiting slide and the magnetic block, the sample can be conveniently stacked and positioned, avoiding the sample from being scattered during handling and placement, and without interfering with the sample during the test.
It enables convenient stacking and positioning of samples under high temperature and high pressure conditions, reduces testing errors, and improves testing accuracy and ease of operation.
Smart Images

Figure CN224336030U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of auxiliary tooling, and in particular to a device for convenient stacking of thermal conductivity test samples. Background Technology
[0002] When measuring the thermal conductivity of an object using the transient plane heat source method, the sample to be tested needs to be placed in a sample-probe-sample configuration. To meet the testing requirements for sample thermal conductivity under high temperature and high pressure conditions, the volume of the cavity for placing the sample is relatively small (typically only 100mm*120mm*80mm). See [reference needed]. Figure 1 The diagram shows an existing test container. A stage A is prominently displayed in the test container. Sample B needs to be divided into two parts, which are stacked on the stage A. A probe C for temperature measurement is inserted between the two piles of sample B.
[0003] When the sample being tested is a multi-layered stack, it is extremely difficult to adjust the sample within a limited cavity. For example, when the sample is made of stacked silicon steel sheets with an insulating film on the surface, adjusting it by hand can easily cause the silicon steel sheets to slide and shift, resulting in the sample not being placed neatly and thus causing test errors. Utility Model Content
[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a device for convenient stacking of thermal conductivity test samples, so as to solve one or more problems in the prior art.
[0005] To achieve the above objectives, the technical solution of this utility model is as follows:
[0006] A device for convenient stacking of thermal conductivity test samples, applied to a test container, includes an outer shell, a pull plate, and two limiting slides. The two limiting slides are located on opposite sides of a stage. One end of each limiting slide is fixed to one outer wall of the test container, and the other end passes through the inner cavity of the test container and is fixed to the other outer wall. A limiting strip is fixed to the top of each limiting slide, and the limiting strip is arranged along the length of the limiting slide. The outer shell includes a locking element and two symmetrically arranged housings, which are locked together. The components are connected together to form a storage cavity for placing samples. A splicing groove is provided on one side of the housing. When two housings are connected together, the two splicing grooves are connected to form a slot for inserting a pull plate into the storage cavity. The pull plate is provided with a clearance groove for the probe to enter the storage cavity. When the housing is placed on two limiting slides, the two opposite sidewalls of the storage cavity of the housing are respectively attached to the corresponding sidewalls of the two limiting slides. The two housings are respectively placed on the two limiting slides and enter and exit the inner cavity of the test container along the limiting strip.
[0007] Furthermore, a tightening screw is threaded onto one end of the limiting slide, and a washer is connected to the end of the tightening screw facing the outer wall of the test container.
[0008] Furthermore, the locking component includes two magnetic blocks, which are respectively fixed on the sides of the two housings where splicing grooves are provided. When the two housings are connected together, the two magnetic blocks are attracted together.
[0009] Furthermore, a limiting rod is fixed on one of the magnetic blocks, the limiting rod is set in the horizontal direction and perpendicular to the length direction of the limiting slide, and the other magnetic block is slidably set on the limiting rod.
[0010] Furthermore, the width of the drawer is greater than the width of the storage cavity of the outer shell, and grooves are provided on the inner walls of both sides of the outer shell, with one end of the groove communicating with the splicing groove.
[0011] Furthermore, the top cross-section of the limiting slide used to support the outer shell is triangular, and the width of the cross-section decreases from top to bottom.
[0012] Furthermore, the side width of the housing with the splicing groove is greater than the side width away from the splicing groove.
[0013] Compared with the prior art, the beneficial technical effects of this utility model are as follows:
[0014] 1. The outer shell is used to contain the sample, preventing it from scattering during handling and placement. Once the sample is placed on the stage, the outer shell is disassembled into two separate shells, detaching them from the sample and allowing them to be removed from the test container without disturbing the sample.
[0015] 2. The housing guide rail provides parallelism for the housing movement during installation and removal, facilitating operation and preventing contact with the sample;
[0016] 3. The pull plate has clearance grooves to place the probe during installation and prevent damage to the probe;
[0017] 4. The limit slide rail is fixed by applying pressure to the shim by tightening the screws. Attached Figure Description
[0018] Figure 1 A schematic diagram of the structure of a test container for sample testing provided by this utility model is shown.
[0019] Figure 2 A schematic diagram of the structure of the device for convenient stacking of salt workers for thermal conductivity testing provided in an embodiment of the present invention is shown.
[0020] Figure 3A schematic diagram of the structure of the outer shell provided in an embodiment of the present invention is shown.
[0021] Figure 4 A schematic diagram of the drawer provided in an embodiment of the present invention is shown.
[0022] Figure 5 A schematic diagram of the limiting slide provided in an embodiment of this utility model is shown.
[0023] Figure 6 This diagram illustrates the overall structure of the device when applied to a test container, as provided in an embodiment of the present invention.
[0024] Reference numerals: A, stage; B, sample; C, probe; 1, housing; 11, splicing groove; 12, embedding groove; 13, placement groove; 2, draw plate; 21, clearance groove; 3, limiting slide; 31, limiting strip; 32, tightening screw; 33, gasket; 4, locking element; 41, magnetic block; 42, limiting rod. Detailed Implementation
[0025] A device for convenient stacking of thermal conductivity test samples, see [link to device]. Figure 2 The device includes an outer shell, a pull plate 2, and two limiting slides 3. The two limiting slides 3 are stacked to support the outer shell. A storage cavity is formed on the top of the outer shell away from the limiting slides 3 to accommodate the sample to be tested. A groove 12 is also formed on the side wall of the outer shell, through which one end of the pull plate 2 is inserted into the storage cavity to separate the two samples.
[0026] See Figure 3 The outer casing includes a locking element 4 and two symmetrically arranged shells 1. The horizontal cross-section of the shell 1 is L-shaped, and the two side walls of the shell 1 are defined as the insertion wall and the placement wall, respectively, wherein the thickness of the placement wall is greater than the thickness of the insertion wall. A splicing groove 11 is formed on the insertion wall, and one end of the splicing groove 11 extends through to the end face of the insertion wall away from the placement wall to form a notch, and the other end of the splicing groove 11 extends towards the placement wall. A placement groove 13 is formed on the placement wall. The bottom of the placement groove 13 in the vertical direction is used to place the sample, and the bottom of the placement groove 13 in the horizontal direction has an insert groove 12. One end of the insert groove 12 is connected to the splicing groove 11, and the other end of the insert groove 12 extends through the end face of the placement wall away from the insertion wall.
[0027] The locking element 4 includes two magnetic blocks 41. Each magnetic block 41 contains a built-in magnet, and the two blocks attract each other magnetically when brought close together. The two magnetic blocks 41 are respectively fixed to the side walls of the two housings 1 where the splicing groove 11 is provided. A limiting rod 42 is fixed to one of the magnetic blocks 41, the limiting rod 42 being horizontally oriented and perpendicular to the length direction of the limiting slide 3. The other magnetic block 41 is slidably mounted on the limiting rod 42. To ensure relative horizontal movement between the two housings during sliding, two limiting rods 42 can be used. Additionally, a retaining spring can be installed at the end of the limiting rod 42 to prevent the two housings 1 from completely separating.
[0028] When the two housings 1 are placed together, the two magnetic blocks 41 are attracted together to ensure the connection strength. The two housings 1 together form a storage cavity through the bottom wall of the placement groove 13 and the splicing wall. The two splicing grooves 11 are connected to form a slot for inserting the pull plate 2 into the storage cavity. The side width of the splicing groove 11 on the housing 1 is greater than the side width away from the splicing groove 11.
[0029] See Figure 4 The slide plate 2 has a clearance groove 21 for the probe to enter the receiving cavity. The width of the slide plate 2 is greater than the width of the receiving cavity of the outer shell. When the slide plate 2 is inserted into the receiving cavity, it divides the receiving cavity into upper and lower chambers, and the clearance groove 21 of the slide plate 2 is connected to the lower chamber. Each chamber can hold one sample.
[0030] See Figure 5 A limiting strip 31 is fixed to the top of the limiting slide 3, and the limiting strip 31 is set along the length of the limiting slide 3. A tightening screw 32 is threadedly connected to one end of the limiting slide 3, and a washer 33 is connected to the end of the tightening screw 32 facing the outer wall of the test container. The top cross-section of the limiting slide 3, which supports the outer shell, is triangular, and the width of the cross-section decreases from top to bottom. The distance between the two ends of the limiting slide 3 is greater than the length of the test container.
[0031] When applying the device for convenient stacking of thermal conductivity test samples to a test container, the two limiting slides 3 need to be installed on the test container first. First, turn the tightening screw 32 outwards so that both ends of the limiting slide 3 can be placed outside the end faces of the test container, placing the two limiting slides 3 on either side of the stage. Then, press the ends of the limiting slides 3 furthest from the tightening screw 32 against the corresponding end faces of the test container, and turn the tightening screw 32 inwards so that the tightening screw 32 drives the gasket 33 to press against the corresponding end faces of the test container. Next, join the two housings 1 together, place one sample into the receiving cavity and insert the drawer 2, then place the second sample on the drawer 2. Place the housing 1 with the sample onto the two limiting slides 3, ensuring the splicing groove 11 faces outwards. Push the housing 1 into the test container along the limiting strip 31. When the inner wall of the housing 1 is lower than the end face of the limiting strip 31, the sample on the housing 1 is precisely on the placement stage. The structure at this point is as follows: Figure 6 As shown. Then, insert the probe into the clearance groove 21 of the pull plate 2, pull the pull plate 2 away from the outer shell, and let the sample above fall to clamp the probe between the two samples. Finally, separate the two shells 1 horizontally so that the shells 1 are no longer in contact with the samples, and then pull the shells 1 outward to start the test.
[0032] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0033] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A device for convenient stacking of thermal conductivity test samples, applied to a test container, characterized in that: The test container includes an outer shell, a drawer (2), and two limiting slides (3). The two limiting slides (3) are located on both sides of the stage. One end of each limiting slide (3) is fixed to the outer wall of one side of the test container, and the other side of each limiting slide (3) passes through the inner cavity of the test container and is fixed to the outer wall of the other side of the test container. A limiting strip (31) is fixed to the top of each limiting slide (3), and the limiting strip (31) is arranged along the length of the limiting slide (3). The outer shell includes a locking element (4) and two symmetrically arranged shells (1). The two shells (1) are connected together by the locking element (4) to form a structure for placing... The sample storage cavity has a splicing groove (11) on one side of the shell (1). When the two shells (1) are connected together, the two splicing grooves (11) are connected to form a slot for inserting the pull plate (2) into the storage cavity. The pull plate (2) has a clearance groove (21) for the probe to enter the storage cavity. When the shell is placed on the two limiting slides (3), the two opposite side walls of the storage cavity of the shell are respectively attached to the corresponding side of the two limiting slides (3). The two shells (1) are respectively placed on the two limiting slides (3) and enter and exit the inner cavity of the test container along the limiting strip (31).
2. The device for convenient stacking of thermal conductivity test samples as described in claim 1, characterized in that: A tightening screw (32) is threaded onto one end of the limiting slide (3), and a washer (33) is connected to the end of the tightening screw (32) facing the outer wall of the test container.
3. The device for convenient stacking of thermal conductivity test samples as described in claim 1, characterized in that: The locking component (4) includes two magnetic blocks (41), which are fixed on the sides of the two housings (1) with splicing grooves (11). When the two housings (1) are connected together, the two magnetic blocks (41) are attracted together.
4. The device for convenient stacking of thermal conductivity test samples as described in claim 3, characterized in that: One of the magnetic blocks (41) is fixed with a limiting rod (42), which is set in the horizontal direction and perpendicular to the length direction of the limiting slide (3). The other magnetic block (41) is slidably set on the limiting rod (42).
5. The apparatus for convenient stacking of thermal conductivity test samples as described in claim 1, characterized in that: The width of the drawer (2) is greater than the width of the storage cavity of the outer shell. The inner walls on both sides of the outer shell are provided with grooves (12), and one end of the groove (12) is connected to the splicing groove (11).
6. The apparatus for convenient stacking of thermal conductivity test samples as described in claim 1, characterized in that: The limiting slide (3) is used to support the top of the outer shell. The cross-section is triangular, and the width of the cross-section decreases from top to bottom.
7. The apparatus for convenient stacking of thermal conductivity test samples as described in claim 1, characterized in that: The side width of the splicing groove (11) on the housing (1) is greater than the side width away from the splicing groove (11).