Floating centering test fixture

Abstract

The utility model provides a floating centering test fixture. The floating centering test fixture comprises a base, a cover plate, a sliding block and two elastic pieces, the base comprises a bottom wall and a peripheral wall arranged around the outer edge of the bottom wall, the bottom wall and the peripheral wall jointly define a containing space, the end, away from the bottom wall, of the base is combined to the cover plate, and the cover plate is provided with a first through hole. The sliding block is located in the containing space and can slide in the radial direction, a first connecting hole is formed in the center of the sliding block, a first connecting structure is arranged in the first connecting hole and used for being connected with a tested connector, and the first connecting hole corresponds to the first through hole of the cover plate. Elastic pieces are arranged on the two opposite surfaces of the sliding block along the axis of the sliding block respectively and make contact with the cover plate and the bottom wall of the base respectively. The elastic pieces not only provide floating support and buffer positioning for the sliding block, but also can achieve a sealing effect and effectively prevent fluid leakage when the first connecting hole of the sliding block is a through hole, so that the accuracy and reliability of the testing process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool for testing the performance of a connector, in particular to a floating centering test tool for simulating the floating characteristics and sealing effect of a connector. BACKGROUND

[0002] With the rapid development of server technology, its heat dissipation demand is increasing. The traditional air cooling dissipation method has been unable to meet the needs of some high-performance servers, prompting the rise of new technologies such as cooling plate heat dissipation and immersion heat dissipation. These technologies effectively transfer the heat generated inside the server to the liquid cooling medium, and then use the cooling medium to export the heat outside the server, achieving high-efficiency heat dissipation through heat exchange. In this process, the transmission of liquid cooling medium between different mechanisms requires the support of quick-release connectors, which have become an indispensable and important component in liquid cooling heat dissipation systems.

[0003] Traditional quick-release connectors are mostly used in hydraulic systems or general liquid cooling devices, and their requirements for product life and sealing performance are relatively low, and the replacement cost is also controllable. However, servers have very high requirements for reliability and stability during operation, so quick-release connectors must have excellent sealing performance to prevent cooling liquid leakage from causing serious problems such as internal short circuit in the server. In addition, servers need to run stably for a long time, and any downtime caused by maintenance or replacement of quick-release connectors can cause significant losses. Based on this, server liquid cooling heat dissipation applications have put forward more stringent technical requirements for quick-release connectors.

[0004] In server liquid cooling heat dissipation applications, the reliability test of quick-release connectors needs to simulate a variety of actual use scenarios, including repeated plugging and unplugging operations, to evaluate the durability and sealing performance of the connector product. At the same time, to truly restore the actual operating conditions, the precise centering (core) of the plug-in end connector and the receiving end connector must be ensured during each docking process. Especially for the receiving end with blind plug design, the centering function is particularly important. Any misalignment of the centering may cause the test conditions to be inconsistent with the actual application scenarios, thereby causing test result deviation or misjudgment.

[0005] In actual testing, due to equipment processing tolerances, product tolerances, and limitations of the machine mounting process, the plug-in end and the receiving end may not be precisely centered, especially in repeated docking actions. If the centering is misaligned too much, it is easy to cause abnormal wear of the connector, further causing sealing failure, thereby affecting the authenticity and reliability of the test.

[0006] For example, Figure 1A and Figure 1BAs shown, the conventional test fixture without floating function, when the plug-in terminal M is docked with the receiving terminal F for testing, if the two are misaligned too much, the plug-in terminal M will damage the sealing ring S of the receiving terminal F near the entrance. After repeated docking, the sealing ring S will be quickly worn out due to excessive misalignment, eventually leading to a significant decline in sealing performance, thereby affecting the accuracy of test results and the service life of the terminal.

[0007] Therefore, designing a fixture that can achieve precise centering for ensuring the accuracy of plug-in operation and the stability of the testing process has become a technical problem to be solved in the related technical field. Practical new type content

[0008] To solve the above technical problems, the purpose of the present application is to provide a floating centering test fixture.

[0009] The utility model provides a floating centering test fixture, characterized in being comprising:

[0010] A base has a bottom wall and an outer peripheral wall arranged around the outer edge of the bottom wall, and the outer peripheral wall is provided with a joint surface at the end away from the bottom wall, and the bottom wall and the outer peripheral wall jointly define a containing space;

[0011] A cover plate is arranged on the joint surface of the base and is provided with a first through hole;

[0012] A sliding block is arranged in the containing space and can slide in the direction perpendicular to the axis of the base, and the sliding block has a first surface and a second surface, and the first surface and the second surface are respectively located at the two ends of the sliding block in the direction of its own axis; the sliding block is provided with a first connecting hole, and a first connecting structure is arranged in the first connecting hole for connecting a terminal under test, and the first connecting hole corresponds to the first through hole of the cover plate; and

[0013] Two elastic members are respectively arranged on the first surface and the second surface of the sliding block, wherein the elastic member arranged on the first surface is in contact with the cover plate, and the elastic member arranged on the second surface is in contact with the bottom wall of the base.

[0014] The floating centering test fixture, wherein the first connecting hole is a through hole, the inner wall of the first connecting hole is provided with the first connecting structure, and the first connecting structure is a threaded structure.

[0015] The floating centering test fixture, wherein the first connecting hole is a blind hole, the inner wall of the first connecting hole is provided with the first connecting structure, and the first connecting structure is a threaded structure.

[0016] The floating centering test fixture, wherein the bottom wall of the base is provided with a second connecting hole, and a second connecting structure is arranged in the second connecting hole.

[0017] The floating centering test fixture, wherein the inner wall of the second connecting hole is provided with the second connecting structure, and the second connecting structure is a threaded structure.

[0018] The floating centering test fixture, wherein: further comprising a fixing seat connected with the base; the fixing seat is provided with a third connecting structure, and the fixing seat is connected with the second connecting hole of the base through the third connecting structure.

[0019] The floating centering test fixture, wherein the elastic members arranged on the first surface of the slider are also used to provide sealing between the slider and the cover plate, the elastic members arranged on the second surface of the slider are also used to provide sealing between the slider and the bottom wall of the base, and the two elastic members together provide sliding support for the slider in the base.

[0020] The floating centering test fixture, wherein: further comprising a fixing rod, the outer peripheral wall of the base is provided with at least a first fixing hole, the first fixing hole is a through hole, the outer peripheral wall of the slider is provided with at least a second fixing hole, and the fixing rod is used to pass through the first fixing hole and insert into the second fixing hole, so as to fix the slider on the base.

[0021] The floating centering test fixture, wherein the outer peripheral wall, the bottom wall and the cover plate together constitute a shell structure, the shell structure comprises a cylindrical part, and the slider has a cylindrical structure matched with the cylindrical part.

[0022] The utility model adopts the above structure, the elastic member arranged on the first surface contacts the cover plate, the elastic member arranged on the second surface contacts the bottom wall of the base, not only provides the buffer and the support in the test process, also makes the slider be able to float radially inside the base, and then improves the stability and the accuracy of test. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1A It is the initial state schematic view of the plug-in end connector and the receiving end connector in the docking process in the prior art test fixture.

[0024] Figure 1B It is the subsequent state schematic view of the plug-in end connector and the receiving end connector in the docking process in the prior art test fixture.

[0025] Figure 2 It is the exploded view of the main components of the floating centering test fixture of the first embodiment of the utility model.

[0026] Figure 3It is the sectional view schematic diagram of the floating centering test fixture of the first embodiment of the utility model.

[0027] Figure 4 It is the structural schematic diagram of the floating centering test fixture of the second embodiment of the utility model.

[0028] Figure 5 It is the sectional view schematic diagram of the floating centering test fixture of the second embodiment of the utility model.

[0029] Figure 6 It is the schematic diagram of the floating centering test fixture of the second embodiment of the utility model under an operating state.

[0030] Explanation of reference signs: insertion end connector M; receiving end connector F, F'; sealing ring S; floating centering test fixture 1, 1'; base 10, 10'; joint surface 101; bottom wall 102; second connecting hole 1020, 1020'; second connecting structure 1021; outer peripheral wall 103; first fixing hole 1030; fixed rod 104; cover plate 11, 11'; first through hole 110; sliding block 12, 12'; first connecting hole 120, 120'; first surface 121, 121'; second surface 122, 122'; first connecting structure 123, 123'; second fixing hole 124; measured connector 125, 125'; elastic member 13, 13', 14, 14'; fixing seat 15; third connecting structure 151; accommodating space P, P'. DETAILED DESCRIPTION

[0031] The above-mentioned purposes of the utility model and the characteristics of structure and function will be explained according to the preferred embodiment of the accompanying drawings.

[0032] Please refer to Figure 2 And Figure 3 As shown. Figure 2 It is the exploded view of the main components of the floating centering test fixture of the first embodiment of the utility model. Figure 3 It is the sectional view schematic diagram of the floating centering test fixture of the first embodiment of the utility model.

[0033] As Figure 2 And Figure 3 The first embodiment of the utility model provides a floating centering test fixture 1, mainly including: a base 10, a cover plate 11, a sliding block 12 and two elastic members 13 and 14.

[0034] The base 10 can be made of metal or non-metal material, which has a bottom wall 102 and an outer wall 103 arranged around the outer edge of the bottom wall 102, and a joint surface 101 is arranged at the end away from the bottom wall 102, and the bottom wall 102 and the outer wall 103 jointly define a containing space P. The bottom wall 102 can be provided with a second connecting hole 1020 according to requirements, and a second connecting structure 1021 such as a threaded structure is arranged for specific connection or fixing application.

[0035] In the embodiment, the floating centering test fixture 1 further comprises a fixing rod 104 which can be made of metal or hard material. The outer wall 103 of the base 10 is provided with at least one first fixing hole 1030 (through hole), and the outer wall of the sliding block 12 is provided with at least one second fixing hole 124. The fixing rod 104 passes through the first fixing hole 1030 and is inserted into the second fixing hole 124, so that the sliding block 12 can be stably fixed on the base 10 and prevented from moving, thereby achieving stable locking between the sliding block 12 and the base 10.

[0036] The cover plate 11 can be made of metal material and is covered and fastened on the joint surface 101 of the base 10, and the fixing mode can be realized by screws (not shown in the figure). The fastening of the cover plate 11 not only provides stable connection with the base 10, but also effectively limits the axial movement of the sliding block 12 in the containing space P, so as to ensure that the overall structure has good sealing and sliding properties. In addition, the cover plate 11 is provided with a first through hole 110 corresponding to the first connecting hole 120 of the sliding block 12, which can pass through and extend to the outside of the cover plate 11 to meet the test requirements. In the utility model, the fixing mode of the cover plate 11 and the base 10 is not limited to screw fastening, but also can adopt a tenon structure or other suitable fixing mechanism to further improve the flexibility and reliability of assembly.

[0037] The sliding block 12 can be made of metal material and is arranged in the containing space P of the base 10, is clamped by the base bottom wall 102 and the cover plate 11, and can slide in the direction perpendicular to the axis of the base 10. In the embodiment, the sliding block 12 is arranged in the cylindrical containing space P and can realize radial sliding to adapt to the centering adjustment requirement in the test process. The sliding block 12 has a first surface 121 and a second surface 122 which are respectively located at opposite ends of the sliding block 12 in the direction of its own axis, thereby providing stable support and buffering basis. A first connecting hole 120 is arranged at the center of the sliding block 12 in the direction of its own axis, and the first connecting hole 120 is a through hole and has a first connecting structure 123 such as a threaded structure arranged on the inner wall to adapt to various forms of test connectors and provide stable locking effect. Such design not only enhances the adaptability of the sliding block 12, but also effectively improves the installation stability and operation convenience of the test connector 125.

[0038] In the present embodiment, the outer peripheral wall 103, the bottom wall 102 of the base 10 and the cover plate 11 jointly form a housing structure, which comprises a cylindrical portion, and the slider 12 has a cylindrical structure matching the cylindrical portion, so as to ensure that the slider 12 can slide radially in the accommodating space P and form a stable fit with the base 10.

[0039] The elastic members 13 and 14, for example, O-rings, are arranged on the first surface 121 and the second surface 122 of the slider 12 respectively. The elastic member 13 is arranged on the first surface 121 of the slider 12 and tightly contacts the inner surface of the cover plate 11, and the elastic member 14 is arranged on the second surface 122 of the slider 12 and tightly contacts the inner surface of the bottom wall 102 of the base 10. The arrangement of the structure not only provides effective buffering and support during the test, but also ensures that the slider 12 can stably slide radially in the accommodating space P and allow it to be centered according to the eccentricity of the joint 125 under test. In addition, in the present embodiment, the first connecting hole 120 of the slider 12 is a through hole, and the floating centering test fixture 1 can be connected to a medium pressure source (not shown in the figure), allowing fluid to pass through the base 10, the slider 12 and the joint 125 under test. For this application, in addition to providing the floating function of the slider 12, the elastic members 13 and 14 also realize the sealing function. The elastic member 13 arranged on the first surface 121 of the slider 12 can ensure the sealing between the slider 12 and the cover plate 11, and the elastic member 14 arranged on the second surface 122 of the slider 12 provides the sealing between the slider 12 and the bottom wall 102 of the base 10, thereby effectively preventing fluid leakage and ensuring the safety and accuracy of the test process.

[0040] In the present embodiment, the floating centering test fixture 1 further comprises a fixing seat 15 for fixing the test fixture to an external device (not shown in the figure) providing a medium pressure source (fluid). The fixing seat 15 is connected to the base 10, and a third connecting structure 151 with external thread structure is arranged on the fixing seat 15, which cooperates with the second connecting hole 1020 of the base 10 to connect the fixing seat 15 and the base 10. Through the above arrangement, the stable installation of the entire fixture in practical application is realized.

[0041] The first connecting hole 120 of the slider 12 and the first through hole 110 of the cover plate 11 are connected, so that the measured joint 125 is inserted from the outside and is stably locked. The first connecting hole 120 is a through hole, and during the test process, a medium pressure source can be input or output from the outside of the base 10, so that fluid can flow through the slider 12 and the measured joint 125, and various test conditions can be simulated. The elastic members 13 and 14 are arranged to support the stable radial sliding of the slider 12 in the containing space P, so that the centering accuracy and test stability are significantly improved. In addition, the elastic members 13 and 14 also have sealing performance at the same time, which can effectively prevent fluid leakage and ensure the safety and reliability of the test process. Therefore, the floating centering test fixture 1 is particularly suitable for server liquid cooling and other applications that require high sealing and precision for quick-release joints. In addition, the second connecting hole 1020 of the bottom wall 102 of the base 10 is connected with the third connecting structure 151 of the fixing seat 15, and is connected with an external device (not shown in the figure) providing a medium pressure source through the fixing seat 15, further improving the installation convenience.

[0042] Please refer to Figure 4 、 Figure 5 as shown. Figure 4 It is a structure schematic view of the floating centering test fixture of the second embodiment of the utility model. Figure 5 It is a sectional view schematic view of the floating centering test fixture of the second embodiment of the utility model.

[0043] Compared with the first embodiment, the main difference of the floating centering test fixture 1' of the second embodiment of the utility model is that the form of the first connecting hole 120' of the slider 12' and the application requirement are different. The slider 12' is arranged in the containing space P' and is clamped by the bottom wall of the base 10' and the cover plate 11', and can slide in the radial direction, and the functions of buffering and centering adjustment are provided by the two elastic members 13' and 14', and the arrangement is the same as that of the first embodiment. A first connecting hole 120' is arranged at the center of the slider 12' along the axial direction of the slider 12', and the first connecting hole 120' is changed from a through hole to a blind hole, and a first connecting structure 123' (such as a threaded structure) is arranged on the inner wall, so as to lock or connect the measured joint 125'. Since the first connecting hole 120' is designed as a blind hole, the blind hole structure does not penetrate the whole slider 12', and is suitable for a test application scenario in which fluid medium does not need to flow from the bottom wall of the base 10' to the measured joint 125' (up and down communication) through the slider 12'. The basic structures of other components such as the base 10', the cover plate 11' and the slider 12' are the same as those of the first embodiment, and the related details have been described in the foregoing description, which will not be repeated here.

[0044] The floating centering test fixture 1' of the embodiment adopts a slide block 12' designed as a blind hole, which is suitable for application scenarios that only need to simulate the floating centering and one-way sealing functions of the tested connector 125'.

[0045] Please refer to Figure 6 as shown. Figure 6 The floating centering test fixture of the embodiment is shown in an operating state.

[0046] As Figure 5 , Figure 6 shown, the floating centering test fixture 1' can be installed on a plane through the second connecting hole 1020' of the base 10'. The plug-in end tested connector 125' can be firmly fixed in the first connecting hole 120' of the slide block 12' and extend to the outside of the cover plate 11' through the first through hole of the cover plate 11'. When the plug-in end tested connector 125' and the other receiving end tested connector F' are repeatedly inserted and pulled for reliability testing, the two elastic members 13', 14' can provide floating support for the slide block 12', so that the slide block 12' can slide radially in the base 10' to correct the centering deviation. This design effectively solves the centering deviation problem caused by the machining tolerance or installation error between the plug-in end tested connector 125' and the receiving end tested connector F', thereby improving the accuracy and stability of the test and preventing the plug-in end connector 125' from damaging the sealing ring in the receiving end connector.

[0047] The floating centering test fixture of the embodiment can make the slide block be clamped between the base bottom wall and the cover plate in the accommodating space and stably slide radially, thereby significantly improving the centering accuracy and test stability of the tested connector. The slide block is provided with a first connecting hole and a connecting structure, which can adapt to different forms of tested connectors and provide firm fixing function. The two elastic members not only provide floating support for the slide block, but also have sealing effect when the slide block is designed as a through hole, effectively preventing fluid leakage and thereby ensuring the accuracy and reliability of the test. In addition, the base is provided with a connecting hole and stably connected with an external device through a fixing seat to realize medium conveying, so that the fixture is particularly suitable for server liquid cooling and other high-requirement quick-release connector test occasions. The utility model effectively solves the centering deviation problem caused by machining tolerance or installation error, prevents connector damage, and ensures the authenticity and stability of multiple insertion and pull-out tests.

Claims

1. A floating centering test fixture, characterized by, The utility model relates to a connector, comprising: a base, having a bottom wall and a peripheral wall arranged around the outer edge of the bottom wall, the peripheral wall being provided with a joint surface away from one end of the bottom wall, the bottom wall and the peripheral wall jointly defining a containing space; a cover plate arranged on the joint surface of the base and provided with a first through hole; a slider arranged in the containing space and capable of sliding in a direction perpendicular to the axis of the base, the slider having a first surface and a second surface, the first surface and the second surface being respectively located at two ends of the slider along its own axis direction, the slider being provided with a first connecting hole, the first connecting hole being provided with a first connecting structure for connecting a measured connector, and the first connecting hole corresponding to the first through hole of the cover plate; and two elastic members respectively arranged on the first surface and the second surface of the slider, wherein the elastic member arranged on the first surface is in contact with the cover plate, and the elastic member arranged on the second surface is in contact with the bottom wall of the base.

2. The floating centering test fixture of claim 1, wherein, The first connecting hole is a through hole, the inner wall of the first connecting hole is provided with the first connecting structure, and the first connecting structure is a threaded structure.

3. The floating centering test fixture of claim 1, wherein, The first connecting hole is a blind hole, the inner wall of the first connecting hole is provided with the first connecting structure, and the first connecting structure is a threaded structure.

4. The floating centering test fixture of claim 1, wherein, The bottom wall of the base is provided with a second connecting hole, and the second connecting hole is provided with a second connecting structure.

5. The floating centering test fixture of claim 4, wherein, The inner wall of the second connecting hole is provided with the second connecting structure, and the second connecting structure is a threaded structure.

6. The floating centering test fixture of claim 2, wherein: Further comprising a fixing seat connected with the base, the fixing seat being provided with a third connecting structure, the fixing seat being connected with the second connecting hole of the base through the third connecting structure.

7. The floating centering test fixture of claim 2, wherein The elastic member arranged on the first surface of the slider is also used to provide sealing between the slider and the cover plate, the elastic member arranged on the second surface of the slider is also used to provide sealing between the slider and the bottom wall of the base, and the two elastic members jointly provide sliding support for the slider in the base.

8. The floating centering test fixture of claim 1, wherein: Further comprising a fixing rod, the peripheral wall of the base being provided with at least one first fixing hole, the first fixing hole being a through hole, the peripheral wall of the slider being provided with at least one second fixing hole, the fixing rod being used to pass through the first fixing hole and insert into the second fixing hole to fix the slider on the base.

9. The floating centering test fixture of claim 1, wherein, The peripheral wall, the bottom wall and the cover plate jointly constitute a shell structure, the shell structure comprising a cylindrical part, and the slider having a cylindrical structure matched with the cylindrical part.

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