Plugging test fixture

Abstract

The invention relates to the technical field of clamps, and discloses a plugging test clamp, which comprises a clamping mechanism, a first floating mechanism and a second floating mechanism, the first floating mechanism and the second floating mechanism are oppositely arranged in a spaced mode in the first direction, and the first floating mechanism and the second floating mechanism can get away from and get close to each other in the first direction; the end, facing the second floating mechanism, of the first floating mechanism is connected with a clamping mechanism, and the end, facing the first floating mechanism, of the second floating mechanism is connected with a clamping mechanism. If the two building blocks are not completely aligned in the inserting and pulling direction, the clamping mechanisms corresponding to the two building blocks float in the mutual inserting and connecting process of the two building blocks, so that the two building blocks are smoothly inserted and connected together, the two building blocks are reset after the two building blocks are pulled out, and in cycles, in the long-term continuous inserting and pulling process of the two building blocks, the two building blocks are not completely aligned in the inserting and pulling direction. Therefore, the long-term continuous plugging and unplugging test of the building block can be completed, and a relatively accurate test result can be obtained.

Description

Technical Field

[0001] The invention relates to the technical field of fixtures, and in particular to a plug-in test fixture. Background Art

[0002] At present, some products need to verify their performance through plug-in and pull-out tests, such as plug-in and pull-out tests for toy building blocks, which use a plug-in and pull-out force testing machine to perform plug-in and pull-out tests. In the building block plug-in and pull-out test, two building blocks are clamped on the plug-in and pull-out force testing machine by fixtures, and the two building blocks need to undergo a long-term continuous plug-in and pull-out process. During this process, it is necessary to ensure that the two building blocks are fully aligned to ensure that the two building blocks can complete the long-term continuous plug-in and pull-out test. However, in actual applications, the alignment of the two building blocks is achieved by manually adjusting the position of the fixture that clamps the building blocks. When adjusting the alignment of the building blocks in this way, it is inevitable that the two building blocks will have a slight radial offset (perpendicular to the plug-in and pull-out direction), that is, the two building blocks are not fully aligned in the plug-in and pull-out direction. In this case, the two building blocks will collide during the re-insertion process, which may affect the accuracy of the test results at the least, or the test equipment may shut down at the worst, which results in the plug-in and pull-out test failing to be completed smoothly. Summary of the invention

[0003] The purpose of the present invention is to provide a plug-in test fixture, which is applied to the plug-in test of building blocks, can complete the long-term continuous plug-in test of building blocks, and can obtain relatively accurate test results.

[0004] In order to achieve the above-mentioned object, the present invention provides a plug-in test fixture suitable for plug-in test of building blocks, comprising a clamping mechanism, a first floating mechanism and a second floating mechanism;

[0005] The first floating mechanism and the second floating mechanism are arranged opposite to each other and spaced apart along a first direction, and the first floating mechanism and the second floating mechanism can move away from and approach each other along the first direction;

[0006] The clamping mechanism is connected to one end of the first floating mechanism facing the second floating mechanism, and the first floating mechanism is used to enable the clamping mechanism thereon to float when subjected to force and to reset when no external force is applied;

[0007] The clamping mechanism is connected to one end of the second floating mechanism facing the first floating mechanism, and the second floating mechanism is used to enable the clamping mechanism thereon to float when subjected to force and to reset when no external force is applied.

[0008] In a specific embodiment of the present invention, the plug-in test fixture has a second direction and a third direction, and the first direction, the second direction and the third direction are perpendicular to each other;

[0009] The first floating mechanism includes a first connecting seat, a second connecting seat, a third connecting seat, a first floating assembly and a second floating assembly;

[0010] The first connecting seat is used to connect to the insertion force testing machine;

[0011] The second connection seat is connected to the first connection seat through the first floating assembly, and the first floating assembly is used to enable the second connection seat to float in the second direction;

[0012] The third connection seat is connected to the second connection seat through the second floating assembly, the clamping mechanism is connected to the third connection seat, and the second floating assembly is used to enable the third connection seat to float in the third direction;

[0013] The third connecting seat, the second connecting seat and the first connecting seat are arranged along the first direction.

[0014] In a specific embodiment of the present invention, the first floating assembly includes a first elastic member, a first slide rail and a first slide block;

[0015] The first slide rail is fixedly connected to the first connecting seat, the first slider is fixedly connected to the second connecting seat and slidably connected to the first slide rail, and the first elastic member is fixedly connected to the first connecting seat and contacts the first slider, wherein the first slider can slide along the second direction, and the first elastic member is provided at both ends of the first slider in the second direction.

[0016] In a specific embodiment of the present invention, the second floating assembly includes a second elastic member, a second slide rail and a second slide block;

[0017] The second slide rail is fixedly connected to the second connecting seat, the second slider is fixedly connected to the third connecting seat and slidably connected to the second slide rail, and the second elastic member is fixedly connected to the second connecting seat and contacts the second slider, wherein the second slider can slide along the third direction, and the second elastic member is provided at both ends of the second slider in the third direction.

[0018] In a specific embodiment of the present invention, it further includes a ball joint bearing, which is connected to an end of the first connecting seat away from the second connecting seat, and the ball joint bearing is used to connect to the insertion and extraction force testing machine.

[0019] In a specific embodiment of the present invention, the plug-in test fixture has a second direction and a third direction, and the first direction, the second direction and the third direction are perpendicular to each other;

[0020] The second floating mechanism includes a first fixed seat, a second fixed seat, a third fixed seat, a third floating assembly and a fourth floating assembly;

[0021] The first fixing seat is used to connect with the insertion force testing machine;

[0022] The second fixing seat is slidably connected to the first fixing seat, the third floating assembly connects the first fixing seat and the second fixing seat, and the third floating assembly is used to enable the second fixing seat to float along the third direction and to reset after floating;

[0023] The third fixing seat is slidably connected to the second fixing seat, the fourth floating assembly connects the second fixing seat and the third fixing seat, and the fourth floating assembly is used to enable the third fixing seat to float along the second direction and reset after floating;

[0024] The clamping mechanism is connected to the third fixing seat, and the first fixing seat, the second fixing seat, and the third fixing seat are arranged along the first direction.

[0025] In a specific embodiment of the present invention, the third floating assembly includes a first mounting seat, a first screw adjustment member and a third elastic member;

[0026] The first mounting seat is connected to one end of the first fixing seat in the third direction;

[0027] The first screw adjusting member is connected to the first mounting seat, and one end of the first screw adjusting member in the third direction is in contact with the second fixing seat;

[0028] The third elastic member is in the shape of a strip, and the length direction of the third elastic member is the third direction. One end of the third elastic member along its length direction is connected to the first fixing seat, and the other end is connected to the second fixing seat. The third elastic member is used to tighten the second fixing seat so that the second fixing seat is in close contact with the first screw adjustment member.

[0029] In a specific embodiment of the present invention, the fourth floating assembly includes a second mounting seat, a second screw adjustment member and a fourth elastic member;

[0030] The second mounting seat is connected to one end of the second fixing seat in the second direction;

[0031] The second screw adjusting member is connected to the second mounting seat, and one end of the second screw adjusting member in the second direction is in contact with the third fixing seat;

[0032] The fourth elastic member is in the shape of a strip, and the length direction of the fourth elastic member is the second direction. One end of the fourth elastic member along its length direction is connected to the second fixing seat, and the other end is connected to the third fixing seat. The fourth elastic member is used to tighten the third fixing seat so that the third fixing seat is in close contact with the second screw adjustment member.

[0033] In a specific embodiment of the present invention, the tension of the third elastic member is greater than the tension of the fourth elastic member.

[0034] In a specific embodiment of the present invention, the clamping mechanism comprises a first clamping block, a second clamping block, an eccentric cam type clamping rod and a fifth elastic member;

[0035] The first clamping block and the second clamping block are arranged at intervals, the fifth elastic member is arranged between the first clamping block and the second clamping block, the first clamping block and the second clamping block are both in contact with the fifth elastic member, the eccentric cam type clamping rod connects the first clamping block and the second clamping block, and the eccentric cam type clamping rod is used to drive the second clamping block to approach the first clamping block;

[0036] Wherein, in the clamping mechanism connected to the first floating mechanism, the first clamping block is fixedly connected to the first floating mechanism;

[0037] In the clamping mechanism connected to the second floating mechanism, the first clamping block is fixedly connected to the second floating mechanism.

[0038] The plug-in test fixture according to the embodiment of the present invention has the following beneficial effects compared with the prior art:

[0039] In the plug-in and pull-out test fixture of the embodiment of the present invention, in actual application, the first floating mechanism and the second floating mechanism are both connected to the plug-in and pull-out force testing machine. When the plug-in and pull-out test is applied to the building block plug-in and pull-out test, the clamping mechanism on the first floating mechanism clamps one of the building blocks, and the clamping mechanism on the second floating mechanism clamps the other building block, and the positions of the first floating mechanism and the second floating mechanism are manually adjusted to align the two building blocks in the first direction. Since the first floating mechanism is used to enable the clamping mechanism on it to float and reset after floating, and the second floating mechanism is used to enable the clamping mechanism on it to float and reset after floating, thus, if the two building blocks are aligned in the plug-in and pull-out direction (the first floating mechanism), the first floating mechanism and the second floating mechanism are manually adjusted to align the two building blocks in the first direction. If the two blocks are not completely aligned in one direction, then, during the process of plugging the two blocks together, the two blocks will be subjected to the force exerted by the other party, and thus, the clamping mechanisms corresponding to the two blocks will float, so that the two blocks can be smoothly plugged together without collision. After the two blocks are pulled out of each other, the two blocks lose the force exerted by the other party, and thus, the clamping mechanisms corresponding to the two blocks will be reset, and the two blocks will not collide during the long-term continuous plugging and unplugging process. Therefore, the plug-in test fixture is applied to the plug-in test of the blocks, so that the long-term continuous plug-in test of the blocks can be completed, and a relatively accurate test result can be obtained;

[0040] In addition, since the first floating mechanism and the second floating mechanism can both float the clamping mechanisms thereon when the building blocks are not fully aligned in the first direction, the relative positions of the two building blocks in the first direction can be more easily adjusted, thereby improving the flexibility of insertion. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 is a stereoscopic diagram of a plug-in test fixture according to an embodiment of the present invention;

[0042] Figure 2 It is a front view of the clamping mechanism, the first floating mechanism and the ball joint bearing according to the embodiment of the present invention;

[0043] Figure 3 is a cross-sectional view of the cooperation between the clamping mechanism and the first floating mechanism according to an embodiment of the present invention;

[0044] Figure 4 is an exploded view of the first floating mechanism of an embodiment of the present invention;

[0045] Figure 5 It is a three-dimensional diagram of the cooperation between the clamping mechanism and the second floating mechanism according to an embodiment of the present invention.

[0046] In the figure, Z is the first direction; X is the second direction; Y is the third direction; 1. clamping mechanism; 11. first clamping block; 12. second clamping block; 13. eccentric cam clamping rod; 14. fifth elastic member; 2. first floating mechanism; 21. first connecting seat; 22. second connecting seat; 23. third connecting seat; 24. first floating assembly; 241. first elastic member; 242. first slide rail; 243. first slider; 25. second floating assembly; 251. second elastic member; 252. second slide rail; 253. second slider; 3. second floating mechanism; 31. first fixed seat; 32. second fixed seat; 33. third fixed seat; 34. third floating assembly; 341. first mounting seat; 342. first screw adjusting member; 343. third elastic member; 35. fourth floating assembly; 351. second mounting seat; 352. second screw adjusting member; 353. fourth elastic member; 4. ball joint bearing. DETAILED DESCRIPTION

[0047] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0048] like Figure 1 As shown, a plug-in test fixture of an embodiment of the present invention is suitable for plug-in test of building blocks, and the plug-in test fixture has a first direction Z, a second direction X and a third direction Y that are perpendicular to each other, wherein the plug-in test fixture includes a clamping mechanism 1, a first floating mechanism 2 and a second floating mechanism 3; the first floating mechanism 2 and the second floating mechanism 3 are arranged opposite to each other and at intervals along the first direction Z, and the first floating mechanism 2 and the second floating mechanism 3 can move away from and approach each other along the first direction Z; the first floating mechanism 2 is connected to the clamping mechanism 1 at one end facing the second floating mechanism 3, and the first floating mechanism 2 is used to enable the clamping mechanism 1 thereon to float when subjected to force and to reset when the external force is lost; the second floating mechanism 3 is connected to the clamping mechanism 1 at one end facing the first floating mechanism 2, and the second floating mechanism 3 is used to enable the clamping mechanism 1 thereon to float when subjected to force and to reset when the external force is lost.

[0049] In practical applications, the first floating mechanism 2 and the second floating mechanism 3 are both connected to the insertion and extraction force testing machine. When the machine is used in the plugging and extraction test of building blocks, the clamping mechanism 1 on the first floating mechanism 2 clamps one of the building blocks, and the clamping mechanism 1 on the second floating mechanism 3 clamps the other building block, and the positions of the first floating mechanism 2 and the second floating mechanism 3 are manually adjusted to align the two building blocks in the first direction X. Since the first floating mechanism 2 is used to enable the clamping mechanism 1 thereon to float and reset after floating, and the second floating mechanism 3 is used to enable the clamping mechanism 1 thereon to float and reset after floating, if the two building blocks are inserted and pulled out, If the two blocks cannot be completely aligned in the pulling direction (first direction Z), then, during the process of plugging the two blocks into each other, the clamping mechanisms 1 corresponding to the two blocks will float, so that the two blocks can be smoothly plugged together, and the two blocks will not collide. After the two blocks are pulled out of each other, the two blocks lose the force applied by each other, and thus, the clamping mechanisms 1 corresponding to the two blocks will be reset, and the cycle repeats. During the long-term continuous plugging and unplugging process, the two blocks will not collide. Therefore, applying the plug-in test fixture to the plug-in test of the blocks can complete the long-term continuous plug-in test of the blocks, and can obtain more accurate test results.

[0050] In addition, since the building blocks are not completely aligned in the first direction X, the first floating mechanism 2 and the second floating mechanism 3 can both float the clamping mechanism 1 thereon, thereby making it easier to adjust the relative positions of the two building blocks in the first direction X, thereby improving the flexibility of insertion.

[0051] The above-mentioned plugging and extraction force testing machine is a prior art, and this application will not go into too much detail about it. Among them, the plugging and extraction force testing machine includes an upper chuck and a lower chuck, and the upper chuck and the lower chuck can approach and move away from each other along a first direction Z. The first floating mechanism 2 is connected to the upper chuck, and the second floating mechanism 3 is connected to the lower chuck. The upper chuck drives the first floating mechanism 2 to move toward or away from the lower chuck, thereby realizing the plugging and unplugging of two building blocks.

[0052] The first floating mechanism 2 includes a first connecting seat 21, a second connecting seat 22, a third connecting seat 23, a first floating component 24 and a second floating component 25; the first connecting seat 21 is used to connect with the upper clamp of the plug-in force testing machine; the second connecting seat 22 is connected to the first connecting seat 21 through the first floating component 24, and the first floating component 24 is used to enable the second connecting seat 22 to float in the second direction X; the third connecting seat 23 is connected to the second connecting seat 22 through the second floating component 25, the clamping mechanism 1 is connected to the third connecting seat 23, and the second floating component 25 is used to enable the third connecting seat 23 to float in the third direction Y; the third connecting seat 23, the second connecting seat 22 and the first connecting seat 21 are arranged along the first direction Z, thereby, the first floating mechanism 2 can enable the corresponding clamping mechanism 1 to float along the second direction X and the third direction Y, and the ability of the clamping mechanism 1 to float in these two directions is sufficient to enable two building blocks that cannot be fully aligned in the plug-in direction to be smoothly plugged together, without the need to set up more floating components, with a simple structure and low manufacturing cost.

[0053] Furthermore, the first floating assembly 24 includes a first elastic member 241, a first slide rail 242 and a first slider 243; the first slide rail 242 is fixedly connected to the first connecting seat 21, the first slider 243 is fixedly connected to the second connecting seat 22 and slidably connected to the first slide rail 242, the first elastic member 241 is fixedly connected to the first connecting seat 21 and contacts the first slider 243, wherein the first slider 243 can slide along the second direction X, and the first elastic member 241 is provided at both ends of the first slider 243 in the second direction X; in actual application, if the two building blocks cannot be moved in the first direction Z, When the two blocks are fully aligned and the clamping mechanism 1 needs to float in the second direction X, after the two blocks come into contact, the blocks will be subjected to force and transmit the force to the second connecting seat 22 and the first slider 243. At this time, the first slider 243 will slide along the second direction X, thereby realizing the floating of the second connecting seat 22, so that the two blocks can be smoothly plugged in; and the setting of the first elastic member 241 can make the first slider 243 reset after the two blocks are separated, thereby ensuring that the position of the second connecting seat 22 will not deviate from the initial position after the two blocks are separated, thereby ensuring the smooth progress of the long-term continuous plug-in and pull-out test of the blocks.

[0054] The first elastic member 241 is a spring. There can be multiple first elastic members 241 on both sides of the first sliding block 243. The first floating assembly 24 of this structure has a simple structure, is easy to install and has a low manufacturing cost.

[0055] Furthermore, the second floating assembly 25 includes a second elastic member 251, a second slide rail 252 and a second slider 253; the second slide rail 252 is fixedly connected to the second connecting seat 22, the second slider 253 is fixedly connected to the third connecting seat 23 and slidably connected to the second slide rail 252, the second elastic member 251 is fixedly connected to the second connecting seat 22 and contacts the second slider 253, wherein the second slider 253 can slide along the third direction Y, and the second elastic member 251 is provided at both ends of the second slider 253 in the third direction Y; similarly, if the two building blocks cannot be completely moved in the first direction Z, When the two blocks are fully aligned and the clamping mechanism 1 needs to float in the third direction Y, after the two blocks come into contact, the blocks will be subjected to force and transmit the force to the third connecting seat 23 and the second slider 253. At this time, the second slider 253 will slide along the third direction Y, thereby realizing the floating of the third connecting seat 23, so that the two blocks can be smoothly plugged in; and the setting of the second elastic member 251 can enable the second slider 253 to reset after the two blocks are separated, thereby ensuring that the position of the third connecting seat 23 will not deviate from the initial position after the two blocks are separated, thereby ensuring the smooth progress of the long-term continuous plug-in and pull-out test of the blocks.

[0056] The second elastic member 251 is also a spring. There can be multiple second elastic members 251 on both sides of the second slider 253. The second floating assembly 25 of this structure has a simple structure, is easy to install and has a low manufacturing cost.

[0057] In addition, in the first floating mechanism 2, the second connecting seat 22 and the third connecting seat 23 can float simultaneously, that is, while the second connecting seat 22 floats in the second direction X, the third connecting seat 23 floats in the third direction Y, thereby ensuring the smooth implementation of the long-term continuous plug-in and pull-out test of the building blocks.

[0058] Optionally, the insertion and extraction force testing machine also includes a ball joint bearing 4, which is connected to one end of the first connecting seat 21 away from the second connecting seat 22, and is used to connect to the upper chuck of the insertion and extraction force testing machine. The setting of the ball joint bearing 4 allows the first floating mechanism 2 to have a certain float, and under the action of gravity, the first floating mechanism 2 and the clamping mechanism 1 thereon can maintain a natural drooping state, thereby further ensuring the smooth progress of the long-term continuous insertion and extraction test of the building blocks.

[0059] Furthermore, the second floating mechanism 3 includes a first fixed seat 31, a second fixed seat 32, a third fixed seat 33, a third floating assembly 34 and a fourth floating assembly 35; the first fixed seat 31 is used to connect with the lower clamp of the plugging and extraction force testing machine; the second fixed seat 32 is slidably connected to the first fixed seat 31, the third floating assembly 34 connects the first fixed seat 31 and the second fixed seat 32, and the third floating assembly 34 is used to enable the second fixed seat 32 to float along the third direction Y and to reset after floating; the third fixed seat 33 is slidably connected to the second fixed seat 32, the fourth floating assembly 35 connects the second fixed seat 32 and the third fixed seat 33, and the fourth floating assembly 35 is used to enable the third fixed seat 33 to float along the third direction Y The second direction X floats and can be reset after floating; the clamping mechanism 1 is connected to the third fixing seat 33, and the first fixing seat 31, the second fixing seat 32, and the third fixing seat 33 are arranged along the first direction Z, that is, the second fixing seat 32 can float along the third direction Y, and the third fixing seat 33 can float along the second direction X. Therefore, if the two building blocks are not completely aligned in the plugging and unplugging direction, then when the two building blocks are in contact, the two clamping mechanisms 1 clamping the two building blocks can both float in the second direction X and the third direction Y, and both have relatively high adaptability, thereby further reducing the possibility of collision between the two building blocks, thereby further ensuring the smooth progress of the long-term continuous plugging and unplugging test of the building blocks.

[0060] The third floating assembly 34 includes a first mounting seat 341, a first screw adjustment member 342 and a third elastic member 343; the first mounting seat 341 is connected to one end of the first fixed seat 31 in the third direction Y; the first screw adjustment member 342 is connected to the first mounting seat 341, and one end of the first screw adjustment member 342 in the third direction Y contacts the second fixed seat 32; the third elastic member 343 is strip-shaped, and the length direction of the third elastic member 343 is the third direction Y. One end of the third elastic member 343 along its length direction is connected to the first fixed seat 31, and the other end is connected to the second fixed seat 32. The third elastic member 343 is used to tighten the second fixed seat 32 so that the second fixed seat 32 and the first screw adjustment member 342 are in close contact; the third floating component 34 of this structure realizes the floating of the second fixed seat 32 by deforming the third elastic member 343 along its length direction. It has a simple structure and is easy to install. In addition, the cooperation of the first screw adjustment member 342 and the third elastic member 343 can enable the second fixed seat 32 to have a relatively fixed position without floating, and the position of the second fixed seat 32 can be adjusted along the third direction Y through the first screw adjustment member 342, thereby enabling the two building blocks to be aligned in the plug-in and pull-out direction, thereby ensuring the smooth progress of the long-term continuous plug-in and pull-out test of the building blocks.

[0061] The third elastic member 343 is also a spring, and the third elastic member 343 is disposed on both sides of the first mounting seat 341 along the third direction Y, so that the tension on the second fixing seat 32 is balanced.

[0062] The first screw adjustment member 342 refers to an adjustment mechanism with a screw as the main structure, which is easy to operate by rotating the screw to move the screw in the third direction Y and pushing the second fixed seat 32 to move along the third direction Y, thereby realizing position adjustment of the second fixed seat 32.

[0063] The fourth floating assembly 35 includes a second mounting seat 351, a second screw adjusting member 352 and a fourth elastic member 353; the second mounting seat 351 is connected to one end of the second fixing seat 32 in the second direction X; the second screw adjusting member 352 is connected to the second mounting seat 351, and one end of the second screw adjusting member 352 in the second direction X contacts the third fixing seat 33; the fourth elastic member 353 is strip-shaped, the length direction of the fourth elastic member 353 is the second direction X, one end of the fourth elastic member 353 along its length direction is connected to the second fixing seat 32, and the other end is connected to the third fixing seat 33, and the fourth elastic member 353 is used to tighten the third fixing seat 33 So that the third fixed seat 33 and the second screw adjustment member 352 are in close contact with each other; similarly, the fourth floating component 35 of this structure realizes the floating of the third fixed seat 33 by deforming the fourth elastic member 353 along its length direction. It has a simple structure and is easy to install. In addition, the cooperation between the second screw adjustment member 352 and the fourth elastic member 353 can enable the third fixed seat 33 to have a relatively fixed position without floating, and the position of the third fixed seat 33 can be adjusted along the second direction X through the second screw adjustment member 352, thereby enabling the two building blocks to be aligned in the plug-in and pull-out direction, thereby ensuring the smooth progress of the long-term continuous plug-in and pull-out test of the building blocks.

[0064] The fourth elastic member 353 is also a spring, and the fourth elastic member 353 is disposed on both sides of the second mounting seat 351 along the second direction X, so that the tension on the third fixing seat 33 is balanced.

[0065] The structure of the second screw adjusting member 352 is the same as that of the first screw adjusting member 342 . The screw is rotated to move in the second direction X, and the screw pushes the third fixing seat 33 to move along the second direction X, thereby realizing position adjustment of the third fixing seat 33 , which is easy to operate.

[0066] Based on the third floating assembly 34 and the fourth floating assembly 35 of the above structure, the second floating mechanism 3 can not only make its corresponding clamping mechanism 1 float in the second direction X and the third direction Y, but also play the role of fixing and adjusting the position of its corresponding clamping mechanism 1, which is more conducive to the smooth implementation of the long-term continuous insertion and extraction test of building blocks.

[0067] Furthermore, the pulling force of the third elastic member 343 is greater than the pulling force of the fourth elastic member 353, and thus, the floating distance of the second fixed seat 32 in the second direction X will be smaller than the floating distance of the third fixed seat 33 in the third direction Y. Based on this, the clamping mechanism 1 on the second floating mechanism 3 will not have a large positional deviation during the plugging and unplugging of building blocks, that is, the floating amplitude of the clamping mechanism 1 on the second floating mechanism 3 during the plugging and unplugging of building blocks is reduced, and the setting of the first floating mechanism 2 ensures that the clamping mechanism 1 thereon has sufficient floating amplitude during the plugging and unplugging of building blocks, which is beneficial to ensuring the smooth progress of the long-term continuous plugging and unplugging test of building blocks, and is beneficial to improving the accuracy of the test results.

[0068] The clamping mechanism 1 includes a first clamping block 11, a second clamping block 12, an eccentric cam clamping rod 13 and a fifth elastic member 14; the first clamping block 11 and the second clamping block 12 are arranged at intervals, the fifth elastic member 14 is arranged between the first clamping block 11 and the second clamping block 12, the first clamping block 11 and the second clamping block 12 are both in contact with the fifth elastic member 14, the eccentric cam clamping rod 13 connects the first clamping block 11 and the second clamping block 12, and the eccentric cam clamping rod 13 is used to drive the second clamping block 12 to approach the first clamping block 11; wherein, in the clamping mechanism 1 connected to the first floating mechanism 2, the first clamping block 11 is fixedly connected to the first floating mechanism 2; the clamping mechanism 1 connected to the second floating mechanism 3 In the embodiment, the first clamping block 11 is fixedly connected to the second floating mechanism 3; specifically, the clamping mechanism 1 adopts an eccentric cam type clamping rod 13, which can realize the rapid clamping of building blocks, is easy to operate and has a relatively high building block fixing efficiency; in actual application, when the eccentric cam type clamping rod 13 does not make the second clamping block 12 close to the first clamping block 11, the fifth elastic member 14 makes the first clamping block 11 and the second clamping block 12 maintain a certain distance, thereby ensuring that the building block can be placed between the first clamping block 11 and the second clamping block 12, and when the eccentric cam type clamping rod 13 drives the second clamping block 12 to approach the first clamping block 11, the fifth elastic member 14 will be compressed, and the first clamping block 11 and the second clamping block 12 clamp the building block.

[0069] The fifth elastic member 14 is also a spring, which has a simple structure and is easy to install.

[0070] The above-mentioned eccentric cam type clamping rod 13 is a prior art, which has a handle. The second clamping block 12 is moved toward the first clamping block 11 by driving the handle to rotate. This application will not go into details about this.

[0071] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A plug-in test fixture, characterized in that: It comprises a clamping mechanism (1), a first floating mechanism (2) and a second floating mechanism (3); The first floating mechanism (2) and the second floating mechanism (3) are arranged opposite to each other and spaced apart along a first direction (Z); the first floating mechanism (2) and the second floating mechanism (3) can move away from and approach each other along the first direction (Z); The clamping mechanism (1) is connected to one end of the first floating mechanism (2) facing the second floating mechanism (3), and the first floating mechanism (2) is used to enable the clamping mechanism (1) thereon to float when subjected to force and to return to its original position after floating when no external force is applied; The clamping mechanism (1) is connected to one end of the second floating mechanism (3) facing the first floating mechanism (2), and the second floating mechanism (3) is used to enable the clamping mechanism (1) thereon to float when subjected to force and to return to its original position when no external force is applied.

2. The plug-in test fixture according to claim 1, characterized in that: The plug-in test fixture has a second direction (X) and a third direction (Y), and the first direction (Z), the second direction (X) and the third direction (Y) are perpendicular to each other; The first floating mechanism (2) comprises a first connecting seat (21), a second connecting seat (22), a third connecting seat (23), a first floating assembly (24) and a second floating assembly (25); The first connecting seat (21) is used to connect to an insertion force testing machine; The second connecting seat (22) is connected to the first connecting seat (21) via the first floating assembly (24), and the first floating assembly (24) is used to enable the second connecting seat (22) to float in the second direction (X); The third connection seat (23) is connected to the second connection seat (22) via the second floating assembly (25), the clamping mechanism (1) is connected to the third connection seat (23), and the second floating assembly (25) is used to enable the third connection seat (23) to float in the third direction (Y); The third connecting seat (23), the second connecting seat (22) and the first connecting seat (21) are arranged along the first direction (Z).

3. The plug-in test fixture according to claim 2, characterized in that: The first floating assembly (24) comprises a first elastic member (241), a first slide rail (242) and a first slide block (243); The first slide rail (242) is fixedly connected to the first connecting seat (21), the first slider (243) is fixedly connected to the second connecting seat (22) and slidably connected to the first slide rail (242), the first elastic member (241) is fixedly connected to the first connecting seat (21) and is in contact with the first slider (243), wherein the first slider (243) is capable of sliding along the second direction (X), and the first elastic member (241) is provided at both ends of the first slider (243) in the second direction (X).

4. The plug-in test fixture according to claim 2, characterized in that: The second floating assembly (25) comprises a second elastic member (251), a second slide rail (252) and a second slide block (253); The second slide rail (252) is fixedly connected to the second connecting seat (22), the second slider (253) is fixedly connected to the third connecting seat (23) and slidably connected to the second slide rail (252), the second elastic member (251) is fixedly connected to the second connecting seat (22) and contacts the second slider (253), wherein the second slider (253) can slide along the third direction (Y), and the second elastic member (251) is provided at both ends of the second slider (253) in the third direction (Y).

5. The plug-in test fixture according to claim 2, characterized in that: It also includes a ball joint bearing (4), which is connected to one end of the first connecting seat (21) away from the second connecting seat (22), and is used to be connected to an insertion and extraction force testing machine.

6. The plug-in test fixture according to claim 1, characterized in that: The plug-in test fixture has a second direction (X) and a third direction (Y), and the first direction (Z), the second direction (X) and the third direction (Y) are perpendicular to each other; The second floating mechanism (3) comprises a first fixed seat (31), a second fixed seat (32), a third fixed seat (33), a third floating assembly (34) and a fourth floating assembly (35); The first fixing seat (31) is used to be connected to an insertion force testing machine; The second fixing seat (32) is slidably connected to the first fixing seat (31), the third floating assembly (34) connects the first fixing seat (31) and the second fixing seat (32), and the third floating assembly (34) is used to enable the second fixing seat (32) to float along the third direction (Y) and to return to its original position after floating; The third fixing seat (33) is slidably connected to the second fixing seat (32), the fourth floating assembly (35) connects the second fixing seat (32) and the third fixing seat (33), and the fourth floating assembly (35) is used to enable the third fixing seat (33) to float along the second direction (X) and to reset after floating; The clamping mechanism (1) is connected to the third fixing seat (33); the first fixing seat (31), the second fixing seat (32), and the third fixing seat (33) are arranged along the first direction (Z).

7. The plug-in test fixture according to claim 6, characterized in that: The third floating assembly (34) comprises a first mounting seat (341), a first screw adjustment member (342) and a third elastic member (343); The first mounting seat (341) is connected to one end of the first fixing seat (31) in the third direction (Y); The first screw adjusting member (342) is connected to the first mounting seat (341), and one end of the first screw adjusting member (342) in the third direction (Y) is in contact with the second fixing seat (32); The third elastic member (343) is in a strip shape, and the length direction of the third elastic member (343) is the third direction (Y). One end of the third elastic member (343) along its length direction is connected to the first fixing seat (31), and the other end is connected to the second fixing seat (32). The third elastic member (343) is used to tighten the second fixing seat (32) so that the second fixing seat (32) and the first screw adjusting member (342) are in close contact.

8. The plug-in test fixture according to claim 7, characterized in that: The fourth floating assembly (35) comprises a second mounting seat (351), a second screw adjustment member (352) and a fourth elastic member (353); The second mounting seat (351) is connected to one end of the second fixing seat (32) in the second direction (X); The second screw adjusting member (352) is connected to the second mounting seat (351), and one end of the second screw adjusting member (352) in the second direction (X) is in contact with the third fixing seat (33); The fourth elastic member (353) is in a strip shape, and the length direction of the fourth elastic member (353) is the second direction (X). One end of the fourth elastic member (353) along its length direction is connected to the second fixing seat (32), and the other end is connected to the third fixing seat (33). The fourth elastic member (353) is used to tighten the third fixing seat (33) so that the third fixing seat (33) and the second screw adjusting member (352) are in close contact.

9. The plug-in test fixture according to claim 8, characterized in that: The pulling force of the third elastic member (343) is greater than the pulling force of the fourth elastic member (353).

10. The plug-in test fixture according to claim 1, characterized in that: The clamping mechanism (1) comprises a first clamping block (11), a second clamping block (12), an eccentric cam type clamping rod (13) and a fifth elastic member (14); The first clamping block (11) and the second clamping block (12) are arranged at a distance from each other, the fifth elastic member (14) is arranged between the first clamping block (11) and the second clamping block (12), the first clamping block (11) and the second clamping block (12) are both in contact with the fifth elastic member (14), the eccentric cam type clamping rod (13) connects the first clamping block (11) and the second clamping block (12), and the eccentric cam type clamping rod (13) is used to drive the second clamping block (12) to approach the first clamping block (11); Wherein, in the clamping mechanism (1) connected to the first floating mechanism (2), the first clamping block (11) is fixedly connected to the first floating mechanism (2); In the clamping mechanism (1) connected to the second floating mechanism (3), the first clamping block (11) is fixedly connected to the second floating mechanism (3).

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