LRM connector test pull-assisting device
By designing an LRM connector test and pull-up device including fixtures, clamps and pull-up aids, the problem that the plug-up and pull-up of LRM connectors in the prior art requires a lot of effort and is difficult to find the stress point, and a safe and labor-saving plug-up and pull-up operation is achieved to avoid connector damage.
Patent Information
- Application Number
- CN202420956011.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Existing LRM connectors require a lot of effort to plug and unplug during testing, and it is not easy to find the stress point, which can easily lead to damage to the connector.
A test and pull-up device including a first PCBA board, a second PCBA board, a base board, a fixture, a clamp and a pull-up device are designed. The angle of insertion and removal is limited by the fixture and the clamp, and the pull-up device provides upward force to achieve a safe and labor-saving plug-up operation.
Under uniform stress, the damage to the connector is avoided by lateral force, and easy insertion and unplugging operations are achieved, extending the service life of the connector.
Smart Images

Figure CN222671937U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of modules, and in particular relates to an LRM connector test and extraction assistance device. Background Art
[0002] The LRM connector is a connector designed for high-performance applications. It is widely used in data centers, cloud computing, and supercomputing. The design of this connector focuses on high speed, low latency, and reliability, and can cope well with high-load and high-concurrency environments. The LRM series connector is mainly used to connect the daughter board and the motherboard of electronic equipment. It can realize the integrated transmission of different types of signals including RF, differential, optical, and electrical. In addition, these connectors also have an anti-misplugging function, which is suitable for blind plugging operations in non-intuitive environments.
[0003] When testing the LRM connector, it is necessary to plug and unplug it multiple times. However, due to the integrated transmission, it takes a lot of force to unplug the LRM connector, and it is not easy to find the force point.
[0004] If the insertion and extraction force is too large and the force point is not accurate, the excess lateral force will damage the connector or connector interface. Summary of the invention
[0005] In order to solve the problems raised in the above background technology, the utility model provides an LRM connector test and extraction aid device to solve the problem that the insertion and extraction of the existing LRM connectors require great force and it is not easy to find the force point.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] An LRM connector test and extraction aid device, comprising:
[0008] The first PCBA board;
[0009] Second PCBA board;
[0010] Bottom plate; the first PCBA board is fixedly mounted on the top surface of the bottom plate;
[0011] The fixture comprises a left clamp body and a right clamp body, the first ends of the left clamp body and the right clamp body are fixedly mounted on the bottom plate, the first PCBA board is arranged between the left clamp body and the right clamp body, and a boss is arranged on the lower end side of the left clamp body and the right clamp body;
[0012] The clamping plate is provided with two mounting through holes, the second end of the left clamping body is inserted into one mounting through hole from the bottom surface of the clamping plate, and the second end of the right clamping body is inserted into the other mounting through hole from the bottom surface of the clamping plate. The top surface of the clamping plate is also provided with two grooves, one of which is connected to one mounting through hole;
[0013] LRM connector; the LRM connector is fixedly connected to the clamping plate, the second PCBA board is connected to the first interface end of the LRM connector, the second interface end of the LRM connector is arranged on the bottom surface of the clamping plate, and the second interface end of the LRM connector is connected to the first PCBA board;
[0014] Two pull-out aids; one pull-out aid is rotatably mounted in a groove, the rotation plane of the pull-out aid is perpendicular to the plane of the clamping plate, the first end of one pull-out aid is arranged in a mounting through hole and above a boss, and the distance between the rotation center of the pull-out aid and the first end of the pull-out aid is less than or equal to the distance between the rotation center and the second end of the pull-out aid;
[0015] When releasing the connection between the LRM connector and the first PCBA board, the second ends of all the ejectors are lifted, the first end of one ejector is pressed into contact with the top surface of a boss, the clamping plate is subjected to an upward force, and the LRM connector is separated from the first PCBA board.
[0016] Preferably, the second PCBA board is vertically arranged between the left clamp body and the right clamp body, and the bottom end of the second PCBA board is connected to the first interface end of the LRM connector.
[0017] Preferably, a VPX connector is further provided on the clamping plate, and two interface ends of the VPX connector are respectively connected to the first PCBA board and the second PCBA board.
[0018] Preferably, the model of the extraction aid is BM6.354.30005 or BM6.354.30004.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] When using this application, the second PCBA board is connected to the LRM connector on the clamping plate, and then the clamping plate is sleeved on the right clamping body behind the left clamping body through two mounting through holes, and the insertion and removal angles are limited by the left clamping body and the right clamping body to avoid bending, wear and breakage of the connection caused by the horizontal force, and then the clamping plate is pressed along the vertical direction of the left clamping body and the right clamping body until the LRM connector on the clamping plate is connected to the first PCBA board, and the insertion is completed;
[0021] When it is necessary to pull it out, just lift the second ends of the two pull-out aids at the same time, and the first end will rotate and squeeze into contact with the top surface of the boss. The clamping plate will be subjected to an upward force, and the LRM connector can be detached from the first PCBA board. This application can insert the LRM connector under uniform force and without the influence of lateral force, and can pull out the LRM connector with less effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 A schematic diagram of the specific structure of this application;
[0023] Figure 2 This is a schematic diagram of the working process of this application;
[0024] Figure 3 It is a schematic diagram of the working process with a plug-in structure;
[0025] The markings in the figure are:
[0026] 1-left clamp body; 2-mounting through hole; 3-pull-out aid; 4-second PCBA board; 5-right clamp body; 6-clamping plate; 7-groove; 8-bottom plate; 9-first PCBA board; 10-notch; 11-boss. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Embodiment 1:
[0029] like Figure 1 , Figure 2 and Figure 3 As shown, a LRM connector test and extraction aid device comprises:
[0030] First PCBA board 9;
[0031] Second PCBA board 4;
[0032] Bottom plate 8; the first PCBA board 9 is fixedly mounted on the top surface of the bottom plate 8;
[0033] The fixture comprises a left clamp body 1 and a right clamp body 5, the first ends of the left clamp body 1 and the right clamp body 5 are fixedly mounted on the bottom plate 8, the first PCBA board 9 is arranged between the left clamp body 1 and the right clamp body 5, and a boss 11 is provided on the side surface of the lower end of the left clamp body 1 and the right clamp body 5;
[0034] The clamping plate 6; two mounting through holes 2 are provided on the clamping plate 6, the second end of the left clamping body 1 is inserted into one mounting through hole 2 from the bottom surface of the clamping plate 6, and the second end of the right clamping body 5 is inserted into the other mounting through hole 2 from the bottom surface of the clamping plate 6, and two grooves 7 are further provided on the top surface of the clamping plate 6, one groove 7 is connected to one mounting through hole 2;
[0035] LRM connector; the LRM connector is fixedly connected to the clamping plate 6, the second PCBA board 4 is connected to the first interface end of the LRM connector, the second interface end of the LRM connector is arranged on the bottom surface of the clamping plate 6, and the second interface end of the LRM connector is connected to the first PCBA board 9;
[0036] Two pull-out aids 3; one pull-out aid 3 is rotatably mounted in a groove 7, the rotation plane of the pull-out aid 3 is perpendicular to the plane of the clamping plate 6, the first end of one pull-out aid 3 is arranged in a mounting through hole 2 and arranged above a boss 11, and the distance between the rotation center of the pull-out aid 3 and the first end of the pull-out aid 3 is less than or equal to the distance between the rotation center and the second end of the pull-out aid 3;
[0037] When releasing the connection between the LRM connector and the first PCBA board 9, the second ends of all the extraction aids 3 are lifted, the first end of one extraction aid 3 is pressed into contact with the top surface of a boss 11, the clamping plate 6 is subjected to an upward force, and the LRM connector is separated from the first PCBA board 9.
[0038] In the embodiment, when using the present application, the second PCBA board 4 is connected to the LRM connector on the clamping plate 6, and then the clamping plate 6 is sleeved on the left clamping body 1 and the right clamping body 5 through the two mounting through holes 2, and the insertion and removal angles are limited by the left clamping body 1 and the right clamping body 5 to avoid bending, wear and breakage of the connection caused by the horizontal force, and then the clamping plate 6 is pressed along the vertical direction of the left clamping body 1 and the right clamping body 5 until the LRM connector on the clamping plate 6 is connected to the first PCBA board 9, and the insertion is completed;
[0039] When it is necessary to pull out, just lift the second ends of the two pull-out aids 3 at the same time, and the first end will rotate and squeeze into contact with the top surface of the boss 11. The clamping plate 6 will be subjected to an upward force, and the LRM connector can be separated from the first PCBA board 9. The present application can insert the LRM connector under uniform force and without the influence of lateral force, and can pull out the LRM connector with less effort.
[0040] Embodiment 2:
[0041] The difference between this embodiment and embodiment 1 is that Figure 1 , Figure 2 As shown, the second PCBA board 4 is vertically arranged between the left clamp body 1 and the right clamp body 5 , and the bottom end of the second PCBA board 4 is connected to the first interface end of the LRM connector.
[0042] In this embodiment, in order to reduce the occupied space, the second PCBA board 4 coincides with the plane where the left clamp body 1 and the right clamp body 2 are located.
[0043] Embodiment 3:
[0044] The difference between this embodiment and the first embodiment is that a VPX connector is further provided on the clamping plate 6 , and two interface ends of the VPX connector are respectively connected to the first PCBA board 9 and the second PCBA board 4 .
[0045] In this embodiment, other connectors such as VPX connectors can also be subjected to plug-in and pull-out tests.
[0046] Embodiment 4:
[0047] The difference between this embodiment and the first embodiment is that the model of the pulling aid 3 is BM6.354.30005 or BM6.354.30004.
[0048] Embodiment 5:
[0049] The difference between this embodiment and embodiment 1 is that Figure 3 As shown, in the existing LRM connector test, it is also necessary to test the LRM module with the pull-out assist structure, such as Figure 3 As shown, the top of the LRM module with an assisting pulling structure is preset with two assisting pulling structures. Therefore, the present application also provides vertical slide grooves on the opposite sides of the left clamp body 1 and the right clamp body 5. The two sides of the LRM module with an assisting pulling structure can be inserted between the left clamp body 1 and the right clamp body 5 along the vertical slide grooves. The second ends of the left clamp body 1 and the right clamp body 5 are provided with notches 10. A baffle is also provided between the left clamp body 1 and the right clamp body 5. The two ends of the baffle are respectively connected to the left clamp body 1 and the right clamp body 5. The middle part of the baffle is also provided with an opening. When the LRM module with an assisting pulling structure is inserted into the vertical slide groove When between the left clamp body 1 and the right clamp body 5, the interface part of the LRM module with the pulling-out assisting structure passes through the opening and is connected to the first PCBA board 9, and the lower side surface of the LRM module with the pulling-out assisting structure is squeezed and contacted with the top surface of the baffle, which can avoid damage caused by excessive force due to too deep insertion. At the same time, the first ends of the two pulling-out assisting structures fall into the notch. When pulling out, the second ends of the two pulling-out assisting structures are lifted. At this time, the first ends of the two pulling-out assisting structures are squeezed and contacted with the bottom surface of the notch, and the LRM module with the pulling-out assisting structure is subjected to an upward force, disconnected from the first PCBA board, and the pulling-out operation is completed.
Claims
1. A LRM connector test and extraction aid device, characterized in that: include: First PCBA board (9); Second PCBA board (4); Bottom plate (8); a first PCBA board (9) is fixedly mounted on the top surface of the bottom plate (8); The clamp comprises a left clamp body (1) and a right clamp body (5), wherein the first ends of the left clamp body (1) and the right clamp body (5) are fixedly mounted on a bottom plate (8), a first PCBA board (9) is arranged between the left clamp body (1) and the right clamp body (5), and a boss (11) is provided on the side surfaces of the lower ends of the left clamp body (1) and the right clamp body (5); A clamping plate (6); two mounting through holes (2) are provided on the clamping plate (6); the second end of the left clamping body (1) is inserted into one mounting through hole (2) from the bottom surface of the clamping plate (6); the second end of the right clamping body (5) is inserted into the other mounting through hole (2) from the bottom surface of the clamping plate (6); two grooves (7) are further provided on the top surface of the clamping plate (6); one groove (7) is connected to one mounting through hole (2); LRM connector; the LRM connector is fixedly connected to the clamping plate (6), the second PCBA board (4) is connected to the first interface end of the LRM connector, the second interface end of the LRM connector is arranged on the bottom surface of the clamping plate (6), and the second interface end of the LRM connector is connected to the first PCBA board (9); Two pull-out aids (3); one pull-out aid (3) is rotatably mounted in a groove (7), the rotation plane of the pull-out aid (3) is perpendicular to the plane of the clamping plate (6), the first end of one pull-out aid (3) is arranged in a mounting through hole (2) and above a boss (11), and the distance between the rotation center of the pull-out aid (3) and the first end of the pull-out aid (3) is less than or equal to the distance between the rotation center and the second end of the pull-out aid (3); When releasing the connection between the LRM connector and the first PCBA board (9), the second ends of all the extraction aids (3) are lifted, the first end of one of the extraction aids (3) is pressed into contact with the top surface of a boss (11), the clamping plate (6) is subjected to an upward force, and the LRM connector is separated from the first PCBA board (9).
2. The LRM connector test and extraction aid device according to claim 1, characterized in that: The second PCBA board (4) is vertically arranged between the left clamping body (1) and the right clamping body (5), and the bottom end of the second PCBA board (4) is connected to the first interface end of the LRM connector.
3. The LRM connector test and extraction aid device according to claim 1, characterized in that: A VPX connector is also provided on the clamping plate (6), and two interface ends of the VPX connector are respectively connected to the first PCBA board (9) and the second PCBA board (4).
4. The LRM connector test and extraction aid device according to claim 1, characterized in that: The model of the extraction aid (3) is BM6.354.30005 or BM6.354.30004.