A test indenter and detection module

Abstract

The application belongs to the technical field of testing, and discloses a test pressure head connected to a detection module capable of detecting the force acting on the test pressure head. The test pressure head comprises a base, a probe and a connecting part. The base is connected to the detection module, and the probe is configured to press against a workpiece to be detected. The base is provided with a jack hole for connecting the probe. The probe is connected to the base by the connecting part, and the connecting part can limit the probe to press against the workpiece in a preset posture. The application also discloses a detection module comprising a detection unit and the above test pressure head. The detection unit is connected to the base, and the detection unit can detect the force acting on the base. The application increases the contact area of the probe and the jack hole of the base, thereby greatly reducing the bending deformation of the probe when pressing against the male connector in each direction, effectively protecting the probe, ensuring the service life and testing accuracy of the probe, and reducing the maintenance cost of the detection module.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing, in particular to a test pressure head and a detection module. BACKGROUND

[0002] In the testing process of various computers, the plug-in interface of the computer is detected to detect the stability of the plug-in interface of the computer. In the detection process, a transfer mechanism is used to move the detection module, so that the probe connected to the detection module presses the male end of the connector inserted into the female end of the computer. Then, the force transmitted to the detection module through the probe is detected to detect the stability of the plug-in interface (female end) of the computer.

[0003] In the prior art, the probe is directly connected to the base by the connecting threads on the probe through a nut, and the base is connected to the detection unit of the detection module to detect the force of the probe pushing against the male end of the connector.

[0004] During the pushing process, the probe pushes against the male end of the connector in various directions. However, the contact area between the part of the probe inserted into the socket and the probe is small, and the distance is far, so that the force of the male end of the connector acting on the probe during the process of the probe pushing against the male end of the connector will generate a moment that will cause the probe to bend and deform. Not only will it affect the accuracy of the test, but also it will reduce the service life of the probe and increase the maintenance cost of the detection module.

[0005] Therefore, it is urgent to solve the above problems. SUMMARY

[0006] The purpose of the present application is to provide a test pressure head and a detection module to solve the problem of reducing the accuracy of the test, reducing the service life and increasing the maintenance cost of the test device caused by the small contact area between the part of the probe inserted into the socket and the probe, and the far distance, so that the force of the male end of the connector acting on the probe during the process of the probe pushing against the male end of the connector will generate a moment that will cause the probe to bend and deform.

[0007] To achieve this purpose, one aspect of the present application provides a test pressure head connected to a detection module, the detection module being capable of detecting the force acting on the test pressure head, the test pressure head comprising:

[0008] a base connected to the detection module;

[0009] a probe configured to press against a workpiece to be detected, the base being provided with a socket for connecting the probe;

[0010] a connecting portion connecting the probe to the base, the connecting portion being capable of limiting the probe to press against the workpiece in a preset posture.

[0011] As a preferred embodiment, the connecting portion comprises:

[0012] a first bushing disposed on one side of the base, the first bushing being inserted through the insertion hole, the first bushing being provided with a first connecting hole connected with the probe head; and

[0013] a second bushing disposed on the other side of the base and connected with the first bushing, the second bushing being provided with a receiving groove, the part of the first bushing inserted out of the insertion hole being inserted into the receiving groove, and the receiving groove being capable of limiting the first bushing and making the first connecting hole extend along a preset direction, so that the probe head presses against the workpiece in the preset posture.

[0014] Preferably, the probe head is capable of sliding along the extension direction of the first connecting hole, and the test pressure head further comprises an elastic member, two ends of the elastic member being connected with the probe head and the base respectively, and the elastic member being capable of elastically deforming along a preset direction, the elastic member being capable of buffering the force acting on the base by the probe head.

[0015] Preferably, the connecting part is further provided with a lubricating groove, the part of the probe head connected with the connecting part being capable of closing the slot of the lubricating groove, and the lubricating groove being provided with lubricating grease.

[0016] Preferably, the lubricating groove is disposed on the first bushing and located on the hole wall of the first connecting hole.

[0017] Preferably, the lubricating groove is composed of the receiving groove and the part of the first bushing inserted into the receiving groove, the lubricating grease being disposed in the receiving groove and located between the groove bottom of the receiving groove and the part of the first bushing inserted into the receiving groove.

[0018] Preferably, the connecting part further comprises a sealing part capable of sealing the lubricating groove.

[0019] Another aspect of the present application provides a detection module, the detection module comprising a detection unit and the test pressure head as described above, the detection unit being connected with the base, and the detection unit being capable of detecting the force acting on the base.

[0020] Preferably, the detection module further comprises a connecting member for connecting with an external transfer mechanism, the connecting member comprising a first connecting body in the shape of a polygonal prism and a second connecting body in the shape of a cylinder, the cross section of the second connecting body being circumscribed on the cross section of the first connecting body.

[0021] Preferably, the detection unit is a load cell sensor.

[0022] The beneficial effects of the present application: the connecting part in the present application can limit the probe to press the male end of the connector in a preset posture, so as to stabilize the probe, increase the contact area of the probe and the socket of the base, greatly reduce the bending deformation of the probe when pressing the male end of the connector in each direction, effectively protect the probe, ensure the service life and test accuracy of the probe, and reduce the maintenance cost of the detection module. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the detection module provided by the embodiment one of the present application;

[0024] Figure 2 is a partial view of R in Figure 1

[0025] Figure 3 is a structural schematic view of the detection module provided by the embodiment two of the present application;

[0026] Figure 4 is a partial view of S in Figure 3

[0027] in the figure:

[0028] 1, base; 11, socket;

[0029] 2, probe;

[0030] 3, connecting part; 31, first bushing; 32, second bushing; 321, accommodating groove; 322, positioning boss; 33, nut; 34, lubricating groove;

[0031] 4, detection unit;

[0032] 5, connecting piece;

[0033] 6, elastic piece. DETAILED DESCRIPTION

[0034] The present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, but not all the structures.

[0035] ​​In the description of the present application, unless specifically defined and limited otherwise, the terms "connected", "connected", "fixed" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In the present application, unless specifically defined and limited otherwise, "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. "Below", "below" and "below" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0037] In the description of the present embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0038] Embodiment one

[0039] The present embodiment provides a detection module, such as Figure 1 and Figure 2As shown, the detection module comprises a detection unit 4 and a test pressure head connected to the detection unit 4, the test pressure head is used to abut the male end of the connector plugged on each type of computer to be tested, when the test pressure head pushes against the male end of the connector, the detection unit 4 can sense the force received by the test pressure head and generate an electrical signal, so that the detection module can detect the force acting on the test pressure head, the detection unit 4 can detect the force acting on the test pressure head, the test pressure head comprises a base 1, a probe 2 and a connecting part 3, the base 1 is connected to the detection unit 4 of the detection module, the probe 2 is configured to abut the male end of the connector plugged on each type of computer to be tested, the base 1 is provided with a jack 11 for connecting the probe 2, the probe 2 is connected to the base 1 by the connecting part 3, the connecting part 3 can define the probe 2 to abut the male end of the connector in a preset posture, thereby stabilizing the probe 2 and increasing the contact area of the probe 2 with the jack 11 of the base 1, thereby greatly reducing the bending deformation of the probe 2 when abutting the male end of the connector in each direction, effectively protecting the probe 2, ensuring the service life and test accuracy of the probe 2, and reducing the maintenance cost of the detection module.

[0040] Specifically, in the present embodiment, the connecting part 3 comprises a first bushing 31, a second bushing 32 and a nut 33, the second bushing 32 is connected to the base 1, the first bushing 31 is connected to the second bushing 32, the first bushing 31 is provided with a first connecting hole, the second bushing 32 is provided with a second connecting hole, the probe 2 passes through the jack 11, the second connecting hole and the first connecting hole in sequence, the nut 33 engages with the connecting thread on the probe 2, the nut 33 abuts the first bushing 31 to the second bushing 32, and abuts the second bushing 32 to the base 1, the first connecting hole and the second connecting hole extend along a preset direction, the preset direction is the extension direction of the axis of the probe 2, thereby defining and stabilizing the probe 2, and making the probe 2 abut the male end of the connector plugged on the computer to be tested in a preset posture.

[0041] Preferably, in order to improve the connection accuracy and stability of the first bushing 31 and the second bushing 32, the second bushing 32 is provided with a receiving groove 321, and the first bushing 31 is provided with an embedded part inserted into the receiving groove 321, which not only increases the connection strength between the first bushing 31 and the second bushing 32, but also improves the connection accuracy between the first bushing 31 and the second bushing 32.

[0042] Preferably, in order to protect the measuring head 2, in the embodiment, the measuring head 2 is capable of sliding along the extension direction of the first connecting hole, the testing pressure head further comprises an elastic member 6, the second bushing 32 is provided with an annular groove for positioning and auxiliary supporting the elastic member 6, a part of the inner wall of the annular groove is capable of forming a positioning boss 322 for supporting the elastic member 6, one end of the elastic member 6 is inserted into the positioning boss 322, the other end of the elastic member 6 is connected to the measuring head 2, the elastic member 6 is capable of elastically deforming along a preset direction, the elastic member 6 is capable of buffering the force of the measuring head 2 acting on the second bushing 32, i.e. the elastic member 6 is capable of buffering the force of the measuring head 2 acting on the base 1, thereby buffering the force of the measuring head 2 pushing against the connector in the process of the measuring head 2 pressing against the connector, so as to protect the measuring head 2.

[0043] Through the above structure, since the measuring head 2 slides in the first connecting hole and the second connecting hole, in order to reduce the friction between the measuring head 2 and the hole wall of the first connecting hole and the hole wall of the second connecting hole, the connecting part 3 is further provided with a lubricating groove 34, the part of the connecting part 3 connected to the measuring head 2 is capable of closing the slot of the lubricating groove 34, the lubricating grease is arranged in the lubricating groove 34, thereby reducing the friction between the measuring head 2 and the first bushing 31 and the second bushing 32 respectively.

[0044] Preferably, in the embodiment, the lubricating groove 34 is arranged on the first bushing 31 and located on the hole wall of the first connecting hole, and the lubricating groove 34 is located on the embedded part, so that the groove bottom of the accommodating groove 321, the groove wall of the accommodating groove 321 and the end face of the embedded part can form a sealing part with sealing effect. In other embodiments, the lubricating groove 34 can also be formed by the accommodating groove 321 and the end face of the embedded part, which is not specifically limited here.

[0045] Further, the detection module further comprises a connecting part 5 for connecting with an external moving mechanism, the connecting part 5 comprises a first connecting body in the shape of a multi-prism and a second connecting body in the shape of a cylinder, the cross section of the second connecting body circumscribes the cross section of the first connecting body, the moving end of the external moving mechanism is provided with a slide way, the cross section of the slide way is the same as the cross section of the first connecting body, so that the connecting part 5 can not only slide along the slide way, but also can rotate in the slide way, thereby flexibly adjusting the position of the measuring head 2.

[0046] Since the load cell sensor has high detection accuracy, in the embodiment, the detection unit 4 is a load cell sensor.

[0047] Embodiment two

[0048] The difference between the embodiment and the embodiment one is that the structure of the connecting part 3 is different.

[0049] In the embodiment, as shown in Figure 3 and Figure 4As shown, the connecting part 3 comprises a first bush 31 and a second bush 32, the first bush 31 is arranged on one side of the base 1, the first bush 31 is inserted into and passes through the insertion hole 11, the first bush 31 is provided with a first connecting hole connected with the measuring head 2, the second bush 32 is arranged on the other side of the base 1 and connected with the first bush 31, the second bush 32 is provided with a containing groove 321, the part of the first bush 31 passing out of the insertion hole 11 is inserted into the containing groove 321, and the containing groove 321 can limit the first bush 31 and make the first connecting hole extend along the preset direction, so that the measuring head 2 abuts against the workpiece in the preset posture, the structure of the connecting part 3 in the embodiment is larger than the contact area between the structure of the connecting part 3 and the measuring head 2 in the first embodiment, so that the measuring head 2 can be better stabilized.

[0050] Suitably, in the embodiment, the measuring head 2 can slide along the extension direction of the first connecting hole, the testing pressure head further comprises an elastic member 6, two ends of the elastic member 6 are connected with the measuring head 2 and the base 1 respectively, and the elastic member 6 can be elastically deformed along the preset direction, the elastic member 6 can buffer the force of the measuring head 2 acting on the base 1.

[0051] The connecting part 3 is further provided with a lubricating groove 34, the part of the measuring head 2 connected with the connecting part 3 can close the slot opening of the lubricating groove 34, the lubricating grease is arranged in the lubricating groove 34, the lubricating groove 34 is arranged on the first bush 31 and located on the hole wall of the first connecting hole, the lubricating groove 34 is composed of the containing groove 321 and the part of the first bush 31 inserted into the containing groove 321, the lubricating grease is arranged in the containing groove 321 and located between the groove bottom of the containing groove 321 and the part of the first bush 31 inserted into the containing groove 321.

[0052] In other embodiments, in order to avoid the leakage of the lubricating grease, the connecting part 3 further comprises a sealing part capable of sealing the lubricating groove 34, the sealing part comprises an annular sealing groove and a sealing ring, since the structure of the sealing part is the prior art in the field, which will not be repeated here.

[0053] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A test ram connected to a detection module, said detection module being capable of detecting a force acting on said test ram, characterized in that, The test pressure head comprises: a base (1) connected to the detection module; a probe head (2) configured to press against a workpiece to be detected, the base (1) being provided with a socket (11) for connecting the probe head (2); a connecting part (3) connecting the probe head (2) to the base (1), the connecting part (3) being capable of limiting the probe head (2) to press against the workpiece in a preset posture; the connecting part (3) comprises a first bushing (31) arranged on one side of the base (1), the first bushing (31) being inserted through the socket (11), the first bushing (31) being provided with a first connecting hole connected to the probe head (2), a second bushing (32) arranged on the other side of the base (1) and connected to the first bushing (31), the second bushing (32) being provided with a receiving groove (321), the part of the first bushing (31) inserted out of the socket (11) being inserted into the receiving groove (321), and the receiving groove (321) being capable of limiting the first bushing (31) and making the first connecting hole extend in a preset direction, so that the probe head (2) presses against the workpiece in the preset posture, and a nut (33); the probe head (2) is capable of sliding along the extension direction of the first connecting hole, and the test pressure head further comprises an elastic member (6), both ends of the elastic member (6) being connected to the probe head (2) and the base (1) respectively, and the elastic member (6) being capable of elastically deforming in a preset direction, the elastic member (6) being capable of buffering the force acting on the base (1) by the probe head (2).

2. The test indenter of claim 1, wherein, The connecting part (3) is further provided with a lubricating groove (34), the part of the probe head (2) connected to the connecting part (3) being capable of closing the slot opening of the lubricating groove (34), and the lubricating groove (34) being provided with lubricating grease.

3. The test indenter of claim 2, wherein, The lubricating groove (34) is arranged on the first bushing (31) and located on the hole wall of the first connecting hole.

4. The test indenter of claim 2, wherein, The lubricating groove (34) is formed by the receiving groove (321) and the part of the first bushing (31) inserted into the receiving groove (321), the lubricating grease being arranged in the receiving groove (321) and located between the groove bottom of the receiving groove (321) and the part of the first bushing (31) inserted into the receiving groove (321).

5. The test indenter of claim 2, wherein, The connecting part (3) further comprises a sealing part capable of sealing the lubricating groove (34).

6. A detection module, characterized in that The detection module comprises a detection unit (4) and the test pressure head according to any one of claims 1-5, the detection unit (4) being connected to the base (1), and the detection unit (4) being capable of detecting the force acting on the base (1).

7. The detection module of claim 6, wherein, The detection module further comprises a connecting member (5) for connecting with an external transfer mechanism, the connecting member (5) comprising a first connecting body in the shape of a multi-prism and a second connecting body in the shape of a cylinder, the cross section of the second connecting body being circumscribed to the cross section of the first connecting body.

8. The detection module of claim 6, wherein, The detection unit (4) is a load cell sensor.

Images