Clamping mechanism and resistance testing device

Abstract

The utility model discloses a clamping mechanism and a resistance testing device, the resistance testing device comprises the clamping mechanism and a resistance tester, and a resistance testing pin is connected with the resistance tester. The clamping mechanism comprises a clamping support, a resistance measuring needle and a clamping assembly, the resistance measuring needle is arranged on the clamping support, the resistance measuring needle can move in the preset first direction to adjust the position, and the resistance measuring needle can rotate along the central axis in the length direction of the resistance measuring needle to adjust the position; the clamping assembly is arranged on the clamping support and used for clamping a resistance value test object. The position of the resistance measuring needle can be adjusted so as to contact different positions of a resistance value test object and further test the resistance value from different parts. And the distance between the resistance testing needle and the clamping mechanism can be adjusted through movement of the resistance testing needle, so that the resistance testing device is adaptive to resistance testing objects with different sizes. The method can be widely applied to the technical field of resistance detection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of resistance detection, and particularly relates to a clamping mechanism and a resistance value testing device. BACKGROUND

[0002] Chip resistors have the characteristics of small volume, light weight, strong shock resistance, strong anti-interference ability, good high-frequency characteristics, etc., and are widely used in computer, mobile phone and other consumer electronic products. In order to adapt to different use scenarios, chip resistors have various size specifications, such as 1206, 0805, 0603, etc.

[0003] In the related art, a chip resistor measuring machine is usually used to test the resistance value of a chip resistor. However, the chip resistor measuring machine can only measure the resistance value from the back electrode of the chip resistor, and cannot test the resistance value from other positions of the chip resistor, so it cannot fully reflect the resistance value difference of each part of the chip resistor. For failed samples, it is difficult to determine which part of the resistance value is too high to cause failure. In addition, it is also difficult to adapt to chip resistors of different specifications. Therefore, it is necessary to design a resistance value testing device with wider adaptability. UTILITY MODEL CONTENT

[0004] To solve at least one of the above technical problems, the present application provides a clamping mechanism and a resistance value testing device, and the technical solutions adopted are as follows.

[0005] The resistance value testing device provided by the present application comprises a clamping mechanism and a resistance value testing instrument, and the resistance testing needle is connected to the resistance value testing instrument.

[0006] The clamping mechanism provided by the present application comprises a clamping support, a resistance testing needle and a clamping assembly. The resistance testing needle is arranged on the clamping support, and the resistance testing needle can be moved and adjusted in position along a preset first direction, and can be rotated and adjusted in position along the central axis of the length direction of the resistance testing needle. The clamping assembly is arranged on the clamping support, and the clamping assembly is used for clamping a resistance value testing object.

[0007] In some embodiments of the present application, the clamping support comprises a first support, one end of the resistance testing needle is arranged on the first support through a first mounting seat, the first mounting seat can be moved and adjusted in position along the first direction on the first support, and the resistance testing needle is arranged on the first mounting seat and can be rotated and adjusted in position along the central axis of the length direction of the resistance testing needle.

[0008] In some embodiments of the present application, the first support comprises a cross beam, the cross beam extends along the first direction, and the first mounting seat is sleeved on the outer sidewall of the cross beam.

[0009] In some embodiments of the present application, the first mounting seat is provided with a mounting hole, the mounting hole is formed along a second direction perpendicular to the first direction, and one end of the resistance measuring needle is arranged in the mounting hole.

[0010] In some embodiments of the present application, the resistance measuring needle is arranged in two, the two resistance measuring needles are arranged at intervals along the first direction, the interval of the two resistance measuring needles along the first direction is adjustable, and the clamping assembly is arranged between the two resistance measuring needles.

[0011] In some embodiments of the present application, the clamping support includes a second support, the clamping assembly is arranged on the second support through a second mounting seat, and the second mounting seat can be adjusted in height along a third direction perpendicular to the first direction on the second support.

[0012] In some embodiments of the present application, the second support includes a second column, and the second mounting seat is sleeved on the outer wall of the second column.

[0013] In some embodiments of the present application, the clamping assembly includes a clamping base and two clamping components, the clamping components are movably arranged on the clamping base, and the clamping assembly clamps the resistance value test object through a clamping elastic member.

[0014] In some embodiments of the present application, the clamping base is provided with an opening and closing guide groove, the two clamping components each have an extension end, the extension end is movably inserted into the opening and closing guide groove, the clamping elastic member is arranged in the opening and closing guide groove, the clamping elastic member is arranged between the two clamping components, the end of the clamping elastic member is connected to the extension end of the clamping component, and the clamping elastic member exerts elastic tension on the clamping component.

[0015] The present application has at least the following beneficial effects: in the resistance value testing device, the clamping assembly of the clamping mechanism is used for clamping the resistance value test object, the resistance measuring needle is used for contacting the resistance value test object and can be electrified, thereby completing the resistance value test. The resistance measuring needle can be moved and adjusted in position and the resistance measuring needle can be rotated and adjusted in position, so that the resistance measuring needle can contact different positions of the resistance value test object, thereby testing the resistance value from different parts. The resistance measuring needle can adjust the distance between the resistance measuring needle and the clamping mechanism by moving, thereby adapting to resistance value test objects of different sizes. The present application can be widely applied in the field of resistance detection.

[0016] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application will be further illustrated below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments embodied in the following drawings are exemplary and are only used to explain the application, and cannot be understood as a limitation to the application.

[0018] Figure 1 The figure is a structure diagram of the clamping mechanism, wherein the X direction is the first direction, the Y direction is the second direction, and the Z direction is the third direction.

[0019] Figure 2 The figure is a structure diagram of the clamping mechanism.

[0020] Figure 3 The figure is a structure diagram of the clamping bracket.

[0021] Figure 4 The figure is a structure diagram of the clamping assembly.

[0022] Figure 5 The figure is a structure diagram of the clamping assembly clamping the resistance test object.

[0023] The figure is a structure diagram of the clamping assembly clamping the resistance test object. DETAILED DESCRIPTION

[0024] The application will be further illustrated below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments embodied in the following drawings are exemplary and are only used to explain the application, and cannot be understood as a limitation to the application. Figures 1 to 5 The embodiments of the application are described in detail below, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the application, and cannot be understood as a limitation to the application.

[0025] In the description of the application, it should be understood that if the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, 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, and therefore cannot be understood as a limitation to the application.

[0026] In the description of the application, the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. Understand as not including the number, above, below, etc. Understand as including the number. If it is described to the first, the second is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the application, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example: it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0028] In the description of the application, if the description of the terms "one embodiment", "some embodiments", "one example", "some examples", "some embodiments", "illustrative embodiments", "example", "specific example", "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The application relates to a resistance value testing device, which comprises a clamping mechanism and a resistance value tester, and a resistance testing needle 1000 of the clamping mechanism is connected to the resistance value tester. Specifically, the resistance value tester is connected to the resistance testing needle 1000 through a wire, a resistance testing object is placed in the clamping mechanism, and the resistance value tester is used for testing resistance.

[0030] Other components and operations of the resistance value tester have been recorded in the related art for those skilled in the art, and will not be described in detail here. The structure of the clamping mechanism will be introduced below.

[0031] The application relates to a clamping mechanism, which comprises a clamping support, a resistance testing needle 1000 and a clamping assembly 2000, the resistance testing needle 1000 has a contact needle head 1100, the resistance testing needle 1000 is arranged on the clamping support, and the clamping assembly 2000 is arranged on the clamping support. It can be understood that the clamping assembly 2000 is used for clamping a resistance testing object, the resistance testing needle 1000 is used for contacting an electrode of the resistance testing object and conducting electricity with the resistance testing object, and a resistance value tester reads a resistance reading.

[0032] Further, on the clamping support, the resistance measuring needle 1000 can rotate along the central axis in the length direction of the resistance measuring needle 1000, and the resistance measuring needle 1000 is adjusted in orientation to make the contact needle 1100 contact the surface of the resistance test object.

[0033] It should be noted that, on the clamping support, the resistance measuring needle 1000 can be adjusted in position along the first direction to adjust the distance between the resistance measuring needle 1000 and the resistance test object, and the contact needle 1100 can contact the surface of the resistance test object. On the clamping support, the resistance measuring needle 1000 extends along the second direction perpendicular to the first direction. It can be understood that the clamping mechanism is designed to make the resistance measuring needle 1000 move and rotate, and thus the contact needle 1100 of the resistance measuring needle 1000 can be adjusted in position to contact the resistance test object at different positions, not only to test the resistance from the back electrode, but also to test the resistance from the front electrode and the side electrode, and the clamping mechanism has wider applicability and improves the accuracy of resistance testing.

[0034] In some embodiments, the clamping support includes a first support, and one end of the resistance measuring needle 1000 is arranged on the first support through a first mounting seat 3101. Specifically, the resistance measuring needle 1000 is arranged on the first mounting seat 3101, and the first mounting seat 3101 is movably arranged on the first support. Further, on the first mounting seat 3101, the resistance measuring needle 1000 can rotate along the central axis in the length direction of the resistance measuring needle 1000.

[0035] It can be understood that the first mounting seat 3101 is provided with a mounting hole, and the mounting hole is formed along the second direction perpendicular to the first direction, and one end of the resistance measuring needle 1000 is arranged in the mounting hole. Specifically, the end of the resistance measuring needle 1000 away from the contact needle is arranged in the mounting hole.

[0036] Further, the resistance measuring needle 1000 can be fixed to the first mounting seat 3101 through a first locking structure 3104 to fix the position of the resistance measuring needle 1000 after rotation. Specifically, the first locking structure 3104 is arranged on the first mounting seat 3101, and the first locking structure 3104 abuts against the outer side wall of the resistance measuring needle 1000.

[0037] In some examples, the first locking structure 3104 is arranged on the first mounting base 3101 in a threaded locking manner. Specifically, the first locking structure 3104 is provided with external threads, and the first mounting base 3101 is provided with a threaded hole for mounting the first locking structure 3104. It can be understood that the first locking structure 3104 is threadedly connected to the first mounting base 3101, and when the front end of the first locking structure 3104 abuts against the outer sidewall of the resistance measuring needle 1000, the resistance measuring needle 1000 is fixed on the first mounting base 3101 to ensure the stability of the measurement; when the first locking structure 3104 is not locked, the resistance measuring needle 1000 can rotate along the central axis in the length direction of the resistance measuring needle 1000.

[0038] In some examples, the first locking structure 3104 includes a stud or a bolt or a screw.

[0039] It should be noted that the first mounting base 3101 can move and adjust the position on the first support in the first direction, so as to adjust the position of the resistance measuring needle 1000 in the first direction.

[0040] Specifically, the first support includes a cross beam 3102 extending in the first direction, and the first mounting base 3101 is sleeved on the outer sidewall of the cross beam 3102 and can reciprocate and move in the first direction on the cross beam 3102, so as to adjust the position.

[0041] In some examples, the first mounting base 3101 can be fixed on the first support by the second locking structure 3105 to fix the position of the first mounting base 3101 after moving. Specifically, the second locking structure 3105 is arranged on the first mounting base 3101, and the second locking structure 3105 can abut against the outer sidewall of the cross beam 3102.

[0042] Further, the second locking structure 3105 is arranged on the first mounting base 3101 in a threaded locking manner. Specifically, the second locking structure 3105 is provided with external threads, and the first mounting base 3101 is provided with a threaded hole for mounting the second locking structure 3105. It can be understood that the second locking structure 3105 is threadedly connected to the first mounting base 3101, and when the front end of the second locking structure 3105 abuts against the outer sidewall of the cross beam 3102, the first mounting base 3101 can be fixed on the cross beam 3102 to ensure the stability of the measurement; when the second locking structure 3105 is not locked, the first mounting base 3101 can move and adjust the position in the first direction, so as to adjust the position of the resistance measuring needle 1000 in the first direction.

[0043] In some embodiments, the clamping support includes a first base 3200, and the first support is arranged on the upper side of the first base 3200.

[0044] Further, the first support includes first columns 3103 vertically arranged on the upper side of the first base 3200, and the first columns 3103 are arranged in two, and the crossbeam 3102 is located between the two first columns 3103, and the two ends of the crossbeam 3102 are located at the two first columns 3103 respectively.

[0045] It should be noted that the first direction and the second direction are parallel to the upper side of the first base 3200.

[0046] In some embodiments, the resistance measuring needle 1000 is arranged in two, and the two resistance measuring needles 1000 are distributed along the first direction, and the clamping assembly 2000 is located between the two resistance measuring needles 1000.

[0047] It can be understood that the spacing of the two resistance measuring needles 1000 along the first direction is adjustable, so that the contact needle head 1100 of the two resistance measuring needles 1000 can contact the resistance test object.

[0048] In some embodiments, the height of the clamping assembly 2000 is adjustable to adjust the height of the resistance test object, so that the contact needle head 1100 of the resistance measuring needle 1000 can contact different positions of the resistance test object, not only the back electrode, but also the front electrode and the side electrode, thereby improving the applicability of the clamping mechanism and improving the accuracy of the resistance test.

[0049] Specifically, the clamping support includes a second support, and the clamping assembly 2000 is arranged on the second support through a second mounting seat 3301. The clamping assembly 2000 is arranged on the second mounting seat 3301, and the second mounting seat 3301 is movably arranged on the second support. On the second support, the second mounting seat 3301 can adjust the height along a third direction perpendicular to the first direction. It should be noted that the third direction is perpendicular to the upper side of the first base 3200.

[0050] In some examples, the second support includes second columns 3302 vertically arranged on the upper side of the first base 3200. The second mounting seat 3301 is sleeved on the outer side wall of the second column 3302, and the second mounting seat 3301 can be lifted along the third direction on the second column 3302 to adjust the height.

[0051] In some examples, the second mounting seat 3301 is fixed to the second support through a third locking structure 3303 to fix the position of the second mounting seat 3301. Specifically, the third locking structure 3303 is arranged on the second mounting seat 3301, and the third locking structure 3303 is in contact with the outer side wall of the second column 3302.

[0052] Further, the third locking structure 3303 is arranged on the second mounting base 3301 in a threaded locking manner. Specifically, the third locking structure 3303 is provided with external threads, and the second mounting base 3301 is provided with a threaded hole for mounting the third locking structure 3303. It can be understood that the third locking structure 3303 is threadedly connected to the second mounting base 3301, and when the front end of the third locking structure 3303 abuts against the outer side wall of the second column 3302, the second mounting base 3301 can be fixed on the second column 3302, ensuring the stability of the test; when the third locking mechanism is not locked, the second mounting base 3301 can be adjusted in height along the third direction.

[0053] In some embodiments, the clamping assembly 2000 includes a clamping base 2100 and two clamping components 2200, the clamping base 2100 is arranged on the second mounting base 3301, and the clamping components 2200 are movably arranged on the clamping base 2100. It can be understood that the two clamping components 2200 are in opposite positions, and the two clamping components 2200 can approach or move away from each other, and the area between the two clamping components 2200 is used for clamping the resistance test object.

[0054] It should be noted that the clamping component 2200 is arranged to be movable in the second direction, so that the clamping component 2200 clamps the middle part of the resistance test object in the first direction, and the two end sides of the resistance test object in the first direction are exposed, so that the two ends of the resistance test object contact the contact needle head 1100 of the resistance test needle 1000.

[0055] Further, the clamping assembly 2000 includes a clamping elastic member 2300, and the clamping assembly 2000 clamps the resistance test object by the clamping elastic member 2300. It can be understood that under the action of the clamping elastic member 2300, the two clamping components 2200 can approach each other. On the other hand, under the elastic force of the clamping elastic member 2300, the two clamping components 2200 can clamp resistance test objects of different sizes, and the applicability of the clamping mechanism is wider.

[0056] Specifically, the clamping elastic member 2300 is located between the two clamping components 2200, the end of the clamping elastic member 2300 is connected to the clamping component 2200, and the clamping elastic member 2300 exerts an elastic tension on the clamping component 2200. Further, the clamping elastic member 2300 is arranged as a tension spring. It can be understood that under the pulling of the clamping elastic member 2300, the two clamping components 2200 approach each other.

[0057] Regarding the arrangement of the clamping elastic member 2300 and the clamping component 2200, at least the following embodiments exist.

[0058] In some embodiments, the two clamping components 2200 are collectively configured with a clamping elastic member 2300, two ends of the clamping elastic member 2300 are connected to the two clamping components 2200 respectively, and the clamping elastic member 2300 exerts elastic pulling force on the clamping components 2200 respectively.

[0059] In other embodiments, the clamping assembly 2000 is configured with the clamping elastic member 2300 for each of the two clamping components 2200, and the clamping elastic member 2300 is arranged between the two clamping components 2200. One end of the clamping elastic member 2300 is connected to the clamping component 2200, and the other end of the clamping elastic member 2300 is connected to the clamping base 2100. The clamping elastic member 2300 exerts elastic pulling force on the clamping component 2200.

[0060] It should be noted that in some other embodiments, the clamping assembly 2000 is designed to replace the clamping elastic member 2300 to exert elastic pushing force on the clamping component 2200. In this case, the clamping elastic member 2300 is arranged as a compression spring. Under the pushing of the clamping elastic member 2300, the two clamping components 2200 are close to each other. Specifically, the clamping assembly 2000 is configured with the clamping elastic member 2300 for each of the two clamping components 2200, and the clamping elastic member 2300 is arranged on the side opposite to the two clamping components 2200. One end of the clamping elastic member 2300 is connected to the clamping component 2200, and the other end of the clamping elastic member 2300 is connected to the clamping base 2100.

[0061] In some embodiments, the clamping base 2100 is provided with an opening and closing guide slot 2101.

[0062] In some examples, the opening and closing guide slot 2101 is arranged as a through hole extending from one end side of the clamping base 2100 to the other end side, and the two clamping components 2200 are provided with protruding ends 2201 on the opposite sides, the protruding ends 2201 extend into the opening and closing guide slot 2101 along the extension direction of the opening and closing guide slot 2101, and the ends of the clamping elastic member 2300 are connected to the protruding ends 2201. The opening and closing guide slot 2101 provides a guide function for the opening and closing of the clamping component 2200. Further, the opening and closing guide slot 2101 is arranged along the second direction.

[0063] In some examples, the clamping elastic member 2300 is located in the opening and closing guide slot 2101.

[0064] It can be understood that the opposite sides of the two clamping components 2200 clamp the resistance test object, and the upper surface of the clamping base 2100 can also support the resistance test object.

[0065] Regarding the opening and closing guide slot 2101, at least the following alternative embodiments can exist.

[0066] In some alternative embodiments, the opening and closing guide groove 2101 is arranged on the clamping base 2100 for supporting the upper surface of the resistance test object, and the clamping component 2200 is movably clamped in the opening and closing guide groove 2101.

[0067] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. A clamping mechanism, characterized by: The clamping mechanism comprises a clamping support; a resistance measuring needle arranged on the clamping support, the resistance measuring needle being movable in a preset first direction to adjust a position and being rotatable about a central axis of the resistance measuring needle to adjust a position; a clamping assembly arranged on the clamping support, the clamping assembly being used for clamping a resistance testing object.

2. The clamping mechanism of claim 1, wherein: The clamping support comprises a first support, one end of the resistance measuring needle is arranged on the first support through a first mounting seat, the first mounting seat is movable in a first direction on the first support to adjust a position, the resistance measuring needle is arranged on the first mounting seat and is rotatable about a central axis of the resistance measuring needle to adjust a position.

3. The clamping mechanism of claim 2, wherein: The first support comprises a cross beam extending in the first direction, and the first mounting seat is sleeved on an outer sidewall of the cross beam.

4. The clamping mechanism of claim 2, wherein: The first mounting seat is provided with a mounting hole formed in a second direction perpendicular to the first direction, and one end of the resistance measuring needle is arranged in the mounting hole.

5. The clamping mechanism according to any one of claims 1 to 4, characterized in that: The resistance measuring needle is arranged in two, the two resistance measuring needles are spaced apart in the first direction, the spacing between the two resistance measuring needles in the first direction is adjustable, and the clamping assembly is located between the two resistance measuring needles.

6. The clamping mechanism of claim 1, wherein: The clamping support comprises a second support, the clamping assembly is arranged on the second support through a second mounting seat, and the second mounting seat is adjustable in height in a third direction perpendicular to the first direction on the second support.

7. The clamping mechanism of claim 6, wherein: The second support comprises a second stand, and the second mounting seat is sleeved on an outer sidewall of the second stand.

8. The clamping mechanism of claim 1 or 6 or 7, wherein: The clamping assembly comprises a clamping base and two clamping components, the clamping components are movably arranged on the clamping base, and the clamping assembly clamps the resistance testing object through a clamping elastic member.

9. The clamping mechanism of claim 8, wherein: The clamping base is provided with an opening and closing guide groove, the clamping components each have an extending end, the extending end is movably inserted into the opening and closing guide groove, the clamping elastic member is located in the opening and closing guide groove, the clamping elastic member is located between the clamping components, an end of the clamping elastic member is connected to the extending end of the clamping component, and the clamping elastic member applies an elastic pulling force to the clamping component.

10. A resistance testing device, characterized by: The clamping mechanism comprises The clamping mechanism according to any one of claims 1 to 9; a resistance tester, and the resistance measuring needle is connected to the resistance tester.

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