CN214953780U - Test fixture for plug-in type resistor - Google Patents
Test fixture for plug-in type resistor Download PDFInfo
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- CN214953780U CN214953780U CN202120564100.2U CN202120564100U CN214953780U CN 214953780 U CN214953780 U CN 214953780U CN 202120564100 U CN202120564100 U CN 202120564100U CN 214953780 U CN214953780 U CN 214953780U
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Abstract
The utility model relates to a resistance detection technical field relates to a test fixture for plug-in components formula resistance. The utility model has the advantages of simple structure, convenient use, wide application range and the like, and the clamping channel for the plug-in resistor presser foot is formed between the first metal loading block and the second metal loading block, thereby effectively improving the precision during testing and the testing efficiency, and being suitable for plug-in resistor products of more types; meanwhile, the inevitable adverse factors caused by human factors are reduced during testing, the clamping sheet can clamp the presser foot of the plug-in resistor to be tested in the clamping channel, the test point is ensured to be at the test position of the presser foot of the plug-in resistor each time, and the precision of resistor detection is effectively improved.
Description
Technical Field
The utility model relates to a resistance detection technical field relates to a test fixture for plug-in components formula resistance.
Background
In the prior art, when measuring the resistance value, a test fixture is often used to assist in measuring. The existing resistance product test aiming at the plug-in type is generally a mode test of manually clamping by directly using a test clamp matched with a test instrument, although the mode is flexible, the mode of clamping a product by manual is difficult to avoid the test deviation caused by the deviation of a clamping point or process jitter, and certain defects exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a precision and improved efficiency of software testing when effectively improving the test, can be applicable to the test fixture that is used for plug-in components formula resistance of the plug-in components formula resistance product of more type.
In order to solve the technical problem, the utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a test fixture for plug-in components formula resistance, includes base and two determine module, be provided with the translation part on the base, the translation part is slided and is equipped with longitudinal movement part, and two determine module all set up on the longitudinal movement part, the longitudinal movement part includes two sliding blocks, determine module includes that first detection piece and second detect the piece, first detection piece and second detect the piece and slide respectively and establish on two sliding blocks, be provided with first metal loading piece on the first detection piece, the second is detected and is equipped with second metal loading piece on the piece, be connected through the screens piece between first metal loading piece and the second metal loading piece, form the centre gripping passageway to plug-in components formula resistance presser foot between first metal loading piece and the second metal loading piece.
Further, the translation part comprises two translation slide rails, the two translation slide rails are arranged on the base in parallel, sliding grooves matched with the translation slide rails are formed in the two sliding blocks, and the two sliding blocks are connected with the translation slide rails through the sliding grooves.
Furthermore, all be provided with longitudinal slide rail on two sliding blocks, two longitudinal slide rail parallel arrangement, first detect the piece with the second detect the piece on all be provided with longitudinal slide rail assorted sliding tray, first detect the piece with the second detect the piece all through the sliding tray with longitudinal slide rail is connected.
Further, the sliding block both sides have all been seted up the screw, wear to be equipped with vertical bolt on the screw, vertical bolt tip with the base butt.
Further, all set up threaded hole on first detection piece and the second detection piece, wear to be equipped with spacing bolt on the screw hole, spacing bolt tip with the sliding block butt.
Furthermore, detection ends of the first metal loading block and the second metal loading block are provided with detection plates, the thickness of each detection plate is 1/2-1/3 of the thickness of the first metal loading block or the thickness of the second metal loading block, wiring terminals of the first metal loading block and the second metal loading block are provided with wiring lugs, and wiring holes are formed in the wiring lugs.
Furthermore, guide grooves are formed in the first metal loading block and the second metal loading block, the clamping piece is arranged in the guide grooves, one end of the clamping piece is fixedly connected with the first metal loading block, and the other end of the clamping piece is connected with the second metal loading block in a sliding mode.
Furthermore, a stand column is arranged on the second metal loading block, a waist-shaped groove is formed in the clamping piece, and the stand column penetrates through the waist-shaped groove.
Furthermore, the detection plate is provided with a mounting groove, the mounting groove is provided with a mounting seat, the mounting seat is provided with a spring plate, the middle of the spring plate is raised, and the spring plate is made of metal or plastic.
Further, the detection plate is provided with a mounting groove, a ball valve is arranged on the mounting groove, a spring is arranged in the mounting groove and abutted against the ball valve, and the diameter of a notch of the mounting groove is smaller than that of the ball valve, so that the ball valve cannot be separated from the mounting groove.
The utility model has the advantages that:
the utility model has the advantages of simple structure, convenient use, wide application range and the like, and the clamping channel for the plug-in resistor presser foot is formed between the first metal loading block and the second metal loading block, thereby effectively improving the precision during testing and the testing efficiency, and being suitable for plug-in resistor products of more types; meanwhile, the inevitable adverse factors caused by human factors are reduced during testing, the clamping sheet can clamp the presser foot of the plug-in resistor to be tested in the clamping channel, the test point is ensured to be at the test position of the presser foot of the plug-in resistor each time, and the precision of resistor detection is effectively improved.
Drawings
Fig. 1 is a schematic diagram of a testing fixture for a plug-in resistor according to the present invention.
Fig. 2 is a schematic view of the ball valve of the present invention.
The reference numbers in the figures illustrate: 1. a base; 11. translating the slide rail; 12. a slider; 13. a longitudinal slide rail; 2. a second detection block; 21. a limit bolt; 22. a first detection block; 3. a first metal loading block; 31. detecting a plate; 311. mounting grooves; 312. a ball valve; 313. a mounting seat; 314. a spring plate; 32. a lug plate; 33. a guide groove; 34. a column; 4. a position clamping sheet; 5. a plug-in resistor;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1-2, a testing fixture for a plug-in resistor includes a base 1 and two detecting components, the base 1 is provided with a translation part, the translation part is provided with a longitudinal moving part in a sliding way, the two detection components are both arranged on the longitudinal moving part, the longitudinal moving part comprises two sliding blocks, the detection assembly comprises a first detection block 22 and a second detection block 2, the first detection block 22 and the second detection block 2 are respectively arranged on the two sliding blocks in a sliding way, the first detection block 22 is provided with a first metal loading block 3, the second detection block 2 is provided with a second metal loading block, the first metal loading block 3 is connected with the second metal loading block through a clamping piece 4, and a clamping channel for the presser foot of the plug-in resistor 5 is formed between the first metal loading block 3 and the second metal loading block.
The utility model has the advantages of simple structure, convenient use, wide application range and the like, and the clamping channel for the presser foot of the plug-in resistor 5 is formed between the first metal loading block 3 and the second metal loading block, thereby effectively improving the precision during testing and the testing efficiency, and being suitable for plug-in resistor 5 products of more types; meanwhile, the inevitable adverse factors caused by human factors are reduced during testing, the clamping sheet 4 can clamp the presser foot of the plug-in resistor 5 to be tested in the clamping channel, the test point is ensured to be at the presser foot test position of the plug-in resistor 5 every time, and the precision of resistor detection is effectively improved.
The translation part comprises two translation slide rails which are arranged in parallel on the base 1, sliding grooves matched with the translation slide rails are formed in the two sliding blocks, and the two sliding blocks are connected with the translation slide rails through the sliding grooves.
All be provided with longitudinal slide rail on two sliding blocks, two longitudinal slide rail parallel arrangement, first detect piece 22 and second detect on piece 2 all be provided with longitudinal slide rail assorted sliding tray, first detect piece 22 and second detect piece 2 all through the sliding tray with longitudinal slide rail connects to can carry out single axial free slip under the sliding tray cooperation.
Through the mode, the plug-in resistor can be automatically centered at the position of the clamping sheet. Moreover, the distance between the first metal loading block 3 and the second metal loading block can be correspondingly changed along with the difference of the pin size of the plug-in resistor, so that the plug-in resistors with different specifications can be positioned.
The base 1 provides support for a structure mounted thereon to facilitate movement of the cooperating structure in a certain direction.
Screw holes are formed in the two sides of the sliding block, longitudinal bolts penetrate through the screw holes, and the end portions of the longitudinal bolts are abutted to the base 1.
All set up threaded hole on first detection piece 22 and the second detection piece 2, wear to be equipped with spacing bolt 21 on the screw hole, spacing bolt 21 tip with the sliding block butt.
Sliding blocks which need to be fixed can be stacked through the longitudinal bolts and the limiting bolts 21, the first detection blocks 22 and the second detection blocks play a role in positioning, and monitoring stability is guaranteed.
The detection ends of the first metal loading block 3 and the second metal loading block are both provided with a detection plate 31, the thickness of the detection plate 31 is 1/2-1/3 of the thickness of the first metal loading block 3 or the thickness of the second metal loading block, wiring lugs 32 are arranged at the wiring ends of the first metal loading block 3 and the second metal loading block, and wiring holes are formed in the wiring lugs 32.
The two metal loading blocks are locked on the second detection block and the first detection block, corresponding wiring is carried out through the wiring lug 32, electric connection with a detection instrument is achieved, the wiring lug 32 for a lead is welded on the metal loading blocks, and corresponding wiring is carried out on a contact according to a test principle of a four-wire method.
The detection plates on the first metal loading block 3 and the second metal loading block are of an integrally formed structure, the first metal loading block 3, the second metal loading block and the detection plate are made of metal materials, preferably copper, and due to the fact that current needs to be loaded, the load of the detection plates is large, the three parts are used for clamping pins synchronously, the sectional area of the detection plates can be increased, the conductivity of the detection plates is enhanced, interference is reduced, and the accuracy of testing is improved.
The first metal loading block 3 and the second metal loading block are used for external current loading and voltage testing end input and are fixed on the sliding block through screws, the wiring holes are joints for welding leads of the metal loading blocks, and the joints are correspondingly wired according to a testing principle of a four-wire method.
All be provided with guide way 33 on first metal loading piece 3 and the second metal loading piece, screens piece 4 sets up in the guide way 33, screens piece 4 one end with first metal loading piece 3 fixed connection, the other end and second metal loading piece sliding connection.
The second metal loading block is provided with a stand column 34, the clamping piece 4 is provided with a waist-shaped groove, and the stand column 34 penetrates through the waist-shaped groove.
Through set up the waist type groove on the screens piece, it can be favorable to adjusting the distance between first metal loading piece 3 and the second metal loading piece, make test fixture test to the resistance of different models, it is spacing through the screens piece simultaneously, first metal loading piece 3 and second metal loading piece centre gripping resistance stitch, effectively avoid other fixtures to fail the contact product problem when product test, the structure of this application adoption spacing back centre gripping then can not take place, it is simpler and steerable to carry out on automation equipment.
Referring to fig. 2, in an embodiment, an installation groove 311 is formed in the detection plate 31, an installation seat 313 is formed in the installation groove 311, an elastic piece 314 is arranged on the installation seat 313, a middle portion of the elastic piece 314 protrudes, and the elastic piece 314 is made of a metal material or a plastic material.
Referring to fig. 2, in another embodiment, a mounting groove 311 is formed on the detection plate 31, a ball valve 312 is arranged on the mounting groove 311, a spring is arranged in the mounting groove 311, the spring abuts against the ball valve 312, and the diameter of the opening of the mounting groove 311 is smaller than that of the ball valve 312, so that the ball valve 312 cannot be separated from the mounting groove 311.
As described above, the number of the elastic pieces or the springs is 2, and the elastic pieces or the springs are symmetrically arranged on two sides of the detection plate. When detecting resistance, shell fragment or spring are in compression state this moment, and its both ends offset with the stitch respectively to exert and order about the stitch to the power that screens piece removed, improve and detect the precision.
Through two shell fragment 314 or two ball valves 312 of relative setting can make the presser foot block all the time and establish between screens piece 4 and first metal loading piece 3 and second metal loading piece for the screens piece is more pressed close to the resistance stitch, thereby can make stitch and first metal loading piece 3 or second metal loading piece fully contact, the stitch card is established in the testing channel simultaneously, can prevent plug-in components formula resistance internal rotation above that, thereby reinforcing location effect and test accuracy, avoid the presser foot to rock, improve and detect the precision.
The utility model discloses in first metal loading piece 3 and second metal loading piece, vertical bolt and spacing bolt are the metal material and support, and all the other structures are insulating material, and insulating material effectively guarantees test fixture's accuracy.
The first metal loading block 3 and the second metal loading block can be used as a detection probe and can position and clamp a resistor pin. The volume of having reduced the test needle greatly, through the isolation of other insulating parts, can guarantee first metal loading piece 3 and second metal loading piece mutual contactless, mutual noninterference can be more convenient and nimble resistance test of carrying out chip resistor to the current distribution problem of having avoided conventional detection because producing too far apart arouses the inaccurate problem of sampling voltage.
During the test of the plug-in type resistance product, one of two sliding blocks 12 is fixed at a certain position through the bolt, and the other sliding block 12 is not fixed; according to the foot distance of the product, the second detection block adjusts the proper distance through sliding of the sliding groove, the two groups of first detection blocks and the second detection block are fixed in position through the limiting bolt, the sliding block slidable group is controlled through applying external force in the testing process to clamp the inserted resistor product, and therefore the resistance value of the product is tested quantitatively.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a test fixture for plug-in components formula resistance, its characterized in that, includes base and two determine module, be provided with translation part on the base, the last longitudinal movement part that is equipped with of translation part, two determine module all set up on the longitudinal movement part, the longitudinal movement part includes two sliding blocks, determine module includes that first detection piece and second detect the piece, first detection piece and second detect the piece and slide respectively and establish on two sliding blocks, be provided with first metal loading piece on the first detection piece, be equipped with second metal loading piece on the second detection piece, be connected through the screens piece between first metal loading piece and the second metal loading piece, form the centre gripping passageway to plug-in components formula resistance presser foot between first metal loading piece and the second metal loading piece.
2. The fixture according to claim 1, wherein the translational member comprises two translational sliding rails, the two translational sliding rails are disposed on the base in parallel, two sliding blocks are respectively provided with a sliding slot matching with the translational sliding rails, and both sliding blocks are connected to the translational sliding rails through the sliding slots.
3. The testing fixture for the plug-in unit type resistor as claimed in claim 1, wherein the two sliding blocks are provided with longitudinal sliding rails, the two longitudinal sliding rails are arranged in parallel, the first detecting block and the second detecting block are provided with sliding grooves matching with the longitudinal sliding rails, and the first detecting block and the second detecting block are connected with the longitudinal sliding rails through the sliding grooves.
4. The jig for testing the plug-in type resistor of claim 2, wherein the sliding block is provided with screw holes on both sides, a longitudinal bolt is arranged on the screw holes in a penetrating manner, and the end of the longitudinal bolt is abutted against the base.
5. The testing fixture for the plug-in unit type resistor of claim 3, wherein the first detecting block and the second detecting block are both provided with threaded holes, the threaded holes are provided with limit bolts, and the end parts of the limit bolts are abutted against the sliding block.
6. The test fixture for the plug-in unit type resistor as claimed in claim 1, wherein the detection ends of the first metal loading block and the second metal loading block are provided with detection plates, the thickness of each detection plate is 1/2-1/3 of the thickness of the first metal loading block or the thickness of the second metal loading block, and the connection terminals of the first metal loading block and the second metal loading block are provided with connection lugs, and the connection lugs are provided with connection holes.
7. The test fixture for the plug-in unit type resistor as claimed in claim 1, wherein the first metal loading block and the second metal loading block are both provided with a guide groove, the position-locking piece is disposed in the guide groove, one end of the position-locking piece is fixedly connected with the first metal loading block, and the other end is slidably connected with the second metal loading block.
8. The testing fixture for the plug-in unit type resistor of claim 7, wherein the second metal loading block is provided with a column, the clamping piece is provided with a waist-shaped groove, and the column is inserted into the waist-shaped groove.
9. The fixture according to claim 6, wherein the test board has a mounting groove, the mounting groove has a mounting seat, the mounting seat has a spring, the middle of the spring protrudes, and the spring is made of metal or plastic.
10. The test fixture for the plug-in unit type resistor as claimed in claim 6, wherein the test board is provided with a mounting groove, a ball valve is arranged on the mounting groove, a spring is arranged in the mounting groove, the spring abuts against the ball valve, and the diameter of the opening of the mounting groove is smaller than that of the ball valve, so that the ball valve cannot be separated from the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120564100.2U CN214953780U (en) | 2021-03-19 | 2021-03-19 | Test fixture for plug-in type resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120564100.2U CN214953780U (en) | 2021-03-19 | 2021-03-19 | Test fixture for plug-in type resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214953780U true CN214953780U (en) | 2021-11-30 |
Family
ID=79041279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120564100.2U Active CN214953780U (en) | 2021-03-19 | 2021-03-19 | Test fixture for plug-in type resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214953780U (en) |
-
2021
- 2021-03-19 CN CN202120564100.2U patent/CN214953780U/en active Active
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