CN219641757U - LCR digital bridge test special fixture - Google Patents
LCR digital bridge test special fixture Download PDFInfo
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- CN219641757U CN219641757U CN202320238628.XU CN202320238628U CN219641757U CN 219641757 U CN219641757 U CN 219641757U CN 202320238628 U CN202320238628 U CN 202320238628U CN 219641757 U CN219641757 U CN 219641757U
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- clamping plate
- digital bridge
- lcr digital
- pole
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 4
- 238000007373 indentation Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of clamps, in particular to a special clamp for testing an LCR digital bridge, which comprises the following components: the upper end of the lower clamping plate is hinged with an upper clamping plate; the auxiliary locking device is fixedly connected to the upper end of the lower clamping plate, and the upper end of the auxiliary locking device penetrates through the outer part of the upper clamping plate; through setting up adjustment mechanism, staff's accessible rotation regulation pole, regulation pole drive gear and remove along the rack, adjusts the first spring that the adapter sleeve extrusion or release are connected with it through the installation cover drive to the pole this moment, adjusts the reverse thrust of first spring to not destroy the scope of LCR digital bridge, and this then staff can use the anchor clamps that adjust clamping force to normally grasp LCR digital bridge, need not worry the anchor clamps and presss from both sides out indentation or sunken probability with LCR digital bridge to guarantee the quality of LCR digital bridge after the test.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a special clamp for testing an LCR digital bridge.
Background
The LCR digital bridge is an LCR bridge using a microprocessor, and the existing LCR digital bridge mostly adopts an LCR tester when testing inductance, capacitance and resistance, and the LCR tester has the characteristics of direct function, simple operation and the like, and can meet the testing requirements of production line quality assurance, commodity inspection and electronic maintenance industry on devices with lower budget. Currently, clamps used to test LCR digital bridges have poor clamping and low electrical conductivity.
At present, china patent discloses a special fixture for testing an LCR digital bridge (with the publication number of CN 216991536U), the fixture has good clamping property and high conductivity on an electrode foil sample, can be quickly and accurately fixed on a special mechanical arm of the digital bridge, and has the characteristics of simple and reasonable structure and high testing accuracy.
Therefore, a special fixture for LCR digital bridge test is proposed to solve the above problems.
Disclosure of Invention
The utility model realizes the aim through the following technical scheme, and the special fixture for testing the LCR digital bridge comprises the following components: the upper end of the lower clamping plate is hinged with an upper clamping plate; the auxiliary locking device is fixedly connected to the upper end of the lower clamping plate, and the upper end of the auxiliary locking device penetrates through the outer part of the upper clamping plate; the auxiliary locking device comprises two arc rods and an adjusting mechanism, wherein the adjusting mechanism is arranged between a lower clamping plate and an upper clamping plate, the two arc rods are fixedly connected to the inside of the adjusting mechanism, the two ends of each arc rod penetrate through the outside of the adjusting mechanism, the lower end of each arc rod is fixedly connected with the lower clamping plate, the upper end of each arc rod penetrates through the outside of the upper clamping plate, a first spring is sleeved on the surface of each arc rod, the opposite ends of the upper clamping plate and the adjusting mechanism are in contact with the first spring, and a positioning mechanism is arranged on the surface of the adjusting mechanism.
Preferably, the adjusting mechanism comprises a mounting sleeve arranged between the lower clamping plate and the upper clamping plate, the right end of the mounting sleeve is fixedly connected with two connecting sleeves which are respectively sleeved on the surfaces of the arc rods, the upper ends of the connecting sleeves are contacted with the lower ends of the first springs, the inner sides of the mounting sleeve are rotatably connected with adjusting rods, the surfaces of the adjusting rods are fixedly connected with two gears, the right ends of the gears are fixedly connected with racks fixedly connected with the arc rods, by arranging the adjusting mechanism, a worker can rotate the adjusting rods, the adjusting rods drive the gears to move along the racks, at the moment, the adjusting rods drive the connecting sleeves to squeeze or release the first springs connected with the connecting sleeves through the mounting sleeve, the reverse thrust of the first springs is regulated to a range which does not damage the LCR digital bridge, then the worker can normally clamp the LCR digital bridge by using a clamp with a good clamping force without worrying about the probability that the clamp clamps clamp the LCR digital bridge out of indentation or dent, so as to ensure the quality of the LCR digital bridge after testing.
Preferably, the left end of the arc rod is provided with an arc groove, and the rack is embedded and arranged in the arc groove, so that the rack can be hidden in the arc rod, and the influence on the expansion and contraction of the first spring is reduced.
Preferably, the vertical cross section shapes of the arc rod, the arc groove, the connecting sleeve and the rack are all in a matched arc shape, and the center points of the arc rod, the arc groove, the connecting sleeve and the rack are overlapped with the hinging center point of the lower clamping plate and the upper clamping plate, so that all movement and rotation can be guaranteed to be normally carried out, and the probability that the whole clamp is clamped in use is reduced.
Preferably, the constant head tank that is annular distribution has been seted up to the inner wall of installation cover, the mounting groove has been seted up to the left end of adjusting the pole, positioning mechanism includes sliding connection in the regulating block of mounting groove inner wall, the left end fixedly connected with of regulating block with the locating piece of left side the constant head tank joint, the right-hand member fixedly connected with of regulating block and the second spring of mounting groove contact, through setting up positioning mechanism, after the staff has adjusted the length of first spring, the staff only need loosen the regulating block, and the second spring loses resistance this moment, and the second spring returns the push-down regulating block fast, and the regulating block drives the locating piece and pegs graft with corresponding constant head tank fast, and the constant head tank will adjust the pole through locating piece and mounting groove in the inside of installation cover this moment, has reduced the flexible or gliding probability of adapter sleeve effectively for first spring operation is more stable.
Preferably, the vertical cross section shape of constant head tank and locating piece is assorted isosceles right pentagon, the installation cover is transparent PVC material component, this success rate that can increase constant head tank and locating piece joint to reduce the staff's operation degree of difficulty.
The beneficial effects of the utility model are as follows:
1. through setting up the adjustment mechanism, the staff can drive the gear to move along the rack through rotating the adjustment lever, at this moment, the adjustment lever drives the connecting sleeve to squeeze or release the first spring connected with it through the installation sleeve, adjust the reverse thrust of the first spring to the range that does not destroy the LCR digital bridge, this then the staff can use the clamp with good clamping force to clamp the LCR digital bridge normally, needn't worry about the clamp clamping the LCR digital bridge out of the indentation or sunken probability, in order to guarantee the quality of LCR digital bridge after testing;
2. through setting up positioning mechanism, after the length of first spring is adjusted to the staff, the staff only need loosen the regulating block, and the second spring loses resistance this moment, and the second spring pushes back the regulating block fast, and the regulating block drives the locating piece and peg graft with corresponding constant head tank fast, and the constant head tank will adjust the pole and firmly lock in the inside of installation cover through locating piece and mounting groove this moment, has reduced the flexible or gliding probability of adapter sleeve effectively for first spring operation is more stable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the auxiliary locking device according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the secondary locking device of the present utility model;
fig. 4 is a schematic cross-sectional view of the adjustment mechanism and positioning mechanism of the present utility model.
In the figure: 1. a lower clamping plate; 2. an upper clamping plate; 3. an auxiliary locking device; 31. a circular arc rod; 311. an arc-shaped groove; 32. a first spring; 33. an adjusting mechanism; 331. a mounting sleeve; 332. connecting sleeves; 333. an adjusting rod; 334. a gear; 335. a rack; 336. a positioning groove; 337. a mounting groove; 34. a positioning mechanism; 341. an adjusting block; 342. a positioning block; 343. and a second spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The specific implementation method comprises the following steps: as shown in fig. 1-4, an LCR digital bridge test special fixture, comprising: the upper end of the lower clamping plate 1 is hinged with an upper clamping plate 2; the auxiliary locking device 3, the auxiliary locking device 3 is fixedly connected to the upper end of the lower clamping plate 1, the upper end of the auxiliary locking device 3 penetrates through the outside of the upper clamping plate 2; wherein, auxiliary locking device 3 includes circular arc pole 31 and adjustment mechanism 33 that is two in quantity, adjustment mechanism 33 sets up between lower plate 1 and punch holder 2, two circular arc poles 31 are all fixed connection in the inside of adjustment mechanism 33, the outside to adjustment mechanism 33 is all run through at the both ends of circular arc pole 31, the lower extreme and the lower plate 1 fixed connection of circular arc pole 31, the outside of punch holder 2 is run through to the upper end of circular arc pole 31, the surface cover of circular arc pole 31 is equipped with first spring 32, punch holder 2 and adjustment mechanism 33's opposite end all contacts with first spring 32, the surface of adjustment mechanism 33 is equipped with positioning mechanism 34.
The adjustment mechanism 33 includes the installation cover 331 that sets up between lower plate 1 and punch holder 2, the right-hand member fixedly connected with of installation cover 331 is two and overlaps respectively locates adapter sleeve 332 on circular arc pole 31 surface, the upper end of adapter sleeve 332 and the lower extreme contact of first spring 32, the inboard rotation of installation cover 331 is connected with adjusts pole 333, the fixed surface of adjusting pole 333 is connected with the gear 334 that is two in quantity, the right-hand member fixedly connected with of gear 334 is with circular arc pole 31 fixed connection's rack 335{ the staff can set up single adapter sleeve 332 on the surface of circular arc pole 31 and adjust to relevant position when, the first spring 32 is to the thrust of punch holder 2, specific scale interval and numerical value need be according to the material of first spring 32, and the position of whole auxiliary locking device 3 is customized, do not make too much here.
The left end of the arc rod 31 is provided with an arc groove 311, and the rack 335 is embedded and installed in the arc groove 311.
The vertical cross-section shapes of the arc rod 31, the arc groove 311, the connecting sleeve 332 and the rack 335 are all in matched arc shapes, and the center points of the arc rod 31, the arc groove 311, the connecting sleeve 332 and the rack 335 are coincident with the hinging center point of the lower clamping plate 1 and the upper clamping plate 2.
The inner wall of the installation sleeve 331 is provided with positioning grooves 336 which are annularly distributed, the left end of the adjusting rod 333 is provided with an installation groove 337, the positioning mechanism 34 comprises an adjusting block 341 which is slidably connected with the inner wall of the installation groove 337, the left end of the adjusting block 341 is fixedly connected with a positioning block 342 which is clamped with the leftmost positioning groove 336, and the right end of the adjusting block 341 is fixedly connected with a second spring 343 which is contacted with the installation groove 337.
The vertical cross-sectional shapes of the positioning groove 336 and the positioning block 342 are all isosceles right pentagons which are matched, and the mounting sleeve 331 is a transparent PVC material member.
When the LCR digital bridge clamping device is used, before a worker needs to clamp the LCR digital bridge by using the clamp, the worker can press the adjusting block 341 into the mounting groove 337 according to the size and hardness of the LCR digital bridge, the adjusting block 341 drives the positioning block 342 to be separated from the positioning groove 336 and retract into the mounting groove 337, then the adjusting rod 333 is rotated towards the corresponding direction, the adjusting rod 333 drives the gear 334 to rotate along the rack 335, the gear 334 drives the mounting sleeve 331 to move up or down through the adjusting rod 333 by the adjusting rod 333, the mounting sleeve 331 drives the connecting sleeve 332 to move up or down, the connecting sleeve 332 is close to or far away from the first spring 32, so that the first spring 32 is released or tightened to adjust the pressure between the first spring 32 and the upper clamp plate 2 until the counter thrust of the first spring 32 to the upper clamp plate 2 is adjusted to be capable of safely clamping the LCR digital bridge, then the worker loosens the adjusting block 341, at the moment, the second spring 343 loses resistance, the second spring 343 rapidly pushes the adjusting block 334 upwards or downwards along the rack 335, the positioning block 342 is rapidly inserted into the corresponding positioning groove 336, and then the worker can clamp the LCR digital bridge after the LCR digital bridge is clamped by using the clamp, and the quality of the LCR digital bridge can be tested normally.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. An LCR digital bridge test special fixture, comprising:
the upper end of the lower clamping plate (1) is hinged with an upper clamping plate (2);
the auxiliary locking device (3), the auxiliary locking device (3) is fixedly connected to the upper end of the lower clamping plate (1), and the upper end of the auxiliary locking device (3) penetrates through the outer part of the upper clamping plate (2);
wherein, auxiliary locking device (3) are including circular arc pole (31) and adjustment mechanism (33) that quantity is two, adjustment mechanism (33) set up between lower plate (1) and punch holder (2), two circular arc pole (31) all fixed connection in the inside of adjustment mechanism (33), the outside to adjustment mechanism (33) is all run through at the both ends of circular arc pole (31), the lower extreme and the lower plate (1) fixed connection of circular arc pole (31), the outside of punch holder (2) is run through to the upper end of circular arc pole (31), the surface cover of circular arc pole (31) is equipped with first spring (32), the opposite end of punch holder (2) and adjustment mechanism (33) all contacts with first spring (32), the surface of adjustment mechanism (33) is equipped with positioning mechanism (34).
2. The LCR digital bridge test special fixture according to claim 1, wherein: adjustment mechanism (33) are including setting up installation cover (331) between lower plate (1) and punch holder (2), right-hand member fixedly connected with of installation cover (331) is two and cover respectively locates adapter sleeve (332) on circular arc pole (31) surface, the upper end of adapter sleeve (332) and the lower extreme contact of first spring (32), the inboard rotation of installation cover (331) is connected with adjusts pole (333), the surface fixedly connected with of adjusting pole (333) is gear (334) that is two in quantity, the right-hand member fixedly connected with of gear (334) is rack (335) with circular arc pole (31) fixedly connected with.
3. The LCR digital bridge test special fixture according to claim 2, wherein: an arc groove (311) is formed in the left end of the arc rod (31), and the rack (335) is embedded and installed in the arc groove (311).
4. The LCR digital bridge test special fixture according to claim 2, wherein: the vertical cross-section shapes of the arc rod (31), the arc groove (311), the connecting sleeve (332) and the rack (335) are all in a matched arc shape, and the circle center points of the arc rod (31), the arc groove (311), the connecting sleeve (332) and the rack (335) are overlapped with the hinging circle center points of the lower clamping plate (1) and the upper clamping plate (2).
5. The LCR digital bridge test special fixture according to claim 2, wherein: the inner wall of installation cover (331) has been seted up and has been annular distributed constant head tank (336), install groove (337) have been seted up to the left end of adjusting pole (333), positioning mechanism (34) are including sliding connection in regulating block (341) of installing groove (337) inner wall, the left end fixedly connected with of regulating block (341) with leftmost locating piece (342) of constant head tank (336) joint, the right-hand member fixedly connected with of regulating block (341) with second spring (343) of installing groove (337) contact.
6. The LCR digital bridge test special fixture according to claim 5, wherein: the vertical cross-sectional shapes of the positioning groove (336) and the positioning block (342) are all isosceles right pentagons which are matched, and the mounting sleeve (331) is a transparent PVC material member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238628.XU CN219641757U (en) | 2023-02-17 | 2023-02-17 | LCR digital bridge test special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238628.XU CN219641757U (en) | 2023-02-17 | 2023-02-17 | LCR digital bridge test special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641757U true CN219641757U (en) | 2023-09-05 |
Family
ID=87811655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320238628.XU Active CN219641757U (en) | 2023-02-17 | 2023-02-17 | LCR digital bridge test special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641757U (en) |
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2023
- 2023-02-17 CN CN202320238628.XU patent/CN219641757U/en active Active
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