CN220671546U - Filter testing device - Google Patents
Filter testing device Download PDFInfo
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- CN220671546U CN220671546U CN202321491098.6U CN202321491098U CN220671546U CN 220671546 U CN220671546 U CN 220671546U CN 202321491098 U CN202321491098 U CN 202321491098U CN 220671546 U CN220671546 U CN 220671546U
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- pressing
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a filter testing device, which relates to the technical field of testing devices, wherein a pressing component is arranged at the top of a detection base, and a control component is arranged in the detection base; the compressing assembly comprises a compressing plate, a driving block and a driving rod, wherein the compressing plate is rotationally connected to the top of the detection base, the driving block is inserted into the detection base, and the driving rod is rotationally connected to the detection base. When testing the filter, the control assembly can automatically limit the maximum compression force, and after the maximum compression force is reached, the device can automatically stop the operation of continuously applying and increasing the pressure to the shielding cover body even if the operating block is continuously rotated forwards, so that the shielding cover body is protected from being damaged due to overlarge compression force.
Description
Technical Field
The utility model belongs to the technical field of testing devices, and particularly relates to a filter testing device.
Background
The filter can effectively filter the frequency points of the specific frequency or the frequencies outside the frequency points in the power line to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency, the filter needs to be tested in the research and development production process, and the filter needs to be pressed and positioned through the pressing device during testing so as to facilitate the subsequent measurement and detection operation.
The utility model patent with application number 2021233809243 discloses a filter testing device, which comprises a supporting seat, a testing base connected with the supporting seat, and a pair of pressing and holding parts connected with the supporting seat and respectively arranged on two opposite sides of the testing base; the test base is provided with a test terminal, a filter to be tested is placed on the test base, and the pair of pressing parts are contacted and apply pressure to the filter, so that the input and output terminals of the filter are electrically connected with the test terminal; the pressing part comprises a pressing block, a guide hole is formed in the pressing block, an elastic element is arranged in the guide hole in a penetrating mode, the free end of the elastic element is abutted to the pressing block, and the other end of the elastic element is connected with the supporting seat; the elastic element drives the pressing block to contact and apply pressure to the filter. The filter testing device is free from environmental constraint, strong in universality and free from damaging the shielding cover body of the LC filter by adopting elastic pressing force.
The existing hold-down device used for testing the filter has no pressure limiting structure, the shield cover body is easy to damage when the filter is pressed, the stability is poor, although the elastic element is adopted to buffer the pressing force, the structure for limiting the maximum pressing force is not adopted, namely, the elastic element can still continuously apply and increase the pressing force to the shield cover body after being compressed, the shield cover body cannot be protected from being damaged, and the practicability is not high.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a filter testing device to solve the problems that the existing compression device has no pressure limiting structure in the filter testing process and the shielding cover body is easy to damage in the filter compression process.
The purpose and the efficacy of the filter testing device are achieved by the following specific technical means:
the filter testing device comprises a detection base, wherein a pressing component is arranged at the top of the detection base, and a control component is arranged in the detection base; the pressing assembly comprises a pressing plate, a driving block and a driving rod, wherein the pressing plate is rotationally connected to the top of the detection base, the driving block is inserted into the detection base, and the driving rod is rotationally connected to the inside of the detection base; the two groups of compression assemblies are symmetrically arranged at the top of the detection base; the control assembly comprises a driving shaft, a limiting shaft and an operation block, wherein the driving shaft is rotationally connected to the inside of the detection base, a shaft body of the driving shaft is in transmission connection with a driving rod of the two groups of pressing assemblies through a gear set, the limiting shaft is inserted into the inside of the detection base, the limiting shaft is inserted into the inside of the driving shaft, and the operation block is rotationally connected to the inside of the detection base.
Further, a pressing gear is arranged outside the rotating shaft of the pressing plate, and a pressing rack is arranged at the top of the driving block and is meshed with the gear teeth of the pressing gear.
Further, the outside of actuating lever is equipped with the screw thread, and actuating lever passes through the body of rod screw thread and articulates in the inside of drive piece.
Further, the side of the limiting shaft is provided with a synchronizing column with a regular polygon cross section, the inside of the driving shaft is provided with a synchronizing groove, and the synchronizing column is inserted into the synchronizing groove.
Further, the outside of synchronous post has cup jointed the protection top spring, and the both ends of protection top spring support respectively at the side of drive shaft and spacing axle.
Further, the side surfaces of the limiting shaft, which are opposite to the operating block, are respectively provided with a protection toothed ring, the two protection toothed rings are mutually clamped, the section shape of a single gear tooth of the protection toothed rings is a right triangle, and the straight edges of the gear teeth of the two groups of protection toothed rings are mutually clamped when the operating block reversely rotates.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the device is used, the device can automatically limit the maximum compression force when testing the filter, and after reaching the maximum compression force, the device can automatically stop the operation of continuously applying and increasing the pressure to the shielding cover body even if the operating block is continuously rotated in the forward direction (the rotating direction when the operating block drives the compression plate to compress the shielding cover is in the forward direction), so that the shielding cover body is protected from being damaged due to overlarge compression force, and the device is stable to use and extremely strong in stability and practicability.
2. Can realize compressing tightly the operation of the hold-down plate to the filter and the shield cover body with unclamping through the operation piece, convenient to use is nimble, when rotating the operation piece, the operation piece drives spacing axle rotation, and the synchronizing post passes through the synchronizing groove and drives the drive shaft and rotate when rotating spacing axle to the drive shaft can drive two actuating levers through the gear train synchronization when rotating, and the actuating lever can drive the actuating lever through body of rod screw thread when rotating and remove, thereby the actuating lever compresses tightly the rack and can drive the hold-down plate rotation through compressing tightly the gear when removing, realizes compressing tightly and unclamping the operation to the filter and the shield cover body, convenient to use is nimble.
3. The device can carry out spacingly to the biggest dynamics that compresses tightly the operation, when the operation piece forward rotates and the dynamics that compresses tightly is less than spacing dynamics, this moment, the hypotenuse of two sets of protection ring gears can extrude each other under the effect of protection top spring and stabilize the transmission, realize that the operation piece drives spacing axle synchronous rotation's operation, when the dynamics that compresses tightly is greater than spacing dynamics, the resistance that compresses tightly is greater than the effort of protection top spring to spacing axle this moment, maintain two sets of protection ring gears hypotenuse and extrude driven dynamics each other promptly, afterwards, the spacing axle can be moved to one side voluntarily under the effect of two sets of protection ring gears each other extrusion and dodge, the operation piece can idle only can not continue to carry out transmission operation to spacing axle when continuing to rotate the operation piece afterwards promptly afterwards, thereby make the dynamics that compresses tightly can't continue to increase, avoid the shield cover body because the too big phenomenon of compressing tightly the dynamics to damage takes place, simultaneously when the operation piece is reversed, the mutual joint of straight flange of two sets of protection ring gears can be stable to realize the transmission and drive the pressure plate and loosen the filter and shield cover body, easy and simple to handle, flexible to use.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the inside of the present utility model.
FIG. 3 is a schematic view of the structure of the utility model when the maximum compression force is reached and the operation block is continuously rotated in the forward direction.
Fig. 4 is a schematic view of the control assembly of the present utility model after disassembly.
Fig. 5 is a schematic view of the structure of the compression assembly of the present utility model after disassembly.
Fig. 6 is an enlarged schematic view of the structure of the portion a in fig. 3 according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. detecting a base; 2. a compression assembly; 201. a compacting plate; 2011. a pressing gear; 202. a driving block; 2021. a pressing rack; 203. a driving rod; 3. a control assembly; 301. a drive shaft; 3011. a synchronization groove; 302. a limiting shaft; 3021. a synchronizing column; 3022. protecting the top spring; 303. an operation block; 3031. protecting the toothed ring.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples:
as shown in fig. 1 to 6:
the utility model provides a filter testing device, which comprises a detection base 1, wherein a compression assembly 2 is arranged at the top of the detection base 1, and a control assembly 3 is arranged in the detection base 1; the compressing assembly 2 comprises a compressing plate 201, a driving block 202 and a driving rod 203, wherein the compressing plate 201 is rotationally connected to the top of the detecting base 1, the driving block 202 is inserted into the detecting base 1, and the driving rod 203 is rotationally connected to the inside of the detecting base 1; the two groups of compression assemblies 2 are arranged, and the two groups of compression assemblies 2 are symmetrically arranged at the top of the detection base 1; the control assembly 3 comprises a driving shaft 301, a limiting shaft 302 and an operation block 303, wherein the driving shaft 301 is rotationally connected to the inside of the detection base 1, a shaft body of the driving shaft 301 and driving rods 203 of the two groups of pressing assemblies 2 are in transmission connection through a gear set, the limiting shaft 302 is inserted into the inside of the detection base 1, the limiting shaft 302 is inserted into the inside of the driving shaft 301, and the operation block 303 is rotationally connected to the inside of the detection base 1.
The limiting shaft 302 and the operation block 303 are respectively provided with a protection toothed ring 3031 on opposite sides, the two protection toothed rings 3031 are mutually clamped, the section of a single gear tooth of each protection toothed ring 3031 is right triangle, and the gear tooth straight sides of the two groups of protection toothed rings 3031 are mutually clamped when the operation block 303 reversely rotates, in use, the compressing and loosening operation of the compressing plate 201 on the filter and the shielding cover body can be realized through the operation block 303, the use is convenient and flexible, when the operation block 303 is rotated, the operation block 303 drives the limiting shaft 302 to rotate, the side surface of the limiting shaft 302 is provided with a synchronizing column 3021 with a regular polygon section, the inside of the driving shaft 301 is provided with a synchronizing groove 3011, the synchronizing column 3021 is inserted into the inside of the synchronizing groove 3011, the limiting shaft 302 drives the driving shaft 301 to rotate through the synchronizing groove 3011 when the limiting shaft 302 rotates, the driving shaft 301 can synchronously drive two driving rods 203 to rotate through a gear set, the driving rod 203 is provided with threads through the outside of the rod body, the driving rod 203 is screwed inside the driving block 202, the driving rod 203 can drive the driving rod 202 to move the driving rod 202 through the rod body threads, and the driving rod body 202 is provided with the compressing plate 202 to the compressing and the gear 201 and the gear wheel and the rack 20111 to rotate, and the gear 201 is driven to be compressed and tightly and flexibly arranged on the top of the gear 20111 to rotate, so that the gear is convenient to compress the gear is compressed and compacted and the gear 201 to be used to rotate.
Wherein, protection top spring 3022 has been cup jointed to the outside of synchronization post 3021, and protection top spring 3022's both ends support respectively in the side of drive shaft 301 and spacing axle 302, in use, the device can be spacing to the biggest dynamics that compresses tightly the operation, when operation piece 303 forward rotation and the dynamics that compresses tightly are less than spacing dynamics, at this moment, the hypotenuse of two sets of protection ring gear 3031 can mutual extrusion stable transmission under protection top spring 3022's effect, realize operation that operation piece 303 drives spacing axle 302 synchronous rotation, when the dynamics that compresses tightly is greater than spacing dynamics, at this moment, the compressive resistance is greater than the effort of protection top spring 3022 to spacing axle 302, maintain two sets of protection ring gear 3031's dynamics that the hypotenuse extrudeed transmission each other, afterwards, the operation piece 303 can only idle and can not continue to carry out the transmission operation to spacing axle 302 after that keeps on after that to rotate operation piece 303, thereby make the dynamics that compresses tightly can't continue to increase, use steadily, avoid the shield cover because the dynamics is too big and damage takes place, simultaneously, when operation piece 303 is operated to two sets of protection ring gear carrier 3031 can realize that the steady operation piece 201 is convenient and the filter protector is passed through to the side, when the realization is passed through to the side of two sets of protection ring gear 303, can loosen the filter protector 201, the steady operation board is realized to the side of the filter protector is easy and can be passed down to the side of the side 201
Specific use and action of the embodiment:
in the utility model, after the filter and the shielding cover body are placed on the top of the detection base 1, the control component 3 drives the compressing component 2 to compress the shielding cover body, then the test and detection operation can be started, the compressing and releasing operation of the compressing plate 201 on the filter and the shielding cover body can be realized through the operation block 303, the use is convenient and flexible, when the operation block 303 is rotated, the operation block 303 drives the limiting shaft 302 to rotate, the limiting shaft 302 drives the driving shaft 301 to rotate through the synchronous groove 3011 when rotating, the driving shaft 301 can synchronously drive the two driving rods 203 to rotate through the gear set when rotating, the driving rod 203 can drive the driving block 202 to move through the rod body threads when rotating, the driving block 202 can drive the compressing plate 201 to rotate through the compressing gear 2011 when moving, the compressing and releasing operation on the filter and the shielding cover body can be realized, and the device can limit the maximum compression force of the compression operation, when the operation block 303 rotates forwards and the compression force is smaller than the limit force, the oblique sides of the two groups of protection toothed rings 3031 can mutually extrude and stably drive under the action of the protection top spring 3022 at this moment, the operation that the operation block 303 drives the limit shaft 302 to synchronously rotate is realized, when the compression force is larger than the limit force, the compression resistance is larger than the acting force of the protection top spring 3022 on the limit shaft 302, namely the force for maintaining the oblique sides of the two groups of protection toothed rings 3031 to mutually extrude and drive, the limit shaft 302 can automatically move to one side to avoid under the action of the oblique sides of the two groups of protection toothed rings 3031, namely the operation block 303 only idly rotates and does not continue to drive the limit shaft 302 when the operation block 303 is continuously rotated, so that the compression force can not be continuously increased, the use is stable, the phenomenon that the shielding cover body is damaged due to the overlarge compression force is avoided, meanwhile, when the operation block 303 is reversed, the straight sides of the two groups of protection toothed rings 3031 are clamped with each other, so that the transmission can be stably realized, and the compression plate 201 is driven to loosen the filter and the shielding cover body.
Claims (7)
1. The filter testing device is characterized in that: comprising the following steps: the device comprises a detection base (1), wherein a compression assembly (2) is arranged at the top of the detection base (1), and a control assembly (3) is arranged in the detection base (1); the compressing assembly (2) comprises a compressing plate (201), a driving block (202) and a driving rod (203), wherein the compressing plate (201) is rotationally connected to the top of the detecting base (1), the driving block (202) is inserted into the detecting base (1), and the driving rod (203) is rotationally connected to the inside of the detecting base (1); the two groups of the pressing assemblies (2) are symmetrically arranged at the top of the detection base (1); the control assembly (3) comprises a driving shaft (301), a limiting shaft (302) and an operation block (303), wherein the driving shaft (301) is rotationally connected to the inside of the detection base (1), a shaft body of the driving shaft (301) and driving rods (203) of the two groups of pressing assemblies (2) are in transmission connection, the limiting shaft (302) is inserted into the inside of the detection base (1), the limiting shaft (302) is inserted into the inside of the driving shaft (301), and the operation block (303) is rotationally connected to the inside of the detection base (1).
2. The filter testing device of claim 1, wherein: the external portion of the rotating shaft of the pressing plate (201) is provided with a pressing gear (2011), the top of the driving block (202) is provided with a pressing rack (2021), and gear teeth of the pressing rack (2021) and the pressing gear (2011) are meshed for transmission.
3. The filter testing device of claim 1, wherein: the driving rod (203) is externally provided with threads, and the driving rod (203) is screwed inside the driving block (202) through rod body threads.
4. The filter testing device of claim 1, wherein: the side of spacing axle (302) is equipped with synchronization post (3021), and the inside of drive shaft (301) is equipped with synchronization groove (3011), and synchronization post (3021) peg graft in the inside of synchronization groove (3011).
5. The filter testing device of claim 4, wherein: the outside of synchronization post (3021) cup joints protection top spring (3022), and the both ends of protection top spring (3022) are supported in the side of drive shaft (301) and spacing axle (302) respectively.
6. The filter testing device of claim 1, wherein: the limiting shaft (302) and the operation block (303) are provided with protection toothed rings (3031) on opposite side surfaces, the two protection toothed rings (3031) are clamped with each other, and the straight edges of the gear teeth of the two groups of protection toothed rings (3031) are clamped with each other when the operation block (303) rotates reversely.
7. The filter testing device of claim 1, wherein: the shaft body of the driving shaft (301) is in transmission connection with the driving rods (203) of the two groups of pressing assemblies (2) through a gear set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321491098.6U CN220671546U (en) | 2023-06-13 | 2023-06-13 | Filter testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321491098.6U CN220671546U (en) | 2023-06-13 | 2023-06-13 | Filter testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671546U true CN220671546U (en) | 2024-03-26 |
Family
ID=90341896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321491098.6U Active CN220671546U (en) | 2023-06-13 | 2023-06-13 | Filter testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671546U (en) |
-
2023
- 2023-06-13 CN CN202321491098.6U patent/CN220671546U/en active Active
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