CN207742229U - A kind of pneumatic testing jig of network filter - Google Patents
A kind of pneumatic testing jig of network filter Download PDFInfo
- Publication number
- CN207742229U CN207742229U CN201820200130.3U CN201820200130U CN207742229U CN 207742229 U CN207742229 U CN 207742229U CN 201820200130 U CN201820200130 U CN 201820200130U CN 207742229 U CN207742229 U CN 207742229U
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- fixed
- network filter
- block
- testing jig
- slot
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Abstract
The utility model is related to filters to test field more particularly to a kind of pneumatic testing jigs of network filter.Its technical solution is：A kind of pneumatic testing jig of network filter, including pinboard are equipped with pcb board on pinboard, the slot for connecting network filter are provided on pcb board；It is fixed with fixed frame on the pinboard, elevating mechanism is installed on fixed frame, the clamping device for clamping network filter is connected on elevating mechanism；It is provided with sliding block on clamping device, sliding slot is provided on fixed frame, slide block set is set in sliding slot.The utility model provides a kind of pneumatic testing jig that network filter steadily can reliably be injected to slot, and part pin contacts bad when solving the problems, such as that network filter is manually inserted into the slot of pneumatic testing jig.
Description
Technical field
The utility model is related to filters to test field more particularly to a kind of pneumatic testing jigs of network filter.
Background technology
The function of filter is exactly that the signal of a certain component frequency is allowed smoothly to pass through, and the letter of another part frequency
Number then inhibited by larger, it is substantially a frequency selection circuit.In filter, signal can by frequency range,
Referred to as passband or passband；Conversely, signal is known as stopband by very big decaying or repressed frequency range completely；Passband and resistance
Boundary frequency between band is known as cutoff frequency；Voltage gain of the ideal filter in passband is constant, the electricity in stopband
It is zero to press gain；There are the intermediate zones of certain frequency range between the passband and stopband of practical filter.The filter produced
Impedance analysis is carried out, is carried out usually on impedance analyzer.When carrying out impedance analysis, need to clamp filter, so
It is tested after carrying out power supply conducting again afterwards.
Number of patent application is that the utility model patent of CN201420472608.X discloses a kind of filters to test fixture, is wrapped
Bottom plate is included, the mounting hole of multiple stationary fixtures is set on the bottom plate, hollow portion is additionally provided on the bottom plate, the bottom plate
It is respectively arranged with slide bar on the downside of vertical two sides, 2 movable blocks, the movement are movably fixed on described two slide bars
Block can be axially moved along the slide bar, and adapter, the adapter connecting test line and production are provided on the downside of the movable block
Product are used for Fault detection filter, can adjust the distance between described adapter by moveable movable block, therefore can be applicable in
In different product sizes, a kind of filter that can change test point position at any time according to the size of required test product is provided
Wave device test fixture.
But when above-mentioned filters to test fixture clamping filter, need that network filter is artificially mounted on pcb board
On slot.Manual operation is easy to make certain pins of network filter not inject in slot accurately, leads to part pin
Poor contact is handed over, test effect is finally made to have deviation.
Utility model content
The utility model overcomes the deficiencies in the prior art, provide one kind can by network filter steadily reliably inject insert
The pneumatic testing jig of slot, solve part pin when network filter being manually inserted into the slot of pneumatic testing jig contact it is bad
Problem.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of pneumatic testing jig of network filter, including pinboard are equipped with pcb board on pinboard, are arranged on pcb board
It is useful for the slot of connection network filter；It is fixed with fixed frame on the pinboard, elevating mechanism is installed on fixed frame, rises
The clamping device for clamping network filter is connected on descending mechanism；It is provided with sliding block on clamping device, is arranged on fixed frame
There are sliding slot, slide block set to be set in sliding slot.
As the preferred embodiment of the utility model, the elevating mechanism includes nut, and nut is fixed on fixed frame, nut
It is threaded with leading screw, one end of leading screw is fixed with handwheel, and the other end of leading screw is connected with rotation connection head, is rotatablely connected head
The other end is connect with clamping device.
As the preferred embodiment of the utility model, the rotation connection head includes link slot, and it is remote that link slot is fixed on leading screw
One end from handwheel is arranged with connector in link slot, and the other end and the clamping device of connector are fixed.
As the preferred embodiment of the utility model, the clamping device includes fixed block, and sliding block is set on fixed block, Gu
The one end for determining block is connect with elevating mechanism, and the other end of fixed block is connected separately with stretching assembly and two rocking bars, stretching assembly
Fixed with fixed block, rocking bar and fixed block are hinged, and the other end of rocking bar is hinged with gripper jaw, the middle parts of two gripper jaws respectively with
The one end of stretching assembly far from fixed block is hinged.
As the preferred embodiment of the utility model, the stretching assembly includes telescopic cylinder, the cylinder sleeve of telescopic cylinder with it is solid
Determine block to fix, tension block is fixed on the piston rod of telescopic cylinder, tension block is hinged with two gripper jaws respectively.
As the preferred embodiment of the utility model, the end of the gripper jaw is hinged with clamping plate.
Compared with prior art, the utility model has the beneficial effects that：
1, there is the utility model clamping device, clamping device can clamp network filter.Clamping device filters network
After wave device clamps, elevating mechanism drives clamping device to decline, and is more injected on pcb board simultaneously to all pins of network filter
Associated socket in.Network filter not will produce inclination, thus, each pin can avoid part with slot reliable contacts
Pin poor contact or the problem of fracture.In the case where each pin well contacts, the test result energy of network filter
It is more accurate.
2, when rotating handwheel, leading screw rotates in nut, then clamping device rotation connection head transmission under rise or
Decline.It needs, when installing network filter on pcb board, to rise clamping device first with elevating mechanism, then use clamping device
Network filter is clamped, handwheel is rotated, leading screw pushes rotation connection head and clamping device steadily to move down, then network filter can
Stable is installed on pcb board.
When 3, rotating and move in nut when leading screw, connector rotates in link slot, to which clamping device can only rise
Drop movement avoids generating movement interference.
4, slider-rocker mechanism is formed between rocking bar, gripper jaw, stretching assembly.When stretching assembly is withdrawn, two pieces of clampings
Pawl rotates in opposite directions under the pulling of stretching assembly, to which two gripper jaws can smoothly clamp network filter.Liter is driven again
Descending mechanism push when, network filter can always with pcb board keeping parallelism so that network filter can be installed accurately.Network is filtered
All pins of wave device are inserted into slot simultaneously, then the pin of network filter can contact well, and guarantee reaches good survey
Try effect.
5, when telescopic cylinder retracts tension block, two gripper jaws rotate in opposite directions；When telescopic cylinder releases tension block
When, two pieces of gripper jaws rotate opposite to each other.To, it is only necessary to it drives the action of draft cylinder that stablizing for network filter can be realized and pacifies
Dress, installation are relatively reliable.
6, clamping plate can be bonded with the end face of network filter, and network filter is avoided to generate inclination, ensure network filtering
Device can be installed more smoothly.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the local structural graph of the utility model.
In figure, 1- pinboards, 2- fixed frames, 3- elevating mechanisms, 4- clamping devices, 11-PCB plates, 21- sliding slots, 31- spiral shells
Mother, 32- leading screws, 33- handwheels, 34- are rotatablely connected head, 41- sliding blocks, 42- fixed blocks, 43- stretching assemblies, 44- rocking bars, 45- folders
Hold pawl, 431- telescopic cylinders, 432- tension blocks, 46- clamping plates, 341- link slots, 342- connectors.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Embodiment one
A kind of pneumatic testing jig of network filter, including pinboard 1 are equipped with pcb board 11, pcb board 11 on pinboard 1
On be provided with slot for connecting network filter, be fixed with fixed frame 2 on the pinboard 1, liter be installed on fixed frame 2
Descending mechanism 3 is connected with the clamping device 4 for clamping network filter on elevating mechanism 3；It is provided with sliding block on clamping device 4
41, sliding slot 21 is provided on fixed frame 2, and sliding block 41 is sheathed in sliding slot 21.
There is the utility model clamping device 4, clamping device 4 can clamp network filter.Clamping device 4 filters network
After wave device clamps, elevating mechanism 3 drives clamping device 4 to decline, and more pcb board is injected simultaneously to all pins of network filter
In associated socket on 11.Network filter not will produce inclination, thus, each pin can be avoided with slot reliable contacts
Part pin poor contact or the problem of fracture.In the case where each pin well contacts, the test knot of network filter
Fruit can be more accurate.
Embodiment two
On the basis of embodiment one, the elevating mechanism 3 includes nut 31, and nut 31 is fixed on fixed frame 2, nut
31 are threaded with leading screw 32, and one end of leading screw 32 is fixed with handwheel 33, and the other end of leading screw 32 is connected with rotation connection head 34,
The other end of rotation connection head 34 is connect with clamping device 4.
When rotating handwheel 33, the rotation in nut 31 of leading screw 32, then clamping device 4 is under the transmission of rotation connection head 34
It rises or falls.It needs, when installing network filter on pcb board 11, to rise clamping device 4 first with elevating mechanism 3, then
Network filter is clamped with clamping device 4, rotates handwheel 33, leading screw 32 pushes rotation connection head 34 and clamping device 4 steady
It moves down, then what network filter can be stablized is installed on pcb board 11.
Embodiment three
On the basis of embodiment one or embodiment two, the rotation connection head 34 includes link slot 341, link slot 341
It is fixed on the one end of leading screw 32 far from handwheel 33, connector 342, the other end and folder of connector 342 are arranged in link slot 341
Hold the fixation of mechanism 4.
When leading screw 32 rotates in nut 31 and moves, the rotation in link slot 341 of connector 342, to clamping machine
Structure 4 can lifting moving, avoid generate movement interference.
Example IV
On the basis of above-mentioned any one embodiment, the clamping device 4 includes fixed block 42, and sliding block 41 is set to solid
Determine on block 42, one end of fixed block 42 is connect with elevating mechanism 3, and the other end of fixed block 42 is connected separately with 43 He of stretching assembly
Two rocking bars 44, stretching assembly 43 are fixed with fixed block 42, and rocking bar 44 is hinged with fixed block 42, and the other end of rocking bar 44 is hinged with
The middle part of gripper jaw 45, two gripper jaws 45 is hinged with the one end of stretching assembly 43 far from fixed block 42 respectively.
Slider-rocker mechanism is formed between rocking bar 44, gripper jaw 45, stretching assembly 43.When stretching assembly 43 is withdrawn, two
Block gripper jaw 45 rotates in opposite directions under the pulling of stretching assembly 43, to which two gripper jaws 45 can smoothly press from both sides network filter
Tightly.When elevating mechanism 3 being driven to push again, network filter can always with 11 keeping parallelism of pcb board so that network filter can be accurate
Really installation.All pins of network filter are inserted into slot simultaneously, then the pin of network filter can contact well, ensure
Reach good test effect.
Embodiment five
On the basis of above-mentioned any one embodiment, the stretching assembly 43 includes telescopic cylinder 431, telescopic cylinder
431 cylinder sleeve is fixed with fixed block 42, is fixed with tension block 432 on the piston rod of telescopic cylinder 431, tension block 432 respectively with
Two gripper jaws 45 are hinged.
When telescopic cylinder 431 retracts tension block 432, two gripper jaws 45 rotate in opposite directions；When telescopic cylinder 431 will be drawn
When stretching the release of block 432, two pieces of gripper jaws 45 rotate opposite to each other.To, it is only necessary to drive the action of draft cylinder 431 that net can be realized
Network filter stablizes installation, and installation is relatively reliable.
Embodiment six
On the basis of above-mentioned any one embodiment, the end of the gripper jaw 45 is hinged with clamping plate 46.Clamping plate
46 can be bonded with the end face of network filter, and network filter is avoided to generate inclination, ensure that network filter can be more smoothly
Installation.
Claims (6)
1. a kind of pneumatic testing jig of network filter, including pinboard (1), pcb board (11), PCB are installed on pinboard (1)
The slot for connecting network filter is provided on plate (11)；It is characterized in that, being fixed with fixed frame on the pinboard (1)
(2), elevating mechanism (3) is installed on fixed frame (2), the clamping for clamping network filter is connected on elevating mechanism (3)
Mechanism (4)；It is provided with sliding block (41) on clamping device (4), sliding slot (21) is provided on fixed frame (2), sliding block (41) is sheathed on
In sliding slot (21).
2. a kind of pneumatic testing jig of network filter according to claim 1, which is characterized in that the elevating mechanism
(3) include nut (31), nut (31) is fixed on fixed frame (2), and nut (31) is threaded with leading screw (32), leading screw (32)
One end be fixed with handwheel (33), the other end of leading screw (32) is connected with rotation connection head (34), rotation connection head (34) it is another
One end is connect with clamping device (4).
3. a kind of pneumatic testing jig of network filter according to claim 2, which is characterized in that the rotation connection head
(34) include link slot (341), link slot (341) is fixed on the one end of leading screw (32) far from handwheel (33), in link slot (341)
It is arranged with connector (342), the other end and clamping device (4) of connector (342) are fixed.
4. a kind of pneumatic testing jig of network filter according to claim 1 or 2, which is characterized in that the clamping machine
Structure (4) includes fixed block (42), and sliding block (41) is set on fixed block (42), one end and the elevating mechanism (3) of fixed block (42)
Connection, the other end of fixed block (42) are connected separately with stretching assembly (43) and two rocking bars (44), stretching assembly (43) with consolidate
It is fixed to determine block (42), rocking bar (44) is hinged with fixed block (42), and the other end of rocking bar (44) is hinged with gripper jaw (45), two folders
The middle part for holding pawl (45) is hinged with the one end of stretching assembly (43) far from fixed block (42) respectively.
5. a kind of pneumatic testing jig of network filter according to claim 4, which is characterized in that the stretching assembly
(43) include telescopic cylinder (431), the cylinder sleeve and fixed block (42) of telescopic cylinder (431) are fixed, the piston of telescopic cylinder (431)
Tension block (432) is fixed on bar, tension block (432) is hinged with two gripper jaws (45) respectively.
6. a kind of pneumatic testing jig of network filter according to claim 5, which is characterized in that the gripper jaw (45)
End be hinged with clamping plate (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200130.3U CN207742229U (en) | 2018-02-05 | 2018-02-05 | A kind of pneumatic testing jig of network filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200130.3U CN207742229U (en) | 2018-02-05 | 2018-02-05 | A kind of pneumatic testing jig of network filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742229U true CN207742229U (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200130.3U Active CN207742229U (en) | 2018-02-05 | 2018-02-05 | A kind of pneumatic testing jig of network filter |
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| Country | Link |
|---|---|
| CN (1) | CN207742229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238864A (en) * | 2019-07-09 | 2019-09-17 | 西拓能源集团有限公司 | Steam power plant's aquation workshop accident emergency device |
-
2018
- 2018-02-05 CN CN201820200130.3U patent/CN207742229U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238864A (en) * | 2019-07-09 | 2019-09-17 | 西拓能源集团有限公司 | Steam power plant's aquation workshop accident emergency device |
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