CN111856087A - Device for evaluating and inspecting fixed attenuator - Google Patents
Device for evaluating and inspecting fixed attenuator Download PDFInfo
- Publication number
- CN111856087A CN111856087A CN202010763360.2A CN202010763360A CN111856087A CN 111856087 A CN111856087 A CN 111856087A CN 202010763360 A CN202010763360 A CN 202010763360A CN 111856087 A CN111856087 A CN 111856087A
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- evaluating
- evaluation
- mounting
- main body
- fixed attenuator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a device for evaluating and inspecting a fixed attenuator, which comprises an evaluation and inspection device main body, an adjusting mechanism, a connecting mechanism and a resetting mechanism, wherein the adjusting mechanism comprises a placing rack; according to the invention, through the arranged placing rack, the situation that the device is directly placed on the workbench and the display data of the device cannot be conveniently checked by people with different heights is effectively avoided, the adjustment of the display angle of the evaluation and inspection device main body is facilitated, the convenience of the use of the device is greatly improved, through the arranged extrusion block, the situation that a handle on the device is connected with the evaluation and inspection device main body through a bolt is effectively avoided, the installation and disassembly processes are complicated, the labor cost is saved, the installation and disassembly efficiency of workers is improved, through the arranged rubber column, the situation that a function key on the device is possibly sunk into the operation panel after being pressed for a long time is effectively avoided, the accurate resetting of the function key is facilitated, the normal operations of the evaluation and detection device for evaluating and detecting a fixed attenuator are.
Description
Technical Field
The invention belongs to the technical field of evaluation and detection devices, and particularly relates to a device for evaluating and detecting a fixed attenuator.
Background
The attenuator is an electronic component for providing attenuation, is widely applied to electronic equipment, and has the main purposes that: adjusting the size of a signal in the circuit; in the comparison method measuring circuit, the attenuation value of the measured network can be directly read; the impedance matching is improved, and if some circuits require a relatively stable load impedance, an attenuator can be inserted between the circuit and the actual load impedance, so that the impedance change can be buffered. Before the attenuator is put into use, the attenuator needs to be evaluated and detected, and an evaluation and detection device is needed.
However, the existing attenuator evaluation and detection device still has some defects in the use process, the device is directly placed on a workbench when in use, the display angle of an evaluation and detection device main body is inconvenient to adjust, inconvenience is brought to people with different heights to check display data of the device, a handle on the device is generally connected with the evaluation and detection device main body through bolts, the installation and disassembly processes are complicated, the installation and disassembly efficiency of workers is reduced, a function key on the device is pressed for a long time and possibly falls into the inside of an operation panel, the accurate resetting of the function key cannot be ensured, and the normal operation of the device on the fixed attenuator such as evaluation and detection cannot be ensured.
Disclosure of Invention
The present invention is directed to an apparatus for evaluating a test fixture attenuator to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a device for evaluating and checking a fixed attenuator comprises an evaluation and checking device main body, an adjusting mechanism, a connecting mechanism and a resetting mechanism, the adjusting mechanism comprises a placing rack, a rotating shaft is rotatably connected at the gap between the surfaces of the two ends of the main body of the evaluation and inspection device and the inner side surface of the placing rack, the rotating shaft penetrates through the surface of one side of the placing rack, the surface of the rotating shaft is provided with a mounting hole, a clamping block is arranged outside the mounting hole, a first spring is connected at the gap between the fixture block and the mounting hole, an adjusting hole is arranged on the surface of one side of the placing frame, one side of the fixture block is positioned inside the adjusting hole, and the other side of the fixture block is positioned outside the placing rack, the top of the evaluation and inspection device main body is provided with a handle, the clearance department of the top surface of aassessment verifying attachment main part and the bottom surface of handle is provided with the mounting panel, and the bottom surface of mounting panel and the top surface fixed connection of aassessment verifying attachment main part.
Preferably, coupling mechanism is located the junction of handle and mounting panel, coupling mechanism is including extruding the piece, the standing groove has been seted up on the rear end surface of mounting panel, and the bottom of handle is located the inside of standing groove, the both sides fixed surface of standing groove installs and inserts the post, a side surface of handle and the outside that is located the mounting panel have seted up first mounting groove, one side of extrusion piece is located the inside of first mounting groove, a side surface of extrusion piece is connected with the second spring in a side surface's of first mounting groove clearance department, a side fixed surface of extrusion piece installs the picture peg, it runs through in the picture peg to insert the post.
Preferably, an operation panel is arranged on the front end surface of the evaluation and inspection device body, a function key is arranged on the front end surface of the operation panel, the reset mechanism is located in a gap between the operation panel and the function key, the reset mechanism comprises a rubber column, a second mounting groove is formed in the front end surface of the operation panel, a connecting block is fixedly mounted on one side surface of the second mounting groove, sliding grooves are formed in both end surfaces of the second mounting groove, one side surface of the rubber column is fixedly connected with one side surface of the function key, the other side surface of the rubber column is fixedly connected with one side surface of the connecting block, a limiting plate is sleeved on one side surface of the rubber column, sliding blocks are fixedly connected with both end surfaces of the limiting plate, the rubber column penetrates through the limiting plate, and a limiting block is fixedly connected with the inner side surface of the operation panel, and the surface of one side of the limiting plate is fixedly connected with a spring sleeve, and the spring sleeve is arranged on the rubber column and is fixedly connected with the surface of one side of the connecting block.
Preferably, a rotating disc is fixedly mounted on the surface of one side of the rotating shaft, and anti-skid grains are arranged on the surface of the rotating disc.
Preferably, the number of the adjusting holes is provided with three groups, and the adjusting holes are all arranged on one side surface of the placing frame.
Preferably, the number of the first springs is two, and the two first springs are symmetrically and fixedly connected to one side surface of the fixture block.
Preferably, a round hole is formed in the surface of one side of the inserting plate, and the inserting column is matched with the round hole for use.
Preferably, four groups of the extrusion blocks are arranged, and the four groups of the extrusion blocks penetrate through the surface of one side of the handle.
Preferably, the number of the sliding blocks is two, the number of the sliding grooves is two, and the sliding blocks are respectively located in the sliding grooves.
Preferably, the number of the limiting blocks is two, and the two limiting blocks are symmetrically arranged on one side of the limiting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. through the rack that sets up, effectively avoided the device directly to place on the workstation, the device display data is looked over to the people of inconvenient height difference, is favorable to the adjustment to assess the demonstration angle of verifying attachment main part, has improved the convenience that the device used greatly.
2. Through the extrusion piece that sets up, effectively avoided using bolted connection between the handle on the device and the aassessment verifying attachment main part, the installation, the dismantlement process is loaded down with trivial details, is favorable to using manpower sparingly the cost, improves staff's installation, dismantlement efficiency.
3. Through the rubber column that sets up, effectively avoided the function button on the device to press down the inside that probably sinks into operating panel for a long time, be favorable to accurate the reseing of function button, guaranteed that aassessment detection device assesses normal operations such as detection to fixed attenuator, the practicality is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side connecting sectional view of the rotating shaft and the placing frame in FIG. 1 according to the present invention;
FIG. 3 is a front cross-sectional view of the handle and mounting plate of FIG. 1 in accordance with the present invention;
FIG. 4 is a top connection cross-sectional view of the operation panel and the function keys of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of A of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged view of B of FIG. 3 in accordance with the present invention;
FIG. 7 is an enlarged view of C of FIG. 4 in accordance with the present invention;
in the figure: 1. evaluating the test device body; 2. mounting a plate; 3. a handle; 4. extruding the block; 5. a rotating shaft; 6. an operation panel; 7. function keys; 8. placing a rack; 9. rotating the disc; 10. an adjustment hole; 11. a clamping block; 12. a first spring; 13. mounting holes; 14. a second spring; 15. a placement groove; 16. inserting plates; 17. inserting a column; 18. a chute; 19. connecting blocks; 20. a spring housing; 21. a rubber column; 22. a limiting plate; 23. a limiting block; 24. a slider; 25. a first mounting groove; 26. and a second mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: a device for evaluating and inspecting a fixed attenuator comprises an evaluation and inspection device main body 1, an adjusting mechanism, a connecting mechanism and a resetting mechanism, wherein the adjusting mechanism comprises a placing frame 8, a rotating shaft 5 is rotatably connected to a gap between the surfaces of two ends of the evaluation and inspection device main body 1 and the inner side surface of the placing frame 8, the rotating shaft 5 penetrates through one side surface of the placing frame 8, a mounting hole 13 is formed in the surface of the rotating shaft 5, a clamping block 11 is arranged outside the mounting hole 13, a first spring 12 is connected to the gap between the clamping block 11 and the mounting hole 13, an adjusting hole 10 is formed in one side surface of the placing frame 8, one side of the clamping block 11 is positioned inside the adjusting hole 10, the other side of the clamping block 11 is positioned outside the placing frame 8, a handle 3 is arranged at the top of the evaluation and inspection device main body 1, a mounting plate 2 is arranged at the gap, and the bottom end surface of the mounting plate 2 is fixedly connected to the top end surface of the evaluation test device main body 1.
In this embodiment, preferably, the connection mechanism is located at a connection position between the handle 3 and the mounting plate 2, the connection mechanism includes an extrusion block 4, a placement groove 15 is formed in a rear end surface of the mounting plate 2, a bottom end of the handle 3 is located inside the placement groove 15, insertion posts 17 are fixedly mounted on two side surfaces of the placement groove 15, a first mounting groove 25 is formed in a side surface of the handle 3 and located outside the mounting plate 2, one side of the extrusion block 4 is located inside the first mounting groove 25, a second spring 14 is connected to a side surface of the extrusion block 4 at a gap of the side surface of the first mounting groove 25, an insertion plate 16 is fixedly mounted on one side surface of the extrusion block 4, the insertion posts 17 penetrate through the insertion plate 16, thereby effectively avoiding the bolt connection between the handle 3 and the evaluation and inspection device main body 1, the installation and disassembly processes are complicated, which is beneficial to saving labor cost, and improving the installation and inspection of, And (4) disassembling efficiency.
In this embodiment, preferably, the front end surface of the evaluation and inspection device main body 1 is provided with an operation panel 6, the front end surface of the operation panel 6 is provided with a function key 7, the reset mechanism is located at a gap between the operation panel 6 and the function key 7, the reset mechanism includes a rubber column 21, the front end surface of the operation panel 6 is provided with a second mounting groove 26, one side surface of the second mounting groove 26 is fixedly provided with a connecting block 19, both end surfaces of the second mounting groove 26 are respectively provided with a sliding groove 18, one side surface of the rubber column 21 is fixedly connected with one side surface of the function key 7, the other side surface of the rubber column 21 is fixedly connected with one side surface of the connecting block 19, one side surface of the rubber column 21 is sleeved with a limiting plate 22, both end surfaces of the limiting plate 22 are fixedly connected with a sliding block 24, the rubber column 21 penetrates through the limiting plate 22, the inner, one side fixed surface of limiting plate 22 is connected with spring housing 20, and spring housing 20 establishes on rubber column 21 and is connected with one side fixed surface of connecting block 19, has effectively avoided the function button 7 on the device to press down the inside that probably sinks into operating panel 6 for a long time, is favorable to the accuracy of function button 7 to reset, has guaranteed that aassessment detection device assesses normal operation such as detection to fixed attenuator, and the practicality is stronger.
In this embodiment, preferably, the rotating disc 9 is fixedly installed on one side surface of the rotating shaft 5, and the surface of the rotating disc 9 is provided with anti-slip patterns, so as to facilitate the rotating shaft 5 to rotate more quickly.
In this embodiment, preferably, three groups of adjusting holes 10 are provided, and the three groups of adjusting holes 10 are all opened on one side surface of the placing frame 8, so as to determine the rotation angle of the rotating shaft 5, and further determine the adjustment angle of the evaluation and inspection device main body 1.
In this embodiment, preferably, two sets of the first springs 12 are provided, and the two sets of the first springs 12 are symmetrically and fixedly connected to one side surface of the latch 11, so that the latch 11 and the mounting hole 13 can be connected more firmly.
In this embodiment, preferably, a circular hole is formed in a surface of one side of the inserting plate 16, and the inserting column 17 is matched with the circular hole, so that the inserting plate 16 and the inserting column 17 can be better matched for use.
In this embodiment, preferably, four sets of the pressing blocks 4 are provided, and the four sets of the pressing blocks 4 penetrate through one side surface of the handle 3, so that the pressing blocks 4 can be pressed inward outside the handle 3.
In this embodiment, preferably, two sets of the sliding blocks 24 are provided, two sets of the sliding grooves 18 are provided, and the two sets of the sliding blocks 24 are respectively located inside the sliding grooves 18, so that the two end surfaces of the limiting plate 22 are slidably connected with the inner side surface of the operation panel 6.
In this embodiment, preferably, the number of the limiting blocks 23 is two, and the two sets of limiting blocks 23 are symmetrically disposed on one side of the limiting plate 22, so as to be convenient for abutting against the two ends of the limiting plate 22, and prevent the functional keys 7 from being reset excessively.
The working principle and the using process of the invention are as follows: the device is convenient for the main body 1 of the evaluation and inspection device to be rotatably connected with the placing frame 8 through the arranged rotating shaft 5 in the using process, the fixture block 11 is convenient to pop out from the inside of the adjusting hole 10 by the elasticity of the first spring 12 through the arranged adjusting hole 10, so that the connection between the rotating shaft 5 and the placing frame 8 is fixed, and further the connection between the main body 1 of the evaluation and inspection device and the placing frame 8 is fixed, when the rotating angle of the main body 1 of the evaluation and inspection device needs to be adjusted, the fixture block 11 is pressed inwards to be away from the inside of the adjusting hole 10, then the rotating disc 9 is rotated through the arranged rotating disc 9, the rotating shaft 5 is driven to rotate in the inside of the placing frame 8, after the rotating shaft rotates to a proper distance, the fixture block 11 can pop out from the inside of the other group of adjusting holes 10, so that the adjusting angle of the main body 1 of the evaluation and inspection device is fixed, and the device is, the display data of the device is checked by people with different heights, the adjustment and evaluation of the display angle of the main body 1 of the inspection device are facilitated, and the use convenience of the device is greatly improved. When the handle 3 needs to be disassembled, the squeezing block 4 is pressed inwards, so that the inserting plate 16 is separated from the surface of the inserting column 17, the handle 3 slides out from the inner part of the placing groove 15, the handle 3 is separated from the mounting plate 2, the handle 3 is disassembled from the main body 1 of the evaluation and inspection device, through the extrusion piece 4 that sets up, effectively avoided using bolted connection between handle 3 on the device and the aassessment verifying attachment main part 1, the installation, the dismantlement process is loaded down with trivial details, is favorable to using manpower sparingly the cost, improves staff's installation, dismantlement efficiency. When the function key 7 is pressed inwards in the using process, and the evaluation and inspection device body 1 carries out normal operation such as evaluation and detection on the fixed attenuator, the function key 7 is pressed, the function key 7 presses the rubber column 21, so that the spring housing 20 is compressed and the sliding blocks 24 connected to the surfaces of both ends of the restriction plate 22 slide inside the slide grooves 18 while being pressed, and after being released, the tension of the spring housing 20 causes the rubber post 21 to move to one side, then the two groups of limit blocks 23 prop against the two ends of the limit plate 22 to prevent the functional keys 7 from being reset excessively, thereby make function button 7 can reset, through the rubber column 21 that sets up, effectively avoided function button 7 on the device to press down the inside that probably sinks into operating panel 6 for a long time, be favorable to accurate of function button 7 to reset, guaranteed that aassessment detection device assesses normal operation such as detection to fixed attenuator, the practicality is stronger.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An apparatus for evaluating a fixed attenuator for inspection, comprising an evaluation inspection apparatus main body (1), an adjusting mechanism, a connecting mechanism and a returning mechanism, characterized in that: the adjusting mechanism comprises a placing frame (8), a rotating shaft (5) is rotatably connected at a gap between the surfaces of the two ends of the evaluation and inspection device main body (1) and the inner side surface of the placing frame (8), the rotating shaft (5) penetrates through one side surface of the placing frame (8), a mounting hole (13) is formed in the surface of the rotating shaft (5), a clamping block (11) is arranged outside the mounting hole (13), a first spring (12) is connected at the gap between the clamping block (11) and the mounting hole (13), an adjusting hole (10) is formed in one side surface of the placing frame (8), one side of the clamping block (11) is located inside the adjusting hole (10), the other side of the clamping block (11) is located outside the placing frame (8), a handle (3) is arranged at the top of the evaluation and inspection device main body (1), a mounting plate (2) is arranged at the gap between the top end surface of the evaluation and the bottom end surface of the handle (3), and the bottom end surface of the mounting plate (2) is fixedly connected with the top end surface of the evaluation and inspection device main body (1).
2. The apparatus for evaluating a test fixed attenuator of claim 1, wherein: coupling mechanism is located the junction of handle (3) and mounting panel (2), coupling mechanism is including extrusion piece (4), standing groove (15) have been seted up on the rear end surface of mounting panel (2), and the bottom of handle (3) is located the inside of standing groove (15), the both sides fixed surface of standing groove (15) installs and inserts post (17), first mounting groove (25) have been seted up to a side surface of handle (3) and the outside that is located mounting panel (2), one side of extrusion piece (4) is located the inside of first mounting groove (25), a side surface of extrusion piece (4) is connected with second spring (14) in the clearance department of a side surface of first mounting groove (25), one side fixed surface of extrusion piece (4) installs picture peg (16), insert post (17) and run through in picture peg (16).
3. The apparatus for evaluating a test fixed attenuator of claim 1, wherein: the front end surface of the evaluation and inspection device main body (1) is provided with an operation panel (6), the front end surface of the operation panel (6) is provided with a function key (7), the reset mechanism is located at the gap between the operation panel (6) and the function key (7), the reset mechanism comprises a rubber column (21), the front end surface of the operation panel (6) is provided with a second mounting groove (26), one side surface of the second mounting groove (26) is fixedly provided with a connecting block (19), the two end surfaces of the second mounting groove (26) are respectively provided with a sliding groove (18), one side surface of the rubber column (21) is fixedly connected with one side surface of the function key (7), the other side surface of the rubber column (21) is fixedly connected with one side surface of the connecting block (19), one side surface of the rubber column (21) is sleeved with a limiting plate (22), the utility model discloses a rubber column, including limiting plate (22), rubber column (21), inboard fixed surface of operating panel (6) is connected with stopper (23), one side fixed surface of limiting plate (22) is connected with spring housing (20), and spring housing (20) establish on rubber column (21) and with one side fixed surface of connecting block (19) be connected with slider (24) at the both ends fixed surface of limiting plate (22), rubber column (21) runs through in limiting plate (22).
4. The apparatus for evaluating a test fixed attenuator of claim 1, wherein: a rotating disc (9) is fixedly mounted on the surface of one side of the rotating shaft (5), and anti-skid grains are arranged on the surface of the rotating disc (9).
5. The apparatus for evaluating a test fixed attenuator of claim 1, wherein: the number of the adjusting holes (10) is provided with three groups, and the adjusting holes (10) are all arranged on one side surface of the placing frame (8).
6. The apparatus for evaluating a test fixed attenuator of claim 1, wherein: the number of the first springs (12) is two, and the two first springs (12) are symmetrically and fixedly connected to one side surface of the fixture block (11).
7. The apparatus for evaluating a test fixed attenuator of claim 2, wherein: a round hole is formed in the surface of one side of the inserting plate (16), and the inserting column (17) is matched with the round hole for use.
8. The apparatus for evaluating a test fixed attenuator of claim 2, wherein: four groups of squeezing blocks (4) are arranged in number, and the four groups of squeezing blocks (4) all penetrate through the surface of one side of the handle (3).
9. The apparatus for evaluating a test fixed attenuator of claim 3, wherein: the number of the sliding blocks (24) is two, the number of the sliding grooves (18) is two, and the two sliding blocks (24) are respectively positioned in the sliding grooves (18).
10. The apparatus for evaluating a test fixed attenuator of claim 3, wherein: the number of the limiting blocks (23) is two, and the limiting blocks (23) are symmetrically arranged on one side of the limiting plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763360.2A CN111856087B (en) | 2020-08-01 | 2020-08-01 | Device for evaluating and checking fixed attenuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763360.2A CN111856087B (en) | 2020-08-01 | 2020-08-01 | Device for evaluating and checking fixed attenuator |
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| CN111856087B CN111856087B (en) | 2023-09-22 |
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