CN219456461U

CN219456461U - Automatic calibrating device of digital multimeter

Info

Publication number: CN219456461U
Application number: CN202320085382.7U
Authority: CN
Inventors: 季强
Original assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Current assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-08-01
Anticipated expiration: 2033-01-30

Abstract

The utility model relates to the technical field of automatic calibration devices of universal meters and discloses an automatic calibration device of a digital universal meter, which comprises a main body, wherein a bottom post is fixedly connected to the bottom end of the main body, a display screen is arranged on one side of the front surface of the main body, a control module is arranged at the bottom end of the front surface of the main body, and a calibration module is arranged on the front surface of the main body.

Description

Automatic calibrating device of digital multimeter

Technical Field

The utility model relates to the technical field of automatic calibration devices of universal meters, in particular to an automatic calibration device of a digital universal meter.

Background

The digital multimeter is a multipurpose electronic measuring instrument and generally comprises functions of an ammeter, a voltmeter, an ohm meter and the like, and the digital multimeter is required to calibrate the digital multimeter through an automatic calibration device before being used, and the automatic calibration device is accurate in calibrating machines, instruments and the like, so that errors in measurement of the multimeter are avoided.

When the existing automatic calibration device calibrates the digital multimeter, the manual multimeter is usually required to be supported manually, and the automatic calibration device calibrates the digital multimeter, because the time for calibrating is too long, the manual multimeter is supported manually for a long time, and the hand pain can be caused, therefore, the automatic calibration device for the digital multimeter is provided.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an automated calibration device for a digital multimeter, which solves the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an automatic calibrating device of digital multimeter, includes the main part, the bottom fixedly connected with end post of main part, the display screen has been seted up to front one side of main part, control module has been seted up to front bottom of main part, calibration module has been seted up in the front of main part, the top fixedly connected with installation piece of main part, the inboard of installation piece runs through first fixed column, the one end fixedly connected with fixation nut of first fixed column, the surface swing joint of first fixed column has the mount pad, the top of mount pad runs through there is the second fixed column, the surface swing joint of second fixed column has first connecting block, the inboard fixedly connected with supporting seat of first connecting block, the inboard swing joint of installation piece has the stopper, the inside swing joint of installation piece has stop bolt, one side fixedly connected with storage mechanism of main part, the inboard swing joint of mount pad has digital multimeter.

Further, the surface of main part has seted up the spout, the inboard swing joint of spout has the slider, the top fixedly connected with second connecting block of slider, one side fixedly connected with gomphosis mechanism of second connecting block.

Furthermore, the storage groove has been seted up on the surface of storage mechanism, storage hole has been seted up on surface one side of storage mechanism, can accomodate the maintenance to the stopper when the stopper does not use through the storage groove.

Furthermore, the clamping groove is formed in one side of the jogging mechanism, the clamping block is movably connected to the inner side of the clamping groove, the jogging block is fixedly connected to one side of the clamping block, and the jogging mechanism and the jogging block can be tightly connected by inserting the clamping block into the clamping groove.

Further, the surface of stopper has offered the spacing hole with spacing bolt looks adaptation, spacing bolt's one end runs through the stopper to extend to the inside of installation piece, can fix the supporting seat in the inboard of installation piece through spacing bolt, prevent that the stopper from sliding in the inboard of installation piece.

Further, one side of the clamping groove is mutually attached to one side of the embedded block, the surface of the embedded block is mutually attached to one side of the second connecting block, and the wire can be fixed through the mutual attachment of the clamping groove and the embedded block.

Further, the number of the sliding blocks and the second connecting blocks is a plurality, the sliding blocks and the second connecting blocks are symmetrically distributed and equally grouped on the inner side of the sliding groove, and the two sliding blocks can slide on the inner side of the sliding groove simultaneously by pushing the two second connecting blocks.

The utility model has the technical effects and advantages that:

according to the utility model, the digital multimeter is supported by the mounting seat, so that the digital multimeter is not required to be manually supported, the hand pain caused by long-term supporting of the digital multimeter is avoided, the angle of the supporting seat can be adjusted by deflecting the first connecting block on the surface of the second fixing column, the angle of the digital multimeter is adjusted, the numerical value displayed by the digital multimeter is convenient to view, the supporting seat can be limited by the limiting block and the limiting bolt, the supporting seat is prevented from sliding on the inner side of the mounting block by itself, and the limiting block and the limiting bolt can be stored by the storage mechanism.

The second connecting block is pushed, so that the sliding block is driven to slide on the inner side of the sliding groove, the embedded block and the embedded mechanism are driven to slide, the embedded mechanism and the embedded block are connected through the embedded action between the clamping block and the clamping groove, the wire connecting the digital multimeter and the main body is fixed, and the wire is prevented from loosening in the calibration process, so that inaccurate calibration and errors are caused.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of the support base of the present utility model.

Fig. 3 is a schematic structural view of the housing mechanism of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 1 at a.

Fig. 5 is a schematic structural view of the fitting mechanism of the present utility model.

The reference numerals are: 1. a main body; 2. a bottom post; 3. a display screen; 4. a control module; 5. a calibration module; 6. a mounting block; 7. a first fixing column; 8. a fixing nut; 9. a mounting base; 10. a second fixing column; 11. a first connection block; 12. a support base; 13. a limiting block; 14. a limit bolt; 15. a storage mechanism; 16. a storage groove; 17. a receiving hole; 18. a chute; 19. a slide block; 20. a second connection block; 21. a fitting mechanism; 22. a clamping groove; 23. a clamping block; 24. a fitting block; 25. a digital multimeter.

Description of the embodiments

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.

Referring to fig. 1-5, the utility model provides an automatic calibration device for a digital multimeter, which comprises a main body 1, wherein a bottom post 2 is fixedly connected to the bottom end of the main body 1, a display screen 3 is arranged on one side of the front surface of the main body 1, a control module 4 is arranged at the bottom end of the front surface of the main body 1, a calibration module 5 is arranged on the front surface of the main body 1, a mounting block 6 is fixedly connected to the top end of the main body 1, a first fixing post 7 penetrates through the inner side of the mounting block 6, one end of the first fixing post 7 is fixedly connected with a fixing nut 8, the surface of the first fixing post 7 is movably connected with a mounting seat 9, a second fixing post 10 penetrates through the top end of the mounting seat 9, a first connecting block 11 is movably connected to the surface of the second fixing post 10, a supporting seat 12 is fixedly connected to the inner side of the first connecting block 11, a limiting block 13 is movably connected to the inner side of the mounting block 6, a limiting bolt 14 is movably connected to the inner side of the mounting block 6, one side of the main body 1 is fixedly connected with a storage mechanism 15, and the inner side of the mounting seat 9 is movably connected with a digital multimeter 25;

the surface of the main body 1 is provided with a sliding groove 18, the inner side of the sliding groove 18 is movably connected with a sliding block 19, the top end of the sliding block 19 is fixedly connected with a second connecting block 20, and one side of the second connecting block 20 is fixedly connected with a jogging mechanism 21.

Wherein, the surface of the storage mechanism 15 is provided with a storage groove 16, one side of the surface of the storage mechanism 15 is provided with a storage hole 17, and the limit bolt 14 can be stored when the limit bolt 14 is not used through the storage hole 17.

Wherein, draw-in groove 22 has been seted up to one side of jogging mechanism 21, and the inboard swing joint of draw-in groove 22 has fixture block 23, and one side fixedly connected with jogging piece 24 of fixture block 23, through the tight connection between jogging mechanism 21 and the jogging piece 24, can fix the wire between connecting body 1 and the digital multimeter 25, prevents that the wire from becoming flexible.

Wherein, the surface of stopper 13 has seted up the spacing hole with spacing bolt 14 looks adaptation, and spacing bolt 14's one end runs through stopper 13 to extend to the inside of installation piece 6, through inserting spacing bolt 14 in the spacing hole on stopper 13 surface, can prevent that supporting seat 12 from promoting stopper 13 and sliding in the inboard of installation piece 6.

Wherein, one side of the clamping groove 22 is mutually attached to one side of the embedded block 24, the surface of the embedded block 24 is mutually attached to one side of the second connecting block 20, and the embedded block 24 can be driven to move by pushing the second connecting block 20 through the mutual attachment of the embedded block 24 and the second connecting block 20.

The number of the sliding blocks 19 and the second connecting blocks 20 is a plurality, the sliding blocks 19 and the second connecting blocks 20 are symmetrically distributed and equally grouped on the inner side of the chute 18, and the second connecting blocks 20 can drive the embedding mechanism 21 and the embedding blocks 24 to perform relative displacement.

The working principle of the utility model is as follows: when the universal meter is calibrated, the bottom post 2 is firstly placed in a flat place to enable the main body 1 to be stable, then the mounting seat 9 deflects on the surface of the first fixed post 7 at the inner side of the fixed nut 8 to enable the mounting seat 9 to be separated from the inner side of the mounting block 6, when the mounting seat 9 deflects on the surface of the first fixed post 7, the first connecting block 11 drives the supporting seat 12 to deflect on the surface of the second fixed post 10 so as to support the mounting seat 9, then the limiting block 13 is taken out from the inner side of the containing groove 16, the limiting block 13 is placed into the inner side of the mounting block 6 to limit the supporting seat 12, then the limiting bolt 14 is taken out from the inner side of the containing hole 17, and the limiting bolt 14 is inserted into the limiting holes at the inner sides of the limiting block 13 and the mounting block 6, therefore, the limiting block 13 is limited, the digital multimeter 25 is placed on the inner side of the mounting seat 9, then the control module 4 is opened, the embedded block 24 and the main body 1 are connected by a wire, then the two second connecting blocks 20 are pushed simultaneously, the two sliding blocks 19 move relatively on the inner side of the sliding groove 18, the clamping block 23 is inserted into the clamping groove 22, the embedded mechanism 21 and the embedded block 24 are connected, the wire is fixed, calibration can be started, the control module 4 is opened, the calibration module 5 is pressed down for calibration before the calibration, the calibration can be completed when the numerical value displayed by the display screen 3 is the same as the numerical value displayed by the digital multimeter 25, and after the calibration is completed, the limiting block 13 and the limiting bolt 14 are placed on the inner side of the storage mechanism 15 for storage and preservation.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides an automatic calibrating device of digital multimeter, includes main part (1), its characterized in that: the utility model discloses a universal meter, including main part (1), control module (4), calibration module (5), installation piece (6) are installed in top fixedly connected with of main part (1), the bottom fixedly connected with foundation (2) of main part (1), display screen (3) have been seted up to positive one side of main part (1), control module (4) have been seted up to positive bottom of main part (1), calibration module (5) have been seted up in the front of main part (1), the inboard of installation piece (6) has first fixed column (7) to run through, the one end fixedly connected with fixation nut (8) of first fixed column (7), the surface swing joint of first fixed column (7) has mount pad (9), the top of mount pad (9) has run through second fixed column (10), the surface swing joint of second fixed column (10) has first connecting block (11), the inboard fixedly connected with supporting seat (12) of first connecting block (11), the inboard swing joint of installation piece (6) has stopper (13), the inside swing joint of installation piece (6) has spacing bolt (14), the inside swing joint of one side (1) has digital multimeter (25) of accommodation mechanism (15).

2. The automated calibration apparatus for a digital multimeter of claim 1 wherein: the sliding chute (18) is formed in the surface of the main body (1), a sliding block (19) is movably connected to the inner side of the sliding chute (18), a second connecting block (20) is fixedly connected to the top end of the sliding block (19), and a jogging mechanism (21) is fixedly connected to one side of the second connecting block (20).

3. The automated calibration apparatus for a digital multimeter of claim 1 wherein: the surface of the storage mechanism (15) is provided with a storage groove (16), and one side of the surface of the storage mechanism (15) is provided with a storage hole (17).

4. The automated calibration apparatus for a digital multimeter of claim 2 wherein: a clamping groove (22) is formed in one side of the jogging mechanism (21), a clamping block (23) is movably connected to the inner side of the clamping groove (22), and a jogging block (24) is fixedly connected to one side of the clamping block (23).

5. The automated calibration apparatus for a digital multimeter of claim 1 wherein: limiting holes matched with limiting bolts (14) are formed in the surface of the limiting block (13), and one end of each limiting bolt (14) penetrates through the limiting block (13) and extends to the inside of the corresponding mounting block (6).

6. The automated calibration apparatus for a digital multimeter of claim 4 wherein: one side of the clamping groove (22) is mutually attached to one side of the embedded block (24), and the surface of the embedded block (24) is mutually attached to one side of the second connecting block (20).

7. The automated calibration apparatus for a digital multimeter of claim 2 wherein: the number of the sliding blocks (19) and the second connecting blocks (20) is a plurality, and the sliding blocks (19) and the second connecting blocks (20) are symmetrically distributed and equally grouped on the inner side of the sliding groove (18).