CN219302647U

CN219302647U - Calibration mechanism for AC/DC ammeter calibrator

Info

Publication number: CN219302647U
Application number: CN202223394957.8U
Authority: CN
Inventors: 居川
Original assignee: Nanjing Duheng Electromechanical Engineering Co ltd
Current assignee: Nanjing Duheng Electromechanical Engineering Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-07-04
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to a calibration mechanism for an AC/DC ammeter calibrator, which comprises a protection box, wherein a calibrator is fixed on the inner bottom wall of the protection box, a plurality of binding posts are fixed on the top surface of the calibrator, a plurality of clamping assemblies for fixing detection and calibration wires are arranged on the left side of the protection box, and a storage assembly for storing articles is arranged in the protection box. This calibration mechanism for AC/DC ammeter check gauge, when using, will detect check-up wire and connect on the terminal, then carry out the check-up through the check-up ware, can fix detection check-up wire fast through clamping assembly, avoid in the check-up process, because of unexpected pulling wire of external factor makes the wire take off, simultaneously, clamping assembly can classify detection check-up wire and be convenient for the staff to carry out the plug, clamping assembly will detect on check-up wire centre gripping and the unified horizontal plane for whole more pleasing to the eye, the neatly nature is better, clamping assembly adopts two-way centre gripping, fixed effect is better.

Description

Calibration mechanism for AC/DC ammeter calibrator

Technical Field

The utility model relates to the technical field of AC/DC ammeter calibration instruments, in particular to a calibration mechanism for an AC/DC ammeter calibration instrument.

Background

The current with the unchanged direction is called direct current, the current in the coil repeatedly changes the same when the coil of the alternating current generator rotates for one circle, the change is called periodic change, the current with the periodically changed size and direction is called alternating current, no matter the current is direct current or alternating current, a wire is required to be paved during use, the wire also needs to pass through an ammeter before entering a household so as to record the electricity consumption condition of the household and charge according to the electricity consumption, and certain electricity consumption exists between the wire and the ammeter, and the electricity consumption loss is generally born by a power grid.

The utility model discloses a portable on-the-spot check-up appearance of ammeter line loss, for example, chinese patent (bulletin number: CN 217506107U) discloses a check-up appearance of ammeter line loss, the inboard top joint of protective housing has the check-up ware, a plurality of junction block has been welded to check-up ware top one side, the outlet has been seted up to protective housing one end, sliding linkage groove has been seted up to inboard one end of outlet, U type grip block has been welded to a plurality of pushing spring one end, a plurality of protection spring top joint has the protection pad, pass the outlet with detecting the wire and insert the junction block side, drive U type grip block by pushing spring and insert sliding linkage inslot, can be quick support spacingly to the wire, make can avoid the wire to pull the circumstances that appear not hard up in the use, can classify the wire simultaneously, the staff plug change of being convenient for.

However, it still has a little deficiency, when checking calibration, need to promote the U type grip block earlier, will detect the wire and pass the outlet from the new grip block inboard of U, and detect the wire and generally have the joint, the joint diameter is generally greater than the wire, therefore, the outlet is enough big enough that need design with U type grip block can not influence the wire and pass, but also provide great activity space for detecting the wire like this, after the grip of U type grip block, though the activity space in its horizontal direction is limited, but the activity space in the vertical direction can't be limited, the stability of clamp is reduced, make the detection wire that is fixed can not be in same horizontal plane simultaneously, reduced the regularity and the aesthetic property of detection wire, there is certain inconvenience in use, therefore propose a calibration mechanism for ac/dc ammeter check gauge in order to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a calibration mechanism for an AC/DC ammeter calibrator, which has the advantages of convenient use, better aesthetic property and the like, and solves the problems of poor stability and poor aesthetic property for fixing detection wires when the search patent is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a calibration mechanism for AC/DC ammeter check gauge, includes the guard box, be fixed with the check gauge on the interior diapire of guard box and be close to the left side, the top surface of check gauge just is close to the left side and is fixed with a plurality of terminal that are the front and back and distribute, the top surface of guard box just is close to rear side department and articulates there is the case lid, the left side of guard box is equipped with a plurality of clamping components that are used for fixed detection check wire, be equipped with the subassembly of accomodating that is used for accomodating article in the guard box.

The clamping assembly comprises a through groove which is formed in the top surface of the protection box and is close to the left side, two extrusion grooves which are respectively formed in the front side and the rear side of the through groove and are communicated with the through groove are formed in the left side wall of the protection box, extrusion plates are connected in the extrusion grooves in a sliding mode, springs are respectively fixed on the opposite faces of the extrusion plates, one end of each extrusion plate penetrates through the extrusion groove and extends to the connecting rod in the through groove, an arc-shaped plate is respectively fixed on the opposite ends of the connecting rod, and a guide plate is fixed on the top surface of each arc-shaped plate.

Further, the shape of guard box is the cuboid that inside cavity and top surface were absent, install the tool to lock that is used for fixed case lid on the guard box, a plurality of the centre gripping subassembly is about relative with a plurality of terminal respectively.

Further, the through groove horizontally penetrates through the left side wall of the protection box, the extrusion plate is in clearance fit with the extrusion groove, a guide hole which is used for allowing the connecting rod to penetrate through and in clearance fit with the connecting rod is formed in the left side wall of the protection box and located between the through groove and the extrusion groove.

Further, the two arc plates are combined to form an annular plate, the guide plates are inclined plates, and an included angle between the two guide plates is an acute angle.

Further, accomodate the subassembly including fixing on the bottom wall in the guard box and being close to the U template on the right side, a plurality of spouts that are the equidistance and distribute about all having been seted up on the inner wall of U template left and right sides, sliding connection has the draw-bar in the spout, control two relative be fixed with the receiver between the draw-bar, the rectangular hole has been seted up in the front of guard box just in the place ahead of U template, two draw-in grooves that are located rectangular hole left and right sides respectively and communicate with it have been seted up in the positive perisporium of guard box, two the joint has the baffle between the draw-in groove.

Further, the U-shaped plate is in an inverted buckle shape, the storage box is in a cuboid shape with a hollow inside and a missing top surface, a handle is fixed on the front surface of the storage box, a sponge block is fixed in the storage box, and a placing groove for placing articles is formed in the top surface of the sponge block.

Further, spout and draw-bar clearance fit, rectangular hole and the top surface intercommunication of guard box, the positive area of baffle is greater than the positive area of U template, draw-in groove and baffle clearance fit.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this calibration mechanism for AC/DC ammeter check gauge, when using, will detect check-up wire and connect on the terminal, then carry out the check-up through the check-up ware, can fix detection check-up wire fast through clamping assembly, avoid in the check-up process, because of unexpected pulling wire of external factor makes the wire take off, simultaneously, clamping assembly can classify detection check-up wire and be convenient for the staff to carry out the plug, clamping assembly will detect on check-up wire centre gripping and the unified horizontal plane for whole more pleasing to the eye, the neatly nature is better, clamping assembly adopts two-way centre gripping, fixed effect is better.

This calibration mechanism for AC/DC ammeter check gauge opens the case lid when using, then takes out the baffle, alright follow the front pull receiver of guard box, and the instrument of taking that makes the staff can be quick when carrying out the check-up operates, and is more practical.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of a clamping assembly of the present utility model;

FIG. 3 is a schematic top view of the interior of the protective case of the present utility model;

fig. 4 is an enlarged schematic view of the present utility model at a in fig. 1.

In the figure: 1 protection box, 2 verifiers, 3 binding posts, 4 box covers, 5 clamping assemblies, 501 through grooves, 502 extrusion grooves, 503 extrusion plates, 504 springs, 505 connecting rods, 506 arc plates, 507 guide plates, 6 storage assemblies, 601U-shaped plates, 602 sliding grooves, 603 sliding strips, 604 storage boxes, 605 rectangular holes, 606 clamping grooves and 607 baffles.

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.

Referring to fig. 1-2, a calibration mechanism for an ac/dc ammeter calibrator in this embodiment includes a protection box 1, a calibrator 2 is fixed on an inner bottom wall of the protection box 1 and is close to the left side, a plurality of binding posts 3 distributed front and back are fixed on a top surface of the calibrator 2 and is close to the left side, a box cover 4 is hinged at a position close to the rear side of the top surface of the protection box 1, a plurality of holding components 5 for fixing detection calibration wires are arranged on the left side of the protection box 1, when in use, the detection calibration wires are connected to the binding posts 3, and then the calibration is performed through the calibrator 2, the detection calibration wires can be quickly fixed through the holding components 5, so that the wires are prevented from loosening due to unexpected pulling of the wires by external factors in a calibration process, meanwhile, the holding components 5 can classify the detection calibration wires, facilitate the insertion and extraction of workers, the detection calibration wires by the holding components 5 are clamped on a uniform horizontal plane, the whole is more attractive, the neatly better, the holding components 5 adopt bidirectional clamping, the fixing effect is better, a storage component 6 for storing articles is arranged in the protection box 1, when in use, the box cover 4 is opened, then the protection box cover is pulled out, and a practical and a user can take a tool from the box 1 at a front side.

The clamping assembly 5 comprises a through groove 501 which is formed in the top surface of the protection box 1 and is close to the left side, two extrusion grooves 502 which are respectively located on the front side and the rear side of the through groove 501 and are communicated with the through groove, extrusion plates 503 are slidably connected in the two extrusion grooves 502, springs 504 are respectively fixed on the opposite sides of the two extrusion plates 503, connecting rods 505 with one ends penetrating the extrusion grooves 502 and extending into the through groove 501 are respectively fixed on the opposite sides of the two extrusion plates 503, arc plates 506 are respectively fixed on the opposite sides of the two connecting rods 505, guide plates 507 are fixed on the top surface of the arc plates 506, when the box cover 4 is opened, detection checking wires are connected onto the binding post 3, then the detection checking wires are pressed between the two guide plates 507, the two guide plates 507 are enabled to move back to back, the two arc plates 506 are driven to move back to back, the two extrusion plates 503 are pushed to move back to back, the springs 504 are extruded, when the detection checking wires are pressed between the two arc plates 506, the two detection checking wires lose supporting force on the two arc plates 506, and then the two detection checking wires are fixed on the middle checking wires.

The shape of the protection box 1 is a cuboid with hollow inside and missing top surface, the protection box 1 is provided with a lock for fixing the box cover 4, the clamping assemblies 5 are respectively opposite to the binding posts 3 in left-right direction, and the structure is convenient for enabling the clamping assemblies 5 to clamp corresponding detection and verification wires, so that the neatness of the detection and verification wires is kept.

Meanwhile, the through groove 501 horizontally penetrates through the left side wall of the protection box 1, the extrusion plate 503 is in clearance fit with the extrusion groove 502, a guide hole for communicating the through groove 501 and the extrusion groove 502 is formed in the left side wall of the protection box 1 and located between the through groove 501 and the extrusion groove 502, and the guide hole is used for the connecting rod 505 to penetrate through and in clearance fit with the guide hole.

In addition, two arc 506 combination are an annular board, and this kind of structure is convenient for more stable centre gripping detects check-up wire, and deflector 507 is the swash plate, and the contained angle between two deflector 507 is the acute angle.

Referring to fig. 3-4, in the present embodiment, the storage assembly 6 includes a U-shaped board 601 fixed on the inner bottom wall of the protection box 1 and close to the right side, a plurality of sliding grooves 602 distributed at equal intervals up and down are provided on the inner walls of the left and right sides of the U-shaped board 601, sliding grooves 602 are slidably connected with sliding strips 603, a storage box 604 is fixed between two sliding strips 603 opposite to each other, a rectangular hole 605 is provided on the front side of the protection box 1 and right in front of the U-shaped board 601, two clamping grooves 606 are provided on the front side of the protection box 1 and respectively located on the left and right sides of the rectangular hole 605 and are communicated with the rectangular hole, a baffle 607 is clamped between the two clamping grooves 606, when a tool is required to be taken, the baffle 607 can be pulled out upwards through the rectangular hole 605, and after the tool is used, the storage box 604 is pushed back along the sliding grooves 602, and the baffle 607 is inserted into the clamping grooves 606.

Wherein, U template 601 is the back-off form, and receiver 604's shape is inside cavity and the cuboid that the top surface lacks, and receiver 604's front is fixed with the handle, and receiver 604 internal fixation has the sponge piece, and the standing groove that supplies article to place is seted up to the top surface of sponge piece, can protect the instrument through sponge piece and standing groove, avoids inside instrument collision to cause the damage each other when carrying guard box 1.

Meanwhile, the sliding groove 602 is in clearance fit with the sliding strip 603, the rectangular hole 605 is communicated with the top surface of the protection box 1, the area of the front surface of the baffle 607 is larger than that of the front surface of the U-shaped plate 601, and the clamping groove 606 is in clearance fit with the baffle 607.

The working principle of the embodiment is as follows:

when the detection and verification wire clamping device is used, the box cover 4 is opened, the detection and verification wire is connected to the binding post 3, then the detection and verification wire is pressed between the two guide plates 507, the two guide plates 507 are moved back to back, the two arc plates 506 are driven to move back to back, the two connecting rods 505 are pushed by the two arc plates 506 to move back to back, the two extrusion plates 503 are pushed by the two connecting rods 505 to move back to back and extrude the springs 504, and when the detection and verification wire is pressed between the two arc plates 506, the two arc plates 506 lose the supporting force of the detection and verification wire, and are pushed out by the springs 504, so that the two arc plates 506 clamp the detection and verification wire in the middle, and the detection and verification wire is fixed.

When the tool is required to be taken, the baffle 607 is pulled out upwards, at this time, the storage box 604 can be pulled out through the rectangular hole 605 to take the tool, and after the tool is used, the storage box 604 is pushed back along the sliding groove 602, and the baffle 607 is inserted into the clamping groove 606.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a calibration mechanism for AC/DC ammeter check gauge, includes guard box (1), its characterized in that: the automatic checking device is characterized in that a checker (2) is fixed on the inner bottom wall of the protection box (1) and close to the left side, a plurality of binding posts (3) which are distributed front and back are fixed on the top surface of the checker (2) and close to the left side, a box cover (4) is hinged to the top surface of the protection box (1) and close to the rear side, a plurality of clamping assemblies (5) for fixing detection checking wires are arranged on the left side of the protection box (1), and a containing assembly (6) for containing articles is arranged in the protection box (1);

clamping component (5) are including seting up protective housing (1) top surface and being close to left logical groove (501), set up two extrusion groove (502) that are located respectively in logical groove (501) front and back both sides and communicate with it in protective housing (1) left side wall, two equal sliding connection has extrusion board (503) in extrusion groove (502), two the one side that extrusion board (503) is on the back all is fixed with spring (504), two the one side that extrusion board (503) is relative all is fixed with one end and runs through extrusion groove (502) and extend to connecting rod (505) in logical groove (501), two the one end that connecting rod (505) is relative all is fixed with arc (506), the top surface of arc (506) is fixed with deflector (507).

2. The calibration mechanism for an ac/dc meter calibrator according to claim 1, wherein: the shape of the protection box (1) is a cuboid with hollow inside and missing top surface, a lock for fixing the box cover (4) is arranged on the protection box (1), and a plurality of clamping assemblies (5) are respectively opposite to a plurality of binding posts (3) in a left-right mode.

3. The calibration mechanism for an ac/dc meter calibrator according to claim 1, wherein: the protection box is characterized in that the through groove (501) horizontally penetrates through the left side wall of the protection box (1), the extrusion plate (503) is in clearance fit with the extrusion groove (502), a guide hole which is used for allowing the connecting rod (505) to penetrate through and in clearance fit with the connecting rod is formed in the left side wall of the protection box (1) and located between the through groove (501) and the extrusion groove (502).

4. The calibration mechanism for an ac/dc meter calibrator according to claim 1, wherein: the two arc plates (506) are combined to form an annular plate, the guide plates (507) are inclined plates, and an included angle between the two guide plates (507) is an acute angle.

5. The calibration mechanism for an ac/dc meter calibrator according to claim 1, wherein: the storage assembly (6) comprises a U-shaped plate (601) fixed on the inner bottom wall of the protection box (1) and close to the right side, a plurality of sliding grooves (602) which are distributed at equal intervals up and down are formed in the inner walls of the left side and the right side of the U-shaped plate (601), sliding strips (603) are connected in the sliding grooves (602) in a sliding mode, storage boxes (604) are fixed between the sliding strips (603) in a left-right opposite mode, rectangular holes (605) are formed in the front face of the protection box (1) and located right front of the U-shaped plate (601), and two clamping grooves (606) which are located on the left side and the right side of the rectangular holes (605) and are communicated with the rectangular holes are formed in the peripheral wall of the front face of the protection box (1), and baffle plates (607) are clamped between the clamping grooves (606).

6. The calibration mechanism for an ac/dc meter calibrator according to claim 5, wherein: u template (601) are the back-off form, the shape of receiver (604) is inside cavity and the cuboid that the top surface lacks, the front of receiver (604) is fixed with the handle, receiver (604) internal fixation has the sponge piece, the standing groove that supplies article to place has been seted up to the top surface of sponge piece.

7. The calibration mechanism for an ac/dc meter calibrator according to claim 5, wherein: the sliding groove (602) is in clearance fit with the sliding strip (603), the rectangular hole (605) is communicated with the top surface of the protection box (1), the area of the front surface of the baffle (607) is larger than that of the front surface of the U-shaped plate (601), and the clamping groove (606) is in clearance fit with the baffle (607).