CN214122442U

CN214122442U - Hand-held electric energy meter calibrator

Info

Publication number: CN214122442U
Application number: CN202022736978.8U
Authority: CN
Inventors: 吴勇华; 张国明
Original assignee: Haiyan Xingchuang Electronic Co ltd
Current assignee: Haiyan Xingchuang Electronic Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-03
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a hand-held type electric energy meter check gauge relates to the check equipment field, including the check gauge casing, the cable groove has all been seted up at the both sides face middle part of check gauge casing, the equal fixedly connected with fixed block in both sides of the up end of check gauge casing, and the fixed block sets up to semi-circular, and the front laminating of check gauge casing is connected with the guard plate, the equal fixedly connected with connecting block in both sides of the up end of guard plate, a side that two connecting blocks were kept away from each other respectively with two fixed blocks a side laminating that is close to each other be connected. The utility model discloses a laminating in the front of check gauge casing is connected with the guard plate, and the upper end fixedly connected with connecting block of guard plate, connecting block pass through connecting rod and slider fixed connection, and the connecting block can be protected the positive button of check gauge casing, and the guard plate that turns during the use can turn the guard plate to the back of check gauge casing to avoid causing the influence to the keying operation.

Description

Hand-held electric energy meter calibrator

Technical Field

The utility model relates to a check-up equipment field, in particular to hand-held type electric energy meter check gauge.

Background

The electric energy meter field calibration instrument has two basic functions of electric energy meter error field calibration and wiring inspection, has the advantages of not needing to disassemble a metering tool, not needing to interrupt the metering tool and really recording the actual field influence, can save manpower and material resources and improve the working efficiency. When a user makes an objection to metering devices such as an electric energy meter and a mutual inductor, on-site verification can be completed under the condition of not influencing electricity consumption, and the wiring correctness can be checked. Therefore, on-site verification of the electric energy metering error and on-site inspection of the metering error become indispensable works. In order to facilitate field operation, the field calibrator can adopt a current clamp meter to access current without disconnecting a line.

However, at present, the existing handheld electric energy meter calibrator mostly does not have a corresponding protective cover, the front keys of the calibrator are easily damaged by collision, and secondly, after the calibrator is used up, the connecting wires of the calibrator are mostly simply wound outside the calibrator, so that the calibrator is messy and is easy to loosen. Therefore, it is necessary to solve the above problems by the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hand-held type electric energy meter check gauge to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the handheld electric energy meter calibrator comprises a calibrator shell, wherein cable grooves are formed in the middle of two side surfaces of the calibrator shell, fixed blocks are fixedly connected to two sides of the upper end surface of the calibrator shell, the fixed blocks are semicircular, a protection plate is attached to the front surface of the calibrator shell, connecting blocks are fixedly connected to two sides of the upper end surface of the protection plate, one side surface, away from each other, of each connecting block is respectively attached to one side surface, close to each other, of each fixed block, an avoiding groove is formed in the middle of the upper end surface of the calibrator shell, an arc-shaped chute is formed in one side surface, close to each other, of each fixed block, a sliding block matched with the arc-shaped chute is arranged in an inner cavity of the arc-shaped chute, a connecting rod is fixedly connected to the middle of one side surface of the sliding block, and one end of the connecting rod penetrates through the opening end of the arc-shaped chute and extends to the outer side of the arc-shaped chute, one end of the connecting rod is fixedly connected with the upper end of the connecting block, a pressing plate is arranged on one side of the calibrator shell, and the lower end of the pressing plate is movably connected with the lower end of one side face of the calibrator shell through a pin shaft.

Preferably, a plurality of arc-shaped grooves which are vertically distributed at equal intervals are formed in one side face of the pressing plate, and a spongy cushion is connected to the inner wall of the calibrator shell in an adhering mode.

Preferably, the upper end face of the pressing plate is in fit connection with a hollow sleeve, the hollow sleeve is fixedly connected with the upper end of one side face of the calibrator shell, and the inner cavity of the hollow sleeve is in through connection with a positioning rod.

Preferably, the middle part of the upper end face of the pressing plate is provided with a positioning groove, and the lower end of the positioning rod is positioned in the inner cavity of the positioning groove and is matched with the positioning groove.

Preferably, the lower terminal surface of locating lever and the lower extreme inner wall middle part of constant head tank all inlay and have the magnet piece, a side upper end laminating of clamp plate is connected with the rubber arch, a side adhesive connection of rubber arch and check gauge casing.

Preferably, the middle part of the inner wall of the hollow sleeve is provided with a limiting groove, the inner cavity of the limiting groove is provided with a limiting ring matched with the limiting groove, and the limiting ring is fixedly sleeved with the positioning rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be connected with the guard plate in the laminating of the front of check gauge casing, the upper end fixedly connected with connecting block of guard plate, the connecting block passes through connecting rod and slider fixed connection, the connecting block can protect the positive button of check gauge casing, turn the guard plate and can turn the guard plate to the back of check gauge casing during the use to avoid causing the influence to the button operation;

2. the utility model discloses a cable groove has all been seted up at the both sides face of check gauge casing, and a side of check gauge casing is provided with the clamp plate, and the inner chamber through connection of hollow cover has the locating lever, with the electric wire winding behind the outside in cable groove, can compress tightly the electric wire through rotating the clamp plate, can fix a position the clamp plate through the locating lever to it is loose and in disorder effectively to have avoided the electric wire.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the overall structure of the present invention.

Fig. 3 is a schematic sectional view of the fixing block structure of the present invention.

Fig. 4 is a schematic sectional view of the hollow sleeve structure of the present invention.

In the figure: 1. a calibrator housing; 2. a cable trough; 3. a fixed block; 4. a protection plate; 5. connecting blocks; 6. an avoidance groove; 7. an arc-shaped chute; 8. a slider; 9. a connecting rod; 10. pressing a plate; 11. an arc-shaped slot; 12. a hollow sleeve; 13. positioning a rod; 14. positioning a groove; 15. a magnet block; 16. a rubber bulge; 17. a limiting groove; 18. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a hand-held electric energy meter calibrator as shown in figures 1-4, as shown in figures 1 and 2, including calibrator shell 1, cable groove 2 is equipped in the middle of both sides of calibrator shell 1, both sides of the upper end surface of calibrator shell 1 are fixedly connected with fixed block 3, fixed block 3 is set into semicircle shape, the front side of calibrator shell 1 is jointed with protection plate 4, the setting of protection plate 4 can protect the front button of calibrator shell 1, both sides of the upper end surface of protection plate 4 are fixedly connected with connecting block 5, one side surface of two connecting blocks 5 away from each other is respectively jointed with one side surface of two fixed blocks 3 close to each other, avoidance groove 6 is equipped in the middle of the upper end surface of calibrator shell 1, avoidance groove 6 is equipped to avoid collision with the cable connecting insert block of the upper end surface of calibrator shell 1 when protection plate 4 rotates, arc spout 7 has all been seted up to the side that two fixed blocks 3 are close to each other, one side of check gauge casing 1 is provided with clamp plate 10, the lower extreme of clamp plate 10 is through a side lower extreme swing joint of round pin axle with check gauge casing 1, twine the electric wire in the outside of cable groove 2, it can compress tightly the electric wire to rotate clamp plate 10, thereby avoid the electric property loose, a plurality of arc walls 11 that are equidistant vertical distribution are seted up to a side of clamp plate 10, the inner wall bonding connection of check gauge casing 1 has the foam-rubber cushion, the setting of arc wall 11 can be avoided the electric wire to take place to slide and lead to in disorder, the electric wire can be avoided by the scratch to the setting of foam-rubber cushion.

As shown in fig. 3, a sliding block 8 matched with the arc-shaped sliding groove 7 is arranged in the inner cavity of the arc-shaped sliding groove 7, a connecting rod 9 is fixedly connected to the middle of one side face of the sliding block 8, one end of the connecting rod 9 penetrates through the opening end of the arc-shaped sliding groove 7 and extends to the outer side of the arc-shaped sliding groove 7, and one end of the connecting rod 9 is fixedly connected with the upper end of the connecting block 5.

As shown in fig. 4, a hollow sleeve 12 is attached to the upper end surface of a pressing plate 10, the hollow sleeve 12 is fixedly connected to the upper end of one side surface of a calibration instrument housing 1, a positioning rod 13 is connected to the inner cavity of the hollow sleeve 12 in a penetrating manner, the positioning rod 13 can slide, a positioning groove 14 is formed in the middle of the upper end surface of the pressing plate 10, the lower end of the positioning rod 13 is located in the inner cavity of the positioning groove 14 and is matched with the positioning groove 14, magnet blocks 15 are embedded in the middle of the lower end surface of the positioning rod 13 and the inner wall of the lower end of the positioning groove 14, the rotation of the pressing plate 10 can be limited by inserting the lower end of the positioning rod 13 into the inner cavity of the positioning groove 14, the two magnet blocks 15 attract each other to avoid the positioning rod 13 from being separated from the inner cavity of the positioning groove 14, a rubber protrusion 16 is attached to the upper end of one side surface of the pressing plate 10, the rubber protrusion 16 is adhesively connected to one side surface of the calibration instrument housing 1, and the rubber protrusion 16 can avoid the pressing plate 10 from colliding with the calibration instrument housing 1, the limiting groove 17 is formed in the middle of the inner wall of the hollow sleeve 12, the limiting ring 18 matched with the limiting groove 17 is arranged in the inner cavity of the limiting groove 17, the limiting ring 18 is fixedly sleeved with the positioning rod 13, and the positioning rod 13 can be prevented from being separated from the hollow sleeve 12 due to the arrangement of the limiting ring 18.

The utility model discloses the theory of operation:

when the device is used, firstly, the ring at the upper end of the positioning rod 13 is pulled to draw the lower end of the positioning rod 13 out of the inner cavity of the positioning groove 14, then the pressing plate 10 is rotated to separate the inner wall of the arc-shaped groove 11 from the electric wire, and the electric wire can be discharged from the outer sides of the calibrator shell 1 and the protection plate 4;

rotate guard plate 4 then and make slider 8 slide at the inner chamber of arc spout 7, until rotating guard plate 4 to the back of check gauge casing 1 and with the back laminating of check gauge casing 1, then insert the plug of electric wire on the cable connection inserted block of check gauge casing 1 upper end, can use check gauge casing 1 to inspect the electric energy meter.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Hand-held type electric energy meter check gauge, including check gauge casing (1), its characterized in that: the cable groove (2) is formed in the middle of each of two side faces of the calibrator shell (1), the fixed blocks (3) are fixedly connected to two sides of the upper end face of the calibrator shell (1), the fixed blocks (3) are semicircular, the protection plate (4) is attached to the front face of the calibrator shell (1), the connecting blocks (5) are fixedly connected to two sides of the upper end face of the protection plate (4), one side face, far away from each other, of each connecting block (5) is attached to one side face, close to each other, of each fixed block (3), the avoidance groove (6) is formed in the middle of the upper end face of the calibrator shell (1), the arc-shaped sliding groove (7) is formed in one side face, close to each other, of each fixed block (3), the sliding block (8) matched with the arc-shaped sliding groove (7) is arranged in the inner cavity of the arc-shaped sliding groove (7), and the connecting rod (9) is fixedly connected to the middle of one side face of the sliding block (8), the one end of connecting rod (9) runs through the open end of arc spout (7) and extends to the outside of arc spout (7), the one end of connecting rod (9) and the upper end fixed connection of connecting block (5), one side of check gauge casing (1) is provided with clamp plate (10), the lower extreme of clamp plate (10) is through a side lower extreme swing joint of round pin axle with check gauge casing (1).

2. The hand-held electric energy meter calibrator of claim 1, wherein: a plurality of arc-shaped grooves (11) which are distributed at equal intervals in a vertical mode are formed in one side face of the pressing plate (10), and a spongy cushion is connected to the inner wall of the calibrator shell (1) in an adhering mode.

3. The hand-held electric energy meter calibrator of claim 2, wherein: the upper end face of the pressing plate (10) is connected with a hollow sleeve (12) in a fitting mode, the hollow sleeve (12) is fixedly connected with the upper end of one side face of the calibrator shell (1), and a positioning rod (13) penetrates through the inner cavity of the hollow sleeve (12).

4. The hand-held electric energy meter calibrator of claim 3, wherein: a positioning groove (14) is formed in the middle of the upper end face of the pressing plate (10), and the lower end of the positioning rod (13) is located in the inner cavity of the positioning groove (14) and matched with the positioning groove (14).

5. The hand-held electric energy meter calibrator of claim 4, wherein: magnet piece (15) have all been inlayed in the lower terminal surface of locating lever (13) and the lower extreme inner wall middle part of constant head tank (14), a side upper end laminating of clamp plate (10) is connected with rubber bulge (16), a side adhesive connection of rubber bulge (16) and check gauge casing (1).

6. The hand-held electric energy meter calibrator of claim 5, wherein: the inner wall middle part of hollow cover (12) has seted up spacing groove (17), the inner chamber of spacing groove (17) is provided with spacing ring (18) with spacing groove (17) looks adaptation, spacing ring (18) and locating lever (13) fixed cup joint.