CN215263686U

CN215263686U - High-precision ammeter

Info

Publication number: CN215263686U
Application number: CN202120428608.XU
Authority: CN
Inventors: 刘毅
Original assignee: Wuxi Xinghuo Electrical Co ltd
Current assignee: Wuxi Xinghuo Electrical Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-12-21
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a high-precision ammeter, including the ammeter body, the outside of ammeter body is equipped with the shell, one side of shell is equipped with the display screen, the below of display screen is equipped with the plug wire hole of installing on the shell, the outside of shell is fixed and is equipped with the first retaining ring that follows with the shell, the outside of first retaining ring is equipped with the second retaining ring that is fixed in on the shell and follows with the shell, formed the first draw-in groove between first retaining ring and the shell, formed the second draw-in groove between first retaining ring and the second retaining ring, the inside of first draw-in groove is equipped with a plurality of first chucking springs of symmetric distribution, the inside of second draw-in groove is equipped with a plurality of second chucking springs of symmetric distribution; the utility model discloses a thereby set up first retaining ring and second retaining ring and form first draw-in groove and second draw-in groove on the shell, be convenient for accomodate the wire, the setting of first chucking spring and second chucking spring can press from both sides the wire tightly fixed, avoids the wire to drop at the in-process of accomodating.

Description

High-precision ammeter

Technical Field

The utility model relates to an ampere meter technical field especially relates to a high accuracy ampere meter.

Background

Currently, an ammeter refers to a meter used to measure current in an ac and dc circuit. In the circuit diagram, the symbol of the ammeter is 'circle A', the current value takes 'ampere' or 'A' as a standard unit, and the ammeter is manufactured according to the action of the magnetic field force applied to the electrified conductor in the magnetic field. The ammeter has a permanent magnet inside to generate magnetic field between poles, a coil in the magnetic field, a balance spring at each end of the coil, a binding post connected to the ammeter, a rotating shaft connected between the spring and the coil, and a pointer at the front end of the rotating shaft opposite to the ammeter. Because the size of magnetic field force increases along with the electric current increase, so just can observe the size of electric current through the degree of deflection of pointer, present ampere meter is not convenient for accomodate the wire after the use is accomplished, and the wire exposes when not using and can receive the damage outside, and the result of use is relatively poor. Therefore, a high-precision ammeter is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide a high accuracy ampere meter.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a high accuracy ampere meter, includes the ampere meter body, the outside of ampere meter body is equipped with the shell, one side of shell is equipped with the display screen, the below of display screen is equipped with the plug wire hole of installing on the shell, the external fixation of shell is equipped with the first retaining ring along with the shell shape, the outside of first retaining ring is equipped with be fixed in on the shell and with the second retaining ring of shell shape along with, formed first draw-in groove between first retaining ring and the shell, formed the second draw-in groove between first retaining ring and the second retaining ring, the inside of first draw-in groove is equipped with the first chucking spring of a plurality of symmetric distributions, the inside of second draw-in groove is equipped with the second chucking spring of a plurality of symmetric distributions.

Further, the shell includes casing and backplate, the one side that contacts with the backplate on the casing is equipped with rather than integrated into one piece's the epitaxial ring of casing, be equipped with rather than integrated into one piece's the epitaxial ring of backplate on the backplate, through a plurality of screw connections between the epitaxial ring of backplate and the epitaxial ring of casing.

Furthermore, four corners of the shell are all arc end faces.

Furthermore, a first threading hole is formed in the position, close to the bottom, of the first check ring.

Furthermore, a second threading hole is formed in the second retaining ring, close to the bottom of the second retaining ring and above the first threading hole.

Further, one side of casing is close to its bottom department and is fixed be equipped with rather than integrated into one piece's first installation hangers, the fixed two first slots that are equipped with on the first installation hangers, the opposite side of casing is close to bottom department and is fixed be equipped with rather than integrated into one piece's second installation hangers, the fixed two second slots that are equipped with on the second installation hangers.

The utility model discloses a thereby set up first retaining ring and second retaining ring and form first draw-in groove and second draw-in groove on the shell, be convenient for accomodate the wire, the setting of first chucking spring and second chucking spring can press from both sides the wire tightly fixed, avoids the wire to drop at the in-process of accomodating.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of an angle of the present invention;

fig. 2 is a schematic view of another angle of the present invention;

FIG. 3 is an exploded view of the overall structure of an angle of the present invention;

fig. 4 is an exploded view of another angle of the overall structure of the present invention;

fig. 5 is a top view of the housing of the present invention.

The reference numbers in the figures illustrate: 1-a back plate extension ring, 2-a screw, 3-a first clamping spring, 4-a second threading hole, 5-a first threading hole, 6-a first mounting lug, 7-a first slot, 8-a threading hole, 9-a second slot, 10-a second mounting lug, 11-a display screen, 12-a shell, 13-a second check ring, 14-a first check ring, 15-a shell extension ring, 16-a back plate, 17-an ammeter body, 18-a second clamping spring, 19-a first clamping groove and 20-a second clamping groove.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 5, the embodiment provides a high-precision ammeter, which includes an ammeter body 17, a case is disposed outside the ammeter body 17, a display screen 11 is disposed on one side of the case, a wire insertion hole 8 installed on the case is disposed below the display screen 11, a first retainer ring 14 shaped to follow the case is fixedly disposed outside the case, a second retainer ring 13 fixed to the case and shaped to follow the case is disposed outside the first retainer ring 14, a first clamping groove 19 is formed between the first retainer ring 14 and the case, a second clamping groove 20 is formed between the first retainer ring 14 and the second retainer ring 13, a plurality of first clamping springs 3 distributed symmetrically are disposed inside the first clamping groove 19, and a plurality of second clamping springs 18 distributed symmetrically are disposed inside the second clamping groove 20.

Thereby form first draw-in groove 19 and second draw-in groove 20 through set up first retaining ring 14 and second retaining ring 13 on the shell, be convenient for accomodate the wire, the setting of first garrulous spring 3 and second garrulous spring 18 can press from both sides the wire tight fixed, avoids the wire to drop at the in-process of accomodating.

Preferably, the shell includes casing 12 and backplate 16, the one side that contacts with backplate 16 on the casing 12 is equipped with rather than integrated into one piece's casing epitaxial ring 15, be equipped with rather than integrated into one piece's backplate epitaxial ring 1 on the backplate 16, connect through a plurality of screws 2 between backplate epitaxial ring 1 and the casing epitaxial ring 15.

Set up the outer ring 15 of casing and the outer ring 1 of backplate on casing 12 and backplate 16 respectively, carry out fixed connection, be convenient for install and dismantle with the outer ring 15 of casing and the outer ring 1 of backplate through screw 2 to be convenient for overhaul ampere meter body 17.

Preferably, four corners of the housing 12 are all arc end surfaces.

The arrangement of the arc end face can relieve the damage of the shell 12 caused by collision.

Preferably, the first retaining ring 14 is provided with a first threading hole 5 near the bottom thereof.

Preferably, the second retaining ring 13 is provided with a second threading hole 4 near the bottom and above the first threading hole 5.

The first threading hole 5 and the second threading hole 4 are arranged for two wires to pass through.

Preferably, one side of casing 12 is close to its bottom department and is fixed to be equipped with rather than integrated into one piece's first installation hangers 6, fixed two first slots 7 that are equipped with on the first installation hangers 6, the opposite side of casing 12 is close to bottom department and is fixed to be equipped with rather than integrated into one piece's second installation hangers 10, fixed two second slots 9 that are equipped with on the second installation hangers 10.

Place one of them wire in first draw-in groove 19 during the use, the both ends of wire are passed one end respectively behind first through wires hole 5 and are pegged graft in first slot 7, and the other end is pegged graft in second slot 9, places another wire in second draw-in groove 20, and the both ends of wire are passed one end respectively behind second through wires hole 4 and are pegged graft in first slot 7, and the other end is pegged graft in second slot 9, accomplishes accomodating of wire, and it is all very convenient to accomodate and take.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A high accuracy ampere meter, includes the ampere meter body, its characterized in that: the ammeter is characterized in that a shell is arranged outside the ammeter body, a display screen is arranged on one side of the shell, a wire inserting hole arranged on the shell is arranged below the display screen, a first check ring which is shaped along with the shell is fixedly arranged outside the shell, a second check ring which is fixed on the shell and is shaped along with the shell is arranged outside the first check ring, a first clamping groove is formed between the first check ring and the shell, a second clamping groove is formed between the first check ring and the second check ring, a plurality of first clamping springs which are symmetrically distributed are arranged inside the first clamping groove, and a plurality of second clamping springs which are symmetrically distributed are arranged inside the second clamping groove.

2. A high accuracy ammeter according to claim 1 wherein: the shell comprises a shell body and a back plate, one side of the shell body, which is contacted with the back plate, is provided with a shell body extending ring which is integrally formed with the shell body, the back plate extending ring which is integrally formed with the back plate is arranged on the back plate, and the back plate extending ring and the shell body extending ring are connected through a plurality of screws.

3. A high accuracy ammeter according to claim 2 wherein: and four corners of the shell are all arc end surfaces.

4. A high accuracy ammeter according to claim 1 wherein: a first threading hole is formed in the first check ring and is close to the bottom of the first check ring.

5. A high accuracy ammeter according to claim 4 wherein: and a second threading hole is formed in the second retaining ring, close to the bottom of the second retaining ring and above the first threading hole.

6. A high accuracy ammeter according to claim 3 wherein: one side of casing is close to its bottom department and is fixed be equipped with rather than integrated into one piece's first installation hangers, the fixed two first slots that are equipped with on the first installation hangers, the opposite side of casing is close to bottom department and is fixed be equipped with rather than integrated into one piece's second installation hangers, the fixed two second slots that are equipped with on the second installation hangers.