CN210465491U

CN210465491U - Portable ammeter

Info

Publication number: CN210465491U
Application number: CN201921036951.9U
Authority: CN
Inventors: 黄祥豹; 王立平; 邢峰
Original assignee: Daqing Shengkunlin Instrument Manufacturing Co ltd
Current assignee: Daqing Shengkunlin Instrument Manufacturing Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-05
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to the technical field of electronic instruments, in particular to a portable ammeter, which comprises a meter body and a barre, wherein the bottom end of the barre is electrically connected with an electric wire, the top end of the barre is fixedly connected with a feeler lever, one end of the electric wire is electrically connected with the feeler lever, the inner side of the meter body is fixedly connected with a fixed shaft, the outer side of the fixed shaft is fixedly connected with a clockwork spring, the outer side of the clockwork spring is fixedly connected with a take-up pulley, the take-up pulley is rotatably connected with the fixed shaft, the outer side of the take-up pulley is fixedly connected with the electric wire, one side of the take-up pulley is fixedly connected with a conductive slip ring, the other end of the electric wire is electrically connected with the conductive slip ring, the other end of the conductive slip ring is fixedly connected with the meter body, in the utility model, the barre, the use is more convenient, and the placing of the barre is convenient for, and the device has the advantages of effectively reducing the whole volume and being more convenient to carry.

Description

Portable ammeter

Technical Field

The utility model relates to the technical field of electronic equipment, specifically be a portable ampere meter.

Background

The ammeter is used for measuring current in AC and DC circuits and is made by applying magnetic field force to current conductor in magnetic field. The ammeter is internally provided with a permanent magnet, a magnetic field is generated between poles, a coil is arranged in the magnetic field, two ends of the coil are respectively provided with a hairspring spring, the springs are respectively connected with a binding post of the ammeter, the springs and the coil are connected through a rotating shaft, and a pointer is arranged at the front end of the rotating shaft opposite to the ammeter. When current flows, the current passes through the magnetic field along the spring and the rotating shaft, and the current cuts the magnetic induction line, so that the coil deflects under the action of the magnetic field force to drive the rotating shaft and the pointer to deflect. Since the magnitude of the magnetic field force increases with the increase of the current, the magnitude of the current can be observed by the degree of deflection of the pointer, and in some outdoor operations, the device needs to be carried, and thus, the demand for a portable ammeter is increasing.

Most ampere meters that exist on the existing market need external barre etc. to use at the in-service use, and when the device carried, need use the box to receive and release table body and barre, and actual volume is great, portable not convenient to carry, and the barre of some ampere meters only has the feeler lever, when testing some cable conductors, and the stability of actual connection is relatively poor, use etc. not convenient for, consequently, propose a portable ampere meter to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable ampere meter 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 utility model provides a portable ammeter, includes the table body and barre, the bottom electric connection of barre has the electric wire, the top fixedly connected with feeler lever of barre, and the one end and the feeler lever electric connection of electric wire.

Preferably, the side surface of the watch body is provided with a groove, the side wall of the groove is fixedly connected with a clamping block, and the inner side of the clamping block is clamped with a handle rod.

Preferably, the rubber sleeve is sleeved on the outer side of the handle rod, and a bulge is arranged on the outer side of the rubber sleeve.

Preferably, the casing has been cup jointed at the top of barre, the inboard fixedly connected with becket in bottom of casing, and becket and feeler lever sliding connection, the top of casing is equipped with splint, the equal fixedly connected with metal clamp splice in casing top and splint top, and be located the metal clamp splice and becket electric connection on the casing, the equal solid fixed ring in casing upper end right side and splint left side is connected with the mount, and rotates through the pivot between the mount and connect, the torsional spring has been cup jointed in the outside of pivot.

Preferably, the inside of the watch body is fixedly connected with a fixed shaft, the outside of the fixed shaft is fixedly connected with a clockwork spring, the outside of the clockwork spring is fixedly connected with a take-up pulley, the take-up pulley is rotatably connected with the fixed shaft, the outside of the take-up pulley is fixedly connected with an electric wire, one side of the take-up pulley is fixedly connected with a conductive slip ring, the other end of the electric wire is electrically connected with the conductive slip ring, the other end of the conductive slip ring is fixedly connected with the watch body, and the other end of the conductive slip ring is electrically connected with the.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the barre can be conveniently put into the watch body through the arranged clamping block, the take-up pulley, the clockwork spring and the conductive slip ring, so that the use is more convenient, the barre is convenient to place, the overall volume of the device is effectively reduced, and the carrying is more convenient;

2. the utility model discloses in, through casing, becket, splint and the metal clamp splice that sets up for the device both can directly carry out the point survey to the circuit board, can make the device centre gripping cable conductor test again, makes the device use more convenient.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the installation structure of the take-up pulley of the present invention;

fig. 4 is the mounting structure diagram of the conductive slip ring of the present invention.

In the figure: 1-watch body, 2-handlebar, 3-fixture block, 4-rubber sleeve, 5-wire, 6-feeler lever, 7-shell, 8-metal ring, 9-clamping plate, 10-metal clamping block, 11-fixing frame, 12-torsion spring, 13-fixing shaft, 14-clockwork spring, 15-take-up pulley and 16-conductive slip 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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a portable ammeter, includes the table body 1 and barre 2, the bottom electric connection of barre 2 has electric wire 5, the top fixedly connected with feeler lever 6 of barre 2, and the one end and the 6 electric connection of feeler lever of electric wire 5.

The novel anti-skid watch is characterized in that a groove is formed in the side face of the watch body 1, a clamping block 3 is fixedly connected to the side wall of the groove, a handle rod 2 is clamped and arranged on the inner side of the clamping block 3, the handle rod 2 can be conveniently retracted and unfolded, the carrying of the novel anti-skid watch is convenient, a rubber sleeve 4 is sleeved on the outer side of the handle rod 2, a bulge is arranged on the outer side of the rubber sleeve 4, the anti-skid effect can be achieved through the arrangement, a shell 7 is sleeved on the top end of the handle rod 2, a metal ring 8 is fixedly connected to the inner side of the bottom end of the shell 7, the metal ring 8 is slidably connected with a touch rod 6, a clamping plate 9 is arranged above the shell 7, metal clamping blocks 10 are fixedly connected to the top end of the shell 7 and the top end of the clamping plate 9, the metal clamping blocks 10 on the shell 7 are electrically connected with the metal ring 8, fixing rings 11 are fixedly, the outer side of the rotating shaft is sleeved with a torsion spring 12, the mode of testing can be increased through the arrangement, the device is more convenient to use, a fixing shaft 13 is fixedly connected to the inner side of the watch body 1, a clockwork spring 14 is fixedly connected to the outer side of the fixing shaft 13, a take-up pulley 15 is fixedly connected to the outer side of the clockwork spring 14, the take-up pulley 15 is rotatably connected with the fixing shaft 13, the outer side of the take-up pulley 15 is fixedly connected with an electric wire 5, a conductive sliding ring 16 is fixedly connected to one side of the take-up pulley 15, the other end of the electric wire 5 is electrically connected with the conductive sliding ring 16, the other end of the conductive sliding ring 16 is fixedly connected with the watch body 1, and the other end of the conductive sliding ring 16 is electrically connected with the watch body 1.

The working process is as follows: when the device is needed, the handle bar 2 is directly buckled out of the side edge of the meter body 1, so that the handle bar 2 is separated from the clamping block 3, then the electric wire 5 is pulled out, when the electric cable is needed to be tested, the clamping plate 9 is directly pressed, the electric cable is arranged between the metal clamping blocks 10 on the two sides, then the clamping plate 9 is loosened, under the action of the fixing frame 11 and the torsion spring 12, the metal clamping blocks 10 are tightly attached to the outer side of the electric cable, then the electric signal is transmitted into the meter body 1 through the metal ring 8, the contact rod 6 and the electric wire 5, when the circuit board and other places which cannot be clamped are needed to be tested, the shell 7 is directly pulled out, the contact rod 6 is exposed, the contact rod 6 is directly used for contact test, after the use is finished, the electric wire 5 is slowly loosened, then the winding wheel 15 is driven under the action of the spring 14 to recover the electric wire 5, and the conductive, the electric wire 5 can be ensured not to be knotted and wound, and finally the handle 2 is buckled into the inner side of the watch body 1.

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

1. A portable ammeter, includes the table body (1) and barre (2), its characterized in that: the electric wire is characterized in that the bottom end of the handle bar (2) is electrically connected with an electric wire (5), the top end of the handle bar (2) is fixedly connected with a touch rod (6), and one end of the electric wire (5) is electrically connected with the touch rod (6).

2. A portable ammeter as defined in claim 1 wherein: the side of the watch body (1) is provided with a groove, the side wall of the groove is fixedly connected with a clamping block (3), and the inner side of the clamping block (3) is clamped with a handle rod (2).

3. A portable ammeter as defined in claim 1 wherein: the outer side of the handle rod (2) is sleeved with a rubber sleeve (4), and the outer side of the rubber sleeve (4) is provided with a bulge.

4. A portable ammeter as defined in claim 1 wherein: casing (7) have been cup jointed on the top of barre (2), the inboard fixedly connected with becket (8) in bottom of casing (7), and becket (8) and feeler lever (6) sliding connection, the top of casing (7) is equipped with splint (9), the equal fixedly connected with becket (10) in casing (7) top and splint (9) top, and be located becket (10) and becket (8) electric connection on casing (7), casing (7) upper end right side and splint (9) left side are all fixed the ring and are connected with mount (11), and rotate through the pivot between mount (11) and connect, torsional spring (12) have been cup jointed in the outside of pivot.

5. A portable ammeter as defined in claim 1 wherein: the novel watch is characterized in that a fixed shaft (13) is fixedly connected to the inner side of the watch body (1), a clockwork spring (14) is fixedly connected to the outer side of the fixed shaft (13), a take-up pulley (15) is fixedly connected to the outer side of the clockwork spring (14), the take-up pulley (15) is rotatably connected with the fixed shaft (13), the outer side of the take-up pulley (15) is fixedly connected with an electric wire (5), a conductive sliding ring (16) is fixedly connected to one side of the take-up pulley (15), the other end of the electric wire (5) is electrically connected with the conductive sliding ring (16), the other end of the conductive sliding ring (16) is fixedly connected with the watch body (1), and the other end of the conductive sliding ring (16).