CN216979164U

CN216979164U - Multifunctional measuring pen for ammeter

Info

Publication number: CN216979164U
Application number: CN202122773472.9U
Authority: CN
Inventors: 吴寿军
Original assignee: Binzhou Baili Power Engineering Co ltd
Current assignee: Binzhou Baili Power Engineering Co ltd
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-07-15
Anticipated expiration: 2031-11-13

Abstract

The utility model relates to the technical field of measuring pens, in particular to a multifunctional measuring pen for an ammeter. According to the utility model, after the control rod is pulled, the trapezoidal clamping block is pulled by the control rod to move out of the tooth groove on the surface of the rack, then the sliding shell is made to stretch and slide on the surface of the measuring pen holder body after the rolling gear is pulled to roll, so that the length between the measuring pen holder body and the sliding shell is prolonged, the sliding shell can be conveniently held by a hand to detect a complex and dense circuit, meanwhile, the danger that the circuit detecting hand touches the circuit is reduced, and then the protecting sleeve can be quickly nested outside the mounting and fixing tooth block and fixed, so that the detecting needle at the bottom end of the measuring pen head body is protected, and the detecting needle cannot be abraded and damaged due to shaking when the detecting needle is stored together with other tools.

Description

Multifunctional measuring pen for ammeter

Technical Field

The utility model relates to the technical field of measuring pens, in particular to a multifunctional measuring pen for an ammeter.

Background

The ammeter is a meter used for measuring current in an alternating current circuit and a direct current circuit. The ammeter is made by the action of magnetic field force applied to the current conductor in the magnetic field. Since the magnitude of the magnetic field force increases with increasing current, the magnitude of the current can be observed by the degree of deflection of the pointer. The measuring pen matched with the ammeter is an important component required by the ammeter in measurement, needs to be in contact with a tested circuit through the measuring pen, and is an indispensable component in the use process of the ammeter.

Current current pen length is fixed, it is comparatively convenient when measuring domestic simple electrical apparatus and circuit, when measuring comparatively complicated intensive line device is inside, because intensive line space is crowded, measuring pen length is shorter, lead to the handheld measuring pen inconvenient to go deep into inside the circuit and detect, it is inflexible to use, and the measuring pen point is placed together with various instruments when depositing, when carrying, owing to rock and cause the nib to rub and damage, influence the measurement and use, consequently need to design a multifunctional measuring pen that the ampere meter was used urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional measuring pen for an ammeter, and aims to solve the problems that the length of the existing current pen provided in the background technology is fixed, the existing current pen is convenient to measure simple household appliances and circuits, and when the existing current pen is used for measuring the interior of a complicated dense circuit device, the handheld measuring pen cannot conveniently go deep into the circuit for detection and is inflexible to use due to crowded dense circuit space and short measuring pen length, and the head of the measuring pen is worn and damaged due to shaking when the measuring pen head is stored and placed together with various tools and is carried, so that the measuring use is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a multifunctional measuring pen for an ammeter comprises a measuring pen holder body, a measuring pen point body arranged at the bottom end of the measuring pen holder body and a connecting wire arranged at the top end of the measuring pen holder body, wherein a rack is arranged on the surface of the measuring pen holder body, a sliding shell is nested outside the measuring pen holder body, and a fixing rod is arranged at the bottom end of the inner side of the sliding shell;

the measuring pen comprises a measuring pen body and is characterized in that a rolling gear is installed at one end, facing the surface of the measuring pen body, of the fixing rod, a control assembly is arranged between the surface of the measuring pen body and the sliding shell, a protective sleeve is nested on the outer side of the measuring pen body, and an installation fixing tooth block is installed on the surface of the measuring pen body.

Preferably, the side edge of the rolling gear is meshed with the surface of the rack.

Preferably, the control assembly including install in the control lever on slip shell surface, the control lever in the separation blade is installed to the inboard one end of slip shell, the control lever in the inboard one end of slip shell is cup jointed elastic spring, the control lever in trapezoidal fixture block is installed to the inboard one end of slip shell, just trapezoidal fixture block set up in the tooth's socket of rack surface.

Preferably, the inner side of the sliding shell and the outer side of the sliding shell are both provided with current insulation sleeves, and the surface of the current insulation sleeve outside the sliding shell is provided with an anti-skid protection pad.

Preferably, a sawtooth groove is formed in the inner side port of the protective sleeve, and the sawtooth groove in the inner side of the protective sleeve is meshed with the installation fixing tooth block.

Preferably, the rolling gear is hinged to the fixing rod.

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

1. after the control rod is pulled, the trapezoidal fixture block is pulled by the control rod to move out of a tooth groove on the surface of the rack, and then the sliding shell stretches and slides on the surface of the measuring pen holder body after rolling by pulling the rolling gear, so that the length between the measuring pen holder body and the sliding shell is prolonged, the sliding shell can be conveniently held by a hand to detect complex and dense circuits, and meanwhile, the danger that the circuit detecting hand touches the circuits is reduced.

2. The protective sleeve can be quickly nested and fixed after the fixed tooth block is installed, so that the detection needle at the bottom end of the measuring pen head body is protected and cannot be worn or damaged due to shaking when being stored together with other tools.

Drawings

FIG. 1 is a three-dimensional schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional elevation view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a three-dimensional schematic view of the internal structure of the protective cover of the present invention.

In the figure: 1. measuring the pen holder body; 101. the measuring pen point body; 102. a connecting wire; 2. a rack; 201. a sliding housing; 202. fixing the rod; 203. a rolling gear; 3. a control lever; 301. a baffle plate; 302. an elastic spring; 303. a trapezoidal fixture block; 4. a current insulation sleeve; 401. an anti-slip pad; 5. a protective sleeve; 501. and installing a fixed tooth block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a multifunctional measuring pen for an ammeter comprises a measuring pen holder body 1, a measuring pen point body 101 arranged at the bottom end of the measuring pen holder body 1 and a connecting wire 102 arranged at the top end of the measuring pen holder body 1, wherein a rack 2 is arranged on the surface of the measuring pen holder body 1, a sliding shell 201 is nested outside the measuring pen holder body 1, and a fixing rod 202 is arranged at the bottom end of the inner side of the sliding shell 201;

a rolling gear 203 is installed at one end, facing the surface of the measuring pen holder body 1, of the fixing rod 202, a control assembly is arranged between the surface of the measuring pen holder body 1 and the sliding shell 201, a protecting sleeve 5 is nested outside the measuring pen head body 101, and an installation fixing tooth block 501 is installed on the surface of the measuring pen head body 101.

Further, the side edge of the rolling gear 203 is engaged with the surface of the rack 2, and the rolling gear 203 can stably roll and translate along the surface of the rack 2 through the engagement between the rolling gear 203 and the sliding housing 201.

Further, control assembly is including installing in the control lever 3 on slip shell 201 surface, separation blade 301 is installed in slip shell 201 inboard one end to control lever 3, spring 302 is cup jointed in the inboard one end of slip shell 201 to control lever 3, trapezoidal fixture block 303 is installed in the inboard one end of slip shell 201 to control lever 3, and trapezoidal fixture block 303 sets up in 2 surperficial tooth's slots of rack, behind the control lever 3 of pulling by hand, can control trapezoidal fixture block 303 and insert in 2 surperficial tooth's slots of rack.

Furthermore, the current insulation sleeve 4 is arranged on the inner side of the sliding shell 201 and the outer side of the sliding shell 201, the anti-skidding protection pad 401 is arranged on the surface of the current insulation sleeve 4 on the outer side of the sliding shell 201, the safety of the device in use can be further improved through the arrangement of the double-layer current insulation sleeve 4, and the current insulation effect is better.

Further, 5 medial extremity mouths in lag 5 are provided with the sawtooth recess, 5 inboard sawtooth recesses in lag mesh with installation fixed tooth piece 501 mutually, and lag 5 is rubber materials, can produce deformation when 5 inboard sawtooth recesses in lag can receive the extrusion, and the lag 5 of being convenient for cup joints and fixes in installation fixed tooth piece 501 outside after-fixing.

Furthermore, the rolling gear 203 is hinged to the fixing rod 202, so that the rolling gear 203 can move and roll conveniently after the rolling gear 203 is hinged to the fixing rod.

The working principle is as follows: when a worker uses the device, the control rod 3 is pulled manually to move towards the outer side of the sliding shell 201, so that the control rod 3 drags the trapezoidal fixture block 303 to move out of the white tooth groove of the rack 2, then the rolling gear 203 is dragged to roll on the white surface of the rack 2, so that after the sliding shell 201 slides in a telescopic way from the outside of the measuring penholder body 1, then, after the control lever 3 is released, the control lever 3 is dragged to move towards the inner side of the sliding shell 201 by the elastic force of the elastic spring 302 against the baffle 301, then the trapezoidal fixture block 303 is pressed into the tooth groove on the surface of the rack 2 for fixing, so that the length between the adjusted sliding shell 201 and the measuring penholder body 1 is increased, thereby facilitating the holding of the sliding shell 201 for detecting complex and dense circuits, secondly, through the protection measuring pen point body 101 that lag 5 can be fine, prevent that measuring pen point body 101 from being damaged by wearing and tearing, the life of extension device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional measuring pen that ampere meter was used, including measuring pen-holder body (1), install in measure measurement nib body (101) of pen-holder body (1) bottom and install in measure connecting wire (102) on pen-holder body (1) top, its characterized in that: the rack (2) is installed on the surface of the measuring pen holder body (1), the sliding shell (201) is nested outside the measuring pen holder body (1), and the fixing rod (202) is installed at the bottom end of the inner side of the sliding shell (201);

dead lever (202) orientation roller gear (203) are installed to the one end on measurement pen-holder body (1) surface, measurement pen-holder body (1) surface with be provided with control assembly between slip shell (201), the nested lag (5) that have in measurement nib body (101) outside, measurement nib body (101) surface mounting has fixed tooth piece of installation (501).

2. The multifunctional measuring pen for the ammeter according to claim 1, wherein: the side edge of the rolling gear (203) is meshed with the surface of the rack (2).

3. The multifunctional measuring pen for the ammeter according to claim 1, wherein: control assembly including install in control lever (3) on slip shell (201) surface, control lever (3) in separation blade (301) are installed to slip shell (201) inboard one end, control lever (3) in slip shell (201) inboard one end is cup jointed elastic spring (302), control lever (3) in trapezoidal fixture block (303) are installed to the inboard one end of slip shell (201), just trapezoidal fixture block (303) set up in rack (2) surface tooth's socket.

4. The multifunctional measuring pen for the ammeter according to claim 1, wherein: the inner side of the sliding shell (201) and the outer side of the sliding shell (201) are both provided with current insulation sleeves (4), and the surface of the current insulation sleeve (4) on the outer side of the sliding shell (201) is provided with an anti-skidding protection pad (401).

5. The multifunctional measuring pen for the ammeter according to claim 1, wherein: the protecting sleeve is characterized in that a sawtooth groove is formed in an end opening in the inner side of the protecting sleeve (5), and the sawtooth groove in the inner side of the protecting sleeve (5) is meshed with the installation fixing tooth block (501).

6. The multifunctional measuring pen for the ammeter according to claim 1, wherein: the rolling gear (203) is hinged with the fixing rod (202).