CN220381280U

CN220381280U - Electric measuring instrument calibrating device

Info

Publication number: CN220381280U
Application number: CN202321144542.7U
Authority: CN
Inventors: 王尚德; 李山夫; 阮峰; 郑金霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2024-01-23
Anticipated expiration: 2033-05-12

Abstract

The utility model relates to the technical field of electricians, in particular to an electric measuring instrument calibrating device which comprises an electric measuring instrument, a measuring pen matched with the electric measuring instrument and a protective sleeve, wherein the measuring pen is movably arranged in the protective sleeve, and an adjusting mechanism for driving the measuring pen to move is arranged in the protective sleeve; the regulating mechanism comprises a straight rack at the bottom of the measuring pen and a gear meshed with the straight rack through a mounting rack, wherein a rotating rod is arranged in the protecting sleeve, the gear is arranged on the rotating rod, and a limiting mechanism for limiting the rotation of the gear is further arranged on the rotating rod. Through the adjustment mechanism who sets up, utilize the meshing between straight rack and the gear, can guarantee that the measuring pen carries out rectilinear motion in the protective sheath, make things convenient for the fine setting to handle to this reaches the purpose of freely controlling the length of measuring pen, utilizes stop gear's use simultaneously, uses through the cooperation of pawl on the ratchet, in order to can restrict the rotation of bull stick, in order to maintain the stability of measuring pen when removing.

Description

Electric measuring instrument calibrating device

Technical Field

The utility model relates to the technical field of electricians, in particular to an electric measuring instrument calibrating device.

Background

The electric measuring instrument is an instrument for realizing measurement of various quantities by an electric measuring method, and the measuring instrument has a plurality of varieties, but each instrument comprises two main parts, namely a measuring mechanism and a measuring circuit.

Through retrieving, chinese patent grant bulletin number CN217739271U discloses an electric measuring instrument detection device, including electricity measuring instrument and measuring pen, the slot hole has been seted up to the surface of measuring pen, the interior bottom fixedly connected with telescopic link in slot hole, the one end fixedly connected with spacing ball of telescopic link, the surface cover of telescopic link is equipped with the spring, the surface slip of measuring pen is provided with the extension bar, the lower terminal surface fixedly connected with connecting wire of measuring pen. According to the utility model, the telescopic rod and the spring are matched for use, so that the limiting ball can move up and down, the limiting ring plays a role in limiting the limiting ball, the measuring pen is pulled, and the limiting ball is clamped in different first notches, so that the length of the measuring pen can be freely controlled, thereby being convenient to operate and use and solving the problem of low working efficiency.

In the above technical solution, the inventor found that the elongation of the measuring pen is achieved by using the limiting ball to clamp different first notches, but the elongation is limited by the reason of the spacing between the uniformly distributed first notches, (assuming that the spacing between the adjacent first notches is N), so that the elongation length of the measuring pen can be only N or a multiple of N, and it is difficult to perform fine adjustment during measurement.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric measuring instrument calibrating device, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric measuring instrument calibrating device, includes the measuring instrument and cooperates the measuring pen that the measuring instrument used to and protective sheath, the movable setting of measuring pen is equipped with the adjustment mechanism that is used for driving the measuring pen and removes in the protective sheath;

the regulating mechanism comprises a straight rack at the bottom of the measuring pen and a gear meshed with the straight rack through a mounting rack, wherein a rotating rod is arranged in the protecting sleeve, the gear is arranged on the rotating rod, and a limiting mechanism for limiting the rotation of the gear is further arranged on the rotating rod.

Preferably, both ends of the rotating rod extend out of the protective sleeve, and one end of the rotating rod is provided with a hand wheel.

Preferably, the limit mechanism comprises a ratchet wheel arranged at one end of the rotating rod deviating from the hand wheel, and a pawl matched with the ratchet wheel for use on the side wall of the protective cover through a rotating shaft, and a hand pressing plate is arranged on the pawl.

Preferably, the limiting mechanism further comprises a propping plate arranged on the side wall of the protective sleeve through the movable shaft, a torsion spring arranged on the movable shaft is arranged between the propping plate and the protective sleeve, and the propping plate is pressed on the pawl.

Preferably, the tail end of the measuring pen is connected with a wire, the other end of the wire is provided with a plug, and the corresponding electric meter is provided with a jack for plugging the plug.

Preferably, one end of the straight rack, which is far away from the gear, is provided with a sliding block, and the corresponding inner wall of the protective sleeve is provided with a sliding groove for sliding the sliding block.

(III) beneficial effects

Compared with the prior art, the utility model provides an electric measuring instrument calibrating device, which comprises the following components

The beneficial effects are that:

through the adjustment mechanism who sets up, utilize the meshing between straight rack and the gear, can guarantee that the measuring pen carries out rectilinear motion in the protective sheath, make things convenient for the fine setting to handle to this reaches the purpose of free control measuring pen's length, utilizes stop gear's use simultaneously, uses through the cooperation of pawl on the ratchet, with can restrict the rotation of bull stick, in order to maintain the measuring pen stability when removing, further improved holistic practicality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

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

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of a partial cut-away mechanism of the protective sheath of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present utility model.

In the figure: 1. an electricity measuring instrument; 2. a protective sleeve; 3. a measuring pen; 4. a wire; 5. a jack; 6. an adjusting mechanism; 601. a straight rack; 602. a hand wheel; 603. a rotating rod; 604. a limiting mechanism; 6041. a ratchet wheel; 6042. a pawl; 6043. a hand pressing plate; 6044. an abutting plate; 605. a gear; 7. a plug.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Fig. 1-5 are diagrams showing an embodiment of the utility model, an electrical measuring instrument calibrating device, which comprises an electrical measuring instrument 1, a measuring pen 3 matched with the electrical measuring instrument 1, and a protective sleeve 2, wherein the measuring pen 3 is movably arranged in the protective sleeve 2, an opening is arranged at the bottom of the protective sleeve 2 and is communicated with the inside of the protective sleeve, a wire 4 is connected with the tail end of the measuring pen 3, a plug 7 is arranged at the other end of the wire 4, a jack 5 for plugging the plug 7 is correspondingly arranged on the electrical measuring instrument 1, the plug 7 is plugged into the jack 5 to supply the use of the measuring pen 3, and a buckle is arranged at the back of the electrical measuring instrument 1 for the clamping treatment of the protective sleeve 2.

In this embodiment, referring to fig. 3-5, an adjusting mechanism 6 for driving the measuring pen 3 to move is provided in the protecting cover 2, the adjusting mechanism 6 includes a straight rack 601 disposed at the bottom of the measuring pen 3, and a gear 605 meshed with the straight rack 601 and disposed in the protecting cover 2 through a mounting frame, one end of the straight rack 601 far away from the gear 605 is provided with a sliding block, a sliding groove for sliding the sliding block is provided on the inner wall of the protecting cover 2 correspondingly, the sliding block is moved in the sliding groove to assist the movable stability of the straight rack 601, a rotating rod 603 is provided in the protecting cover 2, the rotating rod 603 passes through the mounting frame, the gear 605 is disposed on the rotating rod 603, both ends of the rotating rod 603 extend out of the protecting cover 2, one end of the rotating rod 603 is provided with a hand wheel 602, the measuring pen 3 can be meshed with the gear 605 by directly pulling the measuring pen 3, and meanwhile, a baffle is provided at the bottom of the straight rack 601, so that the excessive pulling of the straight rack 601 can be avoided, thereby achieving the purpose of freely controlling the length of the measuring pen 3, and conveniently measuring electricity at different positions.

In order to ensure the stability of the extension of the measuring pen 3, further description, referring to fig. 4 and 5, a limiting mechanism 604 for limiting the rotation of the gear 605 is further provided on the rotating rod 603, the limiting mechanism 604 includes a ratchet 6041 disposed on one end of the rotating rod 603 away from the hand wheel 602, and a pawl 6042 matched with the ratchet 6041 for use on the side wall of the protecting sleeve 2 through a rotating shaft, a hand pressing plate 6043 is provided on the pawl 6042, the rotating rod 603 rotates and is stably abutted on the ratchet 6041 through the pawl 6042, the situation that the rotating rod 603 rotates is avoided, the limiting mechanism 604 further includes an abutting plate 6044 disposed on the side wall of the protecting sleeve 2 through a movable shaft, the abutting plate 6044 is disposed on the side wall of the protecting sleeve 2 on the same side of the pawl 6042, a torsion spring disposed on the movable shaft is disposed between the abutting plate 6044 and the protecting sleeve 2, the abutting plate 6044 is pressed on the pawl 6042, the abutting plate 6042 is stably abutted to the pawl 6042, rotation of the limiting ratchet 6041 can be ensured, and simultaneously, when the measuring pen 3 moves downwards, the hand pressing plate 6043 is pressed, and the whole measuring range of the pen 6042 can be further adjusted conveniently.

When the embodiment works, according to the on-site environment, when the length of the measuring pen 3 needs to be adjusted, the meshing between the straight rack 601 and the gear 605 can be realized by rotating the hand wheel 602 or directly pulling the measuring pen 3, so that the use of the measuring pen 3 is prolonged, and during the period, in order to ensure the stability of the extension of the measuring pen 3, the ratchet 6041 is limited by the pawl 6042, so that the condition of avoiding the rotation of the rotating rod 603 is realized, and the measuring pen 3 is convenient to measure and use.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It should be noted that, in this document, 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.

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 an electric measuring instrument calibrating device, includes survey electric instrument (1) and cooperation survey measuring pen (3) that survey electric instrument (1) used to and protective sheath (2), its characterized in that: the measuring pen (3) is movably arranged in the protective cover (2), and an adjusting mechanism (6) for driving the measuring pen (3) to move is arranged in the protective cover (2);

the adjusting mechanism (6) comprises a straight rack (601) arranged at the bottom of the measuring pen (3) and a gear (605) meshed with the straight rack (601) and arranged in the protective cover (2) through a mounting frame, a rotating rod (603) is arranged in the protective cover (2), the gear (605) is arranged on the rotating rod (603), and a limiting mechanism (604) used for limiting the rotation of the gear (605) is further arranged on the rotating rod (603).

2. An electrical meter verification device as claimed in claim 1, wherein: both ends of the rotating rod (603) extend out of the protective sleeve (2), and a hand wheel (602) is arranged at one end of the rotating rod (603).

3. An electrical meter verification device as claimed in claim 2, wherein: the limiting mechanism (604) comprises a ratchet wheel (6041) arranged at one end of the rotating rod (603) deviating from the hand wheel (602), a pawl (6042) matched with the ratchet wheel (6041) for use on the side wall of the protective sleeve (2) through a rotating shaft, and a hand pressing plate (6043) arranged on the pawl (6042).

4. An electrical meter verification device in accordance with claim 3 wherein: the limiting mechanism (604) further comprises a abutting plate (6044) arranged on the side wall of the protective sleeve (2) through a movable shaft, a torsion spring arranged on the movable shaft is arranged between the abutting plate (6044) and the protective sleeve (2), and the abutting plate (6044) is pressed on the pawl (6042).

5. An electrical meter verification device as claimed in claim 1, wherein: the tail end of the measuring pen (3) is connected with a wire (4), the other end of the wire (4) is provided with a plug (7), and a jack (5) for plugging the plug (7) is correspondingly arranged on the electricity measuring instrument (1).

6. An electrical meter verification device in accordance with claim 3 wherein: one end of the straight rack (601) far away from the gear (605) is provided with a sliding block, and the inner wall of the corresponding protective sleeve (2) is provided with a sliding groove for sliding block movement.