CN211955794U - Insulation resistance meter calibrating device - Google Patents

Abstract

The utility model discloses an insulation resistance meter calibrating installation, including box and case lid, the top of box is equipped with the case lid, the inside of box is equipped with the examination main part, it is connected with the box through the connecting piece to examine and determine the main part. This insulation resistance table calibrating installation for traditional technique, has following advantage: through the box, the case lid, the cooperation between examination main part and the connecting piece, place the examination main part and be connected between the inside of box and two squares, the box can protect the examination main part, it is not easily influenced by external force to examine and determine the main part, do benefit to the permanent use of examining and determining the main part, use and accomplish the back operating personnel and can push down the examination main part, can make the square move down, enable the top looks joint in knee and heterotypic groove, then can be located the box inside with the examination main part completely, then cover the box with the case lid, accomodating to the examination main part has been accomplished promptly.

Description

Insulation resistance meter calibrating device

Technical Field

The utility model relates to an insulation resistance meter calibrating installation technical field specifically is an insulation resistance meter calibrating installation.

Background

The insulation ohmmeter calibrating device is designed with an independent leakage shielding terminal button, has no obvious instability, short circuit and open circuit in the measuring process, is not needed to calibrate the high-resistance meter, is additionally provided with a resistor output end voltage measuring terminal button for calibrating the high-resistance meter, enlarges the resistor measuring range phenomenon, can be used for calibrating the resistance values of various types of pointer type megohmmeters and digital megohmmeters, and the open circuit voltage, the median voltage and the peak voltage of the insulation ohmmeter, but the existing insulation ohmmeter calibrating device lacks a protection device in the using process, is easy to be influenced by external force, and is not beneficial to the long-term use of a calibrating body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulation resistance table calibrating installation to the current insulation resistance table calibrating installation who proposes in solving above-mentioned background art lacks protector in the use, and the examination body easily receives external force to influence, is unfavorable for the permanent use problem of examination body.

In order to achieve the above object, the utility model provides a following technical scheme: an insulation resistance meter calibrating device comprises a box body and a box cover, wherein the box cover is arranged at the top end of the box body, a calibrating main body is arranged inside the box body, and the calibrating main body is connected with the box body through a connecting piece;

the connecting piece comprises a vertical groove, a first trapezoidal column, a hook spring, a square block, a second trapezoidal column, a sliding groove, a sliding block, a special-shaped groove, a bent rod, a short cylinder and a pin rod;

two erect the groove and set up respectively in the inside left and right sides of box, the top rigid coupling of erecting the groove has first trapezoidal post, the outer wall rigid coupling of first trapezoidal post has the couple spring, the inside of erecting the groove is equipped with the square, two be connected with the examination main part between the square, the preceding top rigid coupling of square has the trapezoidal post of second, the trapezoidal post of second links to each other with the couple spring is fixed, erect the inside surface in groove and seted up the spout, the inside slip joint of spout has the slider, the profiled groove has been seted up to the front surface bottom of square, the inside in profiled groove is supported tightly has the knee, the bottom rigid coupling of knee has short section of thick bamboo, short section of thick bamboo passes through the knee and erects the groove rotation and link to each other. The verification main body is not easily influenced by external force, and the long-term use of the verification main body is facilitated.

Preferably, the sliding groove and the sliding block form a sliding limiting structure. The stability of the square sliding up and down in the vertical groove can be increased.

Preferably, the central points of the two squares are located on the same horizontal line. The flatness of the main body can be verified between the two blocks.

Preferably, the square block is connected with the verification main body through a supporting plate assembly;

the supporting plate component comprises a supporting plate, a pearl cotton support, a first groove, a second groove, a screw, a pressing plate and a knob;

the utility model discloses a calibration device, including layer board, first recess, second recess, the layer board is located between two squares, the layer board links to each other with the square is fixed, the upper surface rigid coupling of layer board has the cotton support of pearl, the cotton inner wall that holds in the palm of pearl offsets tightly with the outer wall bottom of examining and determine the main part, first recess has all been seted up to the cotton inner wall left and right sides that holds in the palm of pearl, the second recess has all been seted up to the upper surface left and right sides of layer board, the inboard side thread connection of second recess has the screw rod, the medial extremity rigid coupling of screw rod has the clamp plate, the clamp. The verification main body and the box body can be installed simply.

Preferably, the inner side surface of the pressure plate is processed with a rubber pad. The stability between the pressure plate and the assay body can be increased.

Preferably, the outer wall of the knob is processed with abrasive grains. The abrasive grain can increase the friction of the outer wall of the knob.

Preferably, the inner side surface of the pearl cotton holder is matched with the contact surface of the verification main body. The pearl cotton support can be completely attached to the contact surface of the verification main body.

Preferably, the upper surface of the box cover is provided with an auxiliary piece;

the auxiliary part comprises a strap, a handle, a sponge block and a buckle;

the two buckles are respectively installed on the left side and the right side of the upper surface of the box cover, the two buckles are provided with the braces between the top ends of the buckles, the handle is fixedly connected to the center of the upper surface of the box cover, the sponge blocks are fixedly connected to the lower surface of the box cover, and the bottom ends of the sponge blocks are tightly abutted to the top end of the verification main body. The verification main body is relatively portable.

Compared with the prior art, the beneficial effects of the utility model are that: this insulation resistance table calibrating installation for traditional technique, has following advantage:

through the box, the case lid, the cooperation between examination main part and the connecting piece, place the examination main part and be connected between the inside of box and two squares, the box can protect the examination main part, it is not easily influenced by external force to examine and determine the main part, do benefit to the permanent use of examining and determining the main part, use and accomplish the back operating personnel and can push down the examination main part, can make the square move down, enable the top looks joint in knee and heterotypic groove, then can be located the box inside with the examination main part completely, then cover the box with the case lid, accomodating to the examination main part has been accomplished promptly.

Through the cooperation between examination main part, square and the layer board subassembly, place the bottom of examining and determine the main part in the cotton inside that holds in the palm of pearl, then carry out clockwise rotation with the knob, can make the clamp plate support tightly with the examination main part mutually, can accomplish then that the installation between to examination main part and the box is fixed, it is comparatively simple to operate convenient, do benefit to operating personnel and use.

Through the cooperation between case lid and the auxiliary member, be connected the back between case lid and the box, the removal of the box of can being convenient for of braces and handle for it is comparatively portable to examine and determine the main part, and the sponge piece can be inconsistent tightly with the upper surface of examining and determining the main part simultaneously, does benefit to the stability that increases the examination main part, further does benefit to the permanent use of examining and determining the main part.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the case, the assay body and the block of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the block, the hook spring and the bent rod of FIG. 2;

fig. 4 is a schematic view of a connection structure of the pallet, the certification body, and the pressing plate of fig. 2.

In the figure: 1. the device comprises a box body, 2, a box cover, 3, a verification main body, 4, a connecting piece, 401, a vertical groove, 402, a first trapezoidal column, 403, a hook spring, 404, a square block, 405, a second trapezoidal column, 406, a sliding groove, 407, a sliding block, 408, a special-shaped groove, 409, a bent rod, 410, a short cylinder, 411, a pin rod, 5, a supporting plate component, 501, a supporting plate, 502, a pearl cotton support, 503, a first groove, 504, a second groove, 505, a screw rod, 506, a pressing plate, 507, a knob, 6, an auxiliary piece, 601, a strap, 602, a handle, 603, a sponge block, 604 and a buckle.

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 an insulation resistance meter calibrating installation, including box 1 and case lid 2, the top of box 1 is equipped with case lid 2, the left side of case lid 2 is passed through the round pin axle and is rotated with box 1 and link to each other, the right side of case lid 2 is passed through the hasp and is linked to each other with box 1, the inside of box 1 is equipped with examination main part 3, it is worth explaining, it is the examination main part 3 that the model that involves stereo set examination main part 3 in this embodiment adopts Zhejiang Hangzhou Fuyang precision production is ZX119-8, its each part provides by the producer, this examination main part 3 is prior art, the technical staff can realize completely, need not proud, the utility model discloses the content of protection does not relate to the improvement to inner structure and method yet, examination main part 3 is connected with box 1 through connecting piece 4, connecting piece 4 includes vertical retort 401, first trapezoidal post 402, couple spring 403, square 404, second trapezoidal post 405, A sliding block 407, a special-shaped groove 408, a bent rod 409, a short cylinder 410 and a pin rod 411, wherein two vertical grooves 401 are respectively arranged at the left side and the right side in the box body 1, a first trapezoidal column 402 is fixedly connected to the top end of each vertical groove 401, a hook spring 403 is fixedly connected to the outer wall of each first trapezoidal column 402, the coefficient of the hook spring 403 is 15-30N/CM, a square 404 is arranged in each vertical groove 401, the outer wall of each square 404 is in clearance fit with the inner wall of each vertical groove 401, a verification main body 3 is connected between the two squares 404, a second trapezoidal column 405 is fixedly connected to the front top end of each square 404, the second trapezoidal column 405 is fixedly connected with the hook spring 403, a sliding groove 406 is arranged on the inner surface of each vertical groove 401, the sliding block 407 is clamped in the sliding groove 406, the special-shaped groove 408 is arranged at the bottom end of the front surface of each square 404, the bent rod 409 is tightly abutted against the inside of each special-shaped groove 408, the bottom end, spout 406 and slider 407 constitute the limit structure that slides, spout 406 can play limiting displacement to slider 407, and slider 407 can slide from top to bottom in the inside of spout 406, but slider 407 can't carry out left removal around the inside of spout 406, can increase the stability of square 404 when perpendicular inslot 401 is inside slides from top to bottom, and the central point of two squares 404 all is located same water flat line, does benefit to the roughness of examining main part 3 between two squares 404.

The block 404 is connected with the verification main body 3 through the supporting plate component 5, the supporting plate component 5 comprises a supporting plate 501, a pearl cotton support 502, a first groove 503, a second groove 504, a screw rod 505, a pressing plate 506 and a knob 507, the supporting plate 501 is positioned between the two blocks 404, the supporting plate 501 is fixedly connected with the block 404, the upper surface of the supporting plate 501 is fixedly connected with the pearl cotton support 502, the inner wall of the pearl cotton support 502 is tightly propped against the bottom end of the outer wall of the verification main body 3, the left side and the right side of the inner wall of the pearl cotton support 502 are respectively provided with the first groove 503, the left side and the right side of the upper surface of the supporting plate 501 are respectively provided with the second groove 504, the inner side of the second groove 504 is in threaded connection with the screw rod 505, the inner side end of the screw rod 505 is fixedly connected with the pressing plate 506, the pressing plate 506 is tightly propped against the verification main, can increase the stability between clamp plate 506 and the examination main part 3, the outer wall processing of knob 507 has the mill grain, and the friction of knob 507 outer wall can be increased to the mill grain, and the cotton inboard surface that holds in the palm 502 of pearl agrees with mutually with the contact surface of examining main part 3 for the cotton contact surface that holds in the palm 502 of pearl can be with examining main part 3 is laminated completely.

The upper surface of case lid 2 is equipped with auxiliary member 6, and auxiliary member 6 includes braces 601, handle 602, sponge piece 603 and buckle 604, and two buckles 604 are installed respectively in the upper surface left and right sides of case lid 2, installs braces 601 between the top of two buckles 604, and the handle 602 rigid coupling is at the upper surface center of case lid 2, and the equal rigid coupling of a plurality of sponge pieces 603 is at the lower surface of case lid 2, and the bottom of sponge piece 603 offsets tightly with the top of examining main part 3.

When the insulation resistance meter calibrating device is used, the bottom end of the calibrating main body 3 is firstly placed in the pearl cotton support 502, then the knob 507 is rotated clockwise, the pressing plate 506 can be abutted against the calibrating main body 3, then the installation and fixation between the calibrating main body 3 and the box body 1 can be completed, the operation is simple and convenient, then an operator can press the calibrating main body 3 downwards, the block 404 can move downwards, the bent rod 409 can be clamped with the top end of the special-shaped groove 408, then the calibrating main body 3 can be completely positioned in the box body 1, then the box cover 2 covers the box body 1, namely the calibration main body 3 is accommodated, the straps 601 and the handle 602 can facilitate the movement of the box body 1, so that the calibrating main body 3 is portable, meanwhile, the sponge block 603 can be abutted against the upper surface of the calibrating main body 3, and the stability of the calibrating main body 3 is increased, when the verification main body 3 needs to be used, the box cover is separated from the upper part of the box body 1, an operator slightly presses the verification main body 3 to separate the bent rod 409 from the special-shaped groove 408, at this time, the hook spring 403 can rebound, the square 404, the supporting plate 501 and the verification main body can all move upwards, the verification main body 3 is exposed out of the box body 1, and the verification main body 3 can be used.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (8)

1. The utility model provides an insulation resistance meter calibrating installation, includes box (1) and case lid (2), the top of box (1) is equipped with case lid (2), its characterized in that: a verification main body (3) is arranged inside the box body (1), and the verification main body (3) is connected with the box body (1) through a connecting piece (4);

the connecting piece (4) comprises a vertical groove (401), a first trapezoidal column (402), a hook spring (403), a square block (404), a second trapezoidal column (405), a sliding groove (406), a sliding block (407), a special-shaped groove (408), a bent rod (409), a short cylinder (410) and a pin rod (411);

two vertical grooves (401) are respectively arranged at the left side and the right side of the interior of the box body (1), the top end of each vertical groove (401) is fixedly connected with a first trapezoidal column (402), the outer wall of each first trapezoidal column (402) is fixedly connected with a hook spring (403), a square block (404) is arranged inside each vertical groove (401), a verification main body (3) is connected between the two square blocks (404), a second trapezoidal column (405) is fixedly connected to the front top end of each square block (404), the second trapezoidal column (405) is fixedly connected with the hook springs (403), a sliding groove (406) is formed in the inner surface of each vertical groove (401), a sliding block (407) is connected to the inner sliding joint of the sliding groove (406), a special-shaped groove (408) is formed in the bottom end of the front surface of each square block (404), a bent rod (409) is tightly connected to the interior of each special-shaped groove (408), a short cylinder (410) is fixedly connected to the bottom end, the short cylinder (410) is rotatably connected with the vertical groove (401) through a pin rod (411).

2. An insulation resistance meter calibrating device according to claim 1, wherein: the sliding groove (406) and the sliding block (407) form a sliding limiting structure.

3. An insulation resistance meter calibrating device according to claim 1, wherein: the central points of the two squares (404) are all located on the same horizontal line.

4. An insulation resistance meter calibrating device according to claim 1, wherein: the square block (404) is connected with the verification main body (3) through a supporting plate component (5);

the supporting plate assembly (5) comprises a supporting plate (501), a pearl cotton support (502), a first groove (503), a second groove (504), a screw rod (505), a pressing plate (506) and a knob (507);

the utility model discloses a detection device for the internal side of a screw rod, including layer board (501), check body (3), the inner wall that layer board (501) is located between two square (404), layer board (501) and square (404) are fixed continuous, the upper surface rigid coupling of layer board (501) has the cotton support of pearl (502), the cotton inner wall that holds in the palm of pearl (502) offsets tightly with the outer wall bottom of examining and determine main part (3), the cotton inner wall left and right sides that holds in the palm of pearl has first recess (503) all seted up, second recess (504) have all been seted up to the upper surface left and right sides of layer board (501), the inside inboard threaded connection of second recess (504) has screw rod (505), the inboard tip rigid coupling of screw rod (505) has clamp plate (506), clamp plate (506) offset tightly with examination main part (3), the outside tip rigid.

5. An insulation resistance meter calibrating device according to claim 4, wherein: the inner side surface of the pressing plate (506) is processed with a rubber pad.

6. An insulation resistance meter calibrating device according to claim 4, wherein: the outer wall of the knob (507) is processed with grinding grains.

7. An insulation resistance meter calibrating device according to claim 4, wherein: the inner side surface of the pearl cotton support (502) is matched with the contact surface of the verification main body (3).

8. An insulation resistance meter calibrating device according to claim 1, wherein: the upper surface of the box cover (2) is provided with an auxiliary part (6);

the auxiliary part (6) comprises a strap (601), a handle (602), a sponge block (603) and a buckle (604);

two buckle (604) are installed respectively in the upper surface left and right sides of case lid (2), two install braces (601) between the top of buckle (604), handle (602) rigid coupling is at the upper surface center of case lid (2), and is a plurality of the equal rigid coupling of sponge piece (603) is at the lower surface of case lid (2), the bottom of sponge piece (603) offsets tightly with the top of examining main part (3).

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