CN213934180U

CN213934180U - Portable voltmeter calibrating device

Info

Publication number: CN213934180U
Application number: CN202023105176.3U
Authority: CN
Inventors: 周斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-10
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a portable voltmeter calibrating installation, the power distribution box comprises a box body, the up end of box articulates there is sealed lid, the internally mounted of box has the movable plate, four equal fixed mounting of extreme angle department of terminal surface have an ear seat under the movable plate, the low side swing joint of an ear seat has a bracing piece No. one, the inside axle center position department swing joint of bracing piece has the bracing piece No. two, the low side swing joint of bracing piece No. two has No. two ear seats, the fixed block that is located the box inner wall is installed to one side of bracing piece, one side fixed mounting of fixed block has the slide, the threaded rod is installed to the top of slide, the setting element that is located the inside of bracing piece is installed in the outside of threaded rod, one side fixed mounting of movable plate up end has square. This portable voltmeter calibrating installation, convenient to use can play the guard action to the examination instrument body, has improved the device's life, is convenient for take examination instrument body simultaneously.

Description

Portable voltmeter calibrating device

Technical Field

The utility model relates to a voltmeter calibrating installation technical field specifically is a portable voltmeter calibrating installation.

Background

The voltmeter is an instrument for measuring voltage, and is composed of a permanent magnet, a coil and the like, the voltmeter is a relatively large resistor and is ideally considered to be an open circuit, the measuring ranges of the voltmeter commonly used in a laboratory are 0-3V and 0-15V, and the existing portable voltmeter calibrating device has the problems that the calibrating instrument is not convenient to take and use.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a portable voltmeter calibrating installation has solved current portable voltmeter calibrating installation and has had the problem of being not convenient for take the examination instrument, be not convenient for use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a portable voltmeter calibrating device comprises a box body, wherein the upper end face of the box body is hinged with a sealing cover, a movable plate is arranged inside the box body, four end corners of the lower end face of the movable plate are fixedly provided with a first ear seat, the low end of the first ear seat is movably connected with a first supporting rod, the axle center position inside the first supporting rod is movably connected with a second supporting rod, the low end of the second supporting rod is movably connected with a second ear seat, one side of the first supporting rod is provided with a fixed block positioned on the inner wall of the box body, one side of the fixed block is fixedly provided with a slide way, a threaded rod is arranged above the slide way, the outer side of the threaded rod is provided with a positioning piece positioned inside the first supporting rod, one side of the upper end face of the movable plate is fixedly provided with a square block, one side of the square block is provided with a disc, and one side of the disc is movably connected with a connecting rod, one end of the connecting rod is movably connected with a connecting block, the other side of the connecting block is movably connected with two connecting blocks, a first rack located on the upper end face of the moving plate is installed on the lower end faces of the two connecting blocks, a second rack is installed on the upper ends of the two connecting blocks, a square connecting plate is fixedly installed on the upper end face of the second rack, and a calibrating instrument body is installed on the upper end face of the square connecting plate; the first ear seat and the moving plate are of an integrated structure, the first supporting rod is connected with the first ear seat through a short shaft, the second supporting rod is connected with the first supporting rod through a short shaft, the second supporting rod is connected with the second ear seat through a short shaft, and the second ear seat is connected with the inner wall of the box body through a screw; the fixed block and the box body are of an integrated structure, the fixed block is connected with the box body through a screw, the fixed block and the slide way are of an integrated structure, the slide way is connected with the fixed block through a screw, a stepping motor is fixedly arranged in the fixed block, and the stepping motor is connected with the threaded rod through a coupler; the utility model discloses a support bar, including setting element, bracing piece, threaded rod, setting element, the inside of setting element and bracing piece passes through bolted connection, the last side and the threaded rod of setting element pass through threaded connection, the lower side and the slide of setting element pass through the columnar order groove connection.

Preferably, square piece and movable plate structure as an organic whole, square piece and movable plate pass through bolted connection, the inside fixed mounting of square piece has step motor, and step motor passes through the coupling joint with the disc, the disc passes through the minor axis with the connecting rod and is connected, the connecting rod passes through the minor axis with the connecting block and is connected.

Preferably, the connecting block is connected with the gear through a short shaft, the gear is meshed with a first rack, the first rack and the moving plate are of an integrated structure, and the gear is meshed with a second rack.

Preferably, examination instrument body and square connecting plate structure as an organic whole, examination instrument body passes through the joint with square connecting plate and is connected, square connecting plate and No. two rack structure as an organic whole, square connecting plate passes through bolted connection with No. two racks.

(III) advantageous effects

The utility model provides a portable voltmeter calibrating installation. The method has the following beneficial effects:

(1) this portable voltmeter calibrating installation through the cooperation of box and sealed lid, can play the guard action to examining and determine the instrument body, is convenient for examine and determine carrying of instrument body, and the removal that can drive the setting element through the rotation of threaded rod, the removal of setting element can drive the rotation of a bracing piece and No. two bracing pieces, can play the supporting role to the movable plate through the effect of a bracing piece, is convenient for adjust the height of movable plate as required, the operator's of being convenient for use.

(2) This portable voltmeter calibrating installation can drive the rotation of connecting rod through the rotation of disc, and then can drive the removal of connecting block and gear, can make the gear rotatory at the removal in-process through the effect of a rack, and then make the removal of No. two racks, square connecting plate and examination instrument body, and convenient to use person takes examination instrument body.

Drawings

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

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

FIG. 3 is a schematic view of the connection structure between the positioning member and the threaded rod of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a sealing cover; 3. moving the plate; 4. a first ear mount; 5. a first support rod; 6. a second support rod; 7. a second ear mount; 8. a fixed block; 9. a slideway; 10. a threaded rod; 11. a positioning member; 12. a square block; 13. a disc; 14. a connecting rod; 15. connecting blocks; 16. a gear; 17. a first rack; 18. a second rack; 19. a square connecting plate; 20. and (5) verifying the instrument body.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a portable voltmeter calibrating device comprises a box body 1, a sealing cover 2, a moving plate 3, a first lug seat 4, a first support rod 5, a second support rod 6, a second lug seat 7, a fixed block 8, a slide way 9, a threaded rod 10, a positioning piece 11, a square block 12, a disc 13, a connecting rod 14, a connecting block 15, a gear 16, a first rack 17, a second rack 18, a square connecting plate 19 and a calibrating instrument body 20, wherein the upper end surface of the box body 1 is hinged with the sealing cover 2, the moving plate 3 is installed inside the box body 1, the first lug seat 4 is fixedly installed at four end angles of the lower end surface of the moving plate 3, the lower end of the first lug seat 4 is movably connected with the first support rod 5, the second support rod 6 is movably connected at the axis position inside the first support rod 5, the first support rod 5 can be limited by the action of the second support rod 6, the lower end of the second support rod 6 is movably connected with the second lug seat 7, a fixed block 8 positioned on the inner wall of the box body 1 is arranged on one side of a first supporting rod 5, a slide 9 is fixedly arranged on one side of the fixed block 8, a threaded rod 10 is arranged above the slide 9, a positioning part 11 positioned in the first supporting rod 5 is arranged on the outer side of the threaded rod 10, a square block 12 is fixedly arranged on one side of the upper end surface of the moving plate 3, a disc 13 is arranged on one side of the square block 12, a connecting rod 14 is movably connected to one side of the disc 13, a connecting block 15 is movably connected to one end of the connecting rod 14, two connecting blocks 15 are movably connected to the other side of the connecting block 15, a first rack 17 positioned on the upper end surface of the moving plate 3 is arranged on the lower end surface of the two connecting blocks 15, the gear 16 can be driven to move by the movement of the connecting block 15, the gear 16 can move in the moving process under the action of the first rack 17, a second rack 18 is arranged on the upper ends of the two connecting blocks 15, a square connecting plate 19 is fixedly arranged on the upper end face of the second rack 18, and a calibrating instrument body 20 is arranged on the upper end face of the square connecting plate 19; the first ear seat 4 and the moving plate 3 are of an integrated structure, the first support rod 5 is connected with the first ear seat 4 through a short shaft, the second support rod 6 is connected with the first support rod 5 through a short shaft, the second support rod 6 is connected with the second ear seat 7 through a short shaft, the second ear seat 7 is connected with the inner wall of the box body 1 through a screw, and the rotation of the first support rod 5 can be limited through the action of the second support rod 6; the fixed block 8 and the box body 1 are of an integrated structure, the fixed block 8 is connected with the box body 1 through a screw, the fixed block 8 and the slide 9 are of an integrated structure, the slide 9 is connected with the fixed block 8 through a screw, a stepping motor is fixedly arranged in the fixed block 8 and is connected with the threaded rod 10 through a coupler, and the threaded rod 10 can be driven to rotate under the action of the stepping motor; the locating piece 11 passes through the screw connection with the inside of a bracing piece 5, and the last side of locating piece 11 passes through threaded connection with threaded rod 10, and the lower side of locating piece 11 with slip 9 through the columnar order groove connection, through the effect of screw thread, the rotation of threaded rod 10 can drive the rotation of a bracing piece 5.

Square block 12 and movable plate 3 are the integral structure, and square block 12 passes through bolted connection with movable plate 3, and the inside fixed mounting of square block 12 has step motor, and step motor passes through the coupling joint with disc 13, and disc 13 passes through the minor axis with connecting rod 14 to be connected, and connecting rod 14 passes through the minor axis with connecting block 15 to be connected, can drive the rotation of disc 13 through step motor's effect, and then can drive the rotation of connecting rod 14.

The connecting block 15 is connected with the gear 16 through a short shaft, the gear 16 is meshed with the first rack 17, the first rack 17 and the moving plate 3 are of an integrated structure, the gear 16 is meshed with the second rack 18, the gear 16 can be driven to move through the movement of the connecting block 15, and the gear 16 moves in the moving process through the action of the first rack 17.

The calibrating instrument body 20 and the square connecting plate 19 are of an integrated structure, the calibrating instrument body 20 and the square connecting plate 19 are connected in a clamping mode, the square connecting plate 19 and the second rack 18 are of an integrated structure, the square connecting plate 19 and the second rack 18 are connected through screws, and the second rack 18, the square connecting plate 19 and the calibrating instrument body 20 can be driven to move by the movement of the second rack 18 through the matching of the second rack 18, the square connecting plate 19 and the calibrating instrument body 20.

During the use, the switch on, open the switch, step motor can be opened to the user, effect through step motor can drive the rotation of threaded rod 10, effect through the screw thread, the rotation of threaded rod 10 can drive setting element 11 and move to one side, through the cooperation of slipping 9 and setting element 11, can play limiting displacement to the rotation of bracing piece 5, can play limiting displacement to bracing piece 5 through the effect of No. two bracing pieces 6, can play the supporting role to movable plate 3 through the effect of bracing piece 5, be convenient for adjust the height of movable plate 3.

When the moving plate 3 moves to a higher height, a user can turn on the stepping motor, the disc 13 can be driven to rotate under the action of the stepping motor, the disc 13 can drive the connecting rod 14 to rotate, the connecting block 15 can be driven to move through the rotation of the connecting rod 14, the gear 16 is driven to move through the movement of the connecting block 15, the gear 16 rotates in the moving process due to the fact that the gear 16 is meshed with the first rack 17, the second rack 18 is meshed with the gear 16 and moves towards one side, the square connecting plate 19 and the calibrating instrument body 20 can be driven to move through the movement of the second rack 18, the user can conveniently take and use the calibrating instrument body 20, the using process of the portable voltmeter calibrating device is achieved, and the content which is not described in detail in the specification belongs to the prior art which is known to a person skilled in the art.

In conclusion, the portable voltmeter calibrating device can be used for calibrating the voltage of the voltmeter through the matching of the box body 1 and the sealing cover 2, can protect the calibrating instrument body 20, is convenient for carrying the calibrating instrument body 20, the rotation of the threaded rod 10 can drive the positioning piece 11 to move, the movement of the positioning piece 11 can drive the first supporting rod 5 and the second supporting rod 6 to rotate, the first support rod 5 can support the moving plate 3, so that the height of the moving plate 3 can be adjusted as required, an operator can use the moving plate conveniently, the disc 13 can rotate to drive the connecting rod 14 to rotate, thereby driving the connecting block 15 and the gear 16 to move, the gear 16 can rotate in the moving process through the action of the first rack 17, thereby enabling the second rack 18, the square connecting plate 19 and the calibration instrument body 20 to move, and facilitating the user to take and use the calibration instrument body 20.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a portable voltmeter calibrating installation, includes box (1), its characterized in that: the upper end face of the box body (1) is hinged with a sealing cover (2), a movable plate (3) is mounted inside the box body (1), four end angle positions of the lower end face of the movable plate (3) are fixedly provided with a first ear seat (4), a low end of the first ear seat (4) is movably connected with a first support rod (5), an axis position inside the first support rod (5) is movably connected with a second support rod (6), a low end of the second support rod (6) is movably connected with a second ear seat (7), a fixed block (8) located on the inner wall of the box body (1) is mounted on one side of the first support rod (5), a slide (9) is fixedly mounted on one side of the fixed block (8), a threaded rod (10) is mounted above the slide (9), and a positioning piece (11) located inside the first support rod (5) is mounted outside the threaded rod (10), a square block (12) is fixedly mounted on one side of the upper end face of the moving plate (3), a disc (13) is mounted on one side of the square block (12), a connecting rod (14) is movably connected to one side of the disc (13), a connecting block (15) is movably connected to one end of the connecting rod (14), two connecting blocks (15) are movably connected to the other side of the connecting block (15), a first rack (17) located on the upper end face of the moving plate (3) is mounted on the lower end face of each connecting block (15), a second rack (18) is mounted on the upper end of each connecting block (15), a square connecting plate (19) is fixedly mounted on the upper end face of each second rack (18), and a verification instrument body (20) is mounted on the upper end face of each square connecting plate (19); the first ear seat (4) and the moving plate (3) are of an integrated structure, the first supporting rod (5) is connected with the first ear seat (4) through a short shaft, the second supporting rod (6) is connected with the first supporting rod (5) through a short shaft, the second supporting rod (6) is connected with the second ear seat (7) through a short shaft, and the second ear seat (7) is connected with the inner wall of the box body (1) through a screw; the fixing block (8) and the box body (1) are of an integrated structure, the fixing block (8) is connected with the box body (1) through screws, the fixing block (8) and the slide way (9) are of an integrated structure, the slide way (9) is connected with the fixing block (8) through screws, a stepping motor is fixedly installed inside the fixing block (8), and the stepping motor is connected with the threaded rod (10) through a coupler; the positioning piece (11) is connected with the inside of the first supporting rod (5) through a screw, the upper side edge of the positioning piece (11) is connected with the threaded rod (10) through a thread, and the lower side edge of the positioning piece (11) is connected with the slide way (9) through a cylindrical groove.

2. A portable voltmeter verification device according to claim 1 wherein: square piece (12) and movable plate (3) structure as an organic whole, square piece (12) and movable plate (3) pass through the screw connection, the inside fixed mounting of square piece (12) has step motor, and step motor and disc (13) pass through the coupling joint, disc (13) are connected through the minor axis with connecting rod (14), connecting rod (14) are connected through the minor axis with connecting block (15).

3. A portable voltmeter verification device according to claim 1 wherein: the connecting block (15) is connected with the gear (16) through a short shaft, the gear (16) is meshed with a first rack (17), the first rack (17) and the moving plate (3) are of an integrated structure, and the gear (16) is meshed with a second rack (18).

4. A portable voltmeter verification device according to claim 1 wherein: examine and determine instrument body (20) and square connecting plate (19) as an organic whole structure, examine and determine instrument body (20) and square connecting plate (19) and be connected through the joint, square connecting plate (19) and No. two rack (18) as an organic whole structure, square connecting plate (19) and No. two rack (18) pass through bolted connection.