Non-contact electrostatic voltmeter calibration device

Abstract

The utility model discloses a non-contact static voltmeter calibration device, which comprises a fixed seat, one side of the fixed seat is provided with a storage seat, the storage seat is fixedly connected with symmetrically distributed screw rods close to the fixed seat, when the calibration device is used, a rocking wheel can be rotated to enable a thread bushing to rotate, and the screw rods are connected with the storage seat. Two screw rods are moved through belt wheels and belts, so that a storage seat is moved, the storage seat is separated from storage grooves, a connecting frame is pressed to drive a push rod to move downwards, a second spring deforms, meanwhile, a first spring resets to drive a clamping block to move, the clamping block is separated from one group of clamping grooves located on the upper portion, and the storage seat is separated from the storage grooves; the electrode plate is pulled to extend out of the storage seat, the voltmeter is clamped through the clamping plate in the using process, the position of the electrode plate can be adjusted through the threaded sleeve and the screw rod, and the distance between the electrode plate and the voltmeter can be adjusted and controlled. And then the threaded sleeve enables the storage seat to enter the storage groove, so that storage can be completed, and storage is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrostatic voltmeter calibration field especially relates to non -contact electrostatic voltmeter calibration device. BACKGROUND

[0002] Electrostatic voltmeter is generally divided into contact type and non -contact type two types, wherein non -contact electrostatic voltmeter is more commonly used, and it can measure the surface voltage and electric field value by using electric field induction principle without contacting the measured surface.

[0003] The present application is improved on the basis of prior art, in prior art, the overall volume of the existing calibration device is large, and it is inconvenient to store when not in use, and the electrode plate is still exposed outside when not in use, which is easy to damage. UTILITY MODEL CONTENTS

[0004] The utility model discloses a non -contact electrostatic voltmeter calibration device to solve the shortcomings in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Non -contact electrostatic voltmeter calibration device, including the fixed base, the one side of fixed base is equipped with the storage seat, the fixed connection of storage seat near fixed base is equipped with the symmetrical distribution screw rod, the symmetrical distribution screw thread cover is rotationally connected in the fixed base, and the inner wall of screw thread cover is connected with screw rod, the one side of fixed base near storage seat is equipped with the storage groove, and the storage groove is adapted to storage seat, the electrode plate is slidably connected in the storage seat, the both sides of electrode plate are equipped with the symmetrical distribution clamping groove, the top of storage seat is slidably connected with the symmetrical distribution clamping block, and clamping block is adapted to clamping groove, the top of clamping block is fixedly connected with the connecting block slidably connected with storage seat, and the one side of two groups of clamping blocks close to each other is fixedly connected with first spring, and the other end of first spring is fixedly connected with storage seat.

[0007] As a further scheme of the utility model: the one side of two clamping blocks away from each other is abutted with push rod, and push rod is slidably connected with storage seat, the bottom of push rod is fixedly connected with second spring, and the other end of second spring is fixedly connected with storage seat, the top of storage seat is equipped with the connecting frame, and connecting frame is fixedly connected with push rod.

[0008] As a further scheme of the utility model: the symmetrical distribution sliding slot is seted up in the storage seat, and the both sides of electrode plate are fixedly connected with movable block, and movable block is slidably connected with the inner wall of sliding slot.

[0009] As a further scheme of the utility model: the top of the fixed seat is fixedly connected with a mounting seat, the top of the mounting seat is slidably connected with a movable seat, the bottom of the movable seat is fixedly connected with a sliding block, and the sliding block is slidably connected with the mounting seat, and the inner wall of the sliding block is threadedly connected with a lead screw rotatably connected with the mounting seat.

[0010] As a further scheme of the utility model: the top of the movable seat is slidably connected with symmetrically distributed clamping plates, the bottom of the clamping plate is fixedly connected with a threaded block slidably connected with the movable seat, the inner wall of the movable seat is rotatably connected with a bidirectional screw rod, and the outer wall of the bidirectional screw rod is threadedly connected with the threaded block.

[0011] As a further scheme of the utility model: the end of the threaded sleeve extending out of the fixed seat is fixedly connected with a rocking wheel, the outer wall of the threaded sleeve is fixedly sleeved with a belt wheel, and the two belt wheels are connected through a belt.

[0012] The utility model has the advantages of the following:

[0013] In the utility model, when in use, the threaded sleeve is rotated by rotating the rocking wheel, the two lead screws are moved through the belt wheel and the belt, and the storage seat is moved, so that the storage seat is separated from the storage groove, the connecting frame is pressed to drive the push rod to move downward, the second spring is deformed, the first spring is reset to drive the clamping block to move, the clamping block is separated from the group of clamping grooves above, the electrode plate is pulled out of the storage seat, when the group of clamping grooves below and the clamping block are on the same straight line, the connecting frame is loosened, the second spring is reset, the push rod moves upward to press the clamping block into the clamping groove to fix the electrode plate, and the voltmeter is clamped by the clamping plate during use. ACCURATE DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model discloses a non-contact electrostatic voltmeter calibration device's structural schematic diagram is provided;

[0015] Figure 2 The utility model discloses a non-contact electrostatic voltmeter calibration device's electrode plate installation schematic drawing is provided;

[0016] Figure 3 The utility model discloses a non-contact electrostatic voltmeter calibration device's clamping plate installation schematic drawing is provided;

[0017] Figure 4 The utility model discloses a non-contact electrostatic voltmeter calibration device's clamping plate installation schematic drawing is provided; Figure 2 The utility model discloses a non-contact electrostatic voltmeter calibration device's clamping plate installation schematic drawing is provided;

[0018] Legend:

[0019] Fixed seat 1, threaded sleeve 2, pulley 3, screw 4, storage seat 5, electrode plate 6, clamping groove 7, storage groove 8, mounting seat 9, sliding block 10, screw rod 11, movable seat 12, clamping plate 13, sliding groove 14, movable block 15, clamping block 16, first spring 17, connecting block 18, push rod 19, second spring 20, connecting frame 21, bidirectional screw 22, threaded block 23. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Reference Figures 1-4The utility model provides a non -contact type electrostatic voltmeter calibration device, including fixed base 1, one side of fixed base 1 is equipped with the storage seat 5, the fixed connection of storage seat 5 close to fixed base 1 has the screw rod 4 of symmetrical distribution, the screw thread cover 2 of symmetrical distribution is rotatably connected in fixed base 1, and the inner wall of screw thread cover 2 is connected in screw with screw rod 4, the one side of fixed base 1 close to storage seat 5 is equipped with the storage groove 8, and the storage groove 8 is adapted with storage seat 5, the sliding connection of electrode plate 6 is equipped in storage seat 5, the both sides of electrode plate 6 are equipped with the clamping groove 7 of symmetrical distribution, the sliding connection of the clamping block 16 of symmetrical distribution is equipped in the top of storage seat 5, and clamping block 16 is adapted with clamping groove 7, the fixed connection of the connecting block 18 of sliding connection with storage seat 5 is equipped in the top of clamping block 16, and the fixed connection of first spring 17 is equipped in the side of mutual approach of two groups of clamping block 16, and the other end of first spring 17 is fixedly connected with storage seat 5.

[0023] The side of mutual departure of two clamping blocks 16 is abutted with push rod 19, and push rod 19 is slidably connected with storage seat 5, the fixed connection of second spring 20 is equipped in the bottom of push rod 19, and the other end of second spring 20 is fixedly connected with storage seat 5, and the fixed connection of connecting frame 21 is equipped above storage seat 5, and connecting frame 21 is fixedly connected with push rod 19.

[0024] The sliding groove 14 of symmetrical distribution is equipped in storage seat 5, and the fixed connection of movable block 15 is equipped in the both sides of electrode plate 6, and movable block 15 is slidably connected with the inner wall of sliding groove 14.

[0025] The fixed connection of mounting seat 9 is equipped in the top of fixed base 1, the sliding connection of movable seat 12 is equipped in the top of mounting seat 9, the fixed connection of sliding block 10 is equipped in the bottom of movable seat 12, and sliding block 10 is slidably connected with mounting seat 9, and the fixed connection of screw rod 11 of rotation connection with mounting seat 9 is equipped in the inner wall of sliding block 10.

[0026] The sliding connection of clamping plate 13 of symmetrical distribution is equipped in the top of movable seat 12, the fixed connection of screw block 23 of sliding connection with movable seat 12 is equipped in the bottom of clamping plate 13, and the rotation connection of bidirectional screw rod 22 is equipped in the inner wall of movable seat 12, and the outer wall of bidirectional screw rod 22 is connected in screw with screw block 23.

[0027] The fixed connection of rocking wheel is equipped in the end of screw thread cover 2 that stretches out fixed base 1, and the fixed sleeve of belt pulley 3 is equipped in the outer wall of screw thread cover 2, and the connection of belt is between two belt pulleys 3.

[0028] Working principle:

[0029] In the application, when in use, the knob can be rotated to rotate the threaded sleeve 2, the two screw rods 4 are moved through the belt wheel 3 and the belt, and the receiving seat 5 is moved to make the receiving seat 5 disengage from the receiving groove 8, the connecting frame 21 is pressed to make the connecting frame 21 drive the push rod 19 to move downward, the second spring 20 is deformed, the first spring 17 is reset to drive the clamping block 16 to move, the clamping block 16 is disengaged from the group of clamping grooves 7 above, the electrode plate 6 is pulled to extend out of the receiving seat 5, when the group of clamping grooves 7 below is in the same straight line with the clamping block 16, the connecting frame 21 is released, the second spring 20 is reset to make the push rod 19 move upward to press the clamping block 16 into the clamping groove 7 to fix the electrode plate 6, the voltmeter is clamped by the clamping plate 13 in the use process, the threaded sleeve 2 and the screw rod 4 can also adjust the position of the electrode plate 6 to control the distance between the electrode plate and the voltmeter, when in storage, the electrode plate 6 is received into the receiving seat 5 through the connecting frame 21, then the threaded sleeve 2 makes the receiving seat 5 enter the receiving groove 8 to complete the storage, and the storage is convenient.

[0030] Among them, the number of threaded sleeves 2, belt wheels 3, screw rods 4 and knobs is two, the outer threads of the two screw rods 4 are in the same direction, and only one threaded sleeve 2, belt wheel 3, screw rod 4 and knob are shown in the figure.

[0031] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. Non-contact electrostatic voltmeter calibration device comprising a fixed base (1), characterized in that: The side of the fixed seat (1) is provided with a receiving seat (5), the receiving seat (5) is fixedly connected with symmetrically distributed screw rods (4) close to the fixed seat (1), the fixed seat (1) is rotatably connected with symmetrically distributed threaded sleeves (2) in the fixed seat (1), and the inner wall of the threaded sleeve (2) is threadedly connected with the screw rod (4), the fixed seat (1) is provided with a receiving groove (8) close to the side of the receiving seat (5), and the receiving groove (8) is matched with the receiving seat (5), the receiving seat (5) is slidably connected with an electrode plate (6), symmetrically distributed clamping grooves (7) are formed in the two sides of the electrode plate (6), the top of the clamping block (16) is slidably connected with the connecting block (18) matched with the receiving seat (5), the two groups of clamping blocks (16) are fixedly connected with first springs (17) on the sides close to each other, and the other end of the first spring (17) is fixedly connected with the receiving seat (5).

2. The non-contact electrostatic voltmeter calibration device of claim 1, wherein: The two sides of the clamping block (16) away from each other are abutted with push rods (19), and the push rod (19) is slidably connected with the receiving seat (5), the bottom of the push rod (19) is fixedly connected with a second spring (20), and the other end of the second spring (20) is fixedly connected with the receiving seat (5), the receiving seat (5) is provided with a connecting frame (21) above, and the connecting frame (21) is fixedly connected with the push rod (19).

3. The non-contact electrostatic voltmeter calibration device of claim 1, wherein: The receiving seat (5) is provided with symmetrically distributed sliding grooves (14), the two sides of the electrode plate (6) are fixedly connected with movable blocks (15), and the movable blocks (15) are slidably connected with the inner walls of the sliding grooves (14).

4. The non-contact electrostatic voltmeter calibration device of claim 1, wherein: The top of the fixed seat (1) is fixedly connected with a mounting seat (9), the top of the mounting seat (9) is slidably connected with a movable seat (12), the bottom of the movable seat (12) is fixedly connected with a sliding block (10), and the sliding block (10) is slidably connected with the mounting seat (9), the inner wall of the sliding block (10) is threadedly connected with a lead screw (11) rotatably connected with the mounting seat (9).

5. The non-contact electrostatic voltmeter calibration device of claim 4, wherein: The top of the movable seat (12) is slidably connected with symmetrically distributed clamping plates (13), the bottom of the clamping plate (13) is fixedly connected with a threaded block (23) slidably connected with the movable seat (12), and the outer wall of the bidirectional screw rod (22) is threadedly connected with the threaded block (23).

6. The non-contact electrostatic voltmeter calibration device of claim 1, wherein: The end of the threaded sleeve (2) extending out of the fixed seat (1) is fixedly connected with a rocking wheel, the outer wall of the threaded sleeve (2) is fixedly sleeved with a belt pulley (3), and the two belt pulleys (3) are connected through a belt.

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