Table type magnetic field measuring instrument

Abstract

The utility model relates to the technical field of magnetic field measuring instruments, and discloses a table type magnetic field measuring instrument which comprises a magnetic field measuring instrument main body, the top of the magnetic field measuring instrument main body is fixedly connected with a measuring head, the magnetic field measuring instrument main body is provided with a convenient operation mechanism, and the measuring head is provided with an anti-interference mechanism. The anti-interference mechanism comprises a connecting frame, a circular base is fixedly installed on the right side of the connecting frame, and a supporting frame is fixedly installed on the back face of the circular base. According to the utility model, through the overall design of the anti-interference mechanism, the arc-shaped cover can be driven to move before magnetic field measurement of a product, so that the arc-shaped cover drives the aluminum arc-shaped plate and the copper fiber layer to cover the outer surface of the product to be measured, and the function of shielding electromagnetic waves in the external environment is realized; the interference of the external environment on product magnetic field measurement is reduced, the accuracy of magnetic field measurement reading is guaranteed, and the accuracy of product quality control by an operator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic field measuring instrument, specifically, and relates to a table type magnetic field measuring instrument. BACKGROUND

[0002] The working principle of the table type magnetic field measuring instrument is mainly based on the principle of electronic integrator, and the inductive magnetic flux value of various permanent magnets is measured through different inductive coils. This instrument not only can measure the magnetic flux value, but also can directly detect the magnetic properties of the magnetic product in the working state, so as to realize the control of the product quality.

[0003] The existing table type magnetic field measuring instrument does not have the anti-interference measurement function. In the process of running, the electromagnetic waves inside the external environment can easily interfere with the stability of the product magnetic field measurement, and further cause the reading to have a large deviation, which affects the accuracy of the operator's quality control. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a table type magnetic field measuring instrument, which solves the problem that the electromagnetic waves inside the external environment easily interfere with the stability of the product magnetic field measurement.

[0005] The utility model provides the following technical scheme: a table type magnetic field measuring instrument, which comprises a magnetic field measuring instrument main body, a measuring head is fixedly connected to the top of the magnetic field measuring instrument main body, a convenient operation mechanism is arranged on the magnetic field measuring instrument main body, and an anti-interference mechanism is arranged on the measuring head.

[0006] The anti-interference mechanism comprises a connecting frame, a circular base is fixedly installed on the right side of the connecting frame, a supporting frame is fixedly installed on the back of the circular base, a circular top base is fixedly installed on the end away from the circular base of the supporting frame, the measuring head is fixedly installed on the top of the circular top base, the measuring end of the measuring head extends to the bottom of the circular top base, a first rotating part is rotatably connected to the bottom of the inner wall of the supporting frame, a second rotating part is rotatably connected to the top of the inner wall of the supporting frame, arc-shaped covers are fixedly installed on the outer walls of the first rotating part and the second rotating part, an aluminum arc-shaped plate is fixedly connected to the inner wall of the arc-shaped cover, and a copper fiber layer is fixedly connected to the inner wall of the aluminum arc-shaped plate.

[0007] As a preferred embodiment of the above technical scheme, a stepping motor is fixedly installed on the top of the supporting frame, the output shaft of the stepping motor is fixedly connected to the top of the second rotating part, a first gear is fixedly connected to the bottom of the second rotating part, and a fourth gear is fixedly connected to the top of the first rotating part.

[0008] As the preferred technical scheme of the above, the bottom of the inner wall of the support frame is rotationally connected with a second gear, the outer wall of the second gear is engaged with the outer wall of the first gear, the bottom of the inner wall of the support frame is rotationally connected with a third gear, the outer wall of the third gear is engaged with the outer wall of the second gear, and the outer wall of the third gear is engaged with the outer wall of a fourth gear.

[0009] As the preferred technical scheme of the above, the top of the circular base is fixedly installed with a corner limiting block, a positioning frame is movably inserted into the inner wall of the corner limiting block, and a positioning groove is formed in the top of the positioning frame.

[0010] As the preferred technical scheme of the above, the top of the circular base is fixedly installed with a convex frame, the inner wall of the convex frame is fixedly installed with an elastic plastic piece, and the outer wall of the elastic plastic piece is movably connected with the outer wall of the positioning frame.

[0011] As the preferred technical scheme of the above, the convenient operation mechanism comprises a counterweight base, the outer wall of the counterweight base is fixedly installed with a support leg, and the connecting frame is fixedly installed on the right side of the counterweight base.

[0012] As the preferred technical scheme of the above, the top of the counterweight base is fixedly installed with a vertical side plate, and the outer wall of the vertical side plate is detachably connected with a height adjusting plate.

[0013] As the preferred technical scheme of the above, the side of the height adjusting plate is screw-connected with a first locking bolt, and the threaded end of the first locking bolt is movably connected with the side of the vertical side plate.

[0014] As the preferred technical scheme of the above, the top of the height adjusting plate is fixedly installed with a vertical support seat, the inner wall of the vertical support seat is rotationally connected with an adjusting swivel ring, the inner wall of the adjusting swivel ring is fixedly installed with a reinforcing piece, the end of the adjusting swivel ring is fixedly installed with a connecting circular plate, and the side of the connecting circular plate is detachably connected with the main body of the magnetic field measuring instrument.

[0015] As the preferred technical scheme of the above, the top of the vertical support seat is screw-connected with a second locking bolt, and the threaded end of the second locking bolt is movably connected with the outer wall of the adjusting swivel ring.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The utility model discloses a whole design through anti -interference mechanism, can drive arc cover to move before product magnetic field measurement, make arc cover drive aluminium arc plate and copper quality fibre layer cover on the outer surface of the product of being measured, realize the function of shielding electromagnetic wave of external environment inside, reduce the interference of external environment to product magnetic field measurement, guarantee the accuracy of magnetic field measurement reading, increase the accuracy of operator's product quality control, again through the whole design of convenient operation mechanism, the operator can adjust the elevation angle and height of magnetic field measuring instrument main part, be convenient for using magnetic field measuring instrument main part, and can improve the efficiency of product magnetic field measurement further. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective drawing of the utility model;

[0019] Figure 2 It is the structural schematic diagram of support frame of the utility model;

[0020] Figure 3 It is the structural schematic diagram of aluminium arc plate and copper quality fibre layer of the utility model;

[0021] Figure 4 It is the structural schematic diagram of circular base of the utility model;

[0022] Figure 5 It is the structural schematic diagram of positioning frame of the utility model;

[0023] Figure 6 It is the structural schematic diagram of height adjusting plate of the utility model;

[0024] Figure 7 It is the structural schematic diagram of vertical support seat of the utility model.

[0025] In the drawing: 1, magnetic field measuring instrument main part;11, measuring head;2, convenient operation mechanism;21, counterweight base;22, support leg;23, vertical side plate;24, height adjusting plate;25, no. 1 locking bolt;26, vertical support seat;261, adjusting swivel ring;262, connecting round plate;263, reinforcing part;264, no. 2 locking bolt;3, anti -interference mechanism;31, connecting frame;32, circular base;33, support frame;34, circular top seat;35, no. 1 rotating part;36, no. 2 rotating part;37, step motor;371, first gear;372, second gear;373, third gear;374, fourth gear;38, arc cover;381, aluminium arc plate;382, copper quality fibre layer;39, corner limit block;391, positioning frame;392, positioning groove;393, convex frame;394, elastic plastic part. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0027] As Figures 1-7 The utility model provides a kind of technical scheme: a desktop magnetic field measuring instrument, including magnetic field measuring instrument main body 1, the top of magnetic field measuring instrument main body 1 is fixedly connected with measuring head 11, and the upper portion of magnetic field measuring instrument main body 1 is provided with convenient operation mechanism 2, and the upper portion of measuring head 11 is provided with anti-interference mechanism 3, and anti-interference mechanism 3 includes connecting frame 31, and the right side of connecting frame 31 is fixedly installed with circular base 32, and the back of circular base 32 is fixedly installed with support frame 33, and the end of support frame 33 away from circular base 32 is fixedly installed with circular top 34, and measuring head 11 is fixedly installed at the top of circular top 34, and the measurement end of measuring head 11 extends to the bottom of circular top 34, and the bottom of support frame 33 inner wall is rotatably connected with No. Rotating piece 35, and the top of support frame 33 inner wall is rotatably connected with No. Rotating piece 36, and the outer wall of No. Rotating piece 35, No. Rotating piece 36 is all fixedly installed with arc cover 38, and the inner wall of arc cover 38 is fixedly connected with aluminium arc plate 381, and the inner wall of aluminium arc plate 381 is fixedly connected with copper fiber layer 382, by the design of aluminium arc plate 381 and copper fiber layer 382, it can be moved with arc cover 38 to cover on the outer surface of the product to be measured, realize the function of shielding electromagnetic wave in external environment, reduce the interference of external environment to product magnetic field measurement, guarantee the accuracy of magnetic field measurement reading, increase the accuracy of operator's product quality control, by the design of No. Rotating piece 35, so that arc cover 38 is rotatably connected in the inside of support frame 33, it is convenient to open and close arc cover 38.

[0028] As a kind of implementation in this embodiment, as Figures 1-5As shown, a stepper motor 37 is fixedly mounted on the top of the support frame 33. The output shaft of the stepper motor 37 is fixedly connected to the top of the second rotating component 36. A first gear 371 is fixedly connected to the bottom of the second rotating component 36. A fourth gear 374 is fixedly connected to the top of the first rotating component 35. A second gear 372 is rotatably connected to the bottom of the inner wall of the support frame 33. The outer wall of the second gear 372 meshes with the outer wall of the first gear 371. A third gear 373 is rotatably connected to the bottom of the inner wall of the support frame 33. The outer wall of the third gear 373 meshes with the outer wall of the second gear 372. The outer wall of the third gear 373 meshes with the outer wall of the fourth gear 374. A corner limiting block 39 is fixedly mounted on the top of the circular base 32. A positioning frame 391 is movably inserted into the inner wall of the corner limiting block 39. A positioning groove 392 is opened on the top of the positioning frame 391. A protruding frame 39 is fixedly mounted on the top of the circular base 32. 3. An elastic plastic part 394 is fixedly installed on the inner wall of the raised frame 393. The outer wall of the elastic plastic part 394 is movably connected to the outer wall of the positioning frame 391. The stepper motor 37 is controlled to work, which can drive the second rotating part 36 to rotate. Through the transmission of the first gear 371, the second gear 372, the third gear 373 and the fourth gear 374, the first rotating part 35 is driven to rotate in the opposite direction to the second rotating part 36. This enables the synchronous opening or closing of the two arc-shaped covers 38, which is convenient for users to use. The product is inserted into the positioning groove 392, and the magnetic field of the product can be measured by the measuring head 11. The corner limiting block 39 is used to limit the positioning frame 391. The elasticity of the elastic plastic part 394 can elastically clamp the positioning frame 391. With this design, the user can replace the positioning frame 391 with different specifications of positioning groove 392 to suit different specifications of products.

[0029] As one implementation method in this embodiment, such as Figure 1 , Figure 6 , Figure 7As shown, the convenient operating mechanism 2 includes a counterweight base 21, with support legs 22 fixedly installed on the outer wall of the counterweight base 21. A connecting frame 31 is fixedly installed on the right side of the counterweight base 21. A vertical side plate 23 is fixedly installed on the top of the counterweight base 21. A height adjustment plate 24 is detachably connected to the outer wall of the vertical side plate 23. A locking bolt 25 is threadedly connected to the side of the height adjustment plate 24. The threaded end of the locking bolt 25 is movably connected to the side of the vertical side plate 23. A vertical support seat 26 is fixedly installed on the top of the height adjustment plate 24. An adjusting ring 261 is rotatably connected to the inner wall of the vertical support seat 26. A reinforcing member 263 is fixedly installed on the inner wall of the adjusting ring 261. A connecting circular plate 262 is fixedly installed at the end of the adjusting ring 261. The magnetic field measuring instrument body 1 is detachably connected to the side of the connecting circular plate 262. The top of 26 is threaded with a second locking bolt 264. The threaded end of the second locking bolt 264 is movably connected to the outer wall of the adjusting ring 261. Loosening the first locking bolt 25 allows the height adjustment plate 24 to slide on the outer wall of the vertical side plate 23, thereby adjusting the height of the magnetic field measuring instrument body 1. After adjustment, tightening the first locking bolt 25 locks the height of the magnetic field measuring instrument body 1. Loosening the second locking bolt 264 allows the adjusting ring 261 to rotate on the inner wall of the vertical support 26, thereby adjusting the elevation angle of the magnetic field measuring instrument body 1. Tightening the second locking bolt 264 locks the elevation angle of the magnetic field measuring instrument body 1. The design of the reinforcement 263 enhances the strength of the adjusting ring 261, and the design of the support leg 22 enhances the stability of the counterweight base 21.

[0030] Working principle: Before use, when adjusting the main body 1 of the magnetic field measuring instrument, loosen the first locking bolt 25, and then slide the height adjustment plate 24 on the outer wall of the vertical side plate 23 to adjust the height of the main body 1 of the magnetic field measuring instrument. After adjustment, tighten the first locking bolt 25 and loosen the second locking bolt 264, and then rotate the adjustment ring 261 on the inner wall of the vertical support 26 to adjust the elevation angle of the main body 1 of the magnetic field measuring instrument. Then tighten the second locking bolt 264. When in use, control the stepper motor 37 to drive the two arc-shaped covers 38 to open synchronously, and then insert the product into the positioning slot 392. Then control the stepper motor 37 to drive the two arc-shaped covers 38 to close synchronously. Then the magnetic field of the product can be measured by controlling the measuring head 11 through the main body 1 of the magnetic field measuring instrument.

[0031] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A benchtop magnetic field measuring instrument, comprising a main body (1) of the magnetic field measuring instrument, wherein a measuring head (11) is fixedly connected to the top of the main body (1), characterized in that: The main body (1) of the magnetic field measuring instrument is provided with a convenient operation mechanism (2), and the measuring head (11) is provided with an anti-interference mechanism (3). The anti-interference mechanism (3) includes a connecting frame (31), a circular base (32) is fixedly installed on the right side of the connecting frame (31), a support frame (33) is fixedly installed on the back of the circular base (32), a circular top seat (34) is fixedly installed at the end of the support frame (33) away from the circular base (32), the measuring head (11) is fixedly installed on the top of the circular top seat (34), and the measuring end of the measuring head (11) extends to the bottom of the circular top seat (34). The bottom of the inner wall of the support frame (33) is rotatably connected to a first rotating component (35), and the top of the inner wall of the support frame (33) is rotatably connected to a second rotating component (36). An arc-shaped cover (38) is fixedly installed on the outer wall of both the first rotating component (35) and the second rotating component (36). An aluminum arc plate (381) is fixedly connected to the inner wall of the arc-shaped cover (38), and a copper fiber layer (382) is fixedly connected to the inner wall of the aluminum arc plate (381).

2. The benchtop magnetic field measuring instrument according to claim 1, characterized in that: A stepper motor (37) is fixedly installed on the top of the support frame (33). The output shaft of the stepper motor (37) is fixedly connected to the top of the second rotating component (36). A first gear (371) is fixedly connected to the bottom of the second rotating component (36). A fourth gear (374) is fixedly connected to the top of the first rotating component (35).

3. A benchtop magnetic field measuring instrument according to claim 2, characterized in that: The bottom of the inner wall of the support frame (33) is rotatably connected to a second gear (372), the outer wall of the second gear (372) meshes with the outer wall of the first gear (371), the bottom of the inner wall of the support frame (33) is rotatably connected to a third gear (373), the outer wall of the third gear (373) meshes with the outer wall of the second gear (372), and the outer wall of the third gear (373) meshes with the outer wall of the fourth gear (374).

4. A benchtop magnetic field measuring instrument according to claim 1, characterized in that: A corner limiting block (39) is fixedly installed on the top of the circular base (32). A positioning frame (391) is movably inserted into the inner wall of the corner limiting block (39). A positioning groove (392) is opened on the top of the positioning frame (391).

5. A benchtop magnetic field measuring instrument according to claim 4, characterized in that: A raised frame (393) is fixedly installed on the top of the circular base (32), and an elastic plastic part (394) is fixedly installed on the inner wall of the raised frame (393). The outer wall of the elastic plastic part (394) is movably connected to the outer wall of the positioning frame (391).

6. A benchtop magnetic field measuring instrument according to claim 1, characterized in that: The convenient operating mechanism (2) includes a counterweight base (21), a support leg (22) is fixedly installed on the outer wall of the counterweight base (21), and the connecting frame (31) is fixedly installed on the right side of the counterweight base (21).

7. A benchtop magnetic field measuring instrument according to claim 6, characterized in that: A vertical side plate (23) is fixedly installed on the top of the counterweight base (21), and a height adjustment plate (24) is detachably connected to the outer wall of the vertical side plate (23).

8. A benchtop magnetic field measuring instrument according to claim 7, characterized in that: The side of the height adjustment plate (24) is threadedly connected to a locking bolt (25), and the threaded end of the locking bolt (25) is movably connected to the side of the vertical side plate (23).

9. A benchtop magnetic field measuring instrument according to claim 7, characterized in that: A vertical support base (26) is fixedly installed on the top of the height adjustment plate (24). An adjustment ring (261) is rotatably connected to the inner wall of the vertical support base (26). A reinforcing member (263) is fixedly installed on the inner wall of the adjustment ring (261). A connecting circular plate (262) is fixedly installed at the end of the adjustment ring (261). The main body (1) of the magnetic field measuring instrument is detachably connected to the side of the connecting circular plate (262).

10. A benchtop magnetic field measuring instrument according to claim 9, characterized in that: The top of the vertical support base (26) is threaded with a second locking bolt (264), and the threaded end of the second locking bolt (264) is movably connected to the outer wall of the adjusting ring (261).

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