CN219737740U - Probe for magnetic field sensor - Google Patents

Abstract

The utility model belongs to the technical field of magnetic field sensor equipment, and particularly relates to a probe for a magnetic field sensor, which comprises a probe main body, wherein a limiting ring is arranged on the probe main body, one side of the limiting ring is provided with a protective shell, the end part of the protective shell is provided with a clamping groove, one end of the protective shell, which is far away from the clamping groove, is connected with a first fixing cap, a spring is arranged in the protective shell, one side of the limiting ring, which is far away from the protective shell, is provided with a thread groove, a rubber gasket is sleeved on the thread groove, one side of the rubber gasket, which is far away from the limiting ring, is provided with a second fixing cap, a protective rubber sleeve is connected in the second fixing cap, and one end of the probe main body, which is far away from the protective shell, is connected with an output shielding wire. According to the utility model, the second fixing cap and the protective rubber sleeve are arranged at the end part of the probe main body, and the second fixing cap is connected with the probe main body in a threaded connection mode, so that the aim of preventing the output shielding wire from falling off or breaking easily can be fulfilled.

Description

Probe for magnetic field sensor

Technical Field

The utility model relates to the technical field of magnetic field sensor equipment, in particular to a probe for a magnetic field sensor.

Background

Magnetic field sensors are devices that can convert various magnetic fields and their varying amounts into electrical signals for output, play a vital role in modern technology, and are widely used in many engineering and industrial fields, such as high density magnetic recording, navigation, object detection and tracking, anti-theft systems, non-destructive testing, magnetic markers and tags, geomagnetic measurement, spatial research, magnetic field measurement on aircraft or ships, and human body biological magnetic measurement.

The prior art has the following problems:

the probe is used as an important component of the magnetic field sensor, and the probe is connected with the signal conversion unit through the output shielding wire when the probe is used, but the output shielding wire can be bent or pulled at the joint of the output shielding wire and the probe when the probe is used, so that the output shielding wire joint is easy to fall off, or the joint of the output shielding wire is broken.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a probe for a magnetic field sensor, which solves the problem that the output shielding wire is easy to fall off or break in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a magnetic field sensor uses probe, includes the probe main part, be provided with the spacing ring in the probe main part, and one side of spacing ring is provided with the protective housing, the tip of protective housing is provided with the draw-in groove, and the one end that the draw-in groove was kept away from to the protective housing is connected with first fixed cap, the inside of protective housing is provided with the spring, and one side that the protective housing was kept away from to the spacing ring is provided with the screw groove, the rubber gasket has been cup jointed on the screw groove, and one side that the spacing ring was kept away from to the rubber gasket is provided with the second fixed cap, be connected with the protection gum cover in the second fixed cap, and the one end that the protective housing was kept away from to the probe main part is connected with output shielding wire.

As a preferable technical scheme of the utility model, a through groove matched with the outer diameter of the probe main body is formed in the center of the first fixing cap, and the inner diameter size of the clamping groove is smaller than the outer diameter size of the limiting ring.

As a preferable technical scheme of the utility model, the first fixing cap is connected with the protective shell through threads, and the diameter of the through groove in the center of the first fixing cap is smaller than the outer diameter of the spring.

As a preferable technical scheme of the utility model, the protective rubber sleeve consists of a first cylindrical section, a conical section and a second cylindrical section, and the center of the protective rubber sleeve is provided with a through groove matched with the diameter of the output shielding wire.

As a preferable technical scheme of the utility model, the end part of the second fixing cap is provided with a through hole with the diameter smaller than the outer diameter of the first cylindrical section, and the outer diameter of the first cylindrical section is larger than that of the second cylindrical section.

As a preferable technical scheme of the utility model, the second fixing cap is connected with the probe body through threads, and the outer diameter of the second fixing cap and the outer diameter of the rubber gasket are the same as the outer diameter of the probe body.

Compared with the prior art, the utility model provides a probe for a magnetic field sensor, which has the following beneficial effects:

1. this a magnetic field sensor probe, through set up second fixed cap and protection gum cover at the tip of probe main part, and adopt threaded connection's mode to be connected with the probe main part with the second fixed cap, simultaneously set up into first cylinder section with the protection gum cover, toper section and second cylinder section triplex, and the through-hole diameter of second fixed cap tip is between the size of first cylinder section diameter and second cylinder section diameter, overlap second fixed cap and protection gum cover on output shielding electric wire in proper order during the use, then connect output shielding electric wire on the probe main part, be connected to the screw groove of probe main part with the second fixed cap at last, along with the removal of second fixed cap towards probe main part one side, the through-hole of its tip can be removed on the toper section, and constantly extrude toper section to elasticity toper section and take place deformation, thereby can form the fixed messenger to output shielding electric wire and can not take place about the removal, then avoided its phenomenon that takes place to drop, simultaneously the protection gum cover cup joints the wiring phenomenon at the tip of output shielding electric wire, can effectually avoid output shielding electric wire to take place the problem that the wiring fracture easily.

2. This a magnetic field sensor is with probe, through setting up the spacing ring in the probe main part, and set up spring and protective housing in one side of spacing ring, utilize protective housing to form the protection to probe main part tip during the use, when using narrow and small space such as probe main part insert hole or gap, because the field of vision of restriction staff in space is relatively poor, the probe main part can not touch with external object, protective housing can extrude the spring and remove in the probe main part when touching takes place, this mode can effectually avoid the phenomenon that the fish tail takes place for the probe main part.

Drawings

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

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a protective housing of the present utility model;

fig. 4 is a schematic view of the external structure of the protective housing of the present utility model.

In the figure: 1. a probe body; 2. a limiting ring; 3. a protective housing; 4. a clamping groove; 5. a first fixing cap; 6. a spring; 7. a thread groove; 8. a rubber gasket; 9. a second fixing cap; 10. a protective rubber sleeve; 11. outputting a shielded wire; 12. a first cylindrical section; 13. a conical section; 14. a second cylindrical section.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: the utility model provides a magnetic field sensor uses probe, including probe main part 1, be provided with spacing ring 2 on the probe main part 1, a side for spacing to spring 6, one side of spacing ring 2 is provided with shield shell 3, shield shell 3's tip is provided with draw-in groove 4, shield shell 3 is kept away from the one end of draw-in groove 4 and is connected with first fixed cap 5, a fixing for spring 6, shield shell 3's inside is provided with spring 6, one side that shield shell 3 was kept away from to spacing ring 2 is provided with thread groove 7, rubber gasket 8 has been cup jointed on the thread groove 7, one side that spacing ring 2 was kept away from to rubber gasket 8 is provided with second fixed cap 9, be connected with the protection gum cover 10 in the second fixed cap 9, a protection for export shielding electric wire 11, the one end that shield shell 3 was kept away from to probe main part 1 is connected with export shielding electric wire 11.

In the embodiment, a through groove matched with the outer diameter of the probe main body 1 is formed in the center of the first fixing cap 5, and the inner diameter of the clamping groove 4 is smaller than the outer diameter of the limiting ring 2 so as to sleeve the protective shell 3 outside the spring 6; the first fixing cap 5 is connected with the protective shell 3 through threads, and the diameter of a through groove in the center of the first fixing cap 5 is smaller than the outer diameter of the spring 6 so as to fix the position of the spring 6; the protective rubber sleeve 10 consists of a first cylindrical section 12, a conical section 13 and a second cylindrical section 14, and a through groove matched with the diameter of the output shielding wire 11 is formed in the center of the protective rubber sleeve 10 so as to form protection on the wiring end part of the output shielding wire 11 through the protective rubber sleeve 10; the end part of the second fixing cap 9 is provided with a through hole with the diameter smaller than the outer diameter of the first cylindrical section 12, and the outer diameter of the first cylindrical section 12 is larger than that of the second cylindrical section 14 so as to fix the protective rubber sleeve 10 through the second fixing cap 9; the second fixing cap 9 is connected with the probe main body 1 through threads, and the outer diameter of the second fixing cap 9 and the outer diameter of the rubber gasket 8 are the same as the outer diameter of the probe main body 1 in size, so that the outer wall of the wiring end part of the probe main body 1 is kept flat, and the device is convenient to use.

The working principle and the using flow of the utility model are as follows: this practicality is novel through the design of protective housing 3, can effectually form the protection to probe main part 1 detection tip, can avoid probe main part 1 to take place the phenomenon of fish tail, the protection gum cover 10 that sets up at the connecting end of probe main part 1 and output shielding electric wire 11 simultaneously can realize the protection to output shielding electric wire 11 connector lug department, avoid it to take place cracked phenomenon because of buckling, simultaneously second fixation cap 9 can realize the fixed of protection gum cover 10 and output shielding electric wire 11 through the mode of extrusion toper section 13, the phenomenon that takes place to drop because of outside pulling force of output shielding electric wire 11 that can to a great extent.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A probe for a magnetic field sensor, comprising a probe body (1), characterized in that: be provided with spacing ring (2) on probe main part (1), and one side of spacing ring (2) is provided with protective housing (3), the tip of protective housing (3) is provided with draw-in groove (4), and protective housing (3) are kept away from the one end of draw-in groove (4) and are connected with first fixed cap (5), the inside of protective housing (3) is provided with spring (6), and one side that protective housing (3) was kept away from to spacing ring (2) is provided with screw groove (7), rubber gasket (8) have been cup jointed on screw groove (7), and one side that spacing ring (2) was kept away from to rubber gasket (8) is provided with second fixed cap (9), be connected with protective rubber sleeve (10) in second fixed cap (9), and the one end that protective housing (3) was kept away from to probe main part (1) is connected with output shielded wire (11).

2. A probe for a magnetic field sensor as set forth in claim 1, wherein: the center of the first fixing cap (5) is provided with a through groove matched with the outer diameter of the probe main body (1), and the inner diameter size of the clamping groove (4) is smaller than the outer diameter size of the limiting ring (2).

3. A probe for a magnetic field sensor as set forth in claim 1, wherein: the first fixing cap (5) is connected with the protective shell (3) through threads, and the diameter of a through groove in the center of the first fixing cap (5) is smaller than the outer diameter of the spring (6).

4. A probe for a magnetic field sensor as set forth in claim 1, wherein: the protective rubber sleeve (10) consists of a first cylindrical section (12), a conical section (13) and a second cylindrical section (14), and a through groove matched with the diameter of the output shielding wire (11) is formed in the center of the protective rubber sleeve (10).

5. A probe for a magnetic field sensor as set forth in claim 1, wherein: the end part of the second fixing cap (9) is provided with a through hole with the diameter smaller than the outer diameter of the first cylindrical section (12), and the outer diameter of the first cylindrical section (12) is larger than that of the second cylindrical section (14).

6. A probe for a magnetic field sensor as set forth in claim 1, wherein: the second fixing cap (9) is connected with the probe main body (1) through threads, and the outer diameter of the second fixing cap (9) and the outer diameter of the rubber gasket (8) are the same as the outer diameter of the probe main body (1).