CN211954196U

CN211954196U - Inductance sensor with adjustable magnetic core position

Info

Publication number: CN211954196U
Application number: CN202020392735.4U
Authority: CN
Inventors: 谭杰
Original assignee: Xindong Shenzhou Technology Tianjin Co ltd
Current assignee: Xindong Shenzhou Technology Tianjin Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-17
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an inductive transducer with adjustable magnetic core position, including shell, coil, magnetic core and gauge head, the equal rigid coupling in the inner wall top left and right sides of shell has the coil, two be equipped with the magnetic core between the coil, the bottom of shell is equipped with the gauge head, the magnetic core is connected with the shell through debugging mechanism. This inductance sensor with adjustable magnetic core position for traditional technology, has following advantage: through the cooperation between shell, coil, magnetic core, gauge head and the debugging mechanism, need not to use spring flexonics at the atress mode to magnetic core accommodation process magnetic core, and then can make the stability of magnetic core obviously promote, be difficult for removing the vibrations displacement that tremble and lead to the magnetic core because of the atress of shell for the magnetic core is stably in initial zero-bit in permanent use, and the linear working range of measurement accuracy and sensor can be ensured.

Description

Inductance sensor with adjustable magnetic core position

Technical Field

The utility model relates to an inductive sensor technical field specifically is an inductive sensor with adjustable magnetic core position.

Background

The inductance sensor is a device for measuring by converting measured values into self-inductance or mutual inductance changes of coils, the inductance sensor can also be used as a magnetic sensitive speed switch, a gear age bar speed measurement and the like, the inductance of the inductance coils can be changed due to the movement of a magnetic core in the inductance sensor, for the differential inductance sensor, when the magnetic core is positioned at the middle position of the two inductance coils, the inductance of the two inductance coils is the same, when the magnetic core moves, the inductance of the two inductance coils can be correspondingly changed, and the inductance change quantity and the magnetic core displacement quantity are in a linear change relation in a certain range, when the current inductance sensor is used, the sensor needs to be fixed by a clamp to finish measurement, when the inductance sensor is fixed to start measurement, the magnetic core of the inductance sensor is difficult to be positioned at the middle position, so that the output result of the sensor is not zero, therefore, the zero adjustment, normally, an electronic zero-setting method is used for zero setting, after the electronic zero setting is performed, the initial position of a magnetic core is not in the middle when the inductance sensor is used for measuring, the measuring range of the sensor is narrowed, the measuring precision of the sensor is reduced, in order to avoid the defects, the inductance sensor with the adjustable magnetic core position in the prior art is applied, the position of the magnetic core can be adjusted by the existing inductance sensor with the adjustable magnetic core position, but the magnetic core is adjusted in a flexible connection mode through a spring, the stability of the magnetic core is general, so that the vibration displacement of the magnetic core is caused by the shaking movement of the shell due to the stress, and the measuring precision and the linear working range of the sensor cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inductance sensor with adjustable magnetic core position to solve the inductance sensor with adjustable current magnetic core position who proposes in the above-mentioned background art and though can adjust the position of magnetic core, but be the mode through spring flexonics during its magnetic core is adjusted, the stability can general of its magnetic core, move the vibrations displacement that tremble and lead to the magnetic core because of the atress of shell easily, the problem can't be ensured to the linear working range of measurement accuracy and sensor.

In order to achieve the above object, the utility model provides a following technical scheme: an inductance sensor with an adjustable magnetic core position comprises a shell, coils, magnetic cores and measuring heads, wherein the coils are fixedly connected to the left side and the right side of the top end of the inner wall of the shell, the magnetic cores are arranged between the two coils, the measuring heads are arranged at the bottom end of the shell, and the magnetic cores are connected with the shell through a debugging mechanism;

the debugging mechanism comprises a support plate, a groove, an inclined block, a screw rod, a circular groove, a knob, a sliding groove, a sliding block, a through groove, a support rod, a support plate and a through hole;

the support plate is fixedly connected with the bottom end of the center of the inner wall of the shell, the upper surface of the support plate is provided with a groove, the groove is internally provided with an inclined block, the circular groove is arranged on the right side of the outer wall of the shell, the left side of the inner part of the circular groove is inserted with a screw rod, the screw rod penetrates through the inclined block, the outer wall of the screw rod is in threaded connection with the contact surface of the inclined block, the screw rod is rotationally connected with the shell through a miniature ball bearing, the right end of the screw rod is connected with a knob, the top end of the inner part of the inclined block is provided with a sliding chute, the inner part of the sliding chute is connected with a sliding block in a sliding and clamping way, a through groove is arranged at the top end inside the sliding groove, a supporting rod is fixedly connected at the top end of the sliding block, the top end of the supporting rod is fixedly connected with the magnetic core, the outer wall of the supporting plate is fixedly connected with the inner wall of the shell, a through hole is formed in the center of the upper surface of the supporting plate, and the supporting rod penetrates through the supporting plate through the through hole.

Preferably, the groove and the inclined block form a sliding limiting structure.

Preferably, a first circular ring is fixedly connected to the center of the right surface of the knob.

Preferably, the supporting rod is connected with the supporting plate through a stability augmentation frame;

the stability augmentation frame comprises a clamping groove, a ball, a second circular ring, a long plate, a vertical rod and a circular hole;

it is a plurality of the draw-in groove is the inner wall that the annular was seted up at the through-hole, the inside slip joint of draw-in groove has the ball, the ball is laminated with branch mutually, the inner wall of second ring and the outer wall bottom top of branch are fixed to be linked to each other, the equal rigid coupling in outer wall left and right sides of second ring has the long slab, the upper surface outside tip rigid coupling of long slab has the pole setting, two the upper surface left and right sides at the layer board is seted up respectively to the round hole, the inner wall of round hole is laminated with the outer wall of pole setting mutually.

Preferably, two of the uprights are bilaterally symmetrical with respect to a center point of the strut.

Preferably, the screw rod is connected with the knob through a connecting piece;

the connecting piece comprises a square groove, an extension spring, a gasket, a slide way, a square block and a cross rod;

the screw rod is characterized in that the square groove is formed in the center of the right side surface of the screw rod, an extension spring is fixedly connected to the left side of the inside of the square groove, a gasket is fixedly connected to the right side of the extension spring, slides are arranged at the upper end and the lower end of the inner wall of the square groove, a square block is connected to the inside of each slide in a sliding clamping mode, the square block is fixedly connected with the gasket, a cross rod is fixedly connected to the center of the right side surface of the gasket, and the other end of the cross.

Compared with the prior art, the beneficial effects of the utility model are that: this inductance sensor with adjustable magnetic core position for traditional technology, has following advantage: through the cooperation between shell, coil, magnetic core, gauge head and the debugging mechanism, need not to use spring flexonics at the atress mode to magnetic core accommodation process magnetic core, and then can make the stability of magnetic core obviously promote, be difficult for removing the vibrations displacement that tremble and lead to the magnetic core because of the atress of shell for the magnetic core is stably in initial zero-bit in permanent use, and the linear working range of measurement accuracy and sensor can be ensured.

Through the cooperation between screw rod, knob and the connecting piece, can be located the circular slot inside after the knob regulation is rotated and is accomplished, and then the knob can not use the occupation space of shell temporarily, does benefit to the installation of sensor and uses.

Through branch, layer board and the cooperation that increases between the steady frame, the in-process round hole that carries out upper and lower position control to branch can play limiting displacement to the pole, and the ball also can roll in the inside of draw-in groove simultaneously, can increase the stability when branch reciprocates the process.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the housing, the adjustment mechanism and the connection member of FIG. 1;

FIG. 3 is a schematic view showing a connection structure of the screw, the knob and the connecting member of FIG. 1;

fig. 4 is a schematic view illustrating a connection structure of the housing, the strut, and the stabilizer of fig. 1.

In the figure: 1. the testing device comprises a shell, 2, a coil, 3, a magnetic core, 4, a measuring head, 5, a debugging mechanism, 501, a support plate, 502, a groove, 503, an inclined block, 504, a screw rod, 505, a circular groove, 506, a knob, 507, a sliding groove, 508, a sliding block, 509, a through groove, 510, a support rod, 511, a supporting plate, 512, a through hole, 6, a stability enhancement frame, 601, a clamping groove, 602, a ball, 603, a second circular ring, 604, a long plate, 605, a vertical rod, 606, a circular hole, 7, a connecting piece, 701, a square groove, 702, a tension spring, 703, a gasket, 704, a slide way, 705, a square block, 706, a cross rod, 8 and a first circular ring.

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: an inductance sensor with an adjustable magnetic core position comprises a shell 1, coils 2, a magnetic core 3 and a measuring head 4, wherein the left side and the right side of the top end of the inner wall of the shell 1 are fixedly connected with the coils 2, the magnetic core 3 is arranged between the two coils 2, the measuring head 4 is arranged at the bottom end of the shell 1, the magnetic core 3 is connected with the shell 1 through a debugging mechanism 5, the debugging mechanism 5 comprises a support plate 501, a groove 502, an inclined block 503, a screw rod 504, a circular groove 505, a knob 506, a sliding groove 507, a sliding block 508, a through groove 509, a support rod 510, a support plate 511 and a through hole 512, the support plate 501 is fixedly connected at the bottom end of the center of the inner wall of the shell 1, the upper surface of the support plate 501 is provided with the groove 502, the inclined block 503 is arranged inside the groove 502, the front surface and the back surface of the inclined block 503 are attached to the inner wall of the groove 502, the circular groove 505 is arranged at the, the screw rod 504 is rotatably connected with the shell 1 through a miniature ball bearing, the right end part of the screw rod 504 is connected with a knob 506, the knob 506 is positioned inside a circular groove 505, the top end inside the inclined block 503 is provided with a sliding groove 507, the sliding groove 507 is connected with a sliding block 508 in a sliding and clamping manner, the sliding groove 507 can limit the sliding block 508, the sliding block 508 can slide left and right inside the sliding groove 507, but the sliding block 508 cannot move back and forth and up and down inside the sliding groove 507, the top end inside the sliding groove 507 is provided with a through groove 509, the top end of the sliding block 508 is fixedly connected with a support rod 510, the support rod 510 penetrates through the inclined block 503 through the through groove 509, the support rod 510 is in clearance fit with the through groove, the top end of the support rod 510 is fixedly connected with the magnetic core 3, the outer wall of the support plate 511 is fixedly connected with the inner wall of the shell 1, the center of the upper, the groove 502 can play a limiting role for the inclined block 503, the inclined block 503 can slide left and right in the groove 502, but the inclined block 503 cannot rotate, the first circular ring 8 is fixedly connected to the center of the right surface of the knob 506, and force can be applied to the knob 506 conveniently through the first circular ring 8.

The supporting rod 510 is connected with the supporting plate 511 through a stability increasing frame 6, the stability increasing frame 6 comprises a plurality of clamping grooves 601, balls 602, a second circular ring 603, a long plate 604, upright rods 605 and a circular hole 606, the clamping grooves 601 are annularly arranged on the inner wall of the through hole 512, the balls 602 are slidably clamped in the clamping grooves 601, the balls 602 can roll in the clamping grooves 601, however, the balls 602 cannot be separated from the clamping grooves 601, the balls 602 are attached to the support rod 510, the inner wall of the second circular ring 603 is fixedly connected to the upper portion of the bottom end of the outer wall of the support rod 510, the left side and the right side of the outer wall of the second circular ring 603 are fixedly connected with the long plates 604, the outer end portions of the upper surfaces of the long plates 604 are fixedly connected with the vertical rods 605, the two circular holes 606 are respectively arranged on the left side and the right side of the upper surface of the support plate 511, the inner walls of the circular holes 606 are attached to the outer wall of the vertical rods 605, the two vertical rods 605 are bilaterally symmetrical relative to the.

The screw 504 is connected with the knob 506 through a connecting piece 7, the connecting piece 7 comprises a square groove 701, an extension spring 702, a gasket 703, a slide way 704, a square 705 and a cross rod 706, the square groove 701 is arranged in the center of the right side surface of the screw 504, the extension spring 702 is fixedly connected to the left side inside the square groove 701, the coefficient of the extension spring 702 is 2-5N/CM, the gasket 703 is fixedly connected to the right side of the extension spring 702, the slide ways 704 are arranged at the upper end and the lower end of the inner wall of the square groove 701, the square 705 is slidably connected to the slide way 704 in a clamping mode, the slide way 704 can slide left and right inside the square 705, but the square 705 cannot move up and down and back and forth inside the slide way 704, the square 705 is fixedly connected with the gasket 703, the cross rod 706 is fixedly connected to the center of the.

When the magnetic core position adjustable inductance sensor is used and the magnetic core needs to be adjusted in the vertical position, firstly the knob 506 is pulled out outwards, the cross rod 706 moves the extension spring 702 to the right side to be extended, the knob 506 is rotated, the screw rod 504 can be rotated through the transmission of the cross rod 706, the square 705 and the slide way 704, the slide block 508 can be adjusted in the vertical position due to the threaded connection relationship between the screw rod 504 and the slide block 503 and the limit of the groove 502 to the slide block 503, the slide block 503 can slide left and right in the groove 502, the slide way 507 is inclined and the slide way 507 and the slide block 508 are limited, the support rod 510 and the magnetic core 3 can be adjusted in the vertical position, the stress mode of the magnetic core 3 does not need to use the flexible connection of the spring during the use, and the stability of the magnetic core 3 can be obviously improved, difficult vibrations displacement because of the atress of shell 1 removes tremble and leads to magnetic core 3 for magnetic core 3 is stably in initial zero position in permanent use, and measurement accuracy and sensor's linear working range can be ensured, and the regulation is accomplishing the back and is loosening the effort to knob 506, and extension spring 702 can kick-back, makes knob 506 be located the inside of circular slot 505, and the occupation space of shell 1 can not be used temporarily to knob 506 promptly, does benefit to the installation of sensor and uses.

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

1. The utility model provides an inductive transducer with adjustable magnetic core position, includes shell (1), coil (2), magnetic core (3) and gauge head (4), the equal rigid coupling in inner wall top left and right sides of shell (1) has coil (2), two be equipped with magnetic core (3) between coil (2), the bottom of shell (1) is equipped with gauge head (4), its characterized in that: the magnetic core (3) is connected with the shell (1) through a debugging mechanism (5);

the debugging mechanism (5) comprises a support plate (501), a groove (502), an inclined block (503), a screw rod (504), a circular groove (505), a knob (506), a sliding groove (507), a sliding block (508), a through groove (509), a support rod (510), a support plate (511) and a through hole (512);

the supporting plate (501) is fixedly connected to the bottom end of the center of the inner wall of the shell (1), the upper surface of the supporting plate (501) is provided with a groove (502), an inclined block (503) is arranged in the groove (502), a circular groove (505) is arranged on the right side of the outer wall of the shell (1), a screw rod (504) is inserted into the left side of the inner part of the circular groove (505), the screw rod (504) penetrates through the inclined block (503), the outer wall of the screw rod (504) is in threaded connection with the contact surface of the inclined block (503), the screw rod (504) is rotatably connected with the shell (1) through a miniature ball bearing, the end part of the right side of the screw rod (504) is connected with a knob (506), the top end of the inner part of the inclined block (503) is provided with a sliding groove (507), a sliding block (508) is clamped in the sliding groove (507), the top end of the inner part of the sliding groove (507) is provided, the top end of the supporting rod (510) is fixedly connected with the magnetic core (3), the outer wall of the supporting plate (511) is fixedly connected with the inner wall of the shell (1), a through hole (512) is formed in the center of the upper surface of the supporting plate (511), and the supporting rod (510) penetrates through the supporting plate (511) through the through hole (512).

2. The inductance sensor with adjustable core position according to claim 1, wherein: the groove (502) and the inclined block (503) form a sliding limiting structure.

3. The inductance sensor with adjustable core position according to claim 1, wherein: the center of the right surface of the knob (506) is fixedly connected with a first circular ring (8).

4. The inductance sensor with adjustable core position according to claim 1, wherein: the supporting rod (510) is connected with the supporting plate (511) through the stability augmentation frame (6);

the stability augmentation frame (6) comprises a clamping groove (601), a ball (602), a second circular ring (603), a long plate (604), a vertical rod (605) and a circular hole (606);

it is a plurality of draw-in groove (601) are the inner wall that the annular was seted up at through-hole (512), the inside slip joint of draw-in groove (601) has ball (602), ball (602) laminate mutually with branch (510), the inner wall of second ring (603) links to each other with the outer wall bottom top of branch (510) is fixed, the equal rigid coupling in outer wall left and right sides of second ring (603) has rectangular plate (604), the upper surface outside tip rigid coupling of rectangular plate (604) has pole setting (605), two the upper surface left and right sides at layer board (511) is seted up respectively to round hole (606), the inner wall of round hole (606) laminates with the outer wall of pole setting (605).

5. The inductance sensor with adjustable core position according to claim 4, wherein: the two upright rods (605) are symmetrical left and right relative to the central point of the strut (510).

6. The inductance sensor with adjustable core position according to claim 1, wherein: the screw rod (504) is connected with the knob (506) through a connecting piece (7);

the connecting piece (7) comprises a square groove (701), an extension spring (702), a gasket (703), a slide way (704), a square block (705) and a cross bar (706);

the right side surface center at screw rod (504) is seted up in square groove (701), the inside left side rigid coupling of square groove (701) has extension spring (702), the right side rigid coupling of extension spring (702) has gasket (703), slide (704) have all been opened at both ends about the inner wall of square groove (701), the inside slip joint of slide (704) has square (705), square (705) and gasket (703) are fixed to be linked to each other, the right side surface center rigid coupling of gasket (703) has horizontal pole (706), the other end and knob (506) of horizontal pole (706) are fixed to be linked to each other.