CN213238762U - Modularized inductive displacement sensor - Google Patents
Modularized inductive displacement sensor Download PDFInfo
- Publication number
- CN213238762U CN213238762U CN202021698722.6U CN202021698722U CN213238762U CN 213238762 U CN213238762 U CN 213238762U CN 202021698722 U CN202021698722 U CN 202021698722U CN 213238762 U CN213238762 U CN 213238762U
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- Prior art keywords
- cable
- sealing rubber
- displacement sensor
- cable seat
- magnetic core
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 19
- 230000001939 inductive effect Effects 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a modularization inductance type displacement sensor in the technical field of displacement sensors, which comprises a shell, a coil component and a cable component, wherein the coil component comprises a winding framework, an enameled wire and a binding post, the enameled wire is wound on the winding framework, the end part of the enameled wire is electrically connected with the binding post, and the binding post is arranged at one end of the winding framework; the cable conductor subassembly includes cable seat, sealing rubber, clamping ring and gland nut, and the cable seat links to each other with the one end of shell, and is equipped with the spacing ring in the cable seat, and sealing rubber sets up in the cable seat and offsets with the spacing ring, and gland nut can dismantle with the cable seat and be connected, and gland nut contradicts with sealing rubber. The utility model discloses can dismantle at the tip of shell and be connected with the cable seat, the threaded connection through gland nut and cable seat drives clamping ring extrusion sealing rubber in the cable seat, and then makes sealing rubber locking cable conductor, the effectual protection cable conductor is connected with the enameled wire.
Description
Technical Field
The utility model relates to a displacement sensor technical field, concretely relates to modularization inductance type displacement sensor.
Background
The displacement inductance sensor is designed to be classified according to the shaft sleeve structure, and is developed to the third generation. The first generation is that the shaft is in clearance fit with the sleeve, so that the device has the advantage of long service time, but the movement of the shaft sleeve is blocked, so that the device is inflexible, short in service life and unadjustable in front stroke of the sensor; the second generation is that the shaft sleeve uses an upper ball bearing, but because the motion sleeve and the sensor shell are designed into a whole, the front stroke of the sensor is not adjustable, and the motion shaft is easy to lock when the sensor shell is clamped; the third generation is that the motion sleeve and the sensor shell are designed to be separated, the front stroke of the sensor is adjustable, the ball bearing does not fall off when the shaft sleeve moves, the installation and adjustment are convenient, the service life is longer, and the defects of the first two generations are overcome.
However, the existing inductive displacement sensor still has the following defects: the connection of the coil enameled wire and the cable of the sensor is easy to break, so that the service life is short, and particularly, when the sensor is clamped, debugged or maintained, the sensor is easy to damage by pulling the cable.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a modular inductive displacement sensor to solve the above problems.
The utility model discloses the technical scheme who adopts does:
designing a modular inductive displacement sensor, which comprises a shell, a coil assembly and a cable assembly, wherein the coil assembly and the cable assembly are arranged in the shell, the coil assembly comprises a winding framework, an enameled wire and a binding post, the enameled wire is wound on the winding framework, the end part of the enameled wire is electrically connected with the binding post, and the binding post is arranged at one end, facing the cable assembly, of the winding framework; the cable conductor subassembly includes cable seat, sealing rubber, clamping ring, cable conductor and gland nut, the cable conductor passes behind gland nut, clamping ring, sealing rubber and the cable seat and is connected with the terminal electricity, the cable seat links to each other with the one end of shell, just be equipped with the spacing ring in the cable seat, sealing rubber sets up in the cable seat and offsets with the spacing ring and touch, gland nut can dismantle with the cable seat and be connected, just gland nut contradicts with sealing rubber mutually.
Preferably, a compression ring is arranged between the sealing rubber and the compression nut.
Preferably, the winding framework is provided with a threading groove.
Preferably, one end of the compression nut, which faces away from the coil assembly, is provided with a wire protecting spring.
Preferably, still include the axle sleeve subassembly, the axle sleeve subassembly includes axle, cover, ball bearing, rotational lock, retaining ring, lock nut and dirt proof boot, ball bearing installs between axle and cover, the retaining ring is installed in the both ends of cover, the one end of rotational lock is installed in epaxial round pin hole, the other end is installed in the anti-rotation groove of sheatheeing in, the one end of dirt proof boot is installed epaxially, the other end is installed and is sheathe in, lock nut threaded connection sheathes in, just the cover spiro union is in the shell.
Preferably, the measuring head assembly further comprises a measuring head base body and an alloy steel ball, the alloy steel ball is fixedly arranged on the measuring head base body, and the other end of the measuring head base body is in coaxial threaded connection with the shaft.
Preferably, still include magnetic core assembly, magnetic core assembly includes the magnetic core and the magnetic core axle of coaxial setting, magnetic core axle and axle fixed connection, the magnetic core assembly outside is located to the bobbin case, just is in be equipped with the dynamometry spring between bobbin and the axle.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses can dismantle at the tip of shell and be connected with the cable seat to be equipped with sealing rubber, clamping ring and gland nut in the cable seat, the threaded connection through gland nut and cable seat drives clamping ring extrusion sealing rubber, and then makes sealing rubber locking lock the cable conductor, the effectual cable conductor of having protected is connected with the enameled wire.
2. The sleeve is connected with the locking nut through the screw thread, and the adjustment of the front stroke of the sensor is realized through the change of the position of the locking nut on the sleeve; simultaneously the utility model discloses a modularization setting has advantages such as simple installation, debugging convenience and maintenance are fast, the commonality is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
the measuring head comprises an alloy steel ball 1, a measuring head base body 2, a dustproof sleeve 3, a check ring 4, a lock nut 5, a shaft 6, an anti-rotation pin 7, a sleeve 8, a ball bearing 9, a shell 10, a force measuring spring 11, a magnetic core shaft 12, a magnetic core 13, a shielding sleeve 14, a threading groove 15, a wiring terminal 16, a cable seat 17, sealing rubber 18, a pressing ring 19, a compression nut 20, a wire protecting spring 21, a winding framework 22 and a limiting ring 23.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way. The unit module components, structures, mechanisms, sensors and other devices referred to in the following examples are all conventional and commercially available products unless otherwise specified.
Example (b): as shown in fig. 1 and 2, a modular inductive displacement sensor includes a probe assembly, a housing 10, a sleeve assembly, a magnetic core assembly, a coil assembly and a cable assembly, the probe assembly is disposed at a left end of the housing 10, the sleeve assembly, the magnetic core assembly and the cable assembly are sequentially disposed in the housing 10 from left to right, and the coil assembly is sleeved on the magnetic core assembly.
The shell 10 has internal threads at its two ends and a light hole in its middle, and is mounted with the shaft sleeve assembly and the cable assembly through the internal threads and the end faces respectively, and the light hole provides a positioning function for the shaft sleeve assembly and the cable assembly when mounted.
The measuring head component comprises a measuring head base body 2 and an alloy steel ball 1, the alloy steel ball 1 is bonded on the measuring head base body 2 through glue, so that the measuring head base body 2 and the alloy steel ball 1 are integrated, the alloy steel ball 1 directly contacts with a measured surface, an external thread is arranged on the measuring head base body 2, a threaded hole is formed in the left end of a shaft 6 of the shaft sleeve component, and the right end of the measuring head base body 2 is in threaded connection with the threaded hole.
The shaft sleeve assembly comprises a shaft 6, a sleeve 8, a ball bearing 9, an anti-rotation pin 7, a check ring 4, a lock nut 5, a dustproof sleeve 3 and a force measuring spring 11, wherein the ball bearing 9 is arranged between the shaft 6 and the sleeve 8, the ball bearing 9 provides support for the shaft 6 and moves along with the axial movement of the shaft 6, and meanwhile, very low friction force is provided, so that the service life is prolonged; the retainer rings 4 are arranged at two ends of the sleeve 8 to prevent the ball bearings 9 from falling out of the sleeve 8; the anti-rotation pin 7 is a stepped pin, one end of the anti-rotation pin 7 is arranged in a pin hole on the shaft 6, and the other end of the anti-rotation pin 7 is arranged in an anti-rotation groove on the sleeve 8, so that the anti-rotation pin plays a role in preventing the shaft 6 from rotating in the whole axial movement; one end of the dustproof sleeve 3 is installed on the shaft 6, the other end of the dustproof sleeve is installed on the sleeve 8, an external thread is arranged on the sleeve 8, the locking nut 5 is in threaded connection with the sleeve 8, the sleeve 8 is in threaded connection with the shell 10, and the position of the stroke is locked by means of the internal thread and the end face of the locking nut 5 and the internal thread and the end face of the shell 10.
Magnetic core subassembly includes the magnetic core axle 12 and the magnetic core 13 of coaxial setting, and the left end of magnetic core axle 12 is glued fixedly in the hole of gluing in 6 right-hand members of axle, and magnetic core 13 is installed on magnetic core axle 12 through sticky the installation.
Coil pack includes bobbin 22, enameled wire (not drawn), housing 14 and terminal 16, and bobbin 22 overlaps and locates on the magnetic core subassembly, and the one end that deviates from the gauge head subassembly at bobbin 22 is equipped with terminal 16, and the enameled wire is coiled on bobbin 22, and the tip of enameled wire passes behind the threading groove 15 on bobbin 22 and is connected with terminal 16 left end electricity, and housing 14 passes through the adhesive bonding and installs on bobbin 22.
One end of the force measuring spring 11 is arranged on the shaft 6, the other end of the force measuring spring is arranged on the winding framework 22, force measurement is provided for the whole measuring process, the force measuring spring 11 adopts a conical design, the force measurement change in a measuring range is ensured to be small, and the high precision of the sensor is ensured.
The cable conductor subassembly includes cable seat 17, sealing rubber 18, clamping ring 19, gland nut 20, the cable conductor and protect line spring 21, the left end of cable conductor passes in proper order and protects line spring 21, gland nut 20, clamping ring 19, be connected with terminal 16's right-hand member electricity behind the sealing rubber 18, the left end and the 15 threaded connection of bobbin of cable seat 17, the right-hand member and the left end threaded connection of shell 10, and be equipped with spacing ring 22 in the cable seat 17, sealing rubber 18 sets up in cable seat 17 and contradicts with spacing ring 23, clamping ring 19 sets up in cable seat 17 and contradicts with sealing rubber 18, gland nut 20 and 17 threaded connection of cable seat, and gland nut 20 and clamping ring 19 are inconsistent, the left end and the gland nut 20 that protect line spring 21 link to each other.
The operation and use method of the displacement sensor is as follows:
during installation, the compression nut 20 is rotated, so that the compression nut 20 pushes the compression ring 19 to move axially, the sealing rubber 18 is further compressed, and the effect of locking the cable is achieved; the cable line is locked by utilizing the characteristics of large elasticity, tight fitting, long service life and the like of the nitrile rubber, the cable line is not damaged by clamping, and meanwhile, the cable line component also has the effects of sealing, dust prevention and water prevention.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a modularization inductive displacement sensor, includes the shell and sets up coil pack and cable conductor subassembly in the shell, its characterized in that: the coil assembly comprises a winding framework, an enameled wire and a binding post, wherein the enameled wire is wound on the winding framework, the end part of the enameled wire is electrically connected with the binding post, and the binding post is arranged at one end, facing the cable assembly, of the winding framework; the cable conductor subassembly includes cable seat, sealing rubber, clamping ring, cable conductor and gland nut, the cable conductor passes behind gland nut, clamping ring, sealing rubber and the cable seat and is connected with the terminal electricity, the cable seat links to each other with the one end of shell, just be equipped with the spacing ring in the cable seat, sealing rubber sets up in the cable seat and offsets with the spacing ring and touch, gland nut can dismantle with the cable seat and be connected, just gland nut contradicts with sealing rubber mutually.
2. The modular inductive displacement sensor according to claim 1, wherein: and a compression ring is arranged between the sealing rubber and the compression nut.
3. The modular inductive displacement sensor according to claim 1, wherein: and the winding framework is provided with a threading groove.
4. The modular inductive displacement sensor according to claim 1, wherein: and one end of the compression nut, which is far away from the coil assembly, is provided with a wire protecting spring.
5. The modular inductive displacement sensor according to claim 1, wherein: still include the axle sleeve subassembly, the axle sleeve subassembly includes axle, cover, ball bearing, stop pin, retaining ring, lock nut and dirt proof boot, ball bearing installs between axle and cover, the retaining ring is installed in the both ends of cover, the one end of stop pin is installed in epaxial round pin hole, the other end is installed in the anti-rotation groove of sheatheeing in, the one end of dirt proof boot is installed in epaxial, the other end is installed and is sheathe in, lock nut threaded connection sheathes in, just the cover spiro union is in the shell.
6. The modular inductive displacement sensor according to claim 5, wherein: the measuring head assembly comprises a measuring head base body and an alloy steel ball, the alloy steel ball is fixedly arranged on the measuring head base body, and the other end of the measuring head base body is in coaxial threaded connection with the shaft.
7. The modular inductive displacement sensor according to claim 6, wherein: still include the magnetic core subassembly, the magnetic core subassembly includes the magnetic core and the magnetic core axle of coaxial setting, magnetic core axle and axle fixed connection, the magnetic core subassembly outside is located to the bobbin case, and is in be equipped with the dynamometry spring between bobbin and the axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698722.6U CN213238762U (en) | 2020-08-14 | 2020-08-14 | Modularized inductive displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698722.6U CN213238762U (en) | 2020-08-14 | 2020-08-14 | Modularized inductive displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238762U true CN213238762U (en) | 2021-05-18 |
Family
ID=75895223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021698722.6U Expired - Fee Related CN213238762U (en) | 2020-08-14 | 2020-08-14 | Modularized inductive displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238762U (en) |
-
2020
- 2020-08-14 CN CN202021698722.6U patent/CN213238762U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |