CN215572675U

CN215572675U - Waterproof magnetostrictive displacement sensor

Info

Publication number: CN215572675U
Application number: CN202122319781.9U
Authority: CN
Inventors: 杨勇
Original assignee: Hubei Borsen Technology Co ltd
Current assignee: Hubei Borsen Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-18
Anticipated expiration: 2031-09-24

Abstract

The utility model belongs to the technical field of magnetostrictive displacement sensors, and particularly relates to a waterproof magnetostrictive displacement sensor which comprises a cylinder body, a sensor and a magnetostrictive waveguide tube, wherein one end of the magnetostrictive waveguide tube is connected with the sensor, the cylinder body is connected with the other end of the magnetostrictive waveguide tube, an interface waterproof mechanism is arranged at the joint of the sensor and the magnetostrictive waveguide tube, and a shell waterproof mechanism is arranged outside the sensor; through rotating the thread sealing cover, make the thread sealing cover can with cylinder body sealing connection, thereby guaranteed that water stain is difficult for getting into, and can with the mutual joint of cylinder body through the protection cover shell, further guaranteed the leakproofness of structure, guaranteed waterproof effect then, can with fixed block looks spiro union through fastening component, make then the protective housing can firmly cup joint in the sensor outside, can protect magnetostrictive displacement sensor, and convenient to detach, make things convenient for later maintenance.

Description

Waterproof magnetostrictive displacement sensor

Technical Field

The utility model belongs to the technical field of magnetostrictive displacement sensors, and particularly relates to a waterproof magnetostrictive displacement sensor.

Background

The magnetostrictive displacement sensor, as a movable magnetic ring for determining the position, does not directly contact with a sensitive element, so that the sensor can be applied to extremely severe industrial environments and is not easily affected by oil stains, solutions, dust or other pollution. The output signal of the sensor is an absolute displacement value, so that data cannot be lost even if the power supply is interrupted and reconnected, and the data does not need to be re-zeroed. Because the sensitive element is non-contact, the sensor is not abraded even if the detection is repeated, the reliability of the detection can be greatly improved, and the service life of the sensor can be greatly prolonged; in the magnetostrictive displacement sensor of reality, use with the hydro-cylinder cooperation usually, because operational environment is complicated, current magnetostrictive displacement sensor does not have protection device usually, makes the later maintenance inconvenient then, and does not have waterproof effect, and then leads to the suitability not high.

In order to solve the above problems, a waterproof magnetostrictive displacement sensor is provided in the present application.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a waterproof magnetostrictive displacement sensor, which is provided with a waterproof interface mechanism, can protect the magnetostrictive displacement sensor and an oil cylinder from water, so that water stains are not easy to enter the device through the magnetostrictive displacement sensor, and the magnetostrictive displacement sensor can be protected through the waterproof shell mechanism, is convenient to disassemble and is convenient for later maintenance.

In order to achieve the purpose, the utility model provides the following technical scheme: the waterproof magnetostrictive displacement sensor comprises a cylinder body, a sensor and a magnetostrictive waveguide tube, wherein one end of the magnetostrictive waveguide tube is connected with the sensor, the cylinder body is connected with the other end of the magnetostrictive waveguide tube, an interface waterproof mechanism is installed at the joint of the sensor and the magnetostrictive waveguide tube, and a shell waterproof mechanism is installed on the outer side of the sensor.

Preferably, the waterproof interface mechanism of the waterproof magnetostrictive displacement sensor comprises a screw rod, a protective sleeve shell and a threaded sealing sleeve, wherein one end of the screw rod is fixedly connected with the sensor, the screw rod is sleeved on a magnetostrictive waveguide tube, the protective sleeve shell is sleeved on the screw rod, and the threaded sealing sleeve is sleeved on the screw rod in a sliding manner and is far away from one end of the sensor.

Preferably, the waterproof magnetostrictive displacement sensor comprises a connector waterproof mechanism, a screw sleeve and a connecting rod, wherein the screw sleeve is sleeved on the screw rod in a sliding manner, one end of the connecting rod is fixedly connected with the outer side of the screw sleeve, and the other end of the connecting rod is fixedly connected with the inner side of the protective casing.

Preferably, the waterproof mechanism of the shell comprises a protective shell, a fastening assembly and a fixed block, wherein a sealing plate is fixedly sleeved at one end of the sensor, one end of the protective shell is sleeved outside the sensor through the sealing plate, the fastening assembly is installed at the other end of the protective shell, the other end of the sensor is fixedly connected with the fixed block, and a threaded through hole is formed in the fixed block.

Preferably, the fastening assembly comprises a threaded rod, a clamping block and a fastening hand wheel, one end of the threaded rod penetrates through the protective shell and is in threaded connection with the threaded through hole, the clamping block is sleeved on the threaded rod in a threaded manner, the clamping block is in abutting connection with one end of the protective shell, and the fastening hand wheel is fixedly connected to the other end of the threaded rod.

Preferably, one end of the cylinder body is provided with a clamping groove, and the threaded sealing sleeve can be in sealed clamping connection with the clamping groove.

Preferably, the length of the threaded sleeve is half of the length of the protective casing, and the length of the threaded sealing sleeve is smaller than that of the threaded sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. through cup jointing the lead screw on magnetostrictive waveguide, can protect magnetostrictive waveguide, the thread sealing cover has been cup jointed on the lead screw, through rotating the thread sealing cover, make the thread sealing cover can with cylinder body sealing connection, thereby guaranteed that water stain is difficult for getting into, and through cup jointing the thread bush on the lead screw, the thread bush can slide on the lead screw, because of connecting rod one end and the outside fixed connection of thread bush, the connecting rod other end and the inboard fixed connection of protection cover shell, consequently when the thread bush slides on the lead screw, it slides in step to drive the protection cover shell, the protection cover shell can with the mutual joint of cylinder body, the leakproofness of structure has further been guaranteed, waterproof effect has then been guaranteed.

2. Through fixing the cover at sensor one end and having connect the closing plate, then make the protective housing cup joint when the sensor outside, can with closing plate sealing connection, then make the leakproofness of sensor obtain guaranteeing, through at sensor other end fixedly connected with fixed block, the screw thread through-hole has been seted up on the fixed block, and be provided with fastening assembly on the protective housing, can with fixed block looks spiro union through fastening assembly, then make the protective housing can firmly cup joint in the sensor outside, can protect magnetostrictive displacement sensor, and convenient to detach, make things convenient for later maintenance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic view of the construction of the threaded seal cartridge of the present invention;

FIG. 3 is a schematic view of the construction of the threaded sleeve of the present invention;

FIG. 4 is a schematic structural view of a fixing block according to the present invention;

FIG. 5 is a schematic view of a threaded rod of the present invention;

FIG. 6 is a schematic view of the structure of the threaded through-hole of the present invention;

fig. 7 is a schematic view of the structure of the fastening assembly of the present invention.

In the figure:

1. a cylinder body; 2. a sensor; 21. a sealing plate; 3. an interface waterproof mechanism; 31. a screw rod; 32. a protective cover shell; 33. a threaded seal cartridge; 34. a threaded sleeve; 35. a connecting rod; 4. a shell waterproof mechanism; 41. a protective shell; 42. a fastening assembly; 421. a threaded rod; 422. a clamping block; 423. fastening a hand wheel; 43. a fixed block; 431. a threaded through hole; 5. a magnetostrictive waveguide.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1;

the utility model provides a waterproof magnetostrictive displacement sensor, includes cylinder body 1, sensor 2 and magnetostrictive waveguide pipe 5, and magnetostrictive waveguide pipe 5 one end is connected with sensor 2, and cylinder body 1 is connected with magnetostrictive waveguide pipe 5 other end, and sensor 2 installs interface waterproofing mechanism 3 with magnetostrictive waveguide pipe 5 handing-over department, and casing waterproofing mechanism 4 is installed to the sensor 2 outside.

In this embodiment: one end of the magnetostrictive waveguide tube 5 is connected with the sensor 2, so that the working stability of the magnetostrictive waveguide tube 5 is ensured, and the other end of the cylinder body 1 is connected with the other end of the magnetostrictive waveguide tube 5, so that the working stability between the magnetostrictive waveguide tube 5 and the cylinder body 1 is ensured.

As shown in fig. 1-7;

based on current magnetostrictive displacement sensor equipment, through interface waterproofing mechanism 3, can carry out water proof between sensor 2 and the hydro-cylinder to make inside water stain is difficult for entering into the device through sensor 2, through casing waterproofing mechanism 4, can protect sensor 2, and convenient to detach makes things convenient for the later maintenance.

Further, the method comprises the following steps:

in combination with the above, the interface waterproof mechanism 3 includes a screw rod 31, a protective casing 32 and a thread sealing sleeve 33, one end of the screw rod 31 is fixedly connected with the sensor 2, the screw rod 31 is sleeved on the magnetostrictive waveguide tube 5, the protective casing 32 is sleeved on the screw rod 31, and the thread sealing sleeve 33 is sleeved on the screw rod 31 in a sliding manner at one end far away from the sensor 2; the interface waterproofing mechanism 3 further comprises a threaded sleeve 34 and a connecting rod 35, the threaded sleeve 34 is sleeved on the screw rod 31 in a threaded sliding manner, one end of the connecting rod 35 is fixedly connected with the outer side of the threaded sleeve 34, and the other end of the connecting rod 35 is fixedly connected with the inner side of the protective sleeve shell 32.

In this embodiment: through cup jointing lead screw 31 on magnetostrictive waveguide 5, can protect magnetostrictive waveguide 5, screw thread seal cover 33 has been cup jointed on lead screw 31, through rotating screw thread seal cover 33, make screw thread seal cover 33 can with 1 sealing connection of cylinder body, thereby guaranteed that water stain is difficult for getting into, and through cup jointing threaded sleeve 34 on lead screw 31, threaded sleeve 34 can slide on lead screw 31, because of connecting rod 35 one end and the 34 outside fixed connection of threaded sleeve, the connecting rod 35 other end and the inboard fixed connection of protection cover shell 32, consequently when threaded sleeve 34 slides on lead screw 31, it slides in step to drive protection cover shell 32, protection cover shell 32 can with 1 mutual joint of cylinder body, the leakproofness of structure has further been guaranteed, waterproof effect has then been guaranteed.

It should be noted that: a clamping groove is formed in one end of the cylinder body 1, and the threaded sealing sleeve 33 can be in sealing clamping connection with the clamping groove.

In this embodiment: through having seted up the joint groove in 1 one end of cylinder body, make sealing connection between screw thread seal cover 33 accessible joint groove and the cylinder body 1 then, guaranteed the leakproofness of structure then.

It should be noted that: the length of the threaded sleeve 34 is half of the length of the protective casing 32, and the length of the thread sealing sleeve 33 is smaller than that of the threaded sleeve 34.

In this embodiment: by making the length of the threaded sleeve 34 half of the length of the protective sleeve 32 and making the length of the threaded sealing sleeve 33 less than the length of the threaded sleeve 34, the protective sleeve 32 can ensure the tightness with the cylinder 1 when the protective sleeve 32 is in sliding mutual engagement with the cylinder 1.

It should be understood that: a circular clamping groove clamped with the protective casing 32 is arranged on one side of the cylinder body 1 relative to the periphery of the clamping groove.

Further, the method comprises the following steps: casing waterproofing mechanism 4 includes protective housing 41, fastening components 42 and fixed block 43, and the fixed cover of sensor 2 one end has connect the closing plate 21, and the sealing plate 21 cup joints in the sensor 2 outside through the closing plate 21 in protective housing 41 one end, and fastening components 42 installs in the protective housing 41 other end, and sensor 2 other end fixedly connected with fixed block 43 has seted up screw thread through-hole 431 on the fixed block 43.

In this embodiment: through fixing the cover at sensor 2 one end and having connect closing plate 21, then make protective housing 41 when cup jointing in the sensor 2 outside, can with closing plate 21 sealing connection, then make sensor 2's leakproofness obtain guaranteeing, through at sensor 2 other end fixedly connected with fixed block 43, screw thread through-hole 431 has been seted up on fixed block 43, and be provided with fastening components 42 on protective housing 41, can with fixed block 43 looks spiro union through fastening components 42, then make protective housing 41 can firmly cup joint in the sensor 2 outside.

It should be noted that: fastening components 42 includes threaded rod 421, joint piece 422 and fastening hand wheel 423, and protective housing 41 and screw through hole 431 looks spiro union are run through to threaded rod 421 one end screw thread, and joint piece 422 cup joints on threaded rod 421, and joint piece 422 is contradicted with protective housing 41 one end and is connected, fastening hand wheel 423 fixed connection at the threaded rod 421 other end.

In this embodiment: through cup jointing joint piece 422 on threaded rod 421, can with protective housing 41 sealing connection through joint piece 422, when getting protective housing 41 to cup joint in the sensor 2 outside, through rotating fastening hand wheel 423, because of fastening hand wheel 423 fixed connection is in threaded rod 421 one end, consequently fastening hand wheel 423 drives threaded rod 421 and rotates, rotate through threaded rod 421, can with screw through hole 431 looks spiro union, make protective housing 41 firmly cup joint in the sensor 2 outside then, make sensor 2's leakproofness further obtain guaranteeing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a waterproof magnetostrictive displacement sensor, includes cylinder body (1), sensor (2) and magnetostrictive waveguide pipe (5), magnetostrictive waveguide pipe (5) one end is connected with sensor (2), cylinder body (1) is connected with magnetostrictive waveguide pipe (5) other end, its characterized in that: an interface waterproof mechanism (3) is installed at the joint of the sensor (2) and the magnetostrictive waveguide tube (5), and a shell waterproof mechanism (4) is installed on the outer side of the sensor (2).

2. The waterproof magnetostrictive displacement sensor according to claim 1, characterized in that: the interface waterproof mechanism (3) comprises a screw rod (31), a protective sleeve shell (32) and a thread sealing sleeve (33), one end of the screw rod (31) is fixedly connected with the sensor (2), the screw rod (31) is sleeved on the magnetostrictive waveguide tube (5), the protective sleeve shell (32) is sleeved on the screw rod (31), and the thread sealing sleeve (33) is sleeved on the screw rod (31) in a threaded sliding mode and far away from one end of the sensor (2).

3. The waterproof magnetostrictive displacement sensor according to claim 2, characterized in that: the interface waterproof mechanism (3) further comprises a threaded sleeve (34) and a connecting rod (35), the threaded sleeve (34) is sleeved on the screw rod (31) in a threaded sliding mode, one end of the connecting rod (35) is fixedly connected with the outer side of the threaded sleeve (34), and the other end of the connecting rod (35) is fixedly connected with the inner side of the protective casing (32).

4. The waterproof magnetostrictive displacement sensor according to claim 1, characterized in that: casing waterproofing mechanism (4) are including protective housing (41), fastening components (42) and fixed block (43), the fixed cover of sensor (2) one end has connect sealing plate (21), protective housing (41) one end is cup jointed in the sensor (2) outside through sealing plate (21), fastening components (42) are installed in the protective housing (41) other end, sensor (2) other end fixedly connected with fixed block (43), threaded through hole (431) have been seted up on fixed block (43).

5. The waterproof magnetostrictive displacement sensor according to claim 4, characterized in that: fastening components (42) include threaded rod (421), joint piece (422) and fastening hand wheel (423), threaded rod (421) one end screw thread runs through protective housing (41) and screw through hole (431) looks spiro union, joint piece (422) screw sleeve connects on threaded rod (421), and joint piece (422) contradicts with protective housing (41) one end and is connected, fastening hand wheel (423) fixed connection is at the threaded rod (421) other end.

6. A waterproof magnetostrictive displacement sensor according to claim 3, characterized in that: a clamping groove is formed in one end of the cylinder body (1), and the thread sealing sleeve (33) can be in sealing clamping connection with the clamping groove.

7. The waterproof magnetostrictive displacement sensor according to claim 6, characterized in that: the length of the threaded sleeve (34) is half of the length of the protective casing (32), and the length of the threaded sealing sleeve (33) is smaller than that of the threaded sleeve (34).