CN220151656U - Magnetostrictive displacement sensor and magnet mounting structure - Google Patents
Magnetostrictive displacement sensor and magnet mounting structure Download PDFInfo
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- CN220151656U CN220151656U CN202321581340.9U CN202321581340U CN220151656U CN 220151656 U CN220151656 U CN 220151656U CN 202321581340 U CN202321581340 U CN 202321581340U CN 220151656 U CN220151656 U CN 220151656U
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- 238000009434 installation Methods 0.000 claims description 23
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- 230000009286 beneficial effect Effects 0.000 description 3
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- 230000000670 limiting effect Effects 0.000 description 3
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Abstract
The utility model relates to the technical field of magnet assembly, and provides a magnetostrictive displacement sensor and a magnet mounting structure.
Description
Technical Field
The utility model relates to the technical field of magnet assembly, in particular to a magnetostriction displacement sensor and a magnet mounting structure.
Background
Magnetostrictive displacement sensors are widely used for displacement detection of drivers such as hydraulic cylinders or air cylinders due to the characteristics of high precision, non-contact and the like. The magnetostrictive displacement sensor consists of an induction ruler and a magnet, and at present, the magnetostrictive displacement sensor is usually installed in a mode that the magnet is installed on a piston of an oil cylinder to move along with the piston, and the induction ruler is installed on the end face of the oil cylinder, so that the displacement of the piston is measured.
When the magnet is installed in the traditional mode, the magnetic poles of the magnet are required to be distinguished in advance, and then the magnet is installed on the installation block, so that the dislocation installation of the magnetic poles is prevented, but the magnet installation efficiency is reduced in the distinguishing process.
Disclosure of Invention
The utility model provides a magnetostrictive displacement sensor and a magnet mounting structure, which are used for solving the defect of low magnet mounting efficiency in the prior art.
In a first aspect, the present utility model provides a magnet mounting structure of a magnetostrictive displacement sensor for mounting a magnet module of the magnetostrictive displacement sensor on a piston rod of a driving cylinder, wherein the magnet mounting structure comprises:
the installation piece cup joints on the piston rod, the installation piece is provided with the mounting groove, the mounting groove with magnet module adaptation, the mounting groove with be provided with mistake proofing structure between the magnet module, mistake proofing structure is used for preventing magnet module's magnetic pole installation dislocation.
According to the magnet mounting structure of the magnetostrictive displacement sensor, the magnet module is provided with the first connecting surface, the mounting groove is provided with the second connecting surface, the second connecting surface is used for being connected with the first connecting surface, and the error proofing structure is arranged between the first connecting surface and the second connecting surface.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, the error proofing structure comprises: the first concave-convex structure is arranged on the first connecting surface, the second concave-convex structure is arranged on the second connecting surface, and when the magnet module is matched with the mounting groove and the magnetic pole is mounted correctly, the first concave-convex structure can be matched with the second concave-convex structure.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, the second connecting surface is arranged at the bottom of the mounting groove, and the second concave-convex structure is arranged in the second connecting surface at a position far from the center of the second connecting surface; the first concave-convex structure is arranged at a position far from the center of the first connecting surface.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, the first concave-convex structure is a protrusion arranged on the first connecting surface, and the second concave-convex structure is an insertion hole arranged on the second connecting surface.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, the second connecting surface is arranged on one side of the mounting groove, and the first connecting surface is arranged on one side of the magnet module.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, the first concave-convex structure is the protrusion arranged on the first connecting surface, the second concave-convex structure is the sliding groove arranged on the second connecting surface, and when the first connecting surface corresponds to the second connecting surface, the protrusion can be in sliding fit with the sliding groove so as to connect the magnet module with the mounting groove according to the correct magnetic pole position.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, a fixing structure is arranged between the magnet module and the mounting block, and the fixing structure comprises:
the connecting hole is arranged on the surface of the magnet module;
the fastening holes are arranged on the mounting block, the number of the fastening holes is the same as that of the connecting holes, the positions of the fastening holes correspond to those of the connecting holes, and when the magnet module is mounted in the mounting groove, the connecting holes are connected with the fastening holes through screws so as to fixedly connect the magnet module on the mounting block.
According to the magnet mounting structure of the magnetostrictive displacement sensor provided by the utility model, the magnet module comprises: the magnet and the casing, the casing cover is established the surface of magnet, first junction surface with the connecting hole sets up on the casing.
In a second aspect, the present utility model provides a magnetostrictive displacement sensor comprising a magnet mounting structure of the magnetostrictive displacement sensor as described in the first aspect.
The magnet mounting structure of the magnetostrictive displacement sensor comprises a magnet module and a mounting block, wherein the mounting block is provided with a mounting groove matched with the magnet module, when the magnet mounting structure is used, the magnet module is mounted in the mounting groove, the contact area between the mounting block and the magnet module is increased, the mounting groove has a certain limiting effect on the magnet module, and then the magnet module can be rapidly mounted in the mounting groove at a correct magnetic pole mounting position through an error preventing structure between the mounting groove and the mounting block, so that connection with the mounting block is completed.
The utility model also provides a magnetostrictive displacement sensor, which comprises the magnet mounting structure. The derivation of the beneficial effects is substantially similar to the derivation of the beneficial effects provided by the magnet mounting structure described above, and will not be described in detail herein.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a magnet module according to an embodiment of the present utility model;
FIG. 2 is a front view of a mounting block provided by an embodiment of the present utility model;
FIG. 3 is a schematic view of a mounting block according to an embodiment of the present utility model;
fig. 4 is a schematic view showing a connection state of a magnet module and a mounting block provided by the present utility model.
Reference numerals:
1. a magnet module; 2. a mounting block; 21. a mounting groove; 3. a first connection surface; 31. a first concave-convex structure; 4. a second connection surface; 41. a second concave-convex structure; 5. a fastening hole; 6. and a connection hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, 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.
A magnetostrictive displacement sensor and a magnet mounting structure provided in an embodiment of the utility model are described below with reference to fig. 1 to 4.
The magnet mounting structure of a magnetostrictive displacement sensor provided in this embodiment is used for mounting a magnet module of the magnetostrictive displacement sensor on a piston rod of a driving cylinder, and the magnet mounting structure includes: a magnet module 1, a mounting block 2 and an error proofing structure.
Wherein, the installation piece 2 cup joints on the piston rod, and the installation piece 2 is provided with mounting groove 21, and mounting groove 21 and magnet module 1 adaptation are provided with mistake proofing structure between mounting groove 21 and the magnet module 1, and mistake proofing structure is used for preventing magnet module 1's magnetic pole installation dislocation.
Compared with the prior art, the mounting block 2 is provided with the mounting groove 21 which is matched with the magnet module 1, the mounting block 2 and the magnet module 1 are in plug-in fit through the mounting groove 21, when the mounting block is used, the magnet module 1 is arranged in the mounting groove 21, the contact area between the mounting block 2 and the magnet module 1 is increased, the mounting groove 21 has a certain limiting effect on the magnet module 1, the magnet module 1 can be rapidly arranged in the mounting groove 21 at the correct magnetic pole mounting position through the dislocation preventing structure between the mounting groove 21 and the magnet module 1, and the magnet module 1 is connected with the mounting block 2, so that false assembly is effectively prevented.
As shown in fig. 1, 3 and 4, the magnet has an arc structure, the bottom surface and two sides of the magnet are planes, and the top surface is an arc surface; the installation block 2 is of a cylindrical structure, a U-shaped groove is formed in the cylindrical installation block 2 to serve as an installation groove 21 for installing the magnet module 1, and when the magnet module 1 and the installation groove 21 are installed in a matched mode, the magnet module 1 and the installation groove 21 are connected to form a cylinder.
In this embodiment, the magnet module 1 includes a magnet and a housing, the housing may be made of non-metal materials, such as plastics, nylon, etc., so as to increase friction between the magnet and the mounting block 2, thereby reducing movement of the relative position, and not affecting the magnetic force effect of the magnet on other components, the housing may also reduce the influence of dust on the surface of the magnet, the magnet is mounted in the housing, and may be a small portion of the magnet leaks out of the housing, and the housing is provided with the first connection surface 3 and the connection hole 6.
So set up, through with the magnet suit in the casing, make the casing can play the guard action to the magnet, for the magnet direct with installation piece 2 contact, set up the relative movement between the two magnet and the installation piece 2 of casing reducible, make the connection stable to the casing can play certain cushioning effect, avoids the magnet to receive the vibration impaired.
Further, the magnet module 1 is provided with a first connection face 3, the mounting groove 21 is provided with a second connection face 4, and the error proofing structure is arranged between the first connection face 3 and the second connection face 4.
The error-proofing structure includes a first concave-convex structure 31 disposed on the first connection surface 3, and a second concave-convex structure 41 disposed on the second connection surface 4, where the first concave-convex structure 31 can be matched with the second concave-convex structure 41 when the magnet module 1 is matched with the mounting groove 21 and the magnetic pole position is correct.
By aligning and matching the first concave-convex structure 31 on the first connection surface 3 with the second concave-convex structure 41 on the second connection surface 4, the first connection surface 3 can be matched with the second connection surface 4, so that the magnet module 1 can be ensured to be correctly installed at the magnetic pole position after being installed in the installation groove 21, and whether the magnetic pole is misplaced or not can be judged by the first concave-convex structure 31 and the second concave-convex structure 41 after the installation groove 21 is installed in the magnet module 1. For example, if the first concave-convex structure 31 and the second concave-convex structure 41 cannot be matched, that is, the magnetic pole position of the magnet module 1 is not correctly placed, and the magnet module 1 cannot be completely embedded in the mounting groove 21, the erroneous mounting can be effectively prevented.
In addition, by the engagement of the first concave-convex structure 31 and the second concave-convex structure 41, the magnet module 1 and the mounting block 2 can be positioned, and the relative sliding due to the sliding of the contact surfaces can be prevented.
In a specific embodiment, the first concave-convex structure 31 is a protrusion disposed on the first connection surface 3, and the second concave-convex structure 41 is a jack disposed on the second connection surface 4, where the protrusion and the jack can be in plug-in fit. Alternatively, the first concave-convex structure 31 is an insertion hole provided on the first connection surface 3, and the second concave-convex structure 41 is a protrusion provided on the second connection surface 4; and the number of the protrusions is the same as that of the insertion holes, and the protrusions can correspond to the insertion holes only when the magnetic pole positions of the magnet module 1 are correctly installed.
The protrusions may be columnar structures, such as cylinders, prisms or prisms with irregular cross sections, or tapered structures, and the receptacles may be correspondingly shaped to fit the protrusions.
As shown in fig. 3, the second connection surface 4 is provided at the bottom of the mounting groove 21, is a rectangular surface, and the second concave-convex structure 41 is provided in the second connection surface 4 at a position away from the center thereof; correspondingly, the first connection surface 3 is provided at the bottom of the magnet module 1, which is also a rectangular surface, and the first concave-convex structure 31 is also provided in the first connection surface 3 at a position away from the center thereof.
For example, the second concave-convex structure 41 is provided with one, and is located at a non-center position of the second connection surface 4, which may be a position above, below, left, right, upper left, upper right, lower left, lower right, etc. the center of the second connection surface 4, corresponding to which the first concave-convex structure 31 is also provided, and the first concave-convex structure 31 on the first connection surface 3 and the second concave-convex structure 41 can be adaptively connected when the magnet module 1 is properly mounted to the mounting block 2.
In addition, the second concave-convex structures 41 may be provided in two or more numbers, for example, two second concave-convex structures 41 are located at positions above, below, left, right, left above, right above, left below, right below, etc. the center of the second connecting surface 4 at the same time. Alternatively, when the number is two, the line between the two second concave-convex structures 41 is a diagonal line passing through the center of the second connection surface 4, and cannot be a horizontal line or a vertical line.
Also, when the second concave-convex structure 41 is three or more, it cannot be uniformly disposed around the center of the second connection surface 4.
It should be understood that this is by way of example only and is not intended to limit the location or number of first relief structures 31 and second relief structures 41.
In another specific embodiment, the second connection face 4 is provided on one side in the mounting groove 21 and the first connection face 3 is provided on one side of the magnet module 1. As shown in fig. 2 and 3, the mounting groove 21 is surrounded by three surfaces, and the second concave-convex structure 41 may be disposed on one of the side surfaces, and the first concave-convex structure 31 may be disposed on one side of the magnet module 1, so that the first connection surface 3 is one side surface of the magnet module 1, and the second connection surface 4 is one side surface of the mounting groove 21, so as to ensure that the two side surfaces are correctly connected with the magnet module 1 and the mounting block 2 when correspondingly matched.
Specifically, since the first concave-convex structure 31 and the second concave-convex structure 41 are both disposed on the side surfaces, it is inconvenient to use a plugging and matching manner, so that the first concave-convex structure 31 may be a protrusion disposed on the first connection surface 3, and the second concave-convex structure 41 may be a chute disposed on the second connection surface 4; alternatively, the first concave-convex structure 31 is a chute provided on the first connection surface 3, and the second concave-convex structure 41 is a protrusion provided on the second connection surface 4; when the first connection surface 3 corresponds to the second connection surface 4, the protrusions can be slidably fitted with the sliding grooves to slidably fit the magnet module 1 into the mounting groove 21.
In the present embodiment, the number of the sliding grooves is not particularly limited, but when a plurality of sliding grooves are provided, it is preferable that the plurality of sliding grooves are ensured to be parallel to each other, and only one end of the sliding groove extends to the edge of the second connection surface 4, when the magnet module 1 is fitted with the mounting groove 21, the assembly of the magnet module 1 with the mounting groove 21 is completed by sliding the protrusion from the edge of the second connection surface 4 to the other end along the sliding groove, and the magnetic pole position of the magnet module 1 meets the mounting requirement.
In a specific embodiment, a fixing structure is provided between the magnet module 1 and the mounting block 2, the fixing structure including: the connecting holes 6 are arranged on the surface of the magnet module 1, and the fastening holes 5 are arranged on the mounting block 2, the number of the fastening holes 5 is the same as that of the connecting holes 6, and the positions of the fastening holes are corresponding to those of the connecting holes 6, when the magnet module 1 is installed in the mounting groove 21, the connecting holes 6 are connected with the fastening holes 5 through screws so as to fixedly connect the magnet module 1 on the mounting block 2.
So set up, after loading into mounting groove 21 with magnet module 1, in order to guarantee the connection of magnet module 1 at installation piece 2, set up fastening hole 5 on installation piece 2, fastening screw stretches into in the connecting hole 6 tight magnet module 1 in the top through fastening hole 5, plays the effect of fixed magnet module 1, and this mode is simple swift, can fix magnet module 1 in mounting groove 21, and magnet module 1 is fixed reliably, avoids magnet module 1 to receive the vibration and drops.
The embodiment of the utility model also provides a magnetostrictive displacement sensor, which comprises the magnet mounting structure of the magnetostrictive displacement sensor. The development of the beneficial effects is substantially similar to that brought by the magnet mounting structure of the magnetostrictive displacement sensor, and will not be repeated here.
In addition, the embodiment of the utility model also provides a driving cylinder which comprises the magnetostrictive displacement sensor.
The driver may be a hydraulic cylinder or an air cylinder, and the magnet mounting structure of the magnetostrictive displacement sensor is mounted on the piston rod of the hydraulic cylinder, so that the magnet module 1 and the mounting block 2 can be rapidly assembled by adopting the magnet mounting structure, and the correct mounting of the magnetic pole position of the magnet module 1 can be realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A magnet mounting structure of a magnetostrictive displacement sensor, characterized by a magnet module (1) for mounting the magnetostrictive displacement sensor on a piston rod of a driving cylinder, wherein the magnet mounting structure comprises:
the installation piece (2) is sleeved on the piston rod, the installation piece (2) is provided with a mounting groove (21), the mounting groove (21) with magnet module (1) adaptation, the mounting groove with be provided with mistake proofing structure between the magnet module, mistake proofing structure is used for preventing the magnetic pole installation dislocation of magnet module (1).
2. Magnet mounting structure of a magnetostrictive displacement sensor according to claim 1, characterized in that the magnet module (1) is provided with a first connection surface (3), the mounting groove (21) is provided with a second connection surface (4), the second connection surface (4) is adapted to be connected with the first connection surface (3), the error proofing structure is arranged between the first connection surface (3) and the second connection surface (4).
3. The magnet mounting structure of a magnetostrictive displacement sensor according to claim 2, wherein the error proofing structure comprises: the first concave-convex structure (31) is arranged on the first connecting surface (3), the second concave-convex structure (41) is arranged on the second connecting surface (4), and when the magnet module (1) is matched with the mounting groove (21) and the magnetic pole position is correct, the first concave-convex structure (31) can be matched with the second concave-convex structure (41).
4. A magnet mounting structure of a magnetostrictive displacement sensor according to claim 3, characterized in that the second connecting surface (4) is provided at the bottom of the mounting groove (21), and the second concave-convex structure (41) is provided in the second connecting surface (4) at a position away from the center thereof; the first concave-convex structure (31) is arranged at a position far from the center of the first connecting surface (3).
5. The magnet mounting structure of a magnetostrictive displacement sensor according to claim 4, wherein the first concave-convex structure (31) is a protrusion provided on the first connecting surface (3), and the second concave-convex structure (41) is a receptacle provided on the second connecting surface (4).
6. A magnet mounting structure of a magnetostrictive displacement sensor according to claim 3, characterized in that the second connecting surface (4) is arranged on one side in the mounting groove (21), and the first connecting surface (3) is arranged on one side of the magnet module (1).
7. The magnet mounting structure of a magnetostrictive displacement sensor according to claim 6, wherein the first concave-convex structure (31) is a protrusion provided on the first connecting surface (3), the second concave-convex structure (41) is a sliding groove provided on the second connecting surface (4), and the protrusion is slidably engaged with the sliding groove when the first connecting surface (3) corresponds to the second connecting surface (4) to connect the magnet module (1) with the mounting groove (21) at a correct magnetic pole position.
8. A magnet mounting structure of a magnetostrictive displacement sensor according to any of claims 3-7, characterized in that a fixation structure is provided between the magnet module (1) and the mounting block (2), the fixation structure comprising:
a connecting hole (6) arranged on the surface of the magnet module (1);
the fastening holes (5) are formed in the mounting block (2), the number of the fastening holes (5) is the same as that of the connecting holes (6), the positions of the fastening holes correspond to each other, and when the magnet module (1) is mounted in the mounting groove (21), the connecting holes (6) are connected with the fastening holes (5) through screws so as to fixedly connect the magnet module (1) to the mounting block (2).
9. The magnet mounting structure of a magnetostrictive displacement sensor according to claim 8, characterized in that the magnet module (1) comprises: the magnet and the shell are sleeved on the outer surface of the magnet, and the first concave-convex structure (31) and the connecting hole (6) are formed in the shell.
10. A magnetostrictive displacement sensor comprising a magnet mounting structure of the magnetostrictive displacement sensor according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321581340.9U CN220151656U (en) | 2023-06-20 | 2023-06-20 | Magnetostrictive displacement sensor and magnet mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321581340.9U CN220151656U (en) | 2023-06-20 | 2023-06-20 | Magnetostrictive displacement sensor and magnet mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151656U true CN220151656U (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321581340.9U Active CN220151656U (en) | 2023-06-20 | 2023-06-20 | Magnetostrictive displacement sensor and magnet mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151656U (en) |
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2023
- 2023-06-20 CN CN202321581340.9U patent/CN220151656U/en active Active
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