CN221006365U - Anti-interference type magneto-sensitive position sensor - Google Patents

Abstract

The utility model relates to the technical field of magnetic sensitive position sensors, and particularly discloses an anti-interference magnetic sensitive position sensor which comprises a first installation shell and a second installation shell, wherein one side of the first installation shell is fixedly connected with a connecting block, one side of the second installation shell is provided with a connecting groove, the connecting block is matched with the connecting groove, a magnetic sensitive element is detachably connected in the first installation shell, a lower round block is arranged in the second installation shell, a third spring is arranged on the lower round block, an upper round block is arranged on the third spring, a limiting block is fixed on the round block, a limiting seat is arranged at the bottom side of the magnetic sensitive element, a limiting groove is formed in the limiting seat, after the first installation shell is moved, the magnetic sensitive element can be pressed and fixed in a sensor shell, the magnetic sensitive element is prevented from swinging, the magnetic sensitive element is more stable and reliable to install, and the service life of the magnetic sensitive element is prolonged, and therefore, the high-efficiency operation of a joint shaft of bed equipment for installing the magnetic sensitive position sensor is guaranteed.

Description

Anti-interference type magneto-sensitive position sensor

Technical Field

The utility model relates to the technical field of magnetic-sensitive position sensors, in particular to an anti-interference magnetic-sensitive position sensor.

Background

The magnetic sensitive position sensor is a sensor capable of measuring the position or motion track of an object, and is used for detecting the position or motion state of the object by utilizing the change of a magnetic field, and generally comprises a magnetic sensitive element, a signal conditioning circuit, a shell and the like, wherein the magnetic sensitive element is a core part of the sensor and can convert a magnetic field signal into an electric signal, the common magnetic sensitive element comprises a Hall element, a magnetoresistive element and the like, in the anti-interference type magnetic sensitive position sensor, the magnetic sensitive element generally adopts a magnetic sensitive element with high sensitivity and low noise so as to improve the sensitivity and the anti-interference capability of the sensor, and in the numerical control machine application, the magnetic sensitive sensor is generally arranged on each joint shaft of the machine tool, such as an X shaft, a Y shaft, a Z shaft and the like, and can measure the position and the motion of the joint shaft and provide accurate feedback signals so as to realize the automatic control and the positioning accuracy of the machine tool.

The prior art magneto-sensitive sensor shell has integral type and split type two kinds, because the magneto-sensitive element is installed in integral type shell, be difficult to overhaul and maintain after the magneto-sensitive element damages, split type adopts screwed connection, dismantle also not convenient fast, and install the clamp on the shell, clamp both sides screw thread screw utilizes the screw to select into on the erection equipment, but screw installation is dismantled more troublesome equally, it is inconvenient to overhaul and maintain, also can cause the injury to equipment, in addition, the magneto-sensitive element is installed inadequately stably in the shell, joint axle activity in-process probably can lead to the magneto-sensitive element to rock and can influence the sensitivity of magneto-sensitive sensor, need improve for this.

For this reason, we propose an anti-interference magneto-sensitive position sensor to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide an anti-interference type magneto-sensitive position sensor, which aims to solve the problems that in the prior art, the shells of the magneto-sensitive sensor are provided with an integrated shell and a split shell, as the magneto-sensitive element is arranged in the integrated shell, the magneto-sensitive element is difficult to overhaul and maintain after being damaged, the split shell is connected by screws, the disassembly is not fast and convenient, a clamp is arranged on the shell, threaded screws on two sides of the clamp are selected on installation equipment by the screws, the installation and the disassembly of the screws are troublesome, the overhaul and the maintenance are inconvenient, the equipment is damaged, and in addition, the magneto-sensitive element is not stable enough to install in the shell, and the shaking of the magneto-sensitive element possibly causes the problem that the sensitivity of the magneto-sensitive sensor is influenced in the joint shaft moving process.

In order to achieve the above purpose, the utility model provides an anti-interference type magnetic sensitive position sensor, which comprises a first installation shell and a second installation shell, wherein one side of the first installation shell is fixedly connected with a connecting block, one side of the second installation shell is provided with a connecting groove, the connecting block is matched with the connecting groove, a magnetic sensitive element is detachably connected in the first installation shell, one side of the magnetic sensitive element is fixedly connected with a data wire, one side of the data wire extends out of the first installation shell, a pressing component is fixedly connected between the first installation shell and the second installation shell, two sides of the second installation shell are fixedly connected with fixing blocks, the lower side of each fixing block is in fit connection with a bottom plate, an installation component is fixedly connected between the bottom plate and each fixing block, two sides of the second installation shell are fixedly connected with a second fixing component, and one side of each second fixing component is fixedly connected with a reinforcing component.

As the preferable technical scheme, the installation component includes laminating groove, laminating piece, first fixed subassembly, the inside at the fixed block is seted up in the laminating groove, laminating piece fixed connection is in the upper end both sides of bottom plate, first fixed subassembly fixed connection is in the both sides of laminating piece, laminating piece passes through first fixed subassembly and laminating groove fixed connection.

As the preferable technical scheme, first fixed subassembly includes first spring, first spring fixed connection is in the inside of laminating piece, the one end fixedly connected with ejector pad of first spring, the one end fixedly connected with inserted bar that first spring was kept away from to the ejector pad, the slot has all been seted up to the both sides inner wall of fixed block, inserted bar and slot peg graft mutually, the one end fixedly connected with slide bar that the ejector pad is close to first spring, one side and laminating piece sliding connection of slide bar.

As the preferred technical scheme, compress tightly the subassembly and include down the circle piece, circle piece fixed connection is in the inside of second installation shell down, the top fixedly connected with second spring of circle piece down, the top fixedly connected with of second spring goes up the circle piece, the top fixedly connected with stopper of going up the circle piece, the one end fixedly connected with spacing seat that the magneto sensor is close to the stopper, the spacing groove has been seted up to one side of spacing seat, spacing groove and stopper swing joint, spacing groove and stopper are hexagonal structure.

As the preferable technical scheme, the top fixedly connected with outer tube of lower button, the inside sliding connection of outer tube has the inner tube, the top of inner tube and the bottom fixed connection of last button, outer tube and inner tube all are located the inboard of second spring.

As the preferred technical scheme, the second fixed subassembly includes the fixed plate, fixed plate fixed connection is in one side of strengthening the subassembly, one side fixedly connected with third spring of fixed plate, the one end fixedly connected with card folded plate of fixed plate is kept away from to the third spring, the card folded plate sets up for the slope, the card hole has all been seted up to the both sides of first installation shell, one side and the card hole swing joint of card folded plate.

As the preferable technical scheme, one end fixedly connected with articulated seat of fixed plate, one side of articulated seat rotates and is connected with the articulated piece, one side of articulated piece and one side fixed connection of card folded plate, the articulated piece is located the top of third spring.

As the preferable technical scheme, the reinforcement component comprises a chute, the chute is arranged on the second installation shell, a sliding block is connected in the chute in a sliding manner, the top end of the sliding block is fixedly connected with the bottom end of the fixing plate, a fourth spring is fixedly connected between the sliding block and the chute, a pull rod is fixedly connected with one end, close to the fourth spring, of the sliding block, and one side of the pull rod is in sliding connection with the second installation shell.

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

According to the utility model, the lower round block is arranged in the second installation shell, the third spring is arranged on the lower round block, the upper round block is arranged on the third spring, the limiting block is fixed on the round block, the limiting seat is arranged at the bottom side of the magnetic sensitive element, the limiting groove is formed in the limiting seat, and after the first installation shell is moved to fix the second installation shell, the magnetic sensitive element can be pressed and fixed in the sensor shell, so that the magnetic sensitive element is prevented from shaking, the magnetic sensitive element is more stable and reliable to be installed, the service life of the magnetic sensitive element is prolonged, and therefore, the high-efficiency operation of the joint shaft of the bed equipment for installing the magnetic sensitive position sensor is ensured.

In the second embodiment of the utility model, when the first installation shell and the second installation shell are disassembled, an operator presses the clamping plate, the clamping plate moves under the action of the third spring under the action of pressure, and meanwhile, the hinge block rotates on the hinge seat, so that the clamping plate can be driven to move to leave the clamping holes on two sides of the first installation shell, and then a pulling force is applied to the first installation shell or the second installation shell to separate the first installation shell and the second installation shell, so that the first installation shell and the second installation shell are convenient to maintain, convenience is provided for maintenance work, and the reinforcing component is arranged, so that the first installation shell and the second installation shell are convenient and firm through the second fixing component.

Thirdly, in the utility model, when the sensor shell is disassembled, an operator pushes the push block, the push block drives the inserted link to move, and the inserted link moves in the slot, so that after the inserted link is separated from the slot, the attaching block on the bottom plate is separated from the fixing block on the second installation shell, the sensor shell is conveniently and quickly taken down, and the bottom plate is fixed on the joint shaft of the machine tool equipment without disassembly, so that the damage to the installation position caused by frequent disassembly and assembly of the traditional screw can be avoided, the joint shaft of the equipment is protected, and the convenience of disassembly of the magnetic-sensitive position sensor is improved.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of a fixed block structure according to the present utility model;

FIG. 4 is a schematic view showing the internal structure of a second mounting case according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;

FIG. 6 is a schematic view of the first mounting case of the present utility model;

fig. 7 is a schematic structural diagram of the pressing assembly in the present utility model.

In the figure: 1. a first mounting case; 2. a second mounting case; 3. a data line; 4. a bottom plate; 5. a fixed block; 6. a mounting assembly; 61. a bonding groove; 62. a bonding block; 63. a first fixing assembly; 631. a first spring; 632. a pushing block; 633. a rod; 634. a slot; 635. a slide bar; 7. a connecting groove; 8. a connecting block; 9. a magneto-sensitive element; 10. a compression assembly; 101. a lower round block; 102. a second spring; 103. loading round blocks; 104. a limiting block; 105. a limit seat; 106. a limit groove; 107. an outer tube; 108. an inner tube; 11. a second fixing assembly; 111. a fixing plate; 112. a third spring; 113. a card folded plate; 114. a hinge block; 115. a hinge base; 116. a clamping hole; 12. a reinforcement assembly; 121. a chute; 122. a slide block; 123. a fourth spring; 124. and (5) a pull rod.

Detailed Description

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

Referring to fig. 1-7, in the embodiment of the utility model, an anti-interference magnetic sensitive position sensor comprises a first installation shell 1 and a second installation shell 2, wherein the first installation shell 1 and the second installation shell 2 are made of metal materials, so that the anti-interference capability and the mechanical strength of the sensor are improved, a filter can be added at the input end of the sensor, high-frequency noise and interference signals can be filtered, one side of the first installation shell 1 is fixedly connected with a connecting block 8, one side of the second installation shell 2 is provided with a connecting groove 7, the connecting block 8 is matched with the connecting groove 7, the inside of the first installation shell 1 is detachably connected with a magnetic sensitive element 9, one side of the magnetic sensitive element 9 is fixedly connected with a data wire 3, one side of the data wire 3 extends out of the first installation shell 1, a compression component 10 is fixedly connected between the first installation shell 1 and the second installation shell 2, two sides of the second installation shell 2 are fixedly connected with a fixed block 5, the lower side of the fixed block 5 is in a fitting connection with a bottom plate 4, a fixed component 6 is fixedly connected between the bottom plate 4 and the fixed block 5, two sides of the second installation shell 2 are fixedly connected with a second fixed component 11, and one side of the second fixed component 11 is fixedly connected with a second fixed component 11; through installing lower circle 101 in second installation shell 2, install third spring 112 on the circle 101 down, install circle 103 on the third spring 112, fixed stopper 104 on the circle, and install spacing seat 105 at the magnetosensitive element 9 downside, set up spacing groove 106 in the spacing seat 105, after moving first installation shell 1 makes second installation shell 2 fixed, can make magnetosensitive element 9 compressed tightly and fix in the sensor casing, prevent magnetosensitive element 9 rock, make magnetosensitive element 9 install more reliable and more stable, the life of magnetosensitive element 9 is prolonged, thereby for the bed equipment joint axle high-efficient work of installation magnetosensitive position sensor provides the guarantee.

Referring to fig. 1-3, the mounting assembly 6 includes a fitting groove 61, a fitting block 62, and a first fixing assembly 63, the fitting groove 61 is formed in the fixing block 5, the fitting block 62 is fixedly connected to two sides of the upper end of the bottom plate 4, the first fixing assembly 63 is fixedly connected to two sides of the fitting block 62, the fitting block 62 is fixedly connected to the fitting groove 61 through the first fixing assembly 63, the first fixing assembly 63 includes a first spring 631, the first spring 631 is fixedly connected to the inside of the fitting block 62, one end of the first spring 631 is fixedly connected with a push block 632, one end of the push block 632 away from the first spring 631 is fixedly connected with an inserting rod 633, two side inner walls of the fixing block 5 are formed with slots 634, the inserting rod 633 is inserted into the slots 634, one end of the push block 632 close to the first spring 631 is fixedly connected with a sliding rod 635, and one side of the sliding rod 635 is slidingly connected to the fitting block 62; through setting up installation component 6, make its fixed block 5 that is connected with second installation shell 2 be located bottom plate 4 top, then press and make laminating piece 62 insert in laminating groove 61, laminating piece 62 is fixed with laminating groove 61 through first fixed subassembly 63, make second installation shell 2 fixed with bottom plate 4, through setting up first fixed subassembly 63, operating personnel promotes push block 632, make push block 632 drive inserted bar 633 remove with slot 634 separation, can take off second installation shell 2 from bottom plate 4, set up first spring 631, can make inserted bar 633 reset, set up slide bar 635, make inserted bar 633 stably remove.

Referring to fig. 4 and 7, the pressing assembly 10 includes a lower round block 101, the lower round block 101 is fixedly connected to the inside of the second installation shell 2, the top end of the lower round block 101 is fixedly connected with a second spring 102, the top end of the second spring 102 is fixedly connected with an upper round block 103, the top end of the upper round block 103 is fixedly connected with a limiting block 104, one end of the magneto-sensitive element 9, which is close to the limiting block 104, is fixedly connected with a limiting seat 105, one side of the limiting seat 105 is provided with a limiting groove 106, the limiting groove 106 is movably connected with the limiting block 104, the limiting groove 106 and the limiting block 104 are of a hexagonal structure, the top end of the lower round block 101 is fixedly connected with an outer tube 107, an inner tube 108 is slidably connected to the inside of the outer tube 107, the top end of the inner tube 108 is fixedly connected with the bottom end of the upper round block 103, and the outer tube 107 and the inner tube 108 are both located inside the second spring 102; through setting up and compressing tightly subassembly 10, second spring 102 is fixed down between round piece 101 and the round piece 103, lower round piece 101 is fixed in second installation shell 2, and go up round piece 103 and fix stopper 104, fixed spacing seat 105 under the magneto-sensitive element 9, set up spacing groove 106 in the spacing seat 105, hexagonal stopper 104 inserts in spacing groove 106, can prevent stopper 104 slip, under the effect of first spring 631, can compress tightly the magneto-sensitive element 9 fixedly, through setting up inner tube 108 and sliding in outer tube 107, restriction second spring 102 makes stopper 104 steady movement, can not the off tracking, thereby convenient quick butt joint with spacing groove 106.

Referring to fig. 1 and 5, the second fixing assembly 11 includes a fixing plate 111, the fixing plate 111 is fixedly connected to one side of the reinforcing assembly 12, one side of the fixing plate 111 is fixedly connected with a third spring 112, one end of the third spring 112 away from the fixing plate 111 is fixedly connected with a clamping plate 113, the clamping plate 113 is obliquely arranged, clamping holes 116 are formed in two sides of the first mounting shell 1, one side of the clamping plate 113 is movably connected with the clamping holes 116, one end of the fixing plate 111 is fixedly connected with a hinge seat 115, one side of the hinge seat 115 is rotatably connected with a hinge block 114, one side of the hinge block 114 is fixedly connected with one side of the clamping plate 113, and the hinge block 114 is located above the third spring 112; through setting up the fixed subassembly of second 11, card folded plate 113 is gone into in card hole 116 through the third spring 112 card on the fixed plate 111, makes first installation shell 1 and second installation shell 2 fixed, and card folded plate 113 is the slope setting, is close to first installation shell 1 when not receiving third spring 112 effort, presses the bellied position of card folded plate 113, can make card folded plate 113 rotate and make it leave card hole 116, can make first installation shell 1 and second installation shell 2 dismantle, through setting up articulated seat 115 and articulated piece 114 for card folded plate 113 can rotate on fixed plate 111.

Referring to fig. 5, the reinforcement assembly 12 includes a chute 121, the chute 121 is formed in the second installation shell 2, a sliding block 122 is slidably connected in the chute 121, a top end of the sliding block 122 is fixedly connected with a bottom end of the fixing plate 111, a fourth spring 123 is fixedly connected between the sliding block 122 and the chute 121, one end of the sliding block 122, which is close to the fourth spring 123, is fixedly connected with a pull rod 124, and one side of the pull rod 124 is slidably connected with the second installation shell 2; by providing the reinforcement assembly 12, the fourth spring 123 is connected with the slider 122, and the slider 122 is connected with the fixing plate 111, so that elastic pressure can be provided for the clamping plate 113, so that the clamping plate is pressed against the first installation shell 1, and the slider 122 can be driven to slide in the sliding groove 121 through the pull rod 124.

The working principle of the utility model is as follows: by installing the lower round block 101 in the second installation shell 2, installing the third spring 112 on the lower round block 101, installing the upper round block 103 on the third spring 112, fixing the limiting block 104 on the round block, installing the limiting seat 105 on the bottom side of the magnetic sensor 9, forming the limiting groove 106 in the limiting seat 105, moving the first installation shell 1 to fix the second installation shell 2, then pressing and fixing the magnetic sensor 9 in the sensor shell, preventing the magnetic sensor 9 from shaking, making the installation of the magnetic sensor 9 more stable and reliable, prolonging the service life of the magnetic sensor 9, when the first installation shell 1 and the second installation shell 2 need to be removed from the bottom plate 4, the operator pushes the push block 632, the push block 632 drives the insert 633 to move, and as the insert 633 moves in the slot 634, after the insert 633 is separated from the slot 634, the bonding block 62 on the bottom plate 4 is separated from the fixed block 5 on the second installation shell 2, the sensor shell is convenient and quick to take down, because the bottom plate 4 is fixed on the joint shaft of the machine tool equipment and does not need to be disassembled, the damage to the installation position caused by the frequent disassembly and assembly of the traditional screw can be avoided, the joint shaft of the equipment is protected, the convenience of the disassembly of the magnetic sensitive position sensor is improved, when the first installation shell 1 and the second installation shell 2 are disassembled, an operator presses the clamping plate 113, the clamping plate 113 is stressed to move under the action of the third spring 112, meanwhile, the hinging block 114 rotates on the hinging seat 115, the clamping plate 113 can be driven to move so as to leave the clamping holes 116 at two sides of the first installation shell 1, then a pulling force is applied to the first installation shell 1 or the second installation shell 2 to separate the two, thereby the maintenance of the internal magnetic sensitive element 9 is convenient, the maintenance work is facilitated, the reinforcing component 12 is arranged, the first mounting shell 1 is conveniently and firmly mounted with the second mounting shell 2 through the second fixing assembly 11.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides an anti-interference type magneto-sensitive position sensor, includes first installation shell and second installation shell, its characterized in that, one side fixedly connected with connecting block of first installation shell, the spread groove has been seted up to one side of second installation shell, connecting block and spread groove assorted, the inside of first installation shell is dismantled and is connected with the magneto-sensitive element, one side fixedly connected with data line of magneto-sensitive element, one side of data line stretches out first installation shell, fixedly connected with compresses tightly the subassembly between first installation shell and the second installation shell, the equal fixedly connected with fixed block in both sides of second installation shell, the downside laminating of fixed block is connected with the bottom plate, fixedly connected with installation component between bottom plate and the fixed block, the equal fixedly connected with second fixed component in both sides of second installation shell, one side fixedly connected with reinforcing component of second fixed component.

2. The anti-interference type magnetic-sensing position sensor according to claim 1, wherein the mounting assembly comprises a fitting groove, a fitting block and a first fixing assembly, the fitting groove is formed in the fixing block, the fitting block is fixedly connected to two sides of the upper end of the bottom plate, the first fixing assembly is fixedly connected to two sides of the fitting block, and the fitting block is fixedly connected with the fitting groove through the first fixing assembly.

3. The anti-interference type magnetic-sensing position sensor according to claim 2, wherein the first fixing component comprises a first spring, the first spring is fixedly connected to the inside of the attaching block, one end of the first spring is fixedly connected with a push block, one end of the push block, which is far away from the first spring, is fixedly connected with a plug rod, slots are formed in inner walls of two sides of the fixing block, the plug rod is connected with the slots in an inserting mode, one end, which is close to the first spring, of the push block is fixedly connected with a slide rod, and one side of the slide rod is in sliding connection with the attaching block.

4. The anti-interference type magneto-sensitive position sensor according to claim 1, wherein the pressing component comprises a lower round block, the lower round block is fixedly connected to the inside of the second installation shell, the top end of the lower round block is fixedly connected with a second spring, the top end of the second spring is fixedly connected with an upper round block, the top end of the upper round block is fixedly connected with a limiting block, one end of the magneto-sensitive element, which is close to the limiting block, is fixedly connected with a limiting seat, one side of the limiting seat is provided with a limiting groove, the limiting groove is movably connected with the limiting block, and the limiting groove and the limiting block are of a hexagonal structure.

5. The anti-interference magneto-dependent position sensor of claim 4, wherein the top end of the lower round block is fixedly connected with an outer pipe, an inner pipe is slidably connected in the outer pipe, the top end of the inner pipe is fixedly connected with the bottom end of the upper round block, and the outer pipe and the inner pipe are both positioned on the inner side of the second spring.

6. The anti-interference type magneto-sensitive position sensor according to claim 1, wherein the second fixing component comprises a fixing plate, the fixing plate is fixedly connected to one side of the reinforcing component, a third spring is fixedly connected to one side of the fixing plate, a clamping plate is fixedly connected to one end, far away from the fixing plate, of the third spring, the clamping plate is obliquely arranged, clamping holes are formed in two sides of the first mounting shell, and one side of the clamping plate is movably connected with the clamping holes.

7. The anti-interference magneto-sensitive position sensor of claim 6, wherein one end of the fixed plate is fixedly connected with a hinge seat, one side of the hinge seat is rotatably connected with a hinge block, one side of the hinge block is fixedly connected with one side of the clamping plate, and the hinge block is positioned above the third spring.

8. The anti-interference type magneto-sensitive position sensor according to claim 1, wherein the reinforcement assembly comprises a chute, the chute is formed in the second installation shell, a sliding block is connected inside the chute in a sliding mode, the top end of the sliding block is fixedly connected with the bottom end of the fixing plate, a fourth spring is fixedly connected between the sliding block and the chute, one end, close to the fourth spring, of the sliding block is fixedly connected with a pull rod, and one side of the pull rod is connected with the second installation shell in a sliding mode.