CN215066751U

CN215066751U - Impact-resistant magnetic-sensitive sensor

Info

Publication number: CN215066751U
Application number: CN202121270873.6U
Authority: CN
Inventors: 董成彦
Original assignee: Huai'an Yingzhi Electromechanical Co ltd
Current assignee: Huai'an Yingzhi Electromechanical Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-07
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to a magnetic-sensing tachometer sensor technical field just discloses a magnetic-sensing sensor who shocks resistance, including the screw thread axle, the right-hand member movable mounting of screw thread axle has the magnetic ring. This magnetic sensor who shocks resistance, through the speed watch-dog or the counter comparison with traditional mechanical type, the utility model discloses a sensor response magnetic ring's mode and non-contact type speed test, the event is difficult for causing the influence to the structure of testing the speed because of receiving impact and vibrations, for the quiet ring mount pad and the casing cooperation that make are inseparabler, the left side of junk ring is provided with the sealing member, be equipped with the spacing groove on the quiet ring mount pad, the inside joint of spacing groove has fixture block and spring, the quiet ring mount pad and the casing connection of messenger are reliable, quiet ring structure relies on the pressure of spring and sealing medium to produce suitable packing force along with the contact jaw of the rotatory rotating movable ring structure of axle and the quiet ring mount pad of non-rotation of axle on, make these two contact terminal surfaces closely laminate, ensure to keep the gas tightness in the in-service use process.

Description

Impact-resistant magnetic-sensitive sensor

Technical Field

The utility model relates to a magnetic-sensing speed sensor technical field specifically is a magnetic-sensing sensor who shocks resistance.

Background

The speed measuring sensor is a sensor which measures the running speed of a measured object and converts the running speed into an output signal. The speed measuring sensor comprises a linear speed measuring sensor and a rotating speed measuring sensor. The speed measuring sensor has important significance in the production process of products, and can carry out automatic and intelligent measurement control on a measured object by being connected with a computer. This is the product of the present combination of measurement and computer technology.

The speed measuring sensor in the prior art usually adopts a proximity switch principle, so that the measuring range is small, the speed measuring sensor cannot adapt to a high-rotating-speed measuring scene, and the traditional mechanical counter is easily influenced by vibration and impact, so that the speed measuring structure is not accurate, the assembly and disassembly are inconvenient, and the air tightness is required to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a magnetic sensor who shocks resistance possesses influence, easy dismounting that can not receive vibrations, impact, and the gas tightness improves advantages such as, has solved easily to receive influence, the dismouting inconvenient of vibrations, impact, and the gas tightness remains the problem that improves.

The utility model provides a technical scheme that its technical problem adopted is: an impact-resistant magnetic sensor comprises a threaded shaft, a magnetic ring is movably arranged at the right end of the threaded shaft, the inside of the magnetic ring is fixedly connected with a fixing bolt, the left end of the fixing bolt is fixedly connected with the inside of the right end of the threaded shaft, the outer wall of the threaded shaft is provided with a groove, the interior of the groove is movably connected with a movable sealing ring, the outer wall of the threaded shaft is fixedly connected with a movable ring structure, the right side of the movable ring structure is provided with a rectangular groove, the outer wall of the right end of the threaded shaft is rotatably connected with a bearing, the right side of the movable ring structure is provided with a static ring structure, the outer wall of the right end of the static ring structure is provided with a mounting structure, a circuit board is arranged inside the mounting structure, the sensor comprises a static ring structure and is characterized in that a partition plate is arranged inside the static ring structure, a sensor body is fixedly connected to the outer wall of the left side of the partition plate, and a sealing element is arranged at the top of the static ring structure.

Further, the quiet ring structure includes quiet ring mount pad, the bottom fixed mounting of quiet ring mount pad is at the top of bearing, the left side fixedly connected with rectangular block of quiet ring mount pad, the through-hole has been seted up at the top of quiet ring mount pad, the inside swing joint of through-hole has the junk ring, the right side fixedly connected with spring of junk ring, spring swing joint is in the inside of spacing groove, the top at quiet ring mount pad is seted up to the spacing groove, first draw-in groove has been seted up to the bottom of quiet ring mount pad inside, the inside of quiet ring mount pad has been close to the right side of first draw-in groove and has been seted up the second draw-in groove, the inside of quiet ring mount pad has been close to the right side of second draw-in groove and has been seted up the third draw-in groove, the fourth draw-in groove has been seted up to the right-hand member of quiet ring mount pad.

Further, mounting structure, which comprises a housin, the left side movable mounting of casing is at the outer wall of quiet ring mount pad, the right side fixedly connected with signal line joint of casing, the mounting groove has been seted up to the left side inside of casing, the inside outer wall that is close to the mounting groove of casing has seted up first joint groove, the inside fixedly connected with fixture block of mounting groove, the inside outer wall that is close to the mounting groove of casing has seted up second joint groove.

Furthermore, the inside joint in second joint groove is in the inside of spacing groove, the both ends swing joint of junk ring is in the inside in first joint groove and second joint groove, the right-hand member fixed connection of spring is in the left side of fixture block.

Further, the inside joint of rectangular channel has the rectangular block, the inside fixed mounting of first draw-in groove has the bearing, the inside joint of third draw-in groove has the baffle, the inside joint of fourth draw-in groove has the circuit board.

Furthermore, a sealing element is clamped at the top, close to the static ring mounting seat, of the left side of the lining ring, the static ring mounting seat is clamped on the inner wall of the mounting groove, and a magnetic ring is movably connected inside the second clamping groove.

The utility model has the advantages that:

1. this magnetic sensor who shocks resistance, through the speed watch-dog or the counter comparison with traditional mechanical type, the utility model discloses a sensor response magnetic ring's mode and non-contact type speed test, the event is difficult for causing the influence to the structure of testing the speed because of receiving impact and vibrations, for the quiet ring mount pad and the casing cooperation that make are inseparabler, the left side of junk ring is provided with the sealing member, be equipped with the spacing groove on the quiet ring mount pad, the inside joint of spacing groove has fixture block and spring, the quiet ring mount pad and the casing connection of messenger are reliable, quiet ring structure relies on the pressure of spring and sealing medium to produce suitable packing force along with the contact jaw of the rotatory rotating movable ring structure of axle and the quiet ring mount pad of non-rotation of axle on, make these two contact terminal surfaces closely laminate, ensure to keep the gas tightness in the in-service use process.

2. The anti-impact magnetic sensor is characterized in that the left end of a threaded shaft is connected with a rotating shaft to be tested through a corresponding locking device, the rotating shaft to be tested rotates to drive the threaded shaft to rotate along with the threaded shaft, a magnetic ring is arranged on the right side of the threaded shaft and also follows the rotating shaft, a sensor body is arranged on one side of a partition plate, when the magnetic ring passes through the sensor body, the sensor body can generate a corresponding pulse, the interval time of two continuous pulses is calculated, the rotating speed to be tested can be calculated, when the magnetic sensor needs to be disassembled, the threaded shaft moves towards the left end, a rectangular block is separated from the inside of a rectangular groove formed in the movable ring structure, then a sealing element is taken out from the left side of a lining ring, the lining ring comes out from the inside of a first clamping groove and a second clamping groove, and a clamping block is separated from the inside of a limiting groove at the same time, the static ring mounting seat is separated from the shell, and the effect of convenient disassembly is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the stationary ring structure of the present invention;

fig. 4 is a schematic view of the installation structure of the present invention.

Description of reference numerals: 1. a threaded shaft; 2. a magnetic ring; 3. fixing the bolt; 4. a groove; 5. a movable sealing ring; 6. a rotating ring structure; 7. a rectangular groove; 8. a bearing; 9. a stationary ring structure; 91. a stationary ring mounting seat; 92. a rectangular block; 93. a through hole; 94. a gasket; 95. a spring; 96. a limiting groove; 97. a first card slot; 98. a second card slot; 99. a third card slot; 910. a fourth card slot; 10. a mounting structure; 101. a housing; 102. a signal line connector; 103. mounting grooves; 104. a first clamping groove; 105. a clamping block; 106. a second clamping groove; 11. a circuit board; 12. a partition plate; 13. a sensor body; 14. and a seal.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-4, a magnetic sensor for impact resistance, which comprises a threaded shaft 1, a magnetic ring 2 is movably mounted at the right end of the threaded shaft 1, a fixing bolt 3 is fixedly connected inside the magnetic ring 2, the left end of the fixing bolt 3 is fixedly connected inside the right end of the threaded shaft 1, a groove 4 is formed in the outer wall of the threaded shaft 1, a movable seal ring 5 is movably connected inside the groove 4, a movable ring structure 6 is fixedly connected to the outer wall of the threaded shaft 1, a rectangular groove 7 is formed in the right side of the movable ring structure 6, a bearing 8 is rotatably connected to the outer wall of the right end of the threaded shaft 1, a stationary ring structure 9 is arranged on the right side of the movable ring structure 6, an installation structure 10 is arranged on the outer wall of the right end of the stationary ring structure 9, a circuit board 11 is arranged inside the installation structure 10, a partition plate 12 is arranged inside the stationary ring structure 9, a sensor body 13 is fixedly connected to the outer wall of the left side of the partition plate 12, and a sealing element 14 is arranged at the top of the stationary ring structure 9.

The stationary ring structure 9 comprises a stationary ring mounting seat 91, the bottom of the stationary ring mounting seat 91 is fixedly mounted on the top of the bearing 8, a rectangular block 92 is fixedly connected to the left side of the stationary ring mounting seat 91, a through hole 93 is formed in the top of the stationary ring mounting seat 91, a lining ring 94 is movably connected to the inside of the through hole 93, a spring 95 is fixedly connected to the right side of the lining ring 94, the spring 95 is movably connected to the inside of a limiting groove 96, the limiting groove 96 is formed in the top of the stationary ring mounting seat 91, a first clamping groove 97 is formed in the bottom end of the stationary ring mounting seat 91, a second clamping groove 98 is formed in the inside of the stationary ring mounting seat 91 close to the right side of the first clamping groove 97, a third clamping groove 99 is formed in the inside of the stationary ring mounting seat 91 close to the right side of the second clamping groove 98, a fourth clamping groove 910 is formed in the right end of the stationary ring mounting seat 91, and compared with a traditional mechanical speed monitor or counter, the utility model adopts a sensor induction mode and non-contact speed measurement, therefore, the speed measuring structure is not easily influenced by impact and vibration, in order to enable the static ring mounting seat 91 and the shell 101 to be matched more tightly, the sealing element 14 is arranged on the top of the static ring mounting seat 91 and the left side of the lining ring 94, the limiting groove 96 is arranged on the static ring mounting seat 91, the clamping block 105 is clamped in the limiting groove 96, the spring 95 is connected to the left side of the clamping block 105, the static ring mounting seat 91 and the shell 101 are reliably connected, the phenomenon that the spring 95 is disabled due to the fact that suspended particles in a medium block the spring 95 is avoided, and the static ring structure 9 generates appropriate pressing force by means of the contact ends of the movable ring structure 6 rotating along with the shaft and the static ring mounting seat 91 not rotating along with the shaft under the pressure of the spring 95 and the sealing medium, so that the two contact end faces are tightly attached to ensure that the air tightness is kept in the actual using process.

The mounting structure 10 comprises a housing 101, the left side of the housing 101 is movably mounted on the outer wall of the stationary ring mounting seat 91, the right side of the housing 101 is fixedly connected with a signal line connector 102, a mounting groove 103 is formed inside the left side of the housing 101, a first clamping groove 104 is formed inside the housing 101 close to the outer wall of the mounting groove 103, a clamping block 105 is fixedly connected inside the mounting groove 103, a second clamping groove 106 is formed inside the housing 101 close to the outer wall of the mounting groove 103, the left end of the threaded shaft 1 is connected with a rotating shaft to be tested through a corresponding locking device, the threaded shaft 1 is driven to rotate along with the rotating shaft to be tested through the rotation of the rotating shaft to be tested, as the magnetic ring 2 is mounted on the right side of the threaded shaft 1, the magnetic ring 2 also follows the rotating shaft, and the sensor body 13 is mounted on one side of the partition plate 12, when the magnetic ring 2 passes through the sensor body 13, the sensor body 13 generates a corresponding pulse, the measured rotating speed can be calculated by calculating the interval time of two continuous pulses, when the magnetic-sensing speed measurement sensor needs to be disassembled, the threaded shaft 1 is moved towards the left end, the rectangular block 92 is separated from the inside of the rectangular groove 7 formed in the movable ring structure 6, then the sealing element 14 is taken out from the left side of the lining ring 94, the lining ring 94 is taken out from the inside of the first clamping groove 104 and the second clamping groove 106, the fixture block 105 is separated from the inside of the limiting groove 96, the static ring mounting seat 91 is separated from the shell 101, and the disassembly facilitating effect is achieved.

The inside of the second clamping groove 106 is clamped inside the limiting groove 96, two ends of the lining ring 94 are movably connected inside the first clamping groove 104 and the second clamping groove 106, and the right end of the spring 95 is fixedly connected to the left side of the clamping block 105.

The inside joint of rectangular channel 7 has rectangular block 92, and the inside fixed mounting of first draw-in groove 97 has bearing 8, and the inside joint of third draw-in groove 99 has baffle 12, and the inside joint of fourth draw-in groove 910 has circuit board 11.

The sealing element 14 is clamped at the top of the left side of the lining ring 94 close to the static ring mounting seat 91, the static ring mounting seat 91 is clamped on the inner wall of the mounting groove 103, and the magnetic ring 2 is movably connected inside the second clamping groove 98.

When in use, compared with the traditional mechanical speed monitor or counter, the utility model adopts the sensor to sense the magnetic ring instead of the non-contact speed measurement, so the speed measurement structure is not easy to be influenced by impact and vibration, in order to ensure that the static ring mounting seat 91 and the shell 101 are matched more closely, the top of the static ring mounting seat 91 and the left side of the lining ring 94 are provided with the sealing element 14, the static ring mounting seat 91 is provided with the limit groove 96, the inside of the limit groove 96 is clamped with the fixture block 105, the left side of the fixture block 105 is connected with the spring 95, the connection between the static ring mounting seat 91 and the shell 101 is reliable, the phenomenon that the spring 95 is blocked by suspended particles in the medium to cause the failure of the spring 95 is avoided, the static ring structure 9 generates proper pressing force by the contact ends of the dynamic ring structure 6 which rotates along with the shaft and the static ring mounting seat 91 which does not rotate along with the shaft depending on the pressure of the spring 95 and the sealing medium, the two contact end faces are tightly attached to ensure that the air tightness is kept in the actual use process, the left end of the threaded shaft 1 is connected with the rotating shaft to be tested through the corresponding locking device, the rotating shaft to be tested rotates to drive the threaded shaft 1 to rotate, the magnetic ring 2 is arranged on the right side of the threaded shaft 1 and also follows the rotating shaft, the sensor body 13 is arranged on one side of the partition plate 12, when the magnetic ring 2 passes through the sensor body 13, the sensor body 13 can generate a corresponding pulse, the interval time of two continuous pulses is calculated, the rotating speed to be tested can be calculated, when the magnetic-sensitive speed measuring sensor needs to be disassembled, the rectangular block 92 is separated from the inside of the rectangular groove 7 arranged in the movable ring structure 6 by moving the threaded shaft 1 to the left end, and then the sealing element 14 is taken out from the left lining ring of the movable ring 94, the lining ring 94 comes out from the inside of the first clamping groove 104 and the second clamping groove 106, and the fixture block 105 is separated from the inside of the limiting groove 96, so that the stationary ring mounting seat 91 is separated from the casing 101, and the effect of convenient disassembly is achieved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An impact-resistant magneto-sensitive sensor comprising a threaded shaft (1), characterized in that: a magnetic ring (2) is movably mounted at the right end of the threaded shaft (1), a fixing bolt (3) is fixedly connected inside the magnetic ring (2), the left end of the fixing bolt (3) is fixedly connected inside the right end of the threaded shaft (1), a groove (4) is formed in the outer wall of the threaded shaft (1), a movable sealing ring (5) is movably connected inside the groove (4), a movable ring structure (6) is fixedly connected to the outer wall of the threaded shaft (1), a rectangular groove (7) is formed in the right side of the movable ring structure (6), a bearing (8) is rotatably connected to the outer wall of the right end of the threaded shaft (1), a stationary ring structure (9) is arranged on the right side of the movable ring structure (6), a mounting structure (10) is arranged on the outer wall of the right end of the stationary ring structure (9), a circuit board (11) is arranged inside the mounting structure (10), a partition board (12) is arranged inside the stationary ring structure (9), the sensor is characterized in that the outer wall of the left side of the partition plate (12) is fixedly connected with a sensor body (13), and a sealing element (14) is arranged at the top of the static ring structure (9).

2. An impact-resistant magneto-sensitive sensor as claimed in claim 1, wherein: the static ring structure (9) comprises a static ring mounting seat (91), the bottom of the static ring mounting seat (91) is fixedly mounted at the top of the bearing (8), the left side of the static ring mounting seat (91) is fixedly connected with a rectangular block (92), the top of the static ring mounting seat (91) is provided with a through hole (93), the inside of the through hole (93) is movably connected with a lining ring (94), the right side of the lining ring (94) is fixedly connected with a spring (95), the spring (95) is movably connected inside a limiting groove (96), the limiting groove (96) is arranged at the top of the static ring mounting seat (91), the bottom end of the static ring mounting seat (91) is internally provided with a first clamping groove (97), the inside of the static ring mounting seat (91) is close to the right side of the first clamping groove (97) and provided with a second clamping groove (98), the inside of the static ring mounting seat (91) is close to the right side of the second clamping groove (98) and provided with a third clamping groove (99), the right end of the static ring mounting seat (91) is provided with a fourth clamping groove (910).

3. An impact-resistant magneto-sensitive sensor as claimed in claim 2, wherein: mounting structure (10), including casing (101), the left side movable mounting of casing (101) is at the outer wall of quiet ring mount pad (91), the right side fixedly connected with signal line connector (102) of casing (101), mounting groove (103) have been seted up to the left side of casing (101) inside, the inside outer wall that is close to mounting groove (103) of casing (101) has seted up first joint groove (104), the inside fixedly connected with fixture block (105) of mounting groove (103), the outside wall that is close to mounting groove (103) of the inside of casing (101) has seted up second joint groove (106).

4. An impact-resistant magneto-sensitive sensor according to claim 3, wherein: the inside joint of second joint groove (106) is in the inside of spacing groove (96), the both ends swing joint of junk ring (94) is in the inside of first joint groove (104) and second joint groove (106), the right-hand member fixed connection of spring (95) is in the left side of fixture block (105).

5. An impact-resistant magneto-sensitive sensor according to claim 4, wherein: the inside joint of rectangular channel (7) has rectangular block (92), the inside fixed mounting of first draw-in groove (97) has bearing (8), the inside joint of third draw-in groove (99) has baffle (12), the inside joint of fourth draw-in groove (910) has circuit board (11).

6. An impact-resistant magneto-sensitive sensor according to claim 5, wherein: the top of the left side of the lining ring (94), which is close to the static ring mounting seat (91), is clamped with a sealing element (14), the inner wall of the mounting groove (103) is clamped with the static ring mounting seat (91), and the inside of the second clamping groove (98) is movably connected with a magnetic ring (2).