CN208296854U - A kind of all-sealed Hall mileage speed probe - Google Patents
A kind of all-sealed Hall mileage speed probe Download PDFInfo
- Publication number
- CN208296854U CN208296854U CN201820981326.0U CN201820981326U CN208296854U CN 208296854 U CN208296854 U CN 208296854U CN 201820981326 U CN201820981326 U CN 201820981326U CN 208296854 U CN208296854 U CN 208296854U
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- pressure ring
- terminal
- pcb assembly
- step structure
- wall
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Abstract
The utility model proposes a kind of all-sealed Hall mileage speed probes, including aluminum enclosure and the terminal being mounted at aluminum enclosure top end opening that coincide, inner walls two step structures annular in shape, pressure ring outer wall be also in step structure and coincide inner walls first layer step structure shelve；Magnet steel shaft outer wall be also in step structure and coincide inner walls second step structure shelve；Terminal, PCB assembly, pressure ring and the fitting installation of magnet steel shaft upper and lower side；Inserted sheet is welded in PCB assembly upper surface, and hall device is welded in lower end surface；PCB assembly is installed between terminal and pressure ring and inserted sheet is installed in terminal, hall device is installed in mounting groove of the pressure ring bottom end in protrusion；The top of magnet steel shaft is equipped with groove, and spring is installed in groove bottom end, and the spring upper end is equipped with ball, and the mounting groove of pressure ring bottom end compresses ball.The utility model solve it is poorly sealed in the prior art cause sensor detection accuracy inaccurate, or even the problem of damage.
Description
Technical field
The utility model relates to a kind of all-sealed Hall mileage speed probes.
Background technique
Hall mileage speed probe connection-peg, component are equal to there are gas leakage, leak, not dust-proof etc. to ask between shell at present
Topic, leads to the sensitivity decrease or failure of inductor, therefore, there is an urgent need for a kind of totally enclosed sensor structure is designed, to solve
Design structure itself is influenced caused by sensor life-time and accuracy.
Utility model content
The utility model proposes a kind of all-sealed Hall mileage speed probes, solve poorly sealed in the prior art
The problem of it is inaccurate to lead to sensor detection accuracy, or even damages.
The technical solution of the utility model is achieved in that
A kind of all-sealed Hall mileage speed probe, including aluminum enclosure 7 and coincide and be mounted on 7 top of aluminum enclosure and open
Terminal 1 at mouthful, further includes upper seal 2, inserted sheet 3, PCB assembly 4, pressure ring 5, lower seal 6 and magnet steel shaft 8, the shell
7 inner wall of body, two step structures annular in shape, 5 outer wall of pressure ring are also in the first layer of step structure and 7 inner wall of shell that coincide
Step structure is shelved；8 outer wall of magnet steel shaft be also in step structure and coincide 7 inner wall of shell second step structure shelve；
The terminal 1, PCB assembly 4, pressure ring 5 and the fitting installation of 8 upper and lower side of magnet steel shaft；Weld inserted sheet in 4 upper surface of PCB assembly
3, hall device 9 is welded in lower end surface；The PCB assembly 4 is installed between the terminal 1 and pressure ring 5 and inserted sheet 3 is installed on terminal
1 is interior, hall device 9 is installed in mounting groove 12 of 5 bottom end of pressure ring in protrusion；The top of the magnet steel shaft 8 is equipped with groove, recessed
Spring 10 is installed at slot bottom end, and 10 upper end of spring is equipped with ball 11, and the mounting groove 12 of 5 bottom end of pressure ring compresses ball 11.
Preferably, the lower end surface of the terminal 1 is equipped with the protrusion 13 of uniform intervals setting, and the outer diameter of the PCB assembly 4 omits
Less than the outer diameter of terminal 1 and pressure ring and edge is equipped with the defect 14 of uniform intervals setting, the described raised 13 corresponding and insertions that coincide
In defect 14.
Preferably, between 4 three's contact surface of the terminal 1 and pressure ring 5 and PCB assembly, the of pressure ring 5 and 7 inner wall of shell
Upper seal 2 and lower seal 6 are respectively equipped between one layer of step structure contact surface.
The utility model is the beneficial effects are as follows: (1) can effectively solve terminal and aluminium by the upper seal of design
Existing sealing problem after shell riveting, and assemble simple and convenient；(2) by the way that phase interworking is arranged on terminal and PCB assembly
The protrusion and defect sturcture of conjunction solve the problems, such as that PCB assembly and terminal relatively rotate and influence the accuracy of detection, and structure is more steady
It is fixed reliable；(3) assembling structure of straight riveting formula, assembly is simple and uses upper-lower seal circle, seals more reliable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall schematic of the utility model.
Fig. 2 is the sectional view of the utility model.
Fig. 3 is the structural assembly diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of all-sealed Hall mileage speed probe as shown in Figs. 1-3, including aluminum enclosure 7 and coincide and be mounted on aluminium
Terminal 1 at 7 top end opening of shell further includes that upper seal 2, inserted sheet 3, PCB assembly 4, pressure ring 5, lower seal 6 and magnet steel turn
Axis 8,7 inner wall of shell, two step structures annular in shape, 5 outer wall of pressure ring are also in step structure and coincide in shell 7
The first layer step structure of wall is shelved；8 outer wall of magnet steel shaft is also in the second step of step structure and 7 inner wall of shell that coincide
Structure is shelved；The terminal 1, PCB assembly 4, pressure ring 5 and the fitting installation of 8 upper and lower side of magnet steel shaft；4 upper surface of PCB assembly
Inserted sheet 3 is welded, hall device 9 is welded in lower end surface；The PCB assembly 4 is installed between the terminal 1 and pressure ring 5 and inserted sheet 3 is pacified
Loaded in terminal 1, hall device 9 be installed on 5 bottom end of pressure ring in protrusion mounting groove 12 in；The top of the magnet steel shaft 8 is set
Fluted, spring 10 is installed in groove bottom end, and 10 upper end of spring is equipped with ball 11, and the mounting groove 12 of 5 bottom end of pressure ring is pressed
Tight ball 11.
In the present embodiment, the lower end surface of terminal 1 is equipped with the protrusion 13 of uniform intervals setting, and the outer diameter of the PCB assembly 4 omits
Less than the outer diameter of terminal 1 and pressure ring and edge is equipped with the defect 14 of uniform intervals setting, the described raised 13 corresponding and insertions that coincide
In defect 14；Between 4 three's contact surface of terminal 1 and pressure ring 5 and PCB assembly, the first layer Step-edge Junction of pressure ring 5 and 7 inner wall of shell
Upper seal 2 and lower seal 6 are respectively equipped between structure contact surface.
In the utility model, the terminal 1, PCB assembly 4, pressure ring 5 and the fitting of 8 upper and lower side of magnet steel shaft are installed and are riveted
Enter in aluminum enclosure 7.Due to upper seal 2 be between terminal 1, pressure ring 5 and inner sidewall sealing PCB assembly 4, effectively solution terminal
With existing sealing problem after aluminum enclosure riveting.It and is in hollow type, the protrusion that end is formed inside pressure ring 5 in the utility model
Mounting groove in can place hall device 9, in actual use, the raised mounting groove of pressure ring bottom can compress ball
11 and then compressed spring 10, guarantee that 8 moment of magnet steel shaft be in impaction state and prevents the sidesway etc. that stretches, in magnet steel shaft 8
During rotation, hall device 9 is detected, and then realizes the purpose of Rotating speed measring.This sensor passes through in terminal and PCB
Mutually matched raised 13 and defect 14 are set on assembly, solve the problems, such as that PCB assembly and terminal relatively rotate and influence detection
Accuracy, structure are more reliable and more stable；The assembling structure of straight riveting formula simultaneously, assembly is simple and uses upper-lower seal circle, sealing
It is more reliable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. a kind of all-sealed Hall mileage speed probe, including aluminum enclosure (7) and it coincide and is mounted on aluminum enclosure (7) top
The terminal (1) of opening, which is characterized in that further include upper seal (2), inserted sheet (3), PCB assembly (4), pressure ring (5), under it is close
Seal (6) and magnet steel shaft (8), shell (7) inner wall two step structures annular in shape, pressure ring (5) outer wall are also in
The first layer step structure of step structure and shell (7) inner wall that coincide is shelved；Magnet steel shaft (8) outer wall is also in step structure
And the second step structure of shell (7) inner wall that coincide is shelved；The terminal (1), PCB assembly (4), pressure ring (5) and magnet steel shaft
(8) upper and lower side fitting installation；Inserted sheet (3) are welded in PCB assembly (4) upper surface, and hall device (9) are welded in lower end surface；It is described
PCB assembly (4) is installed between the terminal (1) and pressure ring (5) and inserted sheet (3) is installed in terminal (1), hall device (9)
It is installed in mounting groove (12) of pressure ring (5) bottom end in protrusion；The top of the magnet steel shaft (8) is equipped with groove, groove bottom end
It installs spring (10), spring (10) upper end is equipped with ball (11), and the mounting groove (12) of pressure ring (5) bottom end compresses ball
(11)。
2. a kind of all-sealed Hall mileage speed probe as described in claim 1, which is characterized in that the terminal (1)
Lower end surface be equipped with the protrusion (13) of uniform intervals setting, the outer diameter of the PCB assembly (4) is slightly less than terminal (1) and pressure ring
Outer diameter and edge are equipped with the defect (14) of uniform intervals setting, and the protrusion (13) is corresponding and coincide in insertion defect (14).
3. a kind of all-sealed Hall mileage speed probe as claimed in claim 2, which is characterized in that the terminal (1)
Between pressure ring (5) and PCB assembly (4) three's contact surface, pressure ring (5) contacts with the first layer step structure of shell (7) inner wall
Upper seal (2) and lower seal (6) are respectively equipped between face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981326.0U CN208296854U (en) | 2018-06-25 | 2018-06-25 | A kind of all-sealed Hall mileage speed probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981326.0U CN208296854U (en) | 2018-06-25 | 2018-06-25 | A kind of all-sealed Hall mileage speed probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208296854U true CN208296854U (en) | 2018-12-28 |
Family
ID=64701880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820981326.0U Active CN208296854U (en) | 2018-06-25 | 2018-06-25 | A kind of all-sealed Hall mileage speed probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208296854U (en) |
-
2018
- 2018-06-25 CN CN201820981326.0U patent/CN208296854U/en active Active
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