CN216050428U - Pressure induction ring with circuit board - Google Patents
Pressure induction ring with circuit board Download PDFInfo
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- CN216050428U CN216050428U CN202122336441.7U CN202122336441U CN216050428U CN 216050428 U CN216050428 U CN 216050428U CN 202122336441 U CN202122336441 U CN 202122336441U CN 216050428 U CN216050428 U CN 216050428U
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Abstract
The utility model discloses a pressure induction ring with a circuit board, which comprises a ring body, wherein a detection concave cavity is formed at the central position of the outer side surface of the ring body in a concave manner, a circuit board cavity is formed at the central position of the detection concave cavity in a concave manner, and a signal conversion circuit board electrically connected with the ring body is embedded in the circuit board cavity; a plurality of through holes which penetrate through the inside and the outside are formed in the cavity bottom of the detection cavity, and the through holes are distributed and arranged around the circuit board cavity in the circumferential direction respectively. Compared with the prior art, through set up the PCB board on the forced induction ring, avoid the wiring, improve oil pressure sensor's structural stability and durability.
Description
Technical Field
The utility model relates to the technical field of pressure alarms, in particular to a pressure induction ring with a circuit board.
Background
The oil pressure sensor is an important device for detecting the oil pressure of the vehicle engine, can convert an oil pressure signal into an electric signal, and transmits the information to the indicating meter and the low-pressure alarm device through related lines so as to ensure the normal operation of the engine.
The existing pressure sensing ring is not provided with a circuit board for converting an electric signal, and the existing pressure sensing ring needs to be connected to the circuit board in the oil pressure sensor through wiring so as to complete the conversion of the pressure signal and the electric signal. The structure is complicated, and the contact is easily broken after being affected by vibration, so the improvement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the pressure sensing ring with the circuit board, and the PCB is arranged on the pressure sensing ring, so that wiring is avoided, and the structural stability and the durability of the oil pressure sensor are improved.
In order to achieve the purpose, the utility model adopts the technical scheme that: a pressure induction ring with a circuit board comprises a ring body, wherein a detection concave cavity is formed at the central position of the outer side surface of the ring body in a concave mode, a circuit board cavity is formed at the central position of the detection concave cavity in a concave mode, and a signal conversion circuit board electrically connected with the ring body is embedded into the circuit board cavity; a plurality of through holes which penetrate through the inside and the outside are formed in the cavity bottom of the detection cavity, and the through holes are distributed and arranged around the circuit board cavity in the circumferential direction respectively.
In a further technical scheme, the lateral surface of ring body protrusion shaping has the chimb of following the closed setting of circumferencial direction, and the inboard of chimb surrounds and forms the detection cavity, and the height of chimb is 0.5mm-3 mm.
In a further technical scheme, a first annular outer concave shoulder is formed at the edge of the outer side of the convex edge in a concave manner, the width of the first annular outer concave shoulder is 0.1-0.3 mm, and the height of the first annular outer concave shoulder is 0.1-0.25 mm; a second annular outer concave shoulder is formed between the outer side surface of the convex edge and the outer side surface of the ring body, the width of the second annular outer concave shoulder is 0.5mm-2.5mm, and the height of the second annular outer concave shoulder is 0.6mm-3.5 mm.
In a further technical scheme, an arc-shaped groove is formed in the corner of the second annular outer concave shoulder in a cutting mode.
In a further technical scheme, the ring body is provided with at least one positioning hole which is arranged inside and outside in a penetrating mode, an internal thread hole is formed in the inner side portion of the positioning hole, and a pressure relief hole communicated with the detection cavity is formed in the outer side portion of the positioning hole.
In a further technical scheme, a chamfer is formed at the opening of the internal thread hole, and the opening angle a of the chamfer is 90-120 degrees.
In a further technical scheme, a connecting part is convexly formed in the middle of the inner side of the ring body, a connecting hole is formed in the center of the connecting part, another chamfer is formed in an orifice of the connecting hole, and the opening angle b of the chamfer ranges from 90 degrees to 120 degrees.
In a further technical scheme, the outer side of the ring body is provided with a positioning notch.
In a further technical scheme, the circuit board cavity is arranged in a cross shape, and the ratio of the X axial length to the Y axial length of the circuit board cavity is 1.1-1.5.
In a further technical scheme, a concave-convex surface structure is formed on the bottom surface of the circuit board cavity.
After adopting the structure, compared with the prior art, the utility model has the advantages that: according to the utility model, the PCB is arranged on the pressure induction ring, so that the limit is avoided, and the structural stability and the durability of the oil pressure sensor are improved; the concave-convex surface structure is arranged at the bottom of the cavity of the circuit board, so that the bonding adhesive force between the circuit board and the ring body is improved, and the structural stability of the oil pressure sensor is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic sectional view taken along line A-A of the present invention.
FIG. 3 is a schematic view of a ZY cross section of the present invention.
Fig. 4 is an enlarged view at B in fig. 3.
Detailed Description
The following are merely preferred embodiments of the present invention, and do not limit the scope of the present invention.
A pressure induction ring with a circuit board is shown in figures 1 to 4 and comprises a ring body 1, wherein a detection concave cavity 21 is formed at the center of the outer side surface of the ring body 1 in a concave mode, a circuit board cavity 22 is formed at the center of the detection concave cavity 21 in a concave mode, and a signal conversion circuit board electrically connected to the ring body 1 is embedded into the circuit board cavity 22; a plurality of through holes 23 penetrating inside and outside are formed in the cavity bottom of the detection cavity 21, and the through holes 23 are distributed and arranged around the circuit board cavity 22 along the circumferential direction. According to the utility model, the PCB is arranged on the pressure induction ring, so that the limit is avoided, and the structural stability and the durability of the oil pressure sensor are improved.
Specifically, the convex edge 2 which is arranged in a closed manner along the circumferential direction is formed on the outer side surface of the ring body 1 in a protruding manner, the inner side of the convex edge 2 surrounds and forms the detection cavity 21, and the height of the convex edge 2 is 0.5mm-3 mm.
Specifically, a first annular external concave shoulder 201 is formed at the concave part of the outer side of the convex edge 2, the width of the first annular external concave shoulder 201 is 0.1mm-0.3mm, and the height of the first annular external concave shoulder is 0.1mm-0.25 mm; a second annular outer concave shoulder 202 is formed between the outer side surface of the convex edge 2 and the outer side surface of the ring body 1, the width of the second annular outer concave shoulder 202 is 0.5mm-2.5mm, and the height of the second annular outer concave shoulder is 0.6mm-3.5 mm.
Specifically, the corner of the second annular external concave shoulder 202 is cut with an arc-shaped groove 203.
Specifically, the ring body 1 is provided with at least one positioning hole penetrating inside and outside, an internal thread hole 241 is formed in the inner side portion of the positioning hole, and a pressure relief hole 24 communicated with the detection cavity 21 is formed in the outer side portion of the positioning hole.
Specifically, the orifice of the internally threaded hole 241 is formed with a chamfer having an opening angle a of 90 ° to 120 °.
Specifically, a connecting part 3 is convexly formed at the middle position of the inner side of the ring body 1, a connecting hole 30 is formed at the central position of the connecting part 3, another chamfer is formed at the opening of the connecting hole 30, and the opening angle b of the chamfer is 90-120 degrees.
Specifically, the outer side of the ring body 1 is provided with a positioning notch 11.
Specifically, the circuit board cavity 22 is disposed in a cross shape, and the ratio of the X axial length to the Y axial length of the circuit board cavity 22 is 1.1-1.5.
Specifically, the cavity bottom surface of the circuit board cavity 22 is formed with a concave-convex surface structure. The concave-convex surface structure is arranged at the bottom of the cavity of the circuit board, so that the bonding adhesive force between the circuit board and the ring body is improved, and the structural stability of the oil pressure sensor is improved.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The utility model provides a pressure induction ring of electrified circuit board, includes ring body (1), its characterized in that: a detection cavity (21) is formed in the center of the outer side surface of the ring body (1) in a concave mode, a circuit board cavity (22) is formed in the center of the detection cavity (21) in a concave mode, and a signal conversion circuit board electrically connected to the ring body (1) is embedded into the circuit board cavity (22); a plurality of through holes (23) which penetrate through the inside and the outside are formed in the cavity bottom of the detection cavity (21), and the through holes (23) are distributed and arranged around the circuit board cavity (22) along the circumferential direction.
2. The pressure sensing ring with circuit board of claim 1, wherein: lateral surface protrusion shaping of ring body (1) has along the chimb (2) of the closed setting of circumferencial direction, and the inboard of chimb (2) surrounds and forms detect cavity (21), and the height of chimb (2) is 0.5mm-3 mm.
3. The pressure sensing ring with circuit board of claim 2, wherein: a first annular outer concave shoulder (201) is formed at the concave part of the outer side of the convex edge (2), the width of the first annular outer concave shoulder (201) is 0.1mm-0.3mm, and the height of the first annular outer concave shoulder is 0.1mm-0.25 mm; a second annular outer concave shoulder (202) is formed between the outer side surface of the convex edge (2) and the outer side surface of the ring body (1), the width of the second annular outer concave shoulder (202) is 0.5mm-2.5mm, and the height of the second annular outer concave shoulder is 0.6mm-3.5 mm.
4. The pressure sensing ring with circuit board of claim 3, wherein: an arc-shaped groove (203) is formed in the corner of the second annular outer concave shoulder (202) in a cutting mode.
5. The pressure sensing ring with circuit board of claim 4, wherein: the ring body (1) is provided with at least one positioning hole which is arranged in a penetrating mode inside and outside, an internal thread hole (241) is formed in the inner side portion of the positioning hole, and a pressure relief hole (24) which is communicated with the detection cavity (21) is formed in the outer side portion of the positioning hole.
6. The pressure sensing ring with circuit board of claim 5, wherein: the opening of the internal thread hole (241) is formed with a chamfer, and the opening angle a of the chamfer is 90-120 degrees.
7. The pressure sensing ring with circuit board of claim 6, wherein: a connecting part (3) is formed in the middle of the inner side of the ring body (1) in a protruding mode, a connecting hole (30) is formed in the center of the connecting part (3), another chamfer is formed in an orifice of the connecting hole (30), and the opening angle b of the chamfer ranges from 90 degrees to 120 degrees.
8. The pressure sensing ring with circuit board of claim 7, wherein: the outside of ring body (1) is seted up location breach (11).
9. The pressure sensing ring with circuit board according to any one of claims 1 to 8, wherein: the circuit board cavity (22) is arranged in a cross shape, and the ratio of the X axial length to the Y axial length of the circuit board cavity (22) is 1.1-1.5.
10. The pressure sensing ring with circuit board of claim 9, wherein: and a concave-convex surface structure is formed on the bottom surface of the circuit board cavity (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336441.7U CN216050428U (en) | 2021-09-26 | 2021-09-26 | Pressure induction ring with circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336441.7U CN216050428U (en) | 2021-09-26 | 2021-09-26 | Pressure induction ring with circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216050428U true CN216050428U (en) | 2022-03-15 |
Family
ID=80546175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122336441.7U Active CN216050428U (en) | 2021-09-26 | 2021-09-26 | Pressure induction ring with circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216050428U (en) |
-
2021
- 2021-09-26 CN CN202122336441.7U patent/CN216050428U/en active Active
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