CN205785657U - Engine oil pressure pickup - Google Patents
Engine oil pressure pickup Download PDFInfo
- Publication number
- CN205785657U CN205785657U CN201620390327.9U CN201620390327U CN205785657U CN 205785657 U CN205785657 U CN 205785657U CN 201620390327 U CN201620390327 U CN 201620390327U CN 205785657 U CN205785657 U CN 205785657U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- circuit board
- pressure
- pressure chip
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 42
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000000446 fuel Substances 0.000 claims description 19
- 230000000994 depressogenic effect Effects 0.000 claims description 10
- 239000010721 machine oil Substances 0.000 abstract description 11
- 239000007943 implant Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 241000218202 Coptis Species 0.000 abstract description 2
- 235000002991 Coptis groenlandica Nutrition 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of engine oil pressure pickup, relate to technical field of pressure detection, this device includes: housing, and described housing is provided with medium flow channel；Terminal assembly, described housing and described terminal assembly enclose receiving chamber, described medium flow channel and described receiving chamber UNICOM；Circuit board module, described circuit board module is installed on described receiving intracavity, described circuit board module includes that circuit board and pressure chip, described pressure chip are arranged at the described circuit board side towards described medium flow channel, is filled with filling glue in described pressure chip.Implant is filled up in pressure chip of the present utility model; the dregs of fat in machine oil are prevented to be deposited in pressure chip; the gold thread within pressure chip can be protected simultaneously; protective cover and implant protect pressure chip jointly; effectively prevent pressure chip impaired, have that simple in construction, certainty of measurement be high, stable and reliable for performance and the advantage of length in service life.
Description
Technical field
This utility model relates to technical field of pressure detection, is specifically related to a kind of engine oil pressure pickup.
Background technology
Engine oil pressure pickup is to couple together with oil pressure gauge and alarm lamp according to engine oil pressure pickup, has machine
Oil pressure instruction and in the function of the too low alarm of engine oil pressure.Engine oil pressure pickup chip of the prior art is directly inserted
In machine oil, easily producing oilhole blocking, chip is impaired, and the shock resistance of engine oil pressure pickup is poor, engine oil pressure pickup
Life-span short.Engine oil pressure pickup chip directly impacting by the machine oil that flows into from fuel feed hole, machine oil in impact process
The testing result of pressure sensor chip is inaccurate, and long-term shock machine oil pressure sensor core sector-meeting causes sensor chip to damage
Bad, the minimizing life-span.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of engine oil pressure pickup,
Strong shock resistance, simple in construction is long for service life.
For reaching object above, this utility model adopts the technical scheme that:
A kind of engine oil pressure pickup, including:
Housing, described housing is provided with medium flow channel；
Terminal assembly, described housing and described terminal assembly enclose receiving chamber, described medium flow channel and described appearance
Na Qiang UNICOM；
Circuit board module, described circuit board module is installed on described receiving intracavity, and described circuit board module includes circuit board
And pressure chip, described pressure chip is arranged at the described circuit board side towards described medium flow channel, described pressure core
Filling glue it is filled with in sheet.
On the basis of technique scheme, described filling glue is gel.
On the basis of technique scheme, also include that protective cover, described protective cover are arranged at described medium flow channel
And between described circuit board module, described protective cover is provided with fuel feed hole, and the medium inflow side of described protective cover is high
Nip, it is low-pressure area that the medium of described protective cover flows out side, and described pressure chip is positioned at described low-pressure area.
On the basis of technique scheme, described protective cover is installed on the described receiving intracavity below described circuit board,
Described pressure chip is positioned at described protective cover, and described protective cover is coaxially disposed with described medium flow channel, described protective cover
It is connected with described housing.
On the basis of technique scheme, described fuel feed hole is positioned at described towards the orthographic projection of described pressure chip side
The outside of pressure chip.
On the basis of technique scheme, described protective cover includes barrel and bottom, described barrel and the institute of cylindrical shape
Stating bottom to be connected, barrel upper end is circumferentially provided with a circle outer rim, and described outer rim connects the inwall of described housing, described protective cover
Bottom is provided with some fuel feed holes.
On the basis of technique scheme, the bottom of described protective cover includes circle tapered recess and a horizontal base, institute
The one end stating depressed part is connected with described horizontal base, and the other end of described depressed part is connected with the barrel lower end of described protective cover,
And be connected with described barrel one section of described depressed part is provided with fuel feed hole.
On the basis of technique scheme, described fuel feed hole is curved waist hole, and described fuel feed hole is equidistantly spaced and sets
Put four.
Compared with prior art, the utility model has the advantage of:
(1) engine oil pressure pickup in this utility model includes that protective cover, protective cover are arranged at circuit board module and Jie
Between matter flow channel, protective cover can weaken and melt to the machine oil flowed into directly impacting pressure chip from medium stream, it is ensured that
The sealing effectiveness of circuit board module；And in pressure chip, fill up implant, prevent the dregs of fat in machine oil to be deposited in pressure chip
In, the gold thread within pressure chip, protective cover and implant can be protected jointly to protect pressure chip simultaneously, effectively prevent pressure
Chip is impaired, has that simple in construction, certainty of measurement be high, stable and reliable for performance and the advantage of length in service life.
(2) pressure chip in this utility model is internal gel filled, and it is good that gel has process operability, easy-maintaining, anti-
Impact and the advantage of good anti-vibration.
(3) bottom area of the protective cover in this utility model is relatively big, and horizontal base is relative with medium flow channel, from medium
The machine oil that flow channel flows into, after horizontal base buffering one, buffers through depressed part again, then the fuel feed hole stream from recessed groove
Entering the side at pressure chip place, fuel feed hole is the curved waist hole being obliquely installed, and fuel feed hole again stops and disperseed machine oil
A part of impulsive force so that finally reach pressure chip machine oil impulsive force almost without, further increase certainty of measurement,
There is technique and realize advantage simple, with low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the front view of protective cover in this utility model embodiment；
Fig. 3 is the top view of protective cover in this utility model embodiment.
In figure: 10-housing, 11-terminal assembly, 12-medium flow channel, 20-accommodates chamber, and 21-protective cover, outside 211-
Edge, 212-fuel feed hole, 213-horizontal base, 214-depressed part, 215-barrel, 22-pressure chip, 221-gel, 23-circuit board,
24-conditioning chip, 25-sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, this utility model embodiment provides a kind of engine oil pressure pickup, including:
Housing 10, housing 10 is provided with medium flow channel 12；
Terminal assembly 11, housing 10 and terminal assembly 11 enclose receiving chamber 13, medium flow channel 12 and receiving chamber 13
UNICOM；
Circuit board module, circuit board module is installed in receiving chamber 13, and circuit board module includes pressure chip 22, circuit board
23 and conditioning chip 24, circuit board 24 is installed in receiving chamber 13 by sealing ring 25, and the cross section of sealing ring 25 is L-shaped.Circuit
Receiving chamber 13 is split in downward two parts by plate 24, is positioned at the receiving chamber 13 on the downside of circuit board 24 and medium flow channel 12
Logical, the upper and lower surface of circuit board 24 is separately installed with conditioning chip 24 and pressure chip 22, and conditioning chip 24 is positioned at circuit board 24
In the receiving chamber 13 of upside, pressure chip 22 is positioned in the receiving chamber on the downside of circuit board 24, is filled with gel in pressure chip 22
221。
Seeing shown in Fig. 2 and Fig. 3, protective cover 21, protective cover 21 is positioned in the receiving chamber 13 on the downside of circuit board, protective cover 21
It is arranged between medium flow channel 12 and circuit board 13, and pressure chip 22 is positioned at protective cover 21.Protective cover 21 includes circle
The barrel 215 of tubular and bottom, barrel 215 upper end of protective cover 21 is circumferentially provided with a circle outer rim 211, the downside of outer rim 211
The cascaded surface of housing 10 inwall is close in face, and the upper side of outer rim 211 is close to the lower surface of sealing ring 25.The bottom bag of protective cover 21
Including a circle tapered recess 214 and horizontal base 213, one end of depressed part 214 is connected smoothly with horizontal base 213, depressed part
The other end of 214 is connected smoothly with barrel 215 lower end of protective cover 21, and depressed part 214 is connected with the lower end of barrel 215
One section be provided with fuel feed hole 212.Fuel feed hole 212 is curved waist hole, and fuel feed hole 212 is equidistantly spaced and arranges four, oil-feed
Hole 212 is positioned at the outside of pressure chip 22 towards the orthographic projection of pressure chip 22 side.
This utility model is not only limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of products, no matter but in its shape or structure, make any change, every have and this utility model phase
Same or akin technical scheme, all within its protection domain.
Claims (5)
1. an engine oil pressure pickup, it is characterised in that including:
Housing (10), described housing is provided with medium flow channel on (10)；
Terminal assembly (11), described housing (10) and described terminal assembly (11) enclose receiving chamber (13), and described medium flows into
Passage (12) and described receiving chamber (13) UNICOM；
Circuit board module, described circuit board module is installed in described receiving chamber (13), and described circuit board module includes circuit board
(23) and pressure chip (22), described pressure chip (22) is arranged at described circuit board (23) towards described medium flow channel
(12) side, described pressure chip is filled with filling glue in (22)；
Also include that protective cover (21), described protective cover (21) are arranged at described medium flow channel (12) and described circuit board module
Between, described protective cover (21) is provided with fuel feed hole (212), and the medium inflow side of described protective cover (21) is high pressure
District, it is low-pressure area that the medium of described protective cover (21) flows out side, and described pressure chip (22) is positioned at described low-pressure area；
Described protective cover (21) is installed in the described receiving chamber (13) of described circuit board (23) lower section, described pressure chip (22)
Being positioned at described protective cover (21), described protective cover (21) is coaxially disposed with described medium flow channel (12), described protective cover
(21) it is connected with described housing (10)；
Described fuel feed hole (212) is positioned at outside described pressure chip (22) towards the orthographic projection of described pressure chip (22) side
Side.
2. engine oil pressure pickup as claimed in claim 1, it is characterised in that: described filling glue is gel (221).
3. engine oil pressure pickup as claimed in claim 1, it is characterised in that: described protective cover (21) includes the cylinder of cylindrical shape
Wall (215) and bottom, described barrel (215) is connected with described bottom, and barrel (215) upper end is circumferentially provided with a circle outer rim
(211), described outer rim (211) connects the inwall of described housing (10), and the bottom of described protective cover (21) is provided with some oil-feeds
Hole (212).
4. engine oil pressure pickup as claimed in claim 3, it is characterised in that: the bottom of described protective cover (21) includes a circle
Tapered recess (214) and horizontal base (213), one end of described depressed part (214) is connected with described horizontal base (213), described
The other end of depressed part (214) is connected with barrel (215) lower end of described protective cover (21), and described depressed part (214) and institute
State barrel (215) be connected one section be provided with fuel feed hole (212).
5. engine oil pressure pickup as claimed in claim 4, it is characterised in that: described fuel feed hole (212) is curved waist hole, and
Described fuel feed hole (212) equidistantly interval arranges four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390327.9U CN205785657U (en) | 2016-05-03 | 2016-05-03 | Engine oil pressure pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390327.9U CN205785657U (en) | 2016-05-03 | 2016-05-03 | Engine oil pressure pickup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205785657U true CN205785657U (en) | 2016-12-07 |
Family
ID=57412801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390327.9U Expired - Fee Related CN205785657U (en) | 2016-05-03 | 2016-05-03 | Engine oil pressure pickup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205785657U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678831A (en) * | 2018-08-04 | 2018-10-19 | 乔斌 | A kind of engine oil pressure alarm |
| CN108979780A (en) * | 2018-08-03 | 2018-12-11 | 柴德维 | Novel automobile engine oil pressure pickup |
| CN108979781A (en) * | 2018-08-03 | 2018-12-11 | 柴德维 | A kind of engine oil pressure pickup for automobile |
-
2016
- 2016-05-03 CN CN201620390327.9U patent/CN205785657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979780A (en) * | 2018-08-03 | 2018-12-11 | 柴德维 | Novel automobile engine oil pressure pickup |
| CN108979781A (en) * | 2018-08-03 | 2018-12-11 | 柴德维 | A kind of engine oil pressure pickup for automobile |
| CN108678831A (en) * | 2018-08-04 | 2018-10-19 | 乔斌 | A kind of engine oil pressure alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |