CN206945215U - A kind of Vehicular pressure sensor assembling shell - Google Patents
A kind of Vehicular pressure sensor assembling shell Download PDFInfo
- Publication number
- CN206945215U CN206945215U CN201720948282.7U CN201720948282U CN206945215U CN 206945215 U CN206945215 U CN 206945215U CN 201720948282 U CN201720948282 U CN 201720948282U CN 206945215 U CN206945215 U CN 206945215U
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- Prior art keywords
- pressure ring
- tubular cavity
- circuit board
- threaded
- threaded pressure
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Abstract
It the utility model is related to a kind of Vehicular pressure sensor assembling shell, the Vehicular pressure sensor assembling shell includes circuit board, threaded pressure ring, the plug connector and housing that grafting coordinates, the top of housing sets tubular cavity, inwall in the middle part of the tubular cavity sets internal thread, the outer wall of threaded pressure ring sets the external screw thread being engaged with internal thread, the bottom that circuit board is placed in tubular cavity during assembling, second sealing ring is set between circuit board lower surface and tubular cavity, threaded pressure ring coordinates with tubular cavity screw thread, top in plug connector insertion tubular cavity, first sealing ring is set between the bottom of plug connector and the top of threaded pressure ring, so that threaded pressure ring is spacing to circuit board progress, annular seal space is formed between circuit board upper surface and threaded pressure ring inner chamber, test chamber is formed between circuit board lower surface and tubular cavity bottom wall；Coordinated using the tubular cavity screw thread of threaded pressure ring and housing so that circuit board is carried out spacing by the threaded pressure ring being screwed.
Description
Technical field
It the utility model is related to the pressure sensor of part technical field, particularly a kind of automobile-used, peculiar to vessel, civilian machinery etc.
Assembling shell.
Background technology
Automobile using air pressure or hydrostatic sensor are air pressure in automobile air path or hydraulic pressure changes and turned into horizontal electrical signal
Change and provide this information to automobile instrument panel, so as to driver can understand in time from instrument board air pressure in automobile pipeline or
Hydraulic state, so as to be effectively guaranteed the driving safety of automobile, therefore to its reliability, durability, precise requirements very
It is high.Chinese patent Authorization Notice No. CN202533217U discloses a kind of baroceptor, including shell, is inserted in described shell
Lower casing is connected to, the bottom of described lower casing is interpolating unit, and the top of described shell is spiro union portion, is set between described shell and lower casing
There is wiring board, pin is plugged with described lower casing.Above-mentioned automobile-used baroceptor is simple in construction, but exists in use as follows
Problem：Fail the use environment of consideration sensor, because jolting for vehicle causes circuit board in shell with after long-time use
Cavity internal vibration between shell, causes circuit board and pin loose contact, influences to use.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of it is simple in construction, easy for installation, cost is cheap, avoid electricity
The Vehicular pressure sensor assembling shell of road panel vibration.
In order to solve the above technical problems, Vehicular pressure sensor assembling shell provided by the utility model, including：Circuit
The plug connector and housing that plate, threaded pressure ring, grafting coordinate, the top of the housing set tubular cavity, tubular cavity middle part
Inwall internal thread is set, the outer wall of the threaded pressure ring sets the external screw thread being engaged with the internal thread, circuit during assembling
The bottom that plate is placed in the tubular cavity, the second sealing ring is set between circuit board lower surface and the tubular cavity, it is described
Threaded pressure ring coordinates with tubular cavity screw thread, the top in the plug connector insertion tubular cavity, the bottom of plug connector and screw thread
First sealing ring is set between the top of pressure ring so that threaded pressure ring carries out spacing, circuit board upper surface and screw thread to circuit board
Annular seal space is formed between pressure ring inner chamber, test chamber is formed between circuit board lower surface and tubular cavity bottom wall；In use, housing
In bottom insertion automobile pipeline so that gas or liquid in pipeline enter test chamber to complete to detect, while the second sealing ring
The gas in pipeline or liquid is avoided to enter annular seal space, the first sealing ring avoids the gas outside plug connector from entering annular seal space, prevented
Steam enters after annular seal space condenses and accumulated in air, causes circuit board line short-circuit.
Further, the circumferentially arranged pressure ring boss in the side wall top of the threaded pressure ring, so that the threaded pressure ring is placed in
When in the tubular cavity, first annular groove is formed between the pressure ring boss and the tubular cavity inner wall, described first is close
Seal is arranged in first annular groove, so as to be sealed after in plug connector insertion tubular cavity by the first sealing ring, is kept away
Exempt from gas or liquid by entering between tubular cavity inner wall and the outer wall of threaded pressure ring in the annular seal space under threaded pressure ring.
Further, circumferentially arranged chamfered section on the inside of the bottom of the threaded pressure ring, is easy to threaded pressure ring to compress circuit board.
Further, the circumferentially arranged annular boss of the top inner side of the threaded pressure ring, it is symmetrical arranged on the annular boss
Inner groovy so that when threaded pressure ring assembles, the inner groovy can be inserted through external spanner to rotate the threaded pressure ring.
Further, the middle part of the tubular cavity sets the undertaking boss of annular, so that by holding when the circuit board assembles
Connect boss the edge of circuit board accept it is spacing；Second sealing ring is arranged at the undertaking boss and the circuit board
Between；Second sealing ring avoids gas or liquid by tubular cavity to being sealed between circuit board and tubular cavity inner wall
The annular seal space entered between wall and the outer wall of circuit board under threaded pressure ring；When Vehicular pressure sensor assembling shell assembles, screw thread
When pressure ring is screwed in tubular cavity, circuit board extrudes the second sealing ring and deforms upon and sealed；Vehicular pressure sensor fills
With housing in use, when the test chamber access gas or liquid of lower housing portion cause the circuit board position to change, the second sealing
Circle is close to the lower surface of circuit board under elastic reaction, avoids gas or liquid from entering annular seal space；Vehicular pressure sensor assembles
Housing in use, carries out damping, buffering to circuit board by the second sealing ring and provides elastic compensating, avoid annular seal space from letting out
Dew, improve service life.
The technique effect of utility model：（1）Vehicular pressure sensor assembling shell of the present utility model, relative to existing skill
Art, coordinated using the tubular cavity screw thread of threaded pressure ring and housing so that circuit board is limited by the threaded pressure ring being screwed
Position, and sealed, it can effectively avoid entering liquid or gas in annular seal space, influence measurement accuracy；（2）Plug connector inserts tubular
Sealed when in cavity by the first sealing ring, enhance sealing effectiveness；（3）Spanner is engaged with inner groovy, can easily by
Threaded pressure ring is screwed into or screwed out tubular cavity；（4）Accept sets the second sealing ring to be sealed between boss and circuit board, simultaneously
Damping, buffering can be achieved, beneficial to raising service life.
Brief description of the drawings
The utility model is described in further detail with reference to Figure of description：
Fig. 1 is the assembling structure schematic diagram of Vehicular pressure sensor assembling shell of the present utility model；
Fig. 2 is the sectional view after the assembling of the utility model Vehicular pressure sensor assembling shell；
Fig. 3 is the sectional view of housing of the present utility model；
Fig. 4 is the sectional view of threaded pressure ring of the present utility model；
Fig. 5 is the structural representation of threaded pressure ring of the present utility model.
In figure：Housing 1, threaded portion 11, internal thread 12, positive stop lug boss 13, tubular cavity 14, accept boss 15, escape
16, sluice way 17, plug connector 2, the first sealing ring 21, the second sealing ring 22, the 3rd sealing ring 23, circuit board 3, threaded pressure ring 4,
External screw thread 41, pressure ring boss 42, chamfered section 43, inner groovy 44, annular boss 45, annular seal space 46, test chamber 5.
Embodiment
As shown in Figure 1 to Figure 3, the Vehicular pressure sensor assembling shell of the present embodiment includes circuit board 3, spiral shell to embodiment 1
The plug connector 2 and housing 1 that line pressure ring 4, grafting coordinate, plug connector 2 is interior to set pin, and the bottom of housing 1 is threaded portion 11, shell
The top of body 1 sets tubular cavity 14, and the inwall at the middle part of tubular cavity 14 sets internal thread 12, and the outer wall of threaded pressure ring 4 is set
Put the external screw thread 41 being engaged with internal thread 12, the bottom that circuit board 3 is placed in tubular cavity 14 during assembling, under the circuit board 3
Second sealing ring 22 is set between end face and tubular cavity 14, and threaded pressure ring 4 coordinates with the screw thread of tubular cavity 14, and plug connector 2 is inserted
Enter the top in tubular cavity 14, the first sealing ring 21 be set between the bottom of plug connector 14 and the top of threaded pressure ring 4 so that
Threaded pressure ring 4 carries out spacing, formation annular seal space 46, circuit between the upper surface of circuit board 3 and the inner chamber of threaded pressure ring 4 to circuit board 3
Test chamber 5 is formed between the lower surface of plate 3 and the bottom wall of tubular cavity 14, sluice way 17 is set in threaded portion 11, for by automobile pipe
Gas or liquid in road introduce test chamber 5；In use, the threaded portion 11 of housing 1 is inserted in automobile pipeline so that in pipeline
Gas or liquid enter test chamber 5 to complete to detect, at the same the second sealing ring 22 avoid gas in pipeline or liquid enter it is close
Chamber 46 is sealed, the first sealing ring 21 avoids the gas outside plug connector 2 from entering annular seal space 46, influences testing result.Threaded portion 11 and cylinder
Escape 16 is set on the outer wall between shape cavity 14, and threaded portion 11 is carried out after being threadedly coupled with pipeline using the 3rd sealing ring 23
Sealing.
Preferably, as shown in figure 4, the circumferentially arranged pressure ring boss 42 in the side wall top of threaded pressure ring 4, so that screw thread pressure
When ring 4 is placed in tubular cavity 14, first annular groove, the first sealing ring are formed between pressure ring boss 42 and the inwall of tubular cavity 14
21 are arranged in first annular groove, so that plug connector 2 is sealed when inserting in tubular cavity 14 by the first sealing ring 21, avoid
Gas or liquid between the outer wall of the inwall of tubular cavity 14 and threaded pressure ring 4 by entering in the annular seal space 46 under threaded pressure ring 4.
Preferably, as shown in figure 4, the circumferentially arranged chamfered section 43 in bottom inner side of threaded pressure ring 4, is easy to threaded pressure ring
4 compress circuit board 3；To avoid the expanded by heating of circuit board 3 from causing circuit board 3 to damage, between circuit board 3 and the inwall of tubular cavity 14
Gap coordinates, and the inwall middle part of tubular cavity 14, the downside of internal thread 12 set positive stop lug boss 13 so that threaded pressure ring 4
Bottom spiral can not continue to move to after being moved to positive stop lug boss 13, avoid maloperation from causing circuit board 3 to damage.
Preferably, as shown in figure 5, the circumferentially arranged annular boss 45 of the top inner side of threaded pressure ring 4, the annular boss
Inner groovy 44 is symmetrical arranged on 45 so that when threaded pressure ring 4 assembles, inner groovy 44 can be inserted through external spanner to rotate screw thread
Pressure ring 4.
Preferably, as shown in figure 3, the middle part of tubular cavity 14 sets the undertaking boss 15 of annular, the second sealing ring 22
It is arranged at and accepts between boss 15 and circuit board 3, so that by undertaking boss 15 to the edge lower end of circuit board 3 when circuit board 3 assembles
Accept spacing, by the second sealing ring 22 to being sealed between circuit board 3 and the inwall of tubular cavity 14, avoid gas or liquid
Body by between the outer wall of the inwall of tubular cavity 14 and circuit board 3 enter threaded pressure ring 4 under annular seal space 46.
When Vehicular pressure sensor assembling shell assembles, when threaded pressure ring 4 is screwed in tubular cavity 14, circuit board 3 extrudes
Second sealing ring 22 is deformed upon and sealed；Vehicular pressure sensor assembling shell is in use, the test chamber of the bottom of housing 1
5 access gas or liquid through sluice way 17 causes the position of circuit board 3, and the second sealing ring 22 is close to circuit board 3 under elastic reaction
Lower surface, avoid gas or liquid from entering annular seal space 46；Vehicular pressure sensor assembling shell in use, by second
Sealing ring 22 carries out damping, buffering to circuit board 3 and provides elastic compensating, avoids annular seal space 46 from revealing, improves service life.
Threaded portion 11 is divided for taper pipe thread and straight thread, taper pipe thread can direct mechanical seal, straight thread needs to use
Sealing ring seals.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to obvious changes or variations that spirit of the present utility model is extended out still in the scope of protection of the utility model
Among.
Claims (5)
- A kind of 1. Vehicular pressure sensor assembling shell, it is characterised in that including：What circuit board, threaded pressure ring, grafting coordinated inserts Fitting and housing, the top of the housing set tubular cavity, and the inwall in the middle part of the tubular cavity sets internal thread, the screw thread The outer wall of pressure ring sets the external screw thread being engaged with the internal thread, the bottom that circuit board is placed in the tubular cavity during assembling Portion, sets the second sealing ring between circuit board lower surface and the tubular cavity, the threaded pressure ring is matched somebody with somebody with tubular cavity screw thread Close, the top in the plug connector insertion tubular cavity, setting first is close between the bottom of plug connector and the top of threaded pressure ring Seal so that threaded pressure ring is spacing to circuit board progress, annular seal space is formed between circuit board upper surface and threaded pressure ring inner chamber, electricity Test chamber is formed between road plate lower surface and tubular cavity bottom wall.
- 2. Vehicular pressure sensor assembling shell according to claim 1, it is characterised in that the side wall of the threaded pressure ring The circumferentially arranged pressure ring boss in top, during so that the threaded pressure ring is placed in the tubular cavity, the pressure ring boss and institute State and form first annular groove between tubular cavity inner wall, first sealing ring is arranged in first annular groove.
- 3. Vehicular pressure sensor assembling shell according to claim 2, it is characterised in that the bottom of the threaded pressure ring The circumferentially arranged chamfered section in inner side.
- 4. Vehicular pressure sensor assembling shell according to claim 3, it is characterised in that the top of the threaded pressure ring The circumferentially arranged annular boss in inner side, inner groovy is symmetrical arranged on the annular boss.
- 5. Vehicular pressure sensor assembling shell according to claim 4, it is characterised in that the middle part of the tubular cavity The undertaking boss of annular is set；Second sealing ring is arranged between the undertaking boss and the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948282.7U CN206945215U (en) | 2017-07-31 | 2017-07-31 | A kind of Vehicular pressure sensor assembling shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948282.7U CN206945215U (en) | 2017-07-31 | 2017-07-31 | A kind of Vehicular pressure sensor assembling shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945215U true CN206945215U (en) | 2018-01-30 |
Family
ID=61371806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948282.7U Expired - Fee Related CN206945215U (en) | 2017-07-31 | 2017-07-31 | A kind of Vehicular pressure sensor assembling shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111084608A (en) * | 2018-10-23 | 2020-05-01 | 成都西达瑞电子科技有限公司 | Wireless sensor with good air permeability |
| CN113418541A (en) * | 2021-06-22 | 2021-09-21 | 北京卫星环境工程研究所 | Butt-joint sealing structure of on-orbit sensor |
-
2017
- 2017-07-31 CN CN201720948282.7U patent/CN206945215U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111084608A (en) * | 2018-10-23 | 2020-05-01 | 成都西达瑞电子科技有限公司 | Wireless sensor with good air permeability |
| CN113418541A (en) * | 2021-06-22 | 2021-09-21 | 北京卫星环境工程研究所 | Butt-joint sealing structure of on-orbit sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |