CN202350977U - Pressure sensor with protective cover - Google Patents
Pressure sensor with protective cover Download PDFInfo
- Publication number
- CN202350977U CN202350977U CN2011204291578U CN201120429157U CN202350977U CN 202350977 U CN202350977 U CN 202350977U CN 2011204291578 U CN2011204291578 U CN 2011204291578U CN 201120429157 U CN201120429157 U CN 201120429157U CN 202350977 U CN202350977 U CN 202350977U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- spanner
- pressure transducer
- pressure sensor
- periphery
- 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
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Abstract
The utility model relates to the field of vehicle steering oil pumps, and aims to provide a pressure sensor with a protective cover. The precision and the service life can be effectively ensured and the pressure senor can be effectively protected after the pressure sensor with the protective cover is installed. The pressure sensor with the protective cover comprises a pressure sensor body, wherein the pressure sensor body comprises a main part, an installation part and a wrench part, wherein the wrench part is positioned at the junction of the main part and the installation part. The pressure sensor with the protective cover is characterized by also comprising the protective cover, wherein the length of the protective cover is greater than the length of the main part; the protective cover is sleeved outside the main part and is fixedly connected with the wrench part. When the pressure sensor with the protective cover is used, the installation part is in threaded connection with a steering oil pump; the protective cover is sleeved outside the main part; and the precision and the service life can be effectively ensured and the pressure sensor can be effectively protected after the pressure sensor with the protective cover is installed.
Description
Technical field
The utility model relates to motor turning oil pump field, can effectively protect, guarantee the with protecting cover pressure transducer in precision and serviceable life after especially a kind of the installation.
Background technology
On general automobile steering force aid system, installing pressure switch, pressure transducer and some other parts additional is connected with control device; Can be implemented in the function of automobile steering system anti-lock under the accident conditions such as engine is flame-out suddenly, the unexpected stall of direction oil pump, make the security of driving more can ensure to some extent; The utility model of Chinese patent notification number CN201633173U discloses a kind of automobile steering servomechanism safety feature; Be on the basis of conventional hydraulic power steering system, to increase normally closed solenoid valve, pressure switch, delay switch and alarm lamp; It is characterized in that oil pipe that normally closed solenoid valve will be communicated with the left steering power cavity through oil pipe and the oil pipe that is communicated with the right turn power cavity couple together; Pressure switch is installed on the oil pipe of steering pump outlet, and normally closed solenoid valve, pressure switch, alarm lamp connect into series circuit through lead and automobile key switch, vehicular power-bottle.Pressure switch, pressure transducer that present hydraulic power-assist steering system installs additional are contained in outside the steering pump more; Pressure transducer commonly used at present is shown in accompanying drawing 4: pressure transducer comprises principal part 11, installation portion 12 and is positioned at principal part and the spanner piece 16 of installation portion junction that installation portion 12 is threaded with steering pump 3; This pressure transducer exposes outside steering pump after installing, and therefore unshielded measure very easily is collided in production, transportation and use, makes pressure transducer phenomenons such as distortion, leakage of oil occur, and precision is reduced, even causes losing efficacy.Expose outside steering pump after present pressure transducer is installed in order to overcome, unshielded measure very easily is collided in production, transportation and use; Make pressure transducer phenomenons such as distortion, leakage of oil occur; Precision is reduced, even cause the deficiency that lost efficacy, therefore; Design the with protecting cover pressure transducer that can effectively protect, guarantee precision and serviceable life after a kind of install, become problem demanding prompt solution.
The utility model content
The purpose of the utility model is to expose outside steering pump after present pressure transducer is installed in order to overcome; Unshielded measure; Very easily in production, transportation and use, be collided, make pressure transducer phenomenons such as distortion, leakage of oil occur, precision is reduced; Even cause the deficiency that lost efficacy, the with protecting cover pressure transducer that can effectively protect, guarantee precision and serviceable life after a kind of the installation is provided.
The concrete technical scheme of the utility model is:
A kind of with protecting cover pressure transducer; Comprise the pressure transducer body; Described pressure transducer body comprises principal part, installation portion and is positioned at principal part and the spanner portion of installation portion junction; Described with protecting cover pressure transducer also comprises protective cover, and the length of described protective cover is greater than the length of principal part, and shielding cover is fixedly connected outside principal part and with spanner portion.When this with protecting cover pressure transducer used, installation portion was threaded with steering pump, and shielding cover is outside principal part; After installing, this with protecting cover pressure transducer can effectively protect, guarantee precision and serviceable life
As preferably, described spanner portion is shaped as annular, and the periphery of spanner portion is provided with spanner excision or spanner groove; Described protective cover is threaded with the periphery of spanner portion.Spanner portion both had been used for pulling when installation portion is threaded with steering pump screws, and is used for again and being connected of protective cover, simple and practical.
As preferably, described protective cover be shaped as multidiameter shape, the big end end face of protective cover is provided with counterbore, the bottom surface of counterbore is provided with the through hole of the small end end face that extends to protective cover, the interior week of counterbore is threaded with the periphery of spanner portion.Protective roof structure is simple.
Compared with prior art; Described with protecting cover pressure transducer has following advantage: one. after installing, this with protecting cover pressure transducer can effectively protect, guarantee precision and serviceable life two. and spanner portion both had been used for pulling when installation portion is threaded with steering pump screws; Be used for again and being connected of protective cover, simple and practical.Three. protective roof structure is simple.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the left view that the pressure transducer body among Fig. 1 has the spanner excision;
Fig. 3 is the left view that the pressure transducer body among Fig. 1 has the spanner groove;
Fig. 4 is that existing pressure transducer is installed in the structural representation on the steering pump.
Among the figure: pressure transducer body-1, principal part-11, installation portion-12, spanner portion-13, spanner excision-14, spanner groove-15, spanner piece-16, protective cover-2, counterbore-21, through hole-22, steering pump-3.
Embodiment
Below in conjunction with the accompanying drawing accompanying drawing the utility model is described further.
Like accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 accompanying drawings: a kind of with protecting cover pressure transducer comprises pressure transducer body 1, protective cover 2.
Described pressure transducer body 1 comprises principal part 11, installation portion 12 and is positioned at principal part and the spanner portion 13 of installation portion junction.
The length of described protective cover 2 is greater than the length 3mm of principal part 11, protective cover 2 be shaped as multidiameter shape, the big end end face of protective cover 2 has counterbore 21, the bottom surface of counterbore 21 has the through hole 22 of the small end end face that extends to protective cover 2.
Referring to Fig. 2, the garden that the is shaped as annular of described spanner portion 13, the periphery of spanner portion 13 have spanner excision 14; Spanner excision 14 has six and be uniformly distributed with along the periphery of spanner portion 13; Described protective cover 2 is enclosed within outside the principal part 11, and the interior week of counterbore 21 is threaded with the periphery of spanner portion 13.
Another kind of spanner portion 13 is referring to Fig. 2, the garden that the is shaped as annular of described spanner portion 13, and the periphery of spanner portion 13 has spanner groove 15; The cross sectional shape of spanner groove 15 is a rectangle, and spanner groove 15 has six and be uniformly distributed with along the periphery of spanner portion 13; Described protective cover 2 is enclosed within outside the principal part 11, and the interior week of counterbore 21 is threaded with the periphery of spanner portion 13.
When this with protecting cover pressure transducer used: installation portion 12 was threaded with steering pump 3; Protective cover 2 is enclosed within outside the principal part 11; The interior week of counterbore 21 is threaded with the periphery of spanner portion 13, and the signal wire of pressure transducer body 1 is drawn with control device from through hole 22 and is connected.
It is apparent to one skilled in the art that the utility model can be changed into multiple mode, and the scope that breaks away from the utility model is not thought in such change.The conspicuous modification of the technician to said field that all are such is within the scope that is included in this claim.
Claims (4)
1. with protecting cover pressure transducer; Comprise pressure transducer body (1); Described pressure transducer body comprises principal part (11), installation portion (12) and is positioned at principal part and the spanner portion of installation portion junction (13); It is characterized in that: described with protecting cover pressure transducer also comprises protective cover (2), and the length of described protective cover is greater than the length of principal part, and shielding cover is fixedly connected outside principal part and with spanner portion (13).
2. with protecting cover pressure transducer according to claim 1 is characterized in that: described spanner portion (13) is shaped as annular, and the periphery of spanner portion (13) is provided with spanner excision (14); Described protective cover (2) is threaded with the periphery of spanner portion (14).
3. with protecting cover pressure transducer according to claim 1 is characterized in that: described spanner portion (14) is shaped as annular, and the periphery of spanner portion is provided with spanner groove (15); Described protective cover (2) is threaded with the periphery of spanner portion (13).
4. according to claim 1 or 2 or 3 described with protecting cover pressure transducers; It is characterized in that: described protective cover (2) be shaped as multidiameter shape; The big end end face of protective cover is provided with counterbore (21); The bottom surface of counterbore (21) is provided with the through hole (22) of the small end end face that extends to protective cover (2), the interior week of counterbore (21) periphery with spanner portion (13) be threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204291578U CN202350977U (en) | 2011-11-03 | 2011-11-03 | Pressure sensor with protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204291578U CN202350977U (en) | 2011-11-03 | 2011-11-03 | Pressure sensor with protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350977U true CN202350977U (en) | 2012-07-25 |
Family
ID=46539974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204291578U Expired - Fee Related CN202350977U (en) | 2011-11-03 | 2011-11-03 | Pressure sensor with protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202350977U (en) |
-
2011
- 2011-11-03 CN CN2011204291578U patent/CN202350977U/en not_active Expired - Fee Related
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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: 20120725 Termination date: 20171103 |