CN102121873A - Throttle body negative pressure testing device - Google Patents
Throttle body negative pressure testing device Download PDFInfo
- Publication number
- CN102121873A CN102121873A CN 201010596647 CN201010596647A CN102121873A CN 102121873 A CN102121873 A CN 102121873A CN 201010596647 CN201010596647 CN 201010596647 CN 201010596647 A CN201010596647 A CN 201010596647A CN 102121873 A CN102121873 A CN 102121873A
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- China
- Prior art keywords
- negative pressure
- throttle body
- lower cover
- aluminium alloy
- positioning table
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Abstract
The invention discloses a throttle body negative pressure testing device, which comprises an aluminum alloy rack (1), a stepped motor controller (2), a negative pressure display (3), a negative pressure switching chamber (4), a clamping mechanism (5) and a positioning table (6), wherein the clamping mechanism (5) and the positioning table (6) are fixed on a mounting plate of the aluminum alloy rack (1); the negative pressure switching chamber (4) is arranged below the mounting plate, can be switched, and consists of an upper cover, a lower cover, measuring orifices, a threaded cylinder, end caps, an air inlet joint and a connecting bolt; at least two groups of measuring orifices of different type numbers are formed on the upper cover; and matched negative pressure nozzles and end caps are arranged on each measuring orifice. The throttle body negative pressure testing device can stably provide vacuum flows of various specifications to meet various negative pressure testing requirements of a throttle body and widen a testing range, is favorable for improving the detection quality of the throttle body product, and has the characteristics of simple structure, convenience of operation, high universality and the like.
Description
Technical field
The present invention relates to a kind of proving installation, particularly a kind of throttle body negative pressure proving installation.
Background technology
At present, in many industries, all can relate to negative pressure test, particularly in the auto industry in the detection of the parts relevant with engine, all can the simulated engine actual condition after having assembled, the vacuum of employing certain flow, whether qualified go to detect parts.
And existing negative pressure proving installation has only the nozzle of a fixed inner diameter mostly, have to adopt a kind of vacuum of definite value flow to remove to detect parts, such negative pressure device often can not the various operating modes of reliable and effective simulated engine, the product quality that detects also just can't be guaranteed, more can not satisfy modernized product quality requirement, there is certain limitation in dependence test extension to throttle body, be unfavorable for throttle body constant product quality and raising, if detect the product of different model, according to prior art, then need to use the negative pressure proving installation of different model, operating process is very loaded down with trivial details, and need debugging repeatedly, the as easy as rolling off a log error that causes.
Summary of the invention
Purpose of the present invention promptly is to overcome the defective of prior art, the throttle body negative pressure proving installation that proposes, the needs that this device is tested according to negative pressure provide the vacuum flow of plurality of specifications, to adapt to the various test requests of throttle body, improve the detection quality of throttle body product.
The objective of the invention is to be achieved through the following technical solutions: throttle body negative pressure proving installation, it comprises the aluminium alloy stand, the step motor control instrument, the negative pressure display instrument, negative pressure is switched the chamber, clamp system and positioning table, clamp system and positioning table are fixed on the installing plate of drawing together the aluminium alloy stand, throttle body is fixed on the positioning table and by clamp system and clamps, negative pressure switching chamber is installed in the installing plate below, it is switchable that negative pressure is switched the chamber, negative pressure is switched the chamber by loam cake, lower cover, metering-orifice, thread cylinder, plug, the cylinder intake joint, joint bolt is formed, on cover the metering-orifice that two groups of different models have been installed at least, supporting negative pressure nozzle and plug are installed on each metering-orifice, thread cylinder is installed in down to cover also and is connected with plug, loam cake and lower cover are fixed by joint bolt, the lower end that negative pressure is switched the chamber is provided with inlet suction port formation negative pressure channel, step motor control instrument and negative pressure display instrument are installed on the aluminium alloy stand, the step motor control instrument is connected with stepper motor by operation circuit, and the gas circuit input end of negative pressure display instrument connects negative pressure channel.
Between described loam cake and the lower cover, and be provided with sealing gasket between thread cylinder and the lower cover.
Described aluminium alloy stand adopts and forms by screw attachment with the multistage aluminium alloy extrusions.
Described clamp system supports cylinder, boss and register pin by column and forms surely.
Beneficial effect of the present invention shows: the vacuum flow that plurality of specifications stably is provided, the various test requests that adapted to throttle body, enlarge test specification, helped improving the detection quality of throttle body product, and had characteristics such as simple in structure, easy to operate, that versatility is good.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structural representation that negative pressure of the present invention is switched the chamber
Among the figure, 1-aluminium alloy stand, 2-step motor control instrument, 3-negative pressure display instrument, the 4-negative pressure is switched chamber, 5-clamp system, the 6-positioning table, 7-inlet suction port, 8-loam cake, 9-lower cover, 10-thread cylinder, the 11-joint bolt, 12-sealing gasket, 13-metering-orifice A, 14-metering-orifice B, 15-plug.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing, but that protection domain is not limited to is described.
As Fig. 1, throttle body negative pressure proving installation, it comprises aluminium alloy stand 1, step motor control instrument 2, negative pressure display instrument 3, negative pressure is switched chamber 4, clamp system 5 and positioning table 6, clamp system 5 and positioning table 6 are fixed on the installing plate of drawing together aluminium alloy stand 1, throttle body is fixed on the positioning table 6 and by clamp system 5 and clamps, negative pressure switching chamber 4 is installed in the installing plate below, it is switchable that negative pressure is switched chamber 4, negative pressure is switched chamber 4 by loam cake 8, lower cover 9, metering-orifice, thread cylinder 10, plug 15, inlet suction port 7, joint bolt 11 is formed, the metering-orifice of two groups of different models has been installed on the loam cake 8 at least, supporting negative pressure nozzle and plug are installed on each metering-orifice, thread cylinder 10 is installed on the lower cover 9 and is connected with plug 15, loam cake 8 and lower cover 9 are fixing by joint bolt 11, the lower end that negative pressure is switched chamber 4 is provided with inlet suction port 7 formation negative pressure channels, step motor control instrument 2 and negative pressure display instrument 3 are installed on the aluminium alloy stand 1, step motor control instrument 2 is connected with stepper motor by operation circuit, and the gas circuit input end of negative pressure display instrument 3 connects negative pressure channel.
Between described loam cake 8 and the lower cover 9, and be provided with sealing gasket 12 between thread cylinder 10 and the lower cover 9.
Described aluminium alloy stand 1 adopts and forms by screw attachment with the multistage aluminium alloy extrusions.
Described clamp system 5 supports cylinder, boss and register pin by column to be formed surely, adopts plane and two pits to position to throttle body.
Principle of work of the present invention is as follows:
Throttle body is placed on the positioning table 6, supports cylinder by the column on the clamp system 5 and compress, connect negative pressure, switch in the chamber 4 in negative pressure, according to the needs of different product, be equipped with a series of negative pressure nozzle, the import at each nozzle is provided with plug.As Fig. 2, during test, can be according to product needed, various vacuum flow is made up in the open and close of control plug 15, to reach test purpose, the internal diameter of metering-orifice A13 is bigger than metering-orifice B14, this moment, metering-orifice A13 opened circuit, metering-orifice B14 path, can realize different vacuum flows, the switching of nozzle is finished by thread cylinder 10 and plug, and the gas circuit input end of negative pressure display instrument 3 connects negative pressure channel, in negative pressure channel the negative pressure inductor can be set, test result can show by negative pressure display instrument 3.
At first block the by-pass of throttle body by step motor control instrument 2, column supports cylinder and compresses throttle body, opens vacuum simultaneously, carries out the idling adjustment earlier.Observe the reading on the negative pressure display instrument 3, regulate the idling screw on the throttle body, make the vacuum table reading be positioned at acceptability limit; Carry out the dirigibility detection that air throttle rotates again.Pull negative pressure flow switch knob, the vacuum flow of this moment is enlarged to claimed range, under this vacuum flow, pulls throttle blade, detects its dirigibility.
Claims (4)
1. throttle body negative pressure proving installation, it is characterized in that: it comprises aluminium alloy stand (1), step motor control instrument (2), negative pressure display instrument (3), negative pressure is switched chamber (4), clamp system (5) and positioning table (6), clamp system (5) and positioning table (6) are fixed on the installing plate of aluminium alloy stand (1), throttle body is fixed on positioning table (6) and goes up and clamp by clamp system (5), negative pressure switching chamber (4) is installed in the installing plate below, negative pressure is switched chamber (4) by loam cake (8), lower cover (9), metering-orifice, thread cylinder (10), plug (15), inlet suction port (7), joint bolt (11) is formed, the metering-orifice of two groups of different models has been installed on the loam cake (8) at least, supporting negative pressure nozzle and plug are installed on each metering-orifice, thread cylinder (10) is installed in lower cover (9) and upward also is connected with plug (15), loam cake (8) and lower cover (9) are fixing by joint bolt (11), the lower end that negative pressure is switched chamber (4) is provided with inlet suction port (7) formation negative pressure channel, step motor control instrument (2) and negative pressure display instrument (3) are installed on the aluminium alloy stand (1), step motor control instrument (2) is connected with stepper motor by operation circuit, and the gas circuit input end of negative pressure display instrument (3) connects negative pressure channel.
2. throttle body negative pressure proving installation according to claim 1 is characterized in that: between described loam cake (8) and the lower cover (9), and be provided with sealing gasket (12) between thread cylinder (10) and the lower cover (9).
3. throttle body negative pressure proving installation according to claim 1 is characterized in that: described aluminium alloy stand (1) adopts and forms by screw attachment with the multistage aluminium alloy extrusions.
4. throttle body negative pressure proving installation according to claim 1 is characterized in that: described clamp system (5) supports cylinder, boss and register pin by column and forms surely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105966477A CN102121873B (en) | 2010-12-20 | 2010-12-20 | Throttle body negative pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105966477A CN102121873B (en) | 2010-12-20 | 2010-12-20 | Throttle body negative pressure testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102121873A true CN102121873A (en) | 2011-07-13 |
| CN102121873B CN102121873B (en) | 2012-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105966477A Expired - Fee Related CN102121873B (en) | 2010-12-20 | 2010-12-20 | Throttle body negative pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102121873B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292635A (en) * | 2016-08-30 | 2017-01-04 | 欧朗电子科技有限公司 | New-energy automobile electronic controller full-automatic negative-pressure tester |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6591667B1 (en) * | 2001-04-20 | 2003-07-15 | Ford Global Technologies, Llc | Method of determining throttle flow in a fuel delivery system |
| CN2806791Y (en) * | 2005-06-08 | 2006-08-16 | 重庆力帆实业（集团）有限公司 | Throttle valve for motorcycle with electronic fuel injection system |
| CN1932453A (en) * | 2005-09-15 | 2007-03-21 | 比亚迪股份有限公司 | Vehicle air throttle air inflow test system and testing method |
-
2010
- 2010-12-20 CN CN2010105966477A patent/CN102121873B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6591667B1 (en) * | 2001-04-20 | 2003-07-15 | Ford Global Technologies, Llc | Method of determining throttle flow in a fuel delivery system |
| CN2806791Y (en) * | 2005-06-08 | 2006-08-16 | 重庆力帆实业（集团）有限公司 | Throttle valve for motorcycle with electronic fuel injection system |
| CN1932453A (en) * | 2005-09-15 | 2007-03-21 | 比亚迪股份有限公司 | Vehicle air throttle air inflow test system and testing method |
Non-Patent Citations (2)
| Title |
|---|
| 《小型内燃机与摩托车》 20050228 陶玉国等 电喷摩托车节气门体总成检测系统 第34卷, 第1期 2 * |
| 《机电工程》 20071031 樊留群等 节气门体试验台的研制 第24卷, 第10期 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292635A (en) * | 2016-08-30 | 2017-01-04 | 欧朗电子科技有限公司 | New-energy automobile electronic controller full-automatic negative-pressure tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102121873B (en) | 2012-02-22 |
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Granted publication date: 20120222 Termination date: 20141220 |
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