CN203249574U - Protective cover testing tool for engine EGR control valve assembly - Google Patents
Protective cover testing tool for engine EGR control valve assembly Download PDFInfo
- Publication number
- CN203249574U CN203249574U CN 201320165163 CN201320165163U CN203249574U CN 203249574 U CN203249574 U CN 203249574U CN 201320165163 CN201320165163 CN 201320165163 CN 201320165163 U CN201320165163 U CN 201320165163U CN 203249574 U CN203249574 U CN 203249574U
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- CN
- China
- Prior art keywords
- protective cover
- valve assembly
- operation valve
- egr operation
- engine egr
- 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 discloses a protective cover testing tool for an engine EGR control valve assembly; the testing tool comprises a bottom plate and a testing device; the testing device comprises a testing piece for testing the shape of the protective cover and for positioning mounting hole positions of the protective cover, and comprises testing pins matched with the testing piece for testing hole distance between the protective cover mounting holes; the protective cover testing tool for the engine EGR control valve assembly is simple and reasonable in structure, easy in operation and low in cost, and the mounting hole distance and the shape of the protective cover of the EGR control valve assembly are simultaneously tested.
Description
Technical field
The utility model relates to technical field of engines, particularly a kind of engine EGR operation valve assembly protective cover cubing.
Background technology
Along with the fast development of auto industry, automobile exhaust pollution also threatens human ecological environment day by day seriously.At present; at engine EGR operation valve assembly is installed and is become one of important technology that reduces the motor vehicle exhaust emission pollution; be protection EGR operation valve assembly design EGR operation valve assembly protective cover; in order to be installed in smoothly EGR operation valve assembly protective cover on the engine; avoid protective cover and EGR operation valve assembly to interfere; need check EGR operation valve assembly protective cover mounting hole distance and profile, guarantee consistance.
In the prior art, multiplex three-dimensional method detects EGR operation valve assembly protective cover, and measuring means is single, and this detection method cycle is long, and cost is high, can't check simultaneously mounting hole distance and the shape of EGR operation valve assembly protective cover.
Therefore, need to improve EGR operation valve assembly protective cover cubing, make that it is rational in infrastructure, easy and simple to handle, cost is lower, can accomplish mounting hole distance and the shape of EGR operation valve assembly protective cover are detected simultaneously.
The utility model content
In view of this, the utility model provides a kind of EGR operation valve assembly protective cover cubing, and is simple and reasonable, easy and simple to handle, cost is lower, can accomplish mounting hole distance and the shape of EGR operation valve assembly protective cover are detected simultaneously.
Engine EGR operation valve assembly protective cover cubing of the present utility model, comprise base plate and pick-up unit, described pick-up unit comprises for the detection piece of check protective cover shape and position, locating protective mask mounting hole hole with for cooperate the test pin that detects protective cover mounting hole pitch-row with described detection piece.
Further, described detection piece comprise with the suitable detection faces of protective cover shape and be arranged at described detection faces and with protective cover on the hole be consistent detection hole, position, described detection piece is fixedly connected with described base plate.
Further, installation is provided with pilot bushing, described pilot bushing and described detection hole interference fit in the described detection hole.
Further, described detection piece detection faces is curved surface, and described curved surface parallels with the protective cover corresponding position and keeps the 1mm gap.
Further, described test pin is staircase structural model, comprises the handle portion, measurement section and the guide part that set gradually, and described handle portion, measurement section and guide part are cylindrical-shaped structure and external diameter reduces successively.
Further, described test pin guide part and described pilot bushing clearance fit.
Further, described test pin links to each other with described base plate by connection chain.
The beneficial effects of the utility model: engine EGR operation valve assembly protective cover cubing of the present utility model, detect piece and both can determine the position, hole of the mounting hole on the protective cover, can test to the shape of protective cover again, test pin cooperates the pitch-row that detects mounting hole on the protective cover with detecting piece; The utility model is simple and reasonable, easy and simple to handle, cost is lower, can accomplish mounting hole distance and the shape of EGR operation valve assembly protective cover are detected simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is base plate and detects the block structure synoptic diagram;
Fig. 3 is for detecting the block structure synoptic diagram;
Fig. 4 is that Fig. 3 A-A is to view;
Fig. 5 is that Fig. 3 B is to view;
Fig. 6 is the pilot bushing structural representation;
Fig. 7 is the test pin structural representation.
Embodiment
Fig. 1 is the utility model structural representation, Fig. 2 is base plate and detects the block structure synoptic diagram, Fig. 3 is for detecting the block structure synoptic diagram, Fig. 4 is that Fig. 3 A-A is to view, Fig. 5 is that Fig. 3 B is to view, Fig. 6 is the pilot bushing structural representation, Fig. 7 is the test pin structural representation, as shown in the figure: the engine EGR operation valve assembly protective cover cubing of present embodiment, comprise base plate 1 and pick-up unit, described pick-up unit comprises for the detection piece 2 of check protective cover shape and position, locating protective mask mounting hole hole with for cooperate the test pin 3 that detects protective cover mounting hole pitch-row with described detection piece 2.
In the present embodiment, described detection piece comprise with the suitable detection faces of protective cover shape 4 and be arranged at described detection faces 4 and with protective cover on the hole be consistent detection hole 5, position, described detection piece is fixedly connected with described base plate; Have four holes on the EGR operation valve assembly protective cover, one of them hole is the design basis hole, there are X-direction and Y-direction in its excess-three hole and this hole apart from size, according to the hole site on the product parts, detecting four holes of piece detection faces design, reaching cubing and product parts hole is position consistency and datum coincidence; Detect piece and fix by bolt I 6 and base plate, detect the piece bottom and be provided with connecting hole I 7, base plate is provided with the connecting hole II, and the connecting hole II does not indicate in the drawings.
In the present embodiment, the 5 interior installations of described detection hole are provided with pilot bushing 8, described pilot bushing 8 and described detection hole 5 interference fit; When exceeding wear limit, replaceable pilot bushing prolongs the cubing life cycle, also can guarantee measuring accuracy when saving cost, and pilot bushing and described detection hole interference fit can realize the installation location of pilot bushing.
In the present embodiment, described detection piece detection faces 4 is curved surface, and described curved surface parallels with the protective cover corresponding position and keeps the 1mm gap; As long as EGR operation valve assembly protective cover can pass through cubing, just can install smoothly and be unlikely to follow the interference of EGR operation valve assembly, can guarantee the measuring accuracy of protective cover shape.
In the present embodiment, described test pin 3 is staircase structural model, comprises the handle portion 9, measurement section 10 and the guide part 11 that set gradually, described handle portion 9, measurement section 10 and guide part 11 is cylindrical-shaped structure and external diameter reduces successively; Wherein guide part matches with pilot bushing, both can guarantee the measuring position of test pin, can guarantee measuring accuracy again; The corresponding hole of detecting of test pin is set to four, and test pin measurement section external diameter can change according to the size of survey protective cover mounting hole; Handle portion 9, measurement section 10 and guide part 11 threes set gradually, and the measuring point is between handle portion and guide part, and wherein the external diameter of handle portion is greater than the measurement section external diameter, and the measurement section external diameter is greater than the guide part external diameter.
In the present embodiment, described test pin guide part 11 and described pilot bushing 8 clearance fit; Can realize inspection pin slip measurement, the installation aperture is unified, and lining is unified, and it is higher to improve this cubing manufacturing economy, and the use durability is higher.
In the present embodiment, described test pin links to each other with described base plate by connection chain 12; Avoid test pin to lose; The connection chain two ends are provided with bolt II 13 and bolt III 13a, and wherein bolt II 13 is connected with test pin handle portion 9, and bolt III 13a is connected with base plate 1.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. engine EGR operation valve assembly protective cover cubing, comprise base plate and pick-up unit, it is characterized in that: described pick-up unit comprises for the detection piece of check protective cover shape and position, locating protective mask mounting hole hole with for cooperate the test pin that detects protective cover mounting hole pitch-row with described detection piece.
2. engine EGR operation valve assembly protective cover cubing according to claim 1, it is characterized in that: described detection piece comprise with the suitable detection faces of protective cover shape and be arranged at described detection faces and with protective cover on the hole be consistent detection hole, position, described detection piece is fixedly connected with described base plate.
3. engine EGR operation valve assembly protective cover cubing according to claim 2 is characterized in that: install in the described detection hole and be provided with pilot bushing, described pilot bushing and described detection hole interference fit.
4. engine EGR operation valve assembly protective cover cubing according to claim 3, it is characterized in that: described detection piece detection faces is curved surface, described curved surface parallels with the protective cover corresponding position and keeps the 1mm gap.
5. engine EGR operation valve assembly protective cover cubing according to claim 4, it is characterized in that: described test pin is staircase structural model, comprise the handle portion, measurement section and the guide part that set gradually, described handle portion, measurement section and guide part are cylindrical-shaped structure and external diameter reduces successively.
6. engine EGR operation valve assembly protective cover cubing according to claim 5 is characterized in that: described test pin guide part and described pilot bushing clearance fit.
7. engine EGR operation valve assembly protective cover cubing according to claim 6, it is characterized in that: described test pin links to each other with described base plate by connection chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165163 CN203249574U (en) | 2013-04-03 | 2013-04-03 | Protective cover testing tool for engine EGR control valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165163 CN203249574U (en) | 2013-04-03 | 2013-04-03 | Protective cover testing tool for engine EGR control valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249574U true CN203249574U (en) | 2013-10-23 |
Family
ID=49376007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320165163 Expired - Fee Related CN203249574U (en) | 2013-04-03 | 2013-04-03 | Protective cover testing tool for engine EGR control valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249574U (en) |
-
2013
- 2013-04-03 CN CN 201320165163 patent/CN203249574U/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: 20131023 Termination date: 20160403 |