CN216348500U - Detection tool for valve seat ring faller line depth - Google Patents
Detection tool for valve seat ring faller line depth Download PDFInfo
- Publication number
- CN216348500U CN216348500U CN202122320435.2U CN202122320435U CN216348500U CN 216348500 U CN216348500 U CN 216348500U CN 202122320435 U CN202122320435 U CN 202122320435U CN 216348500 U CN216348500 U CN 216348500U
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- China
- Prior art keywords
- valve seat
- measuring
- seat ring
- measuring block
- faller
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Abstract
The utility model discloses a detection tool for valve seat ring Fall line depth, relates to an engine detection device, and solves the technical problem that the existing detection method is easy to cause large measurement value deviation due to different operators. The device comprises a measuring meter, a seat frame and a measuring block; the measuring meter is arranged on the seat frame, the measuring block is movably inserted in the seat frame through the reset assembly, and the meter head of the measuring meter is in contact connection with the top end face of the measuring block; the bottom of the measuring block is provided with a positioning structure capable of positioning the measuring block on a valve seat ring faller line, and the bottom of the seat frame is provided with a detection plane matched with the end face of the cylinder cover outside the valve seat ring. The utility model has simple operation, short measuring time and reliable measurement, can not cause the deviation of measured values due to different operators or different times of measurement, and ensures the accuracy and consistency of measured data.
Description
Technical Field
The utility model relates to an engine detection device, in particular to a detection tool for valve seat ring faller line depth.
Background
The valve seat ring of the engine plays a key role in the air distribution process of the engine. The size precision of the valve seat ring Fall line depth directly influences the sealing performance of the engine, and the quality of the sealing performance directly influences the dynamic performance and the reliability of the engine. At present, the valve seat ring Fall line depth detection mainly depends on a three-coordinate detection method. However, the method is long in detection time and not beneficial to production. And the detection requirement is high, and the problem of large deviation of the measured value is easy to occur due to different operators.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, provides a detection tool for the valve seat ring faller line depth, is simple to operate and reliable in measurement, cannot cause the deviation of measured values due to different operators or different times of measurement, and ensures the accuracy and consistency of measured data.
The utility model relates to a detection tool for valve seat ring Fall line depth, which comprises a measuring meter, a seat frame and a measuring block, wherein the seat frame is provided with a measuring hole; the measuring meter is arranged on the seat frame, the measuring block is movably inserted in the seat frame through the reset assembly, and the meter head of the measuring meter is in contact connection with the top end face of the measuring block; the bottom of the measuring block is provided with a positioning structure capable of positioning the measuring block on a valve seat ring faller line, and the bottom of the seat frame is provided with a detection plane matched with the end face of the cylinder cover outside the valve seat ring.
In a further improvement, the positioning structure comprises a conical groove and a reference plane; the conical surface groove is formed in the edge of the bottom of the measuring block, and the shape of the conical surface groove is matched with that of the valve seat ring; the reference plane is arranged at the bottom end of the measuring block, and the distance between the reference plane and the top end of the conical surface groove is equal to the distance between the top end of the valve seat ring and a Fall line of the valve seat ring.
Further, the reset assembly comprises a return spring; the measuring device is characterized in that a mounting cavity is formed in the seat frame, the measuring block is movably inserted in the mounting cavity, one end of the return spring is connected with the top end of the measuring block, and the other end of the return spring is connected with the top end of the mounting cavity.
Furthermore, a limiting rod is arranged at the top end of the measuring block, and the return spring is sleeved on the limiting rod; the top of seat frame is equipped with extends the seat, it has the spliced eye that is linked together with the installation cavity to open in the seat to extend, the top at extending the seat is installed to the meter, the gauge outfit and the gag lever post of meter are all pegged graft in the spliced eye.
Furthermore, a positioning sliding groove is formed in the side wall of the limiting rod, a tightening bolt is screwed on the side wall of the extension seat, and the tail end of the tightening bolt penetrates through the extension seat and is inserted into the positioning sliding groove.
Furthermore, the limiting rod and the measuring block are of an integrated structure.
Furthermore, a guide rod matched with the valve guide pipe is arranged below the measuring block.
Furthermore, the guide rod and the measuring block are of an integrated structure.
Furthermore, the detection tool further comprises a calibration block; and a standard calibration structure is arranged in the calibration block.
Advantageous effects
The utility model has the advantages that:
(1) whether the valve seat ring fall line depth meets the design standard or not is detected through the measuring block movably arranged in the seat frame. The method is simple to operate and reliable in measurement, deviation of measured values cannot occur due to different operators or different times of measurement, and accuracy and consistency of measured data are guaranteed. And the measurement is convenient and fast, the time consumption is short, and the detection efficiency is greatly improved.
(2) The both ends of measuring block have set up gag lever post and guide bar respectively, can effectual improvement testing process's stability, reduce measuring error.
(3) The positioning sliding groove and the jacking bolt arranged on one side of the limiting rod can position the limiting rod so as to facilitate reading.
Drawings
FIG. 1 is a schematic view of an installation structure of the detection tool during detection according to the present invention;
FIG. 2 is a schematic view of an installation structure of the inspection tool of the present invention during calibration;
FIG. 3 is a schematic diagram of a measuring block structure according to the present invention;
fig. 4 is a schematic diagram of a frame structure of the present invention.
Wherein: the method comprises the following steps of 1-a measuring meter, 2-a seat frame, 3-a measuring block, 4-a valve seat ring, 5-a cylinder cover, 6-a detection plane, 7-a conical surface groove, 8-a reference plane, 9-a return spring, 10-an installation cavity, 11-a limiting rod, 12-an extension seat, 13-an insertion hole, 14-a positioning sliding groove, 15-a puller bolt, 16-a guide rod, 17-a calibration block, 18-a valve guide pipe and 19-a hoop.
Detailed Description
The utility model is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.
Referring to fig. 1-4, the tool for detecting the valve seat ring fall line depth comprises a measuring gauge 1, a seat frame 2 and a measuring block 3. The measuring instrument 1 is arranged on the seat frame 2, the measuring block 3 is movably inserted in the seat frame 2 through the reset component, and the head of the measuring instrument 1 is connected with the top end face of the measuring block 3 in a contact manner. The bottom of the measuring block 3 is provided with a positioning structure which can position the measuring block on the valve seat ring 4 Fall line, and the bottom of the seat frame 2 is provided with a detection plane 6 matched with the end surface of the cylinder cover 5 outside the valve seat ring 4.
During detection, the measuring block 3 is inserted into the mounting groove of the valve seat ring 4, and the positioning structure is tightly attached to the valve seat ring 4. The end face of the bottom end of the measuring block 3 at the moment is flush with the fire line. Then, the seat frame 2 is pressed down to make the detection plane 6 closely attached to the end face of the cylinder head 5. In the process of moving the seat frame 2 downwards, the measuring meter 1 also moves downwards along with the seat frame, but the head of the measuring meter is limited by the measuring block 3, so that the measuring meter 1 can measure the downward movement displacement of the measuring meter, and the detection of the valve seat ring 4 on the depth of a Fall line is realized. Namely, the error value between the depth of the valve seat ring 4 normal line in measurement and the depth of the standard valve seat ring 4 normal line can be read through the measuring table 1. The detection is simple in operation, short in measurement time and reliable in measurement, deviation of measured values cannot occur due to different operators or different times of measurement, and accuracy and consistency of measured data are guaranteed.
The positioning structure of the present embodiment comprises a conical groove 7 and a reference plane 8. The conical surface groove 7 is formed in the edge of the bottom of the measuring block 3, the shape of the conical surface groove 7 is matched with that of the valve seat ring 4, and the measuring block 3 is positioned. The reference plane 8 is arranged at the bottom end of the measuring block 3, and the distance between the reference plane 8 and the top end of the conical surface groove 7 is equal to the distance between the top end of the valve seat ring 4 and a faller line thereof, so that the measuring accuracy and reliability are ensured.
Preferably, the return assembly comprises a return spring 9. An installation cavity 10 is formed in the seat frame 2, the measuring block 3 is movably inserted in the installation cavity 10, one end of the return spring 9 is connected with the top end of the measuring block 3, and the other end of the return spring 9 is connected with the top end of the installation cavity 10, so that the seat frame 2 returns to a free state.
The top end of the measuring block 3 is provided with a limiting rod 11, and the return spring 9 is sleeved on the limiting rod 11. An extension seat 12 is arranged above the seat frame 2, an insertion hole 13 communicated with the installation cavity 10 is formed in the extension seat 12, and the measuring instrument 1 is installed above the extension seat 12. In particular, the meter 1 is mounted on the mounting 2 by means of a locking assembly. And the locking assembly comprises a collar 19 and a locking bolt. The installation of the measuring instrument 1 is realized through the locking action of the clamp 19 and the locking bolt. The gauge outfit and the limiting rod 11 of the measuring gauge 1 are inserted in the insertion hole 13. Through the setting of gag lever post 11, can effectual improvement seat frame 2 in the stability of pushing down the in-process, reduce measuring error.
Preferably, a positioning sliding groove 14 is formed in the side wall of the limiting rod 11, a tightening bolt 15 is screwed on the side wall of the extension seat 12, and the tail end of the tightening bolt 15 penetrates through the extension seat 12 and is inserted into the positioning sliding groove 14. The measuring block 3 can be locked to the mounting 2 by means of the jack bolts 15 for easy reading.
Preferably, the limiting rod 11 and the measuring block 3 are of an integrated structure, so that the connection reliability of the limiting rod 11 and the measuring block 3 is improved.
Preferably, a guide rod 16 matched with the valve guide pipe 18 is arranged below the measuring block 3 and used for guiding the measuring block 3, so that the measuring block is stably and accurately inserted into the mounting groove of the valve seat ring 4 to play a role in reducing measuring errors.
Preferably, the guide rod 16 and the measuring block 3 are of an integral structure, so as to increase the reliability of the connection between the guide rod 16 and the measuring block 3.
Preferably, the detection tool further comprises a calibration block 17. The calibration block 17 has standard calibration structures provided therein. Specifically, the standard calibration structure is designed according to a standard valve seat ring 4 and the depth of a fire line thereof, and is used for calibrating the measuring block 3 so as to further reduce the measuring error. The standard calibration structure includes a standard flat surface and a standard tapered slot. Wherein, the standard plane is used for limiting the downward movement of the seat frame 2; the standard conical grooves are used for positioning the measuring block 3. When the seat frame 2 is contacted with the standard plane of the calibration block 17, the distance between the standard plane and the bottom end face of the measurement block 3 is the distance between the end face of the cylinder cover 5 and the valve seat ring 4 by the Fall line. At this moment, zero setting gauge 1 can realize the calibration to detecting the frock.
The working principle of the utility model is as follows: the measurement table 1 is first calibrated by means of the calibration block 17. Then the calibrated detection tool is arranged on the valve seat ring 4 with detection, and the measuring block 3 is inserted in the mounting groove of the valve seat ring 4. And simultaneously, the conical surface groove 7 at the bottom of the measuring block 3 is ensured to be tightly attached to the valve seat ring 4. Then, the seat frame 2 is pressed down so that the detection plane 6 at the bottom thereof is closely attached to the end face of the cylinder head 5. The value in the measurement table 1 at this time is read.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.
Claims (9)
1. A detection tool for valve seat ring Fall line depth comprises a measuring meter (1), and is characterized by further comprising a seat frame (2) and a measuring block (3); the measuring instrument (1) is installed on the seat frame (2), the measuring block (3) is movably inserted into the seat frame (2) through the reset assembly, and the head of the measuring instrument (1) is in contact connection with the top end face of the measuring block (3); the bottom of the measuring block (3) is provided with a positioning structure capable of positioning the measuring block on a valve seat ring (4) fal line, and the bottom of the seat frame (2) is provided with a detection plane (6) matched with the end surface of the cylinder cover (5) outside the valve seat ring (4).
2. The tool for detecting the valve seat ring faller line depth is characterized in that the positioning structure comprises a conical surface groove (7) and a reference plane (8); the conical surface groove (7) is formed in the edge of the bottom of the measuring block (3), and the shape of the conical surface groove (7) is matched with that of the valve seat ring (4); the base plane (8) is arranged at the bottom end of the measuring block (3), and the distance between the base plane (8) and the top end of the conical surface groove (7) is equal to the distance between the top end of the valve seat ring (4) and a faller line of the valve seat ring.
3. The tool for detecting the valve seat ring faller line depth is characterized in that the reset assembly comprises a return spring (9); an installation cavity (10) is formed in the seat frame (2), the measuring block (3) is movably inserted in the installation cavity (10), one end of the return spring (9) is connected with the top end of the measuring block (3), and the other end of the return spring (9) is connected with the top end of the installation cavity (10).
4. The tool for detecting the valve seat ring fall line depth as claimed in claim 3, wherein a limiting rod (11) is arranged at the top end of the measuring block (3), and the return spring (9) is sleeved on the limiting rod (11); the measuring instrument is characterized in that an extension seat (12) is arranged above the seat frame (2), an insertion hole (13) communicated with the installation cavity (10) is formed in the extension seat (12), the measuring instrument (1) is arranged above the extension seat (12), and a meter head and a limiting rod (11) of the measuring instrument (1) are inserted into the insertion hole (13).
5. The tool for detecting the valve seat ring faller line depth according to claim 4, characterized in that a positioning sliding groove (14) is formed in the side wall of the limiting rod (11), a puller bolt (15) is screwed on the side wall of the extension seat (12), and the tail end of the puller bolt (15) penetrates through the extension seat (12) and is inserted into the positioning sliding groove (14).
6. The tool for detecting the valve seat ring faller line depth according to claim 4, characterized in that the limiting rod (11) and the measuring block (3) are of an integrated structure.
7. The tool for detecting the valve seat ring faller line depth is characterized in that a guide rod (16) matched with a valve guide pipe (18) is arranged below the measuring block (3).
8. The tool for detecting the valve seat ring faller line depth is characterized in that the guide rod (16) and the measuring block (3) are of an integrated structure.
9. The tool for detecting the valve seat ring faller line depth is characterized by further comprising a calibration block (17); the calibration block (17) is provided with a standard calibration structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122320435.2U CN216348500U (en) | 2021-09-24 | 2021-09-24 | Detection tool for valve seat ring faller line depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122320435.2U CN216348500U (en) | 2021-09-24 | 2021-09-24 | Detection tool for valve seat ring faller line depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216348500U true CN216348500U (en) | 2022-04-19 |
Family
ID=81172042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122320435.2U Active CN216348500U (en) | 2021-09-24 | 2021-09-24 | Detection tool for valve seat ring faller line depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216348500U (en) |
-
2021
- 2021-09-24 CN CN202122320435.2U patent/CN216348500U/en active Active
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