CN214792942U

CN214792942U - Detection tool for detecting symmetry degree of valve seat groove

Info

Publication number: CN214792942U
Application number: CN202120767904.2U
Authority: CN
Inventors: 黄涛
Original assignee: Zhuhai Youxing Precision Industry Machinery Co ltd
Current assignee: Zhuhai Youxing Precision Industry Machinery Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-19
Anticipated expiration: 2031-04-14

Abstract

The utility model provides an examine utensil for detecting valve seat groove symmetry, including the valve seat board, the side symmetry sets up so that detect valve seat inslot profile symmetry around the valve seat board, the last symmetry axis L that extends about being equipped with of valve seat board, be equipped with the first hole of erectting that the center lies in respectively on the symmetry axis L on the valve seat board in proper order, the hole is erected with the third in the second, downwardly extending's valve seat groove exhaust hole detection round pin is installed in first perpendicular hole, downwardly extending's valve seat groove rivet hole detection round pin is installed in the second perpendicular hole, the handle that upwards extends is installed in the third perpendicular hole. The utility model provides a pair of an examine utensil for detecting valve seat groove symmetry has solved the symmetry measurement operation in present traditional valve seat groove and has makeed the symmetry dimensional value that reachs the complete difference easily when measuring the machined part because of the mode that adopts artifical measuring mostly, and then can't obtain accurate measuring result, leads to the processing at the valve seat groove to become unusual difficulty for the poor problem of valve seat groove symmetry that processes out.

Description

Detection tool for detecting symmetry degree of valve seat groove

Technical Field

The utility model relates to a measuring tool technical field especially relates to an examine utensil for detecting valve seat groove symmetry.

Background

At present, in the operation of measuring the symmetry degree of the valve seat groove in the prior art, the valve seat is often detached from a machine tool and then manually measured by using an external thread tooth-type height gauge so as to ensure the symmetry degree of the valve seat groove.

However, in practice, it is found that, because the traditional symmetry measurement operation of the valve seat groove mostly adopts a manual measurement mode, different people can obtain completely different symmetry dimension values when measuring a workpiece, and further an accurate measurement result cannot be obtained, so that not only is the processing of the valve seat groove abnormally difficult, but also the symmetry of the processed valve seat groove is poor, a large amount of labor and time are consumed, and the work efficiency and the production efficiency are greatly influenced.

Therefore, it is desirable to provide a check tool for checking symmetry of a valve seat groove to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an examine utensil for detecting valve seat groove symmetry, the symmetry measurement operation of having solved present traditional valve seat groove makes because of the mode that adopts artifical measuring for most makes and reachs completely different symmetry dimensional value when measuring the machined part easily, and then can't obtain accurate measuring result, not only lead to the processing at the valve seat groove to become unusual difficulty, make the valve seat groove symmetry of processing out poor, consume a large amount of manpowers and time, still very big influence work and production efficiency's problem, can guarantee that the symmetry location of valve seat groove is accurate and quick, with improve work and production efficiency.

For solving the technical problem, the utility model discloses a technical scheme provide an examine utensil for detecting valve seat groove symmetry, including valve seat plate 1, the side symmetry sets up so that detect valve seat inslot profile symmetry around valve seat plate 1, be equipped with the symmetry axis L of extending about being equipped with on valve seat plate 1, it erects hole 12 and third perpendicular hole 13 to be equipped with the first hole 11, the second that erects that the center lies in on the symmetry axis L respectively on valve seat plate 1 in proper order, downwardly extending's valve seat groove exhaust hole detects round pin 2 is installed to first perpendicular hole 11, downwardly extending's valve seat groove detection rivet hole 3 is installed to third perpendicular hole 13, upwardly extending's handle 4 is installed to second perpendicular hole 12.

Preferably, left side cylindrical outer wall surface 14 having central angle a of 300 degrees is provided on the left side of valve seat plate 1, and right side cylindrical outer wall surface 15 having central angle B of 180 degrees is provided on the right side of valve seat plate 1.

Preferably, the handle 4 further comprises a holding portion 41 and a holding connecting portion 42; the diameter of the holding part 41 is larger than that of the retaining connection part 42, the head end of the retaining connection part 42 is connected to the lower part of the holding part 41, the tail end of the retaining connection part 42 is vertically inserted into the second vertical hole 12, the holding part 41 and the retaining connection part 42 are coaxial, and the lower end of the holding part 41 is vertically attached to the upper part of the valve seat plate 1.

Preferably, the grip portion 41 has an anti-slip pattern 43 on the outer surface thereof.

Preferably, the valve seat groove vent hole detection pin 2 is in threaded connection with the first vertical hole 11, the valve seat groove rivet hole detection pin 3 is in threaded connection with the third vertical hole 13, and the clamping connection portion 42 is in threaded connection with the second vertical hole 12.

Preferably, the two end portions of the valve seat groove vent hole detection pin 2 and the valve seat groove rivet hole detection pin 3 and the end portion of the retaining connection portion 42 are provided with a chamfered structure.

The utility model has the advantages that: the utility model provides a pair of an examine utensil for detecting valve seat groove symmetry, the symmetry that has solved present traditional valve seat groove measures the operation and makes because of the mode that adopts artifical measuring mostly reachs completely different symmetry dimensional value when measuring the machined part easily, and then can't obtain accurate measuring result, not only lead to becoming unusual difficulty in the processing of valve seat groove, make the valve seat groove symmetry of processing out poor, still can consume a large amount of manpowers and time, very big influence work and production efficiency's problem, can guarantee that the symmetry location of valve seat groove is accurate and quick, with improve work and production efficiency.

Drawings

Fig. 1 is a three-dimensional structure diagram of a checking fixture for detecting symmetry of a valve seat groove of the present invention;

FIG. 2 is a front view structural diagram of a checking fixture for detecting symmetry of a valve seat groove of the present invention;

fig. 3 is a plan view of the valve seat plate shown in fig. 1.

The names of the parts corresponding to the numerical identifiers in the drawings of the specification are respectively as follows:

a valve seat plate 1; a valve seat groove exhaust hole detection pin 2; a valve seat groove rivet hole detection pin 3; a handle 4; a first vertical hole 11; a second vertical hole 12; a third vertical hole 13; a left cylindrical outer sidewall 14; a right cylindrical outer sidewall 15; a grip portion 41; the chucking connection portion 42; non-slip embossments 43.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the drawings.

Referring to fig. 1 to 3, the inspection device for detecting symmetry of a valve seat slot of the present embodiment includes a valve seat plate 1, the front and rear sides of the valve seat plate 1 are symmetrically disposed so as to detect symmetry of an inner contour of the valve seat slot, a symmetry axis L extending left and right is disposed on the valve seat plate 1, a first vertical hole 11, a second vertical hole 12 and a third vertical hole 13 are sequentially disposed on the valve seat plate 1, centers of the first vertical hole 11, the second vertical hole 12 and the third vertical hole 13 are respectively located on the symmetry axis L, a valve seat slot vent hole detection pin 2 extending downward is mounted on the first vertical hole 11, a valve seat slot rivet hole detection pin 3 extending downward is mounted on the third vertical hole 13, and an upward extending handle 4 is mounted on the second vertical hole 12.

In this embodiment, when detecting the symmetry of the valve seat groove, the valve seat groove vent hole detection pin 2, the valve seat groove rivet hole detection pin 3, and the handle 4 may be installed on the valve seat plate 1, and then the holding portion 41 may be held by hand to align the valve seat groove vent hole detection pin 2 with the vent hole on the valve seat groove, and check whether the valve seat groove vent hole detection pin 2 can be engaged with the vent hole on the valve seat groove without leaving a wire gap; if so, checking whether the valve seat groove rivet hole detection pin 3 can not leave a wire gap to be matched with the rivet hole on the valve seat groove; if yes, continuously checking whether the valve seat plate 1 is matched with the valve seat groove without a wire gap, and if yes, proving that the symmetry of the valve seat groove detected at this time meets the specification requirement without reworking;

and if any one of the valve seat plate 1, the valve seat groove vent hole detection pin 2 and the valve seat groove rivet hole detection pin 3 on the detection tool structure cannot be fitted with the valve seat groove without leaving a wire gap, the detection tool structure cannot be completely fitted on the valve seat groove even if other structures can be fitted without leaving a wire gap.

Preferably, the operation of holding the holding part 41 by hand to align the checking fixture structure with the valve seat groove to check the symmetry of the valve seat groove can be completed by manual operation or by mechanical operation, which is not limited in this application.

Preferably, the size and the symmetry of the check tool structure are set according to the size parameter of the symmetry of each valve seat groove to be detected, wherein each check tool structure is only suitable for one corresponding valve seat groove to be detected.

Preferably, adopt the mode of thread tightening to be fixed in valve seat board 1 with valve seat groove exhaust hole detection round pin 2, valve seat groove rivet hole detection round pin 3 and handle 4 on for it can't remove, can avoid causing the phenomenon that the testing result makes mistakes because of taking place the skew in the testing process.

Preferably, the design of adopting the chamfer structure can let the valve seat groove exhaust hole detect round pin 2 and the valve seat groove rivet hole detect round pin 3 and insert exhaust hole and rivet hole on the valve seat groove more easily to and let the card hold connecting portion 42 and assemble to the valve seat board 1 in more easily.

In addition, the design of the anti-slip embossed pattern 43 not only has the anti-slip effect, can be stably used, but also can enhance the beauty to a certain extent.

It can be seen that, implementing the utensil of examining for detecting valve seat groove symmetry that fig. 1-3 described, the symmetry that has solved present traditional valve seat groove measures the operation and makes and obtain completely different symmetry dimensional value when measuring the machined part because of mostly adopting the mode of manual measurement, and then can't obtain accurate measuring result, not only lead to the processing at the valve seat groove to become unusual difficulty, make the valve seat groove symmetry of processing out poor, consume a large amount of manpowers and time, very big influence work and production efficiency's problem, can guarantee that the symmetry location of valve seat groove is accurate and quick, in order to improve work and production efficiency.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same reason as the protection scope of the present invention.

Claims

1. The utility model provides an examine utensil for detecting valve seat groove symmetry which characterized in that: including valve seat board (1), the side symmetry sets up so that detect profile symmetry in the valve seat groove around valve seat board (1), be equipped with the symmetry axis L that extends about on valve seat board (1), be equipped with first perpendicular hole (11), second that the center lies in respectively on the symmetry axis L on valve seat board (1) and erect hole (12) and third and erect hole (13), downwardly extending's valve seat groove exhaust hole detection round pin (2) is installed in first perpendicular hole (11), downwardly extending's valve seat groove rivet hole detection round pin (3) is installed in third perpendicular hole (13), the second erects hole (12) and installs handle (4) that upwards extend.

2. The fixture for detecting symmetry of a valve seat pocket according to claim 1, wherein:

the left side of valve seat board (1) is equipped with that central angle A is 300 degrees left side cylindricality outside wall (14), the right side of valve seat board (1) is equipped with that central angle B is 180 degrees right side cylindricality outside wall (15).

3. The fixture for detecting symmetry of a valve seat pocket according to claim 1, wherein:

the handle (4) further comprises a holding part (41) and a clamping connecting part (42); the diameter of the holding part (41) is larger than that of the clamping connecting part (42), the head end of the clamping connecting part (42) is connected to the lower part of the holding part (41), the tail end of the clamping connecting part is vertically inserted into the second vertical hole (12), the holding part (41) and the clamping connecting part (42) are coaxial, and the lower end of the holding part (41) is vertically attached to the upper part of the valve seat plate (1).

4. A tool for detecting symmetry of a seat pocket according to claim 3, wherein: the outer surface of the holding part (41) is provided with an anti-slip embossing (43).

5. A tool for detecting symmetry of a seat pocket according to claim 3, wherein:

valve seat groove exhaust hole detects round pin (2) with first perpendicular hole (11) threaded connection, valve seat groove rivet hole detect round pin (3) with third perpendicular hole (13) threaded connection, the card hold connecting portion (42) with second perpendicular hole (12) threaded connection.

6. A gauge for detecting symmetry of a seat pocket according to claim 3, 4 or 5, wherein: the valve seat groove vent hole detection pin (2), the two end parts of the valve seat groove rivet hole detection pin (3) and the tail end part of the clamping connection part (42) are provided with chamfer structures.