CN209927059U

CN209927059U - Cylinder block cylinder hole spigot depth gauge

Info

Publication number: CN209927059U
Application number: CN201921202818.6U
Authority: CN
Inventors: 梁秋容; 陈家兴; 谭树纯
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-01-10
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a cylinder block cylinder hole spigot depth gauge, which belongs to the technical field of engine detection and solves the problem that the detection result is unreliable due to the inaccurate measurement result of a depth gauge; the gauge comprises a dial indicator arranged on a support and a gauge body matched with a cylinder hole of a cylinder body, wherein a measuring plane is arranged at the top end of the gauge body, and an upper limit position reference surface, a convex surface and a lower limit position reference surface are sequentially arranged on the periphery of the gauge body, wherein the upper limit position reference surface is vertically connected with the measuring plane, the convex surface is perpendicular to the axis direction, and the lower limit position reference surface is vertically connected with the convex surface. The utility model discloses can improve detection efficiency and rate of accuracy and convenient operation.

Description

Cylinder block cylinder hole spigot depth gauge

Technical Field

The utility model relates to an engine detects technical field, and more specifically says, especially relates to an utensil is examined to cylinder block jar hole tang degree of depth.

Background

In order to detect whether the depth of the cylinder bore spigot of the cylinder block meets the requirement, the depth of the cylinder bore spigot of the cylinder block needs to be correspondingly measured. Generally, a depth gauge is adopted to carry out multi-point measurement on the depth of a cylinder bore spigot of a cylinder body, then corresponding average value and maximum and minimum values are taken, the measurement result of the depth gauge is directly recorded as depth measurement data once in the measurement process, calculation is not needed, however, the tail end of the depth gauge is not easy to position with the end face of the cylinder bore spigot of the cylinder body when the depth gauge is detected, the obtained data is not accurate enough, the reliability of the measurement result of the depth of the cylinder bore spigot of the cylinder body cannot be guaranteed, the protruding height of each cylinder sleeve after assembly is easily inconsistent, and therefore the cylinder sleeve is difficult to disassemble. Therefore, it is necessary to design a cylinder block bore spigot depth gauge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utensil is examined to cylinder block jar hole tang degree of depth utilizes this utensil of examining to improve detection efficiency and rate of accuracy, has convenient operation's characteristics.

The utility model adopts the technical scheme as follows:

the cylinder block cylinder hole spigot depth gauge comprises a dial indicator arranged on a support and a gauge body matched with a cylinder block cylinder hole, wherein a measuring plane is arranged at the top end of the gauge body, and an upper limit position reference surface, a bulge surface and a lower limit position reference surface are sequentially arranged on the periphery of the gauge body, wherein the upper limit position reference surface is perpendicular to the measuring plane, the bulge surface is perpendicular to the axis direction, and the lower limit position reference surface is perpendicular to the bulge surface.

Further, the diameter of the upper limit position reference surface is smaller than the inner diameter of the cylinder bore.

Further, the outer diameter of the boss surface is smaller than the outer diameter of the cylinder block bore spigot end surface.

Further, the lower limit position reference surface has a diameter smaller than the inner diameter of the cylinder bore spigot end surface.

Further, a distance between the boss face and the measurement plane is larger than a cylinder block bore spigot depth.

Further, the upper limit position reference surface is connected with the convex surface through an inner concave surface.

Furthermore, the detection body is of a hollow structure, and an inverted U-shaped handle is welded on the measurement plane.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

(1) the utility model discloses an utensil is examined to cylinder block cylinder bore tang degree of depth utilizes and examines the measuring plane that can shift the measuring face of cylinder block cylinder bore tang degree of depth to examining concrete top setting from cylinder block cylinder bore tang terminal surface to reach the effect that improves detection efficiency and rate of accuracy.

(2) In addition, a corresponding handle is arranged at the top end of the checking fixture body, so that the operation is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of the embodiment of FIG. 1;

FIG. 3 is a schematic top view of the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of the structure of the dial indicator of FIG. 1;

in the figure, 1, a detection body 11, a measurement plane 12, an upper limit position reference plane 13, an inner concave plane 14, a convex plane 15, a lower limit position reference plane 2, a handle 3, a dial indicator 4 and a support.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Referring to fig. 1 to 4, the utility model discloses an utensil is examined to cylinder block jar hole tang degree of depth, including installing percentage table 3 on support 4 and with the concrete 1 of examining of cylinder block jar hole looks adaptation, the embedded magnet that is equipped with in bottom of support 4 to improve the stability of percentage table, examine concrete 1 top and be provided with measuring plane 11, examine a 1 periphery of the body and set gradually with measuring plane 11 perpendicular upper limit position reference face 12 that meets, perpendicular to axis direction's bellying 14 and with the lower limit position reference face 15 that bellying 14 perpendicular meets. Through the cooperation of the protruding face 14 that detects the body 1 periphery and setting up with cylinder block cylinder bore spigot terminal surface, will examine a body 1 and put into cylinder block cylinder bore to shift the measuring surface of cylinder block cylinder bore spigot degree of depth from cylinder block cylinder bore spigot terminal surface to the measuring plane 11 that detects the body 1 top and set up, utilize support 4 to place percentage table 3 on cylinder block terminal surface, and then measure the protrusion height of corresponding measuring point department measuring plane 11 for cylinder block terminal surface, according to the measuring result with examine the distance calculation cylinder block cylinder bore spigot degree of depth between body 1 periphery protruding face 14 and the measuring plane 11. By utilizing the indexing rate of the dial indicator 3 and the point contact of the measuring head and the measuring plane 11, the detection efficiency and the accuracy can be improved.

Preferably, the upper limit position reference surface 12 has a diameter smaller than the inner diameter of the cylinder bore. The measuring plane 11 arranged at the top end of the detecting body 1 is close to the end face of the cylinder body on the premise of ensuring that the detecting body 1 is smoothly placed into the cylinder hole of the cylinder body, so that the measuring of the dial indicator 3 is facilitated.

Preferably, the outer diameter of the boss surface 14 is smaller than the outer diameter of the cylinder bore spigot end surface. The contact area between the detection body 1 and the cylinder bore spigot end face of the cylinder block can be ensured, and meanwhile, the detection body 1 is favorably and smoothly placed into the cylinder bore of the cylinder block.

Preferably, the lower limit position reference surface 15 has a diameter smaller than the inner diameter of the cylinder bore spigot end surface. It is possible to prevent the detection body 1 from generating unnecessary interference when it is fitted to the cylinder bore.

Preferably, the distance between the convex surface 14 and the measuring plane 11 is greater than the cylinder bore stop depth. So that the detection body 1 has a certain protruding height relative to the end face of the cylinder body, and the dial indicator 4 is convenient to measure the protruding height.

Preferably, the upper limit position reference surface 12 is connected to the convex surface 14 through an inner concave surface 13. The weight of the detecting body 1 can be reduced, the processing efficiency of the detecting body 1 is improved, and the size error of the detecting body 1 during processing is reduced.

Preferably, the detector body 1 is a hollow structure, and a handle 2 in an inverted U shape is welded on the measuring plane 11. The detector body 1 can be quickly lifted and put down through the handle 2, and the operation is convenient.

When the checking fixture is used, the checking fixture body 1 is placed in a cylinder hole of a cylinder block, the position of the checking fixture body 1 in the cylinder hole of the cylinder block is positioned by using the lower limit position reference surface 15, the convex surface 14 is in contact with the spigot end surface of the cylinder hole of the cylinder block, the dial indicator 4 is further placed on the end surface of the cylinder block through the support 3, the protrusion height of the measuring plane 11 at the top end of the checking fixture body 1 relative to the end surface of the cylinder block is measured through the dial indicator 4 at each pre-selected measuring point position, and the maximum and minimum values of the measuring data of each cylinder hole of the cylinder block are taken as the actual measuring result of the protrusion height.

The above description is only for the preferred embodiment of the present invention, and all modifications, equivalents, improvements and the like made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an utensil is examined to cylinder block cylinder hole tang degree of depth, is including installing percentage table (3) on the support (4), its characterized in that: the cylinder body and cylinder bore combined measuring device is characterized by further comprising a detecting body (1) matched with a cylinder bore of a cylinder body, a measuring plane (11) is arranged at the top end of the detecting body (1), and an upper limit position reference surface (12) vertically connected with the measuring plane (11), a convex surface (14) vertical to the axis direction and a lower limit position reference surface (15) vertically connected with the convex surface (14) are sequentially arranged on the periphery of the detecting body (1).

2. The cylinder block bore spigot depth gauge of claim 1, wherein: the upper limit position reference surface (12) has a diameter smaller than the inner diameter of the cylinder bore.

3. The cylinder block bore spigot depth gauge of claim 1, wherein: the outer diameter of the projection surface (14) is smaller than the outer diameter of the cylinder bore spigot end surface.

4. The cylinder block bore spigot depth gauge of claim 1, wherein: the lower limit position reference surface (15) has a diameter smaller than the inner diameter of the cylinder bore spigot end surface.

5. The cylinder block bore spigot depth gauge according to any one of claims 1 to 4, wherein: the distance between the projection surface (14) and the measuring plane (11) is greater than the cylinder bore stop depth.

6. The cylinder block bore spigot depth gauge according to any one of claims 1 to 4, wherein: the upper limit position reference surface (12) is connected with the convex surface (14) through an inner concave surface (13).

7. The cylinder block bore spigot depth gauge of claim 6, wherein: the detection body (1) is of a hollow structure, and an inverted U-shaped handle (2) is welded on the measurement plane (11).