CN219200297U

CN219200297U - Measuring jig

Info

Publication number: CN219200297U
Application number: CN202222650266.3U
Authority: CN
Inventors: 卞玉森; 李敏杰; 邱晓晨
Original assignee: SHANGHAI JIAOYUN AUTOMOBILE FINE BLANKING CO Ltd
Current assignee: SHANGHAI JIAOYUN AUTOMOBILE FINE BLANKING CO Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-06-16
Anticipated expiration: 2033-05-16

Abstract

The application relates to a measuring jig, and relates to the technical field of gauge manufacturing, and the measuring jig comprises a base, wherein a measuring groove for measuring the outer diameter of a disc part is formed in the base, a measuring block for detecting the diameter of a through hole is arranged on the base, and a detecting mechanism for detecting the roundness of the inner wall of the through hole is arranged on the measuring block; the detection mechanism comprises a measuring cylinder detachably connected to the measuring block, a dial indicator fixedly connected to the measuring cylinder and far away from one end of the measuring block, a measuring rod sliding in the measuring block, and a linkage structure for linking the dial indicator and the measuring block, wherein a first groove for sliding of the measuring rod is formed in the measuring block. The circular measuring device has the effect of being capable of simply measuring the inner diameter of the disc part, the outer diameter of the disc part and the roundness of the inner wall of the through hole.

Description

Measuring jig

Technical Field

The application relates to the technical field of gauge manufacturing, in particular to a measuring jig.

Background

The utility model patent with the application number of CN202494404U discloses a plug gauge, which comprises a rod body, a go gauge and a no-go gauge, wherein the go gauge and the no-go gauge are respectively connected to two ends of the rod body, the diameter of the go gauge is equal to the minimum value allowed by the measured hole diameter, the diameter of the no-go gauge is equal to the maximum value allowed by the measured hole diameter, a through hole for exhausting is formed in the rod body, one end of the through hole is opened at the outer end face of the go gauge, and the other end of the through hole is opened at the outer end face of the no-go gauge. The plug gauge has the following advantages: the efficiency of measurement is improved, and measuring result is more accurate, when measuring the blind hole, can be with the air discharge in the blind hole, in the smooth and easy stopper of convenient plug gauge inserts the blind hole.

As shown in fig. 7, the existing manufacturer produces an automobile part, which is generally made of a metal material, and the above-mentioned part is called a disc part 16, where the disc part 16 includes a turntable 161 and a through hole 162 formed in the turntable 161, and in actual production, the diameter of the through hole 162, the outer diameter of the turntable 161, and the roundness of the inner wall of the through hole 162 need to be detected, and in detection, the plug gauge, the vernier caliper, and the roundness measuring instrument are generally selected for measurement.

When an operator detects the inside diameter of the disc member 16 by the above-described plug gauge, the plug gauge is typically inserted into the through hole 162, and the inside diameter of the disc member 16 is standardized when the plug gauge is fully inserted into the through hole 162.

When an operator detects the outer diameter of the turntable 161 through the vernier caliper, two outer measuring claws of the vernier caliper are usually required to be respectively clung to the outer wall of the turntable 161 and the inner wall of the through hole 162, and then the vernier caliper readings are read, and when the standard readings of the outer diameter of the turntable 161 are consistent, the outer diameter of the turntable 161 meets the standard.

When an operator measures the roundness of the inner wall of the through hole 162 through the roundness measuring instrument, the disc part 16 is usually placed on a turntable of the roundness measuring instrument, the roundness of the inner wall of the through hole 162 is measured through a roundness measuring instrument probe, and when the measured indication is consistent with the roundness standard indication, the roundness of the inner wall of the through hole 162 meets the standard.

The inventors believe that in the above-mentioned technical solution, when the diameter of the through hole 162, the outer diameter of the disc member 16, and the roundness of the inner wall of the through hole 162 need to be measured, a plurality of different devices are required, and the devices are required and the operation is complicated.

Disclosure of Invention

In order to simply measure the inner diameter of the disc part, the outer diameter of the disc part and the roundness of the inner wall of the through hole, the application provides a measuring jig.

The application provides a measure tool adopts following technical scheme:

the measuring jig comprises a base, wherein a measuring groove for measuring the outer diameter of a disc part is formed in the base, a measuring block for detecting the diameter of a through hole is arranged on the base, and a detecting mechanism for detecting the roundness of the inner wall of the through hole is arranged on the measuring block; the detection mechanism comprises a measuring cylinder which is detachably connected to the measuring block, a dial indicator which is fixedly connected to the measuring cylinder and is far away from one end of the measuring block, a measuring rod which slides in the measuring block, and a linkage structure which is used for linkage of the dial indicator and the measuring rod, wherein a first groove which is used for sliding of the measuring rod is formed in the measuring block.

By adopting the technical scheme, when an operator needs to measure the outer diameter of the disc part, the disc part is placed on the measuring groove, and when the disc part is completely embedded in the measuring groove, the outer diameter of the disc part meets the standard; when an operator needs to measure the diameter of the through hole, the operator places the measuring block in the through hole, and when the measuring block is completely embedded in the through hole, the diameter of the through hole meets the standard; when the operator needs to measure the roundness of the inner wall of the through hole, the operator puts the measuring block into the through hole and rotates the measuring block, at the moment, the measuring rod slides towards the direction deviating from the inner wall of the through hole, meanwhile, the linkage structure transmits the position change of the measuring rod to the dial indicator, the indication number of the dial indicator changes, when the data measured by the dial indicator are positioned in the roundness standard error range, the roundness of the inner wall of the through hole accords with the standard, the inner diameter of the disc part, the outer diameter of the disc part and the roundness of the inner wall of the through hole are detected, multiple equipment operation is not needed, the detection operation flow is simplified, and the inner diameter of the disc part, the outer diameter of the disc part and the roundness of the inner wall of the through hole are measured simply.

Optionally, the linkage structure is in including seting up second recess, coaxial fixed connection on the measuring block are in connecting rod on the measuring head of amesdial, seting up the connecting rod is kept away from the first direction inclined plane of amesdial one end, seting up the measuring rod is kept away from the second direction inclined plane of through-hole inner wall one end, the second recess with first recess is the intercommunication setting, first direction inclined plane with the second direction inclined plane is the laminating setting.

The known measuring rod is perpendicular to the connecting rod, through adopting above-mentioned technical scheme, at the in-process that detects through-hole inner wall circularity, measuring rod one end contact through-hole inner wall, and the measuring block rotates makes the measuring rod slide towards the connecting rod direction, under the effect of first direction inclined plane and second direction inclined plane, and the connecting rod is vertical upwards to slide with the measurement head to make the dial indicator number change, when dial indicator measured data is located roundness error within range, through-hole inner wall circularity accords with the standard.

Optionally, a ball groove is formed in the measuring rod, and a measuring ball is embedded in the ball groove.

When the operator measures through-hole inner wall circularity, there is wearing and tearing when the one end laminating through-hole inner wall of measuring stick towards the through-hole inner wall rotates, through adopting above-mentioned technical scheme, when the measuring piece rotates in the through-hole, the measuring ball laminating through-hole inner wall rotates and makes the measuring stick be difficult to produce wearing and tearing to the life of extension measuring stick.

Optionally, fixedly connected with installation cover on the base the fixed connection has the cassette that is used for inlaying to establish the measuring block in the installation cover, be formed with the recess of placing that is used for placing the cassette in the installation cover.

Through adopting above-mentioned technical scheme, when measuring the piece and need not use, the operator inlays the measuring block and establishes in the joint seat, is convenient for measure the daily arrangement of piece.

Optionally, a third groove convenient for picking up the disc part is formed in the base, and the third groove is communicated with the measuring groove.

Through adopting above-mentioned technical scheme, when disc part needs to be changed, in the operator stretched into the third recess with the hand, the laminating disc part external diameter of palm, and the thumb stretches into in the through-hole and takes up the disc part.

Optionally, two fourth grooves convenient for holding the base are formed in the base, and the two fourth grooves are symmetrically arranged.

When an operator needs to move the base to the designated position, the weight of the base is large, so that the base is not easy to operate when the operator places the base.

Optionally, the handheld recess of the handheld measuring cylinder of being convenient for has been seted up on the measuring cylinder, handheld recess is circular-arc, be provided with the gasket on the base, the gasket is located the base deviates from one side of amesdial.

Through adopting above-mentioned technical scheme, when the operator needs to take up the measuring piece from the joint seat, the operator takes up the measuring piece through handheld measuring cylinder, and handheld recess has increased the frictional force of operator's palm and measuring cylinder and is convenient for the operator to take up the measuring cylinder, and the setting of handheld recess makes the measuring cylinder be difficult to the landing in the operator's palm, when the operator needs place the base at appointed place, makes the base place more stable under the cushioning effect of gasket.

The base is provided with an anti-rust coating, and the anti-rust coating is a galvanized anti-rust coating.

By adopting the technical scheme, the corrosion resistance of the base is convenient to improve.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the outer diameter of the disc part is required to be measured by an operator, the disc part is placed in the placement groove, when the disc part is completely embedded in the placement groove, the outer diameter of the disc part meets the standard, when the diameter of the through hole is required to be measured, the measuring block is embedded in the through hole, when the measuring block is completely embedded in the through hole, the diameter of the through hole meets the requirement, when the roundness of the inner wall of the through hole is required to be measured by the operator, the measuring block is placed in the through hole, the measuring block is rotated, and when the micrometer gauge is stable and is within the range of the roundness standard error, the roundness of the inner wall of the through hole meets the standard.

2. When the operator measures through-hole inner wall circularity, the one end laminating through-hole inner wall of measuring stick orientation through-hole inner wall rotates and has wearing and tearing, through adopting above-mentioned technical scheme, when the measuring piece rotates in the through-hole, and the measuring ball laminating through-hole inner wall rotates for the measuring stick is difficult to produce wearing and tearing, extension measuring stick life.

3. When the operator needs to take up the measuring block from the clamping seat, the operator takes up the measuring block through holding the measuring cylinder, and the friction force between the palm of the operator and the measuring cylinder is increased through holding the groove, so that the operator can conveniently take up the measuring cylinder, and when the operator needs to place the base at a designated place, the base is placed more stably under the buffer effect of the gasket.

Drawings

FIG. 1 is an isometric view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural view of the detection mechanism and the linkage structure in the present embodiment;

FIG. 3 is a schematic diagram of a handheld recess structure in this embodiment;

FIG. 4 is a schematic view of the mechanism of the ball groove and the measuring ball in this embodiment;

FIG. 5 is an axial schematic view of the whole structure of the present embodiment, mainly used for showing the structure of the measuring groove and the third groove;

FIG. 6 is a schematic view of the structure of the rust inhibitive coating and the gasket in this example;

fig. 7 is a schematic view of a disk part of the prior art.

Reference numerals: 1. a base; 2. measuring grooves; 3. a measuring block; 4. a detection mechanism; 41. a measuring cylinder; 42. a dial gauge; 43. a measuring rod; 44. a first groove; 5. a linkage structure; 51. a second groove; 52. a connecting rod; 53. a first guiding inclined surface; 54. a second guiding inclined surface; 6. a mounting sleeve; 7. a clamping seat; 8. placing the groove; 9. a third groove; 10. a fourth groove; 11. a hand-held groove; 12. a gasket; 13. an anti-rust coating; 14. a ball groove; 15. a measuring ball; 16. a disc part; 161. a turntable; 162. and a through hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a measurement jig.

Referring to fig. 1, a measuring fixture comprises a base 1, wherein a measuring block 3 for detecting the diameter of a through hole 162 is arranged on the base 1, the measuring block 3 is arranged into a cylindrical measuring block 3, when an operator needs to detect the diameter of the through hole 162, the operator embeds the measuring block 3 into the through hole 162, and when the outer wall of the measuring block 3 is attached to the inner wall of the through hole 162, the diameter of the through hole 162 meets the standard.

Referring to fig. 1, 2 and 3, a detection mechanism 4 for detecting the roundness of the inner wall of the through hole 162 is arranged on the measurement block 3, the detection mechanism 4 comprises a measurement barrel 41 which is in threaded connection with the measurement block 3, an arc-shaped handheld groove 11 is formed in the measurement barrel 41, the handheld groove 11 is used for an operator to hold the measurement barrel 41 for operation, the contact area between the measurement barrel 41 and the palm of the operator is increased by the handheld groove 11, and the measurement barrel 41 is difficult to fall off when the operator holds the measurement barrel 41.

Referring to fig. 2, the detection mechanism 4 further includes a dial indicator 42, a measuring rod 43, and a linkage structure 5 for linking the dial indicator 42 and the measuring rod 43, where the dial indicator 42 is fixedly connected to the measuring cylinder 41, the measuring rod 43 slides in the measuring block 3, and a first groove 44 for sliding the measuring rod 43 is formed in the measuring block 3.

Referring to fig. 1 and 2, in actual operation, when an operator needs to measure the roundness of the inner wall of the through hole 162, the operator embeds the measuring block 3 into the through hole 162 by holding the measuring cylinder 41 and rotates the measuring block 3, the measuring rod 43 slides towards the central axis of the measuring cylinder 41 under the action of the inner wall of the through hole 162, and meanwhile, the position change of the measuring rod 43 is transferred to the dial indicator 42 through the linkage structure 5, so that the number of the dial indicator 42 changes, and when the number of the dial indicator 42 is positioned in the roundness error range, the roundness of the inner wall of the through hole 162 meets the standard.

Referring to fig. 2, the linkage structure 5 includes a second groove 51, a connecting rod 52, a first guiding inclined plane 53 and a second guiding inclined plane 54, the second groove 51 is formed in the measuring block 3, the second groove 51 is communicated with the first groove 44, the connecting rod 52 is fixedly connected to the measuring head of the dial indicator 42, the connecting rod 52 vertically slides in the measuring cylinder 41, the first guiding inclined plane 53 is formed at one end of the connecting rod 52 far away from the dial indicator 42, the second guiding inclined plane 54 is formed at one end of the measuring rod 43 far away from the inner wall of the through hole 162, and the first guiding inclined plane 53 is in fit with the second guiding inclined plane 54.

Referring to fig. 2, in actual operation, when measuring the roundness of the inner wall of the through hole 162, the measuring rod 43 slides toward the connecting rod 52, the connecting rod 52 and the measuring head of the dial indicator 42 slide vertically upward under the action of the measuring rod 43, and at the same time, the indication number of the dial indicator 42 changes.

Referring to fig. 1 and 4, a ball groove 14 is formed in the measuring rod 43, and a measuring ball 15 is embedded in the ball groove 14. In actual use, when the roundness of the inner wall of the through hole 162 is measured, the measuring block 3 needs to be placed in the through hole 162 and the measuring block 3 is rotated, abrasion is easy to occur when the measuring rod 43 directly contacts the inner wall of the through hole 162, and the measuring ball 15 is arranged to avoid the direct contact between the measuring rod 43 and the inner wall of the through hole 162, so that daily abrasion of the measuring rod 43 is reduced.

Referring to fig. 3 and 5, a mounting sleeve 6 is fixedly connected to the base 1, a clamping seat 7 for mounting the measuring block 3 is fixedly connected to the mounting sleeve 6, and a placement groove 8 is formed in the mounting sleeve 6. When the measuring block 3 does not need to be used, an operator places the measuring block 3 in the clamping seat 7, so that daily arrangement of the measuring block 3 is facilitated.

Referring to fig. 1 and 5, a measuring groove 2 is formed in the base 1, when an operator needs to measure the outer diameter, the disc part 16 is placed in the measuring groove 2, and when the outer wall of the disc part 16 is attached to the inner wall of the measuring groove 2, the outer diameter of the disc part 16 meets the standard.

Referring to fig. 1 and 5, a third groove 9 for holding the disc part 16 is formed in the base 1, the third groove 9 is communicated with the measuring groove 2, when an operator needs to pick up the disc part 16, the operator can penetrate into the third groove 9 by hand, and the palm is attached to the outer wall of the disc part 16 to pick up the disc part 16. The base 1 is further provided with a fourth groove 10 which is convenient for holding the base 1, when the base 1 needs to be moved to a designated place, an operator can lift the base 1 through the fourth groove 10 and place the base 1 at the designated place, and when the weight of the base 1 is large, the operator can move the base 1 more conveniently through the arrangement of the fourth groove 10.

Referring to fig. 6, when the base 1 is exposed to air for a long time, the base 1 is easily oxidized to rust the outer wall of the base 1, in order to prevent the oxidation of the base 1, the base 1 is provided with an anti-rust coating 13 made of a galvanized material by electroplating, and the base 1 is difficult to oxidize and rust by providing the anti-rust coating 13, so that the service life of the base 1 is prolonged. The base 1 is also provided with a gasket 12, and when the base 1 needs to be moved to a designated position, the base 1 is placed more stably due to the buffer effect of the gasket 12 when an operator places the base 1.

The implementation principle of the measuring jig in the embodiment of the application is as follows: when an operator needs to measure the outer diameter of the disc part 16, the operator places the disc part 16 in the measuring groove 2, the disc part 16 meets the standard when the outer wall of the disc part 16 is attached to the inner wall of the measuring groove 2, the operator embeds the measuring block 3 in the through hole 162 of the disc part 16 when the operator needs to measure the inner diameter of the disc part 16, the diameter of the through hole 162 meets the standard when the outer wall of the measuring block 3 is attached to the inner wall of the through hole 162, the operator embeds the measuring block 3 in the through hole 162 and rotates the measuring block 3 when the operator needs to measure the roundness of the inner wall of the through hole 162, the measuring rod 43 slides towards one end, far away from the inner wall of the through hole 162, of the first groove 44 when contacting the inner wall of the through hole 162, the connecting rod 52 and the measuring head of the dial indicator 42 vertically slide upwards in the measuring cylinder under the action of the measuring rod 43, and the inner wall 162 meets the standard when the roundness indication of the dial indicator 42 is stable and the roundness indication of the dial indicator 42 is within the error range of the inner wall of the through hole 162.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a measure tool, includes base (1), its characterized in that: a measuring groove (2) for measuring the outer diameter of the disc part (16) is formed in the base (1), a measuring block (3) for detecting the diameter of the through hole (162) is arranged on the base (1), and a detecting mechanism (4) for detecting the roundness of the inner wall of the through hole (162) is arranged on the measuring block (3);

the detection mechanism (4) comprises a measuring cylinder (41) which is detachably connected to the measuring block (3), a dial indicator (42) which is fixedly connected to the measuring cylinder (41) and is far away from one end of the measuring block (3), a measuring rod (43) which slides in the measuring block (3), and a linkage structure (5) which is used for linking the dial indicator (42) and the measuring rod (43), wherein a first groove (44) which is used for sliding the measuring rod (43) is formed in the measuring block (3).

2. The measurement jig of claim 1, wherein: the linkage structure (5) is in including seting up second recess (51) on measuring piece (3), coaxial fixed connection be in connecting rod (52) on the measuring head of amesdial (42), seting up connecting rod (52) are kept away from first direction inclined plane (53) of amesdial (42) one end, seting up second direction inclined plane (54) of through-hole (162) one end are kept away from to measuring rod (43), second recess (51) with first recess (44) are the intercommunication setting, first direction inclined plane (53) with second direction inclined plane (54) are the laminating setting.

3. The measurement jig of claim 1, wherein: the measuring rod (43) is provided with a ball groove (14) towards one end of the inner wall of the part through hole (162), and the ball groove (14) is internally embedded with a measuring ball (15).

4. The measurement jig of claim 1, wherein: the base (1) is fixedly connected with a mounting sleeve (6), a clamping seat (7) for embedding the measuring block (3) is fixedly connected in the mounting sleeve (6), and a placing groove (8) for placing the clamping seat (7) is formed in the mounting sleeve (6).

5. The measurement jig of claim 1, wherein: a third groove (9) which is convenient for picking up the disc part (16) is formed in the base (1), and the third groove (9) is communicated with the measuring groove (2).

6. The measurement jig of claim 1, wherein: two fourth grooves (10) which are convenient for holding the base (1) are formed in the base (1), and the two fourth grooves (10) are symmetrically arranged.

7. The measurement jig of claim 1, wherein: the handheld groove (11) convenient for the handheld measuring cylinder (41) is formed in the measuring cylinder (41), the handheld groove (11) is arc-shaped, the gasket (12) is arranged on the base (1), and the gasket (12) is located on one side, deviating from the dial indicator (42), of the base (1).

8. The measurement jig of claim 1, wherein: the base (1) is provided with an anti-rust coating (13), and the anti-rust coating (13) is a galvanized anti-rust coating (13).