CN213147653U

CN213147653U - Diameter gauge for large-coaxiality stepped hole

Info

Publication number: CN213147653U
Application number: CN202022164463.5U
Authority: CN
Inventors: 朱彦
Original assignee: Nipodin Wuxi Precision Measuring Instrument Co ltd
Current assignee: Nipodin Wuxi Precision Measuring Instrument Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-07
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to the technical field of diameter detection of stepped holes, in particular to a diameter detection tool for a large-coaxiality stepped hole, which comprises a rotating rod, wherein the outer side of the rotating rod is slidably connected with a positioning block and a limiting disc, the positioning block is arranged on the upper side of the limiting disc, the depth of a shell body on the inner side of the stepped hole can be fixed through the arrangement of the limiting disc, the positioning block, a ball, a turntable, a screw rod, a rubber pad and other components, the detection accuracy is ensured, the practical applicability is good, the limiting disc is arranged on the outer side of the stepped hole, the limiting disc can support the positioning block, the turntable is rotated to drive the screw rod to rotate, the screw rod can move leftwards or rightwards, the screw rod can drive a pressing plate and the rubber pad to move leftwards and rightwards, when the positioning block slides to a required position, the turntable is rotated to ensure that the rubber pad is tightly attached to the outer, the position of the positioning block is fixed and supported by the limiting disc.

Description

Diameter gauge for large-coaxiality stepped hole

Technical Field

The utility model relates to a shoulder hole diameter detects technical field, specifically is an utensil is examined to diameter for big axiality shoulder hole.

Background

The coaxiality is a positioning tolerance, the theoretical correct position is a reference axis, different points of the measured axis to the reference axis can appear in all directions of space, so that the tolerance zone is a cylinder taking the reference axis as the axis, the tolerance value is the diameter of the cylinder, the symbol phi is added before the tolerance value, the inner opening of the stepped hole is arranged in a circular shape, and the diameter of the inner opening of the stepped hole needs to be detected in order to ensure the accuracy and the quality of processing.

At present, the coaxiality detection of the stepped holes in the market has some defects, firstly, the detection method is not convenient enough, secondly, the detection device needs to enter the inner side of the stepped holes, and the entering depth of the detection device is not easy to control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utensil is examined to diameter for big axiality shoulder hole to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the diameter gauge for the large-coaxiality stepped hole comprises a rotating rod, wherein a positioning block and a limiting disc are slidably connected to the outer side of the rotating rod, the positioning block is arranged on the upper side of the limiting disc, a screw rod is spirally connected to the inner side of the left end of the positioning block, a rotary disc is fixedly connected to the left end of the screw rod, a pressing plate is fixedly connected to the right end of the screw rod, a rubber pad is fixedly connected to the right end of the pressing plate, and a shell is fixedly connected to the bottom end of the rotating rod.

Preferably, the inner side of the bottom end of the positioning block is rotatably connected with a ball, and the limiting disc is made of transparent glass materials.

Preferably, the turntable is arranged on the outer side of the positioning block, and the pressing plate and the rubber pad are both arranged on the inner side of the left end of the positioning block in a sliding manner.

Preferably, the top end fixedly connected with scale of casing, the inboard sliding connection of casing has the litter, the quantity of litter is 2, the one end inboard of litter is connected with the runner through the pivot rotation.

Preferably, a spring is arranged on the inner side of the shell, and two ends of the spring are respectively and fixedly connected with one end of the slide rod and the inner side of the shell.

Preferably, the top end of the shell is provided with a sliding groove, the upper side of one end of the sliding rod is fixedly connected with a scale pen, and the outer side of the scale pen is arranged on the inner side of the sliding groove in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the spacing dish that sets up, the locating piece, the ball, the carousel, components such as screw rod and rubber pad, can realize the casing at the depthkeeping of shoulder hole inboard, ensure the accuracy that detects, have fine practicality, because spacing dish department is in the outside of shoulder hole, spacing dish can play the effect of support to the locating piece, the rotation carousel, the carousel drives the screw rod and rotates, the screw rod can carry out left or right motion, the screw rod can drive clamp plate and rubber pad and can carry out left and right motion, when the locating piece slides to the position that needs, the rotation carousel, can make the outside of rubber pad and bull stick tightly laminate, the position of locating piece can be fixed and supported by spacing dish, thereby play and carry out the effect of fixing at the inboard degree of depth of shoulder hole to the casing, this kind of fixed method, it is simple swift.

2. The utility model discloses in, through the spring that sets up, the litter, the runner, components such as casing and bull stick, can realize the measurement to the inside diameter of step hole, and this kind of measurement mode is simple swift, has fine practicality, the diameter of litter department shoulder hole is the length of the litter of both sides and the length that the scale pen of both sides instructed on the scale in addition, press spacing dish with the hand, rotate the bull stick, the bull stick can drive the litter and rotate, because spacing dish is made by transparent glass material, the staff can be through observing the mark out the litter and rotate the round after, biggest diameter and minimum diameter, thereby the diameter of measuring out the shoulder hole, this kind of measuring method, it is simple swift, has fine practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the installation structure at a of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the installation structure at B of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the installation structure of the calibration pen of the present invention.

In the figure: 1-shell, 2-limiting disc, 3-rotating rod, 4-sliding rod, 5-graduated pen, 6-graduated scale, 7-sliding chute, 8-spring, 9-rotating disc, 10-screw, 11-positioning block, 12-pressing plate, 13-rubber pad, 14-ball and 15-rotating wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a diameter gauge for a large-coaxiality stepped hole comprises a rotating rod 3, a positioning block 11 and a limiting disc 2 are slidably connected to the outer side of the rotating rod 3, the positioning block 11 is arranged on the upper side of the limiting disc 2, when the diameter gauge is used, a shell 1 is placed into the inner side of the stepped hole to be detected, the depth of the shell 1 in the inner side of the stepped hole needs to be fixed firstly, because the limiting disc 2 is positioned on the outer side of the stepped hole, the limiting disc 2 can support the positioning block 11, after the positioning block 11 is fixed, the positioning block 11 can play a role in depth setting of a sliding rod 4, a screw rod 10 is spirally connected to the inner side of the left end of the positioning block 11, a rotary disc 9 is fixedly connected to the left end of the screw rod 10, a pressing plate 12 is fixedly connected to the right end of the screw rod 10, a rubber pad 13 is fixedly connected to the right end of the pressing plate 12, the rotary, the screw rod 10 drives the pressing plate 12 and the rubber pad 13 to move leftwards and rightwards, and the bottom end of the rotating rod 3 is fixedly connected with the shell 1.

The inner side of the bottom end of the positioning block 11 is rotatably connected with a ball 14, the limiting disc 2 is made of transparent glass, the rotary disc 9 is arranged on the outer side of the positioning block 11, the pressing plate 12 and the rubber pad 13 are both arranged on the inner side of the left end of the positioning block 11 in a sliding manner, when the pressing plate 12 and the rubber pad 13 move leftwards, the rubber pad 13 can be separated from the outer side of the rotating rod 3, at the moment, the positioning block 11 can slide, when the positioning block 11 slides to a required position, the rotary disc 9 is rotated in the opposite direction again, the rubber pad 13 is tightly attached to the outer side of the rotating rod 3, at the moment, the position of the positioning block 11 can be fixed and supported by the limiting disc 2, so that the depth of the shell 1 on the inner side of the stepped hole can be fixed, the fixing method is simple and fast, has good practicability, the scale 6 is fixedly connected to the top end of, the number of the sliding rods 4 is 2, the inner side of one end of each sliding rod 4 is rotatably connected with a rotating wheel 15 through a rotating shaft, the inner side of the shell 1 is provided with a spring 8, two ends of each spring 8 are respectively and fixedly connected with one end of each sliding rod 4 and the inner side of the shell 1, the inner side of the top end of the shell 1 is provided with a sliding groove 7, the upper side of one end of each sliding rod 4 is fixedly connected with a scale pen 5, the outer side of each scale pen 5 is slidably arranged on the inner side of the sliding groove 7, the diameter of a stepped hole at each sliding rod 4 is the length of the sliding rods 4 at two sides plus the length indicated by the scale pens 5 at the two sides on a scale 6, the limiting disc 2 is pressed by hands, the rotating rod 3 is rotated, the rotating rod 4 is driven to rotate by the rotating rod 3, the rotating wheel 15 at one end of each sliding rod can play a role in reducing rotation resistance, because the limiting disc 2 is made of transparent, therefore, the diameter of the stepped hole is measured, and the measuring method is simple, quick and high in practicability.

The working process is as follows: when the device is used, the shell 1 is placed into the inner side of a stepped hole to be detected, the depth of the shell 1 in the inner side of the stepped hole needs to be fixed firstly, because the limiting disc 2 is positioned at the outer side of the stepped hole, the limiting disc 2 can support the positioning block 11, after the positioning block 11 is fixed, the positioning block 11 can play a role of depth fixing of the slide rod 4, the rotary disc 9 is rotated, the rotary disc 9 drives the screw rod 10 to rotate, the screw rod 10 can move leftwards or rightwards, the screw rod 10 can drive the pressing plate 12 and the rubber pad 13 to move leftwards and rightwards, when the pressing plate 12 and the rubber pad 13 move leftwards, the rubber pad 13 can be separated from the outer side of the rotary rod 3, at the moment, the positioning block 11 can slide, when the positioning block 11 slides to a required position, the rotary disc 9 is rotated reversely again, and the rubber pad 13 is tightly attached to the outer side of the, at this moment, the position of the positioning block 11 can be fixed and supported by the limiting disc 2, so as to play a role in fixing the depth of the shell 1 inside the stepped hole, the fixing method is simple and quick and has good practicability, at this moment, the diameter of the stepped hole at the sliding rod 4 is the length of the sliding rod 4 at two sides plus the length indicated by the graduated pens 5 at two sides on the graduated scale 6, the limiting disc 2 is pressed by hands, the rotating rod 3 is rotated, the rotating rod 3 can drive the sliding rod 4 to rotate, the rotating wheel 15 at one end of the sliding rod can play a role in reducing the rotation resistance, because the limiting disc 2 is made of transparent glass, a worker can observe and mark the sliding rod 4 to rotate for one circle, the maximum diameter and the minimum diameter, so as to measure the diameter of the stepped hole, and the measuring method is simple and quick and has good practicability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a utensil is examined to diameter for big axiality shoulder hole, includes bull stick (3), its characterized in that: the outer side sliding connection of bull stick (3) has locating piece (11) and spacing dish (2), locating piece (11) set up the upside at spacing dish (2), the inboard spiral connection in left end of locating piece (11) has screw rod (10), the left end fixedly connected with carousel (9) of screw rod (10), the right-hand member fixedly connected with clamp plate (12) of screw rod (10), the right-hand member fixedly connected with rubber pad (13) of clamp plate (12), the bottom fixedly connected with casing (1) of bull stick (3).

2. The diameter gauge for the large-coaxiality stepped hole according to claim 1, wherein: the inner side of the bottom end of the positioning block (11) is rotatably connected with a ball (14), and the limiting disc (2) is made of transparent glass materials.

3. The diameter gauge for the large-coaxiality stepped hole according to claim 1, wherein: the rotary table (9) is arranged on the outer side of the positioning block (11), and the pressing plate (12) and the rubber pad (13) are arranged on the inner side of the left end of the positioning block (11) in a sliding mode.

4. The diameter gauge for the large-coaxiality stepped hole according to claim 1, wherein: the top fixedly connected with scale (6) of casing (1), the inboard sliding connection of casing (1) has litter (4), the quantity of litter (4) is 2, the one end inboard of litter (4) is connected with runner (15) through the pivot rotation.

5. The diameter gauge for the large-coaxiality stepped hole according to claim 1, wherein: the inner side of the shell (1) is provided with a spring (8), and two ends of the spring (8) are respectively fixedly connected with one end of the sliding rod (4) and the inner side of the shell (1).

6. The diameter gauge for the large-coaxiality stepped hole according to claim 4, wherein: spout (7) have been seted up to the top inboard of casing (1), the one end upside fixedly connected with scale pen (5) of litter (4), the outside of scale pen (5) slides and sets up the inboard at spout (7).