CN220818829U - Outer diameter measuring gauge - Google Patents

Abstract

The utility model discloses an outer diameter measurement gauge which comprises a base, a limiting piece, an elastic piece and a measuring device, wherein the limiting piece is arranged on the base; the limiting piece is arranged on the base, a station suitable for installing the piece to be detected is formed by surrounding the limiting piece, and the limiting piece can be abutted with the piece to be detected so as to fix the piece to be detected; the measuring device is arranged on the base and positioned on one side of the station, and comprises a probe; the elastic piece is arranged on the base and positioned between the station and the probe, one end of the elastic piece is abutted against the piece to be tested, and the other end of the elastic piece is connected with the probe. When the workpiece to be measured is placed at the station, the elastic piece can deform and drive the probe to move. The measuring device is in indirect contact with the to-be-measured piece through the elastic piece, so that the probe is prevented from scratching the surface of the to-be-measured piece in the measuring process, and the surface of the to-be-measured piece is protected.

Description

Outer diameter measuring gauge

Technical Field

The utility model relates to the technical field of dimension detection, in particular to an outer diameter measurement gauge.

Background

For finished products, it is often necessary to use a gauge to measure the dimensions of the finished product to determine whether the product quality meets the requirements. For some products with larger sizes, the prior art generally adopts a caliper gauge to measure the outer diameter of the product, but the caliper gauge is easy to scratch the product during detection, and the measurement efficiency is low.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the outer diameter measurement gauge which can effectively protect the surface of the to-be-measured piece and has high measurement efficiency.

An outer diameter measurement gauge according to an embodiment of the first aspect of the utility model includes:

a base;

The limiting piece is arranged on the base, a station suitable for installing the piece to be detected is formed by surrounding the limiting piece, and the limiting piece can be abutted with the piece to be detected to fix the piece to be detected;

The measuring device is arranged on the base and positioned at one side of the station, and comprises a probe;

the elastic piece is arranged on the base and located between the station and the probe, one end of the elastic piece is abutted to the piece to be detected, and the other end of the elastic piece is connected with the probe.

When the workpiece to be detected is placed at the station, the elastic piece can deform and drive the probe to move.

The outer diameter measuring gauge provided by the embodiment of the utility model has at least the following beneficial effects: when the piece to be measured abuts against the elastic piece, the piece to be measured applies pressure to enable the elastic piece to deform, the probe is connected to the elastic piece, the elastic piece deforms and drives the probe to move, the variable quantity of the elastic piece is displayed on the measuring device, and therefore the outer diameter size corresponding to the piece to be measured is obtained. The probe and the piece to be measured are indirectly contacted through the elastic piece, so that the probe is prevented from scratching the surface of the piece to be measured in the measuring process, and the surface of a product is protected.

According to some embodiments of the utility model, the elastic member is provided with a through groove extending along the height direction, the through groove can separate the elastic member and form a first deformation part and a second deformation part, the first deformation part is abutted against the to-be-detected member, and the second deformation part is connected with the probe.

According to some embodiments of the utility model, the two adjacent inner walls of the through groove are transited by an arc surface.

According to some embodiments of the utility model, the outer peripheral wall of the elastic member is provided with a through groove penetrating through two opposite sides of the elastic member, the through groove extends along the outer peripheral wall of the elastic member, the through groove can separate the elastic member and form a movable part and a connecting part which are connected with each other, the connecting part is connected with the base, the probe is connected with the movable part, and the movable part can drive the probe to move.

According to some embodiments of the utility model, the outer diameter measuring gauge further comprises a measuring probe fixedly connected to the elastic member, the measuring probe can be abutted against the to-be-measured member, and the measuring probe can press the elastic member to deform the elastic member.

According to some embodiments of the utility model, the probe is provided with a flat probe head, a mounting hole is formed in one end of the movable part, which is far away from the station, and the Ping Cetou is clamped in the mounting hole.

According to some embodiments of the utility model, the outer diameter measuring gauge further comprises a fixing seat fixedly connected to the base, and the fixing seat is sleeved on the probe to fix the measuring device.

According to some embodiments of the utility model, the outer diameter measuring gauge further comprises a measuring table fixedly connected to the base and arranged at the station, the measuring table is used for placing the to-be-measured piece, and a plurality of grooves are formed in the surface of the measuring table at intervals.

According to some embodiments of the utility model, the outer diameter measuring gauge further comprises two limiting pieces arranged at intervals, the two limiting pieces are arranged around to form the station, and the two limiting pieces can be respectively abutted with the to-be-measured piece so as to fix the to-be-measured piece.

According to some embodiments of the utility model, the outer diameter measuring gauge further comprises two guide members connected to the base and located on opposite sides of the station, the guide members being provided with guide slopes.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an outer diameter measurement gauge according to an embodiment of the present utility model;

FIG. 2 is a top view of an embodiment of the present utility model with the protective cover hidden;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic structural view of an elastic member of an outer diameter measuring gauge according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a fixing base of an outer diameter measuring gauge according to an embodiment of the present utility model;

Fig. 6 is a schematic structural diagram of a measuring device of an outer diameter measuring gauge according to an embodiment of the present utility model.

Reference numerals:

A base 100; a first stopper 210; a second stopper 220; a station 230; an elastic member 300; a through slot 310; a through slot 320; a movable portion 330; a connection portion 340; a mounting hole 350; a measuring device 400; a probe 410; an indication table 420; a fixing part 430; a probe 500; a flat gauge head 600; a fixing base 700; positioning holes 710; a first guide 810; a first guide slope 811; a second guide 820; a second guide slope 821; a stage 900; a protective cover 1000; a handle 1100; and a part 2000 to be tested.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

After the product is processed, the size of the product needs to be detected by using a detection tool. In the prior art, for some products with larger outer diameter, a caliper gauge, a micrometer, a pneumatic measuring and correcting machine or a three-coordinate measuring machine is generally adopted to measure the outer diameter of the product, but the caliper gauge is easy to scratch the product during detection, cannot meet the high-precision tolerance requirement and has low measuring efficiency; the micrometer cannot measure the outer groove, and the type of measurement is limited; the pneumatic calibration and three-coordinate measuring machine can realize quantitative measurement, but has higher manufacturing cost and complex operation.

To this end, some embodiments of the present utility model provide an outer diameter measurement gauge, particularly with reference to fig. 1-6 of the drawings.

Referring to fig. 1 and 2, the outer diameter measuring gauge provided in the embodiment of the utility model includes a base 100, a limiting member, an elastic member 300, and a measuring device 400. The limiting member is connected to the base 100 through a bolt, and of course, the connection mode of the limiting member and the base 100 is not limited to the bolt connection, and may be connected through other modes such as a snap connection, a magnetic connection, and the like. The limiting member encloses to form a station 230 suitable for installing the to-be-detected member 2000, the station 230 is arranged in the middle of the base 100, and the limiting member can be abutted with the to-be-detected member 2000 so as to fix the to-be-detected member 2000. It should be noted that, a single limiting member or a plurality of limiting members are provided on the base 100, when the single limiting member is provided, a V-shaped notch is provided on the limiting member to form a station 230 for installing the to-be-detected member 2000, and when the to-be-detected member is installed at the station 230, the wall surface of the V-shaped notch abuts against the side surface of the to-be-detected member 2000 to define the position of the to-be-detected member 2000; when two limiting members are arranged, the first limiting member 210 and the second limiting member 220 are located on two adjacent sides, the first limiting member 210 and the second limiting member 220 are surrounded to form a station 230 for installing the to-be-detected member 2000, when the to-be-detected object is installed at the station 230, the first limiting member 210 abuts against one side of the to-be-detected member 2000, the second limiting member 220 abuts against the other adjacent side of the to-be-detected member 2000, and the first limiting member 210 and the second limiting member 220 are mutually matched to limit the position of the to-be-detected member 2000. Referring to fig. 2 and 6, a measuring device 400 is provided on the base 100 and located at one side of the station 230, and the measuring device 400 includes a probe 410; the elastic piece 300 is connected to the base 100 through bolts and is positioned between the station 230 and the probe 410, one end of the elastic piece 300 is abutted against the piece 2000 to be tested, and the other end of the elastic piece 300 is connected with the probe 410; when the station 230 is placed with the part 2000 to be measured, the elastic member 300 can deform and drive the probe 410 to move. The connection between the elastic member 300 and the base 100 is not limited to the bolt connection, and may be a snap connection.

Referring to fig. 1, it can be understood that the measurement principle of the outer diameter measurement gauge provided by the embodiment of the utility model is comparative measurement. Before the outer diameter measuring gauge provided by the embodiment of the utility model is used, the outer diameter measuring gauge can be calibrated, the outer diameter measuring gauge after the calibration can be used for measuring for a plurality of times, and specifically, a standard gauge calibrating piece is installed in the station 230, and the measuring device 400 is adjusted. During measurement, the to-be-measured piece 2000 is placed in the station 230, the to-be-measured piece 2000 is fixed by the limiting piece, the to-be-measured piece 2000 is abutted to the elastic piece 300, and the elastic piece 300 deforms under the extrusion action of the to-be-measured piece 2000. The elastic member 300 is connected to the probe 410, the deformation of the elastic member 300 can drive the probe 410 to move, the movement of the probe 410 can change the measurement result of the measurement device 400, the measurement result of the measurement device 400 represents the change amount of the elastic member 300, so as to obtain the difference between the to-be-measured member 2000 and the gauge correcting member, and further obtain the outer diameter size corresponding to the to-be-measured member 2000. The measuring device 400 is indirectly contacted with the to-be-measured piece 2000 through the elastic piece 300, so that the probe 410 is prevented from scratching the surface of the to-be-measured piece 2000 in the measuring process; moreover, since the hardness of the elastic member 300 is smaller than that of the surface of the member 2000 to be measured, when the elastic member 300 rubs against the member 2000 to be measured, surface damage of the member 2000 to be measured can be effectively reduced. The outer diameter measuring gauge of the embodiment of the utility model can obtain the outer diameter size corresponding to the to-be-measured piece 2000 by only placing the to-be-measured piece 2000 in the station 230 and then reading the measurement result of the measurement device 400, has low operation difficulty, is easy to operate and has high measurement efficiency, and the outer diameter measuring gauge of the embodiment of the utility model can be applied to various application scenes, has no special requirement on the measurement environment, and is beneficial to popularization and application of the outer diameter measuring gauge.

In this embodiment, the measuring device 400 may be a digital display type measuring instrument, or may be another type measuring instrument, and those skilled in the art may select to use according to actual situations, which is not limited in the embodiment of the present utility model. The elastic member 300 in this embodiment may be made of spring steel, or may be made of other materials capable of being deformed, such as plastic, and may be selected and set by those skilled in the art according to practical situations, which is not limited in this embodiment.

Referring to fig. 3 and fig. 4, in some embodiments of the present utility model, a through groove 310 extending along a height direction is formed in the elastic member 300, the through groove 310 separates the elastic member 300, the separated elastic member 300 forms a first deformation portion and a second deformation portion, deformation of the first deformation portion can drive deformation of the second deformation portion, the first deformation portion abuts against the to-be-detected member 2000, the second deformation portion is connected with the probe 410, when the to-be-detected member presses the first deformation portion, deformation of the first deformation portion drives the second deformation portion, and the second deformation portion drives the probe 410 to move, so that a detection result of the detection device changes. It can be appreciated that the through groove 310 formed on the elastic member 300 is beneficial to deformation of the elastic member 300, that is, the to-be-measured member 2000 with a small tolerance can also squeeze the elastic member 300 to deform, which is beneficial to improving accuracy of detecting products by the outer diameter measuring gauge.

Further, the transition between the two adjacent inner walls of the through groove 310 through the arc surface can effectively reduce the elastic resistance generated when the elastic member 300 deforms, and the shape of the two sides is symmetrical, so that the left and right deformation amounts of the elastic member 300 are basically consistent, thereby improving the accuracy of measurement.

It can be understood that the outer peripheral wall of the elastic member 300 is provided with through grooves 320 penetrating opposite sides of the elastic member 300, the through grooves 320 extend along the outer peripheral wall of the elastic member 300, the through grooves 320 divide the elastic member 300 into a movable portion 330 and a connecting portion 340, the connecting portion 340 is connected to the base 100, the movable portion 330 is connected to the connecting portion 340, the probe 410 is connected to the movable portion 330, and the movable portion 330 can drive the probe 410 to move; the provision of the through groove 320 facilitates deformation of the elastic body, reduces elastic resistance during measurement, makes deformation of the movable portion 330 easier, and displacement of the probe 410 also more sensitive, so that measurement of the outer diameter measuring gauge can be more accurate.

Referring to fig. 2, 3 and 4, in some embodiments of the present utility model, the outer diameter measuring gauge further includes a probe 500 fixedly connected to the elastic member 300, the probe 500 can abut against the to-be-measured member 2000, and the probe 500 can press the elastic member 300 to deform the elastic member 300. The probe 410 is provided with a flat probe 600, one side of the movable part 330 far away from the station 230 is provided with a mounting hole 350, and the flat probe 600 is clamped in the mounting hole 350. It can be appreciated that the long-time use of the outer diameter measuring gauge can cause abrasion of the elastic member 300, damage the elastic member 300, shorten the service life, affect the measuring accuracy, and the arrangement of the measuring probe 500 and the flat measuring head 600 is beneficial to prolonging the service life of the elastic member 300 and ensuring the measuring accuracy. It should be noted that, since the probe 500 needs to rub against the workpiece 2000 to be measured multiple times, and the flat probe 600 needs to rub against the elastic member 300 multiple times, the probe 500 and the flat probe 600 need to have high hardness and good wear resistance.

Referring to fig. 2 and 5, in some embodiments of the present utility model, the outer diameter measuring gauge further includes a fixing base 700, the fixing base 700 is connected to the base 100 by a bolt, a positioning hole 710 is formed in the fixing base 700, specifically, the probe 410 includes a fixing portion 430, and the fixing portion 430 is penetrated and fixed in the positioning hole 710. The fixing base 700 plays a fixed role in the measuring device 400, so that the phenomenon of measuring errors caused by the deviation of the measuring device 400 can be reduced, the measuring stability is improved, the measuring device 400 is fixed on the fixing base 700 through bolts, and when the measuring device 400 breaks down, different measuring devices 400 can be directly replaced, and the operation is convenient.

Referring to fig. 2, in some embodiments of the present utility model, the outer diameter measuring tool further includes a measuring table 900, where the measuring table 900 is fixedly connected to the base 100 and is disposed at the station 230, the measuring table 900 is used for placing the to-be-measured member 2000, and a plurality of grooves are disposed on a surface of the measuring table 900 at intervals, so as to reduce a contact area with the to-be-measured member 2000, and reduce damage to a lower surface of the to-be-measured member 2000 during measurement.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the outer diameter measuring gauge is provided with two guide members connected to the base 100 and located at opposite sides of the station 230, the guide members being provided with guide slopes capable of guiding the workpiece 2000 to be measured into the outer diameter measuring gauge. Specifically, the first guide 810 is disposed on one side of the station 230, the first guide 810 is provided with a first guide inclined plane 811, the first guide inclined plane 811 is offset upward along the direction of the first guide 810 toward the station 230, the second guide 820 is provided with a second guide inclined plane 821, the second guide inclined plane 821 is offset upward along the direction of the second guide 820 toward the station 230, and the workpiece 2000 to be tested enters the station 230 along the first guide inclined plane 811 and the second guide inclined plane 821.

Referring to fig. 1 and 6, in some embodiments of the present utility model, to protect the measuring device 400 and the elastic member 300 on the outer diameter measuring tool, the outer diameter measuring tool further includes a protection cover 1000, where the protection cover 1000 is connected to the base 100 and covers the measuring device 400 and the elastic member 300. The measuring device 400 includes an indicator 420, and the protective cover 1000 is provided with an observation window, which is located above the indicator 420, so as to observe the indication of the measuring device 400.

Referring to fig. 1, in some embodiments of the present utility model, handles 1100 are provided on opposite sides of a base 100 to facilitate handling of an outside diameter measurement gauge.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. An outside diameter measurement gauge, comprising:

a base;

The limiting piece is arranged on the base, a station suitable for installing the piece to be detected is formed by surrounding the limiting piece, and the limiting piece can be abutted with the piece to be detected to fix the piece to be detected;

The measuring device is arranged on the base and positioned at one side of the station, and comprises a probe;

the elastic piece is arranged on the base and positioned between the station and the probe, one end of the elastic piece is abutted against the piece to be tested, and the other end of the elastic piece is connected with the probe;

When the workpiece to be detected is placed at the station, the elastic piece can deform and drive the probe to move.

2. The outside diameter measurement gauge of claim 1, wherein: the elastic piece is provided with a through groove extending in the height direction, the through groove can separate the elastic piece and form a first deformation part and a second deformation part, the first deformation part is abutted to the piece to be detected, and the second deformation part is connected to the probe.

3. The outside diameter measurement gauge according to claim 2, wherein: and the two adjacent inner walls of the through groove are transited by an arc surface.

4. The outside diameter measurement gauge according to any one of claims 1 to 3, wherein: the periphery wall of elastic component is provided with runs through the groove that runs through the opposite both sides of elastic component, run through the groove along the periphery wall extension setting of elastic component, run through the groove can separate the elastic component and form interconnect's movable part and connecting portion, connecting portion connect in the base, the probe connect in movable part, the movable part can drive the probe removes.

5. The outside diameter measurement gauge of claim 4, wherein: the outer diameter measurement gauge further comprises a measuring seed fixedly connected to the elastic piece, the measuring seed can be abutted to the piece to be measured, and the measuring seed can squeeze the elastic piece to deform the elastic piece.

6. The outside diameter measurement gauge of claim 5, wherein: the probe is provided with the flat gauge head, the movable part is kept away from the mounting hole has been seted up to the one end of station, ping Cetou joint in the mounting hole.

7. The outside diameter measurement gauge of claim 1, wherein: the outer diameter measurement gauge further comprises a fixed seat, wherein the fixed seat is fixedly connected to the base, and the fixed seat is sleeved on the probe so as to fix the measurement device.

8. The outside diameter measurement gauge of claim 1, wherein: the outer diameter measurement gauge also comprises a measuring table, wherein the measuring table is fixedly connected to the base and arranged at the station, the measuring table is used for placing the to-be-measured piece, and a plurality of grooves are formed in the surface of the measuring table at intervals.

9. The outside diameter measurement gauge of claim 1, wherein: the outer diameter measurement gauge also comprises two limiting parts which are arranged at intervals, the two limiting parts are arranged in a surrounding mode to form the station, and the two limiting parts can be respectively abutted with the to-be-measured part so as to fix the to-be-measured part.

10. The outside diameter measurement gauge of claim 1, wherein: the outer diameter measurement gauge further comprises two guide pieces, wherein the guide pieces are connected to the base and located on two opposite sides of the station, and guide inclined planes are arranged on the guide pieces.