CN218329696U

CN218329696U - Pipe ruler for measuring inner diameter and outer diameter

Info

Publication number: CN218329696U
Application number: CN202222223432.1U
Authority: CN
Inventors: 郑永生
Original assignee: Luoyang Weiju Precision Machinery Co ltd
Current assignee: Luoyang Weiju Precision Machinery Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-17
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses an interior external diameter is measured and is used pipe chi, including body and two slip rings, two slip rings slide on the body and set up, two spouts have been seted up symmetrically to the outside surface of body, the interior side surface of slip ring is provided with the slider that corresponds with the spout, the lower fixed surface of slip ring is provided with the fixing base, the mounting groove has been seted up to the lower surface of fixing base, install the regulating part in the mounting groove, be provided with the fixed subassembly that is used for fixed regulating part on the fixing base, the bottom of two regulating parts all is provided with the fixed block, be provided with the amesdial on one of them fixed block, be provided with on another fixed block and decide the measuring staff, make the slip ring slide in the spout through setting up the spout on the body, two slip rings can not take place to rotate among the slip process, thereby guaranteed that the line of amesdial and deciding the measuring staff is parallel with the axis of body all the time in accommodation process, measuring result's accuracy has been guaranteed.

Description

Pipe ruler for measuring inner diameter and outer diameter

Technical Field

The utility model relates to a measuring tool technical field specifically is an interior external diameter is measured and is used pipe chi.

Background

When measuring the inner diameter and the outer diameter of a large annular part (such as a mine bearing part, a wind power bearing part and the like), a pipe ruler is generally used. The pipe ruler is the steel pipe usually, set up two sliders on the steel pipe, connect the micrometer and decide the measuring staff respectively, move two sliders to roughly the position according to the size of part during the measurement, then make the micrometer and decide the measuring staff and hug closely with the inner wall or the outer wall of part, rotate the steel pipe and observe the micrometer reading, when the micrometer reading is the biggest, the record micrometer reading, add the inside diameter or the external diameter that the micrometer is the biggest reading after measuring the distance of two sliders and can draw the part. The existing pipe ruler is usually very simple in structure, and a sliding part is easy to rotate when sliding on a pipe body, so that a connecting line of a dial indicator and a fixed measuring rod is not parallel to the axis of the pipe body, and the accuracy of a measuring result is influenced; when the mode conversion of inside and outside diameter measurement, need take off two sliders back, the direction of turning is installed on the body again, and troublesome poeration, it is inconvenient to use, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a pipe chi is used in inside and outside footpath measurement is provided, two slip rings can not take place to rotate in the slip process, thereby guaranteed that the line of amesdial and fixed measuring staff is parallel with the axis of body all the time in accommodation process, the accuracy of measuring result has been guaranteed, when external diameter measurement mode in the conversion, take off the regulating part and turn to can, need not take off whole slider, and the operation is simple, high durability and convenient use, and the work efficiency is improved, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an interior external diameter is measured and is used pipe chi, includes body and two slip rings, and two slip rings slide on the body and set up, two spouts have been seted up symmetrically to the outside surface of body, and the inside surface of slip ring is provided with the slider that corresponds with the spout, and the lower fixed surface of slip ring is provided with the fixing base, and the mounting groove has been seted up to the lower surface of fixing base, installs the regulating part in the mounting groove, is provided with the fixed subassembly that is used for fixed regulating part on the fixing base, and the bottom of two regulating parts all is provided with the fixed block, is provided with the amesdial on one of them fixed block, is provided with on another fixed block and decides the measuring staff.

As an optimized technical scheme of the utility model, threaded connection has the annular knurl screw on the slip ring.

As a preferred technical scheme of the utility model, the regulating part is including installing the fixed column in the mounting groove, and the outside of fixed column is slided and is provided with the slide cartridge, is provided with fixing bolt on the slide cartridge, and the lower surface at the slide cartridge is installed to the fixed block.

As a preferred technical scheme of the utility model, fixed subassembly includes fixed pin and cardboard, the through-hole that is used for passing the fixed pin is all offered to the side surface of fixing base and the side surface of fixed column, and the fixed axle is installed to the side surface of fixing base, and the one end of cardboard rotates the setting in the fixed axle outside, and the bayonet socket that corresponds with the fixed pin is seted up to the other end of cardboard.

As a preferred technical scheme of the utility model, the one end of fixed pin is provided with the operation end, and annular draw-in groove has been seted up to the other end outside surface of fixed pin, and its draw-in groove is located the opposite side of fixing base after the fixed pin passes through-hole on fixing base and the fixed column, and the cardboard passes through the bayonet socket joint to the draw-in groove on.

As the utility model discloses a preferred technical scheme, the ball groove has been seted up to the sense terminal of deciding the measuring staff, is provided with the ball in the ball groove.

As an optimal technical scheme of the utility model, the side surface of body evenly is provided with the scale mark, and the viewing aperture that corresponds with the scale mark is seted up to the side surface of slip ring.

As an optimized technical scheme of the utility model, the body is the carbon fiber pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the sliding rings slide in the sliding grooves through the sliding blocks by arranging the sliding grooves on the pipe body, and the two sliding rings cannot rotate in the sliding process, so that the connecting line of the dial indicator and the fixed measuring rod is always parallel to the axis of the pipe body in the adjusting process, and the accuracy of a measuring result is ensured; the dial indicator and the height of the fixed measuring rod can be adjusted through the adjusting piece, so that the dial indicator and the fixed measuring rod are suitable for measuring parts at different depths, the inner diameters and the outer diameters of the parts at different depth positions can be measured, and the universality is improved; the regulating part is installed in the mounting groove of fixing base to fixed by fixed subassembly, when the inside and outside footpath measuring mode is changed in needs, only need operate fixed subassembly and make regulating part and mounting groove separation, turn to the regulating part and install the mounting groove in the back again, and through fixed subassembly fixed can, and need not take off whole slider, easy operation, convenient to use has improved work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention when measuring the outer diameter;

FIG. 2 is a schematic structural view of the present invention when measuring the inner diameter;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1;

FIG. 5 is a schematic view of a partial structure of the present invention;

fig. 6 is a schematic structural view of the fixing pin of the present invention;

fig. 7 is a partial sectional view of the measuring rod of the present invention.

In the figure: the device comprises a pipe body 1, a sliding groove 11, a scale mark 12, a sliding ring 2, a sliding block 21, a knurled screw 22, an observation port 23, a fixed seat 24, a mounting groove 25, an adjusting piece 3, a fixed column 31, a sliding cylinder 32, a fixed bolt 33, a fixed assembly 4, a fixed pin 41, an operating end 42, a clamping groove 43, a clamping plate 44, a clamping opening 45, a fixed block 5, a dial indicator 6, a measuring rod 7 and a ball 8.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a pipe ruler for measuring the inner diameter and the outer diameter comprises a pipe body 1 and two sliding rings 2, wherein the sliding rings 2 are sliding parts in the prior art, and the two sliding rings 2 are arranged on the pipe body 1 in a sliding mode and used for driving a dial indicator and a fixed measuring rod to move; two chutes 11 are symmetrically formed in the outer side surface of the pipe body 1, the chutes 11 are preferably in a T shape, the inner side surface of the sliding ring 2 is provided with a sliding block 21 corresponding to the chutes 11, and the sliding block 21 is arranged in the chute 11 in a sliding manner, so that the sliding ring 2 can only slide along the pipe body 1 and cannot rotate, and therefore, the connecting line between the dial indicator 6 and the fixed measuring rod 7 is always parallel to the axis of the pipe body 2, and the accuracy of a measuring result is further guaranteed.

Preferably, a knurled screw 22 is screwed on the sliding ring 2 for fixing the position of the sliding ring 2 on the pipe body 1.

Preferably, the pipe body 1 is a carbon fiber pipe, the carbon fiber pipe is used for replacing a traditional steel pipe, under the condition of the same strength, the weight of the carbon fiber pipe is only about 1/4 of that of the steel pipe, so that the weight of a measuring pipe ruler is greatly reduced, the labor intensity during operation is reduced, the operation of a worker is facilitated, and the pipe body 1 is not easy to incline during the operation of the worker due to the reduction of the weight, so that the measurement error is reduced, and the measurement precision is improved; in addition, the carbon fiber pipe also has excellent corrosion resistance and ageing resistance, the service life of the measuring device is prolonged, and the production cost is reduced.

Preferably, the side surface of the pipe body 1 is uniformly provided with scale marks 12, the scale marks 12 comprise scale marks and corresponding scale values, the side surface of the sliding ring 2 is provided with an observation port 23 corresponding to the scale marks 12, and the scale at the current position of the sliding ring 2 can be conveniently read through the observation port 23, so that the inner diameter and the outer diameter of the part can be conveniently calculated.

Further preferably, the viewing port 23 has an i-shaped plan view, the tubular body 1 has an H-shaped plan view when viewed horizontally, the scale lines are exposed at the middle portion of the viewing port 23, and the scale values are exposed at the both side portions.

Further preferably, the scale marks 12 are engraved on the outer surface of the tube body 1 to prevent the sliding ring 2 from moving and causing abrasion, so that the scale marks cannot be read; other means of machining the graduation marks are also possible.

The lower fixed surface of slip ring 2 is provided with fixing base 24, the mounting groove 25 of rectangle is seted up to the lower surface of fixing base 24, install regulating part 3 in the mounting groove 25, regulating part 3 is including installing the fixed column 31 in mounting groove 25, the outside slip of fixed column 31 is provided with the slide cartridge 32, fixed column 31 and slide cartridge 32 are the cuboid, fixed column 31 joint is in mounting groove 25, when inside and outside diameter measurement mode conversion, take off fixed column 31, rotate 180 back again install back original mounting groove 25 in, or with two fixed columns 31 after to the transposition orientation do not change to install in another mounting groove 25, later fix can be converted to the external diameter by the internal diameter measurement and measure or convert to the internal diameter measurement by the external diameter measurement.

The bottom of two regulating parts 3 all is provided with fixed block 5, and is concrete, and fixed block 5 is installed at the lower surface of sliding tube 32, is provided with amesdial 6 on one of them fixed block 5, is provided with on another fixed block 5 and decides measuring staff 7, and the measuring head of amesdial 6 and decide measuring staff 7 all contact with the inner wall or the outer wall of part during the measurement.

Preferably, the sliding cylinder 32 is provided with a fixing bolt 33 for fixing the position of the fixing column 31, thereby fixing the positions of the dial indicator 6 and the measuring rod 7 so as to be suitable for measuring parts at different depths.

Preferably, the fixing seat 24 is provided with a fixing component 4 for fixing the adjusting part 3, the fixing component 4 comprises a fixing pin 41 and a clamping plate 44, the side surface of the fixing seat 24 and the side surface of the fixing column 31 are both provided with through holes for penetrating through the fixing pin 41, the through holes of the fixing seat 24 are communicated with the mounting groove 25, after the fixing column 31 is mounted in the mounting groove 25 of the fixing seat 24, the through holes of the fixing seat 24 are overlapped with the through holes of the fixing column 31, at this time, the fixing pin 41 penetrates through the through holes, the fixing column 31 can be fixed in the mounting groove 25, the operation is simple, and the use is convenient; the fixed axle is installed to the side surface of fixing base 24, and the one end of cardboard 44 rotates the setting in the fixed axle outside, and bayonet 45 that corresponds with fixed pin 41 is seted up to the other end of cardboard 44, and fixed pin 41 passes behind the fixed column 31 of through-hole, rotates cardboard 44, makes bayonet 45 of cardboard 44 with fixed pin 41 chucking, can accomplish fixedly to fixed pin 41, makes it be difficult for droing, has guaranteed measurement process's stability.

Further, one end of the fixing pin 41 is provided with an operating end 42, and the outer side surface of the operating end 42 is provided with anti-skid grains for facilitating the operation of workers; an annular clamping groove 43 is formed in the outer side surface of the other end of the fixing pin 41, and the clamping groove 43 is arranged at the position close to the tail end of the fixing pin 41 instead of the tail end of the fixing pin 41; after the fixing pin 41 passes through the through holes in the fixing base 24 and the fixing column 31, the clamping groove 43 is located on the other side of the fixing base 24, at this time, the clamping plate 44 is clamped to the clamping groove 43 through the clamping opening 45, the clamping plate 44 is in a vertical state with the pipe body 1 at this time, the joint of the fixed end of the clamping plate and the fixing shaft is located on the upper portion, and the clamping opening 45 is located on the lower portion, so that the fixing pin 41 cannot be separated from the through hole.

Preferably, the detection end of the fixed measuring rod 7 is provided with a ball groove, a ball 8 is arranged in the ball groove, when the end of the fixed measuring rod 7 rotates along the outer wall or the inner wall of a part, friction force can be reduced through rolling friction, labor is saved during measurement, and the risk of scratching the surface of the part is reduced.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. 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 an interior external diameter is measured and is used pipe chi, includes body (1) and two slip rings (2), and two slip rings (2) slide setting on body (1), its characterized in that: two chutes (11) are symmetrically formed in the outer side surface of the pipe body (1), the inner side surface of the sliding ring (2) is provided with a sliding block (21) corresponding to the chutes (11), the lower surface of the sliding ring (2) is fixedly provided with a fixing seat (24), the lower surface of the fixing seat (24) is provided with a mounting groove (25), an adjusting part (3) is mounted in the mounting groove (25), a fixing component (4) used for fixing the adjusting part (3) is arranged on the fixing seat (24), the bottom ends of the two adjusting parts (3) are provided with fixing blocks (5), a dial indicator (6) is arranged on one fixing block (5), and a fixed measuring rod (7) is arranged on the other fixing block (5).

2. The inside and outside diameter measuring pipe ruler according to claim 1, characterized in that: the sliding ring (2) is connected with a knurled screw (22) in a threaded manner.

3. The pipe ruler for measuring inner and outer diameters according to claim 1, characterized in that: the adjusting piece (3) comprises a fixing column (31) installed in the installation groove (25), a sliding cylinder (32) is arranged on the outer side of the fixing column (31) in a sliding mode, a fixing bolt (33) is arranged on the sliding cylinder (32), and the fixing block (5) is installed on the lower surface of the sliding cylinder (32).

4. A pipe rule for measuring inner and outer diameters according to claim 3, characterized in that: fixed subassembly (4) are including fixed pin (41) and cardboard (44), the through-hole that is used for passing fixed pin (41) is all offered to the side surface of fixing base (24) and the side surface of fixed column (31), and the fixed axle is installed to the side surface of fixing base (24), and the one end of cardboard (44) rotates in the fixed axle outside and sets up, and bayonet socket (45) that correspond with fixed pin (41) are seted up to the other end of cardboard (44).

5. The inside and outside diameter measuring pipe ruler according to claim 4, characterized in that: one end of the fixing pin (41) is provided with an operating end (42), the outer side surface of the other end of the fixing pin (41) is provided with an annular clamping groove (43), the fixing pin (41) penetrates through holes in the fixing seat (24) and the fixing column (31) and then the clamping groove (43) of the fixing seat is located on the other side of the fixing seat (24), and the clamping plate (44) is clamped to the clamping groove (43) through a clamping opening (45).

6. The pipe ruler for measuring inner and outer diameters according to claim 1, characterized in that: and the detection end of the fixed measuring rod (7) is provided with a ball groove, and a ball (8) is arranged in the ball groove.

7. The pipe ruler for measuring inner and outer diameters according to claim 1, characterized in that: the side surface of the pipe body (1) is uniformly provided with scale marks (12), and the side surface of the sliding ring (2) is provided with an observation port (23) corresponding to the scale marks (12).

8. The inside and outside diameter measuring pipe ruler according to claim 7, characterized in that: the overlooking projection shape of the observation port (23) is I-shaped.

9. The inside and outside diameter measuring pipe ruler according to claim 7, characterized in that: the scale marks (12) are engraved on the outer side surface of the pipe body (1).

10. A pipe ruler for measuring inner and outer diameters as claimed in any one of claims 1 to 9, wherein: the pipe body (1) is a carbon fiber pipe.