CN212133484U

CN212133484U - Micrometer with strong practicability

Info

Publication number: CN212133484U
Application number: CN202020839863.9U
Authority: CN
Inventors: 王义龙
Original assignee: Wuxi Aituo Precision Machinery Co Ltd
Current assignee: Wuxi Aituo Precision Machinery Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-11
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a micrometer that practicality is strong relates to micrometer device technical field, can only measure the length of object for solving current micrometer when using, leads to the problem of the blind hole degree of depth in the unable measurement object. The utility model discloses a ruler frame, including ruler frame, locking mechanism, micro-cylinder, supporting shaft, force-measuring mechanism, supporting bench, output interface, five-sided hole, one side of ruler frame is provided with the test anvil, one side of test anvil is provided with the micro-screw rod, one side of micro-screw rod is provided with the protective sheath, one side of protective sheath is provided with the screw thread axle sleeve, the outer wall of screw thread axle sleeve is provided with locking mechanism, one side of screw thread axle sleeve is provided with fixed sleeving, one side of fixed sleeving is provided with the micro-cylinder, the outer wall of micro-cylinder is provided with the rectangular channel, one side of.

Description

Micrometer with strong practicability

Technical Field

The utility model relates to a micrometer technical field specifically is a micrometer that practicality is strong.

Background

Micrometer (also called screw micrometer) is a precise length measuring tool, which is divided into two types of mechanical and electronic, and its length can be accurately measured to 0.01 mm, and its measuring range is several cm. A part of the screw is processed into a thread with the thread pitch of 0.5mm, when the screw rotates in a thread sleeve of a fixed sleeve B, the screw advances or retreats, a movable sleeve C and a screw rod are connected into a whole, and the periphery of the screw is equally divided into 50 grids. The whole circle number of the screw rod rotation is measured by the scribed lines on the fixed sleeve at intervals of 0.5mm, the part less than one circle is measured by the scribed lines on the periphery of the movable sleeve, and the final measurement result needs to be estimated and read by one decimal. The micrometer is made according to the principle of screw amplification, i.e. the screw rod is rotated once in the nut, and the screw rod is advanced or retreated by a pitch along the direction of the rotation axis. Thus, a slight distance of movement in the axial direction can be represented by a circumferential reading. With the development of science and technology, more and more people use digital display micrometers to measure the length of an object.

The existing micrometer can only measure the length of an object when in use, so that the problem that the depth of a blind hole in the object cannot be measured is solved; therefore, the existing requirements are not met, and a micrometer with strong practicability is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a micrometer that practicality is strong to propose the length that current micrometer can only measure the object when using among the above-mentioned background art of solution, lead to the problem of the blind hole degree of depth in the unable measurement object.

In order to achieve the above object, the utility model provides a following technical scheme: a micrometer with strong practicability comprises a micrometer frame, wherein a pentagonal hole is formed in the micrometer frame, a measuring anvil is arranged on one side of the micrometer frame, a micrometer screw is arranged on one side of the measuring anvil, a protective sleeve is arranged on one side of the micrometer screw, a threaded shaft sleeve is arranged on one side of the protective sleeve, a locking mechanism is arranged on the outer wall of the threaded shaft sleeve, a fixing sleeve is arranged on one side of the threaded shaft sleeve, a micro-differential cylinder is arranged on one side of the fixing sleeve, a rectangular groove is formed in the outer wall of the micro-differential cylinder, a supporting shaft is arranged on one side of the micro-differential cylinder, a force measuring mechanism is arranged on one side of the supporting shaft, a supporting table is arranged below the threaded shaft sleeve, an output interface is arranged on one side of the supporting table, a sealing cover is arranged on the outer wall of the supporting table, the supporting table is fixedly connected, the inside in rectangular hole is provided with the display screen, the below of display screen is provided with the on & off switch, one side of on & off switch is provided with the key that resets, one side of key that resets is provided with the locking key, one side of locking key is provided with relative and absolute coordinate conversion key, relative and absolute coordinate conversion key's below is provided with the turn button.

Preferably, the ruler frame is fixedly connected with the support platform through a rotary button, and the rotary button is in threaded connection with the ruler frame.

Preferably, the protective sleeve and the fixed sleeve are in threaded connection with the threaded shaft sleeve.

Preferably, the threaded shaft sleeve and the output interface are both connected with the support table in a welding mode.

Preferably, six fastening screws are arranged, and the six fastening screws are distributed on the periphery of the closing cover.

Preferably, the rectangular grooves are provided with a plurality of rectangular grooves, and the rectangular grooves are closely distributed around the outer wall of the differential cylinder.

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

1. the utility model discloses a set up the turn button structure, can fix and rotate the chi frame to can realize measuring the length of object and the degree of depth of hole, great improvement the practicality of micrometer.

2. Through setting up reset key and relative and absolute coordinate conversion key structure, not only can measure the length before the object processing, can also measure the processing of object and accomplish the back variation to can detect the object better, can also measure the variation of position around the object simultaneously.

3. Through setting up output interface mechanism, not only can save the measured data of micrometer, can also carry out analysis and comparison on transmitting the measured data of micrometer to the computer to can improve measuring accuracy nature.

Drawings

FIG. 1 is an overall front view of the present invention;

fig. 2 is an overall left side view of the present invention;

fig. 3 is a right side view of the whole of the present invention.

In the figure: 1. a ruler frame; 101. a pentagonal hole; 2. measuring an anvil; 3. a micrometer screw; 4. a protective sleeve; 5. a threaded shaft sleeve; 6. a locking mechanism; 7. fixing the sleeve; 8. a micro-drum; 801. a rectangular groove; 9. a support shaft; 10. a force measuring mechanism; 11. a closure cap; 1101. a rectangular hole; 12. an output interface; 13. fastening screws; 14. an on-off key; 15. a reset key; 16. a locking key; 17. relative and absolute coordinate conversion keys; 18. a display screen; 19. rotating the button; 20. and a support table.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a micrometer with strong practicability comprises a micrometer frame 1, wherein a pentagonal hole 101 is formed in the micrometer frame 1, the gravity of the micrometer frame 1 can be reduced, a measuring anvil 2 is arranged on one side of the micrometer frame 1, the smoothness of a measuring surface can be improved, a micrometer screw 3 is arranged on one side of the measuring anvil 2, the length of an object and the depth of an inner hole can be measured, a protective sleeve 4 is arranged on one side of the micrometer screw 3, the micrometer screw 3 can be prevented from moving up and down, a threaded shaft sleeve 5 is arranged on one side of the protective sleeve 4, the supporting force for the micrometer screw 3 can be increased, larger vibration in the using process can be avoided, a locking mechanism 6 is arranged on the outer wall of the threaded shaft sleeve 5, the micrometer screw 3 can be clamped and fixed, so that the object can be prevented from moving when removed, a fixing sleeve 7 is arranged on one side of the threaded shaft sleeve 5, the measured data can be preliminarily displayed, a micro-forming tube 8 is arranged, the micrometer screw rod 3 can be moved left and right, the outer wall of the micro-cylinder 8 is provided with a rectangular groove 801, one side of the micro-cylinder 8 is provided with a supporting shaft 9 which can avoid shaking when the micrometer screw rod 3 moves right, one side of the supporting shaft 9 is provided with a force measuring mechanism 10 which can cause body depression due to excessive force, a supporting table 20 is arranged below the threaded shaft sleeve 5, one side of the supporting table 20 is provided with an output interface 12 which can transmit data into a computer, the outer wall of the supporting table 20 is provided with a sealing cover 11, the supporting table 20 is fixedly connected with the sealing cover 11 through a fastening screw 13, the outer wall of the sealing cover 11 is provided with a rectangular hole 1101, a display screen 18 is arranged inside the rectangular hole 1101 and can display measured data, an on-off key 14 is arranged below the display screen 18, one side of the on-off key 14 is provided with a reset key 15 which can zero the micrometer, one side of, the micro-drum 8 can be prevented from being manually touched to change data, the relative and absolute coordinate conversion key 17 is arranged on one side of the locking key 16, the rotating button 19 is arranged below the relative and absolute coordinate conversion key 17, and the ruler frame 1 can be fixed and rotated.

Further, the micrometer frame 1 and the support table 20 are fixedly connected through the rotary button 19, the rotary button 19 is in threaded connection with the micrometer frame 1, and the micrometer frame 1 can be rotated, so that the micrometer screw 3 can measure the depth of the inner hole, and the practicability of the micrometer is greatly improved.

Further, protective sheath 4 and fixed sleeve 7 all with threaded shaft sleeve 5 threaded connection, can improve stability each other, avoid producing great vibration in the use and lead to the inside instrument of brace table 20 to take place to damage.

Further, threaded shaft sleeve 5 and output interface 12 all with brace table 20 welded connection, can improve threaded shaft sleeve 5 and output interface 12's fastness, avoid the condition that breaks or drops at the in-process that uses.

Further, fastening screw 13 is provided with six, and six fastening screw 13 distribute around closing cap 11, can improve the fastness between brace table 20 and the closing cap 11, avoid making the inside components and parts of brace table take place to remove at the in-process that uses to influence micrometer's measurement accuracy.

Further, rectangular channel 801 is provided with a plurality of, and a plurality of rectangular channel 801 closely distributes around the micro-section of thick bamboo 8 outer wall, can improve and the palm between frictional force, avoid the in-process phenomenon of skidding appearing using.

The working principle is as follows: when the length of an object or the outer diameter of the object needs to be measured, firstly, the scale frame 1 is firmly fixed on one side of the support table 20 by using the rotary button 19, then the switch key 14 is opened, the micro-cylinder 8 is rotated clockwise, the micrometer screw 3 is firmly attached to the outer wall of the anvil 2, the reset key 15 is pressed down, the numerical value displayed by the display screen 18 is zero, namely, zero is corrected, then the micro-cylinder 8 is rotated anticlockwise, the micrometer screw 3 is separated from the anvil 2 by a certain distance, then the object is placed between the micrometer screw 3 and the anvil 2, the micro-cylinder 8 is rotated clockwise again, the micrometer screw 3 and the anvil 2 firmly fix the object, and the numerical value displayed on the display screen 18 is the length or the outer diameter of the object; when the depth of a blind hole needs to be measured, the rotating button 19 is rotated to enable the ruler frame 1 to rotate, then the anvil 2 and the micrometer screw 3 are used for firmly clamping the bottom surface of an object and the contact surface of the blind hole, then the reset key 15 and the relative and absolute coordinate conversion key 17 are pressed, the numerical value displayed by the display screen 18 is zero, then the micro-cylinder 8 is rotated anticlockwise to enable the object to be separated from the micrometer, the micrometer screw 3 is moved to enable the micrometer screw 3 to be in contact with the bottom of the blind hole, finally the micro-cylinder 8 is rotated clockwise to enable the micrometer screw 3 to be in contact with the bottom of the blind hole, and the absolute value of the numerical value displayed on the display screen 18 is the depth of the blind hole.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a micrometer that practicality is strong, includes chi frame (1), its characterized in that: the ruler comprises a ruler frame (1), wherein a pentagonal hole (101) is formed in the ruler frame (1), a measuring anvil (2) is arranged on one side of the ruler frame (1), a micrometer screw (3) is arranged on one side of the measuring anvil (2), a protective sleeve (4) is arranged on one side of the micrometer screw (3), a threaded shaft sleeve (5) is arranged on one side of the protective sleeve (4), a locking mechanism (6) is arranged on the outer wall of the threaded shaft sleeve (5), a fixing sleeve (7) is arranged on one side of the threaded shaft sleeve (5), a micro-cylinder (8) is arranged on one side of the fixing sleeve (7), a rectangular groove (801) is formed in the outer wall of the micro-cylinder (8), a supporting shaft (9) is arranged on one side of the micro-cylinder (8), a force measuring mechanism (10) is arranged on one side of the supporting shaft (9), and a supporting table (, one side of brace table (20) is provided with output interface (12), the outer wall of brace table (20) is provided with closing cap (11), brace table (20) passes through fastening screw (13) fixed connection with closing cap (11), the outer wall of closing cap (11) is provided with rectangular hole (1101), the inside of rectangular hole (1101) is provided with display screen (18), the below of display screen (18) is provided with on & off switch (14), one side of on & off switch (14) is provided with reset key (15), one side of reset key (15) is provided with locking key (16), one side of locking key (16) is provided with relative and absolute coordinate conversion key (17), relative and absolute coordinate conversion key (17) below is provided with swivel button (19).

2. A highly practical micrometer according to claim 1, wherein: the ruler frame (1) is fixedly connected with the support table (20) through a rotary button (19), and the rotary button (19) is in threaded connection with the ruler frame (1).

3. A highly practical micrometer according to claim 1, wherein: the protective sleeve (4) and the fixed sleeve (7) are in threaded connection with the threaded shaft sleeve (5).

4. A highly practical micrometer according to claim 1, wherein: the threaded shaft sleeve (5) and the output interface (12) are both connected with the support table (20) in a welding mode.

5. A highly practical micrometer according to claim 1, wherein: six fastening screws (13) are arranged, and the six fastening screws (13) are distributed on the periphery of the closed cover (11).

6. A highly practical micrometer according to claim 1, wherein: the rectangular groove (801) is provided with a plurality of rectangular grooves (801), and the rectangular grooves (801) are closely distributed on the periphery of the outer wall of the micro-drum (8).