CN217005558U - Multipurpose micrometer with replaceable measuring head - Google Patents
Multipurpose micrometer with replaceable measuring head Download PDFInfo
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- CN217005558U CN217005558U CN202220774898.8U CN202220774898U CN217005558U CN 217005558 U CN217005558 U CN 217005558U CN 202220774898 U CN202220774898 U CN 202220774898U CN 217005558 U CN217005558 U CN 217005558U
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Abstract
The utility model discloses a multi-purpose micrometer with a replaceable measuring head, which belongs to the technical field of micrometers and comprises a micrometer frame, a fixed sleeve, a micro-cylinder, a micro-adjusting knob, a rotary screw rod, a fixed measuring anvil and a measuring head group, wherein the upper end of the micrometer frame is provided with an installation ring, the fixed sleeve is arranged on the installation ring, the micro-cylinder is in sliding fit with the fixed sleeve, the rotary screw rod is in threaded connection with the fixed sleeve, the micro-adjusting knob is arranged at the top of the micro-cylinder, the fixed measuring anvil is arranged at the lower end of the micrometer frame, the measuring head group is respectively arranged on the fixed measuring anvil and the rotary screw rod, the fixed measuring anvil and the rotary screw rod are respectively provided with an internal thread groove, and the measuring head group is respectively in threaded connection with the fixed measuring anvil and the rotary screw rod. When the micrometer is used for measuring different articles, the measuring head group is only required to be rotated from the internal thread groove, the measuring head group is replaced, the required measuring head group is replaced, the inner diameter of the article can be measured, and the multifunctional use of the micrometer can be realized.
Description
Technical Field
The utility model belongs to the technical field of micrometers, and particularly relates to a multipurpose micrometer with a replaceable measuring head.
Background
The micrometer, also known as micrometer screw and micrometer caliper, is composed of a micrometer frame, an anvil, a micrometer screw, a stop knob, a precision screw, a movable scale, a coarse adjustment knob and a fine adjustment knob. When the micrometer caliper is used for measurement, the measuring surface of a measuring object is placed between the measuring anvil and the micrometer screw, when the measuring anvil and the micrometer screw are closed, the surfaces of the measuring anvil and the micrometer screw are just in contact with two ends of the measuring surface, and then the measuring value of the measuring surface can be read from the scale of the micrometer caliper.
However, the existing micrometer has a single function, and a plurality of micrometers are needed to be used for measuring different products of various workpieces, so that the types are various, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a multi-purpose micrometer with a replaceable measuring head, which aims to solve the problems in the prior art.
The embodiment of the utility model adopts the following technical scheme: the utility model provides a multi-purpose micrometer of interchangeable gauge head, includes micrometer frame, fixed sleeve, differential section of thick bamboo, fine setting knob, rotatory screw rod, fixed testing anvil and survey head group, the upper end of micrometer frame is equipped with the collar, fixed sleeve sets up on the collar, differential section of thick bamboo and fixed sleeve sliding fit, the top and the differential section of thick bamboo fixed connection of rotatory screw rod, rotatory screw rod and fixed sleeve threaded connection, rotatory screw rod passes the collar, the fine setting knob sets up at the top of differential section of thick bamboo, fixed testing anvil sets up the lower extreme at micrometer frame, survey head group sets up respectively on fixed testing anvil and rotatory screw rod, all be equipped with the internal thread groove on fixed testing anvil and the rotatory screw rod, survey head group respectively with fixed testing anvil and rotatory screw rod threaded connection.
Furthermore, the measuring head group comprises two spherical measuring heads, each spherical measuring head comprises a spherical head and a first screw rod, the first screw rod is located at the bottom of the spherical head and is in threaded connection with the internal thread groove, and the two first screw rods are in threaded connection with the internal thread grooves on the fixed measuring anvil and the rotary screw rod respectively.
Furthermore, the measuring head group comprises two conical measuring heads, each conical measuring head comprises a conical head and a second screw rod, the second screw rods are located at the bottoms of the conical heads and are in threaded connection with the internal thread grooves, and the two second screw rods are in threaded connection with the internal thread grooves in the fixed measuring anvil and the rotary screw rod respectively.
Furthermore, the measuring head group comprises two plane measuring heads, each plane measuring head comprises a plane head and a third screw rod, the third screw rod is located at the bottom of the plane head and is in threaded connection with the internal thread groove, and the two third screw rods are in threaded connection with the internal thread grooves in the fixed measuring anvil and the rotary screw rod respectively
Furthermore, a locking device for fixing the rotating screw rod is arranged on the mounting ring.
Furthermore, the fixed sleeve and the micro-cylinder are provided with reading rulers.
The embodiment of the utility model adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, when different articles are measured, the measuring head group is only required to be rotated from the internal thread groove, the measuring head group is replaced, the required measuring head group is replaced, the measuring operation of the inner diameter of the articles can be carried out, the multifunctional use of the micrometer can be realized, the measuring head group can be directly screwed on the internal thread groove when the function is required, and the problem that the original measuring product needs various micrometers is solved.
Secondly, the utility model utilizes one micrometer to solve a plurality of different measuring functions, reduces the cost, is convenient to manage, replaces different head shapes of the micrometer by utilizing a thread locking mode, integrates various functions of the micrometer on the one micrometer, and is simple, rapid and convenient to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a first exploded perspective view of the present invention;
FIG. 4 is a second exploded perspective view of the present invention;
FIG. 5 is a schematic diagram of a first embodiment of the present invention;
FIG. 6 is a first schematic diagram illustrating a second embodiment of the present invention;
FIG. 7 is a second schematic diagram illustrating a second embodiment of the present invention;
FIG. 8 is a schematic view of a third embodiment of the present invention;
reference numerals
The measuring tape comprises a tape frame 1, a mounting ring 11, a fixed sleeve 2, a micro-drum 3, a fine adjustment knob 4, a rotary screw rod 5, a fixed measuring anvil 6, a measuring head group 7, a spherical measuring head 71, a spherical head 72, a first screw rod 73, a conical measuring head 74, a conical head 75, a second screw rod 76, a plane measuring head 77, a plane head 78, a third screw rod 79, an internal thread groove 8 and a locking device 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the disclosed embodiments are merely exemplary of the utility model, and are not intended to be exhaustive or exhaustive. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 8, the embodiment of the utility model provides a multi-purpose micrometer with a replaceable measuring head, which comprises a micrometer frame 1, a fixed sleeve 2, a micro-cylinder 3, a fine adjustment knob 4, a rotary screw rod 5, a fixed anvil 6 and a measuring head group 7, the upper end of the ruler frame 1 is provided with a mounting ring 11, the fixed sleeve 2 is arranged on the mounting ring 11, the micro-cylinder 3 is in sliding fit with the fixed sleeve 2, the top of the rotating screw 5 is fixedly connected with the micro-cylinder 3, the rotary screw rod 5 is in threaded connection with the fixed sleeve 2, the rotary screw rod 5 penetrates through the mounting ring 11, the fine adjustment knob 4 is arranged at the top of the micro-drum 3, the fixed measuring anvil 6 is arranged at the lower end of the ruler frame 1, the measuring head group 7 is respectively arranged on the fixed measuring anvil 6 and the rotary screw 5, the fixed measuring anvil 6 and the rotary screw 5 are respectively provided with an inner thread groove 8, and the measuring head group 7 is respectively in threaded connection with the fixed measuring anvil 6 and the rotary screw 5. The micro-adjustment knob 4 can finely adjust the rotation position of the micro-cylinder 3, the rotation screw 5 is finely adjusted, when the micro-cylinder is used, an article to be measured is placed between the measuring head groups 7, the rotation of the micro-cylinder 3 on the fixed sleeve 2 is realized, the rotation screw 5 moves downwards, so that the rotation screw 5 moves downwards to drive the measuring head groups 7 on the rotation screw 5 to move downwards, the article to be measured is measured, when different articles are measured, the measuring head groups 7 only need to be rotated from the internal thread groove 8 to replace the measuring head groups 7, the required measuring head groups 7 can be replaced to measure the inner diameter of the article, the multifunctional use of the micrometer can be realized, when the functions are required, the problem that the original measuring product needs many types of micrometers is solved, the utility model utilizes one micrometer to solve various different measuring functions, the cost is reduced, the management of being convenient for utilizes the mode of screw locking to change the different first types of micrometer now, with the various functions integration of micrometer on a micrometer, simple swift, facilitate the use.
The utility model can measure planar objects, pointed objects, wall thickness of objects, threads, common normal lines, outer diameters of small objects, outer diameters of blades and outer diameters of balls.
Specifically, the mounting ring 11 is provided with a locking device 9 for fixing the rotating screw 5. When the measuring tape is used for measuring an object, the locking device 9 can be rotated to lock the position of the rotary screw rod 5 after the object is placed on the measuring head group 7, so that the position of the fixed object can be moved when the measuring tape frame 1 is moved conveniently, and the accuracy of reading is influenced.
In particular, the fixed sleeve 2 and the micro-drum 3 are both provided with reading rulers. The inner diameter of the article can be accurately measured by judging the reading.
The first embodiment is as follows:
specifically, referring to fig. 5, the measuring head group 7 includes two spherical measuring heads 71, each spherical measuring head 71 includes a spherical head 72 and a first screw 73, the first screw 73 is located at the bottom of the spherical head 72, the first screw 73 is in threaded connection with the internal thread groove 8, and the two first screws 73 are in threaded connection with the internal thread grooves 8 on the fixed anvil 6 and the rotating screw 5, respectively. The two spherical measuring heads 71 are respectively connected into the two internal thread grooves 8, and the micro-drum 3 is rotated to fix the articles with smooth surfaces and surfaces which cannot be collided so as to measure the inner diameters of the articles.
Example two:
specifically, referring to fig. 6 and 7, the probe group 7 includes two cone probes 74, each cone probe 74 includes a cone head 75 and a second screw 76, the second screw 76 is located at the bottom of the cone head 75, the second screw 76 is in threaded connection with the internal thread groove 8, and the two second screws 76 are in threaded connection with the internal thread grooves 8 on the fixed anvil 6 and the rotary screw 5, respectively. The two spherical probes 71 are respectively connected in the two internal thread grooves 8, and the diameter of a notch on an article and the diameter of a roller external bus of the gear can be detected by rotating the micro-drum 3.
Example three:
specifically, referring to fig. 8, the measuring head group 7 includes two plane measuring heads 77, each plane measuring head 77 includes a plane head 78 and a third screw 79, the third screw 79 is located at the bottom of the plane head 78, the third screw 79 is in threaded connection with the internal thread groove 8, and the two third screws 79 are in threaded connection with the internal thread grooves 8 on the fixed anvil 6 and the rotating screw 5, respectively. Two plane measuring heads 77 are respectively connected in the two internal thread grooves 8, and the tooth root line of the helical gear can be measured by rotating the micro-drum 3.
When different articles are measured, the measuring head group 7 is only required to be rotated from the internal thread groove 8, the measuring head group 7 is replaced, the required measuring head group 7 is replaced, the inner diameter of the articles can be measured, the multifunctional use of the micrometer can be realized, the micrometer can be directly screwed on the internal thread groove 8 when the functions are required, and the problem that the original measuring products need various micrometers is solved.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The multi-purpose micrometer with the replaceable measuring head is characterized by comprising a micrometer frame (1), a fixed sleeve (2), a micro-cylinder (3), a fine adjustment knob (4), a rotary screw rod (5), a fixed measuring anvil (6) and a measuring head group (7), wherein the upper end of the micrometer frame (1) is provided with a mounting ring (11), the fixed sleeve (2) is arranged on the mounting ring (11), the micro-cylinder (3) is in sliding fit with the fixed sleeve (2), the top of the rotary screw rod (5) is fixedly connected with the micro-cylinder (3), the rotary screw rod (5) is in threaded connection with the fixed sleeve (2), the rotary screw rod (5) penetrates through the mounting ring (11), the fine adjustment knob (4) is arranged at the top of the micro-cylinder (3), the fixed measuring anvil (6) is arranged at the lower end of the micrometer frame (1), and the measuring head group (7) is respectively arranged on the fixed measuring anvil (6) and the rotary screw rod (5), the fixed measuring anvil (6) and the rotary screw (5) are respectively provided with an inner thread groove (8), and the measuring head group (7) is respectively in threaded connection with the fixed measuring anvil (6) and the rotary screw (5).
2. A micrometer with replaceable measuring head according to claim 1, wherein: the measuring head group (7) comprises two spherical measuring heads (71), each spherical measuring head (71) comprises a spherical head (72) and a first screw (73), the first screw (73) is located at the bottom of the spherical head (72), the first screw (73) is in threaded connection with the inner thread groove (8), and the two first screws (73) are in threaded connection with the inner thread grooves (8) on the fixed measuring anvil (6) and the rotating screw (5) respectively.
3. A micrometer with replaceable measuring head according to claim 1, wherein: the measuring head group (7) comprises two conical measuring heads (74), each conical measuring head (74) comprises a conical head (75) and a second screw (76), the second screw (76) is located at the bottom of the conical head (75), the second screw (76) is in threaded connection with an inner thread groove (8), and the two second screws (76) are in threaded connection with the inner thread grooves (8) on the fixed measuring anvil (6) and the rotary screw (5) respectively.
4. A micrometer with replaceable measuring head according to claim 1, wherein: the measuring head group (7) comprises two plane measuring heads (77), each plane measuring head (77) comprises a plane head (78) and a third screw (79), the third screw (79) is located at the bottom of the plane head (78), the third screw (79) is in threaded connection with an inner thread groove (8), and the third screws (79) are in threaded connection with the inner thread grooves (8) on the fixed measuring anvil (6) and the rotary screw (5) respectively.
5. A micrometer with replaceable measuring head according to claim 1, wherein: and a locking device (9) used for fixing the rotating screw rod (5) is arranged on the mounting ring (11).
6. A micrometer with replaceable measuring head according to claim 1, wherein: and the fixed sleeve (2) and the micro-drum (3) are provided with reading rulers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220774898.8U CN217005558U (en) | 2022-04-02 | 2022-04-02 | Multipurpose micrometer with replaceable measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220774898.8U CN217005558U (en) | 2022-04-02 | 2022-04-02 | Multipurpose micrometer with replaceable measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217005558U true CN217005558U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220774898.8U Active CN217005558U (en) | 2022-04-02 | 2022-04-02 | Multipurpose micrometer with replaceable measuring head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115752133A (en) * | 2022-12-17 | 2023-03-07 | 江西军哲工量具有限公司 | Micrometer for positioning inner and outer diameters |
| CN116399197A (en) * | 2023-03-31 | 2023-07-07 | 杭州工具量具有限公司 | Multipurpose digital display inside micrometer |
-
2022
- 2022-04-02 CN CN202220774898.8U patent/CN217005558U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115752133A (en) * | 2022-12-17 | 2023-03-07 | 江西军哲工量具有限公司 | Micrometer for positioning inner and outer diameters |
| CN116399197A (en) * | 2023-03-31 | 2023-07-07 | 杭州工具量具有限公司 | Multipurpose digital display inside micrometer |
| CN116399197B (en) * | 2023-03-31 | 2023-09-22 | 杭州工具量具有限公司 | Multipurpose digital display inside micrometer |
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