CN213238714U - Multipurpose large-size part inner size measuring device - Google Patents
Multipurpose large-size part inner size measuring device Download PDFInfo
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- CN213238714U CN213238714U CN202021697503.6U CN202021697503U CN213238714U CN 213238714 U CN213238714 U CN 213238714U CN 202021697503 U CN202021697503 U CN 202021697503U CN 213238714 U CN213238714 U CN 213238714U
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- guide rod
- moving rod
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- measuring device
- measuring head
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Abstract
The utility model relates to a size measurement device in multipurpose jumbo size part, including showing the cover, the coaxial cover is equipped with hollow structure's guide arm in the table cover, and the guide arm both ends all stretch out the table cover and are connected with first connecting seat and second connecting seat respectively, and detachably corresponds on first connecting seat and second connecting seat and installs first positioning seat and second positioning seat, all be equipped with coaxial setting at the both ends of guide arm and stretch out first gauge head and the second gauge head at this guide arm both ends, the second gauge head through the suit in the guide arm and install with the pole telescopically of the coaxial setting of this guide arm one end moves the pole and keeps away from the one end of second gauge head is equipped with reset spring. The utility model discloses a hollow guide arm structure has alleviateed the utility model discloses measuring device's weight, and structural design is reasonable, compact, and is small, is convenient for carry out measuring operation. And the guide rod is divided into two sections, so that the processing and the manufacturing are convenient, and the processing cost is reduced.
Description
Technical Field
The utility model relates to a measuring tool for measuring jumbo size part internal dimension, especially a size measuring device in multipurpose jumbo size part.
Background
Because large-size parts are small in production batch, multiple in specifications and large in size change, the sizes of the large-diameter inner hole and the inner ring groove, the inner M value and the like need to be measured when the large-size parts are machined. But the precision of the measuring tape adopted for measurement is not enough; the large vernier caliper is inconvenient to measure due to the fact that the large vernier caliper is large in size and heavy in weight.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measure convenient multipurpose jumbo size part internal dimension measuring device.
In order to achieve the above purpose, the utility model provides a multipurpose large-size part inner dimension measuring device, which comprises a watch sleeve, a gauge stand is arranged on the outer surface of the gauge sleeve, a measuring gauge is arranged on the gauge stand, a guide rod with a hollow structure is coaxially sleeved in the gauge sleeve, two ends of the guide rod extend out of the meter sleeve and are respectively connected with the first connecting seat and the second connecting seat, a first positioning seat and a second positioning seat are detachably and correspondingly arranged on the first connecting seat and the second connecting seat, a first measuring head and a second measuring head which are coaxially arranged and extend out of the two ends of the guide rod are arranged at the two ends of the guide rod, the second measuring head is telescopically arranged at one end of the guide rod through a moving rod which is sleeved in the guide rod and is coaxial with the guide rod, a reset spring is arranged at one end of the moving rod, which is far away from the second measuring head, and the moving rod is reset under the action of the reset spring; the measuring meter is connected with the meter felt fixedly connected with the moving rod.
Further, the first measuring head and the second measuring head are both cylindrical alloy columns, or the first measuring head and the second measuring head are both alloy balls.
Furthermore, one end, far away from the second measuring head, of the moving rod is provided with a spring seat extending in the radial direction far away from the axis direction of the moving rod, the inner cavity of the guide rod is a step hole, one end of the reset spring is fixedly connected to a step of the step hole, and the other end of the reset spring is sleeved on the outer side of the moving rod and is fixedly connected with the spring seat.
Further, a linear bearing is arranged between one end, far away from the second measuring head, of the moving rod and the wall of the inner cavity of the guide rod.
Furthermore, the guide rod consists of a fixed section and a floating section which are connected through threads, the inner cavity of the fixed section is step-shaped, and the inner cavity of the floating section is cylindrical and is used for accommodating the moving rod.
Furthermore, two opposite sides of the outer surface of the floating section are provided with strip-shaped through holes arranged along the axial direction of the floating section, a handle fixedly connected with the moving rod is arranged in each through hole, and the handle extends out of the floating section.
Furthermore, the second measuring head is installed on the moving rod through an alloy seat, and the first measuring head is installed on the guide rod through an adjusting head.
The utility model discloses following technological effect has:
the utility model relates to a principle accords with the abbe principle, and the measuring direction is unanimous with the measured size direction, and the second gauge head that can stretch out and draw back through the design (moving the measurement station) and first gauge head (fixed point) look for the measuring mode of extreme value, moves the measurement station and fixes on moving the pole, moves the pole and installs on linear bearing, and linear bearing installs in the cavity of guide arm, is convenient for move the removal of pole, and moves the frictional force and hang down to improve the accuracy of test. The design of positioning seat is convenient for the location of measuring device on the measured workpiece plane, and the positioning seat passes through bolt assembly detachably and installs on the connecting seat, is convenient for change the positioning seat of different shapes according to the shape of measured workpiece.
The utility model discloses a hollow guide arm structure has alleviateed the utility model discloses measuring device's weight, and structural design is reasonable, compact, and is small, is convenient for carry out measuring operation. And the guide rod is divided into two sections, so that the processing and the manufacturing are convenient, and the processing cost is reduced. Be equipped with the table cover in the outside of guide arm, the table cover is located the junction of two sections guide arms, and intensity is improved increases the rigidity, improves the utility model discloses a stability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the figure:
FIG. 1 is a schematic front sectional view of a multi-purpose large-size part inner dimension measuring device according to the present invention;
figure 2 is a schematic top view directional cross-sectional view of a multipurpose large-size part internal dimension measuring device according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be embodied in many different forms and covered by the claims.
The utility model discloses a size measurement device in multipurpose jumbo size part of a preferred embodiment is described in detail below with reference to fig. 1 and 2, including table cover 17, be equipped with table seat 14 on the surface of table cover 17, be equipped with the measuring gauge on table seat 14, the measuring gauge is fixed in table seat 14 through pressure gauge nail 13 on, specifically do, the table cover outside is equipped with nylon seat 19, and pressure gauge is decided 13 and is passed nylon seat 19 and press on the gauge stick of test meter. The measuring meter of the embodiment adopts a dial indicator, a guide rod with a hollow structure is coaxially sleeved in a meter sleeve 17, two ends of the guide rod extend out of the meter sleeve 17 and are respectively connected with a first connecting seat and a second connecting seat, a first positioning seat 10 and a second positioning seat 15 are detachably and correspondingly installed on the first connecting seat 11 and the second connecting seat, a first measuring head 9 and a second measuring head 8 which are coaxially arranged and extend out of two ends of the guide rod are respectively arranged at two ends of the guide rod, the second measuring head 8 is telescopically installed at one end of the guide rod through a moving rod 2 which is sleeved in the guide rod and coaxially arranged with the guide rod, a reset spring 6 is arranged at one end of the moving rod 2 far away from the second measuring head 8, and the moving rod 2 resets under the action of the reset spring 6; the meter is connected by a meter felt 18 fixedly connected to the moving bar 2. This measuring device is convenient for fix a position through first positioning seat 9 and second positioning seat 15, during the measurement, second gauge head 8 is pushed down to drive and is moved pole 5 extrusion reset spring 6 under the inner wall extrusion of hole or inside groove including, and reset spring compresses, and after the measurement is accomplished, under reset spring 6's effect, second gauge head 8 resets. When the diameter of the large-diameter inner hole and the size of the inner ring groove are measured, the first measuring head 9 and the second measuring head 8 are both cylindrical alloy columns; when measuring the inner M value, the first gauge head 9 and the second gauge head 8 are both alloy balls.
The return spring 6 of the present embodiment is connected to the moving rod 2 as follows: one end of the moving rod 2, which is far away from the second measuring head 8, is provided with a spring seat which radially extends in the direction far away from the axis of the moving rod 2, the inner cavity of the guide rod 2 is a step hole, one end of the reset spring 6 is fixedly connected to the step of the step hole, and the other end of the reset spring is sleeved on the outer side of the moving rod 2 and is fixedly connected with the spring seat.
In order to facilitate the moving of the moving rod 2 along the axis direction of the guide rod, a linear bearing 20 is arranged between the inner cavity wall of the guide rod at one end of the moving rod 2 far away from the second measuring head 8.
In order to facilitate the manufacture of the guide rod and the processing of the guide rod inner cavity, the guide rod of the embodiment is composed of a fixed section 3 and a floating section 1 which are connected through threads, the inner cavity of the fixed section 3 is step-shaped, and the inner cavity of the floating section 1 is cylindrical and is used for accommodating the moving rod 2.
In this embodiment, the two opposite sides of the outer surface of the floating section 1 are provided with strip-shaped through holes arranged along the axis direction of the floating section, a handle 4 fixedly connected with the moving rod 2 is arranged in the through holes, the handle 4 extends out of the floating section 1, a handle cap 5 is arranged on the handle 4, and the multipurpose large-size part inner size measuring device is convenient to move through the handle.
In this embodiment, the second gauge head 8 is installed on moving pole 2 through the alloy seat, the alloy seat with move pole 2 threaded connection, first gauge head 9 is installed in the one end of the section of floating 1 of keeping away from of the canned paragraph 3 of guide arm through adjusting head 7, adjusts head 7 and canned paragraph 3 threaded connection, the outside of adjusting head 7 is equipped with and cap 12. So design be convenient for guarantee the second gauge head 8 with move the axiality of pole 2 to and the axiality of first gauge head 8 and canned paragraph 3, and be convenient for change the gauge head, thereby make the utility model discloses be convenient for change different gauge heads when measuring device is used for measuring different sizes.
The utility model discloses in, the both sides of gauge are equipped with backplate 16, prevent to damage the gauge in using and removing the process, thereby prolong the utility model discloses a life reduces the maintenance rate.
The utility model relates to a principle accords with the abbe principle, and the measuring direction is unanimous with the measured size direction, and the second gauge head that can stretch out and draw back through the design (moving the measurement station) and first gauge head (fixed point) look for the measuring mode of extreme value, moves the measurement station and fixes on moving the pole, moves the pole and installs on linear bearing, and linear bearing installs in the cavity of guide arm, is convenient for move the removal of pole, and moves the frictional force and hang down to improve the accuracy of test. The design of positioning seat is convenient for the location of measuring device on the measured workpiece plane, and the positioning seat passes through bolt assembly detachably and installs on the connecting seat, is convenient for change the positioning seat of different shapes according to the shape of measured workpiece.
The utility model discloses a hollow guide arm structure has alleviateed the utility model discloses measuring device's weight, and structural design is reasonable, compact, and is small, is convenient for carry out measuring operation. And the guide rod is divided into two sections, so that the processing and the manufacturing are convenient, and the processing cost is reduced. Be equipped with the table cover in the outside of guide arm, the table cover is located the junction of two sections guide arms, and intensity is improved increases the rigidity, improves the utility model discloses a stability.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A multipurpose inner dimension measuring device for large-dimension parts comprises a meter sleeve, a meter base is arranged on the outer surface of the meter sleeve, a measuring meter is arranged on the meter base, it is characterized in that a guide rod with a hollow structure is coaxially sleeved in the watch sleeve, two ends of the guide rod extend out of the watch sleeve and are respectively connected with the first connecting seat and the second connecting seat, a first positioning seat and a second positioning seat are detachably and correspondingly arranged on the first connecting seat and the second connecting seat, a first measuring head and a second measuring head which are coaxially arranged and extend out of the two ends of the guide rod are arranged at the two ends of the guide rod, the second measuring head is telescopically arranged at one end of the guide rod through a moving rod which is sleeved in the guide rod and is coaxial with the guide rod, a reset spring is arranged at one end of the moving rod, which is far away from the second measuring head, and the moving rod is reset under the action of the reset spring; the measuring meter is connected with the meter felt fixedly connected with the moving rod.
2. The multi-purpose large-sized part inside dimension measuring device according to claim 1, wherein the first measuring head and the second measuring head are cylindrical alloy columns or alloy balls.
3. The multipurpose large-size part inner size measuring device according to claim 1 or 2, wherein a spring seat extending radially away from the axis of the moving rod is arranged at one end of the moving rod away from the second measuring head, the inner cavity of the guide rod is a stepped hole, one end of the return spring is fixedly connected to the step of the stepped hole, and the other end of the return spring is sleeved outside the moving rod and is fixedly connected with the spring seat.
4. The multipurpose large-size part inner size measuring device according to claim 3, wherein a linear bearing is arranged between one end of the moving rod, away from the second measuring head, and the wall of the guide rod inner cavity.
5. The multipurpose internal dimension measuring device for large-size parts according to claim 4, wherein the guide rod is composed of a fixed section and a floating section which are connected through screw threads, the inner cavity of the fixed section is stepped, and the inner cavity of the floating section is cylindrical and used for accommodating the moving rod.
6. The multipurpose large-size part inner size measuring device according to claim 5, wherein elongated through holes are formed in two opposite sides of the outer surface of the floating section and arranged along the axial direction of the floating section, a handle fixedly connected with the moving rod is arranged in each through hole, and the handle extends out of the floating section.
7. The multipurpose large-size part internal dimension measuring device according to claim 6, wherein the second measuring head is mounted on the moving rod through an alloy seat, and the first measuring head is mounted on the guide rod through an adjusting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697503.6U CN213238714U (en) | 2020-08-14 | 2020-08-14 | Multipurpose large-size part inner size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697503.6U CN213238714U (en) | 2020-08-14 | 2020-08-14 | Multipurpose large-size part inner size measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238714U true CN213238714U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021697503.6U Active CN213238714U (en) | 2020-08-14 | 2020-08-14 | Multipurpose large-size part inner size measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238714U (en) |
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2020
- 2020-08-14 CN CN202021697503.6U patent/CN213238714U/en active Active
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