CN214407284U - Counter bore pitch-row measuring apparatu - Google Patents
Counter bore pitch-row measuring apparatu Download PDFInfo
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- CN214407284U CN214407284U CN202120395500.5U CN202120395500U CN214407284U CN 214407284 U CN214407284 U CN 214407284U CN 202120395500 U CN202120395500 U CN 202120395500U CN 214407284 U CN214407284 U CN 214407284U
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- rod
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Abstract
The utility model discloses a counter bore pitch measuring instrument, which comprises a measuring rod and two positioning units, wherein one positioning unit is fixed at one end of the measuring rod, and the other positioning unit can be fixed at the other end of the measuring rod in a sliding manner; the positioning unit comprises a sleeve, a central rod, a nut block, a swing rod and a connecting rod, the sleeve in the positioning unit fixed on the measuring rod is fixed at one end of the measuring rod, the sleeve in the positioning unit capable of sliding on the measuring rod can be slidably fixed at the other end of the measuring rod to drive the central rod to rotate, and therefore the nut block moves on the central rod and drives the swing rod to stretch and retract through the connecting rod. The utility model has the advantages of, the simple easy operation of measurement process of this measuring apparatu improves measurement of efficiency greatly to this measuring apparatu simple structure, low in manufacturing cost, and then reduce measurement cost.
Description
Technical Field
The utility model relates to a machining measures technical field, specifically is a counter bore pitch-row measuring apparatu.
Background
The requirement of the hole pitch of the shaft hole of the industrial robot swing arm is high in size precision, the requirement of mutual position precision is high, the machining quality of the shaft hole directly influences subsequent assembly precision, use performance, service life and the like of a product, and therefore the hole pitch of the shaft hole is required to be measured after the swing arm is machined.
At present, two hole spacing measuring methods are generally adopted, one method is to measure the distance between the inner edge and the outer edge of two holes by using calipers and then convert the distance to obtain the hole spacing, and the measuring method is simple but has low measuring efficiency; and the other is to adopt a large-scale detection instrument for measurement, but the equipment cost of the large-scale detection instrument is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in how to improve pitch-row measurement efficiency, reduces the measurement cost.
In order to solve the technical problem, the utility model provides a following technical scheme:
a counter bore pitch measuring instrument comprises a measuring rod and two positioning units, wherein one positioning unit is fixed at one end of the measuring rod, and the other positioning unit is fixed at the other end of the measuring rod in a sliding manner;
the positioning unit comprises a sleeve, a central rod, a nut block, a swing rod and a connecting rod, the sleeve in the positioning unit fixed on the measuring rod is fixed at one end of the measuring rod, the sleeve in the positioning unit capable of sliding on the measuring rod is fixed at the other end of the measuring rod in a sliding manner, a rotatable central rod is sleeved in each sleeve, the bottom of the central rod extends out of the bottom of each sleeve and is provided with a threaded section, the threaded section at the bottom of the central rod is sleeved with a nut block matched with the threaded section, the bottom of the sleeve is at least hinged with three swing rods, the swing rods are uniformly distributed outside the sleeve, the nut block is hinged with connecting rods corresponding to the number and the positions of the swing rods, one end, far away from the nut block, of the connecting rod is hinged to the middle of the corresponding swing rod, the center rod is driven to rotate, and therefore the nut block moves on the center rod and drives the swing rod to stretch and retract through the connecting rod.
Placing the bottoms of the central rods on the positioning units on the two sides into two counter bores to be detected, rotating the central rod fixed on the measuring rod to drive the nut block to move upwards, further pushing the swing rod 24 to expand towards the inner wall of the counter bore through the connecting rod, and stopping rotating the central rod when the swing rods are attached to the inner wall of the counter bore, wherein the center of the central rod and the center of the counter bore are the same center; then, the central rod capable of sliding on the measuring rod is rotated to drive the nut block to move upwards, and then the oscillating rod is pushed to expand towards the inner wall of the counter bore through the connecting rod, the central rod can slide on the measuring rod in the oscillating rod expansion process to realize the automatic alignment of the positioning unit, namely, when the oscillating rod is attached to the inner wall of the counter bore, the rotating of the central rod is stopped, the sliding of the central rod can be stopped, the center of the central rod and the center of the counter bore are the same center at the moment, finally, the distance between the centers of the two central rods is the hole distance between the counter bores, the measuring process is simple and easy to operate, the measuring efficiency is greatly improved, the measuring instrument is simple in structure and low in manufacturing cost, and the measuring cost is reduced.
Preferably, one end of the measuring rod, which is far away from the positioning unit fixed on the measuring rod, is provided with a sliding hole, a movable sliding block is sleeved in the sliding hole, a sleeve in the positioning unit capable of sliding on the measuring rod is fixedly penetrated through the sliding block, and the sliding block is driven to move in the sliding hole, so that the positioning unit moves on the measuring rod.
Preferably, the measuring rod is provided with a scale along a sliding direction of the positioning unit.
Preferably, the 0 scale of the scale is aligned with the center of the center rod on the positioning unit fixed on the measuring rod.
Preferably, a pointer pointing to the scale is fixed on a central rod on the positioning unit capable of sliding on the measuring rod; through the scale on the directional scale of pointer, can read out fast the well rod centre spacing in the left and right sides, and then reachs the pitch-row of counter bore fast, improves measurement of efficiency.
Preferably, the top of the central rod is fixed with a manual adjusting knob; the rotation of the center rod is convenient to adjust.
Preferably, a positioning disc is coaxially fixed at the bottom of the sleeve; the positioning disc is pressed on the top surface of the counter bore, so that the positioning unit is convenient to position.
Preferably, the number of the swing rods and the number of the connecting rods are three.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the measuring instrument has the advantages of simple and easy operation in the measuring process, greatly improved measuring efficiency, simple structure, low manufacturing cost and reduced measuring cost.
2. Through the scale on the directional scale of pointer, can read out fast the well rod centre spacing in the left and right sides, and then reachs the pitch-row of counter bore fast, improves measurement of efficiency.
3. Through the setting of hand adjustment knob, conveniently adjust the rotation of well core rod.
4. Through the setting of positioning disk, make things convenient for positioning unit's location.
Drawings
Fig. 1 is a schematic structural view of a counter bore pitch measuring instrument according to an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
fig. 3 is a cross-sectional view a-a of fig. 2.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the embodiment discloses a counter bore pitch measuring instrument, which includes a measuring rod 1 and two positioning units 2, wherein one positioning unit 2 is fixed at one end of the measuring rod 1, and the other positioning unit 2 is slidably fixed at the other end of the measuring rod 1, in the embodiment, the right positioning unit 2 is fixed on the measuring rod 1, and the left positioning unit 2 is slidably fixed on the measuring rod 1.
The left side of measuring stick 1 has seted up slide opening 11 along the length direction of measuring stick 1, slide opening 11 endotheca is equipped with sliding block 3, and left side locating element 2 fixes on sliding block 3, the drive sliding block 3 removes in slide opening 11, causes left side locating element 2 to remove on measuring stick 1.
Referring to fig. 3, the positioning unit 2 includes a sleeve 21, a central rod 22, a nut block 23, a swing link 24, a connecting rod 25, a manual adjusting knob 26 and a positioning disk 27, the sleeve 21 on the right positioning unit 2 is fixed at the right end of the measuring stick 1, the sleeve 21 on the left positioning unit 2 penetrates through the sliding block 3 and is fixed on the sliding block 3, a rotatable center rod 22 is sleeved in each sleeve 21, the bottom of the center rod 22 extends out of the bottom of the sleeve 21 and is provided with a threaded section, a nut block 23 matched with the threaded section at the bottom of the central rod 22 is sleeved on the threaded section at the bottom of the central rod, at least three swing rods 24 are hinged at the bottom of the sleeve 21, the swing rods 24 are uniformly distributed on the outer side of the sleeve 21, the nut block 23 is hinged with connecting rods 25 corresponding to the number and positions of the swing rods 24, in this embodiment, the number of the swing rods 24 and the number of the connecting rods 25 are three, and one end of each connecting rod 25, which is far away from the nut block 23, is hinged to the middle of the corresponding swing rod 24; the central rod 22 is driven to rotate, so that the nut block 23 moves on the central rod 22 and drives the swing rod 24 to extend and retract through the connecting rod 25.
Specifically, the bottoms of the central rods 22 on the left and right positioning units 2 are placed in two counter bores to be tested, the central rod 22 on the right side is rotated to drive the nut block 23 to move upwards, and then the swing rods 24 are pushed by the connecting rods 25 to expand towards the inner walls of the counter bores, when the three swing rods 24 are attached to the inner walls of the counter bores, the central rod 22 stops rotating, and at the moment, the center of the central rod 22 and the center of the counter bores are the same center; then, the left center rod 22 is rotated to drive the nut block 23 to move upwards, and then the swing rod 24 is pushed to expand towards the inner wall of the counter bore through the connecting rod 25, the sliding block 3 can slide in the sliding hole 11 in the expansion process of the swing rod 24, so that the automatic alignment of the left positioning unit 2 is realized, namely when the three swing rods 24 on the left side are all attached to the inner wall of the counter bore, the rotation of the center rod 22 is stopped, the sliding block 3 also stops sliding, the center of the center rod 22 and the center of the counter bore are the same center at the moment, finally, the distance between the centers of the two center rods 22 is the hole distance between the counter bores, the measuring process is simple and easy to operate, the measuring efficiency is greatly improved, the measuring instrument is simple in structure, the manufacturing cost is low, and the measuring cost is further reduced.
Furthermore, the top of the central rod 22 is fixed with the manual adjusting knob 26, so that the rotation of the central rod 22 can be conveniently adjusted, the positioning disc 27 is coaxially fixed on the sleeve 21 above the swing rod 24, and the positioning disc 27 is pressed on the top surface of the counter bore, so that the positioning of the positioning unit 2 is facilitated.
Referring to fig. 2 again, the graduated scale 4 is arranged on the upper surface of the measuring rod 1 along the sliding direction of the left positioning unit 2, 0 scale of the graduated scale 4 is aligned to the center of the central rod 21 on the right positioning unit 2, the pointer 5 pointing to the graduated scale 4 is fixed on the center of the central rod 21 on the left positioning unit 2, the distance between the centers of the central rods 21 on the left and right sides can be read quickly through the scale of the pointer 5 pointing to the graduated scale 4, the hole distance of the counter bore can be obtained quickly, and the measuring efficiency is improved.
The utility model discloses a theory of operation is: the bottom of the central rod 22 on the positioning units 2 on the left side and the right side is placed in the two counter bores to be tested, and the positioning discs 27 are pressed on the top surfaces of the counter bores, so that the positioning units 2 are convenient to position; then, the right central rod 22 is rotated to drive the nut block 23 to move upwards, the swing rods 24 are pushed by the connecting rods 25 to expand towards the inner wall of the counter bore, when the three swing rods 24 are attached to the inner wall of the counter bore, the central rod 22 is stopped to rotate, and the center of the central rod 22 and the center of the counter bore are the same; then rotate left well core rod 22 again, drive nut piece 23 upward movement, and then promote pendulum rod 24 through connecting rod 25 and expand to the counter bore inner wall, in the expansion process of pendulum rod 24 slide block 3 can slide in slide opening 11, realize left side positioning unit 2's automatic alignment, when three pendulum rod 24 in the left side all laminated on the counter bore inner wall promptly, then stop rotating well core rod 22, and slide block 3 also can stop sliding, the center of well core rod 22 and the center of counter bore are same center this moment, and through reading out the scale on the directional scale 4 of pointer 5 on the well core rod 22 in the left side, can read out well core rod 21 central interval in the left and right sides fast, and then reachd the pitch-hole of counter bore fast.
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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (8)
1. A counter bore pitch-row measuring apparatu which characterized in that: the device comprises a measuring rod and two positioning units, wherein one positioning unit is fixed at one end of the measuring rod, and the other positioning unit is fixed at the other end of the measuring rod in a sliding manner;
the positioning unit comprises a sleeve, a central rod, a nut block, a swing rod and a connecting rod, the sleeve in the positioning unit fixed on the measuring rod is fixed at one end of the measuring rod, the sleeve in the positioning unit capable of sliding on the measuring rod is fixed at the other end of the measuring rod in a sliding manner, a rotatable central rod is sleeved in each sleeve, the bottom of the central rod extends out of the bottom of each sleeve and is provided with a threaded section, the threaded section at the bottom of the central rod is sleeved with a nut block matched with the threaded section, the bottom of the sleeve is at least hinged with three swing rods, the swing rods are uniformly distributed outside the sleeve, the nut block is hinged with connecting rods corresponding to the number and the positions of the swing rods, one end, far away from the nut block, of the connecting rod is hinged to the middle of the corresponding swing rod, the center rod is driven to rotate, and therefore the nut block moves on the center rod and drives the swing rod to stretch and retract through the connecting rod.
2. The counterbore pitch gauge of claim 1, wherein: the measuring rod is provided with a sliding hole at one end far away from the positioning unit fixed on the measuring rod, a movable sliding block is sleeved in the sliding hole, a sleeve in the positioning unit capable of sliding on the measuring rod penetrates through and is fixed on the sliding block, and the sliding block is driven to move in the sliding hole, so that the positioning unit moves on the measuring rod.
3. The counterbore pitch gauge of claim 1, wherein: and the measuring rod is provided with a graduated scale along the sliding direction of the positioning unit.
4. A counterbore pitch gauge according to claim 3, wherein: the scale 0 of the graduated scale is aligned with the center of the central rod on the positioning unit fixed on the measuring rod.
5. A counterbore pitch gauge according to claim 3, wherein: and a pointer pointing to the graduated scale is fixed on a central rod on the positioning unit which can slide on the measuring rod.
6. The counterbore pitch gauge of claim 1, wherein: and the top of the central rod is fixed with a manual adjusting knob.
7. The counterbore pitch gauge of claim 1, wherein: and a positioning disc is coaxially fixed at the bottom of the sleeve.
8. The counterbore pitch gauge of claim 1, wherein: the number of the swing rods and the number of the connecting rods are three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395500.5U CN214407284U (en) | 2021-02-22 | 2021-02-22 | Counter bore pitch-row measuring apparatu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395500.5U CN214407284U (en) | 2021-02-22 | 2021-02-22 | Counter bore pitch-row measuring apparatu |
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| Publication Number | Publication Date |
|---|---|
| CN214407284U true CN214407284U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120395500.5U Active CN214407284U (en) | 2021-02-22 | 2021-02-22 | Counter bore pitch-row measuring apparatu |
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| CN (1) | CN214407284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116625252A (en) * | 2023-07-17 | 2023-08-22 | 山东誉中新材料股份有限公司 | Pitch measuring apparatu is used in hardware production |
-
2021
- 2021-02-22 CN CN202120395500.5U patent/CN214407284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116625252A (en) * | 2023-07-17 | 2023-08-22 | 山东誉中新材料股份有限公司 | Pitch measuring apparatu is used in hardware production |
| CN116625252B (en) * | 2023-07-17 | 2023-09-29 | 山东誉中新材料股份有限公司 | Pitch measuring apparatu is used in hardware production |
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