CN217654399U - Inner hole groove measuring device - Google Patents
Inner hole groove measuring device Download PDFInfo
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- CN217654399U CN217654399U CN202220134636.5U CN202220134636U CN217654399U CN 217654399 U CN217654399 U CN 217654399U CN 202220134636 U CN202220134636 U CN 202220134636U CN 217654399 U CN217654399 U CN 217654399U
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Abstract
The utility model provides an inner hole groove measuring device belongs to machine part measuring instrument field, including measuring stick and the measurement assembly of setting at its top, the measuring stick side is equipped with first spout and second spout respectively, be provided with in the first spout and follow its gliding detection assembly, the contact jaw of measuring the assembly is connected with the detection assembly through the connecting rod that can remove in the measuring stick. The utility model provides a hole groove measuring device, through the survey pin, the extension bar, the mode that the percentage table combines realizes simultaneously that the hole degree of depth is measured, hole groove width is measured, and the dimensional measurement between a plurality of hole grooves, can measure narrower ring groove size through changing the minor diameter survey pin, through special measuring method, can realize the precision measurement, greatly reduced measuring error, it need not artificial handheld measuring tool to measure the overall process, the measurement security has been promoted, avoid the error because of the human factor causes simultaneously.
Description
Technical Field
The utility model provides an inner hole groove measuring device belongs to machine part and measures the utensil field.
Background
The inner hole groove is a common inner hole structure and is commonly used for a hydraulic cylinder body sealing groove and a bearing clamp spring groove, the inner hole groove has a plurality of forms due to different application scenes, the inner hole groove is roughly divided into a deep groove and a shallow groove, the size precision of the inner hole groove plays an important role in the sealing effect of the cylinder body, and the relative position of the bearing installation plays an important role.
Two measurement methods are currently known: the first method is that the side wall of the inner hole groove is measured by using a groove caliper under the condition that parts are not disassembled, but measurement errors are caused by the conditions that the groove caliper is easy to shake, a measuring rod is not perpendicular to the side wall and the like in the measurement process, and the groove caliper cannot be deeply inserted into a narrow groove for measurement; the second method is to remove the part from the chuck, measure the inner hole groove side wall by using a three-coordinate measuring machine, remove the part from the chuck for measurement, consume a lot of measurement time and greatly lose part precision if secondary clamping processing is carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that current measurement mode can cause measuring error and very big loss part precision, provide an inner hole groove measuring device.
The utility model discloses the problem that will solve is realized by following technical scheme:
the inner hole groove measuring device comprises a measuring rod and a measuring assembly arranged at the top of the measuring rod, wherein a first sliding groove and a second sliding groove are respectively formed in the side face of the measuring rod, a detecting assembly capable of sliding along the first sliding groove is arranged in the first sliding groove, and a contact end of the measuring assembly is connected with the detecting assembly through a connecting rod capable of moving in the measuring rod.
Preferably, a counter bore is formed in one end of the measuring rod, the connecting rod penetrates through the detection assembly and can move in the counter bore, a first spring is arranged in the connecting rod sleeve, and two ends of the connecting rod sleeve are connected with one end of the first sliding groove and one end of the detection assembly respectively.
Preferably, the connecting rod cover is equipped with the second spring and both ends are connected with the first spout other end and the detection assembly other end respectively.
Preferably, the detection assembly comprises a detection seat sleeved on the connecting rod and a measuring pin arranged at the top of the detection seat.
Preferably, the measuring assembly comprises a gauge stand arranged at the top of the measuring rod and a dial indicator arranged at the top of the gauge stand.
Preferably, the gauge stand comprises a supporting seat and a top plate, one end of the supporting seat is connected with the top plate through an elastic connecting plate, the other end of the supporting seat is connected with the top plate through an adjusting bolt, and the top plate is arranged at the top of the supporting seat.
Preferably, the top of the measuring rod is provided with a first dovetail cylinder, and the bottom of the supporting seat is provided with a first dovetail groove body matched with the first dovetail cylinder.
Preferably, the roof top is equipped with the second forked tail cell body, elasticity even board one end is equipped with the third forked tail cell body with the second forked tail cylinder is corresponding, the percentage table bottom be equipped with second forked tail cylinder and third forked tail cylinder matched with second forked tail cylinder.
The utility model discloses for the beneficial effect that has now:
the utility model provides a hole groove measuring device, through the survey pin, the extension bar, the mode that the percentage table combines realizes simultaneously that the hole degree of depth is measured, hole groove width is measured, and the dimensional measurement between a plurality of hole grooves, can measure narrower ring groove size through changing the minor diameter survey pin, through special measuring method, can realize the precision measurement, greatly reduced measuring error, it need not artificial handheld measuring tool to measure the overall process, the measurement security has been promoted, avoid the error because of the human factor causes simultaneously.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a plan view of the present invention.
Fig. 4 is a partial isometric view of the present invention.
Fig. 5 is a schematic view of the present invention.
Fig. 6 is an operational schematic diagram of the present invention.
Fig. 7 is an operational schematic diagram of the present invention.
Fig. 8 is an operational schematic of the present invention.
The measuring device comprises a measuring rod 1, a measuring rod 11, a second sliding groove 12, a first sliding groove 13, a counter bore, a 2-dial indicator, a meter seat 3, a detection assembly 4, a detection seat 41, a measuring needle 42, a connecting rod 5, a first spring 6, a second spring 7, an inner hole cutter seat 8, a main shaft 9, a first side wall A, a second side wall B and a third side wall C.
Detailed Description
The invention will be further explained below with reference to the accompanying figures 1 to 8:
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the first embodiment of the present invention provides an inner hole slot measuring device based on the prior art, which is characterized in that, including a measuring rod 1, a measuring assembly, a detecting assembly 4 and a connecting rod 5, the measuring assembly is installed at the top of the measuring rod 1, and the contact end of the measuring assembly is connected with the detecting assembly 4 through the connecting rod 5 which can move in the measuring rod 1.
As shown in fig. 2-3, the side of the measuring rod 1 is respectively provided with a first sliding groove 12 and a second sliding groove 11, one end of the measuring rod 1 is provided with a counter bore 13, the counter bore 13 is respectively communicated with the first sliding groove 12 and the second sliding groove 11, the first sliding groove 12 is internally provided with a detection assembly 4 capable of sliding along the first sliding groove, the detection assembly 4 comprises a detection seat 41 and a probe 42 installed at the top of the detection seat 41, two ends of the detection seat 41 are respectively connected with a first spring 6 and a second spring 7, the other ends of the first spring 6 and the second spring 7 are respectively connected with two ends of the first sliding groove 12, a contact end of the measurement assembly is installed in the second sliding groove 11, and one end of the connecting rod 5 sequentially penetrates through the detection seat 41, the first spring 6 and the second spring 7 in the counter bore 13 to contact with the contact end of the measurement assembly.
The measurement assembly includes: watch base 3 and percentage table 2, watch base 3 includes supporting seat 32 and roof 34 that one end passes through elasticity even board 33 and connects, and the supporting seat 32 passes through adjusting bolt 31 with the roof 34 other end and connects, and roof 34 is installed at supporting seat 32 top. The top of measuring stick 1 is equipped with first forked tail cylinder, thereby the supporting seat 32 bottom is equipped with and installs the supporting seat 32 at 1 top of measuring stick with first forked tail cylinder matched with first forked tail cell body. As shown in fig. 4, roof 34 top is equipped with the second forked tail cell body, and elasticity even board 33 one end is equipped with the third forked tail cell body with the second forked tail cylinder is corresponding, 2 bottoms of percentage table be equipped with second forked tail cylinder and third forked tail cylinder matched with second forked tail cylinder.
The specific working mode is as follows:
as shown in fig. 5, one end of the measuring rod 1 is inserted into the internal control tool seat 8 and fixed by a bolt, and the workpiece is mounted on the main shaft 9, if it is desired to measure the distance L1 between the first side wall a and the second side wall B; as shown in fig. 6-8, the dial of the dial gauge 2 is first rotated to point the hands to a zero position. Moving the Z axis of the machine tool to enable the measuring needle to contact the first side wall A, and setting the reading of the dial indicator 2 as a1; zeroing the machine coordinate system Z axis, moving the stylus to the position shown in fig. 7 by moving the machine X and Z axes and contacting the stylus with the second side wall B, with the dial indicator 2 reading set to a2; the Z coordinate of the machine tool displays a value b, and the diameter of the measuring needle is c, so that:
the distance L1 between the first side wall A and the second side wall B = | B | -c + | a1| + | a2 |)
If it is desired to measure the distance L2 between the second sidewall B and the second sidewall C; as shown in fig. 7, the dial of the dial indicator 2 is first rotated to point the hands to the zero position. Moving the Z axis of the machine tool to enable the measuring needle to contact the second side wall B, and setting the reading of the dial indicator as a1; zeroing the Z axis of the machine tool coordinate system, moving the measuring needle to the position shown in the figure 8 by moving the X axis and the Z axis of the machine tool, and enabling the measuring needle to contact the second side wall C, wherein the reading of the dial indicator is set as a2; the machine tool Z coordinate display value is b, and the measuring needle diameter is c, then:
the distance L2= | B | + C- | a1| - | a2|, between the second side wall B and the second side wall C. .
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (8)
1. The inner hole groove measuring device is characterized by comprising a measuring rod (1) and a measuring assembly arranged at the top of the measuring rod, wherein a first sliding groove (12) and a second sliding groove (11) are respectively formed in the side face of the measuring rod (1), a detecting assembly (4) capable of sliding along the first sliding groove is arranged in the first sliding groove (12), and a contact end of the measuring assembly is connected with the detecting assembly (4) through a connecting rod (5) capable of moving in the measuring rod (1).
2. The inner hole groove measuring device is characterized in that a counter bore (13) is formed in one end of the measuring rod (1), the connecting rod (5) penetrates through the detection assembly (4) and can move in the counter bore (13), the connecting rod (5) is sleeved with a first spring (6), and two ends of the connecting rod are respectively connected with one end of the first sliding groove (12) and one end of the detection assembly (4).
3. An inner bore groove measuring device according to claim 2, characterized in that the connecting rod (5) is sleeved with a second spring (7) and two ends of the connecting rod are respectively connected with the other end of the first sliding groove (12) and the other end of the detection assembly (4).
4. An inner bore groove measuring device according to any one of claims 1-3, characterized in that the detection assembly (4) comprises a detection seat (41) which is sleeved on the connecting rod (5) and a measuring pin (42) which is arranged on the top of the detection seat.
5. An inner bore groove measuring device according to claim 4, characterized in that the measuring assembly comprises a gauge stand (3) arranged on top of the measuring rod (1) and a dial indicator (2) arranged on top of the gauge stand (3).
6. An inner bore groove measuring device according to claim 5, characterized in that the gauge stand (3) comprises a supporting base (32) and a top plate (34) which are connected at one end by an elastic connecting plate (33), and at the other end by an adjusting bolt (31), the top plate (34) is arranged on the top of the supporting base (32).
7. An inner hole groove measuring device according to claim 6, characterized in that a first dovetail cylinder is arranged at the top of the measuring rod (1), and a first dovetail groove body matched with the first dovetail cylinder is arranged at the bottom of the supporting seat (32).
8. The inner hole groove measuring device as claimed in claim 6 or 7, wherein a second dovetail groove body is arranged at the top of the top plate (34), a third dovetail groove body is arranged at one end of the elastic connecting plate (33) corresponding to the second dovetail cylinder, and a second dovetail cylinder matched with the second dovetail cylinder and the third dovetail cylinder is arranged at the bottom of the dial indicator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220134636.5U CN217654399U (en) | 2022-01-19 | 2022-01-19 | Inner hole groove measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220134636.5U CN217654399U (en) | 2022-01-19 | 2022-01-19 | Inner hole groove measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217654399U true CN217654399U (en) | 2022-10-25 |
Family
ID=83659868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220134636.5U Active CN217654399U (en) | 2022-01-19 | 2022-01-19 | Inner hole groove measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217654399U (en) |
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2022
- 2022-01-19 CN CN202220134636.5U patent/CN217654399U/en active Active
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