CN220136190U - Threaded hole end face runout detection device - Google Patents
Threaded hole end face runout detection device Download PDFInfo
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- CN220136190U CN220136190U CN202320675946.2U CN202320675946U CN220136190U CN 220136190 U CN220136190 U CN 220136190U CN 202320675946 U CN202320675946 U CN 202320675946U CN 220136190 U CN220136190 U CN 220136190U
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 abstract description 14
- 230000009191 jumping Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a threaded hole end face runout detection device which comprises a center shaft, a shell arranged outside the center shaft and a measurement assembly arranged on the shell, wherein the center shaft is provided with a threaded hole; the measuring assembly comprises measuring pieces and display pieces, wherein the measuring pieces and the display pieces are respectively arranged at two ends of the shell, the display pieces are propped against the shell, two ends of the center shaft extend beyond the shell, a thread is arranged at one end of the center shaft, which faces the measuring pieces, for being screwed into a measured threaded hole, the measuring pieces are propped against the end face of the threaded hole, a rotating piece is further arranged at one end of the shell, which faces the display pieces, and the rotating piece is fixed at one end of the shell to drive the shell to rotate, so that the measuring pieces rotate at the end face of the threaded hole. According to the utility model, the threaded end of the center shaft is rotated into the measured threaded hole, meanwhile, the measuring piece is abutted against the end face of the threaded hole, the rotating piece is controlled to drive the shell to rotate, and then the measuring piece is driven to rotate around the threaded hole, and the jumping value is fed back to the display piece, so that the traditional detection device is replaced, the center shaft is fixed with the measured threaded hole, and the accuracy of the measurement result is further ensured.
Description
Technical Field
The utility model relates to the field of gearbox detection, in particular to a threaded hole end face runout detection device.
Background
In the existing automobile gearbox shell processing, a large number of threaded holes exist, the processing process of the threaded holes is complex, and the situation that the end faces of the threaded holes are uneven is often caused. The difference between the highest point and the lowest point of the end face of the threaded hole is called a runout tolerance value, and the runout tolerance value of the end face of the threaded hole is difficult to detect.
In the prior art, the device for detecting the end face of the threaded hole comprises a center shaft and a rotary drum sleeved on the center shaft, wherein a telescopic detection steel column is arranged at the bottom of the rotary drum, the center shaft is used for propping against the bottom of the detected threaded hole, the detection steel column is used for propping against the end face of the detected threaded hole, the rotary drum is rotated when in use, and the flatness of the detected threaded hole is displayed in a display device based on the telescopic change of the detection steel column so as to judge whether the device is qualified or not according to the working experience of staff.
However, in the use process of the detection device, the middle shaft is abutted against the bottom surface of the measured screw hole, in the measurement process, the middle shaft can swing in the measured screw hole, the position between the middle shaft and the measured screw hole is not fixed, the rotation drum and the measurement steel column can follow the swing, and therefore the measurement result is not accurate enough.
Disclosure of Invention
Based on the above, the utility model aims to provide a threaded hole end face runout detection device, which aims to solve the problems that a center shaft in the existing detection device cannot be fixed with a detected threaded hole, so that swinging occurs, a measurement steel column follows the swinging, and finally a measurement result is not accurate enough.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the device for detecting the runout of the end face of the threaded hole comprises a center shaft, a shell arranged outside the center shaft and a measuring assembly arranged on the shell;
the measuring assembly comprises a measuring piece and a display piece which are respectively arranged at two ends of the shell, the display piece is propped against the shell, two ends of the central shaft are beyond the shell, one end of the central shaft, which faces the measuring piece, is provided with threads for being screwed into a measured threaded hole, the measuring piece is propped against the end face of the threaded hole, one end of the shell, which faces the display piece, is also provided with a rotating piece, and the rotating piece is fixed at one end of the shell to drive the shell to rotate so that the measuring piece rotates at the end face of the threaded hole.
In summary, according to the above-mentioned screw hole terminal surface detection device that beats, through using the screw thread end of axis to shift into the measured screw hole, the measuring part is supported in the screw hole terminal surface simultaneously, and the control rotates the piece and drives the casing and rotate, and then drives the measuring part and rotate around the screw hole, with the value feedback that beats to the display element, replaced traditional detection device for the axis is fixed with the measured screw hole, and then has guaranteed measuring result's accuracy. Specifically, the threaded hole end face runout detection device comprises a center shaft, a shell arranged outside the center shaft and a measurement assembly arranged on the shell. The measuring assembly comprises a measuring piece and a display piece which are respectively arranged at two ends of the shell, the display piece is propped against one end of the shell, a thread is arranged at one end of the center shaft, which faces the measuring piece, for being screwed into a measured threaded hole, and meanwhile the measuring piece is propped against the end face of the threaded hole. The casing is towards the one end of display element still is equipped with a rotation piece, and control rotates the piece and drives the casing and rotate, and then drives the measuring part and rotate around the screw hole, the measuring part changes the screw hole terminal surface condition of beating into the reciprocates of casing. The shell moves up and down to drive the display piece to move up and down, so that the numerical value of up and down displacement is reflected on the display piece, and the difference between the maximum value and the minimum value is the jumping tolerance value.
Further, the display piece comprises a measuring rod and a dial indicator arranged at one end of the measuring rod.
Further, one end of the measuring rod far away from the dial indicator passes through the rotating piece and abuts against the shell, so that the shell runout value is fed back to the dial indicator.
Further, the rotating member is sleeved at one end of the center shaft, which is close to the display member, and is fixed to the housing through a fixing member penetrating through the rotating member.
Further, an elastic piece is further arranged on the periphery of the middle shaft, and two ends of the elastic piece are respectively propped against the rotating piece and the middle shaft.
Further, a positioning piece is arranged on the shell, a positioning groove is formed in the center shaft, and the positioning piece penetrates through the shell and abuts against the inside of the positioning groove.
Further, the locating piece is in threaded connection with the shell.
Further, a handle is arranged on one side of the rotating piece far away from the shell, and the rotating piece is rotationally connected with the center shaft through a handle nut and fixed on the rotating piece.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a diagram illustrating an overall view of a detection apparatus according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of the detection device in fig. 1.
Description of the drawings element symbols:
the device comprises a center shaft 100, a shell 200, a measuring piece 310, a measuring rod 320, a dial indicator 330, a rotating piece 400, a fixing piece 500, an elastic piece 600, a positioning piece 710, a positioning groove 720, a handle 810, a handle nut 820, a workpiece 900 and a measured threaded hole 910.
Detailed Description
In order to make the objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-2, a schematic structural diagram of a device for detecting runout of a threaded hole end surface according to an embodiment of the present utility model is shown, the device includes a central shaft 100, a housing 200 disposed outside the central shaft 100, and a measuring assembly disposed on the housing 200, wherein:
the resulting measuring assembly includes a measuring member 310 and a display member disposed at each end of the housing 200. Since the housing 200 encloses a portion of the bottom bracket 100, both ends of the bottom bracket 100 are exposed. Meanwhile, in order to detect the jumping value of the threaded hole and facilitate assembly, threads are provided at both ends of the center shaft 100. The bottom bracket 100 includes a measurement end and an assembly end, and the measurement member 310 is disposed at an end of the housing 200 near the measurement end. When the measuring end is screwed into the threaded hole 910 to be measured, the measuring member 310 abuts against the end face of the threaded hole 910 to be measured.
Further, the housing 200 is provided with a rotating member 400 near the assembling end. The rotating member 400 is sleeved on the bottom bracket 100, and is fixed at the upper end of the housing 200 by passing through the rotating member 400 through a fixing member 500, and the rotating member 400 can drive the housing 200 to rotate around the bottom bracket 100.
Further, in order to display the runout value of the threaded hole in a visual form, the display member passes through the rotating member 400 and abuts against the housing 200. The display member includes a measuring rod 320 and a dial indicator 330 disposed at one end of the measuring rod 320. The rotating member 400 is provided with an opening, and the measuring rod 320 passes through the opening, abuts against the housing 200, and is fixed on the rotating member 400 through a clamping bushing, so as to ensure that the measuring rod 320 can be stably supported on the rotating member 400. When the rotator 400 rotates around the central axis 100, the spindle 320 does not deflect, so that it can feed back the up-and-down displacement of the housing 200 to the dial indicator 330 through the spindle 320. When the measurement is performed, the rotating member 400 is controlled to drive the housing 200 to rotate, so that the measuring member 310 rotates around the threaded hole on the end surface of the threaded hole, and when the measuring member 310 shakes up and down due to the uneven end surface of the threaded hole, the housing 200 props against the measuring rod 320 to move up and down, and the measuring rod 320 displays the value of the up and down displacement through the dial indicator 330, wherein the difference between the maximum value and the minimum value is the runout tolerance value. In order to ensure accurate measurement, the material selected by the measuring member 310 is diamond, so as to avoid damage to the material in the measuring process and influence the detection of the runout value.
In order to control the relative rotation between the bottom bracket 100 and the housing 200, a positioning member 710 is provided on the housing 200, and a positioning slot 720 is provided on the bottom bracket 100 for cooperating with the positioning member 710. The positioning member 710 penetrates the housing 200 and abuts against the positioning slot 720, and is rotatably connected with the housing 200 through threads. When the positioning member 710 is inserted into the positioning slot 720, the housing 200 and the bottom bracket 100 are locked, and the bottom bracket 100 and the housing 200 cannot rotate relatively; when the positioning member 710 is disengaged from the positioning slot 720, the housing 200 can rotate around the central axis 100 to complete the detection of the runout value of the threaded hole end surface.
In order to make the measuring member 310 quickly contact with the workpiece 900, an elastic member 600 is further provided on the bottom bracket 100. The two ends of the elastic member 600 are respectively abutted against the lower end surface of the rotating member 400 and the center shaft 100. When the bottom bracket 100 is screwed into the threaded hole, since the elastic member 600 is fixed to the bottom bracket 100, as the depth of the bottom bracket 100 entering the threaded hole increases, the restoring force of the elastic member 600 drives the measuring member 310 to abut against the end surface of the threaded hole of the workpiece 900, so that the measuring member can quickly contact the workpiece 900.
Meanwhile, in order to facilitate the hand-holding of the detecting device, a handle 810 is further provided above the rotating member 400, and the handle 810 is fixed to the bottom bracket 100 by a handle nut 820.
In specific implementation, the bottom thread part of the center shaft 100 is connected with the workpiece 900 through threads, so that the measuring part 310 contacts with the measured end surface of the threaded hole of the workpiece 900, the rotating part 400 is rotated for a circle, the measuring part 310 and the measured end surface of the threaded hole of the workpiece 900 are scratched, if the surface of the end surface is jumped, the measuring rod 320 is touched, the pointer of the dial indicator 330 is touched to move up and down, and the maximum value and the minimum value on the dial indicator 330 are read, namely the tolerance value of the surface runout of the threaded hole.
In summary, according to the above-mentioned screw hole terminal surface detection device that beats, through using the screw thread end of axis to shift into the measured screw hole, the measuring part is supported in the screw hole terminal surface simultaneously, and the control rotates the piece and drives the casing and rotate, and then drives the measuring part and rotate around the screw hole, with the value feedback that beats to the display element, replaced traditional detection device for the axis is fixed with the measured screw hole, and then has guaranteed measuring result's accuracy. Specifically, the threaded hole end face runout detection device comprises a center shaft, a shell arranged outside the center shaft and a measurement assembly arranged on the shell. The measuring assembly comprises a measuring piece and a display piece which are respectively arranged at two ends of the shell, the display piece is propped against one end of the shell, a thread is arranged at one end of the center shaft, which faces the measuring piece, for being screwed into a measured threaded hole, and meanwhile the measuring piece is propped against the end face of the threaded hole. The casing is towards the one end of display element still is equipped with a rotation piece, and control rotates the piece and drives the casing and rotate, and then drives the measuring part and rotate around the screw hole, the measuring part changes the screw hole terminal surface condition of beating into the reciprocates of casing. The shell moves up and down to drive the display piece to move up and down, so that the numerical value of up and down displacement is reflected on the display piece, and the difference between the maximum value and the minimum value is the jumping tolerance value.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model, and are described in detail, but are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The device for detecting the runout of the end face of the threaded hole is characterized by comprising a center shaft, a shell arranged outside the center shaft and a measuring assembly arranged on the shell;
the measuring assembly comprises a measuring piece and a display piece which are respectively arranged at two ends of the shell, the display piece is propped against the shell, two ends of the central shaft are beyond the shell, one end of the central shaft, which faces the measuring piece, is provided with threads for being screwed into a measured threaded hole, the measuring piece is propped against the end face of the threaded hole, one end of the shell, which faces the display piece, is also provided with a rotating piece, and the rotating piece is fixed at one end of the shell to drive the shell to rotate so that the measuring piece rotates at the end face of the threaded hole.
2. The threaded hole end runout detection device according to claim 1, wherein the display member comprises a measuring rod and a dial indicator provided at one end of the measuring rod.
3. The threaded hole end runout detection device according to claim 2, wherein one end of the measuring rod away from the dial indicator passes through the rotating member and abuts against the housing for feeding back the housing runout value to the dial indicator.
4. The device for detecting runout of an end surface of a threaded hole according to claim 1, wherein the rotating member is sleeved at one end of the central shaft near the display member, and is fixed to the housing by passing through the rotating member through a fixing member.
5. The device for detecting runout of end surfaces of threaded holes as set forth in claim 4, wherein an elastic member is further provided on an outer periphery of said center shaft, and both ends of said elastic member are respectively abutted against said rotating member and said center shaft.
6. The device for detecting runout of an end face of a threaded hole according to claim 1, wherein a positioning member is arranged on the housing, a positioning groove is arranged on the central shaft, and the positioning member penetrates through the housing and abuts against the positioning groove.
7. The threaded hole runout detection device of claim 6, wherein the locating member is threadably connected to the housing.
8. The device for detecting runout of an end face of a threaded hole according to claim 1, wherein a handle is provided on a side of the rotating member away from the housing, and is rotatably connected to the center shaft by a handle nut, and is fixed to the rotating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320675946.2U CN220136190U (en) | 2023-03-30 | 2023-03-30 | Threaded hole end face runout detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320675946.2U CN220136190U (en) | 2023-03-30 | 2023-03-30 | Threaded hole end face runout detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136190U true CN220136190U (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320675946.2U Active CN220136190U (en) | 2023-03-30 | 2023-03-30 | Threaded hole end face runout detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136190U (en) |
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2023
- 2023-03-30 CN CN202320675946.2U patent/CN220136190U/en active Active
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