CN220649319U - Measuring device for diameter of inner raceway of nut - Google Patents
Measuring device for diameter of inner raceway of nut Download PDFInfo
- Publication number
- CN220649319U CN220649319U CN202322409463.0U CN202322409463U CN220649319U CN 220649319 U CN220649319 U CN 220649319U CN 202322409463 U CN202322409463 U CN 202322409463U CN 220649319 U CN220649319 U CN 220649319U
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- detection
- probe
- fixed
- nut
- shell
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- 238000001514 detection method Methods 0.000 claims abstract description 87
- 239000000523 sample Substances 0.000 claims abstract description 59
- 239000011324 bead Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000002445 nipple Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The measuring device comprises a detection host and a dial indicator, wherein the detection host comprises a shell, a moving block and a probing device; the probing device comprises a fixed probe and a movable probe, wherein the lower parts of the fixed probe and the movable probe are provided with detection edges corresponding to the bead structures of the screw threads of the nuts; the front end of the shell is provided with a dial indicator, and a probe of the dial indicator penetrates through the shell and is in contact connection with the front end of the moving block; the utility model has the beneficial effects that: the device is fixed on the inner side of the inner diameter of the nut by utilizing the detection device of the fixed end and the movable end of the detection host through the matching of the detection host and the dial indicator, and is embedded into the screw thread of the nut through the detection edge, so that the accurate detection of the diameter of the inner raceway of the nut is completed; the device has simple structure and is convenient to move; therefore, the nut inner diameter detection is convenient, and the accurate detection of the inner raceway of the nut can be performed.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a nut inner race inner diameter detection device.
Background
Nuts, also known as nuts, are parts screwed with bolts or screws to perform a tightening function; the nut is widely applied to daily work and life of human activities and is used for combined installation of devices such as fixing, fastening and the like; when the nut is used for special sealing, control and other tight equipment, the accuracy of the specification and the size of the nut needs to be ensured, so that the control and sealing effects of the device are ensured, and the inner diameter of the nut, particularly the size of the inner diameter of the inner raceway of the nut, needs to be particularly accurate.
In order to ensure the detection accuracy of the diameter of the inner raceway of the nut, detection equipment is needed to detect the inner diameter of the nut, the prior art discloses a device for detecting the inner diameter of the nipple joint nut (publication number: CN 217877632U), which comprises a bottom shell, a screw rod is arranged inside the bottom shell, a sliding block is arranged on the screw rod, a movable rod is arranged at the top of the sliding block, a ball head measuring instrument is arranged at the top of the movable rod, a connecting rod is arranged at the top of the ball head measuring instrument, the device for detecting the inner diameter of the nipple joint nut is novel in structural design, low in customization cost and high in practicability, the inner diameter of the nipple joint nut can be effectively and accurately measured, and the yield of the nipple joint nut leaving a factory is greatly improved.
The above-mentioned disclosed technology has solved the inconvenient problem of nut internal diameter detection operation, but detection device is bulky, can't carry out the detection one by one of nut on the production line, need take down the nut and use the device to carry out the spot check, and this technique can only carry out nut internal diameter detection simultaneously, can't realize the nut raceway, the diameter between the relative nut screw thread promptly.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a measuring device for detecting the diameter size of an inner raceway of a high-efficiency nut by matching a dial indicator with a detecting unit.
The utility model is realized by the following technical scheme: the utility model provides a measuring device of nut inner race pitch diameter, includes detection host computer and amesdial, the detection host computer include casing, movable block and probing device, the front portion of casing set up the detection chamber of the open cavity structure in below, the detection intracavity set up the gag lever post, the movable block suit on the gag lever post, the movable block pass through reset spring and the inner wall connection in detection chamber, the casing on set up fixed handle, the movable block on set up the detection handle, the detection handle run through casing and fixed handle parallel arrangement; the probing device comprises a fixed probe and a movable probe, wherein the fixed probe and the movable probe are both L-shaped bent rods, the lower ends of the fixed probe and the movable probe are arc-shaped structures, and the lower parts of the fixed probe and the movable probe are provided with detection edges corresponding to the bead structures of the screw threads of the nuts; the front end of the shell is provided with a dial indicator, and a probe of the dial indicator penetrates through the shell and is in contact connection with the front end of the moving block.
Preferably, the fixed probe is provided with a single strand detection edge, and the movable probe is provided with a double strand detection edge.
Preferably, the detection edge of the fixed probe is provided with a fixed steel ball, and the detection edge of the movable probe is provided with a detection steel ball.
Preferably, the dial indicator is fixed by a fixing head.
Preferably, the return springs are two independent springs arranged in parallel.
Preferably, the fixed probe is connected with the bottom of the shell through a bolt, and the movable probe is connected with the bottom of the movable block through a bolt.
Preferably, protection plates are arranged on two sides of the shell, and the protection plates are fixed with the shell through bolts.
Preferably, the flat size of the fixed handle is larger than the size of the detection handle.
Furthermore, anti-skid patterns are arranged on the fixed handle and the detection handle.
The utility model has the beneficial effects that: the device is fixed on the inner side of the inner diameter of the nut by utilizing the detection device of the fixed end and the movable end of the detection host through the matching of the detection host and the dial indicator, and is embedded into the screw thread of the nut through the detection edge, so that the accurate detection of the diameter of the inner raceway of the nut is completed; the device has a simple structure and is convenient to move, and an operator can detect the inner diameter of the nut by holding the device at the side of the production line; therefore, the nut inner diameter detection is convenient, and the accurate detection of the inner raceway of the nut can be performed.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a measuring device for the diameter of an inner raceway of a steering nut.
Fig. 2 is a schematic view of the structure of a device protection plate of a device for measuring the diameter of an inner raceway of a steering nut.
Fig. 3 is a schematic cross-sectional structure of a measuring device for the diameter of the inner race of the steering nut.
Fig. 4 is a schematic view of the internal structure of a shell of the diameter of the inner raceway of the steering nut.
Fig. 5 is a schematic structural view of a probing device for the pitch diameter of the inner race of the steering nut.
Wherein: 1. a housing; 11. a fixed handle; 2. a moving block; 21. detecting a handle; 3. a dial gauge; 4. a probe device; 41. fixing the probe; 42. a movable probe; 5. a limit rod; 6. a return spring; 7. detecting edges; 71. fixing side steel balls; 72. detecting steel balls; 8. a fixed head; 9. and a protective plate.
Detailed Description
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; 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 will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, a measuring device for the diameter of an inner raceway of a nut comprises a detection host and a dial indicator 3, wherein the detection host comprises a shell 1, a moving block 2 and a detection device 4, a detection cavity with an open cavity structure below is arranged at the front part of the shell 1, a limit rod 5 is arranged in the detection cavity, the moving block 2 is sleeved on the limit rod 5, the moving block 2 is connected with the inner wall of the detection cavity through a return spring 6, a fixed handle 11 is arranged on the shell 1, a detection handle 21 is arranged on the moving block 2, the detection handle 21 penetrates through the shell 1 and is arranged in parallel with the fixed handle 11, the movement of the moving block 2 is completed through the compression of the fixed handle 11 and the detection handle 21 by hand, so that the detection device 4 is placed in the nut to be detected, the fixed handle 11 and the detection handle 21 are placed, the detection device 4 is propped against the inner raceway (nut screw thread) of the inner wall of the nut under the action of the return spring 6, and the dial indicator 3 completes data detection; the probing device 4 comprises a fixed probe 41 and a movable probe 42, wherein the fixed probe 41 and the movable probe 42 are L-shaped bent rods, the lower ends of the fixed probe 41 and the movable probe 42 are arc-shaped structures, the lower parts of the fixed probe 41 and the movable probe 42 are provided with detection edges 7 corresponding to bead structures of nut threads, and the detection edges 7 can enter an inner raceway (the nut threads) of the inner wall of the nut, so that the accurate detection of the pitch diameter of the inner raceway of the nut is completed; the front end of the shell 1 is provided with a dial gauge 3, a probe of the dial gauge 3 penetrates through the shell 1 and is in contact connection with the front end of the moving block 2, and the dial gauge 3 is used for carrying out data of the position of the moving block 2, so that data of the diameter of the inner raceway of the nut are obtained.
The fixed probe 41 is provided with a single strand of detection ribs 7, the movable probe 42 is provided with double strand of detection ribs 7, and the contact with the inner raceway of the nut can be respectively completed through the three detection ribs 7.
The fixed steel balls 71 are arranged on the detection edges 7 of the fixed probes 41, the detection edges 7 of the movable probes 42 are provided with the detection steel balls 72, and when the device moves, the detection edges 7 can be rotated through the fixed steel balls 71 and the detection steel balls 72 to respectively complete the contact with the inner roller path of the nut, so that the scratch of screw threads of the nut caused by the detection edges 7 can be effectively avoided.
The dial indicator 3 is fixed through the fixing head 8, and the dial indicator 3 can be detached and replaced.
The reset springs 6 are two independent springs which are arranged in parallel, and the springs are respectively arranged on two sides of the limiting rod 5, so that stable movement of the moving block 2 is ensured.
The fixed probe 41 is connected with the bottom of the shell 1 through a bolt, the movable probe 42 is connected with the bottom of the movable block 2 through a bolt, the fixed probe 41 and the movable probe 42 can be detached and replaced, and the replacement of the fixed probe 41 and the movable probe 42 can be completed according to the screw thread specification of the nut to be detected.
Protection plates 9 are provided on both sides of the housing 1, and the protection plates 9 are fixed to the housing 1 by bolts, thereby protecting the device components in the object 1.
The flat size of the fixed handle 11 is larger than that of the detection handle 21, so that the device is convenient to operate, and when the fixed handle 11 and the detection handle 21 are compressed, the fixed handle 11 and the detection handle 21 are held tightly, and after the fixed handle 11 is released, only the fixed handle 11 is held.
The fixed handle 11 and the detection handle 21 are provided with anti-skid patterns, so that the operation stability of the device is ensured.
Principle of operation
When the device is used for detecting the pitch diameter of the inner raceway of the nut, firstly, an adaptive penetrating device 4 is selected according to the screw thread specification of the nut to be detected in batches, and the fixed probe 41 and the movable probe 42 are replaced; then the moving block 2 is compressed by holding the fixed handle 11 and the detecting handle 21, so that the penetrating device 4 is placed into the nut to be detected, then the holding fixed handle 11 and the detecting handle 21 are placed, the detecting edge 7 enters the inner raceway of the nut, at the moment, the moving block 2 is abutted against the inner raceway (nut screw thread) of the inner wall of the nut by the penetrating device 4 under the action of the reset spring 6, and the dial indicator 3 completes data detection; finally, the fixed handle 11 and the detection handle 21 are compressed, and the device is taken out.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (9)
1. The utility model provides a measuring device of raceway pitch diameter in nut which characterized in that: the detection device comprises a detection host and a dial indicator, wherein the detection host comprises a shell, a moving block and a penetrating device, a detection cavity with an open cavity structure below is arranged at the front part of the shell, a limit rod is arranged in the detection cavity, the moving block is sleeved on the limit rod and is connected with the inner wall of the detection cavity through a reset spring, a fixed handle is arranged on the shell, a detection handle is arranged on the moving block, and the detection handle penetrates through the shell and is arranged in parallel with the fixed handle; the probing device comprises a fixed probe and a movable probe, wherein the fixed probe and the movable probe are both L-shaped bent rods, the lower ends of the fixed probe and the movable probe are arc-shaped structures, and the lower parts of the fixed probe and the movable probe are provided with detection edges corresponding to the bead structures of the screw threads of the nuts; the front end of the shell is provided with a dial indicator, and a probe of the dial indicator penetrates through the shell and is in contact connection with the front end of the moving block.
2. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the fixed probe is provided with a single strand detection edge, and the movable probe is provided with a double strand detection edge.
3. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the detection edge of the fixed probe is provided with a fixed steel ball, and the detection edge of the movable probe is provided with a detection steel ball.
4. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the dial indicator is fixed through the fixing head.
5. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the return springs are two independent springs which are arranged in parallel.
6. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the fixed probe is connected with the bottom of the shell through a bolt, and the movable probe is connected with the bottom of the movable block through a bolt.
7. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the two sides of the shell are provided with protection plates, and the protection plates are fixed with the shell through bolts.
8. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 1, wherein: the flat size of the fixed handle is larger than that of the detection handle.
9. The device for measuring the pitch diameter of the inner raceway of the nut according to claim 8, wherein: the fixed handle and the detection handle are provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322409463.0U CN220649319U (en) | 2023-09-05 | 2023-09-05 | Measuring device for diameter of inner raceway of nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322409463.0U CN220649319U (en) | 2023-09-05 | 2023-09-05 | Measuring device for diameter of inner raceway of nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649319U true CN220649319U (en) | 2024-03-22 |
Family
ID=90292804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322409463.0U Active CN220649319U (en) | 2023-09-05 | 2023-09-05 | Measuring device for diameter of inner raceway of nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649319U (en) |
-
2023
- 2023-09-05 CN CN202322409463.0U patent/CN220649319U/en active Active
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