CN218916193U - Symmetry detection tool for drain hole of steering nut - Google Patents
Symmetry detection tool for drain hole of steering nut Download PDFInfo
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- CN218916193U CN218916193U CN202223114589.7U CN202223114589U CN218916193U CN 218916193 U CN218916193 U CN 218916193U CN 202223114589 U CN202223114589 U CN 202223114589U CN 218916193 U CN218916193 U CN 218916193U
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- hole positioning
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Abstract
Steering nut drain hole symmetry detects frock relates to steering nut processing technology field, concretely belongs to steering nut drain hole symmetry detects frock. Comprises a detection table and a detection block; the detection platform comprises a base, a fixing seat is arranged on one side of the base, a plug board hole is formed in the fixing seat, a plug board capable of being inserted and extracted is arranged in the plug board hole, and the plug board is parallel to the upper surface of the base; a drain hole positioning block is arranged on one side of the fixed seat on the base, and a bottom hole positioning block is arranged on the other side of the drain hole positioning block; the bottom hole positioning block is connected with the central point of the oil drain hole positioning block, is positioned on the same plane with the central line of the plugboard along the drawing and inserting direction, and is orthogonal with the upper surface of the base; and one side of the detection block is provided with a rib groove, the other side of the detection block is provided with detection grooves symmetrical along the central line of the rib groove, and the size and the shape of the detection grooves are matched with those of the plugboard. The utility model has the advantages of reducing the inspection cost, reducing the technical requirements of inspection operation and improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of steering nut processing, in particular to a symmetry detection tool for a steering nut oil drain hole.
Background
The automobile steering gear is one of important parts in an automobile steering system, wherein the circulating ball type steering gear is also called as a comprehensive steering gear, and is a structure form which is commonly used on automobiles at home and abroad at present. The steering nut is one of important parts of the recirculating ball steering gear, and is matched with the sector shaft and the worm to control the steering of the automobile. The processing quality of the steering nut has very important influence on the service performance of the automobile, wherein the symmetry degree of the oil drain hole on the outer circle axis vertical to the tooth surface is an important parameter for measuring the processing quality of the steering nut, and when the out-of-tolerance symmetry degree of the oil drain hole is lighter, a driver has poor steering hand feeling in the driving process; when the symmetry degree of the oil drain hole is out of tolerance, the accident that the automobile turns to a clamping stagnation and cannot turn to the steering can occur. At present, the detection of the symmetry degree of the oil leakage hole is often dependent on a three-coordinate special detection device for detection, but the three-coordinate device is high in price, long in symmetry degree detection time, high in operation technical requirements, and has the problems of high detection cost and low working efficiency.
In addition, the current processing technology can completely meet the processing precision requirements of parameters such as the symmetry degree of two rib surfaces of the steering nut relative to the outer circle axis vertical to the tooth surface, the concentricity of the bottom hole and the outer circle vertical to the tooth surface, the center distance between the bottom hole and the oil drain hole and the like.
Disclosure of Invention
The utility model aims to provide a symmetry detection tool for a steering nut oil drain hole, so as to achieve the purposes of reducing the inspection cost of the symmetry of the steering nut oil drain hole, reducing the technical requirements of inspection operation and improving the working efficiency.
The utility model provides a symmetry detection tool for a drain hole of a steering nut, which comprises a detection table and a detection block; the detection platform comprises a base, a fixing seat is arranged on one side of the base, a plug board hole is formed in the fixing seat, a plug board capable of being pulled out and plugged is arranged in the plug board hole, and the plug board is parallel to the upper surface of the base; a drain hole positioning block is arranged on one side of the fixed seat on the base, and a bottom hole positioning block is arranged on the other side of the drain hole positioning block; the bottom hole positioning block is connected with the central point of the oil drain hole positioning block, is positioned on the same plane with the central line of the plugboard along the drawing and inserting direction, and is orthogonal with the upper surface of the base; and one side of the detection block is provided with a rib groove, the other side of the detection block is provided with detection grooves symmetrical along the central line of the rib groove, and the size and the shape of the detection grooves are matched with those of the plugboard.
Further, a bottom hole positioning groove and a drain hole positioning groove are formed in the corresponding positions of the bottom hole positioning block and the drain hole positioning block on the base.
Further, a bottom hole insert block which is coaxial with the bottom hole positioning block and is integrally formed is arranged below the bottom hole positioning block, the size and the shape of the bottom hole insert block are matched with those of the bottom hole positioning groove, an oil drain hole insert block which is coaxial with the oil drain hole positioning block and is integrally formed is arranged below the oil drain hole positioning block, and the size and the shape of the oil drain hole insert block are matched with those of the oil drain hole positioning groove.
Further, the detection hole is a square hole or a round hole.
According to the symmetry detection tool for the drain hole of the steering nut, the steering nut is positioned on the detection table through the matching of the bottom hole positioning block and the drain hole positioning block of the detection tool with the bottom hole and the drain hole of the steering nut, when the detection is carried out, the rib groove of the detection block is clamped on the rib of the steering nut, the detection block is fixed by a left hand, the inserting plate is pushed by a right hand, if the inserting plate can be smoothly inserted into the detection groove, the symmetry of the drain hole is proved to be qualified, and if the inserting plate cannot be inserted into the detection groove, the symmetry of the drain hole is proved to be out of tolerance. Therefore, the utility model has low operation difficulty, can reduce the dependence on special inspection equipment such as three coordinates and the like, is suitable for operators and inspectors on the processing site, and has high detection speed.
In conclusion, the utility model has the beneficial effects of reducing the inspection cost, reducing the technical requirements of inspection operation and improving the working efficiency.
Drawings
Fig. 1 is a schematic view of a steering nut.
Fig. 2 is a cross-sectional view of the steering nut.
FIG. 3 is a schematic diagram of the structure of the present utility model.
Fig. 4 is a schematic structural view of the working state of the present utility model.
Fig. 5 is a top view of the present utility model in operation.
Fig. 6 isbase:Sub>A cross-sectional view of the present utility model taken along linebase:Sub>A-base:Sub>A.
Detailed Description
1-6, the symmetry detection tool for the drain hole of the steering nut comprises a detection table and a detection block 5; the detection platform includes base 2, is provided with fixing base 3 on base one side, and fixing base and base can also pass through pin connection through screw fixed connection, and fixing base and base pass through pin connection in this embodiment, and the fixing base both sides are provided with 2 locating holes that run through whole fixed plate respectively, are provided with the jack with the corresponding position in fixing base locating hole on the base, are connected together fixing base and base through the cooperation of bolt and jack, locating hole. Be provided with the plugboard hole 31 on the fixing base, the plugboard hole is square hole or circular hole, and the plugboard hole is square hole in this embodiment, is provided with the picture peg 4 that can take out of plugboard hole suited with the plugboard hole in the plugboard hole, and the picture peg is parallel with the base upper surface. An oil drain hole positioning block 22 is arranged on one side of the base upper fixing seat, and a bottom hole positioning block 21 is arranged on the other side of the oil drain hole positioning block; the size and the center distance of the bottom hole positioning block and the oil drain hole positioning block correspond to the size and the center distance of the bottom hole 12 and the oil drain hole 13 of the steering nut 1; a bottom hole positioning groove 23 and an oil drain hole positioning groove 24 are fixedly formed in the upper bottom hole of the base, the center distance between the bottom hole positioning groove and the oil drain hole positioning groove corresponds to the center distance between the bottom hole of the steering nut and the oil drain hole, the aperture is smaller than the diameters of the bottom hole positioning block and the oil drain hole positioning block, the center point connecting line of the bottom hole positioning groove and the oil drain hole positioning groove is in the same plane with the center line of the plugboard along the drawing and inserting direction, and the plane is orthogonal with the upper surface of the base; a bottom hole insert 25 which is coaxial with the bottom hole positioning block and is integrally formed is arranged below the bottom hole positioning block, the size and the shape of the bottom hole insert are matched with those of the bottom hole positioning groove, an oil drain hole insert 26 which is coaxial with the bottom hole positioning block and is integrally formed is arranged below the oil drain hole positioning block, and the size and the shape of the oil drain hole insert are matched with those of the oil drain hole positioning groove; the bottom hole positioning block and the oil drain hole positioning block are inserted into the bottom hole positioning groove and the oil drain hole positioning groove of the base through the bottom hole inserting block and the oil drain hole inserting block below, so that the connecting line of the central points of the bottom hole positioning block and the oil drain hole positioning block is in the same plane with the central line of the inserting plate along the drawing and inserting direction, and the plane is orthogonal with the upper surface of the base, and the mode is convenient for assembly; in addition, in other embodiments, the bottom hole positioning block and the drain hole positioning block may be fixed to the base by screws, so that a plane where a line connecting a central point of the bottom hole positioning block and the drain hole positioning block and a central line of the insert plate along the insertion direction is orthogonal to the upper surface of the base. The detection block is provided with a rib groove on one side, the size and shape of the rib groove are matched with those of the steering nut rib 11, the other side of the detection block is provided with symmetrical detection grooves along the center line of the rib groove, and the size and shape of the detection grooves are matched with those of the inserting plate.
Because the current processing technology can completely meet the processing precision requirements of parameters such as the symmetry degree of the two rib surfaces 111 of the steering nut relative to the external circle axis vertical to the tooth surface 14, the concentricity of the bottom hole and the external circle 15 vertical to the tooth surface, the center distance between the bottom hole and the oil drain hole and the like, the detection reference of the symmetry degree of the oil drain hole can be transferred to the two rib surfaces of the steering nut. In the use, insert the bottom hole and the drain hole of steering nut in bottom hole locating piece and the drain hole location is fast, with the rib groove card of detecting the piece on steering nut rib, the left hand is fixed and is detected the piece, and the picture peg is moved to the right hand, if can insert the picture peg in the inspection inslot smoothly, then prove that the drain hole symmetry is qualified, if can not insert in the inspection inslot, prove that the drain hole symmetry is out of tolerance.
Claims (4)
1. The symmetry detection tool for the oil drain hole of the steering nut is characterized by comprising a detection table and a detection block; the detection platform comprises a base, a fixing seat is arranged on one side of the base, a plug board hole is formed in the fixing seat, a plug board capable of being pulled out and plugged is arranged in the plug board hole, and the plug board is parallel to the upper surface of the base; a drain hole positioning block is arranged on one side of the fixed seat on the base, and a bottom hole positioning block is arranged on the other side of the drain hole positioning block; the bottom hole positioning block is connected with the central point of the oil drain hole positioning block, is positioned on the same plane with the central line of the plugboard along the drawing and inserting direction, and is orthogonal with the upper surface of the base; and one side of the detection block is provided with a rib groove, the other side of the detection block is provided with detection grooves symmetrical along the central line of the rib groove, and the size and the shape of the detection grooves are matched with those of the plugboard.
2. The steering nut drain hole symmetry detection tool according to claim 1, wherein a bottom hole positioning groove and a drain hole positioning groove are formed in positions corresponding to the bottom hole positioning block and the drain hole positioning block on the base.
3. The steering nut drain hole symmetry detection tool according to claim 2, wherein a bottom hole insert block which is coaxial with the bottom hole positioning block and is integrally formed is arranged below the bottom hole positioning block, and the size and the shape of the bottom hole insert block are matched with those of the bottom hole positioning groove; and an oil drain hole insert block which is coaxial with the oil drain hole positioning block and is integrally formed is arranged below the oil drain hole positioning block, and the size and the shape of the oil drain hole insert block are matched with those of the oil drain hole positioning groove.
4. The steering nut drain hole symmetry detection tool according to claim 1, wherein the detection hole is a square hole or a round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223114589.7U CN218916193U (en) | 2022-11-23 | 2022-11-23 | Symmetry detection tool for drain hole of steering nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223114589.7U CN218916193U (en) | 2022-11-23 | 2022-11-23 | Symmetry detection tool for drain hole of steering nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218916193U true CN218916193U (en) | 2023-04-25 |
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ID=86050479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223114589.7U Active CN218916193U (en) | 2022-11-23 | 2022-11-23 | Symmetry detection tool for drain hole of steering nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218916193U (en) |
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2022
- 2022-11-23 CN CN202223114589.7U patent/CN218916193U/en active Active
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