CN218591728U - Vehicle electric power steering gear bearing frame riveting tool - Google Patents
Vehicle electric power steering gear bearing frame riveting tool Download PDFInfo
- Publication number
- CN218591728U CN218591728U CN202223163229.6U CN202223163229U CN218591728U CN 218591728 U CN218591728 U CN 218591728U CN 202223163229 U CN202223163229 U CN 202223163229U CN 218591728 U CN218591728 U CN 218591728U
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- riveting
- bearing seat
- positioning
- bearing
- rod
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Abstract
The utility model discloses a mouthful frock is riveted to vehicle electric power steering ware bearing frame, including being used for carrying out the positioning bottom plate of fixing a position to the bearing frame, set up on positioning bottom plate and be used for carrying out the spacing locating pin of circumference to the bearing frame, be used for the positioning guide cover of suit on bearing screw clamp plate, mobilizable set up on the positioning guide cover and be used for applying the riveting die rod that makes its produce the effort of extrusion deformation and set up the riveting rod on riveting the die rod to the bearing frame, set up the guiding hole that lets rivet the die rod and pass on the positioning guide cover, bearing screw clamp plate sets up on the bearing frame. The utility model discloses a vehicle electric power steering ware bearing frame riveting frock can ensure to rivet bearing frame and bearing thread clamp plate together, and frock simple structure, the preparation is convenient, and is with low costs, and the riveting mouth on the bearing frame is put accurately, and work efficiency is high, operation safety.
Description
Technical Field
The utility model belongs to the technical field of vehicle steering system production facility, specifically speaking, the utility model relates to an electronic power steering ware bearing frame riveting frock of vehicle.
Background
In the prior art, a bearing seat structure of an electric power steering gear of a vehicle needs to position axial displacement of a rolling bearing through a bearing thread pressing plate, and the bearing thread pressing plate is in threaded connection with a bearing seat. In the steering gear working process, the rolling bearing can bear large axial force, the axial force can be transmitted to the bearing thread pressing plate, the bearing thread pressing plate is connected to the bearing seat through threads, and the bearing thread pressing plate can cause the bearing thread pressing plate to lose efficacy after being acted by the axial force. Therefore, the structure of the bearing seat needs to be optimized, the bearing seat can be riveted with the bearing thread pressing plate together, and the bearing thread pressing plate is prevented from loosening. The prior art lacks a device for riveting the bearing housing and bearing clamp together.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric power steering gear bearing frame riveting mouthful frock of vehicle, the purpose ensures to rivet bearing frame and bearing thread clamp plate together.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the riveting tool for the bearing seat of the electric power steering gear of the vehicle comprises a positioning bottom plate, a positioning pin, a positioning guide sleeve, a riveting punch and a riveting rod, wherein the positioning bottom plate is used for positioning the bearing seat, the positioning pin is arranged on the positioning bottom plate and used for circumferentially limiting the bearing seat, the positioning guide sleeve is used for being sleeved on a bearing thread pressing plate, the riveting punch is movably arranged on the positioning guide sleeve and used for applying acting force to the bearing seat to enable the bearing seat to generate extrusion deformation, the riveting rod is arranged on the riveting punch, a guide hole for the riveting punch to penetrate is formed in the positioning guide sleeve, and the bearing thread pressing plate is arranged on the bearing seat.
The positioning guide sleeve is characterized in that the guide holes are arranged in a plurality of and all the guide holes are uniformly distributed on the positioning guide sleeve along the circumferential direction, and the riveting punch is arranged in each guide hole.
Six riveting punch rods are arranged.
The center hole that the center department of location uide bushing set up is regular hexagon hole, bearing screw thread clamp plate inserts in the center hole of location uide bushing.
The locating pin sets up two.
The positioning bottom plate is provided with a first handle and a second handle, the first handle and the second handle are arranged at two opposite ends of the positioning bottom plate in the length direction, and the bearing seat is positioned between the first handle and the second handle.
The riveting punch rod is made of GCr15.
The riveting rod is located above the positioning guide sleeve, and the outer diameter of the riveting rod is larger than the diameter of the guide hole.
The utility model discloses a vehicle electric power steering ware bearing frame riveting frock can ensure to rivet bearing frame and bearing thread clamp plate together, and frock simple structure, the preparation is convenient, and is with low costs, and the riveting mouth on the bearing frame is put accurately, and work efficiency is high, operation safety.
Drawings
The present specification includes the following figures, which show the contents:
FIG. 1 is a schematic structural view of a riveting tool for a bearing seat of an electric power steering gear of a vehicle according to the present invention;
FIG. 2 is an exploded view of the riveting tool for the bearing seat of the electric power steering gear of the vehicle of the present invention;
FIG. 3 is a front view of the riveting tool for the bearing seat of the electric power steering gear of the vehicle of the present invention;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is an enlarged partial view at C of FIG. 5;
labeled in the figure as:
1. positioning a bottom plate; 2. a first positioning pin; 3. a second positioning pin; 4. a first handle; 5. a second handle; 6. a bearing seat; 7. a first rolling bearing; 8. a second rolling bearing; 9. a bearing thread pressing plate; 10. positioning a guide sleeve; 11. a first riveting punch; 12. a second riveting punch; 13. a third riveting punch; 14. a first rivet bar; 15. a second rivet rod; 16. a third riveting rod; 17. a fourth riveting rod; 18. a fifth riveting rod; 19. a sixth riveting rod; 20. a fourth riveting punch; 21. fifthly, riveting a punch; 22. a sixth riveting punch; 23. riveting the tip of the punch.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second", "third", "fourth", "fifth" and "sixth" do not represent absolute differences in structure and/or function, nor represent a sequential order of execution, but merely for convenience of description.
As shown in fig. 1 to 6, the utility model provides an electronic power steering gear bearing frame riveting frock of vehicle, including being used for carrying out the positioning bottom plate 1 of fixing a position to bearing frame 6, set up on positioning bottom plate 1 and be used for carrying out the spacing locating pin of circumference to bearing frame 6, a positioning guide sleeve 10 for the suit on bearing screw clamp plate 9, mobilizable setting is in positioning guide sleeve 1, go up and be used for exerting the riveting ram 11 that makes its produce the effort of extrusion deformation and set up the riveting ram 14 on riveting ram 11 to bearing frame 6, set up the guiding hole that lets riveting ram 11 pass on the positioning guide sleeve 10, bearing screw clamp plate 9 sets up on bearing frame 6, bearing screw clamp plate 9 is at the oral area position and the 6 threaded connection of bearing frame 6, the oral area position of bearing frame 6 sets up the internal thread, be provided with first antifriction bearing 7 and second antifriction bearing 8 in the centre bore of bearing frame 6. The riveting rod 14 and the riveting punch rod 11 are in interference fit, the tip of the riveting punch rod 11 is extruded and deformed at the opening of the bearing seat 6 by applying a knocking force or pressure on the end surface of the riveting rod 14, so that the thread at the opening of the bearing seat 6 is riveted with the thread on the bearing thread pressing plate 9, and the bearing seat 6 plays a role in preventing looseness of the bearing thread pressing plate 9.
Specifically, as shown in fig. 1, 2 and 6, the positioning bottom plate 1 is rectangular, a counter bore which is in clearance fit with the bearing seat 6 is formed in the left side, a through hole is formed in the center of the counter bore, two positioning pins are arranged, the two positioning pins are respectively a first positioning pin 2 and a second positioning pin 3, through holes which correspond to the mounting holes of the bearing seat 6 in position and are in interference fit with the first positioning pin 2 and the second positioning pin 3 are formed in the two sides of the counter bore, and a counter bore for assembling the bearing component is formed in the right side. The positioning bottom plate 1 is provided with two positioning holes for positioning and countersunk holes for mounting two inner hexagonal bolts, and the purpose is to realize rapid die change and the function of the center of the positioning tool. A first handle 4 and a second handle 5 are arranged on the positioning bottom plate 1, the first handle 4 and the second handle 5 are arranged at two opposite ends of the positioning bottom plate 1 in the length direction, and a bearing seat 6 is arranged between the first handle 4 and the second handle 5. The end parts of the left side and the right side of the positioning bottom plate 1 are respectively provided with two counter bores for installing the hexagon socket head cap screws with the same size, and the first handle 4 and the second handle 5 are conveniently fastened on the positioning bottom plate 1 through the hexagon socket head cap screws, so that the tool is convenient to carry and take.
The first positioning pin 2 and the second positioning pin 3 are shaft parts with the same structure and size. Bearing frame 6 is the horizontality and places on positioning bottom plate 1, first locating pin 2, second locating pin 3 is vertical setting, first locating pin 2, the lower extreme diameter of axle of second locating pin 3 is less than the upper end diameter of axle, first locating pin 2, the lower extreme diameter of axle of second locating pin 3 and two through-hole interference fit that set up on positioning bottom plate 1, first locating pin 2, the upper end diameter of axle of second locating pin 3 and two mounting holes that set up on bearing frame 6 are clearance fit respectively, first locating pin 2, second locating pin 3 inserts in two through-holes that set up on positioning bottom plate 1 after passing two mounting holes on bearing frame 6 respectively, through first locating pin 2, second locating pin 3 carries out circumference spacing to bearing frame 6, bearing frame 6 can not take place the rotation when screwing up bearing thread clamp plate 9.
As shown in fig. 1 to 6, the positioning guide sleeve 10 is a hollow part with an inner hexagonal shape, a central hole formed in the center of the positioning guide sleeve 10 is a regular hexagonal hole, the bearing thread pressing plate 9 is inserted into the central hole of the positioning guide sleeve 10, and the central hole of the positioning guide sleeve 10 is in clearance fit with a part of the upper end of the bearing thread pressing plate 9, which is in the shape of a regular hexagon. The positioning guide sleeve 10 is located above the top surface of the bearing seat 6, the positioning guide sleeve 10 and the bearing seat 6 are coaxially arranged, six guide holes are formed in the positioning guide sleeve 10, all the guide holes are uniformly distributed on the positioning guide sleeve along the circumferential direction, a riveting punch is arranged in each guide hole, the riveting punch is vertically arranged, and the riveting punch is six in number. The six riveting punch rods are respectively a first riveting punch rod 11, a second riveting punch rod 12, a third riveting punch rod 13, a fourth riveting punch rod 20, a fifth riveting punch rod 21 and a sixth riveting punch rod 22, the first riveting punch rod 11, the second riveting punch rod 12, the third riveting punch rod 13, the fourth riveting punch rod 20, the fifth riveting punch rod 21 and the sixth riveting punch rod 22 are respectively inserted into one guide hole, and are in clearance fit with the guide holes. The first riveting punch 11, the second riveting punch 12, the third riveting punch 13, the fourth riveting punch 20, the fifth riveting punch 21 and the sixth riveting punch 22 are cylindrical parts with the same structure and size, and the first riveting punch 11, the second riveting punch 12, the third riveting punch 13, the fourth riveting punch 20, the fifth riveting punch 21 and the sixth riveting punch 22 are made of GCr15 materials and have high hardness. One end of each of the first riveting punch 11, the second riveting punch 12, the third riveting punch 13, the fourth riveting punch 20, the fifth riveting punch 21 and the sixth riveting punch 22 is a tip, the other end of each of the first riveting punch 11, the second riveting punch 12, the third riveting punch 13, the fourth riveting punch 20, the fifth riveting punch 21 and the sixth riveting punch 22 is provided with a riveting punch 14, the tip of the head of each of the first riveting punch 11, the second riveting punch 12, the third riveting punch 13, the fourth riveting punch 20, the fifth riveting punch 21 and the sixth riveting punch 22 is a small arc with a small diameter, and the tip of the head of each of the first riveting punch 11, the second riveting punch 12, the third riveting punch 13, the fourth riveting punch 20, the fifth riveting punch 21 and the sixth riveting punch 22 is in contact with the top surface of the bearing seat 6 in an initial state. The tip 23 of each riveting punch is extruded and deformed at the opening part of the bearing seat 6 by applying a knocking force or pressure on the end surface of the riveting rod 14, so that the thread at the opening part of the bearing seat 6 is riveted with the thread on the bearing thread pressing plate 9, and the function of preventing looseness is achieved.
As shown in fig. 1 to 6, six rivet rods are provided, the six rivet rods are respectively a first rivet rod 14, a second rivet rod 15, a third rivet rod 16, a fourth rivet rod 17, a fifth rivet rod 18 and a sixth rivet rod 19, and the first rivet rod 14, the second rivet rod 15, the third rivet rod 16, the fourth rivet rod 17, the fifth rivet rod 18 and the sixth rivet rod 19 are hollow mandrel components with the same structure and size. The lower end of the riveting rod is provided with counter bores which are in interference fit with the first riveting punch rod 11, the second riveting punch rod 12, the third riveting punch rod 13, the fourth riveting punch rod 20, the fifth riveting punch rod 21 and the sixth riveting punch rod 22, the first riveting punch rod 14 is installed on the first riveting punch rod 11, the second riveting punch rod 15 is installed on the second riveting punch rod 12, the third riveting punch rod 16 is installed on the third riveting punch rod 13, the fourth riveting punch rod 17 is installed on the fourth riveting punch rod 20, the fifth riveting punch rod 18 is installed on the fifth riveting punch rod 21, and the sixth riveting punch rod 19 is installed on the sixth riveting punch rod 22. The outer diameters of the first riveting rod 14, the second riveting rod 15, the third riveting rod 16, the fourth riveting rod 17, the fifth riveting rod 18 and the sixth riveting rod 19 are larger than the diameter of a guide hole formed in the positioning guide sleeve 10, the riveting punch rod can be axially limited, the riveting punch rod is a quick-wear part, and the riveting punch rod can be taken out of the guide hole for replacement.
The use method of the riveting tool for the bearing seat of the vehicle electric power steering gear with the structure comprises the following steps:
1. the bearing taking seat 6 is positioned on the counter bore of the positioning bottom plate 1, the first positioning pin 2 and the second positioning pin 3;
2. respectively installing a first rolling bearing 7 and a second rolling bearing 8 into a central hole of a bearing seat 6;
3. taking a bearing thread pressing plate 9 to screw into an internal thread hole on a bearing seat 6, and screwing a specified required torque of the bearing thread pressing plate 9 by using a torque wrench;
4. positioning a positioning guide sleeve 10 and six riveting rod assemblies on a hexagon on a bearing threaded pressing plate 9, wherein the lower end face of the positioning guide sleeve 10 is attached to the upper end face of a bearing pedestal 6;
5. forcibly knocking the end surfaces of the riveting rods or simultaneously pressing the end surfaces of the six riveting rods downwards on a press machine to enable the tip ends 23 of the riveting punch rods to be extruded and deformed at the threaded hole parts of the bearing seats 6, so that threads at the opening parts of the bearing seats 6 are riveted with the threads on the bearing threaded pressing plates 9, the purpose of preventing the bearing threaded pressing plates 9 from loosening is achieved, and a bearing seat assembly is formed;
6. after the riveting is finished, the riveting tool is taken down at first, and then the bearing seat assembly is taken down.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. As long as the method conception and the technical scheme of the utility model are adopted for various insubstantial improvements; or without improvement, the above conception and technical scheme of the utility model can be directly applied to other occasions, all within the protection scope of the utility model.
Claims (8)
1. Electronic power assisted steering ware bearing riveting mouthful frock of vehicle, its characterized in that: the riveting device comprises a positioning bottom plate used for positioning a bearing seat, a positioning pin which is arranged on the positioning bottom plate and used for circumferentially limiting the bearing seat, a positioning guide sleeve sleeved on a bearing thread pressing plate, a riveting punch which is movably arranged on the positioning guide sleeve and used for applying an acting force for enabling the bearing seat to generate extrusion deformation to the bearing seat, and a riveting rod arranged on the riveting punch, wherein a guide hole for allowing the riveting punch to pass is formed in the positioning guide sleeve, and the bearing thread pressing plate is arranged on the bearing seat.
2. The vehicle electric power steering gear bearing seat riveting tooling as set forth in claim 1, characterized in that: the positioning guide sleeve is characterized in that the guide holes are arranged in a plurality of and all the guide holes are uniformly distributed on the positioning guide sleeve along the circumferential direction, and the riveting punch is arranged in each guide hole.
3. The vehicle electric power steering gear bearing seat riveting tooling according to claim 2, characterized in that: six riveting punch rods are arranged.
4. The vehicle electric power steering gear bearing seat riveting tool according to any one of claims 1 to 3, characterized in that: the center hole that the center department of location uide bushing set up is regular hexagon hole, bearing screw thread clamp plate inserts in the center hole of location uide bushing.
5. The vehicle electric power steering gear bearing seat riveting tool according to any one of claims 1 to 3, characterized in that: the locating pin sets up two.
6. The vehicle electric power steering gear bearing seat riveting tool according to any one of claims 1 to 3, characterized in that: the positioning bottom plate is provided with a first handle and a second handle, the first handle and the second handle are arranged at two opposite ends of the positioning bottom plate in the length direction, and the bearing seat is positioned between the first handle and the second handle.
7. The vehicle electric power steering gear bearing seat riveting tool according to any one of claims 1 to 3, characterized in that: the riveting punch rod is made of GCr15.
8. The vehicle electric power steering gear bearing seat riveting tool according to any one of claims 1 to 3, characterized in that: the riveting rod is located above the positioning guide sleeve, and the outer diameter of the riveting rod is larger than the diameter of the guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223163229.6U CN218591728U (en) | 2022-11-28 | 2022-11-28 | Vehicle electric power steering gear bearing frame riveting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223163229.6U CN218591728U (en) | 2022-11-28 | 2022-11-28 | Vehicle electric power steering gear bearing frame riveting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218591728U true CN218591728U (en) | 2023-03-10 |
Family
ID=85408598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223163229.6U Active CN218591728U (en) | 2022-11-28 | 2022-11-28 | Vehicle electric power steering gear bearing frame riveting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218591728U (en) |
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2022
- 2022-11-28 CN CN202223163229.6U patent/CN218591728U/en active Active
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