CN211107675U - Steering plumbing arm - Google Patents
Steering plumbing arm Download PDFInfo
- Publication number
- CN211107675U CN211107675U CN201921093930.0U CN201921093930U CN211107675U CN 211107675 U CN211107675 U CN 211107675U CN 201921093930 U CN201921093930 U CN 201921093930U CN 211107675 U CN211107675 U CN 211107675U
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- Prior art keywords
- hole
- adjusting bolt
- adjusting
- block
- connecting sleeve
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Abstract
The utility model discloses a steering plumbing arm, which has the technical proposal that the steering plumbing arm comprises an arm body; the first connecting end is integrally formed with the arm body; a connection hole formed on the first connection terminal; the connecting sleeve is embedded in the connecting hole, and a spline groove is formed on the inner wall of the connecting sleeve; the limiting mechanism is arranged between the connecting hole and the connecting sleeve and is used for limiting the axial rotation of the connecting hole and the connecting sleeve; a notch formed on the connecting sleeve and arranged along the axial direction of the connecting sleeve; and an adjustment mechanism for adjust the width of breach, the utility model discloses have mobilizable connection structure, can change the spline structure of easy wearing and tearing to the live time of the arm that hangs down of turning to has been prolonged.
Description
Technical Field
The utility model relates to a turn to the technical field of the arm that hangs down, more specifically says that it relates to a turn to the arm that hangs down.
Background
The steering vertical arm is also called a steering rocker arm, is a connecting piece applied to a vehicle steering mechanism, and consists of an arm body, a large head and a small head round hole or a taper hole, and is a vertical arm bearing bending moment when the steering rocker arm is connected with an output shaft of a steering gear and a connecting rod ball pin of the steering mechanism, and the load between the output shaft and the steering mechanism needs to be transferred.
Chinese patent publication No. CN201395169Y discloses a steering rocker arm for a wheeled tractor, which comprises an arm body, wherein both ends of the arm body are respectively provided with a large-head spline conical hole and a small-head conical hole, and the conicity of the large-head spline conical hole and the small-head conical hole is 1: 16; the axle holes of the big-end spline conical hole and the small-end conical hole (3) are parallel, and a spline groove is processed in the conical hole for connection.
Among this prior art, in order to increase the stability of being connected between the shaft hole of arm body link and input shaft, the output shaft, rotate through the mode that adopts the key-type connection and connect, through set up the spline groove in the middle of the shaft hole, set up the spline on the connecting axle, the spline is mutually supported with the spline groove and is carried out the transmission. However, after long-term use, the spline grooves in the shaft hole are easily worn, so that the gap between the spline grooves and the splines is increased, the spline grooves are easily loosened during connection, and the safety and reliability are poor.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the not enough of prior art existence, the utility model provides a turn to arm that hangs down has mobilizable connection structure, can change the spline structure of easy wearing and tearing to the live time of turning to the arm that hangs down has been prolonged.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a steering drop arm comprising: an arm body; the first connecting end is integrally formed with the arm body; a connection hole formed on the first connection terminal; the connecting sleeve is embedded in the connecting hole, and a spline groove is formed on the inner wall of the connecting sleeve; the limiting mechanism is arranged between the connecting hole and the connecting sleeve and is used for limiting the axial rotation of the connecting hole and the connecting sleeve; a notch formed on the connecting sleeve and arranged along the axial direction of the connecting sleeve; and the adjusting mechanism is used for adjusting the width of the notch.
By adopting the technical scheme, the connecting sleeve and the connecting hole are of a detachable structure, the spline groove is formed in the inner wall of the connecting sleeve and is used for being connected with an output shaft of an automobile steering system, when the spline groove is abraded, the connecting sleeve can be integrally replaced, the abrasion of the spline groove caused by long-time use is avoided, the axial rotation of the connecting hole and the connecting sleeve is limited through the limiting mechanism, and the torque transmission stability of connection between the connecting hole and the connecting sleeve is improved; set up the breach on the adapter sleeve to adjust the width of breach through adjustment mechanism, can expand the external diameter of adapter sleeve through the expansion to the breach, thereby can produce bigger extrusion with the inner wall of adapter sleeve and connecting hole, increase the stability that the connecting hole is connected.
The utility model discloses further set up to: the stop gear includes: the plurality of flat key grooves are uniformly formed on the inner wall of the connecting hole; and the connecting keys are connected on the outer wall of the connecting sleeve and connected with the flat key groove keys.
Through adopting above-mentioned technical scheme, the mode that adopts the key-type connection is connected connecting hole and adapter sleeve, evenly distributed's flat keyway, connection key can restrict the rotation of flat keyway, connection key to set up the bottom surface in the one end of connecting hole, make the terminal surface of adapter sleeve can support each other with the bottom surface of connecting hole and press during the installation, carry out axial displacement's spacing, increase the stability that both are connected.
The utility model discloses further set up to: the adjusting mechanism is an adjusting bolt.
Through adopting above-mentioned technical scheme, adopt adjusting bolt to adjust the width of breach, adjusting bolt can convert axial torque into axial removal, can transmit great power, the adjustment mechanism's of being convenient for locking.
The utility model discloses further set up to: the adapter sleeve is corresponding to the position difference fixedly connected with regulating block one and regulating block two of breach both sides, be equipped with the adjustment tank that is used for holding regulating block one and regulating block two on the inner wall of connecting hole, be equipped with the screw that switches on with the adjustment tank one on the regulating block two, be equipped with the via hole that is used for screw one to switch on the link one, the via hole is coaxial with screw one, be equipped with the internal thread with the adjusting bolt adaptation on the inner wall of screw one, adjusting bolt and via hole threaded connection, adjusting bolt one end is passed via hole, screw and is supported in the lump with regulating block one and press.
Through adopting above-mentioned technical scheme, adjusting bolt passes the via hole, with a screw threaded connection, and support and press on regulating block one, through with adjusting bolt to regulating block one direction rotating, can make adjusting bolt support and press on regulating block one, push away regulating block one, expand the width of breach, make regulating block one, regulating block two compresses tightly the great stiction that produces with the inner wall of adjustment tank each other respectively, thereby it is fixed to carry out the installation of adapter sleeve, and adjusting bolt can link together link one and adapter sleeve, thereby be connected adapter sleeve and link one.
The utility model discloses further set up to: one side of the first adjusting block, which is close to the notch, is provided with a limiting groove matched with the adjusting bolt, and the adjusting bolt is pressed at the bottom of the limiting groove.
Through adopting above-mentioned technical scheme, set up adjusting bolt on regulating block one, the spacing groove can be spacing to carrying on of adjusting bolt, can make adjusting bolt can be restricted in the region of spacing groove, prevents to appear shaking in the accommodation process.
The utility model discloses further set up to: and an anti-slip gasket is arranged between the end part of the adjusting bolt and the limiting groove.
Through adopting above-mentioned technical scheme, through set up anti-skidding gasket between adjusting bolt and spacing groove, this anti-skidding gasket can adopt the rubber pad, can increase the friction between adjusting bolt and the spacing groove bottom, produces when preventing to support and skids.
The utility model discloses further set up to: the adjusting bolt is characterized in that a bolt head is arranged at one end, away from the adjusting block I, of the adjusting bolt, and a counter bore used for containing the bolt head is arranged at one end, away from the adjusting groove, of the through hole.
Through adopting above-mentioned technical scheme, can hold the bolt head in the middle of the link one through setting up the counter bore for adjusting bolt can not expose externally.
The utility model discloses further set up to: the adjusting bolt is characterized in that a through hole which is communicated with the connecting hole and corresponds to the notch position is formed in the first connecting end, a supporting block is fixedly connected to the inside of the through hole, a screw hole II which is coaxial with the through hole is formed in the supporting block, an internal thread which is matched with the adjusting bolt is formed in the second screw hole, the adjusting bolt is in threaded connection with the screw hole II, a first plane is arranged on the connecting sleeve on two sides of the notch, the first plane is of a horn mouth structure towards the direction of the through hole, an adjusting block is rotatably connected to one end, close to the notch, of the adjusting bolt, a second plane which is matched with the first plane is formed in the adjusting block, and the adjusting bolt moves towards the notch direction in the rotating process.
Through adopting above-mentioned technical scheme, all be equipped with plane one on the connecting sleeve of breach both sides, and set up the regulating block in adjusting bolt's one end, set up plane two on the regulating block, through adjusting bolt, adjusting bolt rotates at the inside screw of screw two, promote adjusting bolt to plane one direction, plane two can support plane one to press, continue to adjust to the breach direction, plane two promotes plane one, make the interval grow of two planes one, expand the adapter sleeve, make the adapter sleeve can produce with the connecting hole and support and press, great maximum static friction power has between the two, further fix connecting hole and adapter sleeve through static friction.
The utility model discloses further set up to: the notch is provided with a limiting block, the limiting block is provided with a rotating hole, and one end of the adjusting bolt close to the adjusting block is provided with the limiting block which is rotatably connected to the inner part of the rotating hole.
Through adopting above-mentioned technical scheme, adjusting bolt's one end is inserted in the middle of the rotatory hole to connect to be equipped with the dog on the rotatory downthehole wall, this dog can block the stopper, pull out in the middle of the stopper can't follow the rotation cover, prevent that both from producing and breaking away from.
To sum up, the utility model discloses following beneficial effect has: offer the breach on the adapter sleeve to adjust the width of breach through adjustment mechanism, can expand the external diameter of adapter sleeve through the expansion to the breach, thereby can produce bigger extrusion with the inner wall of adapter sleeve and connecting hole, increase the stability that the connecting hole is connected, have mobilizable connection structure, can change the spline structure of easy wearing and tearing, thereby prolonged the live time of the arm that hangs down that turns to.
Drawings
FIG. 1 is a first schematic structural diagram of the present embodiment;
FIG. 2 is a second schematic structural diagram of the present embodiment;
FIG. 3 is a schematic partial structure diagram of the first embodiment;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic partial structure diagram of the second embodiment;
fig. 6 is an enlarged view of fig. 5 at B.
Reference numerals: 1. an arm body; 2. a first connecting end; 3. a second connecting end; 4. connecting holes; 5. connecting sleeves; 6. A flat key groove; 7. a connecting bond; 8. a spline groove; 9. an adjustment groove; 10. a first adjusting block; 11. a second adjusting block; 12. A first screw hole; 13. a limiting groove; 14. a via hole; 15. adjusting the bolt; 16. a counter bore; 17. a bolt head; 18. A notch; 19. a first plane; 20. a second plane; 21. an adjusting block; 22. a through hole; 23. a support block; 24. rotating the sleeve; 25. a limiting block; 26. and a second screw hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
a steering plumbing arm, as shown in figures 1-2 and 3-4, comprises an arm body 1, a proper metal raw material is selected according to the requirements of the steering plumbing arm, the metal raw material is forged into a proper size and shape, a first connecting end 2 and a second connecting end 3 are respectively formed at two ends of the arm body 1, connecting holes 4 are respectively formed in the first connecting end 2 and the second connecting end 3 through drilling, the connecting holes 4 are connected with an output end of an automobile steering system during assembly, the hole diameter of the connecting holes 4 is processed into a hole diameter larger than that of the output end during processing, and three flat key grooves 6 are uniformly formed in the inner wall of the connecting holes 4. The connecting sleeve 5 is of an annular structure, spline grooves 8 are formed in the inner wall of the connecting sleeve 5 in a processing mode, connecting keys 7 are integrally formed on the outer wall of the connecting sleeve 5, the number of the connecting keys 7 is equal to that of the flat key grooves 6 and matched with the connecting keys 7, the connecting sleeve 5 can be inserted into the connecting hole 4 during installation, the connecting keys 7 are inserted into the corresponding flat key grooves 6, axial rotation of the connecting sleeve 5 and the connecting hole 4 is limited, a bottom surface is arranged at the bottom of one end of the connecting hole 4, and when the connecting sleeve 5 rotates into the connecting hole 4, the end surface of the connecting sleeve 5 can be abutted against the end surface of the connecting hole 4.
Processing the connecting sleeve 5, cutting the connecting sleeve 5, forming a gap 18 arranged along the axial direction on the side wall of the connecting sleeve 5, and welding a first adjusting block 10 and a second adjusting block 11 on the connecting sleeve 5 at two sides of the gap 18; drilling the first adjusting block 10 and the second adjusting block 11, forming a first screw hole 12 on the second adjusting block 11, forming a limiting groove 13 in the position, opposite to the first screw hole 12, of the first adjusting block 10, matching the diameters of the first screw hole 12 and the limiting groove 13 with the diameter of the adjusting bolt 15, and tapping in the first screw hole 12 to form an internal thread in threaded fit with the adjusting bolt 15; processing the connecting end I2, forming an adjusting groove 9 on the inner wall of one side of the connecting hole 4 through cutting processing, wherein the thickness of the adjusting groove 9 is larger than the sum of the thicknesses of the adjusting block I10 and the adjusting block II 11, so that the adjusting block I10 and the adjusting block II 11 can be accommodated in the adjusting groove 9, punching is performed on the connecting end I2 to form a through hole 14 with a size slightly larger than the outer diameter of the adjusting bolt 15, the through hole 14 is communicated with the adjusting groove 9 and is coaxial with the screw hole I12, so that the adjusting bolt 15 can penetrate through the adjusting bolt, a counter bore 16 is formed in one end, far away from the adjusting groove 9, of the adjusting bolt 15 through drilling, a bolt head 17 of the adjusting bolt 15 can be accommodated in the counter bore 16, and the bolt head 17 cannot be.
In specific implementation, the connecting sleeve 5 is inserted into the connecting hole 4, so that the connecting key 7 on the connecting sleeve 5 can be matched with the flat key groove 6 for limiting, and the first adjusting block 10 and the second adjusting block 11 on the connecting sleeve 5 are placed in the adjusting groove 9, one end of an adjusting bolt 15 is inserted into the through hole 14, and the adjusting bolt 15 is in threaded connection with the first screw hole 12, so that one end of the adjusting bolt 15 enters the limiting groove 13, the rubber anti-skid gasket on the end surface of the adjusting bolt 15 can be pressed against the bottom surface of the limiting groove 13, the adjusting bolt 15 is continuously rotated, the first adjusting block 10 and the second adjusting block 11 are mutually propped, the gap 18 is expanded, the size of the connecting sleeve 5 can be increased, the connecting sleeve 5 can generate larger friction force with the inner wall of the connecting hole 4, fixing the connecting sleeve 5, and connecting the arm body 1 with a spline on the output end of the automobile steering system; when the spline grooves 8 in the connecting sleeve 5 are worn, the connecting sleeve 5 can be replaced by loosening the adjusting bolts 15.
Example two:
a steering plumbing arm, as shown in figures 1-2, 5-6, comprises an arm body 1, a proper metal raw material is selected according to the requirements of the steering plumbing arm, the metal raw material is forged into a proper size and shape, a first connecting end 2 and a second connecting end 3 are respectively formed at two ends of the arm body 1, connecting holes 4 are respectively formed in the first connecting end 2 and the second connecting end 3 through drilling, the connecting holes 4 are connected with an output end of an automobile steering system during assembly, the hole diameter of the connecting holes 4 is larger than that of the output end during machining, and three flat key grooves 6 are uniformly formed in the inner wall of the connecting holes 4. The connecting sleeve 5 is of an annular structure, spline grooves 8 are formed in the inner wall of the connecting sleeve 5 in a processing mode, connecting keys 7 are integrally formed on the outer wall of the connecting sleeve 5, the number of the connecting keys 7 is equal to that of the flat key grooves 6 and matched with the connecting keys 7, the connecting sleeve 5 can be inserted into the connecting hole 4 during installation, the connecting keys 7 are inserted into the corresponding flat key grooves 6, axial rotation of the connecting sleeve 5 and the connecting hole 4 is limited, a bottom surface is arranged at the bottom of one end of the connecting hole 4, and when the connecting sleeve 5 rotates into the connecting hole 4, the end surface of the connecting sleeve 5 can be abutted against the end surface of the connecting hole 4.
Processing the connecting sleeve 5, cutting the connecting sleeve 5, forming a gap 18 arranged along the axial direction on the side wall of the connecting sleeve 5, and processing the connecting sleeve 5 on two sides of the gap 18 to form a first plane 19, wherein the first planes 19 are in a horn mouth structure facing to the direction of the through hole 22; and processing the connecting end I2, processing and forming a through hole 22 which is communicated with the connecting hole 4 and corresponds to the position of the notch 18 on the connecting end I2, fixedly welding and connecting a supporting block 23 in the through hole 22, arranging a screw hole II 26 which is coaxial with the through hole 22 on the supporting block 23, tapping the inner part of the screw hole II 26 to form an internal thread matched with the adjusting bolt 15, and connecting the adjusting bolt 15 with the screw hole II 26 in a threaded manner. There is the regulating block 21 at the one end swivelling joint that regulating bolt 15 is close to breach 18, processing formation rotates cover 24 on regulating block 21, be equipped with rotatory hole on rotating cover 24, the one end that connecting sleeve 5 is close to regulating block 21 is equipped with rotates the stopper 25 of connection in rotatory downthehole portion, the inner wall that rotates cover 24 is equipped with the dog, can make regulating bolt 15 free rotation in the middle of rotating cover 24, and receive the axial displacement that can't carry out by a relatively large margin of blockking, can't be pulled out in the middle of rotating cover 24, processing formation and the plane two 20 of the 19 looks adaptations of plane on the regulating block 21, regulating bolt 15 is to 18 direction rotating in-process of breach, plane two 20 promotes plane one 19 and removes to the breach 18 outside, make the width expansion of breach 18.
During specific implementation, the connecting sleeve 5 is inserted into the connecting hole 4, so that the connecting key 7 on the connecting sleeve 5 can be matched with the flat key groove 6 for limiting, the position of the notch 18 on the connecting sleeve 5 corresponds to that of the through hole 22, the adjusting bolt 15 is screwed, the adjusting bolt 15 is moved towards one side of the connecting sleeve 5, the plane II 20 on the adjusting block 21 at one end of the adjusting bolt 15 is respectively pressed against the plane I19, the adjusting bolt 15 is continuously screwed, the plane II 20 pushes the plane I19 outwards, the notch 18 is expanded, a gear of the connecting sleeve 5 is further expanded, the connecting sleeve 5 is pressed against the inner wall of the connecting hole 4, larger friction force is generated, and the connecting stability of the connecting sleeve 5 and the connecting hole 4 is improved; then connecting the arm body 1 with a spline on the output end of an automobile steering system; when the spline grooves 8 in the connecting sleeve 5 are worn, the connecting sleeve 5 can be replaced by loosening the adjusting bolts 15.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A steering plumbing arm, characterized by: the method comprises the following steps:
an arm body;
the first connecting end is integrally formed with the arm body;
a connection hole formed on the first connection terminal;
the connecting sleeve is embedded in the connecting hole, and a spline groove is formed on the inner wall of the connecting sleeve;
the limiting mechanism is arranged between the connecting hole and the connecting sleeve and is used for limiting the axial rotation of the connecting hole and the connecting sleeve;
a notch formed on the connecting sleeve and arranged along the axial direction of the connecting sleeve; and
and the adjusting mechanism is used for adjusting the width of the notch.
2. The steering drop arm of claim 1, wherein: the stop gear includes:
the plurality of flat key grooves are uniformly formed on the inner wall of the connecting hole; and
and the connecting keys are connected on the outer wall of the connecting sleeve and connected with the flat key groove keys.
3. A steering drop arm as claimed in claim 2, wherein: the adjusting mechanism is an adjusting bolt.
4. A steering hanger arm according to claim 3, wherein: the adapter sleeve is corresponding to the position difference fixedly connected with regulating block one and regulating block two of breach both sides, be equipped with the adjustment tank that is used for holding regulating block one and regulating block two on the inner wall of connecting hole, be equipped with the screw that switches on with the adjustment tank one on the regulating block two, be equipped with the via hole that is used for screw one to switch on the link one, the via hole is coaxial with screw one, be equipped with the internal thread with the adjusting bolt adaptation on the inner wall of screw one, adjusting bolt and via hole threaded connection, adjusting bolt one end is passed via hole, screw and is supported in the lump with regulating block one and press.
5. The steering drop arm of claim 4, wherein: one side of the first adjusting block, which is close to the notch, is provided with a limiting groove matched with the adjusting bolt, and the adjusting bolt is pressed at the bottom of the limiting groove.
6. The steering drop arm of claim 5, wherein: and an anti-slip gasket is arranged between the end part of the adjusting bolt and the limiting groove.
7. The steering drop arm of claim 5, wherein: the adjusting bolt is characterized in that a bolt head is arranged at one end, away from the adjusting block I, of the adjusting bolt, and a counter bore used for containing the bolt head is arranged at one end, away from the adjusting groove, of the through hole.
8. A steering hanger arm according to claim 3, wherein: the adjusting bolt is characterized in that a through hole which is communicated with the connecting hole and corresponds to the notch position is formed in the first connecting end, a supporting block is fixedly connected to the inside of the through hole, a screw hole II which is coaxial with the through hole is formed in the supporting block, an internal thread which is matched with the adjusting bolt is formed in the second screw hole, the adjusting bolt is in threaded connection with the screw hole II, a first plane is arranged on the connecting sleeve on two sides of the notch, the first plane is of a horn mouth structure towards the direction of the through hole, an adjusting block is rotatably connected to one end, close to the notch, of the adjusting bolt, a second plane which is matched with the first plane is formed in the adjusting block, and the adjusting bolt moves towards the notch direction in the rotating process.
9. The steering drop arm of claim 8, wherein: the notch is provided with a limiting block, the limiting block is provided with a rotating hole, and one end of the adjusting bolt close to the adjusting block is provided with the limiting block which is rotatably connected to the inner part of the rotating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093930.0U CN211107675U (en) | 2019-07-13 | 2019-07-13 | Steering plumbing arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093930.0U CN211107675U (en) | 2019-07-13 | 2019-07-13 | Steering plumbing arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211107675U true CN211107675U (en) | 2020-07-28 |
Family
ID=71691143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921093930.0U Expired - Fee Related CN211107675U (en) | 2019-07-13 | 2019-07-13 | Steering plumbing arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211107675U (en) |
-
2019
- 2019-07-13 CN CN201921093930.0U patent/CN211107675U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20210713 |