CN210310548U

CN210310548U - Novel steering rocker arm

Info

Publication number: CN210310548U
Application number: CN201921093939.1U
Authority: CN
Inventors: 李胜龙
Original assignee: Shaoxing Keqiao Dingshen Forging Co Ltd
Current assignee: Shaoxing Keqiao Dingshen Forging Co Ltd
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-04-14
Anticipated expiration: 2029-07-13

Abstract

The utility model discloses a novel steering rocker arm, which has the technical proposal that the key points comprise a rocker, a first connecting end and a second connecting end which are respectively positioned at the two ends of the rocker, the first connecting end is provided with a first shaft hole connected with the output end, the second connecting end is provided with a second shaft hole connected with the steering output shaft, the second shaft hole is in interference fit with the steering output shaft, the second connecting end is provided with an adjusting notch communicated with the second shaft hole, the adjusting gap divides the connecting end II outside the shaft hole II into an adjusting part I at one side and an adjusting part II at the other side, and also comprises an adjusting mechanism for adjusting the width of the adjusting gap, the utility model increases the connecting stability and the strength of the shaft hole II and the steering output shaft by arranging the shaft hole II and the steering output shaft into a structure of interference fit, and the width of the adjusting gap is adjusted by matching with an adjusting mechanism, so that the second shaft hole and the steering output shaft are conveniently assembled.

Description

Novel steering rocker arm

Technical Field

The utility model relates to a turn to the rocking arm, more specifically say that it relates to a novel turn to rocking arm.

Background

The steering rocker arm is used for transmitting the force and motion output by the steering gear to the drag link or the tie rod so as to push the steering wheel to deflect. The automobile steering rocker arm is an important part in an automobile steering system and is a security part and a key part of an automobile product, so that the processing quality of the rocker arm is especially important to ensure. In order to increase the convenience of being connected of steering rocker arm and automobile steering system's output shaft, often process the shaft hole into the size that slightly is big than the diameter of output shaft in the production process, the output shaft can smoothly insert in the middle of the breach shaft hole, through set up a breach on the shaft hole, the existence of this breach makes this shaft hole can produce certain elastic deformation, extrude the regulation through locking mechanism to the breach, reduce the size in the in-process reduction shaft hole of breach, make this shaft hole can with output shaft fixed connection.

However, since the steering rocker arm is formed by forging, the strength is high, and the deformation can be performed only by a large force, so that the process of narrowing the notch is difficult, and the connection between the shaft hole and the output shaft is also difficult to a certain extent.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a novel steering rocker arm can conveniently carry out the erection joint to steering rocker arm, has the effect of good installation convenience and stability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a novel steering rocker arm, includes the rocker and lies in link one and the link two at rocker both ends respectively, be provided with the shaft hole one of being connected with the output on the link one, be equipped with on the link two with turn to output shaft connected shaft hole two, shaft hole two with turn to output shaft interference fit, be equipped with the regulation breach that switches on with shaft hole two on the link two, adjust the breach and separate the link two in the two outsides in shaft hole for the regulation portion one of one side and the regulation portion two of opposite side, still including the adjustment mechanism who is used for adjusting the regulation breach width.

By adopting the technical scheme: the stability of the connection between the second shaft hole and the steering output shaft can be improved by adopting the connection between the second smaller shaft hole and the steering output shaft, and the stability of the second shaft hole and the steering output shaft can be kept without adopting an additional locking mechanism due to the interference fit of the second shaft hole and the steering output shaft, and only an axial rotating structure is required to be arranged between the second shaft hole and the steering output shaft, for example, a key connection structure between the second shaft hole and the steering output shaft; when shaft hole two is not connected with the output shaft that turns to, the aperture of shaft hole two is less, needs to strut the regulation breach through adjustment mechanism, promotes separation between regulation portion one and the regulation portion two, with the back of expanding between the shaft hole two, turns to the output shaft and just can insert and install in the middle of shaft hole two, and adjustment mechanism loosens after the installation is accomplished, and the width that resets of regulation breach can accomplish the locking.

The utility model discloses further set up to: the adjusting mechanism is an adjusting bolt comprising a bolt head, a screw hole communicated with the adjusting notch is formed in the first adjusting part, an internal thread I matched with the adjusting bolt in a threaded mode is arranged on the inner wall of the screw hole, and the adjusting bolt is in threaded connection with the screw hole.

By adopting the technical scheme: the width of the adjusting notch is adjusted by adopting the adjusting bolt, the axial rotating torque can be converted into the axial movement by the screw thread, the screw thread on the bolt has a plurality of rings, a larger supporting area is formed, and the stability in the thread adjusting process can be kept.

The utility model discloses further set up to: one end of the adjusting bolt penetrates through the adjusting bolt to enter the adjusting gap and is pressed against the second adjusting part.

By adopting the technical scheme: the structure that pushes against is adopted, the adjustment of adjusting the notch can be completed in the process that the adjusting bolt is screwed to the second shaft hole, the structure is simple, and the adjustment is convenient.

The utility model discloses further set up to: the adjusting part II is provided with a bolt through hole which is communicated with the adjusting notch and coaxial with the screw hole, the diameter of the bolt through hole is larger than that of the adjusting bolt, one end, away from the adjusting notch, of the bolt through hole is provided with a counter bore used for containing a bolt head, and the inside of the counter bore is used for blocking the limiting mechanism, away from the adjusting notch, of the bolt through hole from the bolt head to the counter bore and moving towards one end of the bolt through hole.

By adopting the technical scheme: the bolt through hole capable of guiding the adjusting bolt is formed in the second adjusting part, so that the stability of the adjusting bolt in the adjusting process can be improved, the bolt head is abutted against the limiting mechanism in the process of screwing the adjusting bolt to the limiting mechanism, the adjusting bolt is continuously adjusted, the first adjusting part and the second adjusting part are separated by the bolt head through the limiting mechanism, the adjusting gap is enlarged, the shaft hole II is enlarged to a certain extent, and the assembly with the steering output shaft can be completed; after the installation is finished, the adjusting part I and the adjusting part II can be locked and fixed through the adjusting bolt, the adjusting notch is continuously extruded, and the strength of connection between the shaft hole II and the steering output shaft is further increased.

The utility model discloses further set up to: the limiting mechanism is a limiting block, and the limiting block is detachably connected inside the counter bore.

By adopting the technical scheme: adopt the detachable stopper, the stopper can be fixed in the inside of counter bore and blockked the bolt head on the one hand, can dismantle again, is convenient for maintain bolt and other structures.

The utility model discloses further set up to: the limiting block is externally provided with a first external thread, the inner wall of the counter bore is provided with a second internal thread matched with the first external thread in a threaded manner, the limiting block is connected in the counter bore in a threaded manner, the bolt head is provided with a through hole, and the diameter of the through hole is smaller than that of the bolt head.

By adopting the technical scheme: the limiting block is installed in a threaded connection mode, the threaded connection structure has good supporting stability and connection strength, load generated when the limiting block is pushed by the bolt head can be borne, and the screwdriver can penetrate through the through hole to screw the bolt head to adjust by arranging the through hole in the bolt head.

The utility model discloses further set up to: the one end that the regulation breach was kept away from to the screw is equipped with the locking hole coaxial with the screw, the inside axial sliding connection in locking hole has locknut, locknut and screw threaded connection, it has locking spring to support to press between the bottom in locking nut and the locking hole.

By adopting the technical scheme: by arranging the anti-loosening spring, the anti-loosening spring can generate certain extrusion force between all threads, so that the friction force between the threads is increased, and the looseness is prevented; meanwhile, the locknut in sliding connection can slide correspondingly in the screw hole adjusting process, and adjustment is facilitated.

The utility model discloses further set up to: the steering output shaft is provided with a plurality of splines, the number of the notches of the spline is one less than that of the notches of the splines, and the width of the spline is equal to that of an adjusting notch formed after the steering output shaft is installed in the second shaft hole.

By adopting the technical scheme: set up the spline groove in the inside of shaft hole two, set up the spline on the steering output shaft, cooperation through spline and spline groove, can guarantee shaft hole two and steering output shaft axial pivoted stability, can transmit axial torque, the notch quantity in spline groove is one less than the notch quantity of spline, prop the shape of the spline groove in the middle of the back shaft hole two with the outer spline mutual adaptation of steering output shaft through adjustment mechanism, can insert the inside of shaft hole two with the steering output shaft, and insert in the middle of the regulation breach with unnecessary a spline, can guarantee that spline and spline groove can love in two apertures in shaft hole and zoom the change and make assembly stability.

To sum up, the utility model has the advantages that: through setting the second shaft hole and the steering output shaft into the interference fit structure, the connection stability and the strength of the second shaft hole and the steering output shaft are increased, the width of the adjusting notch is adjusted by the aid of the adjusting mechanism, and the second shaft hole and the steering output shaft are conveniently assembled.

Drawings

FIG. 1 is a schematic structural view of the present invention, showing the shape and structure of a steering rocker arm;

fig. 2 is a schematic structural view of the present invention, showing the structure of the steering rocker arm connected to the steering output shaft;

fig. 3 is a schematic structural view of a second position of a shaft hole according to an embodiment of the present invention, showing the structure of the adjusting mechanism;

fig. 4 is a schematic structural diagram of a second axial hole according to an embodiment of the present invention, showing the structure of the adjusting mechanism and the limiting mechanism.

Reference numerals: 1. a rocker; 2. a first connecting end; 3. a second connecting end; 4. a first shaft hole; 5. a second shaft hole; 6. adjusting the gap; 7. a spline groove; 8. a steering output shaft; 9. a screw hole; 10. passing a hole through a bolt; 11. adjusting the bolt; 12. a bolt head; 13. a counter bore; 14. a limiting block; 15. a through hole; 16. anti-loosening holes; 17. a locknut; 18. a locking spring; 19. a first adjusting part; 20. and a second adjusting part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the utility model provides a novel steering rocker arm, as shown in fig. 1-3, including rocker 1, select appropriate metal raw materials according to the requirement of steering rocker, forge it into appropriate size and shape, rocker 1's both ends position forms link one 2, link two 3 respectively, link one 2 is equipped with shaft hole one 4, be equipped with shaft hole two 5 on the link two 3, shaft hole one 4 is connected with car a steering system's output, shaft hole two 5 with turn to output shaft 8 and be connected, and the aperture of shaft hole two 5 is less than the external diameter that turns to output shaft 8, when turning to output shaft 8 and inserting shaft hole two 5, both interference fit. An adjusting notch 6 communicated with the second shaft hole 5 is arranged on the second connecting end 3, the adjusting notch 6 can be formed by processing the outer side of the second shaft hole 5 in a cutting mode, and the second connecting end 3 outside the second shaft hole 5 is divided into a first adjusting part 19 on one side and a second adjusting part 20 on the other side by the adjusting notch 6.

In order to increase the connection stability between the steering output shaft 8 and the second shaft hole 5, a spline structure can be arranged between the steering output shaft 8 and the second shaft hole 5 for connection, uniformly distributed spline grooves 7 are processed on the inner wall of the second shaft hole 5, then a spline matched with the second shaft hole 5 is processed on the outer portion of the steering output shaft 8, at the moment, the steering output shaft 8 can be smoothly inserted into the second shaft hole 5, and then, after passing through the cutting tool, cutting the second shaft hole 5 to form an adjusting notch 6 corresponding to the thickness of one key groove, overstocking and knocking the first adjusting part 19 and the second adjusting part 20 on two sides of the adjusting notch 6, and heat treatment is carried out to eliminate the internal stress after bending, so that the width of the adjusting notch 6 is reduced, the width of the key groove is small, so that the shaft hole II 5 is approximately round and forms a structure of interference fit with the steering output shaft 8.

Adjusting mechanism still sets up between adjusting part one 19, the adjusting mechanism can adjust the width of adjusting breach 6, adjusting breach 6 specifically is adjusting bolt 11, adjusting bolt 11 has a bolt head 12, processing forms screw 9 in adjusting part one 19 earlier, the inner wall of screw 9 is equipped with the internal thread one with adjusting bolt 11 screw thread adaptation, adjusting bolt 11's one end stretches into screw 9 and rather than threaded connection, adjusting bolt 11's one end is passed adjusting bolt 11 and is entered into in the middle of adjusting breach 6 to support with adjusting part two 20 and press.

During specific implementation, the shaft hole II 5 and the steering output shaft 8 are assembled, the adjusting bolt 11 is firstly screwed through a tool, the adjusting bolt 11 is screwed towards the adjusting part II 20 to be pressed against the adjusting part II 20, then the adjusting bolt 11 is continuously screwed, so that the adjusting bolt 11 pushes the adjusting part II 20 downwards, the adjusting part I19 and the adjusting part II 20 are separated from each other, the width of the adjusting gap 6 is enlarged, the size of the shaft hole II 5 is increased, and the steering output shaft 8 can be installed in the shaft hole II 5 to be connected. According to the spline structure in the second shaft hole 5 and the steering output shaft 8, the steering output shaft 8 is inserted into the second shaft hole 5, then the adjusting bolt 11 is screwed by a tool to separate the adjusting bolt 11 and the second adjusting part 20, parts on two sides of the adjusting notch 6 are reset again, the second shaft hole 5 with the smaller size compresses and fixes the steering output shaft 8, and the assembly of the second shaft hole 5 and the steering output shaft 8 is completed.

Example two:

the utility model provides a novel steering rocker arm, as shown in fig. 1-2, 4, including rocker 1, select suitable metal raw materials according to the requirement of steering rocker, forge it into suitable size and shape, rocker 1's both ends position forms link one 2 respectively, link two 3, be equipped with shaft hole one 4 on the link one 2, be equipped with shaft hole two 5 on the link two 3, shaft hole one 4 is connected with car a steering system's output, shaft hole two 5 with turn to output shaft 8 and be connected, and the aperture of shaft hole two 5 is less than the external diameter that turns to output shaft 8, when turning to output shaft 8 and inserting shaft hole two 5, both interference fit. An adjusting notch 6 communicated with the second shaft hole 5 is arranged on the second connecting end 3, the adjusting notch 6 can be formed by processing the outer side of the second shaft hole 5 in a cutting mode, and the second connecting end 3 outside the second shaft hole 5 is divided into a first adjusting part 19 on one side and a second adjusting part 20 on the other side by the adjusting notch 6.

In order to increase the connection stability between the steering output shaft 8 and the second shaft hole 5, a spline structure can be arranged between the steering output shaft 8 and the second shaft hole 5 for connection, uniformly distributed key grooves are machined on the inner wall of the second shaft hole 5, then the spline grooves 7 matched with the second shaft hole 5 are machined on the outer portion of the steering output shaft 8, at the moment, the steering output shaft 8 can be smoothly inserted into the second shaft hole 5, then the second shaft hole 5 is cut through a cutting tool, an adjusting notch 6 is formed by cutting corresponding to the thickness of one key groove, a first adjusting portion 19 and a second adjusting portion 20 on two sides of the adjusting notch 6 are pressed and beaten, heat treatment is carried out, the width of the adjusting notch 6 is reduced, and the second shaft hole 5 at the moment is still approximately round and forms an interference fit structure with the steering output shaft 8 due to the small width of the key grooves.

Adjusting part one 19, still set up adjustment mechanism between adjusting part two 20, adjustment mechanism can adjust the width of adjusting breach 6, adjust breach 6 specifically to be adjusting bolt 11, adjusting bolt 11 has a bolt head 12, processing forms screw 9 in adjusting part one 19 earlier, the inner wall of screw 9 is equipped with the internal thread one with adjusting bolt 11 screw adaptation, process screw 9 again, one end processing formation and the coaxial check hole 16 of screw 9 of keeping away from adjusting breach 6 at screw 9, the inside axial sliding connection of check hole 16 has locknut 17, locknut 17 and screw 9 threaded connection, and support and press locking spring 18 between locknut 17 and the bottom of check hole 16.

Processing a bolt through hole 10 which is communicated with the adjusting notch 6 and coaxial with the screw hole 9 on the second adjusting part 20, wherein the diameter of the bolt through hole 10 is larger than that of the adjusting bolt 11, one end, far away from the adjusting notch 6, of the bolt through hole 10 is processed into a counter bore 13 for accommodating the bolt head 12, the inside of the counter bore 13 is used for blocking a limiting mechanism for moving the bolt head 12 towards one end, far away from the adjusting notch 6, of the bolt through hole 10, the limiting mechanism is a limiting block 14, tapping is carried out outside the limiting block 14 to form a first external thread, an internal thread second matched with the first external thread is processed and formed on the inner wall of the counter bore 13, the limiting block 14 is in the counter bore 13 in a threaded mode, a through hole 15 is formed in the bolt head 12 in a drilling mode.

During the specific implementation, the shaft hole II 5 and the steering output shaft 8 are assembled, the adjusting bolt 11 is firstly screwed by a tool, a screwdriver tool penetrates through the through hole 15, the bolt head 12 is screwed, the adjusting bolt 11 is screwed towards the direction of the limiting block 14, the bolt head 12 and the limiting block 14 are mutually abutted, as the threads between the limiting block 14 and the counter bore 13 are opposite to the threads on the adjusting bolt 11, the limiting block 14 cannot move during screwing, the bolt head 12 and the limiting block 14 are mutually pressed, the adjusting bolt 11 is continuously screwed outwards, the threads on the adjusting bolt 11 and the internal threads in the screw hole 9 are mutually extruded at the moment, the adjusting part I19 is pushed to be far away from the adjusting part II 20, the adjusting gap 6 between the adjusting part I and the adjusting part II is enlarged, the size of the shaft hole II 5 is increased, and the assembly is carried out by matching with the spline structure between the shaft hole II 5 and the steering output, after the assembly is finished, the adjusting bolt 11 is screwed, the adjusting bolt 11 is rotated to one side of the adjusting part I19 until the bolt head 12 and the limiting block 14 are separated from each other, and the steering output shaft 8 is pressed and fixed by the shaft hole II 5; and then the adjusting bolt 11 is rotated towards the first adjusting part 19, and the first adjusting part 19 and the second adjusting part 20 are fixed through the adjusting bolt 11, so that the connection strength and stability between the second shaft hole 5 and the steering output shaft 8 are further improved.

In the process of screwing the screwed adjusting bolt 11, the locknut 17 at one end of the adjusting bolt 11 coordinates the adjusting bolt 11 to axially slide in the lockhole 16, the lockspring 18 between the bottom of the lockhole 16 and the locknut 17 can enable certain extrusion force to be always generated between threads, the adjusting bolt 11 and the screw hole 9 can be kept not to be loosened all the time, and the stability of the adjusting bolt 11 is improved.

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

1. The utility model provides a novel steering rocker arm, includes rocker (1) and link one (2) and link two (3) that are located rocker (1) both ends respectively, be provided with on link one (2) shaft hole (4) of being connected with the output, be equipped with on link two (3) and turn to shaft hole two (5) that output shaft (8) are connected, its characterized in that, shaft hole two (5) with turn to output shaft (8) interference fit, be equipped with on link two (3) and adjust breach (6) that switch on with shaft hole two (5), adjust breach (6) and separate link two (3) in the shaft hole two (5) outside for the regulation portion one (19) of one side and the regulation portion two (20) of opposite side, still including the adjustment mechanism who is used for adjusting regulation breach (6) width.

2. A novel steering rocker arm, as claimed in claim 1, wherein: adjusting mechanism is adjusting bolt (11) including a bolt head (12), be equipped with screw (9) that switch on with regulation breach (6) on regulation portion (19), the inner wall of screw (9) is equipped with the internal thread one with adjusting bolt (11) screw thread adaptation, adjusting bolt (11) and screw (9) threaded connection.

3. A novel steering rocker arm, as claimed in claim 2, wherein: one end of the adjusting bolt (11) penetrates through the adjusting bolt (11) to enter the adjusting notch (6) and is pressed against the second adjusting part (20).

4. A novel steering rocker arm, as claimed in claim 2, wherein: be equipped with on regulation portion two (20) and switch on and with screw (9) coaxial bolt via hole (10) with regulation breach (6), the diameter of bolt via hole (10) is greater than the diameter of adjusting bolt (11), the one end that regulation breach (6) were kept away from in bolt via hole (10) is equipped with counter bore (13) that are used for holding bolt head (12), the inside of counter bore (13) is used for blockking bolt head (12) to counter bore (13) keep away from the stop gear that the one end of bolt via hole (10) of regulation breach (6) removed.

5. The novel steering rocker arm of claim 4, wherein: the limiting mechanism is a limiting block (14), and the limiting block (14) is detachably connected to the inner part of the counter bore (13).

6. The novel steering rocker arm of claim 5, wherein: the bolt is characterized in that an external thread I is arranged outside the limiting block (14), an internal thread II matched with the external thread I in a threaded manner is arranged on the inner wall of the counter bore (13), the limiting block (14) is in threaded connection with the counter bore (13), a through hole (15) is formed in the bolt head (12), and the diameter of the through hole (15) is smaller than that of the bolt head (12).

7. A novel steering rocker arm, as claimed in claim 2, wherein: one end of the screw hole (9) far away from the adjusting notch (6) is provided with an anti-loosening hole (16) coaxial with the screw hole (9), the inner axial direction of the anti-loosening hole (16) is connected with a check nut (17) in a sliding mode, the check nut (17) is connected with the screw hole (9) in a threaded mode, and a check spring (18) is pressed between the bottoms of the check nut (17) and the check hole (16).

8. A novel pitman arm as claimed in any one of claims 1 to 7, wherein: the inside in shaft hole two (5) is equipped with a plurality of spline grooves (7), be equipped with on steering output shaft (8) with a plurality of splines of spline groove (7) looks adaptation, the notch quantity of spline groove (7) is less one than the notch quantity of spline, the width of spline groove (7) equals with the width of adjusting breach (6) after steering output shaft (8) packs into shaft hole two (5).