CN214729082U

CN214729082U - Up-down adjusting steering shaft

Info

Publication number: CN214729082U
Application number: CN202120691123.XU
Authority: CN
Inventors: 倪军; 高利军; 俞彦鼎
Original assignee: Hangzhou Ouyuda Machinery Co ltd
Current assignee: Hangzhou Ouyuda Machinery Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-16
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses an up-down adjustment formula steering spindle, including sleeve shaft and sliding shaft, the sleeve shaft cover is established on the surface of sliding shaft, the top on sliding shaft surface and the equal fixed mounting in below have a spacing key, the keyway with spacing key looks adaptation is all seted up to the both sides of sleeve shaft inner wall, be provided with on the sleeve shaft and press down positioning mechanism, the utility model relates to a steering spindle technical field. This from top to bottom adjustment formula steering spindle, through the setting of pressing down positioning mechanism, be convenient for adjust the length that the sliding shaft stretches out the sleeve axle, and then adjust the whole length of steering spindle, utilize the laborsaving principle of lever to easily adjust, the use limitation is little, through the setting of inlet port, be convenient for to the inside lubricating oil that adds of sleeve axle, and then reduce the friction between sleeve axle and the sliding shaft, through the rubber seal stopper, first sealing washer, the setting of second sealing washer, be convenient for guarantee the leakproofness of sleeve axle, prevent that lubricating oil from leaking outward.

Description

Up-down adjusting steering shaft

Technical Field

The utility model relates to a steering spindle technical field specifically is an upper and lower regulation formula steering spindle.

Background

The steering shaft has the function of transmitting the steering torque of the driver acting on the steering wheel to the steering gear, the upper part of the steering shaft is fixedly connected with the steering wheel, and the lower part of the steering shaft is connected with the steering gear. The steering shaft passes through the steering column tube and is supported on bearings and bushings in the column tube. Some steering shafts not only have certain rigidity, but also have an energy absorption function, and have an anti-injury effect.

The regulation of length about current steering spindle is generally not convenient for carry on, leads to the high unable regulation of steering wheel, uses the limitation big, and the friction between axle and the axle is great, consequently, the utility model provides an upper and lower regulation formula steering spindle for hybrid direction to solve the above-mentioned problem of mentioning.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an from top to bottom adjustment formula steering spindle has solved the regulation of length about current steering spindle generally is not convenient for carry on, leads to the high unable regulation of steering wheel, and the use limitation is big, and the great problem of friction between axle and the axle.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an upper and lower regulation formula steering spindle, includes sleeve shaft and sliding shaft, the sleeve shaft cover is established on the surface of sliding shaft, the equal fixed mounting in top and the below on sliding shaft surface has spacing key, the keyway with spacing key looks adaptation is all seted up to the both sides of sleeve shaft inner wall, the epaxial positioning mechanism that presses that is provided with of sleeve.

Press down positioning mechanism and include fixed block of fixed mounting on the sleeve surface, the left side of fixed block is rotated and is connected with the press platen, the right side of press platen is rotated and is connected with the connecting block, the surface of connecting block is rotated and is connected with the location bolt, the one end that the connecting block was kept away from to the location bolt runs through sleeve, sliding shaft in proper order and extends to the inside of sliding shaft, the right side fixed mounting who presses the platen has powerful spring, powerful spring keeps away from the one end of press platen and the fixed surface of sleeve to be connected, the sliding shaft surface runs through the location jack of seting up with location bolt looks adaptation, the slide opening with location bolt looks adaptation is seted up on the surface of sleeve, the inner wall sliding connection of the surface of location bolt and slide opening.

Preferably, an oil inlet hole is formed in the surface of the sleeve shaft in a penetrating mode, and a rubber sealing plug is clamped to the inner wall of the oil inlet hole.

Preferably, one end of the sleeve shaft is fixedly provided with a first sealing ring matched with the sliding shaft, and the inner wall of the first sealing ring is provided with a groove matched with the limit key.

Preferably, a second sealing ring is fixedly mounted on the surface of the sleeve shaft, and the inner wall of the second sealing ring is in contact with the surface of the positioning bolt.

Preferably, the positioning jacks are provided with a plurality of positioning jacks, and the distance between every two adjacent positioning jacks is equal.

Preferably, the sleeve shaft and the sliding shaft are both made of No. 45 steel.

Advantageous effects

The utility model provides an upper and lower regulation formula steering spindle. Compared with the prior art, the method has the following beneficial effects:

(1) the up-and-down adjusting steering shaft is characterized in that a pressing and positioning mechanism is arranged on a sleeve shaft, the pressing and positioning mechanism comprises a fixed block fixedly arranged on the surface of the sleeve shaft, the left side of the fixed block is rotatably connected with a pressing plate, the right side of the pressing plate is rotatably connected with a connecting block, the surface of the connecting block is rotatably connected with a positioning bolt, one end of the positioning bolt, far away from the connecting block, sequentially penetrates through the sleeve shaft and a sliding shaft and extends to the inside of the sliding shaft, the right side of the pressing plate is fixedly provided with a strong spring, one end of the strong spring, far away from the pressing plate, is fixedly connected with the surface of the sleeve shaft, the surface of the sliding shaft is provided with a positioning jack matched with the positioning bolt in a penetrating way, the surface of the sleeve shaft is provided with a sliding hole matched with the positioning bolt, the surface of the positioning bolt is slidably connected with the inner wall of the sliding hole, and the length of the sliding shaft, extending out of the sleeve shaft, can be conveniently adjusted through the setting of the pressing and positioning mechanism, and then adjust the whole length of steering spindle, utilize the laborsaving principle of lever easily to adjust, use the limitation is little.

(2) This up-and-down regulation formula steering spindle, the inlet port has been seted up through running through on the surface at the sleeve axle, the inner wall joint of inlet port has the rubber sealing plug, the one end fixed mounting of sleeve axle has the first sealing washer with sliding shaft looks adaptation, the recess with spacing key looks adaptation is seted up to the inner wall of first sealing washer, the fixed surface of sleeve axle installs the second sealing washer, the inner wall of second sealing washer and the surface contact of location bolt, setting through the inlet port, be convenient for to the inside lubricating oil that adds of sleeve axle, and then reduce the friction between sleeve axle and the sliding shaft, through the rubber sealing plug, first sealing washer, the setting of second sealing washer, be convenient for guarantee the leakproofness of sleeve axle, prevent that lubricating oil from leaking outward.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of the sleeve structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the pressing and positioning mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a partial enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1-sleeve shaft, 2-sliding shaft, 3-limiting key, 4-key groove, 5-pressing positioning mechanism, 501-fixing block, 502-pressing plate, 503-connecting block, 504-positioning bolt, 505-strong spring, 506-positioning jack, 507-sliding hole, 6-oil inlet, 7-rubber sealing plug, 8-first sealing ring, 9-groove and 10-second sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an upper and lower regulation formula steering spindle, includes sleeve 1 and slip axle 2, and the surface at slip axle 2 is established to 1 cover of sleeve, and the top on slip axle 2 surface and the equal fixed mounting in below have spacing key 3, and the keyway 4 with 3 looks adaptations of spacing key is all seted up to the both sides of 1 inner wall of sleeve, is provided with on the sleeve 1 and presses positioning mechanism 5.

Pressing positioning mechanism 5 includes fixed block 501 of fixed mounting on the surface of sleeve axle 1, the left side of fixed block 501 rotates and is connected with and presses the clamp plate 502, the right side of pressing clamp plate 502 rotates and is connected with connecting block 503, the surface rotation of connecting block 503 is connected with location bolt 504, the one end that connecting block 503 was kept away from to location bolt 504 runs through sleeve axle 1 in proper order, sliding shaft 2 and the inside that extends to sliding shaft 2, the right side fixed mounting who presses clamp plate 502 has powerful spring 505, the one end that presses clamp plate 502 was kept away from to powerful spring 505 is connected with the fixed surface of sleeve axle 1, sliding shaft 2 surface runs through and sets up the location jack 506 with location bolt 504 looks adaptation, the slide opening 507 with location bolt 504 looks adaptation is seted up on the surface of sleeve axle 1, the surface of location bolt 504 and the inner wall sliding connection of slide opening 507.

The surface of sleeve 1 runs through and has seted up inlet port 6, be convenient for add lubricating oil, the inner wall joint of inlet port 6 has rubber sealing plug 7, the one end fixed mounting of sleeve 1 has the first sealing washer 8 with slide shaft 2 looks adaptation, prevent that lubricating oil from leaking outward, recess 9 with spacing key 3 looks adaptation is seted up to the inner wall of first sealing washer 8, the fixed surface of sleeve 1 installs second sealing washer 10, prevent that lubricating oil from leaking outward, the inner wall of second sealing washer 10 and the surface contact of location bolt 504, location jack 506 is provided with a plurality of, interval between two adjacent location jacks 506 equals, sleeve 1 and slide shaft 2 all adopt 45 steel.

And those not described in detail in this specification are well within the skill of those in the art.

During the use, when needing to change sliding shaft 2 length, press down the top of pressing plate 502 hard, make pressing plate 502 rotate around fixed block 501, and then drive location bolt 504 through connecting block 503 and remove, make location bolt 504 break away from location jack 506, then can freely stimulate sliding shaft 2 length, adjust good length the back, loosen pressing plate 502, under powerful spring 505 elasticity, drive pressing plate 502 and reset, and then make location bolt 504 reinsert in another location jack 506, accomplish the location to sliding shaft 2, when needing to adjust lubricating oil, extract rubber sealing plug 7, through inlet port 6 to the inside interpolation of sleeve axle 1 can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an upper and lower regulation formula steering spindle, includes sleeve axle (1) and sliding shaft (2), sleeve axle (1) cover is established on the surface of sliding shaft (2), its characterized in that: limiting keys (3) are fixedly arranged above and below the surface of the sliding shaft (2), key grooves (4) matched with the limiting keys (3) are formed in the two sides of the inner wall of the sleeve shaft (1), and a pressing and positioning mechanism (5) is arranged on the sleeve shaft (1);

the pressing and positioning mechanism (5) comprises a fixed block (501) fixedly mounted on the surface of the sleeve shaft (1), the left side of the fixed block (501) is rotatably connected with a pressing plate (502), the right side of the pressing plate (502) is rotatably connected with a connecting block (503), the surface of the connecting block (503) is rotatably connected with a positioning bolt (504), one end, far away from the connecting block (503), of the positioning bolt (504 sequentially penetrates through the sleeve shaft (1) and the sliding shaft (2) and extends into the sliding shaft (2), a strong spring (505) is fixedly mounted on the right side of the pressing plate (502), one end, far away from the pressing plate (502), of the strong spring (505) is fixedly connected with the surface of the sleeve shaft (1), a positioning insertion hole (506) matched with the positioning bolt (504) is formed in the surface of the sliding shaft (2), and a sliding hole (507) matched with the positioning bolt (504) is formed in the surface of the sleeve shaft (1), the surface of the positioning bolt (504) is connected with the inner wall of the sliding hole (507) in a sliding mode.

2. An up-down adjusting steering shaft according to claim 1, wherein: the surface of the sleeve shaft (1) is penetrated and provided with an oil inlet hole (6), and the inner wall of the oil inlet hole (6) is clamped with a rubber sealing plug (7).

3. An up-down adjusting steering shaft according to claim 1, wherein: one end fixed mounting of cover axle (1) has first sealing washer (8) with sliding shaft (2) looks adaptation, recess (9) with spacing key (3) looks adaptation are seted up to the inner wall of first sealing washer (8).

4. An up-down adjusting steering shaft according to claim 1, wherein: the surface of the sleeve shaft (1) is fixedly provided with a second sealing ring (10), and the inner wall of the second sealing ring (10) is in contact with the surface of the positioning bolt (504).

5. An up-down adjusting steering shaft according to claim 1, wherein: the positioning insertion holes (506) are provided with a plurality of positioning insertion holes, and the distance between every two adjacent positioning insertion holes (506) is equal.

6. An up-down adjusting steering shaft according to claim 1, wherein: the sleeve shaft (1) and the sliding shaft (2) are made of No. 45 steel.