CN110450848A - A kind of automobile steering intermediate shaft - Google Patents
A kind of automobile steering intermediate shaft Download PDFInfo
- Publication number
- CN110450848A CN110450848A CN201910706826.2A CN201910706826A CN110450848A CN 110450848 A CN110450848 A CN 110450848A CN 201910706826 A CN201910706826 A CN 201910706826A CN 110450848 A CN110450848 A CN 110450848A
- Authority
- CN
- China
- Prior art keywords
- jackshaft
- fork
- lower cardan
- disk
- intermediate shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/20—Connecting steering column to steering gear
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention discloses a kind of automobile steering intermediate shafts, including the first jackshaft and the second jackshaft, the inside of the second jackshaft is arranged in first jackshaft, upper cardan fork is provided with below second jackshaft, the upper cardan fork is connected with the first lower cardan fork by universal joint, the bottom of the first lower cardan fork is provided with the second lower cardan fork, the first threaded hole is offered on the first lower cardan fork, the second bolt hole corresponding with the first threaded hole is offered on the second lower cardan fork, it is bolted to connection between first threaded hole and the second threaded hole.The present invention is pitched by the first lower cardan of setting and the second lower cardan fork, in assembling process, the first lower cardan need to only be pitched and be against on steering gear input shaft, the second lower cardan fork is covered again, urgent bolt again, it avoids installation personnel to need repeatedly to attempt lower section could be pitched to cover on steering gear input shaft, improves working efficiency.
Description
Technical field
The invention belongs to motor turning jackshaft technical fields, and in particular to a kind of automobile steering intermediate shaft.
Background technique
The electric steering column produced currently on the market is with countershaft assembly and manual steering gear with connecing between drag link
Conjunction is to pitch to connect with steering gear input shaft by jackshaft lower cardan, and the two passes through spline fitted again together.In actual production
In the process, producers need first to back out the pre- bolt of tightening being mounted on lower section fork in assembly, then lower section fork is covered and is being inputted
On axis, then urgent bolt, but fork is very small with input shaft fit clearance, and operating space is (in foot pedal due to saving under jackshaft
Place) it is also extremely limited, producers assemble up and inconvenience, generally require repeatedly to attempt that lower section could be pitched to cover in input shaft
On, speed of production and assembly crewman's mood are influenced, to be unfavorable for quality control；In addition when installing steering intermediate shaft, in order to
Steering intermediate shaft can be made to meet the automobile of multiple models, need to be finely adjusted the length of steering intermediate shaft.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile steering intermediate shaft, it is mentioned above in the background art to solve
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of automobile steering intermediate shaft, including in first
Between axis and the second jackshaft, first jackshaft is arranged in the inside of the second jackshaft, the outside circle of first jackshaft
It is welded with the first disk on week, is welded with the second disk in the outer circumference of second jackshaft, inside second disk
It is threaded with screw rod, one end rotation of the screw rod is provided with pressing plate, and the pressing plate is welded on the lower surface of the first disk, institute
The inside for stating the second jackshaft offers sliding slot, and the bottom of first jackshaft is welded with sliding block, the sliding block sliding setting
In sliding slot, upper cardan fork is provided with below second jackshaft, the upper cardan fork is connected with by universal joint
The bottom of first lower cardan fork, the first lower cardan fork is provided with the second lower cardan fork, first lower cardan
The first threaded hole is offered on fork, offers the second bolt hole corresponding with the first threaded hole on the second lower cardan fork,
It is bolted to connection between first threaded hole and the second threaded hole.
Preferably, nut is threaded on the screw rod, the upper surface of the second disk is arranged in the nut.
Preferably, the other end of the screw rod is welded with knob, and the screw rod is provided with two, and two screw rods pair
Claim to be arranged on the second disk.
Preferably, it is provided with boss on the first lower cardan fork, is opened up on the second lower cardan fork fluted.
Preferably, the first lower cardan fork and the second lower cardan fork offer spline tooth.
Preferably, the junction of the bolt and the second lower cardan fork is provided with plain washer.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is pitched by the first lower cardan of setting and the second lower cardan fork only need to be by the in assembling process
Once universal-joint fork is against on steering gear input shaft, then the second lower cardan fork is covered, then urgent bolt, and peace is avoided
Dress personnel need repeatedly to attempt that lower section could be pitched to cover on steering gear input shaft, improve working efficiency.
2, the present invention makes the first disk and the second disk by rotating screw rod by the first disk of setting and the second disk
The distance between change, move up and down the sliding block of the first jackshaft lower end in the sliding slot in the second jackshaft,
To adjust the length between the first jackshaft and the second jackshaft, facilitate the vapour that this steering intermediate shaft is installed to different model
Che Shang.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the internal cross section figure of the first jackshaft and the second jackshaft of the invention；
Fig. 3 is that the first lower cardan of the invention pitches structural schematic diagram；
Fig. 4 is that the second lower cardan of the invention pitches structural schematic diagram.
In figure: 1, the first jackshaft；2, the second jackshaft；3, the first disk；4, the second disk；5, screw rod；6, pressing plate；
7, sliding slot；8, sliding block；9, upper cardan is pitched；10, the first lower cardan is pitched；11, the second lower cardan is pitched；12, the first threaded hole；
13, the second bolt hole；14, bolt；15, nut；16, knob；17, boss；18, groove；19, spline tooth；20, universal joint.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of automobile steering intermediate shaft, including among first
Axis 1 and the second jackshaft 2, first jackshaft 1 are arranged in the inside of the second jackshaft 2, first jackshaft 1 it is outer
It is welded with the first disk 3 on the circumference of side, the second disk 4, second circle are welded in the outer circumference of second jackshaft 2
4 internal whorl of disk is connected with screw rod 5, and one end rotation of the screw rod 5 is provided with pressing plate 6, and the pressing plate 6 is welded on the first circle
The lower surface of disk 3, the inside of second jackshaft 2 offer sliding slot 7, and the bottom of first jackshaft 1 is welded with sliding block
8, the sliding block 8 is slidably arranged in sliding slot 7, and the lower section of second jackshaft 2 is provided with upper cardan fork 9, described up to ten thousand
First lower cardan fork 10 is connected with by universal joint 20 to section fork 9, the bottom of first lower cardan fork 10 is provided with the
Two lower cardans fork 11, first lower cardan are pitched and offer the first threaded hole 12 on 10, the second lower cardan fork 11
On offer second bolt hole 13 corresponding with the first threaded hole 12, between first threaded hole 12 and the second threaded hole 13 lead to
Bolt 14 is crossed to be fixedly connected.
Further, nut 15 is threaded on the screw rod 5, the upper table of the second disk 4 is arranged in the nut 15
Face, the counterbore of placing nut 15 is provided on the second disk 4, and nut 15 can guarantee the steady of screw rod 5 while screw rod 5 rotates
It is qualitative.
Further, the other end of the screw rod 5 is welded with knob 16, and the screw rod 5 is provided with two, and described in two
Screw rod 5 is symmetricly set on the second disk 4, and knob 16, which can facilitate, rotates screw rod 5.
Further, it is provided with boss 17 on the first lower cardan fork 10, is opened on the second lower cardan fork 11
Equipped with groove 18, the diameter of boss 17 is 3mm, and the diameter of groove 18 is 5mm, and cooperation both when installation can prevent assembly direction
Mistake has foolproof function.
Further, the first lower cardan fork 10 and the second lower cardan fork 11 offer spline tooth 19, in reality
Border produces in installation process, needs first first to be against the spline tooth 19 on the first lower cardan fork 10 on input shaft, weak vibrations
It engages the spline tooth 19 on the first lower cardan fork 10 with key teeth on input shaft, then the second lower cardan fork 11 is covered, gently
It is micro- to shake so that spline tooth 19 is to upper, then two bolts 14 are screwed into the first threaded hole 12 and the second threaded hole with plain washer assembly
In 13, urgent torque is first pre-tightened again.
Further, the junction of the bolt 14 and the second lower cardan fork 11 is provided with plain washer, and plain washer can
It plays a protective role to the surface of the second lower cardan fork 11.
Structural principle: the first disk 3 and second is made by rotating screw rod 5 by the first disk 3 of setting and the second disk 4
The distance between disk 4 changes, and allows the sliding block 8 of 1 lower end of the first jackshaft in the sliding slot 7 in the second jackshaft 2
It moves up and down, to adjust the length between the first jackshaft 1 and the second jackshaft 2, realizes the length to steering intermediate shaft
It adjusts, facilitates and this steering intermediate shaft is installed on the automobile of different model；In addition, pitching 10 Hes by the first lower cardan of setting
Lower section fork is divided into two parts by the second lower cardan fork 11, in assembling process, only the first lower cardan need to be pitched 10 and supported
It is covered on steering gear input shaft, then by the second lower cardan fork 11, then by the way that bolt 14 is screwed into 12 He of the first threaded hole
In second threaded hole 13, installation can be completed, avoid installation personnel and need repeatedly to attempt lower section could be pitched to cover in diverter
On input shaft, working efficiency is improved.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of automobile steering intermediate shaft, including the first jackshaft (1) and the second jackshaft (2), it is characterised in that: described
One jackshaft (1) setting is welded with first on the inside of the second jackshaft (2), the outer circumference of first jackshaft (1)
Disk (3) is welded with the second disk (4) in the outer circumference of second jackshaft (2), the internal spiral shell of second disk (4)
Line is connected with screw rod (5), and one end rotation of the screw rod (5) is provided with pressing plate (6), and the pressing plate (6) is welded on the first disk
(3) inside of lower surface, second jackshaft (2) offers sliding slot (7), the bottom welding of first jackshaft (1)
Have sliding block (8), the sliding block (8) is slidably arranged in sliding slot (7), is provided with below second jackshaft (2) universal
Section fork (9), the upper cardan fork (9) are connected with the first lower cardan by universal joint (20) and pitch (10), and described first lower ten thousand
The bottom of section fork (10) is provided with the second lower cardan fork (11), offers the first spiral shell on the first lower cardan fork (10)
Pit (12), second lower cardan are pitched and offer the second bolt hole (13) corresponding with the first threaded hole (12) on (11),
It is fixedly connected between first threaded hole (12) and the second threaded hole (13) by bolt (14).
2. a kind of automobile steering intermediate shaft according to claim 1, it is characterised in that: screw thread connects on the screw rod (5)
It is connected to nut (15), upper surface of nut (15) setting in the second disk (4).
3. a kind of automobile steering intermediate shaft according to claim 1, it is characterised in that: the other end of the screw rod (5)
It is welded with knob (16), the screw rod (5) is provided with two, and two screw rods (5) are symmetricly set on the second disk (4)
On.
4. a kind of automobile steering intermediate shaft according to claim 1, it is characterised in that: the first lower cardan fork
(10) it is provided on boss (17), opens up fluted (18) on the second lower cardan fork (11).
5. a kind of automobile steering intermediate shaft according to claim 1, it is characterised in that: the first lower cardan fork
(10) and the second lower cardan fork (11) offers spline tooth (19).
6. a kind of automobile steering intermediate shaft according to claim 1, it is characterised in that: under the bolt (14) and second
The junction of universal-joint fork (11) is provided with plain washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706826.2A CN110450848A (en) | 2019-08-01 | 2019-08-01 | A kind of automobile steering intermediate shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706826.2A CN110450848A (en) | 2019-08-01 | 2019-08-01 | A kind of automobile steering intermediate shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110450848A true CN110450848A (en) | 2019-11-15 |
Family
ID=68484487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706826.2A Pending CN110450848A (en) | 2019-08-01 | 2019-08-01 | A kind of automobile steering intermediate shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110450848A (en) |
-
2019
- 2019-08-01 CN CN201910706826.2A patent/CN110450848A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191115 |