CN208544330U - Pull rod shell - Google Patents
Pull rod shell Download PDFInfo
- Publication number
- CN208544330U CN208544330U CN201821096385.6U CN201821096385U CN208544330U CN 208544330 U CN208544330 U CN 208544330U CN 201821096385 U CN201821096385 U CN 201821096385U CN 208544330 U CN208544330 U CN 208544330U
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- China
- Prior art keywords
- rubber block
- spherical cavity
- connecting hole
- pull rod
- cavity slot
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Abstract
The utility model provides a kind of pull rod shell, belongs to automobile steering system parts technical field.It solve the problems, such as existing tie rod ball be not adjustable with pull rod shell frictional force, both cause to connect service life it is short.This pull rod shell includes ontology, the front end of ontology has the spherical cavity slot for connected ball key seat, the rear end of ontology has the interconnecting piece for connecting with connecting rod, liner base is detachably provided on the inner wall of spherical cavity slot, the bottom of liner base is provided with rubber block and the rubber block can partially be put in spherical cavity slot, it is provided with the conflict device for making rubber block resilient abutment in interconnecting piece, the position limiting structure that rubber block is put in spherical cavity slot is provided on liner base.Simple, the adjustable frictional force size of the utility model structure, long service life, control property it is high, convenient and practical.
Description
Technical field
The utility model belongs to automobile steering system parts technical field, is related to a kind of pull rod shell.
Background technique
Steering linkage assembly is the important component of automobile steering system, is the basic connection knot for realizing full-vehicle steering
Structure is the important component for connecting pitman arm steering synchronous with preceding bridge and left and right tire.When driver turn turns to
When disk, the steering drag link that swings by of pitman arm is transferred to preceding bridge, drives the rotation of tire, and track rod connection is left
The auxiliary connection of right wheel tire realizes that the synchronous of left and right wheels turns to.
With the development of automotive engineering, customer is higher and higher to maneuvering performance and the handling comfort requirement of automobile, and draws
The shaking moment of bar bulb, rotating torque, bulb gap directly affect the operating characteristics of vehicle.
For above-mentioned this case, occur a kind of steering linkage in the market, such as Chinese patent Patent No.:
A kind of steering linkage bulb described in " 201720059579.8 ", including ball pin, dust cover, rod head, the first ball seat and
Two ball seats, the ball pin include bulb and connecting rod, and the bulb, the first ball seat and the second ball seat are fixed on the rod head
Inner cavity, one end of the dust cover are set in the top of the rod head, and the other end is set on the connecting rod, structure packet
Inner sheath is included, the inner sheath is set on the connecting rod, and the inner sheath is between the dust cover and rod head；
End cap, the end cap are fixed on the bottom of the rod head, and the bottom surface of second ball seat is contacted with the end cap.
In such a configuration, first ball seat, the second ball seat are fixed in the inner cavity of rod head, the rod head with
First ball seat, the second ball seat contact against connection and first ball seat, the second ball seat only provide sliding for tie rod ball rotation and be situated between
Body makes tie rod ball rub in the first ball seat, the second ball seat there are constant there is no adjusting to rod head with frictional resistance
Power is wiped, when beginning to use, when first ball seat, the second ball seat are not worn, the tie rod ball and above-mentioned the two cooperation are rotated
Frictional force is larger, and rotation has a little tight；When for a long time in use, first ball seat, the second ball seat abrasion when, the tie rod ball with
Both above-mentioned cooperation rotation friction is smaller, and rotation has some pine, and service life is shorter, inconvenient to use.
Summary of the invention
The purpose of this utility model be for the above-mentioned problems in the prior art, provide a kind of structure it is simple, can
With regulating friction force size, long service life, convenient and practical pull rod shell.
The purpose of this utility model can be realized by the following technical scheme: a kind of pull rod shell, including ontology, ontology
Front end has the spherical cavity slot for connected ball key seat, and the rear end of ontology has the interconnecting piece for connecting with connecting rod, and feature exists
In being detachably provided with liner base on the inner wall of the spherical cavity slot, the bottom of the liner base is provided with rubber block and should
Rubber block can partially be put in spherical cavity slot, and the conflict device for making rubber block resilient abutment, institute are provided in the interconnecting piece
The position limiting structure that rubber block is put in spherical cavity slot is provided on the liner base stated.
The ball pin seat is in spherical cavity slot, and the mode which contacts with rubber block contacts for resilient abutment, rubber block
There are frictional force between ball pin seat, can adjust rubber block and ball pin by contradicting device between the rubber block and ball pin seat
The size of seat frictional force between the two；It is detachably secured to there are also the liner base on the inner wall of spherical cavity slot, when liner base abrasion,
Convenient maintenance and replacement.
In above-mentioned pull rod shell, the conflict device includes that connecting hole is offered in interconnecting piece, the connection
Hole is connected to the spherical cavity slot, the end cap that slide plate is provided in connecting hole, is encapsulated in slide plate in connecting hole, the slide plate
There is elastic rubber column between end cap, one end of the elastic rubber column and the slide plate outer end end face contradict, described
The other end of elastic rubber column and the inner end end face of the end cap contradict, there is bullet between the slide plate and rubber block
Spring, one end resilient abutment of the spring is on the inner end end face of the rubber block, the other end resilient abutment of the spring
On the inner end end face of the slide plate, adjustment structure is equipped between the end cap and interconnecting piece.Elastic rubber column, bullet are set
Spring, the elastic rubber column and spring all have the effect of flexible adjustment, the rubber block put in the deep distance of spherical cavity slot internal diameter determine with
The friction size of ball pin seat, the rubber block can more preferably control rubber block and put in ball by elastic rubber column, spring dual regulation
Cavity groove internal diameter depth distance, it is easy to use.
In above-mentioned pull rod shell, the adjustment structure include have on the hole inner wall of connecting hole one section from connecting hole
The internal screw thread to extend internally at aperture, external screw thread is provided in the outer cylindrical wall of the end cap, and the end cap passes through outer spiral shell
The threaded engagement spiral of line and internal screw thread is connected in the connecting hole, and interior six are provided on the outer end end face of the end cap
Chamfered groove.It is threadedly engaged between end cap and connecting hole hole inner wall, it is easy to adjust.
In above-mentioned pull rod shell, there is gap between the hole inner wall of the elastic rubber column and connecting hole, it is described
Gap in have lubricating oil.The purpose being arranged in this way is to lubricate the component in connecting hole hole well.
In above-mentioned pull rod shell, the position limiting structure includes being arranged on liner base and the same aperture of connecting hole
Be arranged and with the axially opposing mounting hole answered of connecting hole, the inner orifice edge of the mounting hole is provided with undergauge step, described
Rubber block include the round being placed in mounting hole, with the integrally formed butting section of round, the butting section is located at institute
The medium position of the inner end end face for the round stated, the butting section part is put in the spherical cavity slot and the round card
It connects on the undergauge step.The purpose being arranged in this way is the maximal friction controlled when ball pin seat is contacted with rubber block.
In above-mentioned pull rod shell, the trench bottom of the spherical cavity slot has attachment base, the inner wall of the attachment base
On be provided with internal screw thread, the bottom of the liner base has an external screw thread, and the liner base passes through external screw thread and internal screw thread
Threaded engagement spiral is connected on the attachment base.The purpose being arranged in this way is to facilitate the disassembly and maintenance of liner base.
Compared with prior art, it is provided with rubber block in this pull rod shell, the rubber block is adjustable by contradicting device
Frictional force of the ball pin seat when being connect with spherical cavity slot；Simple, the adjustable frictional force size of the utility model structure, use the longevity
Life is long, control property is high, convenient and practical.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of this pull rod shell.
In figure, 1, ontology；2, interconnecting piece；3, liner base；4, rubber block；5, slide plate；6, end cap；7, elastic rubber column；8,
Spring；9, interior hex slot；10, undergauge step.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this pull rod shell, is mainly made of ontology 1, the front end of ontology 1 has for connected ball key seat
Spherical cavity slot, the rear end of ontology 1 have the interconnecting piece 2 for connecting with connecting rod, are detachably provided with liner on the inner wall of spherical cavity slot
Seat 3, the specific connection structure of liner base 3 and spherical cavity slot are as follows: the trench bottom of spherical cavity slot has attachment base, sets on the inner wall of attachment base
It is equipped with internal screw thread, the bottom of liner base 3 has external screw thread, and liner base 3 is connected by the threaded engagement spiral of external screw thread and internal screw thread
It connecing on the attachment base, the bottom of liner base 3 is provided with rubber block 4 and the rubber block 4 can partially be put in spherical cavity slot,
The conflict device for making 4 resilient abutment of rubber block is provided in interconnecting piece 2.
In actually manufacture, the specific structure of the conflict device are as follows: connecting hole, connecting hole and ball are offered in interconnecting piece 2
Cavity groove is connected to, and the end cap 6 for being provided with slide plate 5 in connecting hole, being encapsulated in slide plate 5 in connecting hole has between slide plate 5 and end cap 6
Flexible rubber column 7, one end and 5 outer end end face of slide plate of elastic rubber column 7 contradict, the other end and end cap 6 of elastic rubber column 7
Inner end end face contradict, between slide plate 5 and rubber block 4 have spring 8, one end resilient abutment of the spring 8 is in the rubber
On the inner end end face of block 4, the other end resilient abutment of spring 8 is set between end cap 6 and interconnecting piece 2 on the inner end end face of slide plate 5
There is adjustment structure.
In practical application, the specific embodiment of the adjustment structure between the end cap 6 and interconnecting piece 2 are as follows: connecting hole
There is one section of internal screw thread to extend internally from connecting hole aperture on the inner wall of hole, be provided with external screw thread in the outer cylindrical wall of end cap 6,
End cap 6 is connected in the connecting hole by the threaded engagement spiral of external screw thread and internal screw thread, is set on the outer end end face of end cap 6
It is equipped with interior hex slot 9；There is gap between elastic rubber column 7 and the hole inner wall of connecting hole, there is lubricating oil in gap.
The position limiting structure that rubber block 4 is put in spherical cavity slot is provided on liner base 3, in actually manufacture, the position limiting structure
Specific embodiment are as follows: on liner base 3 setting and connecting hole with aperture be arranged and with the axially opposing mounting hole answered of connecting hole,
The inner orifice edge of mounting hole is provided with undergauge step 10, and rubber block 4 includes the round being placed in mounting hole and round one
Body formed butting section, butting section are located at the medium position of the inner end end face of the round, and butting section part puts in spherical cavity
In slot and the round is connected on undergauge step 10.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of pull rod shell, including ontology (1), the front end of ontology (1) has the spherical cavity slot for connected ball key seat, ontology
(1) rear end has the interconnecting piece (2) for connecting with connecting rod, which is characterized in that detachable on the inner wall of the spherical cavity slot
It is provided with liner base (3), the bottom of the liner base (3) is provided with rubber block (4) and the rubber block (4) can partially be put in
In spherical cavity slot, the conflict device for making rubber block (4) resilient abutment, the liner base (3) are provided in the interconnecting piece (2)
On be provided with the position limiting structure that rubber block (4) is put in spherical cavity slot.
2. pull rod shell according to claim 1, which is characterized in that the conflict device includes opening in interconnecting piece (2)
Equipped with connecting hole, the connecting hole is connected to the spherical cavity slot, and slide plate (5) is provided in connecting hole, encapsulates slide plate (5)
End cap (6) in connecting hole has elastic rubber column (7) between the slide plate (5) and end cap (6), the elastic rubber
One end of rubber column gel column (7) and slide plate (5) the outer end end face contradict, the other end of the elastic rubber column (7) and described
The inner end end face of end cap (6) contradicts, and has spring (8) between the slide plate (5) and rubber block (4), one end of the spring (8)
Resilient abutment is on the inner end end face of the rubber block (4), and the other end resilient abutment of the spring (8) is in the cunning
On the inner end end face of plate (5), adjustment structure is equipped between the end cap (6) and interconnecting piece (2).
3. pull rod shell according to claim 2, which is characterized in that the adjustment structure includes the hole inner wall of connecting hole
It is upper that there is one section of internal screw thread to extend internally from connecting hole aperture, outer spiral shell is provided in the outer cylindrical wall of the end cap (6)
Line, the end cap (6) are connected in the connecting hole by the threaded engagement spiral of external screw thread and internal screw thread, the end
It covers on the outer end end face of (6) and is provided with interior hex slot (9).
4. pull rod shell according to claim 2 or 3, which is characterized in that the elastic rubber column (7) and connecting hole
There is gap between the inner wall of hole, there is lubricating oil in the gap.
5. pull rod shell according to claim 2, which is characterized in that the position limiting structure includes setting on liner base (3)
Set with the connecting hole with aperture be arranged and with the axially opposing mounting hole answered of connecting hole, the inner orifice side of the mounting hole
Edge is provided with undergauge step (10), and the rubber block (4) includes the round being placed in mounting hole and round body by integral forming
Butting section, the butting section is located at the medium position of the inner end end face of the round, and the butting section part is stretched
In into the spherical cavity slot and the round is connected on the undergauge step (10).
6. pull rod shell according to claim 1 or 5, which is characterized in that the trench bottom of the spherical cavity slot has connection
, internal screw thread is provided on the inner wall of the attachment base, the bottom of the liner base (3) has external screw thread, and described is interior
Lining seat (3) is connected on the attachment base by the threaded engagement spiral of external screw thread and internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821096385.6U CN208544330U (en) | 2018-07-11 | 2018-07-11 | Pull rod shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821096385.6U CN208544330U (en) | 2018-07-11 | 2018-07-11 | Pull rod shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208544330U true CN208544330U (en) | 2019-02-26 |
Family
ID=65424390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821096385.6U Active CN208544330U (en) | 2018-07-11 | 2018-07-11 | Pull rod shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208544330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254511A (en) * | 2019-07-02 | 2019-09-20 | 赵仙菊 | A kind of composite constant-voltage chamber has the track rod of unidirectional oil transportation protection |
-
2018
- 2018-07-11 CN CN201821096385.6U patent/CN208544330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254511A (en) * | 2019-07-02 | 2019-09-20 | 赵仙菊 | A kind of composite constant-voltage chamber has the track rod of unidirectional oil transportation protection |
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