CN208789767U - A kind of trailer steering linkage assembly structure - Google Patents
A kind of trailer steering linkage assembly structure Download PDFInfo
- Publication number
- CN208789767U CN208789767U CN201821314764.8U CN201821314764U CN208789767U CN 208789767 U CN208789767 U CN 208789767U CN 201821314764 U CN201821314764 U CN 201821314764U CN 208789767 U CN208789767 U CN 208789767U
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- China
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- hand thread
- interconnecting piece
- bulb
- thread portion
- pull rod
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Abstract
A kind of the utility model discloses processing costs lower, the preferable trailer steering linkage assembly structure of safety and reliability, it is characterized in that；It is left, right bulb assembly (10), (20) a left side, right-hand thread portion (11), (21) be external screw thread body and outer diameter is respectively smaller than they and a left side, right bulb body (12), (22) outer diameter of transition junction and with a left side, dextrorotation locking nut (40), (50) it is adapted to, pull rod (30) generally cylindrical body, the left side at its both ends, right-hand thread interconnecting piece (31), it (32) is internal thread hole, it is left, a left side for right bulb assembly, the right-hand thread portion left side with the both ends of pull rod respectively, the connection of right-hand thread interconnecting piece, it is left, dextrorotation locking nut is assemblied in a left side respectively, a left side for right bulb assembly, in right-hand thread portion, and it is located at the outer end and a left side of pull rod, between the outer end of right bulb body.
Description
Technical field
The utility model relates to trailer steering system, especially a kind of trailer steering linkage assembly structure.
Background technique
Currently, common a kind of trailer steering linkage assembly structure in the market, including comprising left bulb body 12 and by left ball
The left bulb assembly 10 in the left-hand thread portion 11 that head 12 horizontal direction right end of body extends, comprising right bulb body 22 and by right 22 water of bulb body
Put down the right bulb assembly 20 in the right-hand thread portion 21 extended to left end, both ends are respectively equipped with left-hand thread interconnecting piece 31 and connect with right-hand thread
The pull rod 3 and left-handed locking nut 40 and dextrorotation locking nut 50 in portion 32；Wherein, the left-hand thread portion 11 of left bulb assembly 10
Right-hand thread portion 21 with right bulb assembly 20 is axial threaded hole, the left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece of pull rod 30
32 be the middle part of external screw thread body and pull rod 30 be six square shafts that diameter is greater than left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32
Body, the left-hand thread portion 11 of left bulb assembly 10 and the right-hand thread portion 21 of right bulb assembly 20 are connect with the left-hand thread of pull rod 3 respectively
The left-hand thread that portion 31 and the connection of right-hand thread interconnecting piece 32, left-handed locking nut 40 and dextrorotation locking nut 50 are assemblied in pull rod 3 connects
In socket part 31 and right-hand thread interconnecting piece 32 and it is located at the left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 and left ball of pull rod 3
Between the left-hand thread portion 11 of head assembly 10 and the right-hand thread portion 21 of right bulb assembly 20.In use, being rotated counterclockwise referring to Fig. 2
When six square shaft bodies, the left-hand thread portion 11 of left bulb assembly 10 and the right-hand thread portion 21 of right bulb assembly 20 are respectively simultaneously to outward turning
Out, entire steering linkage assembly length elongation at this time；When rotating clockwise six square shaft bodies, the left-hand thread portion 11 of left bulb assembly 10
With the inside precession simultaneously respectively of right-hand thread portion 21 of right bulb assembly 20, entire steering linkage assembly length shortens at this time, with suitable
It should connect and control the needs in direction.Technical problem present in this trailer steering linkage assembly structure is, in pull rod 30
Portion is that six square shaft bodies, middle part and left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 form step structure, and processing cost is higher, and
To ensure working strength, the left-hand thread interconnecting piece 31 at 30 both ends of pull rod and the diameter of right-hand thread interconnecting piece 32 must be increased, accordingly
Left bulb assembly 10, the size of right bulb assembly 20, volume and overall weight it is also larger.Simultaneously as left-handed locking nut
40 and dextrorotation locking nut 50 be assemblied on the left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 at 30 both ends of pull rod respectively so that
The pressure that left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 are born is larger, then 31 He of left-hand thread interconnecting piece at 30 both ends of pull rod
Six square shaft body junctions of right-hand thread interconnecting piece 32 and middle part, be easy by left bulb assembly 10, right bulb assembly 20 and
There is bending deformation in the case where the dual downward pressure of left-handed locking nut 40 and dextrorotation locking nut 50, makes to turn to
Pull rod loses the effect of direction controlling and adjustment, and safety and reliability is poor.
Utility model content
That the technical problem to be solved by the present invention is to provide a kind of processing costs is lower, safety and reliability is preferable
Trailer steering linkage assembly structure.
In order to solve the above technical problems, the trailer steering linkage assembly structure of the utility model, including include left bulb body
With the left bulb assembly in the left-hand thread portion extended by left bulb body horizontal direction right end, comprising right bulb body and by right bulb body level
The right bulb assembly in the right-hand thread portion extended to left end, both ends are respectively equipped with the drawing of left-hand thread interconnecting piece and right-hand thread interconnecting piece
Bar and left-handed locking nut and dextrorotation locking nut, it is characterized in that；The left-hand thread portion of the left bulb assembly and right bulb are total
At right-hand thread portion be external screw thread body and the outer diameter in left-hand thread portion and right-hand thread portion is respectively smaller than they and left bulb body and the right side
The outer diameter of the transition junction of bulb body is simultaneously adapted to left-handed locking nut and dextrorotation locking nut, the pull rod generally cylinder
Body, the left-hand thread interconnecting piece and right-hand thread interconnecting piece at both ends are internal thread hole, the left-hand thread portion of the left bulb assembly and
The right-hand thread portion of right bulb assembly is connect with the left-hand thread interconnecting piece at the both ends of pull rod and right-hand thread interconnecting piece respectively, described left-handed
Locking nut and dextrorotation locking nut are assemblied in respectively in the left-hand thread portion of left bulb assembly and the right-hand thread portion of right bulb assembly,
And it is located between the outer end of pull rod and left bulb body and the outer end of right bulb body.
Preferably, the periphery two sides of the pull rod are respectively equipped with bayonet.
Preferably, the pull rod is equipped with axially extending bore, and the axially extending bore is connect with left-hand thread interconnecting piece and right-hand thread
Portion's coaxial line.
The utility model includes following beneficial effect；
The left-hand thread portion of the left bulb assembly and the right-hand thread portion of right bulb assembly are external screw thread body and left-hand thread portion
With the outer diameter in right-hand thread portion be respectively smaller than the transition junction of they and left bulb body and right bulb body outer diameter and with left-handed lock
Tight nut and dextrorotation locking nut adaptation, the pull rod generally cylindrical body, the left-hand thread interconnecting piece and right-hand thread at both ends connect
Socket part is internal thread hole, the right-hand thread portion of the left-hand thread portion of the left bulb assembly and right bulb assembly respectively with pull rod two
The left-hand thread interconnecting piece at end is connected with right-hand thread interconnecting piece, and the left-handed locking nut and dextrorotation locking nut are assemblied in a left side respectively
In the left-hand thread portion of bulb assembly and the right-hand thread portion of right bulb assembly, and it is located at the outer end and left bulb body and the right side of pull rod
Between the outer end of bulb body, i.e., there is no step structure in the middle part of pull rod between left-hand thread interconnecting piece and right-hand thread interconnecting piece, therefore add
Work is easier, cost is relatively low；Left-handed locking nut and dextrorotation locking nut are assemblied in the left-hand thread portion of left bulb assembly respectively
In the right-hand thread portion of right bulb assembly, the pressure that the left-hand thread interconnecting piece and right-hand thread interconnecting piece for reducing pull rod are born,
Therefore bending deformation is less likely to occur for left-hand thread interconnecting piece and right-hand thread interconnecting piece, can preferably guarantee the direction control of steering linkage
System and corrective action, safety and reliability are preferable.It can be by clockwise as long as clamping dynamic pull rod using the tool of spanner etc
Or pull rod is pulled in counter-clockwise direction rotation, makes left bulb assembly, the left-hand thread portion on right bulb assembly, right-hand thread portion from pull rod
Left-hand thread interconnecting piece and right-hand thread interconnecting piece in be retracted or exit, thus make steering linkage entire length shorten or elongation, and
The position of left bulb assembly, right bulb assembly is locked with left-handed locking nut, dextrorotation locking nut, reaches steering linkage
To adjustment installation site appropriate.
Detailed description of the invention
Fig. 1 is a kind of main view of trailer steering linkage assembly structure in the prior art；
Fig. 2 is that the C-C of Fig. 1 is intended to part view；
Fig. 3 is the sectional view along A-A of Fig. 2；
Fig. 4 is the schematic front view of the utility model；
Fig. 5 is the partial profile structure of Fig. 4；
Fig. 6 is the B-B direction cross-sectional view of Fig. 5；
Fig. 7 is the structural schematic diagram of left bulb assembly in the utility model；
Fig. 8 is the structural schematic diagram of right bulb assembly in the utility model；
Fig. 9 is the structural schematic diagram of left-handed locking nut in the utility model；Figure 10 is that dextrorotation is locked in the utility model
The structural schematic diagram of nut.
Specific embodiment
It elaborates with reference to the accompanying drawing to this bright preferred embodiment.
Referring to fig. 4 to Figure 10, the trailer steering linkage assembly structure of the utility model of the utility model, including include a left side
Bulb body 12 and the left bulb assembly 10 in the left-hand thread portion 11 extended by left 12 horizontal direction right end of bulb body include right bulb body 22
It is respectively equipped with left-hand thread with the right bulb assembly 20 in the right-hand thread portion 21 extended by right 22 horizontal direction left end of bulb body, both ends and connects
The pull rod 30 and left-handed locking nut 40 and dextrorotation locking nut 50 of portion 31 and right-hand thread interconnecting piece 32.It can by Fig. 4 to Figure 10
See, the left-hand thread portion 11 of the left bulb assembly 10 and the right-hand thread portion 21 of right bulb assembly 20 are external screw thread body and left-hand thread
The outer diameter in portion 11 and right-hand thread portion 21 is respectively smaller than the outer diameter of they and the transition junction of left bulb body 12 and right bulb body 22
And it is adapted to left-handed locking nut 40 and dextrorotation locking nut 50, the pull rod 30 generally cylindrical body, the left-hand thread at both ends
Interconnecting piece 31 and right-hand thread interconnecting piece 32 are internal thread hole, the left-hand thread portion 11 of the left bulb assembly 10 and right bulb assembly
20 right-hand thread portion 21 is connect with the left-hand thread interconnecting piece 31 at the both ends of pull rod 30 and right-hand thread interconnecting piece 32 respectively, described left-handed
Locking nut 40 and dextrorotation locking nut 50 are assemblied in left-hand thread portion 11 and the right bulb assembly 20 of left bulb assembly 10 respectively
In right-hand thread portion 21, and it is located between the outer end of pull rod 30 and left bulb body 10 and the outer end of right bulb body 20.Such one
Come, there is no step structure between 30 middle part of pull rod and left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32, therefore process and be easier,
Cost is relatively low；Left-handed locking nut 40 and dextrorotation locking nut 50 are assemblied in the left-hand thread portion 11 and the right side of left bulb assembly 10 respectively
In the right-hand thread portion 21 of bulb assembly 20, what the left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 for reducing pull rod 30 were born
Pressure, therefore bending deformation is less likely to occur for left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32, can preferably guarantee to turn to and draw
The direction controlling of bar and corrective action, safety and reliability are preferable.As long as in use, being clamped using the tool of spanner etc dynamic
Pull rod 30 can be rotated by direction clockwise or counterclockwise pulls pull rod 30, makes left bulb assembly 10, on right bulb assembly 20
Left-hand thread portion 11, right-hand thread portion 21 are retracted or exit from the left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 on pull rod 30,
To make steering linkage entire length shorten or elongation, and it is with left-handed locking nut 40, dextrorotation locking nut 50 that left bulb is total
It is locked at the position of 10, right bulb assembly 20, steering linkage is made to reach adjustment installation site appropriate.
Referring to fig. 4 and Fig. 5, the periphery two sides of the pull rod 30 are preferably respectively equipped with bayonet 33.Then, as long as using spanner
Etc tool card on bayonet 33, can be rotated by direction clockwise or counterclockwise and pull pull rod 30, make left bulb assembly 10,
Left-hand thread portion 11, right-hand thread portion 21 on right bulb assembly 20 are from the left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece on pull rod 30
It is retracted or exits in 32, to make steering linkage entire length shorten or elongation, and with left-handed locking nut 40, dextrorotation locking screw
Mother 50 locks the position of left bulb assembly 10, right bulb assembly 20, reaches steering linkage and is adjusted to appropriate installation position
It sets, so that operating with more convenient and more time saving and energy saving.
Referring to fig. 4 and Fig. 5, axially extending bore 34 is preferably provided on the pull rod 30, the axially extending bore 34 connects with left-hand thread
32 coaxial line of socket part 31 and right-hand thread interconnecting piece.This makes pull rod 30 in process, can first process axially extending bore 34, then
Processing forms left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32 respectively, so that left-hand thread interconnecting piece 31 and right-hand thread interconnecting piece 32
Processing it is more convenient be easy.
Preferred embodiments of the present invention are elaborated above in conjunction with attached drawing, but the utility model is not
Be limited to above embodiment, technical field those of ordinary skill within the scope of knowledge, can also not depart from
Various changes can be made under the premise of the utility model aims.
Claims (3)
1. a kind of trailer steering linkage assembly structure, including comprising left bulb body (12) and by left bulb body (12) horizontal direction right end
The left bulb assembly (10) in the left-hand thread portion (11) of extension includes right bulb body (22) and by right bulb body (22) horizontal direction left end
The right bulb assembly (20) in the right-hand thread portion (21) of extension, both ends are respectively equipped with left-hand thread interconnecting piece (31) and right-hand thread interconnecting piece
(32) pull rod (30) and left-handed locking nut (40) and dextrorotation locking nut (50), it is characterized in that；The left bulb assembly
(10) the right-hand thread portion (21) in left-hand thread portion (11) and right bulb assembly (20) be external screw thread body and left-hand thread portion (11) and
The outer diameter in right-hand thread portion (21) is respectively smaller than the outer diameter of they and left bulb body (12) and the transition junction of right bulb body (22)
And be adapted to left-handed locking nut (40) and dextrorotation locking nut (50), the pull rod (30) generally cylindrical body, both ends
Left-hand thread interconnecting piece (31) and right-hand thread interconnecting piece (32) are internal thread hole, the left-hand thread portion of the left bulb assembly (10)
(11) and the right-hand thread portion (21) of right bulb assembly (20) respectively with the left-hand thread interconnecting piece (31) at the both ends of pull rod (30) and the right side
Threaded joints (32) connection, the left-handed locking nut (40) and dextrorotation locking nut (50) are assemblied in left bulb assembly respectively
(10) in the right-hand thread portion (21) in left-hand thread portion (11) and right bulb assembly (20), and be located at the outer end of pull rod (30) with
Between left bulb body (12) and the outer end of right bulb body (22).
2. trailer steering linkage assembly structure according to claim 1, it is characterized in that；The periphery two sides of the pull rod (30)
It is respectively equipped with bayonet (33).
3. trailer steering linkage assembly structure according to claim 1 or 2, it is characterized in that；The pull rod (30) is equipped with
Axially extending bore (34), the axially extending bore (34) and left-hand thread interconnecting piece (31) and right-hand thread interconnecting piece (32) coaxial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821314764.8U CN208789767U (en) | 2018-08-15 | 2018-08-15 | A kind of trailer steering linkage assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821314764.8U CN208789767U (en) | 2018-08-15 | 2018-08-15 | A kind of trailer steering linkage assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208789767U true CN208789767U (en) | 2019-04-26 |
Family
ID=66205631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821314764.8U Active CN208789767U (en) | 2018-08-15 | 2018-08-15 | A kind of trailer steering linkage assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208789767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725581A (en) * | 2018-08-15 | 2018-11-02 | 重庆望江工业有限公司 | A kind of trailer steering linkage assembly |
-
2018
- 2018-08-15 CN CN201821314764.8U patent/CN208789767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725581A (en) * | 2018-08-15 | 2018-11-02 | 重庆望江工业有限公司 | A kind of trailer steering linkage assembly |
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