CN208897164U - A kind of motor turning pull rod of self-locking structure - Google Patents
A kind of motor turning pull rod of self-locking structure Download PDFInfo
- Publication number
- CN208897164U CN208897164U CN201821806810.6U CN201821806810U CN208897164U CN 208897164 U CN208897164 U CN 208897164U CN 201821806810 U CN201821806810 U CN 201821806810U CN 208897164 U CN208897164 U CN 208897164U
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- CN
- China
- Prior art keywords
- pull rod
- screw thread
- rod
- self
- rod body
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- 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.)
- Expired - Fee Related
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model is a kind of motor turning pull rod of self-locking structure, including the pull rod body of rod and the connector assembly for being installed in pull rod body of rod both ends；Connector assembly center tap shell is connected by external screw thread with the internal screw thread of the pull rod body of rod, connector shell is equipped with ball stud by ball bowl, the front end of ball stud is equipped with taper and is equipped with screw thread, the rear end of ball stud is equipped with rear cover, dust cover is additionally provided with outside taper and connector shell, wherein the pull rod body of rod is purification solid drawn tube structure, is screwed with Self-lock nut on the screw thread.The motor turning pull rod of the utility model self-locking structure can prevent connection from loosening, improve the service life using threaded connection from lock technology；Ball stud does not have to processing cotter-pin hold；Ball stud does not have to split pin after connecting with Self-lock nut 30 and carries out locking；It is that processing becomes simple and easy, it is easy to assembly, simply, while increasing reliability.
Description
Technical field
The utility model belongs to vehicle application technology field, in particular to the motor turning pull rod of a kind of self-locking structure.
Background technique
Steering linkage is set in automobile steering system, and effect is that the power for transmitting pitman arm and movement are transmitted to steering ladder
Shape arm (or knuckle arm).The existing pulling force of power suffered by it also has pressure, therefore Drag link is all using high-quality special steel material system
It makes, to guarantee reliable operation.
Deflected in deflecting roller or due to suspension flexibility deformation relative to vehicle frame bounce when, steering drag link and pitman arm and
The relative motion of knuckle arm is all spatial movement, and in order not to which movement interference occurs, above-mentioned triangular connection all uses ball pin；
And ball stud is tightened by slotted nut after connecting with arm and is lockked again with split pin, is taken off after preventing nut loosening.
In the prior art as shown in Figure 1, 2, including the pull rod body of rod 1 and the connector assembly 2 for being installed in pull rod body of rod both ends；It connects
Head 2 center tap shell 24 of assembly is connected by the internal screw thread 11 of external screw thread 13 and the pull rod body of rod 1, and connector shell 24 is equipped with by ball bowl 22
Ball stud 21, the front end of ball stud 21 are equipped with taper 26 and are equipped with screw thread 27, and screw thread 27 is cased with slotted nut 28 and that is passed through
Split pin 29 is locked, and the rear end of ball stud 21 is equipped with rear cover 23, and dust cover 25 is additionally provided with outside taper 26 and connector shell 24.
This structure cannot be guaranteed not loosen between ball pin and arm, once loosen the taper that will result in 21 front end of ball stud
26 and arm abrasion and looseness；It must increase when processing ball stud 21 and bore cotter-pin hold and the process of falling orifice angle；It must in assembly
It must be equipped with 27 part of split pin, and the slot of slotted nut 26 and cotter-pin hold could be packed into positive.
Summary of the invention
Existing pull rod body of rod manufacturing procedure is many and diverse, assembly efficiency is low, service life is short in order to solve for the utility model, proposes
A kind of motor turning pull rod of self-locking structure.
The technical solution of the utility model is a kind of motor turning pull rod of self-locking structure thus, including 1 He of the pull rod body of rod
It is installed in the connector assembly 2 at pull rod body of rod both ends；2 center tap shell 24 of connector assembly is interior by external screw thread 13 and the pull rod body of rod 1
Screw thread 11 connects, and connector shell 24 is equipped with ball stud 21 by ball bowl 22, and the front end of ball stud 21 is equipped with taper 26 and is equipped with screw thread
27, the rear end of ball stud 21 is equipped with rear cover 23, is additionally provided with dust cover 25 outside taper 26 and connector shell 24, wherein the pull rod body of rod 1 is
Refine solid drawn tube structure, it is characterised in that: be screwed with Self-lock nut 30 on the screw thread 27.
Further improvement is that it is equipped with fluting 12 along the length direction of the pull rod body of rod 1 in 1 body of pull rod bar,
The length of middle fluting 12 is less than the length of internal screw thread 11；Connector assembly is spiral shell in the corresponding both ends with the pull rod body of rod 1 of external screw thread 13
11 spinning of line forms adjustable motor turning pull rod；
It is equipped with anchor ear 3 in 12 outer radial of fluting of the pull rod body of rod 1, makes the external screw thread 13 of connector assembly 2 and the pull rod body of rod 1
Both ends internal screw thread 11 shrinks locking by 12 positions of fluting and forms holding state.
Further improvement is that sealing strip 4 is equipped at the fluting 12 of the pull rod body of rod 1, the sealing strip 4 and fluting
12 cooperation insertions, and sealing strip 4 and fluting 12 are formed into holding state by anchor ear.
Further improvement is that being additionally provided with outside the external screw thread 13 of the connector assembly 2 and the both ends of the pull rod body of rod 1 anti-
Shield 5.
Further improvement is that the shield 5 is ripple elastic protective bellows.
The utility model has the advantages that
The motor turning pull rod of the utility model self-locking structure can prevent from connecting using threaded connection from lock technology
It loosens, improves the service life；Ball stud does not have to processing cotter-pin hold；Ball stud, which does not have to split pin after connecting with Self-lock nut 30, to carry out
Locking；It is that processing becomes simple and easy, it is easy to assembly, simply, while increasing reliability.
The utility model motor turning pull rod can also realize adjusting, while the motor turning pull rod after adjusting passes through anchor ear
Split groove location shrinks locking formation holding and forms stationary state, also makes in the external screw thread of connector assembly and the both ends of the pull rod body of rod
It is threaded through the contraction locking of fluting position and forms holding state, reach sealing at this time, improve product service life.
The sealing strip and slotted engagement insertion, and sealing strip and fluting are formed into holding state by anchor ear, it is close at this time
Envelope state is more preferable, improves reliability.
Shield is installed at connector assembly exposed threads position；Shield is ripple elastic protective bellows, it is made to have a flexibility
Connection relationship, not only act as protective action, can also there is certain scope of activities, increase reliability.
Detailed description of the invention
Fig. 1 is original structure general assembly schematic diagram.
Fig. 2 is the structural schematic diagram of original structure center tap assembly 2.
Fig. 3 is the structural schematic diagram of the utility model.
Fig. 4 is the utility model connecting portion schematic cross-sectional view.
Fig. 5 is connecting portion fluting schematic diagram.
The 1 pull rod body of rod in figure, 2 be connector assembly, and 3 be anchor ear, and 4 be sealing strip, and 5 be shield, and 11 be internal screw thread, and 12 are
Fluting, 13 be external screw thread, and 21 be ball stud, and 22 be ball bowl, and 23 be rear cover, and 24 be connector shell, and 25 be dust cover, and 26 be taper,
27 be screw thread, and 28 be slotted nut, and 29 be split pin, and 30 be Self-lock nut.
Specific embodiment
The utility model is as shown in Fig. 3,4,5.
A kind of motor turning pull rod of self-locking structure, it is total including the pull rod body of rod 1 and the connector for being installed in pull rod body of rod both ends
At 2；2 center tap shell 24 of connector assembly is connected by the internal screw thread 11 of external screw thread 13 and the pull rod body of rod 1, and connector shell 24 passes through ball bowl
22 are equipped with ball stud 21, and the front end of ball stud 21 is equipped with taper 26 and is equipped with screw thread 27, and the rear end of ball stud 21 is equipped with rear cover 23,
It is additionally provided with dust cover 25 outside taper 26 and connector shell 24, wherein the pull rod body of rod 1 is purification solid drawn tube structure, the spiral shell
Self-lock nut 30 is screwed on line 27.
It is equipped with fluting 12 along the length direction of the pull rod body of rod 1 in 1 body of pull rod bar, wherein the length of fluting 12 is less than
The length of internal screw thread 11；Connector assembly forms adjustable for 11 spinning of both ends internal screw thread of the correspondence of external screw thread 13 and the pull rod body of rod 1
Motor turning pull rod；
It is equipped with anchor ear 3 in 12 outer radial of fluting of the pull rod body of rod 1, makes the external screw thread 13 of connector assembly 2 and the pull rod body of rod 1
Both ends internal screw thread 11 shrinks locking by 12 positions of fluting and forms holding state.
Sealing strip 4 is equipped at the fluting 12 of the pull rod body of rod 1, the sealing strip 4 and 12 cooperation of fluting are embedded in, and will
Sealing strip 4 and fluting 12 pass through anchor ear formation holding state.
Shield 5 is additionally provided with outside the external screw thread 13 of the connector assembly 2 and the both ends of the pull rod body of rod 1.
The shield 5 is ripple elastic protective bellows.
Claims (5)
1. a kind of motor turning pull rod of self-locking structure, including the pull rod body of rod (1) and it is installed in the connector at the pull rod body of rod (1) both ends
Assembly (2)；Connector assembly (2) center tap shell (24) is connect by the connection of the internal screw thread (11) of external screw thread (13) and the pull rod body of rod (1)
Head capsule (24) is equipped with ball stud (21) by ball bowl (22), and the front end of ball stud (21) is equipped with taper (26) and is equipped with screw thread
(27), the rear end of ball stud (21) is equipped with rear cover (23), is additionally provided with dust cover (25) outside taper (26) and connector shell (24), wherein
The pull rod body of rod (1) is purification solid drawn tube structure, it is characterised in that: is screwed with Self-lock nut on the screw thread (27)
(30).
2. a kind of motor turning pull rod of self-locking structure according to claim 1, it is characterised in that: in the pull rod body of rod
(1) it is equipped with fluting (12) along the length direction of the pull rod body of rod (1), wherein the length of fluting (12) is less than the length of internal screw thread (11)
Degree；Connector assembly is that external screw thread (13) corresponding both ends internal screw thread (11) spinning with the pull rod body of rod (1) forms adjustable automobile
Steering linkage；
Fluting (12) outer radial in the pull rod body of rod (1) is equipped with anchor ear (3), makes the external screw thread (13) and pull rod of connector assembly (2)
The both ends internal screw thread (11) of the body of rod (1) shrinks locking by fluting (12) position and forms holding state.
3. a kind of motor turning pull rod of self-locking structure according to claim 2, it is characterised in that: in the pull rod body of rod
(1) sealing strip (4) are equipped at fluting (12), the sealing strip (4) and fluting (12) cooperation are embedded in, and by sealing strip (4) and
Fluting (12) passes through anchor ear and forms holding state.
4. a kind of motor turning pull rod of self-locking structure according to claim 1 or 2, it is characterised in that: in the connector
Shield (5) are additionally provided with outside the external screw thread (13) of assembly (2) and the both ends of the pull rod body of rod (1).
5. a kind of motor turning pull rod of self-locking structure according to claim 4, it is characterised in that: the shield
It (5) is ripple elastic protective bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806810.6U CN208897164U (en) | 2018-11-05 | 2018-11-05 | A kind of motor turning pull rod of self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806810.6U CN208897164U (en) | 2018-11-05 | 2018-11-05 | A kind of motor turning pull rod of self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208897164U true CN208897164U (en) | 2019-05-24 |
Family
ID=66577503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821806810.6U Expired - Fee Related CN208897164U (en) | 2018-11-05 | 2018-11-05 | A kind of motor turning pull rod of self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208897164U (en) |
-
2018
- 2018-11-05 CN CN201821806810.6U patent/CN208897164U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20211105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |