CN110254511B - Steering tie rod with composite constant-pressure cavity having unidirectional oil transportation protection - Google Patents
Steering tie rod with composite constant-pressure cavity having unidirectional oil transportation protection Download PDFInfo
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- CN110254511B CN110254511B CN201910591132.9A CN201910591132A CN110254511B CN 110254511 B CN110254511 B CN 110254511B CN 201910591132 A CN201910591132 A CN 201910591132A CN 110254511 B CN110254511 B CN 110254511B
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- pull rod
- head
- rod
- cavity
- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
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- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a steering tie rod with a composite constant pressure cavity and unidirectional oil transportation protection, which structurally comprises: the improved ball head is vertically and fixedly connected with the top of the screw seat, the middle parts of the ball head and the screw seat are protected by the dust cover, the internal thread of the connecting screw seat is tightly attached to the external thread of the regulator on the left side of the pull rod, and the pull rod vertically penetrates through the center of the pull rod assembly.
Description
Technical Field
The invention relates to an automobile accessory, in particular to a steering tie rod with a composite constant-pressure cavity and unidirectional oil transportation protection.
Background
The tie rod is the important part among the automobile steering mechanism, and it plays the effect of transmission motion in the steering system, and the stability of direct influence car manipulation, the mode that current most car adopted hydraulic pressure helping hand is convenient for the driver and is turned to fast, but because the reason of road conditions can lead to the fact certain influence to the tie rod of bottom:
because the joint of the tie rod is of a bulb type, the wearing condition is easy to occur when the pothole dirt road walks, and in case of more displacement, impurities can enter the ball shaft in shaking, the steering is insensitive, the tire eating condition of excessive wear of the single side of the tire can also occur under the condition of long-time walking, and the impurities in the inner part can not be well removed under the condition of replacing the outer rubber ring.
Disclosure of Invention
In order to solve the problems, the invention provides a steering tie rod with a composite constant-pressure cavity and unidirectional oil transportation protection.
In order to achieve the purpose, the invention is realized by the following technical scheme: a steering tie rod with a composite constant-pressure cavity and unidirectional oil transportation protection structurally comprises: bulb, dust cover, connection screw seat, regulator, pull rod close the piece, the top of the perpendicular fixed connection screw seat of bulb, and the protection of dust cover is passed through at the two middle part, the internal thread of connecting the screw seat closely laminates with the external screw thread of the left regulator of pull rod, the pull rod runs through the center that the pull rod closed the piece perpendicularly, and it includes to state pull rod close piece inner structure: the constant pressure sensing head is tightly buckled in an end socket groove on the left side of the sealing solenoid, and the connecting shaft rod head is horizontally fixed on the right side of the sealing solenoid and tightly attached to a pull rod in the middle.
As a further improvement of the invention, the constant-pressure sensing head consists of two nesting clamps, a pressure sensor, an auxiliary rod, a waterproof slot and a synchronous nesting clamp, wherein the two nesting clamps are arranged at the upper side and the lower side of the pressure sensor, the auxiliary rod is horizontally fixed at the left side of the nesting clamps, the waterproof slot is arranged at the top of the synchronous nesting clamps, and the synchronous nesting clamp is tightly buckled on the surface wall of the pull rod.
As a further improvement of the invention, the sealing solenoid consists of a balance washer, a cavity and a wear-resistant base pad, wherein the balance washer is tightly attached to the inner wall of the end head on the left side of the cavity, the wear-resistant base pad is arranged on the right side of the cavity, and the outer diameter of the wear-resistant base pad is consistent with that of a shaft ring of the connecting shaft rod head.
The invention further improves the structure, the connecting shaft head comprises a single-direction oil guide seat, an anti-shake spring, an embedded shaft and a concentric shaft, the embedded shaft penetrates through the inner ring of the single-direction oil guide seat and is tightly attached to the surface wall, a groove in the embedded shaft is tightly matched with the anti-shake spring, and the embedded shaft penetrates through the center of the single-direction oil guide seat and is welded with the concentric shaft on the right side to form an integral structure.
As a further improvement of the invention, the one-way oil guide seat consists of a shunt base plate, a ferrule, an extrusion ring plate, an anti-skid washer and an oil containing bottom ring, wherein the shunt base plate is tightly fit with the inner side of the ferrule, the extrusion ring plate is arranged on the right side of the ferrule and is parallel to the ferrule, and the right surface wall of the oil containing bottom ring is tightly fit with the ground of the anti-skid washer.
As a further improvement of the invention: the extrusion annular plate is annular, and is equipped with the elastic seal circle with concentric shaft table wall contact surface.
As a further improvement of the invention, the inner wall of the cavity is of a hollow structure and is communicated with the inside of the balance washer.
As a further improvement of the invention, the single-guide oil guide seat is internally provided with a conical hole and is nested with the embedded shaft.
As a further improvement of the invention, the contact surface of the concentric shaft and the oil containing bottom ring is a polygonal rod body.
As a further improvement of the invention, the inner wall of the balance washer is provided with a convex end point.
The invention has the beneficial effects that:
difficult the perception after the automobile drag link is damaged, the problem that the bulb junction's envelope damage caused the inconvenience of operation easily is optimized, carry out surperficial control to damage through the inside constant voltage of cavity, and in case the inside enough time of still can protecting of outside damage maintains, and the mode of inside oiling is one-way oiling, can extrude fatlute from the gap, avoids causing the unable prosthetic condition in getting into the gap with outside impurity at the in-process of clearance simultaneously.
In conclusion, the external protective sleeve is detected through the balance pressure after improvement, and meanwhile, the single-direction oil guide seat is assisted inside to prevent impurities from entering an inner seam during stirring of the ball head in the process of maintenance and repair and walking on a bumpy road, so that the influence of the impurities on the operation flexibility is reduced.
Drawings
Fig. 1 is a schematic structural view of a tie rod with a composite constant pressure chamber having unidirectional oil transportation protection according to the present invention.
FIG. 2 is a schematic structural diagram of the tie bar assembly of the present invention.
Fig. 3 is a schematic structural diagram of the constant voltage sensing head of the present invention.
Fig. 4 is a schematic structural view of a sealing coil according to the present invention.
FIG. 5 is a schematic view of the structure of the shaft connecting rod head of the present invention.
FIG. 6 is a schematic view of the structure of the single direction oil guide seat of the present invention.
FIG. 7 is a schematic cross-sectional view of a coaxial and embedded shaft according to the present invention.
FIG. 8 is a schematic view of a separated structure of the single direction oil guide seat of the present invention.
Fig. 9 is a schematic cross-sectional view of a diverter plate according to the present invention.
FIG. 10 is a schematic cross-sectional view of the chamber of the present invention.
In the figure: the device comprises a ball head-1, a dust cover-2, a connecting screw seat-3, a regulator-4, a pull rod-5, a pull rod assembly-6, a constant pressure sensing head-61, a sealing screw pipe-62, a connecting shaft rod head-63, a nesting clamp-611, a pressure sensor-612, an auxiliary rod-613, a waterproof slot-614, a synchronous nesting clamp-615, a balance washer-621, a cavity-622, a wear-resistant base pad-623, a one-way oil guide seat-631, an anti-shake spring-632, a nesting shaft-633, a concentric shaft-634, a flow dividing base plate-6311, a ferrule-6312, a squeezing ring plate-6313, an anti-slip washer-6314 and an oil containing base ring-6315.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the invention easy to understand, fig. 1 to fig. 10 schematically show the structure of the pull rod assembly of the embodiment of the invention, and the invention is further explained below with reference to the specific embodiment.
Examples
As shown in fig. 1 to 10, the present invention provides a tie rod with a composite constant pressure chamber and unidirectional oil transportation protection, which structurally comprises: bulb 1, dust cover 2, connection screw seat 3, regulator 4, pull rod 5, pull rod close 6, the top of 1 perpendicular fixed connection screw seat 3 of bulb, and the two middle part is protected through dust cover 2, the internal thread of connecting screw seat 3 closely laminates with the external screw thread of 5 left regulators 4 of pull rod, pull rod 5 runs through the center that the pull rod closes 6 perpendicularly, states 6 inner structure of pull rod close and includes: the constant pressure sensing head 61, the sealed solenoid 62, even axle head 63, the tight lock of constant pressure sensing head 61 is in the tip recess on the left of sealed solenoid 62, even axle head 63 level is fixed on the right side of sealed solenoid 62 and is closely laminated with the pull rod 5 at middle part.
As a further improvement of the present invention, the constant pressure sensing head 61 is composed of two nesting clamps 611, a pressure sensor 612, an auxiliary rod 613, a waterproof slot 614 and a synchronous clamp 615, the nesting clamps 611 are arranged at the upper and lower sides of the pressure sensor 612, the auxiliary rod 613 is horizontally fixed at the left side of the nesting clamps 611, the waterproof slot 614 is arranged at the top of the synchronous clamp 615, and the synchronous clamp 615 is tightly buckled on the surface wall of the pull rod 5.
As a further improvement of the invention, the seal solenoid 62 is composed of a balance washer 621, a cavity 622 and a wear-resistant base pad 623, the balance washer 621 is tightly attached to the inner wall of the end head on the left side of the cavity 622, the wear-resistant base pad 623 is arranged on the right side of the cavity 622, and the outer diameter of the wear-resistant base pad 623 is consistent with the outer diameter of the shaft ring of the connecting shaft rod head 63.
In a further improvement of the present invention, the shaft connecting head 63 comprises a one-way oil guide 631, an anti-vibration spring 632, a fitting shaft 633 and a concentric shaft 634, wherein the fitting shaft 633 penetrates through an inner ring of the one-way oil guide 631 and a surface wall thereof is tightly attached to the inner ring, a groove inside the fitting shaft 633 is tightly fitted to the anti-vibration spring 632, and the fitting shaft 633 penetrates through a center of the one-way oil guide 631 and is welded to the right concentric shaft 634 to form an integral structure.
As a further improvement of the present invention, the one-way oil guide 631 comprises a shunt pad 6311, a ferrule 6312, a pressing ring 6313, an anti-slip washer 6314, and an oil-containing bottom ring 6315, the shunt pad 6311 is tightly fitted inside the ferrule 6312, the pressing ring 6313 is disposed at the right side of the ferrule 6312 and parallel to each other, and the right surface wall of the oil-containing bottom ring 6315 is tightly fitted to the ground of the anti-slip washer 6314.
As a further improvement of the invention: the extrusion ring plate 6313 is annular, and is provided with an elastic sealing ring on the surface wall contact surface with the concentric shaft 634, so that the insufficient pressure of the extrusion of the lubricating oil is avoided, and a certain dustproof effect can be achieved.
As a further improvement of the present invention, the inner wall of the cavity 622 is a hollow structure and is communicated with the inside of the balance washer 621, and the hollow structure is provided with two layers capable of performing pressure detection and performing secondary protection on a damaged rod body.
As a further improvement of the present invention, the one-way oil guide 631 is provided with a tapered hole inside and is nested with the embedded shaft 633, which is beneficial to the extrusion of the wire by the lubricating oil and avoids the blockage of excessive air.
As a further improvement of the present invention, the surface of the concentric shaft 634 contacting the oil-containing bottom ring 6315 is a polygonal rod body, and the flat surface enables the lubricating oil to enter the flow-dividing pad 6311 along the surface.
As a further improvement of the present invention, the end points of the inner wall of the balancing washer 621 provided with protrusions protect the inner end surface from excessive friction, and are also beneficial to anti-skid.
The working principle is as follows:
the edge of the ball head 1 is arranged at the top of the connecting screw base 3 through the dust cover 2 and is connected with a triangular arm in an automobile shock absorption system, the length of the ball head and the length of the pull rod 5 are adjusted through the adjuster 4 on the right side so as to be convenient for fine adjustment of the toe-in direction, and once the ball head is not aligned, the 'tire eating' condition can easily occur.
The pressure sensor 612 is arranged in the middle of the nesting clamp 611 of the constant pressure sensing head 61 in the pull rod assembly 6, the nesting clamp 611 is buckled with the end of the cavity 622 in the sealing solenoid 62, after the fixation, the pressure sensor 612 can keep a certain extrusion signal, once the pressure at the position of the cavity 622 where the damaged balance washer 621 is reduced and becomes loose, the pressure sensor 612 emits an electric signal after the pressure is greatly changed, the central controller of the automobile receives an alarm to prompt a driver to maintain the automobile as soon as possible, and the pressure sensor 612 is connected with the waterproof slot 614 at the top through a wire protected by the shielding net, and the mode of adopting the metal net and then performing glue filling and sealing treatment is favorable for playing a role of shielding to avoid the situation that the signal is interfered and the false alarm occurs, the inner layer can still keep a sealing state for a period of time after the cavity 622 is damaged, so that the maintenance can be carried out in time to avoid excessive dust and impurities from entering the vicinity of the lubricating ball head.
When the cavity 622 is replaced, the embedded shaft 633 and the concentric shaft 634 of the one-way oil guide seat 631 can be detached to replace lubricating oil, the lubricating oil is smeared in the oil containing bottom ring 6315 of the ferrule 6312 at the rear end of the shunting cushion 6311, the extrusion ring plate 6313 and the shunting cushion 6311 are gradually close to each other during installation, the lubricating oil enters the embedded shaft 633 along an oil path inside the shunting cushion 6311 and then extrudes residual oil dirt and impurities inside from the side seam of the ball head through internal outward extrusion, therefore, the lubricating effect near the ball head after replacement can be optimal, and the condition that the lubricating oil caking aged inside is caused by high temperature generated by meshing to cause poor lubrication can be avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A steering tie rod with a composite constant-pressure cavity and unidirectional oil transportation protection structurally comprises: bulb (1), dust cover (2), connection screw seat (3), regulator (4), pull rod (5), pull rod closes piece (6), its characterized in that:
the ball head (1) is vertically and fixedly connected with the top of the screw seat (3), the middle parts of the ball head and the screw seat are protected by the dust cover (2), the internal thread of the connecting screw seat (3) is tightly attached to the external thread of the regulator (4) on the left side of the pull rod (5), and the pull rod (5) vertically penetrates through the center of the pull rod assembly (6);
the internal structure of the pull rod assembly (6) comprises: constant voltage perception head (61), sealed solenoid (62), shaft connecting rod head (63), the inseparable lock of constant voltage perception head (61) is in the left end recess of sealed solenoid (62), shaft connecting rod head (63) level is fixed on the right side of sealed solenoid (62) and is closely laminated with pull rod (5) at middle part, constant voltage perception head (61) is pressed from both sides (611), pressure sensing (612), auxiliary rod (613), waterproof slot (614), synchronous collet (615) are constituteed by nested, nested clamp (611) is equipped with two and installs the upper and lower both sides at pressure sensing (612), auxiliary rod (613) level is fixed in the left side of nested clamp (611), waterproof slot (614) are installed at the top of synchronous collet (615), the inseparable lock of synchronous collet (615) is at the table wall of pull rod (5).
2. The tie rod with unidirectional oil transportation protection of a composite constant pressure cavity of claim 1, wherein: seal solenoid (62) by balanced packing ring (621), cavity (622), wear-resisting heelpiece (623) constitute, balanced packing ring (621) closely laminate the inner wall at the left end of cavity (622), wear-resisting heelpiece (623) are installed on the right side of cavity (622), and the external diameter is unanimous with the shaft collar external diameter of connecting the shaft head (63).
3. The tie rod with unidirectional oil transportation protection of a composite constant pressure cavity of claim 1, wherein: even axle head (63) lead oil seat (631), anti-shake spring (632), inlay axle (633), coaxial (634) by one-way and constitute, inlay axle (633) and run through the inner circle of one-way oil seat (631) and the surface wall is closely laminated, inlay the inside recess of axle (633) and closely agree with anti-shake spring (632), inlay axle (633) run through the center of one-way oil seat (631) and with right side coaxial (634) welding formation body structure.
4. The tie rod with unidirectional oil transportation protection of a composite constant pressure cavity of claim 3, wherein: unilateral guide oil seat (631) comprises reposition of redundant personnel backing plate (6311), lasso (6312), extrusion ring board (6313), anti-skidding packing ring (6314), flourishing oil bottom ring (6315), reposition of redundant personnel backing plate (6311) closely agrees with the inboard at lasso (6312), extrusion ring board (6313) are installed on the right side of lasso (6312) and the two is parallel to each other, flourishing oil bottom ring (6315) right side table wall closely laminates with anti-skidding packing ring (6314) ground.
5. The tie rod with unidirectional oil transportation protection of a composite constant pressure cavity of claim 4, wherein: the extrusion ring plate (6313) is annular, and an elastic sealing ring is arranged on the surface wall contact surface of the extrusion ring plate and the concentric shaft (634).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591132.9A CN110254511B (en) | 2019-07-02 | 2019-07-02 | Steering tie rod with composite constant-pressure cavity having unidirectional oil transportation protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591132.9A CN110254511B (en) | 2019-07-02 | 2019-07-02 | Steering tie rod with composite constant-pressure cavity having unidirectional oil transportation protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110254511A CN110254511A (en) | 2019-09-20 |
| CN110254511B true CN110254511B (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910591132.9A Active CN110254511B (en) | 2019-07-02 | 2019-07-02 | Steering tie rod with composite constant-pressure cavity having unidirectional oil transportation protection |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524615A (en) * | 1976-04-02 | 1978-09-13 | Automotive Prod Co Ltd | Ball joint assembly |
| EP2039588A1 (en) * | 2007-09-24 | 2009-03-25 | Kwang Yang Motor Co., Ltd. | Constraint mechanism for steering device of four-wheeled vehicle |
| KR20140135323A (en) * | 2013-05-15 | 2014-11-26 | 주식회사 만도 | Steering Apparatus for Vehicle |
| CN204210556U (en) * | 2014-09-29 | 2015-03-18 | 东风小康汽车有限公司重庆分公司 | Horizontal drawing lever for car steering bulb assembly |
| US20160362132A1 (en) * | 2015-06-09 | 2016-12-15 | Hyundai Motor Company | Tie rod end and method for manufacturing thereof |
| CN108489687A (en) * | 2018-04-04 | 2018-09-04 | 常州蓝森环保设备有限公司 | A kind of air-tightness detection device |
| CN208417955U (en) * | 2018-04-16 | 2019-01-22 | 李晓菲 | A kind of safety device detecting oil and gas pipeline gas leakage |
| CN208544330U (en) * | 2018-07-11 | 2019-02-26 | 玉环恒鑫机械有限公司 | Pull rod shell |
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2019
- 2019-07-02 CN CN201910591132.9A patent/CN110254511B/en active Active
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| CN110254511A (en) | 2019-09-20 |
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Effective date of registration: 20200612 Address after: 318000 Xuanmen industrial city, Lupu Town, Yuhuan City, Taizhou City, Zhejiang Province Applicant after: ZHEJIANG LIZHONG AUTOMOBILE CHASSIS PARTS Co.,Ltd. Address before: 325309 Xiashizhuang Village, Baizhangwei Town, Wencheng County, Wenzhou City, Zhejiang Province Applicant before: Zhao Xianju |
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