CN211223600U - Steering gear pull rod protecting sleeve, steering gear and vehicle - Google Patents
Steering gear pull rod protecting sleeve, steering gear and vehicle Download PDFInfo
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- CN211223600U CN211223600U CN201922224022.7U CN201922224022U CN211223600U CN 211223600 U CN211223600 U CN 211223600U CN 201922224022 U CN201922224022 U CN 201922224022U CN 211223600 U CN211223600 U CN 211223600U
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Abstract
The utility model discloses a steering gear pull rod lag, steering gear and vehicle, steering gear pull rod lag includes: the protective sleeve comprises a protective sleeve body and at least one self-repairing layer covering the inner wall of the protective sleeve body. The utility model provides a steering gear pull rod lag, steering gear and vehicle, when the foreign matter of invasion withdraws from, the rete can restore the mending-leakage by oneself to damaged department, forms effective sealedly.
Description
Technical Field
The utility model relates to a steering gear accessory, more specifically relates to a steering gear pull rod lag, steering gear and vehicle.
Background
In the normal running process of the vehicle, the steering engine plays a role in transmitting steering information of a steering wheel input by a driver and assisting the driver to finish the vehicle steering intention. Typically, the steering gear includes a steering gear housing, a steering gear pinion, a steering gear rack, a rack support bearing, a steering gear tie rod, and a tie rod boot. The steering wheel steering information is transmitted to the steering machine rack through the engagement of the steering machine pinion and the steering machine rack in the driving process, and the steering pull rod is pushed through the linear movement of the steering machine rack in the steering machine shell, so that the rotating motion of wheels is realized. The rack of the steering engine is supported in the steering engine shell by a rack supporting bearing, the end part of the rack is connected with a steering pull rod, one end of a pull rod sheath is arranged on the steering pull rod, and the other end of the pull rod sheath is arranged on the steering engine shell, so that the isolation of internal parts of the steering engine from the external environment is realized, and the dry and dustless state is kept. The pull rod sheath, in the use, because influence such as road environment, assembly environment, transportation environment, can receive unexpected damage, especially foreign matter invasive damage, if contact transportation shelf in the transportation, or because clamping instrument contact in the assembly, or because road surface rubble striking in the process of traveling, lead to the pull rod sheath damaged, inside dust, sewage can get into the steering engine from the damaged department of sheath, lead to steering engine internals, take place corrosion, wearing and tearing scheduling problem like the rack to arouse to turn to the performance and descend.
Therefore, there is a need for a steering gear tie rod protector, a steering gear, and a vehicle that solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a steering gear pull rod protecting cover, a steering gear and a vehicle, so as to solve the above problems.
Based on above-mentioned purpose the utility model provides a pair of steering engine pull rod lag, include:
the protective sleeve comprises a protective sleeve body and at least one self-repairing layer covering the inner wall of the protective sleeve body.
Preferably, the opposite ends of the protecting jacket body are respectively provided with a first opening and a second opening, and the first opening and the second opening are respectively sleeved and fixed on the steering casing and the steering pull rod.
Preferably, a first fixing portion and a second fixing portion are respectively arranged on the first opening and the second opening, the first fixing portion is used for fixing the first opening and the steering gear shell, and the second fixing portion is used for fixing the second opening and the steering pull rod.
Preferably, the self-repairing layer is made of a synthetic latex material.
Preferably, the self-repairing layer is formed on the inner wall of the protective sleeve body through a spraying process.
Preferably, the thickness of the self-repairing layer is not less than 2 mm.
Preferably, the shield body is at least partially telescopic or flexible.
In addition, preferably, the protective sleeve body is made of a plastic material.
The utility model provides a steering engine, steering engine includes as foretell steering engine pull rod lag.
The utility model provides a vehicle, the vehicle includes as above-mentioned steering gear pull rod lag.
From the foregoing, it can be seen that the utility model provides a steering gear pull rod lag, steering gear and vehicle compares with prior art, has following advantage: by adopting the steering engine pull rod protective sleeve, in the use process of a vehicle, if the protective sleeve body is damaged due to the invasion of foreign matters and the foreign matters are clamped at the damaged positions, the self-repairing layer can wrap the foreign matters and fill gaps caused by the damage; once the foreign matter withdraws from, the self-repairing layer can repair the mending-leakage to the damaged department by oneself, avoids inside dust, the sewage entering turns to the quick-witted, avoids turning to the inside corrosion, wearing and tearing scheduling problem that appears of quick-witted, influences the normal use that turns to the machine.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a steering gear pull rod protecting jacket adopted in an embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of the steering gear tie rod protective sheath shown in fig. 1.
Fig. 3a to 3c are schematic diagrams illustrating a self-repairing process when a foreign object intrudes into the tie bar protecting cover of the steering gear shown in fig. 1.
Fig. 4a to 4c are schematic views of the steering gear tie rod protector shown in fig. 1 attached to a steering gear.
Wherein the reference numbers:
1: a steering housing; 2: a gear assembly; 3: a protective cover assembly; 31: a protective sleeve;
311: a protective jacket body; 312: a self-healing layer; 32: a first clamp; 33: a second clamp;
4: a steering tie rod; 5: a rack; 6: a foreign object.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic view of a steering gear pull rod protecting jacket adopted in an embodiment of the present invention. Fig. 2 is a partial cross-sectional view of the steering gear tie rod protective sheath shown in fig. 1. Fig. 3a to 3c are schematic diagrams illustrating a self-repairing process when a foreign object intrudes into the tie bar protecting cover of the steering gear shown in fig. 1. As shown in the above drawings, the steering gear link protector 31 includes: a shield body 311 and a self-repairing layer 312.
The steering gear pull rod protecting jacket comprises a protecting jacket body 311 and at least one self-repairing layer 312 covering the inner wall of the protecting jacket body 311.
Self-healing layer 312 has a very high fluid viscosity and can achieve a self-healing effect. As shown in fig. 3a to 3c, when the foreign matter 6 only pierces the shield body 311, the self-repairing layer 312 can still provide a sealing function for the shield 31; when the foreign matter 6 pierces through the protection sleeve body 311 and the self-repairing layer 312, the self-repairing layer 312 quickly wraps the foreign matter 6 under the action of pressure, and the protection sleeve 31 is still in a sealed state; when the foreign matter 6 is pulled out or is separated from the protective sleeve 31, the self-repairing layer 312 extends into a gap caused by the foreign matter 6 and fills the gap, so that the self-repairing function is realized, and the sealing effect is provided; when the foreign matter 6 is completely separated, the self-repairing layer 312 completely fills the damaged area caused by the foreign matter to ensure that the protecting jacket 31 is in a sealed state. By adopting the steering engine pull rod protective sleeve, in the use process of a vehicle, if the protective sleeve body is damaged due to the invasion of foreign matters and the foreign matters are clamped at the damaged positions, the self-repairing layer can wrap the foreign matters and fill gaps caused by the damage; in case the foreign matter withdraws from, self-repairing layer can extend to damaged department and repair the mending-leakage by oneself, avoids inside dust, the sewage entering turns to the quick-witted, avoids turning to the inside corrosion, wearing and tearing scheduling problem that appears of quick-witted, influences the normal use that turns to the machine.
In this embodiment, the self-repairing layer 312 covers the inner wall of the shield body 311 completely; the number of layers of the self-repairing layer 312 can be set according to the thickness of the protective sleeve body 311, and the larger the thickness of the protective sleeve body is, the larger the number of layers of the self-repairing layer 312 is.
In this embodiment, a waterproof layer is disposed on at least one side surface of the self-repairing layer 312, and by disposing the waterproof layer, the waterproof performance of the shield cover body 311 can be improved.
Preferably, the opposite ends of the protecting jacket body 311 are respectively provided with a first opening and a second opening, and the first opening and the second opening are respectively sleeved and fixed on the steering gear housing 1 and the steering linkage 4. During assembly, the first opening is sleeved from one side of the special pull rod, the first opening moves to one side of the steering gear shell 1 until the assembly is completed, and then the position of the second opening on the steering pull rod 4 is adjusted. With the above structure, the difficulty in assembling the protector 31, the steering link 4, and the steering housing 1 can be reduced.
In this embodiment, first opening and second opening all have scalability, and during the equipment, first opening and second opening are the state of stretching, reduce the equipment degree of difficulty of lag body 311, install behind the preset position, first opening and second opening are the contraction state, improve the leakproofness.
Preferably, a first fixing part and a second fixing part are respectively arranged on the first opening and the second opening, the first fixing part is used for realizing the fixation of the first opening and the steering housing 1, and the second fixing part is used for realizing the fixation of the second opening and the steering pull rod 4. By adding the first fixing portion and the second fixing portion, the connection strength between the first opening and the steering housing 1 and the connection strength between the second opening and the steering link 4 can be respectively enhanced, and the sealing performance is improved.
In this embodiment, the first fixing portion includes but is not limited to the first clamp 32, and the second fixing portion includes but is not limited to the second clamp 33, adopts the clamp structure as the mounting, and the dismouting is easy, and connectivity is reliable, and occupation space is few, convenient maintenance.
The self-repairing layer is a polymer with coatability and viscosity, and preferably, the self-repairing layer 312 is made of a material. The synthetic latex has high viscosity and good self-repairing effect.
Preferably, the self-repair layer 312 is formed on the inner wall of the shield case body 311 through a spray coating process. Through the spraying process, the thickness of the self-repairing layer 312 is uniform, and the forming effect is good.
Preferably, the thickness of self-healing layer 312 is not less than 2 mm. By increasing the thickness of the self-repair layer 312, the self-repair effect is ensured.
In the present embodiment, the total thickness of the self-repairing layer 312 is 2 to 3 mm. The thickness of the self-repairing layer 312 is not less than the thickness of the shield body 311.
Preferably, the shield body 311 is at least partially telescopic or bendable. The flexibility or flexibility of the protective cover body 311 may increase the flexibility of the protective cover body 311 due to the flexibility or flexibility of the protective cover body 311 during use or installation.
In this embodiment, the first and second openings of the shield body 311 are non-bellows shaped; the first opening and the second opening are in a corrugated pipe shape between the two openings.
In addition, preferably, the protective cover body is made of plastic materials. The plastic material can reduce the production cost, and has good molding effect and good sealing property.
The use of the steering linkage protective cover is further described below.
The protecting sleeve 31 is sleeved and connected on the steering pull rod 4, and the first opening is sleeved with the steering machine shell 1 and fixed through the first hoop 32; the second opening is sleeved with the steering linkage 4 and is fixed by a second clamp 33.
When the foreign matter 6 only pierces the shield body 311, the self-repairing layer 312 can still provide a sealing effect for the shield 31; when the foreign matter 6 pierces through the protection sleeve body 311 and the self-repairing layer 312, the self-repairing layer 312 quickly wraps the foreign matter 6 under the action of pressure, and the protection sleeve 31 is still in a sealed state; when the foreign matter 6 is pulled out or is separated from the protective sleeve 31, the self-repairing layer 312 extends into a gap caused by the foreign matter 6 and fills the gap, so that the self-repairing function is realized, and the sealing effect is provided; when the foreign matter 6 is completely separated, the self-repairing layer 312 completely fills the damaged area caused by the foreign matter to ensure that the protecting jacket 31 is in a sealed state.
Fig. 4a to 4c are schematic views of the steering gear tie rod protector shown in fig. 1 attached to a steering gear. As shown in fig. 4, the utility model provides a steering engine, steering engine include as above-mentioned steering engine pull rod lag.
In the embodiment, the steering gear comprises a steering gear shell 1, a gear assembly 2, a protective sleeve assembly 3, a steering pull rod 4 and a rack 5; the protecting sleeve assembly 3 comprises a protecting sleeve 31, the protecting sleeve 31 comprises a protecting sleeve body 311 and a self-repairing layer 312 arranged on the inner wall of the protecting sleeve body 311, the protecting sleeve 31 is sleeved on the steering pull rod 4, and the self-repairing layer 312 faces the steering pull rod; a first opening and a second opening are respectively arranged at two opposite ends of the protective sleeve 31, the first opening is sleeved and connected on the steering gear shell 1, and the opposite positions are fixed through a first clamp 32; the second opening is sleeved and connected on the steering pull rod 4, and the relative position is fixed through a second hoop 33; one end of a rack 5 is connected with a steering pull rod, and the other end of the rack 5 is inserted into a rack support bearing of the steering housing 1 and is meshed with a gear assembly 2 in the steering housing. When the steering engine runs, the gear assembly 2 receives the steering angle input of the steering wheel, the gear assembly 2 pushes the rack 5 to move along the inner ring of the rack support bearing in the steering engine shell 1, and pushes the steering pull rod 4 and the protective sleeve 31 to stretch or compress correspondingly, so that the wheels are pushed to rotate, and the vehicle steering intention is realized.
The utility model provides a vehicle, vehicle include as above-mentioned steering gear pull rod lag.
As can be seen from the above description and practice, the present invention provides a steering gear pull rod protecting jacket, a steering gear and a vehicle, which have the following advantages compared with the prior art: by adopting the steering engine pull rod protective sleeve, in the use process of a vehicle, if the protective sleeve body is damaged due to the invasion of foreign matters and the foreign matters are clamped at the damaged positions, the self-repairing layer can wrap the foreign matters and fill gaps caused by the damage; once the foreign matter withdraws from, the self-repairing layer can repair the mending-leakage to the damaged department by oneself, avoids inside dust, the sewage entering turns to the quick-witted, avoids turning to the inside corrosion, wearing and tearing scheduling problem that appears of quick-witted, influences the normal use that turns to the machine.
Those of ordinary skill in the art will understand that: the above description is only for the specific embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steering gear pull rod lag, comprising:
the protective sleeve comprises a protective sleeve body and at least one self-repairing layer covering the inner wall of the protective sleeve body.
2. Steering gear tie bar protective cover according to claim 1,
the two opposite ends of the protection sleeve body are respectively provided with a first opening and a second opening, and the first opening and the second opening are respectively sleeved and fixed on a steering gear shell and a steering pull rod.
3. Steering gear tie rod protective cover according to claim 2,
the first opening and the second opening are respectively provided with a first fixing part and a second fixing part, the first fixing part is used for fixing the first opening and the steering engine shell, and the second fixing part is used for fixing the second opening and the steering pull rod.
4. Steering gear tie bar protective cover according to any one of claims 1 to 3,
the self-repairing layer is made of synthetic latex materials.
5. Steering gear tie bar protective cover according to any one of claims 1 to 3,
the self-repairing layer is formed on the inner wall of the protective sleeve body through a spraying process.
6. Steering gear tie bar protective cover according to any one of claims 1 to 3,
the thickness of the self-repairing layer is not less than 2 mm.
7. Steering gear tie bar protective cover according to any one of claims 1 to 3,
the shield body is at least partially retractable or bendable.
8. Steering gear tie bar protective cover according to any one of claims 1 to 3,
the protective sleeve body is made of plastic materials.
9. A steering gear comprising a steering gear tie rod protective sheath according to any one of claims 1 to 8.
10. A vehicle, characterized in that it comprises a steering tie rod protective cover according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224022.7U CN211223600U (en) | 2019-12-12 | 2019-12-12 | Steering gear pull rod protecting sleeve, steering gear and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224022.7U CN211223600U (en) | 2019-12-12 | 2019-12-12 | Steering gear pull rod protecting sleeve, steering gear and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211223600U true CN211223600U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922224022.7U Active CN211223600U (en) | 2019-12-12 | 2019-12-12 | Steering gear pull rod protecting sleeve, steering gear and vehicle |
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| CN (1) | CN211223600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208635A (en) * | 2020-09-03 | 2021-01-12 | 盐城市步高汽配制造有限公司 | Self-repairing type steering pull rod |
-
2019
- 2019-12-12 CN CN201922224022.7U patent/CN211223600U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208635A (en) * | 2020-09-03 | 2021-01-12 | 盐城市步高汽配制造有限公司 | Self-repairing type steering pull rod |
| CN112208635B (en) * | 2020-09-03 | 2023-01-24 | 盐城市步高汽配制造有限公司 | Self-repairing type steering pull rod |
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