CN211624193U - Front axle main pin sealing structure for truck - Google Patents
Front axle main pin sealing structure for truck Download PDFInfo
- Publication number
- CN211624193U CN211624193U CN202020093942.XU CN202020093942U CN211624193U CN 211624193 U CN211624193 U CN 211624193U CN 202020093942 U CN202020093942 U CN 202020093942U CN 211624193 U CN211624193 U CN 211624193U
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- main pin
- steering knuckle
- cover
- hole
- swizzle
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Abstract
The utility model discloses a front axle main pin sealing structure for a truck, which comprises a main pin cover assembly, an O-shaped sealing ring, a hole elastic check ring, a dust cover, a steering knuckle and a main pin, wherein the main pin cover assembly comprises a main pin cover and a lubricating grease nipple assembly; the main pin is arranged in the steering knuckle, the main pin cover assembly is arranged at the upper end of the steering knuckle, the hole is arranged in an annular groove of the steering knuckle through an elastic check ring, and the dust cover is in interference fit with the main pin hole of the steering knuckle, pressed into the main pin hole of the steering knuckle and arranged at the upper end of the main pin cover. Compared with the prior art, the utility model, adopt dual dustproof seal structure, can prevent outside impurity to enter into in the knuckle swizzle hole effectively, can improve the dustproof sealing effect of swizzle, guarantee that dust and muddy water do not get into in the middle of swizzle and the bush, improve the life of swizzle bush.
Description
Technical Field
The utility model relates to an improve swizzle seal structure of dustproof sealing performance belongs to automobile manufacturing technical field.
Background
The working environment of the main pin must be sealed to ensure that external impurities such as dust, water and the like are not mixed in the grease, and the normal work of the main pin is ensured to avoid grease pollution caused by poor sealing, so that the lubrication of the main pin is damaged, and the failure of the main pin is caused. At present, in most product structures, only the main pin cover assembly is sealed together, the dustproof sealing measure for the main pin cover assembly is not provided, the O-shaped sealing ring is arranged between the main pin cover assembly and the lining mostly in the traditional mode, the structure for fixing the main pin cover by the clamp spring is adopted, and the dustproof and sealing effects are common.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, a improve dustproof sealing performance's swizzle seal structure is provided.
In order to solve the technical problem, the utility model provides a front axle kingpin seal structure for truck, including kingpin lid assembly, O type sealing washer, circlip for hole, dust cover, knuckle and kingpin, kingpin lid assembly includes kingpin lid and lubricating grease mouth assembly, establish annular seal groove on the terminal surface of kingpin lid, install O type sealing washer in this annular seal groove; the main pin is arranged in the steering knuckle, the main pin cover assembly is arranged at the upper end of the steering knuckle, the hole is arranged in an annular groove of the steering knuckle through an elastic check ring, and the dust cover is in interference fit with the main pin hole of the steering knuckle, pressed into the main pin hole of the steering knuckle and arranged at the upper end of the main pin cover.
And a spigot for mounting and positioning is arranged near the annular sealing groove of the kingpin cover, and the spigot is in interference fit with the steering knuckle.
The left side of the dust cover is of an irregular appearance structure.
Has the advantages that: compared with the prior art, the utility model, adopt dual dustproof seal structure, can prevent outside impurity to enter into in the knuckle swizzle hole effectively, can improve the dustproof sealing effect of swizzle, guarantee that dust and muddy water do not get into in the middle of swizzle and the bush, improve the life of swizzle bush.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;
fig. 3 is a schematic structural diagram of the kingpin cover of the present invention.
In the figure: the structure comprises a steering knuckle 1, a 2O-shaped sealing ring, a main pin cover 3, a dust cover 4, a lubricating grease nozzle assembly 5, an elastic check ring for 6 holes, a main pin 7, an annular sealing groove 31 and a spigot 32.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
The utility model provides a front axle king pin seal structure for truck, including king pin lid assembly, O type sealing washer 2, circlip 6 for hole, dust cover 4, knuckle 1 and king pin 7, king pin lid assembly includes king pin lid 3 and lubricating grease nipple assembly 5, set up annular seal groove 31 on the terminal surface of king pin lid 3, install O type sealing washer 2 in this annular seal groove 31; a main pin 7 is arranged in the steering knuckle 1, a main pin cover assembly is arranged at the upper end of the steering knuckle 1, an elastic check ring 6 for a hole is arranged in an annular groove of the steering knuckle 1, and a dust cover 4 is pressed into the main pin hole of the steering knuckle 1 in an interference mode and is arranged at the upper end of a main pin cover 3.
The dust cover 4 is in interference fit with the main pin hole of the steering knuckle 1 and is pressed into the main pin hole of the steering knuckle 1, so that the main pin 7 is provided with a layer of dust-proof sealing structure, and the two sealing structures can effectively prevent external impurities from entering the main pin hole of the steering knuckle.
Fig. 3 is a schematic structural view of the kingpin cover according to the present invention.
The end face of the main pin cover 3 is provided with the annular sealing groove 31, the O-shaped sealing ring 2 is arranged in the groove, the assembly gap between the end face of the main pin cover 3 and the upper end face of the steering knuckle 1 can be made up, the sealing effect is improved, and the service life of the main pin is prolonged.
A spigot 32 for mounting and positioning is arranged near the annular sealing groove 31 of the kingpin cover 3, and the spigot 32 is in interference fit with the steering knuckle 1, so that the sealing performance is further improved.
And the dust cover 4 is in interference fit with the main pin hole of the steering knuckle 1 and is pressed into the main pin hole of the steering knuckle 1.
The left side of the dust cover is of an irregular appearance structure.
Compared with the prior art, the utility model, adopt dual dustproof sealing structure, can improve the dustproof sealing effect of swizzle, guarantee that dust and muddy water do not get into in the middle of swizzle and the bush, improve the life of swizzle bush.
The utility model adds a sealing measure, which can effectively reduce the impurities such as dust and water from entering between the main pin and the bush, thereby performing double protection to the working environment of the main pin; still improved the seal structure of king pin lid assembly collocation O type sealing washer, seted up annular seal groove at king pin lid and knuckle upper end contact end face, sealed in pressing the O type sealing washer into the groove, be equipped with near annular seal groove installation location tang, tang and knuckle interference fit further promote sealing performance, when having improved sealed effect, fully considered the convenient operation nature of using the maintenance.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (3)
1. The utility model provides a front axle king pin seal structure for truck which characterized in that: the novel oil well anti-leakage device comprises a main pin cover assembly, an O-shaped sealing ring (2), a hole elastic check ring (6), a dust cover (4), a steering knuckle (1) and a main pin (7), wherein the main pin cover assembly comprises a main pin cover (3) and a lubricating grease nozzle assembly (5), an annular sealing groove (31) is formed in the end face of the main pin cover (3), and the O-shaped sealing ring (2) is installed in the annular sealing groove (31); the main pin (7) is arranged in the steering knuckle (1), the main pin cover assembly is arranged at the upper end of the steering knuckle (1), the elastic check ring (6) for the hole is arranged in the annular groove of the steering knuckle (1), and the dust cover (4) is in interference fit with the main pin hole of the steering knuckle (1), is pressed into the main pin hole of the steering knuckle (1), and is arranged at the upper end of the main pin cover (3).
2. The truck front axle kingpin seal structure of claim 1, wherein: and a spigot (32) for mounting and positioning is arranged near the annular sealing groove (31) of the kingpin cover (3), and the spigot (32) is in interference fit with the steering knuckle (1).
3. The truck front axle kingpin seal structure according to claim 1 or 2, characterized in that: the left side of the dust cover is of an irregular appearance structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020093942.XU CN211624193U (en) | 2020-01-16 | 2020-01-16 | Front axle main pin sealing structure for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020093942.XU CN211624193U (en) | 2020-01-16 | 2020-01-16 | Front axle main pin sealing structure for truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624193U true CN211624193U (en) | 2020-10-02 |
Family
ID=72638278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020093942.XU Active CN211624193U (en) | 2020-01-16 | 2020-01-16 | Front axle main pin sealing structure for truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624193U (en) |
-
2020
- 2020-01-16 CN CN202020093942.XU patent/CN211624193U/en active Active
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