CN211166289U - Durable swing arm bulb - Google Patents
Durable swing arm bulb Download PDFInfo
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- CN211166289U CN211166289U CN201921591510.5U CN201921591510U CN211166289U CN 211166289 U CN211166289 U CN 211166289U CN 201921591510 U CN201921591510 U CN 201921591510U CN 211166289 U CN211166289 U CN 211166289U
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- ball
- dust cover
- swing arm
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Abstract
A durable swing arm ball head comprises a dust cover, a ball pin, a ball bowl and a ball shell; the ball pin can penetrate through the dust cover and is riveted with the ball bowl, and the ball bowl is embedded in the ball shell; the dust cover is hollow, an annular arc-shaped clamping groove is formed in the upper end of the dust cover, an annular square clamping groove is formed in the lower end of the dust cover, an annular round clamping ring is assembled in the annular arc-shaped clamping groove, an annular square clamping ring is assembled in the annular square clamping groove, and the annular round clamping ring is easier to take down than the annular square clamping ring; the ball shell is hollow and penetrates up and down, the bottom of the ball shell is provided with a bottom cover, the bottom cover is sunken outwards to form a first sunken area, and lubricating grease can be stored in the first sunken area; maintenance personnel are through regularly opening the bottom to toward first sunk area interpolation lubricating grease, and through taking off annular ring rand and toward adding lubricating grease in the dust cover, can prolong the life of swing arm bulb greatly.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a swing arm bulb for connecting knuckle and control arm.
Background
Automobile swing arm bulb assembly is the space the hinge mechanism, the space that is particularly useful for automobile steering knuckle and control arm is articulated, be common loss piece in the car use, need regularly change in order to go safety, be equipped with the pressure gasket between the ball seat in the common swing arm bulb and the shrouding, the pressure gasket is after long-time use, the easy deformation inefficacy, lead to the whole life reduction of product, it is used for blockking the silt on the in-process road surface of going to often be equipped with the dust cover on the swing arm bulb, magazine, the dust cover is comparatively fragile, part dust cover is crushed or is out of shape always can appear in the collective transportation dust cover in-process of producer, use the damaged swing arm bulb of dust cover, its life significantly reduces.
Disclosure of Invention
An object of the utility model is to provide a durable swing arm bulb to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the technical scheme adopted by the utility model is a durable swing arm ball head, which comprises a dustproof cover, a ball pin, a ball bowl and a ball shell, wherein the ball pin is used for connecting a steering knuckle on an automobile, and the dustproof cover is used for preventing silt from entering a part assembly gap and prolonging the service life of the swing arm ball head;
the ball pin can penetrate through the dust cover and is riveted with the ball bowl, and the ball bowl is embedded in the ball shell;
the dust cover is hollow in the interior, the lower end of the dust cover is connected with the spherical shell and cannot be removed after being generally sealed, the upper end of the dust cover is connected with the spherical pin and needs to be removed during maintenance/repair after sealing, an annular arc-shaped clamping groove is formed in the upper end of the dust cover, an annular square clamping groove is formed in the lower end of the dust cover, an annular circular clamping ring which is easy to remove is assembled in the annular arc-shaped clamping groove, an annular square clamping ring which is difficult to remove is assembled in the annular square clamping groove, and a third sunken area and the annular teeth on the dust cover can play roles in preventing oil;
the inside fretwork of spherical shell just runs through from top to bottom, and the spherical shell bottom is equipped with the bottom, and the outside sunken first depressed area that forms of bottom can store lubricating grease in the first depressed area, and the bottom can completely cut off external dust.
Preferably, the anti-dropping ball pin further comprises a protective cover and an anti-dropping nut, the protective cover is sleeved on the ball pin, and the anti-dropping nut is arranged at the outer end of the ball pin and can prevent the protective cover from dropping.
Preferably, the safety cover is the funnel shape of back-off, can cover the dust cover completely, avoids swing arm bulb to be crushed or warp dust cover in transportation or handling.
Preferably, the ball pin comprises a connecting section, a conical section and a ball section, wherein one end of the conical section with a small cross section is connected with the connecting section, and one end of the conical section with a large cross section is connected with the ball section;
the conical section is provided with a second concave area at the connecting position with the connecting section and the ball section, as an optimal technical scheme, the ball pin is made of alloy materials with strong impact toughness and bending resistance, and the ball section is machined by a mirror surface to ensure the matching precision of the ball pin and the ball bowl.
Preferably, a ball groove is formed in the ball bowl, a through hole is formed in the bottom of the ball groove, and maintenance personnel can add lubricating grease to the riveting position of the ball groove and the ball section conveniently due to the arrangement of the through hole.
Preferably, the radius of the ball section of the ball pin is the same as that of the ball groove, the gap between the ball section and the ball groove is controlled within 0.1mm, and as a preferred technical scheme, the contact area between the ball section and the ball groove is controlled to exceed 70 percent, so that the pull-off strength and the durability of a swing arm product after being loaded can be ensured to meet the requirements of more than 60 ten thousand times.
Preferably, the spherical shell is integrally provided with a fixed seat, the fixed seat is provided with three positioning holes which comprise a middle positioning hole and two side positioning holes, screws can be assembled in the positioning holes, the connecting line distance between the two side positioning holes and the middle positioning hole is the same, the spherical shell is positioned on the perpendicular bisector of the connecting line of the two side positioning holes, a plane is determined by the three points, the fixed seat is fixed on the control arm to form a stable triangular structure, so that the spherical shell cannot move relative to the control arm, and meanwhile, the arrangement of the positioning holes is beneficial to dispersing the force between the spherical shell and the control arm, and the service life of the device can be prolonged.
Preferably, the position of the positioning hole on the fixing seat is provided with a reinforcing structure, the two sides of the middle positioning hole are respectively provided with a triangular reinforcing protrusion, the two sides of the side positioning hole are respectively provided with a circular reinforcing protrusion, and the triangular reinforcing protrusions and the side positioning holes can enhance the strength of the positioning hole on the fixing seat, so that the fixing seat is not easy to break when a traffic accident happens.
To sum up, the beneficial effects of the utility model are that: maintenance personnel can greatly prolong the service life of the swing arm ball head by opening the bottom cover regularly, adding lubricating grease to the first recessed area, taking down the annular circular collar and adding lubricating grease to the dust cover; the dust cover in the device can completely cover the dust cover, the swing arm ball head can be prevented from being crushed or deformed in the transportation or carrying process, the transportation loss is reduced, and the anti-falling nut can prevent the protective cover from falling off in the transportation or carrying process; after the pressure gasket is not arranged in the device, the situation that the pressure gasket is deformed and loses efficacy does not exist, and the service life is longer; the annular arc-shaped clamping groove and the annular square clamping groove can be sleeved with clamping rings to increase the tightness of the dust cover, the ball pin and the ball shell when a vehicle runs so as to achieve a better sealing effect; the annular teeth on the dust cover can play roles in preventing oil leakage, dust and waste gas; the precision of the matching ball diameter and the outer diameter of the ball bowl is within 10 threads, and meanwhile, the contact area between the ball section and the ball groove is controlled to exceed 70 percent, so that the ball pin is tightly matched with the ball bowl after riveting, the balance of swinging moment and rotating moment is ensured, the ball pin is ensured to rotate freely, the torque in each direction is uniform and consistent, and the clamping stagnation defect is avoided; white wiredrawing lubricating grease is coated at the riveting part of the ball groove and the ball section and the joint of the dust cover, the ball pin and the ball shell, so that high-temperature high friction can be borne, and the service life of the ball head can be effectively prolonged; the fixing seat is fixed on the control arm to form a stable triangular structure, so that the spherical shell and the control arm cannot move relatively, and the arrangement of the plurality of positioning holes is beneficial to dispersing the force between the spherical shell and the control arm, so that the service life of the device can be prolonged; the triangular reinforcing bulges and the circular reinforcing bulges can enhance the strength of the positioning holes on the fixing seat, so that the fixing seat is not easy to break when a traffic accident happens to the device; an included angle formed by a vertical line of a plane where the fixed seat is located and the central axis of the spherical shell is 15-20 degrees, so that the control arm can overcome part of pulling force generated by the ball pin; the connection position of the fixing seat and the spherical shell is provided with a reinforced area, so that the connection part of the fixing seat and the spherical shell is not easy to break.
Drawings
FIG. 1 is a schematic view of the overall structure of the device;
FIG. 2 is an exploded view of the present apparatus;
fig. 3 is a cross-sectional view of the present device.
Detailed Description
Embodiments of the invention will be described in further detail with reference to the drawings, it being understood that the examples are illustrative only and should not be taken as limiting the invention, and that all of the features disclosed in the examples or all of the steps in any method or process disclosed herein can be combined in any way, except for mutually exclusive features and/or steps.
Referring to the attached drawings 1-3, the durable swing arm ball head is used for connecting automobile braking and suspension positioning, so that automobile body load can be evenly distributed on a wheel hub, and wheel positioning parameters are kept, and comprises a dust cover 10, a ball pin 11, a ball bowl 12 and a ball shell 13, wherein the ball pin 11 can penetrate through the dust cover 10, the ball pin 11 is riveted with the ball bowl 12, the ball bowl 12 is embedded in the ball shell 13, the ball pin 11 is used for connecting a steering knuckle on an automobile, and the dust cover 10 is used for preventing silt from entering a part assembly gap and prolonging the service life of the swing arm ball head;
the dust cover 10 is hollow, the upper end of the dust cover 10 is provided with an annular arc-shaped clamping groove 23, the lower end of the dust cover 10 is provided with an annular square clamping groove 24, the upper end of the dust cover 10 is provided with a third sunken area 25, the inner wall of the dust cover 10 close to the upper end is provided with an annular tooth 26, the annular arc-shaped clamping groove 23 and the annular square clamping groove 24 can be sleeved with clamping rings for increasing the tightness of the dust cover 10 with the ball pin 11 and the ball shell 13 so as to achieve better sealing effect, the dust cover 10 and the ball shell 13 are generally not moved away after being connected, so the lower end of the dust cover 10 is provided with the annular square clamping groove 24, the annular square clamping ring 36 is assembled in the dust cover, the sealing position of the dust cover 10 and the ball pin 11 is likely to be moved away during maintenance, the annular arc-shaped clamping groove 23 is arranged at, the third recessed area 25 and the annular teeth 26 on the dust cover 10 can play roles of oil leakage prevention, dust prevention and waste gas prevention;
the spherical shell 13 is hollow and is vertically through, the bottom cover 32 is assembled at the bottom of the spherical shell, the bottom cover 32 is outwardly recessed to form a first recessed area 33, lubricating grease can be stored in the first recessed area 33, and the bottom cover 32 can isolate external dust.
Preferably, a durable swing arm bulb still includes safety cover 14 and anticreep nut 15, and safety cover 14 overlaps on ball round pin 11, can be used for protecting dust cover 10, avoids swing arm bulb to be crushed or warp dust cover 10 in transportation or handling, and when this device was used to the vehicle in actual installation, safety cover 14 needed to be taken off, and anticreep nut 15 is located ball round pin 11 outer end, can prevent that safety cover 14 from droing in transportation or handling.
Preferably, the protective cover 14 is in the shape of an inverted funnel, the upper opening of the protective cover 14 is small, and the lower opening of the protective cover 14 is large, so that the protective cover 14 can completely cover the dust cover 10 when in use, and the dust cover 10 can be crushed or deformed.
The ball pin 11 comprises a connecting section 16, a conical section 17 and a ball section 18, wherein the connecting section 16 is connected to one end with a small cross section in the conical section 17, the ball section 18 is connected to one end with a large cross section in the conical section 17, an inner hexagonal groove 19 is formed in the upper end of the connecting section 16, a second concave area 20 is formed in the connecting position of the conical section 18 and the connecting section 16 and the ball section 18, the ball pin 11 is made of an alloy material with high impact toughness and bending resistance, the matching precision of the ball section 18 and the ball bowl 12 is guaranteed by mirror finishing, the ball pin 11 can be guaranteed to rotate freely by riveting, and torques in all directions are uniform.
The ball groove 21 is arranged in the ball bowl 12, the bottom of the ball groove 21 is provided with the through hole 22, the radius of the ball section 18 of the ball pin 11 is the same as that of the ball groove 21, so that the rotating torque is uniform and free from clamping stagnation during working, the clearance between the ball section 18 and the ball groove 21 is controlled within 0.1mm, the clearance is also called as the precision of the matching ball diameter and the outer diameter of the control ball bowl in the mechanical field is within 10 threads, meanwhile, the contact area of the ball section 18 and the ball groove 21 is controlled to exceed 70 percent, the ball pin 11 and the ball bowl 12 are tightly matched after riveting, the balance of the swinging torque and the rotating torque is ensured, white wiredrawing-shaped lubricating grease is coated at the riveting part of the ball groove 21 and the ball section 18 and the joint of the dust cover 10, the ball pin 11 and the ball shell 13, the high-temperature high friction can be borne, the service life of the ball head can be effectively prolonged, when the device is used, a maintenance worker, the grease in the first concave area 33 in the bottom cover 32 can be brought into the riveting position of the ball groove 21 and the ball section 18 along with the movement of the ball section 18, so that the maintenance period of the position of the vehicle can be prolonged, and the requirements of pull-off strength and durability of the swing arm product after being loaded can be fully met by the technical means for more than 60 ten thousand times.
The fixing seat 27 is integrally arranged on the spherical shell 13, three positioning holes are formed in the fixing seat 27 and comprise a middle positioning hole 28 and two side positioning holes 29, screws can be assembled in the positioning holes, the spherical shell 13 is connected with a control arm on an automobile through the screws, the connecting line distance between the two side positioning holes 29 and the middle positioning hole 28 is the same, the spherical shell 13 is located on the perpendicular bisector of the connecting line of the two side positioning holes 29, a plane is determined by three points, the fixing seat 27 is fixed on the control arm to form a stable triangular structure, the spherical shell 13 and the control arm cannot move relatively, meanwhile, the arrangement of the positioning holes helps to disperse the force between the spherical shell 13 and the control arm, and the service life of the device can be prolonged.
Preferably, the position of the positioning hole on the fixing seat 27 is provided with a reinforcing structure, the two sides of the middle positioning hole 28 are provided with triangular reinforcing protrusions 30, the two sides of the side positioning hole 29 are provided with circular reinforcing protrusions 31, the triangular reinforcing protrusions 30 and the circular reinforcing protrusions 31 can enhance the strength of the positioning hole on the fixing seat 27, and the fixing seat 27 is not easy to break when a traffic accident happens.
An included angle formed by a perpendicular line of a plane where the fixed seat 27 is located and the central axis of the spherical shell 13 is 15-20 degrees, so that the control arm can overcome a part of tensile force generated by the ball pin 11, and a reinforcing area 34 is arranged at the connecting position of the fixed seat 27 and the spherical shell 13, so that the connecting position of the fixed seat 27 and the spherical shell 13 is not easy to break.
In the present application, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (8)
1. A durable swing arm ball head is characterized by comprising a dust cover, a ball pin, a ball bowl and a ball shell;
the ball pin can penetrate through the dust cover and is riveted with the ball bowl, and the ball bowl is embedded in the ball shell;
the dust cover is hollow, an annular arc-shaped clamping groove is formed in the upper end of the dust cover, an annular square clamping groove is formed in the lower end of the dust cover, an annular round clamping ring is assembled in the annular arc-shaped clamping groove, and an annular square clamping ring is assembled in the annular square clamping groove;
the inside fretwork of spherical shell just runs through from top to bottom, and the spherical shell bottom is equipped with the bottom, and the bottom is outside sunken to form first depressed area, can store lubricating grease in the first depressed area.
2. A durable swing arm ball head as claimed in claim 1, further comprising a protective cover and a retaining nut, wherein the protective cover is fitted over the ball pin, and the retaining nut is provided at an outer end of the ball pin to prevent the protective cover from falling off.
3. A durable swing arm ball head according to claim 2, wherein the protective cover is in the form of an inverted funnel that completely covers the dust cover for protecting the dust cover.
4. A durable swing arm ball head according to claim 1, wherein the ball pin comprises a connecting section, a conical section and a ball section, wherein the end of the conical section with a small cross section is connected with the connecting section, and the end of the conical section with a large cross section is connected with the ball section;
and a second concave area is arranged at the connecting position of the conical section and the connecting position of the spherical section.
5. A durable swing arm ball head as in claim 1, wherein the bowl has a ball groove therein, and the bottom of the ball groove has a through hole.
6. A durable swing arm ball head according to claim 4 or 5, wherein the ball pin has a ball segment radius equal to the ball groove radius, and the gap between the ball segment and the ball groove is controlled to be within 0.1 mm.
7. A durable swing arm ball head according to claim 1, wherein the ball shell has a retaining base integrally formed thereon, the retaining base having three positioning holes, including a middle positioning hole and two side positioning holes, the positioning holes being adapted to receive screws, the two side positioning holes being spaced from the middle positioning hole by the same distance, the ball shell being positioned on a perpendicular bisector of the line connecting the two side positioning holes.
8. A durable swing arm ball head as claimed in claim 7, wherein the fixing base has a reinforcing structure at the location of the positioning hole, the middle positioning hole has triangular reinforcing protrusions on both sides thereof, and the side positioning holes have circular reinforcing protrusions on both sides thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591510.5U CN211166289U (en) | 2019-09-24 | 2019-09-24 | Durable swing arm bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591510.5U CN211166289U (en) | 2019-09-24 | 2019-09-24 | Durable swing arm bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211166289U true CN211166289U (en) | 2020-08-04 |
Family
ID=71795907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921591510.5U Active CN211166289U (en) | 2019-09-24 | 2019-09-24 | Durable swing arm bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211166289U (en) |
-
2019
- 2019-09-24 CN CN201921591510.5U patent/CN211166289U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of durable swing arm ball head Effective date of registration: 20200915 Granted publication date: 20200804 Pledgee: Industrial and Commercial Bank of China Limited Lishui Economic Development Zone sub branch Pledgor: ZHEJIANG DEMING AUTOMOBILE PARTS Co.,Ltd. Registration number: Y2020330000710 |