CN211441887U - Control arm spherical shell structure convenient to install and detach - Google Patents
Control arm spherical shell structure convenient to install and detach Download PDFInfo
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- CN211441887U CN211441887U CN202020077381.4U CN202020077381U CN211441887U CN 211441887 U CN211441887 U CN 211441887U CN 202020077381 U CN202020077381 U CN 202020077381U CN 211441887 U CN211441887 U CN 211441887U
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- spherical shell
- shell body
- control arm
- installation cavity
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Abstract
The utility model discloses a control arm spherical shell structure convenient to installation is dismantled belongs to automobile control arm spare part technical field, including the spherical shell body that has the installation cavity, this installation cavity is used for supplying the bulb embedding of ball round pin, and the first mounting groove of intercommunication installation cavity for being used for installing the bottom is seted up to the lower extreme of spherical shell body, and the second mounting groove of intercommunication installation cavity for being used for supporting the pin rod of ball round pin is seted up to the upper end of spherical shell body, and wherein, there is the external screw thread that sets up along its axial direction the outer wall below of spherical shell body, and spherical shell body outer wall top still is fixed with rather than the spanner position with the axle center. The utility model discloses structural external screw thread and the spanner position of being provided with of spherical shell, with the spanner joint on the spanner position, then screw the spherical shell structure on the control arm through the spanner, this mounting means is very convenient, and still very firm, difficult appearance is not hard up, and it is also very convenient to maintain moreover and dismantle, only needs to lift off through spanner counter-rotation spherical shell structure.
Description
Technical Field
The utility model belongs to the technical field of automobile control arm spare part, especially, relate to a control arm spherical shell structure convenient to installation is dismantled.
Background
The suspension system is an important component of a modern automobile and has great influence on the driving smoothness and the steering stability of the automobile.
The automobile control arm is one of important parts in an automobile suspension system, is mainly used as a guide and force transmission element, transmits various forces acting on wheels to an automobile body, and ensures that the wheels move according to a certain track. The automobile control arm mainly comprises a control arm body, a bushing and a ball head assembly, wherein the ball head assembly is divided into a ball shell and a ball pin, the existing ball head assemblies are troublesome in process of being installed on the control arm body due to the factors of the ball shell structure, long time is needed to be spent, and after the control arm is used for a long time, the ball pin is frequently rubbed against the ball shell, so that the ball shell is easily abraded.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a control arm spherical shell structure of easily installing and dismantling.
The purpose of the utility model is realized like this: the utility model provides a control arm spherical shell structure convenient to installation is dismantled, includes the spherical shell body that has the installation cavity, and this installation cavity is used for supplying the bulb portion embedding of ball round pin, the first mounting groove of intercommunication the installation cavity in order to be used for installing the bottom is seted up to the lower extreme of spherical shell body, the upper end of spherical shell body is seted up the intercommunication the second mounting groove of installation cavity in order to be used for supporting the pin rod of ball round pin, wherein, there is the external screw thread that sets up along its axial direction below the outer wall of spherical shell body, spherical shell body outer wall top still is fixed with rather than the coaxial spanner position of axle center.
By adopting the technical scheme, during installation, the pin rod of the ball pin is embedded from the first installation groove of the ball shell body, then passes through the installation cavity and finally extends out of the port of the second installation groove, at the moment, the pin rod end part of the ball pin is positioned on the second installation groove, the ball head part of the ball pin is positioned in the installation cavity, then the bottom cover is installed in the first installation groove, after the whole ball head structure is installed, the ball head structure needs to be installed on the control arm, the traditional installation mode is that the ball shell on the ball head structure is installed on the control arm through interference fit, the installation and the disassembly are troublesome, and the ball head structure is easy to wear, therefore, the utility model discloses an external thread and a spanner position are arranged on the ball shell structure, the spanner is clamped on the spanner position, then the ball shell structure is screwed on the control arm through the spanner, the installation mode is very convenient and very firm, and is not easy to loosen, and the maintenance and the disassembly are very convenient, and the spherical shell structure can be disassembled only by reversely rotating the spanner.
The utility model discloses further set up to: the wrench position is a hexagonal wrench position.
Through adopting above-mentioned technical scheme, set up the spanner position into hexagonal spanner position to conveniently overlap the spanner on the spanner position, and then be convenient for the spanner atress.
The utility model discloses further set up to: the outer wall of the spherical shell body is further provided with a limiting flange located between the external thread and the wrench position, and the outer diameter of the limiting flange is larger than that of the wrench position.
Through adopting above-mentioned technical scheme, set up spacing flange on the spherical shell body, carry on spacingly and location to the spherical shell body through spacing flange so that when installing to whether installing in place the spherical shell body is looked over to be convenient for audio-visually.
The utility model discloses further set up to: the spherical shell body, the wrench position and the limiting flange are of an integral structure, and the upper end part of the limiting flange extends to the lower end of the wrench position.
Through adopting above-mentioned technical scheme to improve the joint strength of spanner position and spacing flange, avoid receiving the fracture that appears behind the great external force.
The utility model discloses further set up to: the spherical shell comprises a spherical shell body and is characterized in that a guide groove which is radially inwards formed below the outer wall of the spherical shell body and gradually increases in groove depth along the axial direction is formed below the outer wall of the spherical shell body, the upper end part of the guide groove is abutted against the external thread, the lower end part of the guide groove extends to the lower end face of the spherical shell body, and a guide surface with a guide function is formed on the inner wall of the guide groove.
Through adopting above-mentioned technical scheme, set up the spigot surface at the lower extreme of spherical shell body to in embedding the mounting groove of control arm with the spherical shell body during the installation, when having avoided the mounting groove of spherical shell body misalignment control arm, the external screw thread on the spherical shell body is damaged.
The utility model discloses further set up to: still the cover is equipped with and is located on the spherical shell body stop flange with silica gel cover between the external screw thread, there are two pawl that set up along its axial direction on the silica gel cover, the upper end of silica gel cover still is provided with annular installation department, stop flange's lower extreme still is provided with the confession the mounting groove of installation department embedding.
Through adopting above-mentioned technical scheme, for avoiding control arm long time work after, take place not hard up between spherical shell body and the control arm, this the utility model discloses still be provided with the silica gel cover, through the silica gel cover in order to improve the connection steadiness between the two, wherein still be provided with two pawl on the silica gel cover to further improve the joint strength between the two, set up mounting groove on flange, in order to fix the silica gel cover, avoid long-time extrusion silica gel cover after, the silica gel cover slides on spherical shell body 1.
The utility model discloses further set up to: the installation cavity divide into with first installing zone that first mounting groove links to each other and with the second installing zone that the second mounting groove links to each other, the inner wall of second installing zone is inside sunken sphere, the sphere has the sclerosis layer, and the thickness on this sclerosis layer is 0.5mm-1.8 mm.
By adopting the technical scheme, because the ball head part of the ball pin is arranged in the mounting cavity of the ball shell body, during operation, the ball head part of the ball pin rubs back and forth on the inner wall of the second mounting area of the mounting cavity, and for improving the wear resistance of the ball shell structure, a hardened layer is arranged on the spherical surface of the second mounting area, the thickness of the hardened layer is between 0.5mm and 1.8mm, the hardened layer is realized by high-frequency quenching, and the hardness of the hardened layer is HRC58 at the lowest.
The utility model has the advantages that: 1. the utility model is provided with the external thread and the wrench position on the spherical shell structure, the wrench is clamped on the wrench position, and then the spherical shell structure is screwed on the control arm through the wrench, the installation mode is very convenient, and is very firm, the looseness is not easy to occur, the maintenance and the disassembly are also very convenient, and the spherical shell structure can be disassembled only by reversely rotating the wrench; 2. the spherical shell body is provided with the limiting flange, so that the spherical shell body is limited and positioned during installation through the limiting flange, and whether the spherical shell body is installed in place or not can be visually checked; 3. for avoiding control arm long time work back, take place not hard up between spherical shell body and the control arm, this the utility model discloses still be provided with the silica gel cover, through the silica gel cover in order to improve the connection steadiness between the two.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic structural view of the silica gel case of the utility model;
the reference numbers in the figures are: 1. a spherical shell body; 11. installing a cavity; 111. a first mounting area; 112. a second mounting area; 113. a hardened layer; 12. a first mounting groove; 13. a second mounting groove; 14. an external thread; 15. a spanner position; 16. a limiting flange; 17. a guide surface; 18. a silica gel sleeve; 181. chamfering; 182. an installation part.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
the utility model provides a control arm spherical shell structure convenient to installation is dismantled, as shown in fig. 1 and fig. 2, including the spherical shell body 1 that has installation cavity 11, this installation cavity 11 is used for supplying the bulb portion embedding of ball round pin, the first mounting groove 12 of intercommunication installation cavity 11 in order to be used for installing the bottom is seted up to the lower extreme of spherical shell body 1, the second mounting groove 13 of intercommunication installation cavity 11 in order to be used for supporting the pin pole of ball round pin is seted up to the upper end of spherical shell body 1, wherein, there is the external screw thread 14 that sets up along its axial direction in the outer wall below of spherical shell body 1, 1 outer wall top of spherical shell body still is fixed with the spanner position 15 rather than coaxial axle center.
When in installation, the pin rod of the ball pin is embedded from the first installation groove 12 of the ball shell body 1, then passes through the installation cavity 11 and finally extends out from the port of the second installation groove 13, at the moment, the pin rod end part of the ball pin is positioned on the second installation groove 13, the ball head part of the ball pin is positioned in the installation cavity 11, then the bottom cover is installed in the first installation groove 12, after the whole ball head structure is installed, the ball head structure needs to be installed on the control arm, the traditional installation mode is that the ball shell on the ball head structure is installed on the control arm through interference fit, the installation and the disassembly are troublesome, and the ball head structure is easy to wear, therefore, the utility model is provided with external threads 14 and a spanner position 15 on the ball shell structure, the spanner is clamped on the spanner position 15, then the ball shell structure is screwed on the control arm through the spanner, the installation mode is very convenient and very firm, and is not easy to loosen, the maintenance and the disassembly are very convenient, and the spherical shell structure can be disassembled only by reversely rotating the spanner; in order to conveniently sleeve the wrench on the wrench position 15 and further facilitate the wrench to be stressed, the wrench position 15 is set to be the hexagonal wrench position 15.
As shown in fig. 2 and 3, the installation cavity 11 is divided into a first installation region 111 connected to the first installation groove 12 and a second installation region 112 connected to the second installation groove 13, the inner wall of the second installation region 112 is an inwardly recessed spherical surface having a hardened layer 113, and the hardened layer 113 has a thickness of 0.5mm to 1.8 mm.
As the ball head part of the ball pin is arranged in the mounting cavity 11 of the ball shell body 1, during operation, the ball head part of the ball pin rubs back and forth on the inner wall of the second mounting area 112 of the mounting cavity 11, and in order to improve the wear resistance of the ball shell structure, a hardened layer 113 is arranged on the spherical surface of the second mounting area 112, the thickness of the hardened layer 113 is between 0.5mm and 1.8mm, the hardened layer 113 is realized by high-frequency quenching, and the hardness of the hardened layer is HRC58 at the lowest.
As shown in fig. 2, a limiting flange 16 located between the external thread 14 and the wrench position 15 is further disposed on the outer wall of the spherical shell body 1, and the outer diameter of the limiting flange 16 is greater than the outer diameter of the wrench position 15. Set up limit flange 16 on spherical shell body 1, carry out spacing and location to spherical shell body 1 through limit flange 16 so that during the installation to whether visual inspection spherical shell body 1 installs in place.
The spherical shell body 1, the wrench position 15 and the limiting flange 16 are of an integral structure, the upper end of the limiting flange 16 extends to the lower end of the wrench position 15, and after manufacturing is completed, the outer surfaces of the three parts all need to be phosphatized. Through adopting above-mentioned technical scheme to improve wrench position 15 and limiting flange 16's joint strength, avoid receiving to appear splitting after great external force.
Preferably, a guide groove which is radially inwards formed and gradually increases in groove depth along the axial direction is formed below the outer wall of the spherical shell body 1, the upper end part of the guide groove abuts against the external thread 14, the lower end part of the guide groove extends to the lower end face of the spherical shell body 1, and a guide surface 17 for guiding is formed on the inner wall of the guide groove. Set up spigot surface 17 at the lower extreme of spherical shell body 1 to in embedding the mounting groove of control arm with spherical shell body 1 during the installation, when having avoided spherical shell body 1 not to aim at the mounting groove of control arm, bruise external screw thread 14 on the spherical shell body 1.
Preferably, as shown in fig. 2 and 4, a silica gel sleeve 18 located between the limiting flange 16 and the external thread 14 is further sleeved on the spherical shell body 1, two inverted teeth 181 arranged along the axial direction of the silica gel sleeve 18 are arranged on the silica gel sleeve 18, an annular mounting portion 182 is further arranged at the upper end of the silica gel sleeve 18, and a mounting groove for embedding the mounting portion 182 is further arranged at the lower end of the limiting flange 16. For avoiding control arm long time work back, take place not hard up between spherical shell body 1 and the control arm, this the utility model discloses still be provided with silica gel cover 18, through silica gel cover 18 in order to improve the connection steadiness between the two, wherein still be provided with two pawl 181 on silica gel cover 18 to further improve the joint strength between the two, set up mounting groove on flange 16, in order to fix silica gel cover 18, avoid extruding silica gel cover 18 for a long time after, silica gel cover 18 slides on spherical shell body 1.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a control arm spherical shell structure convenient to installation is dismantled, includes spherical shell body (1) that has installation cavity (11), and this installation cavity (11) are used for supplying the bulb portion embedding of ball round pin, the intercommunication has been seted up to the lower extreme of spherical shell body (1) first mounting groove (12) of installation cavity (11) in order to be used for installing the bottom, the intercommunication has been seted up to the upper end of spherical shell body (1) second mounting groove (13) of installation cavity (11) in order to be used for supporting the pin rod of ball round pin, its characterized in that: an external thread (14) arranged along the axial direction is arranged below the outer wall of the spherical shell body (1), and a wrench position (15) coaxial with the external thread is fixed above the outer wall of the spherical shell body (1).
2. The control arm spherical shell structure convenient to mount and dismount as claimed in claim 1, wherein: the wrench position (15) is a hexagonal wrench position (15).
3. The control arm spherical shell structure convenient to mount and dismount as claimed in claim 1, wherein: the outer wall of the spherical shell body (1) is further provided with a limiting flange (16) located between the external thread (14) and the wrench position (15), and the outer diameter of the limiting flange (16) is larger than that of the wrench position (15).
4. The control arm spherical shell structure convenient to mount and dismount as claimed in claim 3, wherein: the spherical shell body (1), the wrench position (15) and the limiting flange (16) are of an integral structure, and the upper end part of the limiting flange (16) extends to the lower end of the wrench position (15).
5. The control arm spherical shell structure convenient to mount and dismount as claimed in claim 3, wherein: the spherical shell comprises a spherical shell body (1), and is characterized in that a guide groove which is radially inwards formed below the outer wall of the spherical shell body (1) and gradually increases in groove depth along the axial direction is formed below the outer wall of the spherical shell body, the upper end part of the guide groove is abutted against the external thread (14), the lower end part of the guide groove extends to the lower end face of the spherical shell body (1), and a guide surface (17) playing a guide role is formed on the inner wall of the guide groove.
6. The control arm spherical shell structure convenient to mount and dismount as claimed in any one of claims 3 to 5, wherein: still the cover is equipped with on spherical shell body (1) and is located stop flange (16) with silica gel cover (18) between external screw thread (14), silica gel cover (18) are gone up and are had two pawl (181) that set up along its axial direction, the upper end of silica gel cover (18) still is provided with annular installation department (182), the lower extreme of stop flange (16) still is provided with the confession the mounting groove of installation department (182) embedding.
7. The control arm spherical shell structure convenient to mount and dismount as claimed in claim 6, wherein: installation cavity (11) divide into with first installing zone (111) that first mounting groove (12) link to each other and with second installing zone (112) that second mounting groove (13) link to each other, the inner wall of second installing zone (112) is inside sunken sphere, the sphere has sclerosis layer (113), and the thickness on this sclerosis layer (113) is 0.5mm-1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077381.4U CN211441887U (en) | 2020-01-14 | 2020-01-14 | Control arm spherical shell structure convenient to install and detach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077381.4U CN211441887U (en) | 2020-01-14 | 2020-01-14 | Control arm spherical shell structure convenient to install and detach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211441887U true CN211441887U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020077381.4U Active CN211441887U (en) | 2020-01-14 | 2020-01-14 | Control arm spherical shell structure convenient to install and detach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211441887U (en) |
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2020
- 2020-01-14 CN CN202020077381.4U patent/CN211441887U/en active Active
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