CN212148290U

CN212148290U - Inner core of automobile chassis control arm

Info

Publication number: CN212148290U
Application number: CN202020837884.7U
Authority: CN
Inventors: 钟海玉
Original assignee: Shaanxi Nanshui Automobile Parts Manufacturing Co ltd
Current assignee: Shaanxi Nanshui Automobile Parts Manufacturing Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-15
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses an automobile chassis control arm inner core, including control arm inner core body, the right side rigid coupling of control arm inner core body has the dabber, two the body of rod respectively the rigid coupling in the inner wall of ball pivot subassembly mounting hole top and bottom, two the equal clearance fit of outer wall of the body of rod has first block, two the outer wall of first block respectively with the inner wall clearance fit of ball pivot subassembly mounting hole top and bottom, two the equal clearance fit of outer wall of the body of rod has the spring, the inboard rigid coupling of spring in the outside of first block, the outside rigid coupling of spring in the outer wall of the body of rod. This automobile chassis control arm inner core for external ball pivot subassembly is connected the back with damper assembly, can carry out certain spacing to connecting bolt, avoids connecting bolt not hard up, causes external ball pivot subassembly not hard up with damper assembly, and the removal of user's accessible dog drives the block and removes, the installation of the external ball pivot subassembly of being convenient for.

Description

Inner core of automobile chassis control arm

Technical Field

The utility model relates to the field of automotive technology, specifically be an automobile chassis control arm inner core.

Background

In the design of an automobile, a control arm inner core is a key part of a chassis for bearing longitudinal force and lateral force, the driving load of the whole automobile under various working conditions such as braking and steering can be applied to the control arm inner core, in case of failure caused by insufficient wall cloth of the part during the operation of the automobile, serious vehicle and personal accidents can occur, although the existing control arm inner core can realize the fixation of the chassis, after an external device is connected, the automobile can possibly cause the looseness of the control arm inner core and the external device after long-time operation, and the casualties are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile chassis control arm inner core to the back is connected to the existence external device that provides in solving above-mentioned background art, and the car is through long-time operation, may cause the control arm inner core to become flexible with external device, causes the problem of casualties.

In order to achieve the above object, the utility model provides a following technical scheme: an automobile chassis control arm inner core comprises a control arm inner core body, wherein a mandrel is fixedly connected to the right side of the control arm inner core body, a positioning hole, a spherical hinge assembly mounting hole, a lightening hole and a damping assembly mounting hole are formed in the control arm inner core body, and first abutting mechanisms are arranged at the top and the bottom of the spherical hinge assembly mounting hole;

the first abutting mechanism comprises a rod body, a first block body and a spring;

two the body of rod respectively rigid coupling in the inner wall of ball pivot subassembly mounting hole top and bottom, two the equal clearance fit of outer wall of the body of rod has first block, two the outer wall of first block respectively with the inner wall clearance fit of ball pivot subassembly mounting hole top and bottom, two the equal clearance fit of outer wall of the body of rod has the spring, the inboard rigid coupling of spring in the outside of first block, the outside rigid coupling of spring in the outer wall of the body of rod.

Preferably, a reinforcing rib is fixedly connected with the joint of the mandrel and the control arm inner core body.

Preferably, the front end surfaces of the two blocks are provided with moving mechanisms;

the moving mechanism comprises a stop block and a through groove;

the two check blocks are fixedly connected to the front end faces of the two block bodies respectively, the through grooves are formed in the front end faces of the inner walls of the top and the bottom of the spherical hinge assembly mounting hole respectively, and the inner walls of the through grooves are in clearance fit with the outer walls of the two check blocks respectively.

Preferably, the gap between the outer wall of the stop block and the inner wall of the through groove is 0.1-0.2 mm.

Preferably, the bottom of the shock absorption assembly mounting hole is provided with a second abutting mechanism;

the second abutting mechanism comprises a sliding chute, a sliding block, a second block body, an arc-shaped block, a screw and a groove block;

two the spout is seted up respectively in the bottom inner wall left and right sides of damper mounting hole, two the inner wall of spout all slides and links to each other there is the slider, two the inner wall rigid coupling of slider has the second block, the outer wall of second block and the bottom inner wall clearance fit of damper mounting hole, the top rigid coupling of second block has the arc piece, the inner wall screw thread of second block links to each other there is the screw rod, the outer wall of screw rod and the inner wall clearance fit of arc piece, the bottom rigid coupling of screw rod has the groove piece, the outer wall of groove piece passes through the bottom inner wall clearance fit of bearing and damper mounting hole.

Preferably, the groove of the groove block is a hexagonal groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization.

This automobile chassis control arm inner core through the cooperation between the body of rod, first block, dog, arc piece, spout, slider and the spring for external ball pivot subassembly is connected the back with damper, can carry out certain spacing to connecting bolt, avoids connecting bolt not hard up, causes external ball pivot subassembly and damper not hard up.

This automobile chassis control arm inner core through dog, logical groove and the cooperation between the control arm inner core body for the removal of user's accessible dog drives the block and removes, the installation of the external ball pivot subassembly of being convenient for.

Drawings

FIG. 1 is a schematic view of the connection relationship of the present invention;

FIG. 2 is a schematic view of the first block, the spring and the stopper of FIG. 1;

FIG. 3 is a schematic top view of the control arm core body, spring and stop of FIG. 1;

fig. 4 is a structural schematic view of the shock-absorbing assembly mounting hole, the second block body and the arc-shaped block in fig. 1.

In the figure: 1. control arm inner core body, 2, dabber, 3, locating hole, 4, ball pivot subassembly mounting hole, 5, lightening hole, 6, damper assembly mounting hole, 7, first tight mechanism that supports, 701, the body of rod, 702, first block, 703, spring, 8, moving mechanism, 801, dog, 802, logical groove, 9, the tight mechanism of second support, 901, spout, 902, slider, 903, the second block, 904, arc piece, 905, the screw rod, 906, the recess piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an inner core of an automobile chassis control arm comprises a control arm inner core body 1, a mandrel 2 is fixedly connected to the right side of the control arm inner core body 1, a positioning hole 3, a spherical hinge assembly mounting hole 4, a lightening hole 5 and a damping assembly mounting hole 6 are arranged on the control arm inner core body 1, a first abutting mechanism 7 is arranged at the top and the bottom of the spherical hinge assembly mounting hole 4, the first abutting mechanism 7 comprises a rod body 701, a first block body 702 and a spring 703, the two rod bodies 701 are respectively fixedly connected to the inner walls of the top and the bottom of the spherical hinge assembly mounting hole 4, the first block body 702 is in clearance fit with the outer walls of the two rod bodies 701, a rubber pad is fixedly connected to one end, moving into the spherical hinge assembly mounting hole 4, of the first block body 702 for increasing the friction force between an external connecting bolt and the spherical hinge assembly mounting hole 4 and the first block body 702 and increasing the stability of the external bolt, so that the first block body 702 can perform lifting, the outer walls of the two first blocks 702 are in clearance fit with the inner walls of the top and the bottom of the spherical hinge assembly mounting hole 4 respectively, the outer walls of the two rod bodies 701 are in clearance fit with springs 703, the elastic coefficient of the springs 703 is 7500 and 8500N/M, the inner sides of the springs 703 are fixedly connected to the outer sides of the first blocks 702, the outer sides of the springs 703 are fixedly connected to the outer walls of the rod bodies 701, the springs 703 give the force to the first blocks 702 to move into the spherical hinge assembly mounting hole 4, and reinforcing ribs are fixedly connected to the joints of the mandrel 2 and the control arm inner core body 1, so that the connection stability of the mandrel 2 and the control arm inner core body 1 is enhanced.

The front end faces of the two blocks 702 are provided with a moving mechanism 8, the moving mechanism 8 comprises a stopper 801 and through grooves 802, the two stoppers 801 are respectively and fixedly connected with the front end faces of the two blocks 702, the two through grooves 802 are respectively arranged on the front end faces of the inner walls at the top and the bottom of the spherical hinge assembly mounting hole 4, the inner walls of the two through grooves 802 are respectively in clearance fit with the outer walls of the two stoppers 801, so that when a user inserts an external connecting bolt into the spherical hinge assembly mounting hole 4, the user can move the two stoppers 801 to drive the two first blocks 702 to respectively move into the inner walls at the top and the bottom of the spherical hinge assembly mounting hole 4, so that the external connecting bolt can be inserted into the spherical hinge assembly mounting hole 4, after the insertion, the user cancels the force on the stopper 801, so that the first blocks 702 are contacted and tightly pressed and limited by the elastic deformation of the spring 703, the clearance between the outer walls of the stoppers 801 and the inner walls of the through grooves 802, so that the stopper 801 can stably slide on the inner wall of the through groove 802.

The bottom of the shock absorption assembly mounting hole 6 is provided with a second abutting mechanism 9, the second abutting mechanism 9 comprises sliding chutes 901, sliding blocks 902, a second block body 903, arc-shaped blocks 904, screw rods 905 and groove blocks 906, the two sliding chutes 901 are respectively arranged at the left side and the right side of the inner wall of the bottom of the shock absorption assembly mounting hole 6, the inner walls of the two sliding chutes 901 are respectively connected with the sliding blocks 902 in a sliding way, the inner walls of the two sliding blocks 902 are fixedly connected with the second block body 903, the outer wall of the second block body 903 is in clearance fit with the inner wall of the bottom of the shock absorption assembly mounting hole 6, the top of the second block body 903 is fixedly connected with the arc-shaped blocks 904, the top of the arc-shaped blocks 904 is fixedly connected with rubber pads, the rubber pads are used for increasing the friction force between an external connecting bolt and the shock absorption assembly mounting hole 6 and the arc-shaped blocks 904 and increasing the stability of the external, the bottom rigid coupling of screw rod 905 has groove block 906, the outer wall of groove block 906 passes through the bottom inner wall clearance fit of bearing and damper mounting hole 6, when groove block 906 atress rotates, groove block 906 drives screw rod 905, when screw rod 905 rotates, it links to each other with the slip of spout 901 through slider 902 to drive second block 903 and arc block 904, carry out stable elevating movement, and then make arc block 904 immigration damper mounting hole 6, the external connecting bolt contact that will insert damper mounting hole 6 supports tightly, the recess of groove block 906 is six prismatic grooves, make user's accessible hexagonal spanner drive groove block 906 rotate.

When the inner core of the automobile chassis control arm is used, a user can insert an external connecting bolt into the spherical hinge component mounting hole 4, when the inner core is inserted, the user moves the two blocks 801, so that the two blocks 801 drive the two first blocks 702 to respectively move into the inner walls of the top and the bottom of the spherical hinge component mounting hole 4, further the external connecting bolt can be inserted into the spherical hinge component mounting hole 4, after the insertion, the user cancels the force on the blocks 801, so that the first blocks 702 are in contact with and abut against the external connecting bolt through the elastic deformation of the spring 703 for limiting, after the installation, the user can insert the other external connecting bolt into the inner wall of the damping component mounting hole 6, after the external connecting bolt is mixed, the user drives the groove block 906 to rotate through an external hexagonal wrench, when the groove block 906 rotates under stress, the groove block 906 drives the screw 905, when the screw 905 rotates, the second block 903 and the arc block 904 are connected with the sliding of the sliding groove 901 through the sliding block, and (4) performing stable lifting movement, further enabling the arc-shaped block 904 to move into the damping component mounting hole 6, and enabling an external connecting bolt inserted into the damping component mounting hole 6 to contact and abut against the external connecting bolt.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile chassis control arm inner core, includes control arm inner core body (1), the right side rigid coupling of control arm inner core body (1) has dabber (2), be equipped with locating hole (3), ball pivot subassembly mounting hole (4), lightening hole (5) and shock attenuation subassembly mounting hole (6) on control arm inner core body (1), its characterized in that: the top and the bottom of the spherical hinge component mounting hole (4) are provided with a first abutting mechanism (7);

the first abutting mechanism (7) comprises a rod body (701), a first block body (702) and a spring (703);

two the inner wall of body of rod (701) rigid coupling respectively in ball pivot subassembly mounting hole (4) top and bottom, two the equal clearance fit of outer wall of the body of rod (701) has first block (702), two the outer wall of first block (702) respectively with the inner wall clearance fit of ball pivot subassembly mounting hole (4) top and bottom, two the equal clearance fit of outer wall of the body of rod (701) has spring (703), the inboard rigid coupling of spring (703) in the outside of first block (702), the outside rigid coupling of spring (703) in the outer wall of the body of rod (701).

2. The automotive chassis control arm inner core of claim 1, wherein: and a reinforcing rib is fixedly connected at the joint of the mandrel (2) and the control arm inner core body (1).

3. The automotive chassis control arm inner core of claim 1, wherein: the front end surfaces of the two blocks (702) are provided with moving mechanisms (8);

the moving mechanism (8) comprises a stop block (801) and a through groove (802);

the two blocks (801) are fixedly connected to the front end faces of the two blocks (702) respectively, the through grooves (802) are formed in the front end faces of the top and the bottom of the spherical hinge assembly mounting hole (4) respectively, and the inner walls of the through grooves (802) are in clearance fit with the outer walls of the two blocks (801) respectively.

4. The automotive chassis control arm inner core of claim 3, wherein: the clearance between the outer wall of the stop block (801) and the inner wall of the through groove (802) is 0.1-0.2 mm.

5. The automotive chassis control arm inner core of claim 1, wherein: the bottom of the shock absorption component mounting hole (6) is provided with a second abutting mechanism (9);

the second abutting mechanism (9) comprises a sliding groove (901), a sliding block (902), a second block body (903), an arc-shaped block (904), a screw rod (905) and a groove block (906);

two bottom inner wall left and right sides in damper mounting hole (6) is seted up respectively in spout (901), two the inner wall of spout (901) all slides and links to each other has slider (902), two the inner wall rigid coupling of slider (902) has second block (903), the outer wall of second block (903) and the bottom inner wall clearance fit of damper mounting hole (6), the top rigid coupling of second block (903) has arc piece (904), the inner wall screw thread of second block (903) links to each other has screw rod (905), the outer wall of screw rod (905) and the inner wall clearance fit of arc piece (904), the bottom rigid coupling of screw rod (905) has groove block (906), the outer wall of groove block (906) passes through the bottom inner wall clearance fit of bearing and damper mounting hole (6).

6. The automotive chassis control arm inner core of claim 5, wherein: the groove of the groove block (906) is a hexagonal groove.