CN217728464U - Mechanical clamping mechanism for steering knuckle arm - Google Patents

Abstract

The utility model relates to a knuckle arm mechanical type clamping mechanism, including the fixed lantern ring, the elasticity presss from both sides the cover, tensile cover, the upper end embedding of elasticity presss from both sides the cover is in the inside of the fixed lantern ring, the lower extreme embedding of elasticity pressing from both sides the cover is in the inside of tensile cover, the fixed lantern ring, the elasticity presss from both sides the cover, the axis of tensile cover is located same straight line, the elasticity presss from both sides the cover and includes the cylinder cover, a plurality of tight pieces of clamp, the bottom of a plurality of tight pieces of clamp is connected with the upper end of cylinder cover, the cross section of pressing from both sides tight piece is fan-shaped, a plurality of tight pieces of clamp use the axis of cylinder cover to be the circumference array as the center, the inner wall upside of the fixed lantern ring is the frustum form, the surface of the tight piece of clamp laminates with the inner wall upside of the fixed lantern ring, cylinder cover and tensile set threaded connection, the fixed lantern ring is with tensile cover radial swing joint, the fixed lantern ring is with tensile set axial fixed connection. The mechanical clamping mechanism for the knuckle arm is convenient to operate, high in positioning accuracy and lower in mechanical transmission cost.

Description

Mechanical clamping mechanism for steering knuckle arm

Technical Field

The utility model belongs to the technical field of the knuckle arm processing technique and specifically relates to a knuckle arm mechanical type clamping mechanism is related to.

Background

The steering knuckle arm is also called a trapezoidal arm and is the last stage of force transmission component of the steering transmission device. Need carry out the centre gripping location to it when adding man-hour at the knuckle arm, because knuckle arm tip is equipped with the bulge loop, if adopt ordinary inelastic locating sleeve when fixing a position the bulge loop, the location uniformity is relatively poor when the clamping clearance is great, influences product machining precision, and the product is difficult to be taken out when the clamping clearance is less, easily causes to collide with.

Therefore, a mechanical steering knuckle clamping mechanism is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a knuckle arm mechanical type clamping mechanism.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a knuckle arm mechanical type clamping mechanism, includes the fixed lantern ring, elasticity presss from both sides the cover, tensile cover, the upper end embedding of elasticity presss from both sides the inside of fixed lantern ring, the lower extreme embedding of elasticity presss from both sides the cover is in the inside of tensile cover, the axis of fixed lantern ring, elasticity presss from both sides the cover, tensile cover is located same straight line, elasticity presss from both sides the cover and includes cylinder cover, a plurality of clamp block, and is a plurality of the bottom of clamp block with the upper end of cylinder cover is connected, the cross section of clamp block is fan-shaped, and is a plurality of the clamp block uses the axis of cylinder cover as the center to be circumference array, the inner wall upside of the fixed lantern ring is frustum form, the surface of clamp block with the laminating of the inner wall upside of the fixed lantern ring, the cylinder cover with tensile cover threaded connection, the fixed lantern ring with tensile cover radial swing joint, the fixed lantern ring with tensile cover axial fixed connection.

Preferably, in the above mechanical clamping mechanism for a steering knuckle arm, the elastic jacket is radially and fixedly connected to the fixed collar, and the elastic jacket is axially and movably connected to the fixed collar.

Preferably, in the above knuckle arm mechanical clamping mechanism, a wrench is installed at a lower end of the stretching sleeve, and the wrench is adapted to drive the stretching sleeve to rotate.

Preferably, the mechanical steering knuckle arm clamping mechanism further comprises a base plate, and the fixing collar is fixed on the base plate.

Preferably, in the above mechanical steering knuckle arm clamping mechanism, the base plate is provided with a plurality of clamping members adapted to clamp the steering knuckle arm after the elastic collet positions the steering knuckle arm.

Preferably, in the mechanical steering knuckle arm clamping mechanism, a ring is fixed to the bottom of the fixed sleeve ring, an annular groove is formed in the outer side of the tensile sleeve, the ring is embedded in the annular groove, and the ring is rotatably connected with the annular groove.

Preferably, in the mechanical steering knuckle arm clamping mechanism, a positioning groove is formed in the outer side of the elastic jacket, a positioning hole penetrates through the fixed sleeve ring, a positioning bolt is connected to the inner thread of the positioning hole, the positioning groove is formed in a long strip shape along the axial direction of the elastic jacket, and the end of the positioning bolt is embedded into the positioning groove.

The utility model has the advantages that: through with the fixed lantern ring, the elastic clamping cover, the coaxial setting of tensile cover, the fixed lantern ring is with tensile cover radial swing joint, axial fixity is connected, inner wall upside at the fixed lantern ring sets up to the frustum form, press from both sides tight piece rather than the laminating through a plurality of on the elastic clamping cover, cylinder cover and tensile cover threaded connection, thereby can drive the elastic clamping cover along axial displacement when tensile cover rotates, thereby realize the clamp of a plurality of tight pieces of clamp and expand, so that can press from both sides tightly and release the bulge loop on the knuckle arm, and press from both sides the axis coincidence of tight back bulge loop and the fixed lantern ring. Therefore, the mechanical clamping mechanism of the knuckle arm has the advantages of convenience in operation, high positioning accuracy and lower mechanical transmission cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 5 is an exploded view of the stationary collar, the elastic collet, and the tension sleeve;

fig. 6 is a schematic structural view of an elastic jacket.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a base plate, 2, a knuckle arm, 3, a wrench, 4, a fixed lantern ring, 5, an elastic jacket, 51, a cylindrical sleeve, 52, a clamping block, 53, a positioning groove, 6, a convex ring, 7, a positioning hole, 8, a circular ring, 9, a stretching sleeve, 10 and an annular groove.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2, 3, 4, and 5, a mechanical clamping mechanism for a knuckle arm includes a fixed collar 4, an elastic collet 5, and a tension sleeve 9. The fixed lantern ring 4 is fixed on the bottom plate 1, and the bottom of the fixed lantern ring 4 is fixed with the ring 8 and the two are coaxial. The outer side of the stretching sleeve 9 is provided with an annular groove 10, the circular ring 8 is embedded in the annular groove 10, and the circular ring 8 is rotatably connected with the annular groove 10.

As shown in fig. 4, 5 and 6, the upper half section of the elastic jacket 5 is embedded inside the fixed collar 4, and the upper half section of the elastic jacket 5 is provided with a plurality of clamping blocks 52; the lower half section is a cylindrical sleeve 51, the cylindrical sleeve 51 is embedded in the stretching sleeve 9, external threads are arranged outside the cylindrical sleeve 51, internal threads are arranged on the inner wall of the stretching sleeve 9, and the cylindrical sleeve 51 is in threaded connection with the stretching sleeve 9. The central axes of the fixed lantern ring 4, the elastic jacket 5 and the stretching sleeve 9 are positioned on the same straight line.

As shown in fig. 4, 5 and 6, the bottoms of the plurality of clamping blocks 52 and the upper end of the cylindrical sleeve 51 are integrally formed. The cross-section of the clamping blocks 52 is sector-shaped. The plurality of clamping blocks 52 are in a circumferential array by taking the central axis of the cylindrical sleeve 51 as the center, the upper section of the inner wall of the fixed sleeve ring 4 is in a frustum shape, and the outer surface of each clamping block 52 is attached to the upper part of the inner wall of the fixed sleeve ring 4.

The outer side of one of the clamping blocks 52 is provided with a positioning groove 53, the fixing sleeve ring 4 is penetrated with a positioning hole 7, the inner thread of the positioning hole 7 is connected with a positioning bolt, the positioning groove 53 is arranged along the axial direction of the elastic jacket 5 and is in a long strip shape, and the end part of the positioning bolt is embedded in the positioning groove 53. Thereby the elastic jacket 5 and the fixed lantern ring 4 are fixedly connected in the radial direction and movably connected in the axial direction. The lower end of the stretching sleeve 9 is provided with a spanner 3, and the spanner 3 is used for driving the stretching sleeve 9 to rotate.

Drive tensile cover 9 through spanner 3 and rotate during the use, because cylinder cover 51 with tensile cover 9 threaded connection, and elastic jacket 5 and the radial fixed connection of the fixed lantern ring 4, consequently, can promote elastic jacket 5 along axial displacement through the screw thread, move the in-process and press from both sides tight piece 52 and can inwards contract and outwards expand to press from both sides tight location and release with bulge loop 6 on the knuckle arm 2, press from both sides the axis coincidence of tight back bulge loop 6 and the fixed lantern ring 4. The bottom plate 1 is provided with a plurality of clamping pieces, and after the elastic jacket 5 clamps and positions the convex ring 6 of the knuckle arm 2, other parts of the knuckle arm 2 are clamped and fixed through the clamping pieces.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (7)

1. A knuckle arm mechanical clamping mechanism is characterized in that: the elastic clamping device comprises a fixed sleeve ring (4), an elastic clamping sleeve (5) and a stretching sleeve (9), wherein the upper end of the elastic clamping sleeve (5) is embedded in the fixed sleeve ring (4), the lower end of the elastic clamping sleeve (5) is embedded in the stretching sleeve (9), central axes of the fixed sleeve ring (4), the elastic clamping sleeve (5) and the stretching sleeve (9) are located on the same straight line, the elastic clamping sleeve (5) comprises a cylindrical sleeve (51) and a plurality of clamping blocks (52), the bottoms of the clamping blocks (52) are connected with the upper end of the cylindrical sleeve (51), the cross section of each clamping block (52) is fan-shaped, the clamping blocks (52) are in a circular array by taking the central axis of the cylindrical sleeve (51) as the center, the upper side of the inner wall of the fixed sleeve ring (4) is in a frustum shape, the outer surface of each clamping block (52) is attached to the upper side of the inner wall of the fixed sleeve ring (4), the cylindrical sleeve (51) is in threaded connection with the stretching sleeve (9), the fixed sleeve ring (4) is in a radial movable connection with the stretching sleeve ring (9), and the fixed sleeve (9) is in an axial direction.

2. The knuckle arm mechanical clamping mechanism according to claim 1, wherein: the elastic jacket (5) is fixedly connected with the fixed lantern ring (4) in the radial direction, and the elastic jacket (5) is movably connected with the fixed lantern ring (4) in the axial direction.

3. The knuckle arm mechanical clamping mechanism according to claim 1, wherein: the lower end of the stretching sleeve (9) is provided with a wrench (3), and the wrench (3) is suitable for driving the stretching sleeve (9) to rotate.

4. The knuckle arm mechanical clamping mechanism according to claim 1, wherein: the anti-theft device is characterized by further comprising a bottom plate (1), wherein the fixed lantern ring (4) is fixed on the bottom plate (1).

5. The knuckle arm mechanical clamping mechanism according to claim 4, wherein: the base plate (1) is provided with a plurality of clamping pieces which are suitable for clamping after the elastic clamping sleeve (5) positions the knuckle arm (2).

6. The knuckle arm mechanical clamping mechanism according to claim 1, wherein: the bottom of the fixed lantern ring (4) is fixed with a circular ring (8), the outer side of the stretching sleeve (9) is provided with an annular groove (10), the circular ring (8) is embedded into the annular groove (10), and the circular ring (8) is rotatably connected with the annular groove (10).

7. The knuckle arm mechanical clamping mechanism according to claim 2, wherein: the outside of elastic jacket (5) is provided with positioning groove (53), it has locating hole (7) to run through on the fixed lantern ring (4), the inside threaded connection of locating hole (7) has positioning bolt, positioning groove (53) are followed elastic jacket (5) axial is seted up and is rectangular form, positioning bolt's tip embedding is in positioning groove (53).

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