Prevent the structure that Panhard rod buffering gum cover is drawn out
Technical field
The present invention relates to field of automobile, concretely, is the structure that a kind of buffering gum cover that prevents the automobile Panhard rod is drawn out.
Background technology
Panhard rod claims sway bar again, is a kind of assistant spring element in the automotive suspension, and its effect is to prevent that vehicle body from excessive horizontal inclination taking place when turning, and improves stationarity.Panhard rod is the torsion bar spring made from spring steel, and shape is " U " shape, and is horizontal in the front-end and back-end of automobile, Panhard rod and back Panhard rod before being referred to as respectively.When vehicle body was only made perpendicular movement, suspension distortion in both sides was identical, and Panhard rod is inoperative.When body roll, the both sides suspension is beated inconsistent, and Panhard rod twists, and the elastic force of shaft becomes the resistance that continues inclination, plays laterally stable effect.
As shown in Figure 3, the left and right two ends of Panhard rod 1 are symmetrical arranged the wherein end that only drawn among the tangible geometrical clamp 2(figure), bolt 6 is welded on the seat board 3, bolt 6 passes geometrical clamp 2 and seat board 3 is fixedly mounted on Panhard rod 1 on the seat board 3, seat board 3 is dull and stereotyped near the part of geometrical clamp 2, and seat board 3 belongs to the part of car chassis.For avoiding Panhard rod 1 and geometrical clamp 2 direct contacts to produce abnormal sound, buffering gum cover 4 is housed between Panhard rod 1 and geometrical clamp 2.Buffering gum cover 4 is for embracing a ring type structure, and its below is provided with opening, is convenient to install, and 4 armfuls of buffering gum covers are on Panhard rod 1.Automobile is when turning to, be subjected to centrifugal forces affect, Panhard rod is with respect to the vehicle body sway, time one is long, can will cushion gum cover at leisure and pull out geometrical clamp, occur big space between Panhard rod and the geometrical clamp, produce serious abnormal sound, simultaneously the Panhard rod deflection that twists reduces relatively, and the riding stability of automobile reduces.
Summary of the invention
The present invention is directed to the problems referred to above and improve, when guaranteeing that Panhard rod is subjected to the centrifugal action sway, the buffering gum cover of plug between Panhard rod and geometrical clamp can not pulled out, thereby improve riding stability, avoid producing abnormal sound.
For this reason, the technical solution adopted in the present invention is: a kind of structure that prevents that Panhard rod buffering gum cover is drawn out, comprise Panhard rod (1), annular geometrical clamp (2), seat board (3) and buffering gum cover (4), described Panhard rod (1) is fixed on the seat board (3) by geometrical clamp (2), described buffering gum cover (4) is contained between geometrical clamp (2) and the Panhard rod (1), key is: described buffering gum cover (4) is extended with projection (4a) near an end of seat board (3) towards seat board (3), has with the spacing hole (5) of described projection (4a) coupling spacing to buffering gum cover (4) left and right sides on the described seat board (3).
Be preferably, described seat board (3) is recessed to form bar-shaped trough (3a) in the position of corresponding geometrical clamp (2) towards the direction away from geometrical clamp (2), and described spacing hole (5) is arranged in the described bar-shaped trough (3a).Bar-shaped trough is recessed to form by seat board, has increased seat board intensity; Simultaneously, projection is contained in the spacing hole of bar-shaped trough, has saved to take up room.
Described bar-shaped trough (3a) is along extending with the direction of the parallel axes of geometrical clamp (2), and the cross-sectional plane of this bar-shaped trough (3a) is trapezoidal and trapezoidal oral area width greater than bottom width, and described projection (4a) adapts with described bar-shaped trough (3a).The cross-sectional plane of bar-shaped trough is trapezoidal, is convenient to the bar-shaped trough moulding, and correspondingly, the projection of buffering gum cover also correspondence is arranged to trapezoidal.
Described spacing hole (5) is the left and right sides that rectangular opening and spacing hole (5) the right and left lay respectively at buffering gum cover (4), leaves the gap between the right and left of described projection (4a) and spacing hole (5).Leave the gap between the right and left of projection and spacing hole, when the buffering gum cover of armful ring type is subjected to the Panhard rod pulling, reserved the space, can also guarantee to cushion gum cover and can not pulled out by Panhard rod for the relative twisting of buffering gum cover self.
This structure is carried out axial limiting by the spacing hole that is provided with on the seat board to the cushion compound cover, when preventing that Panhard rod is subjected to the centrifugal action sway, to cushion gum cover and pull out, and avoid producing abnormal sound in the Panhard rod work, improve the stationarity in the vehicle traveling process; The bar-shaped trough that seat board is recessed to form has increased seat board intensity; The projection of buffering gum cover is arranged in the bar-shaped trough of seat board, can not take the space in the seat board outside, have simple in structure, be skillfully constructed, intensity height, characteristics such as rationally distributed, when having solved body inclination effectively, Panhard rod will cushion the difficult problem that gum cover is pulled out.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the structural representation before improving.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the present invention is described in further detail:
The Panhard rod that prevents as shown in Figure 1 cushions the structure that gum cover is drawn out, and is made up of Panhard rod 1, geometrical clamp 2, seat board 3, buffering gum cover 4 and two blocks 5 etc.The left and right two ends of Panhard rod 1 are symmetrically arranged with the wherein end that only drawn among the geometrical clamp 2(figure).Geometrical clamp 2 ringwise, two ends have flange and are used for hold-down bolt 6, Panhard rod 1 is fixed on the seat board 3 by geometrical clamp 2 and clenched bolt 6, seat board 3 belongs to the part of car chassis.Buffering gum cover 4 is contained in the space between geometrical clamp 2 and the Panhard rod 1, avoids geometrical clamp 2 and Panhard rod 1 direct contact, produces abnormal sound in the course of the work.Buffering gum cover 4 is for embracing a ring type structure, and its below is provided with opening, is convenient to install, and 4 armfuls of buffering gum covers are on Panhard rod 1.
Seat board 3 is recessed to form bar-shaped trough 3a in position, corresponding geometrical clamp 2 ground towards the direction away from geometrical clamp 2, has spacing hole 5 in the bar-shaped trough 3a.Spacing hole 5 is a rectangular opening, the axis normal of two limits and geometrical clamp 2 wherein, and the parallel axes of two other limit and geometrical clamp 2, buffering gum cover 4 is extended with protruding 4a near an end of seat boards 3 towards seat board 3.Projection 4a and spacing hole's 5 form fit, when installing with assurance, geometrical clamp 2 is pressed into protruding 4a in the spacing hole 5, and the right and left of spacing hole 5 is spacing to buffering gum cover 4 left and right sides, is pulled out by Panhard rod 1 to stop buffering gum cover 4.
As preferably, extend with the direction of the parallel axes of geometrical clamp 2 on bar-shaped trough 3a edge, the cross-sectional plane of bar-shaped trough 3a is trapezoidal and trapezoidal oral area width greater than bottom width, and the width of protruding 4a is preferably consistent with the width that cushions gum cover 4, and the shape of cross section of protruding 4a and bar-shaped trough 3a adapts.Spacing hole's 5 the right and lefts lay respectively at the left and right sides of buffering gum cover 4, preferably leave the gap between the right and left of protruding 4a and spacing hole 5.
As shown in Figure 2, a face down bonding of seat board 3 is connected to brace panel 7, and brace panel 7 and Panhard rod 1 lay respectively at the both sides of seat board 3, and the root weld of bolt 6 is on seat board 3, and bolt 6 passes the opposite side that brace panel 7 and seat board 3 reach seat board 3.The spacing hole 5 that opens on seat board 3 is through hole, and when geometrical clamp was pressed into protruding 4a in the spacing hole 5, the protruding 4a of 7 pairs of bufferings of brace panel gum cover held up.
The shape of bar-shaped trough and bearing of trend also can be provided with as required, the shape of spacing hole can be arranged to circle, ellipse, accordingly the shape of projection also is arranged to circle or ellipse, that the cushion compound cover is carried out the left and right sides is spacing as long as projection can be pressed in the spacing hole; If seat board thickness is enough, spacing hole also can be arranged to blind hole, and the above all drops within protection scope of the present invention.