CN2175847Y

CN2175847Y - Stageless adjusting shock damper for vehicle

Info

Publication number: CN2175847Y
Application number: CN 93245241
Authority: CN
Inventors: 罗士中
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-22
Filing date: 1993-11-22
Publication date: 1994-08-31
Anticipated expiration: 2003-11-22

Abstract

The utility model relates to a stageless adjusting shock damper for vehicles. After a centre pilot (1) passes through the centers of a damper cylinder (5), a rubber block (3), a partition board (4), a casing (9) and a flange disk (10), a regulating nut (2), a lifting lug (13) and a locking nut (12) of the lifting lug (13) are installed on the screw end of the centre pilot (1) in a screw mode; a sleeve lifting lug (6) is arranged on the bottom of the damper cylinder (5); the regulating nut (2) passes through a screw of the centre pilot (1) so that the stepless regulation of the precompressed tightness of the shock damper can be realized, and thus, a flexible vibration damping effect can be obtained. The structure with three kinds of modes of actions provides the choice of selection for a designer, and the utility model can be installed on bicycles, motorcycles and other vehicles.

Description

Stageless adjusting shock damper for vehicle

The utility model relates to a kind of improved shock absorber for vehicle, and the shock absorber for vehicle of the enough hand step-less adjustment of particularly a kind of energy is suitable for being installed on bicycle, motorcycle and other vehicle.

Existing shock absorber for vehicle is to be Elastic medium with spring or gas mostly, utilizes the fluid damping mechanism to come attenuation vibration simultaneously.The vibration damper that has also adopts the pre-tightness that changes spring, and the method that perhaps increases and decreases the volume of fluid or inflation pressure is regulated the damping property of vibration damper.The mode of action is a kind of structure of the stressed relative compression in two ends mostly.The deficiency of above-mentioned technology is: the pre-tightness of spring can only have level ground to regulate; The seal request height of gas or fluid; The mode of action does not have multiple choices.

The purpose of this utility model is but that a kind of step-less adjustment vibration damper performance will be provided, and need not seal, the shock absorber for vehicle that has three kinds of modes of action to select.

The purpose of this utility model is finished in following three kinds of modes, 1, two ends are stressed, relative compression type: after the threaded centre pilot of an end passes damper cylinder, block rubber, dividing plate, outer cover and flange disk, adjusting nut and hanger and locking nut spinning thereof are at the screw rod end of centre pilot, the sleeve hanger is assemblied in the bottom of damper cylinder, and adjusting nut carries out step-less adjustment by the screw rod of centre pilot to the precompressed tightness of vibration damper.2, cantilever is installed, one end is drawing: the damper cylinder that block rubber, dividing plate and outer cover are housed, screw boss and nut by its bottom are and are installed on the body support cantilever-shapedly, after centre pilot passes the center of above-mentioned part, adjusting nut and retaining screw spinning are at the screw rod end of centre pilot, the connecting rod that transmits the suspension vibration is installed in the other end of centre pilot, and the screw rod of adjusting nut by centre pilot carries out step-less adjustment to the pre-tightness of vibration damper.3, two ends are stressed, drawing relatively: hollow hanger is installed on the body support, after centre pilot passes block rubber, dividing plate, damper cylinder, flange disk, rubber cushion and hollow hanger, saddle type pad, lid shape hanger spinning is at the mouth end of damper cylinder, adjusting nut and retaining nut spinning are in the upper end of centre pilot, and adjusting nut carries out step-less adjustment by the screw rod of centre pilot to the prestretching tightness of vibration damper.The Elastic medium block rubber of the vibration damper of above-mentioned three kinds of modes of action is to adopt to allow maximum compressibility to be not less than 35% of free height, and corresponding therewith elastic pressure is not less than 120N/CM ²Rubber material, it is shaped as the porose annulus cylindricality in center, between the plural block rubber dividing plate is housed.

The utility model compared with prior art, the advantage that has is: simple spiral stepless regulating mechanism has replaced the seal request height, is the controlling mechanism of means with increase and decrease fluid volume or inflation pressure; The absorbing performance is good, and load carrying capacity is big, and compression property is the Elastic medium block rubber of circular curve, has replaced the eigentone height, and compression property is linear or nonlinear helical spring, need not just can obtain soft effectiveness in vibration suppression by accurate fluid damping mechanism; The structure of three kinds of modes of action provides the choice for Vehicle Frame Design teacher.

Below in conjunction with accompanying drawing three embodiments of the present utility model are further described.

Fig. 1 is the utility model embodiment 1 a sectional view.

Fig. 2 is the utility model embodiment 2 a sectional view.

Fig. 3 is the utility model embodiment 3 a sectional view.

Embodiment 1, and the shape of centre pilot (1) is similar to socket cap polished rod bolt, and its bar footpath becomes to be slidingly matched with the center hole of damper cylinder (5), dividing plate (4), flange disk (10), rubber cushion (26); The socket cap step cap (8) of bar lower end becomes to be slidingly matched with the sleeve endoporus of sleeve hanger (6); The screw-internal thread fit of the screw thread of bar upper end and adjusting nut (2), locking nut (12), hanger (13).Adjusting nut (2) is made and is convenient to the wing nut of twisting with hand.Damper cylinder (5) is done cup-shaped, and cup center, the end is porose, and the screw boss of outer end of hole (7) cooperates with the outside thread of sleeve hanger (6) end, and after the assembling, both axis should be concentric.The cup-shaped inner chamber of damper cylinder (5) will leave the space on every side after loading onto block rubber (3), to hold swelling of block rubber (3) compression back cross-section size.The cylindricality height of single block rubber (3) should be less than 15 with the ratio of outer diameter, and promptly height ÷ diameter is less than 15, and the block rubber number in the vibration damper can be selected according to the size of compression stroke.The shallow tubular that is shaped as the concentric flange of inside and outside circle of dividing plate (4), its external diameter becomes to be slidingly matched with the internal diameter of damper cylinder (5), be installed between the plural block rubber (3), keep simultaneously and direction center guide rod (1) to-and-fro motion on the center line of damper cylinder (5) stably.Outer cover (9) is also done cup-shaped, the internal diameter of cup becomes Spielpassung with the external diameter of damper cylinder (5), flange disk (10) is equipped with at the circular hole place at cup center, the end, vibration damper as Fig. 1 and said structure assembling, the hanger (13) of its upper end and the sleeve hanger (6) of lower end are installed in respectively on body support and the wheel suspension, twist adjusting nut (2), just can be under the situation that does not change two hanger centre distance the precompressed tightness of step-less adjustment vibration damper.

Embodiment 2, and with embodiment 1 difference be: step hanger (18) is made in the lower end of centre pilot (1), the screw rod top of upper end be shaped on install retaining screw (20) than the small dimension screw thread.In the center hole of the screw boss (7) of damper cylinder (5) bottom lining (22) is arranged, during assembling, after screw boss (7) is passed the mounting hole of body support (15), tighten up with nut (14), centre pilot (1) passes rubber cushion (26) successively, lining (22), damper cylinder (5), block rubber (3), dividing plate (4), outer cover (9), behind the center hole of flange disk (10) and pad (11), be screwed into adjusting nut (2), the retaining screw (20) of screwing on again, butterfly sleeve (19) is contained in the outside of adjusting nut (2), both are fixed together with screw (21), so, adjusting nut (2) stops down at retaining screw (20), just can not arbitrarily be backed out the screw rod end of centre pilot (1) by the people, and can only in the effective travel of screw rod, carry out step-less adjustment by the pre-tightness to vibration damper.The connecting rod (16) that joins with suspension is installed in the cross-drilled hole of step hanger (18) by link pin (17), gives vibration damper in the mode that an end stretches with the vibration transfer of wheel suspension.

Embodiment 3, and with embodiment 1 and embodiment's 2 difference be: the flat step cap (25) of patty is made in the lower end of centre pilot (1), and its diameter becomes to be slidingly matched with the internal diameter of damper cylinder (5).Hollow hanger (23) is cylindrical, the cross-drilled hole at middle part and the axis normal of cylinder, and columniform outer surface is slidably mounted in the hanger hole of Wing bracket (27) of vehicle body or suspension.The upper end of saddle type pad (24) is the plane, and there is the concave arc that coincide with hollow hanger (23) periphery the lower end, and center hole is slightly larger than the screw rod external diameter of centre pilot (1).Damper cylinder (5) is done cup-shaped, and cup end center hole becomes to be slidingly matched with flange disk (10), and cup-mouth end has the screw thread that matches with lid shape hanger (28).Lid shape hanger (28) is welded to form by threaded shallow lid and telescopic hanger, and also available aluminium alloy casting is integral.Lid shape hanger (28) has replaced outer cover (9).Vibration damper as Fig. 3 and said structure assembling, the hollow hanger (23) of its upper end and the lid shape hanger (28) of lower end, be installed in respectively on body support and the wheel suspension, twist adjusting nut (2), just can be under the situation that does not change two hanger centre distance, the prestretching tightness of step-less adjustment vibration damper.

Claims

1, infinitely variable shock absorber for vehicle, it is characterized in that centre pilot (1) passes damper cylinder (5), block rubber (3), dividing plate (4), behind the center of outer cover (9) and flange disk (10), adjusting nut (2) and hanger (13) and locking nut (12) spinning thereof are at the screw rod end of centre pilot (1), and sleeve hanger (6) is assemblied in the bottom of damper cylinder (5), and adjusting nut (2) carries out step-less adjustment by the screw rod of centre pilot (1) to the precompressed tightness of vibration damper.

2, the infinitely variable shock absorber for vehicle, it is characterized in that being equipped with block rubber (3), dividing plate (4), place's cover (9), the damper cylinder (5) of flange disk (10) is and is installed on the body support (15) cantilever-shapedly by the screw boss (7) and the nut (14) of its bottom, after centre pilot (1) passes the center of above-mentioned part, adjusting nut (2) and retaining screw (20) spinning are at the screw rod end of centre pilot (1), the connecting rod (16) that transmits the suspension vibration is installed in the other end of centre pilot (1), and the screw rod of adjusting nut (2) by centre pilot (1) carries out step-less adjustment to the pre-tightness of vibration damper.

3, the infinitely variable shock absorber for vehicle, it is characterized in that hollow hanger (23) is installed on the Wing bracket (27) of vehicle body or suspension, centre pilot (1) passes block rubber (3), dividing plate (4), damper cylinder (5), flange disk (10), rubber cushion (26) and hollow hanger (23), behind the saddle type pad (24), lid shape hanger (28) spinning is at the mouth end of damper cylinder (5), adjusting nut (2) and retaining screw (20) spinning are in the upper end of centre pilot (1), and adjusting nut (2) carries out step-less adjustment by the screw rod of centre pilot (1) to the prestretching tightness of vibration damper.

4, according to claim 1 or 2 or 3 described shock absorber for vehicle, it is characterized in that block rubber (3) adopts the permission maximum compressibility to be not less than 35% of free height, corresponding therewith elastic pressure is not less than 120N/CM ²Rubber material, it is shaped as the porose annulus cylindricality in center, and dividing plate (4) is housed between the plural block rubber.