A front shock absorber spring pre-pressing and damping adjustment integrated assembly

Abstract

The utility model discloses a front shock absorber spring pre -press and damping adjustment integrated assembly belongs to shock absorber technical field, including spring, spring seat, spring seat screw, guide seat, inner base, thrust bearing, pre -press screw, outer base, spring adjustment knob, damping rod and shock absorber cylinder body. The spring is installed to spring seat, and spring seat is fixed to guide seat through spring seat screw, and guide seat passes through inner base, and is driven pre -press screw to push guide seat through spring adjustment knob, and adjusts spring pre -press. Inner base is provided with central hole, and damping rod passes through, can adjust the damping in outside. Outer base is screwed into front shock absorber, and presses down inner base, forms firm connection. The utility model discloses compact structure, and the function is comprehensive, can realize the spring pre -press and the external regulation of damping of shock absorber simultaneously.

Description

TECHNICAL FIELD

[0001] The utility model relates to shock absorber technical field, concretely is a front shock absorber spring pre -compression and damping adjustment integrated assembly. BACKGROUND

[0002] Bicycle, motorcycle such as two-wheeled vehicles are important components of road traffic, its low price, convenient to use. Front shock absorber has very important effect to the control stability of bicycle and motorcycle, therefore its performance needs to be valued, especially the spring pre -compression and damping characteristic of front shock absorber. However, the traditional front shock absorber often only spring pre -compression adjustable or less damping characteristic adjustable, cannot adapt to the rich needs of users of different body weight and riding habits. In order to solve these problems, the utility model provides a front shock absorber spring pre -compression and damping adjustment integrated assembly, can realize the external adjustment of spring pre -compression and damping of shock absorber simultaneously. SUMMARY

[0003] The utility model discloses a front shock absorber spring pre -compression and damping adjustment integrated assembly, solve the traditional front shock absorber often only spring pre -compression adjustable or less damping characteristic adjustable, cannot adapt to the rich needs of users of different body weight and riding habits'shortcoming.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A front shock absorber spring pre -compression and damping adjustment integrated assembly, it includes:

[0006] Spring, spring seat, spring seat screw, guide seat, inner base, thrust bearing, pre -compression screw, outer base, spring adjustment knob, damping rod, shock absorber barrel body, spring is installed on the positioning step of spring seat, and is fixed to the top of guide seat through spring seat screw, the top of guide seat passes through inner base, and the bottom end is pressed by thrust bearing and pre -compression screw, and the outer thread of pre -compression screw is mutually matched with the inner thread of outer base, and spring adjustment knob can drive pre -compression screw to rotate, and pre -compression screw will move along the axis under the guidance of thread, thereby realizing the adjustment of spring pre -compression. Inner base is provided with central hole, and damping rod passes through it, so that the damping can be adjusted externally;

[0007] Wherein, between the bottom end of guide seat and pre -compression screw, there is thrust bearing, reduce the frictional resistance when pre -compression screw and guide seat rotate;

[0008] Wherein, the size parameter of the central hole of inner base changes according to the form of damping rod, and is suitable for different damping rods;

[0009] Wherein, the top of inner base has inner base outer thread, is fastened by screwing into the bottom of inner thread of shock absorber barrel body;

[0010] The inner base guiding hole and the guiding seat form a clearance fit, so that the guiding seat does not tilt during movement along the axis;

[0011] The positioning groove of the inner base can be provided with an elastic element such as a sealing ring, the sealing ring is clamped on the sealing ring groove on the spring adjusting knob, the spring adjusting knob is fixed on the inner base while the spring pre-pressing adjustment is limited, and the spring adjusting knob can be freely rotated;

[0012] The hexagonal protrusion of the inner base is a wrench position, facilitating the use of a socket wrench to install the inner base;

[0013] The pre-pressing screw outer thread cooperates with the outer base inner thread to convert the rotational movement of the pre-pressing screw into movement along the axis;

[0014] The guiding column on the spring adjusting knob is inserted into the pre-pressing screw guiding hole, the spring adjusting knob only rotates without axial movement, the pre-pressing screw is rotated and axially moved, the spring is compressed or loosened, and the spring pre-pressing is adjusted;

[0015] The outer base is connected to the shock absorber cylinder through the outer base outer thread, and when the thread is screwed to the bottom, the inner base outer thread at the top end of the inner base is pressed, the outer base and the inner base are fastened, and the outer base is connected to the shock absorber cylinder through the outer base outer thread;

[0016] The outer base inner thread cooperates with the pre-pressing screw outer thread to convert the rotational movement of the pre-pressing screw into movement along the axis;

[0017] The guiding column on the spring adjusting knob is inserted into the pre-pressing screw guiding hole, the spring adjusting knob only rotates without axial movement, the pre-pressing screw is rotated and axially moved, the spring is compressed or loosened, and the spring pre-pressing is adjusted;

[0018] The sealing ring groove on the spring adjusting knob enables the spring adjusting knob to be fixed on the inner base while the spring pre-pressing adjustment is limited, and the spring adjusting knob can be freely rotated;

[0019] The knob external protrusion facilitates the use of the hand to rotate the spring adjusting knob, and the spring pre-pressing is adjusted.

[0020] The utility model has the following technical effects:

[0021] The guiding column on the spring adjusting knob is inserted into the pre-pressing screw guiding hole, the spring adjusting knob is rotated to drive the pre-pressing screw to rotate, the rotational movement is converted into axial movement under the cooperation of the pre-pressing screw outer thread and the outer base inner thread, the pre-pressing screw drives the thrust bearing, the guiding seat is further driven, the guiding seat passes through the inner base and is connected with the spring seat, the spring installed on the spring seat is further driven, and the spring pre-pressing is externally adjustable.

[0022] The inner base has a central hole through which the damping rod passes, so that the damping can be adjusted externally. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a cross-sectional view of the present application assembled on a front shock absorber;

[0024] Figure 2 is an exploded view of the body structure of the present application;

[0025] Figure 3 is a cross-sectional view of the body structure of the present application;

[0026] Figure 4 is a perspective view of the inner base;

[0027] Figure 5 is a perspective view of the pre-press screw;

[0028] Figure 6 is a perspective view of the outer base;

[0029] Figure 7 is a perspective view of the spring adjustment knob;

[0030] Wherein: 100-spring, 200-spring seat, 300-spring seat screw, 400-guide seat, 500-inner base, 600-thrust bearing, 700-pre-press screw, 800-outer base, 900-spring adjustment knob, 1000-damping rod, 1100-shock absorber barrel, 501-inner base outer thread, 502-inner base guide hole, 503-positioning groove, 504-hexagonal protrusion, 701-pre-press screw guide hole, 702-pre-press screw outer thread, 801-outer base outer thread, 802-outer base inner thread, 901-guide column, 902-sealing ring groove, 903-knob external protrusion. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0033] Referring to FIG. 1 to FIG. 3, a front shock absorber spring pre-pressing and damping adjustment integrated assembly, comprising a spring (100), a spring seat (200), a spring seat screw (300), a guide seat (400), an inner base (500), a thrust bearing (600), a pre-pressing screw (700), an outer base (800), a spring adjustment knob (900), a damping rod (1000), a shock absorber cylinder (1100), which are described in detail below.

[0034] Referring to FIG. 1, the spring (100) is installed on the positioning step of the spring seat (200) and fixed to the top end of the guide seat (400) through the spring seat screw (300), the top end of the guide seat (400) passes through the inner base (500), and the bottom end is pressed against the thrust bearing (600) and the pre-pressing screw (700), the pre-pressing screw (700) has external threads (702) which cooperate with the internal threads (802) of the outer base (800), and the spring adjustment knob (900) can drive the pre-pressing screw (700) to rotate, and the pre-pressing screw (700) will move along the axis under the guidance of the threads, thereby achieving the adjustment of spring pre-pressing. The inner base (500) is provided with a central hole, and the damping rod (1000) passes through the central hole, so that the damping can be adjusted externally;

[0035] Referring to FIG. 1 to FIG. 3, the thrust bearing (600) is between the bottom end of the guide seat (400) and the pre-pressing screw (700), which reduces the frictional resistance when the pre-pressing screw (700) rotates with the guide seat (400), and the size parameters of the central hole of the inner base (500) change according to the form of the damping rod (1000), which is suitable for different damping rods (1000);

[0036] Referring to FIG. 1 and FIG. 4, the top end of the inner base (500) has inner base external threads (501) which are screwed into the bottom of the internal threads of the shock absorber cylinder (1100) to achieve fastening; the inner base guide hole (502) forms a clearance fit with the guide seat (400), so that the guide seat will not be skewed during movement along the axis; the positioning groove (503) can install elastic elements such as sealing rings, and the sealing ring is clamped on the sealing ring groove (902) on the spring adjustment knob (900), so that the spring adjustment knob (900) is fixed on the inner base (500) while limiting the adjustment of spring pre-pressing and being able to rotate freely; the hexagonal protrusion (504) is a wrench position, which facilitates the use of a socket wrench to install the inner base (500);

[0037] Referring to FIG. 1 and FIG. 5, the pre-pressing screw (700) has pre-pressing screw external threads (702) which cooperate with the outer base internal threads (802) to convert the rotational motion of the pre-pressing screw (700) into motion along the axis;

[0038] The guide column (901) on the spring adjustment knob (900) is inserted into the pre-press screw guide hole (701), the spring adjustment knob (900) only rotates without axial movement, which drives the pre-press screw (700) to rotate and produce axial movement, tightens or loosens the spring, and achieves the effect of adjusting the spring pre-pressing;

[0039] Referring to FIG. 1 and FIG. 6, the outer base (800) is connected to the shock absorber barrel (1100) through the outer base outer thread (801), and when the thread is rotated to the bottom, it will press the inner base outer thread (501) at the top of the inner base (500), realizing the fastening of the outer base (800) and the inner base (500); the outer base inner thread (802) cooperates with the pre-press screw outer thread (702), converting the rotational movement of the pre-press screw (700) into axial movement;

[0040] Referring to FIG. 7, the spring adjustment knob (900) has a guide column (901) for inserting into the pre-press screw guide hole (701), the spring adjustment knob (900) only rotates without axial movement, which drives the pre-press screw (700) to rotate and produce axial movement, tightens or loosens the spring, and achieves the effect of adjusting the spring pre-pressing; the sealing ring groove (902) fixes the spring adjustment knob (900) on the inner base (500) while limiting the adjustment of the spring pre-pressing, and can also rotate freely; the knob external protrusion (903) facilitates the rotation of the spring adjustment knob (900) by hand, realizing the adjustment of the spring pre-pressing.

[0041] In use, the guide column (901) on the spring adjustment knob (900) is inserted into the pre-press screw guide hole (701), the spring adjustment knob (900) is rotated to drive the pre-press screw (700) to rotate, and under the cooperation of the pre-press screw outer thread (702) and the outer base inner thread (802), the rotational movement is converted into axial movement, and then the pre-press screw (700) pushes the thrust bearing (600), and then pushes the guide seat (400), the guide seat passes through the inner base (500) and is connected with the spring seat (200), and then pushes the spring (100) installed on the spring seat (200), realizing the external adjustment of the spring pre-pressing;

[0042] The inner base (500) has a central hole, and the damping rod (1000) passes through the central hole, so that the damping can be adjusted externally.

Claims

1. A front shock absorber spring pre-pressing and damping adjustment integrated assembly, comprising a spring (100), a spring seat (200), a spring seat screw (300), a guide seat (400), an inner base (500), a thrust bearing (600), a pre-pressing screw (700), an outer base (800), a spring adjustment knob (900), a damping rod (1000), a shock absorber cylinder (1100), the spring (100) is installed on the positioning step of the spring seat (200) and fixed to the top end of the guide seat (400) through the spring seat screw (300), the top end of the guide seat (400) passes through the inner base (500), the bottom end is pressed against by the thrust bearing (600) and the pre-pressing screw (700), the outer thread (702) of the pre-pressing screw cooperates with the inner thread (802) of the outer base, the spring adjustment knob (900) can drive the pre-pressing screw (700) to rotate, the pre-pressing screw (700) will move along the axis under the guidance of the thread, so as to realize the adjustment of the spring pre-pressing, the inner base (500) is provided with a central hole, the damping rod (1000) passes through the central hole, Thus, the damping can be adjusted externally.

2. The front shock absorber spring pre-pressing and damping adjusting integrated assembly according to claim 1, wherein a thrust bearing (600) is arranged between the bottom end of the guide seat (400) and the pre-pressing screw (700), so as to reduce the friction resistance when the pre-pressing screw (700) rotates relative to the guide seat (400).

3. The front shock absorber spring pre-pressing and damping adjusting integrated assembly according to claim 1, wherein the size parameter of the central hole of the inner base (500) is changed according to the form of the damping rod (1000), so as to adapt to different damping rods (1000).

4. The front shock absorber spring pre-pressing and damping adjusting integrated assembly according to claim 1, wherein the top end of the inner base (500) is provided with an inner base external thread (501), which is screwed into the bottom of the internal thread of the shock absorber cylinder (1100), so as to realize fastening; the inner base guide hole (502) is in clearance fit with the guide seat (400), so that the guide seat does not tilt during movement along the axis; the positioning groove (503) can be provided with a sealing ring or other annular elastic element, the sealing ring is clamped on the sealing ring groove (902) on the spring adjusting knob (900), so that the spring adjusting knob (900) is fixed on the inner base (500) while limiting the adjustment of the spring pre-pressing, and the spring adjusting knob (900) can be freely rotated; the hexagonal protrusion (504) is a wrench position, which facilitates the use of a socket wrench to install the inner base (500).

5. The front shock absorber spring pre-pressing and damping adjusting integrated assembly according to claim 1, wherein the pre-pressing screw (700) is provided with a pre-pressing screw external thread (702), which is in fit with the inner base internal thread (802), so as to convert the rotary motion of the pre-pressing screw (700) into axial motion; the guide column (901) on the spring adjusting knob (900) is inserted into the pre-pressing screw guide hole (701), so that the spring adjusting knob (900) only rotates without axial motion, which drives the pre-pressing screw (700) to rotate and move axially, so as to compress or loosen the spring and achieve the effect of adjusting the spring pre-pressing.

6. The front shock absorber spring pre-pressing and damping adjusting integrated assembly according to claim 1, wherein the outer base (800) is connected to the shock absorber cylinder (1100) through the outer base external thread (801), and when the thread is screwed to the bottom, the inner base external thread (501) at the top end of the inner base (500) is pressed, so as to realize the fastening of the outer base (800) and the inner base (500); the outer base internal thread (802) is in fit with the pre-pressing screw external thread (702), so as to convert the rotary motion of the pre-pressing screw (700) into axial motion.

7. The front shock absorber spring pre-pressing and damping adjustment integrated assembly according to claim 1, wherein the spring adjustment knob (900) has a guide column (901) inserted into a pre-pressing screw guide hole (701), the spring adjustment knob (900) only rotates without axial movement, which drives the pre-pressing screw (700) to rotate and produce axial movement, compresses or loosens the spring, and achieves the effect of adjusting the spring pre-pressing; the sealing ring groove (902) enables the spring adjustment knob (900) to be fixed on the inner base (500) while limiting the adjustment of the spring pre-pressing and enabling free rotation; and the knob external protrusion (903) facilitates the use of hands to rotate the spring adjustment knob (900) to achieve the adjustment of the spring pre-pressing.

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