Tricycle damping rear shock absorber

Abstract

The utility model discloses a rear shock absorber of a tricycle, which belongs to the technical field of vehicle shock absorption, solves the problem that a large amount of impurities are attached to the outer surface of the telescopic end of an existing shock absorber, and comprises a shock absorber cylinder, the telescopic end and a spring set. A spring set is installed between the shock absorber cylinder and the telescopic end, and one end of the spring set is connected with the side wall of the telescopic end. In the shock absorber, by arranging the cleaning mechanism, dust, muddy water and other impurities attached to the outer surface of the telescopic end can be cleaned through a cleaning piece surrounding the outer portion of the telescopic end in the sliding and stretching process of the telescopic end; impurities are prevented from being attached to the surface of the telescopic end for a long time to corrode the telescopic end and affect normal use of the telescopic end, and then the adjusting mechanism is arranged to flexibly adjust the distance between the fixed seat and the end part of the telescopic end and adjust the maximum telescopic width of the spring set so as to control the elastic force of the spring set.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vehicle damping, specifically relates to a three -wheel damping rear shock absorber. BACKGROUND

[0002] Vehicle is very important in modern traffic, vehicle is divided into many kinds according to kind, including bicycle, tricycle, car etc., wherein pedal tricycle is a kind of delivery tool commonly used in household vehicles, and tricycle has multiple components, including shock absorber, the existing shock absorber is mainly composed of telescopic rod and spring, and mainly realizes damping through the telescopic and elastic force of spring itself.

[0003] The existing shock absorber is generally installed between the wheel and the frame, and plays a damping role, but there are certain problems in actual use, mainly reflected in that a large amount of dust will be splashed in the running process of the wheel, the dust will be attached to the outer surface of the telescopic end of the shock absorber, the outer surface of the telescopic rod is corroded, the normal telescopic and sliding of the telescopic end are affected, and the normal service life of the shock absorber is affected. CONTENT OF THE UTILITY MODEL

[0004] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the problems in the background art, the utility model adopts the following technical scheme.

[0006] A three -wheel damping rear shock absorber, including shock absorber cylinder, telescopic end and spring group, the telescopic end is slidably installed at the end of the shock absorber cylinder, the spring group is installed between the shock absorber cylinder and the telescopic end, one end of the spring group is connected with the side wall of the telescopic end, the cleaning mechanism is installed at the opening of the end of the shock absorber cylinder, the cleaning mechanism includes a sleeve ring and a cleaning piece, the sleeve ring is symmetrically arranged at the opening of the end of the shock absorber cylinder, and two groups of sleeve rings are arranged, the two groups of sleeve rings are combined on the outer surface of the telescopic end, and the cleaning piece is installed on the inner wall of the sleeve ring.

[0007] As a preferred technical scheme of the utility model, the cleaning piece is composed of an arc-shaped plate and a cleaning layer, the arc-shaped plate is installed on the inner wall of the sleeve ring, and the cleaning layer is installed on the inner wall of the arc-shaped plate and close to one side of the outer surface of the telescopic end.

[0008] As a preferred technical scheme of the utility model, the cleaning mechanism further comprises a fixing piece and a mounting frame, the mounting frame is mounted at the opening of the shock absorber cylinder end, the inner wall of the sleeve ring is provided with a butt joint groove for butt joint with the mounting frame, and the fixing piece is mounted between the two sleeve rings.

[0009] As a preferred technical scheme of the utility model, the fixing piece is composed of a screw rod and a nut, the screw rod penetrates through the two sleeve rings, and the nut is threadedly mounted at the end of the screw rod.

[0010] As a preferred technical scheme of the utility model, the tricycle damping rear shock absorber further comprises an adjusting mechanism, the adjusting mechanism comprises a fixed seat and a guide rail, the fixed seat is slidingly mounted on the outer surface of the shock absorber cylinder, the guide rail is symmetrically mounted on the surface of the shock absorber cylinder, a sliding groove for sliding cooperation with the guide rail is formed in the fixed seat, and the side wall of the fixed seat is connected with the end of the spring set.

[0011] As a preferred technical scheme of the utility model, the adjusting mechanism further comprises a cooperation seat and a fixing screw rod, the cooperation seat is mounted on the side surface of the fixed seat, the fixing screw rod is threadedly mounted in the cooperation seat, the fixing screw rod is threadedly connected with the guide rail through the cooperation seat, and a plurality of thread grooves for thread connection with the cooperation seat are formed in the surface of the guide rail.

[0012] As a preferred technical scheme of the utility model, the shock absorber cylinder and the telescopic end are both provided with a connecting ring.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] In the utility model, the cleaning piece surrounding the telescopic end is used to clean the dust, mud and other impurities adhered to the surface of the telescopic end during the sliding and telescoping of the telescopic end, so that the impurities are prevented from adhering to the surface of the telescopic end for a long time, the corrosion of the telescopic end is avoided, and the normal use of the telescopic end is affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the overall structure of the utility model.

[0016] Figure 2 It is a perspective view of the structure of the shock absorber cylinder and the telescopic end of the utility model.

[0017] Figure 3 It is a perspective view of the structure of the cleaning mechanism of the utility model.

[0018] Figure 4 It is an enlarged schematic view of the structure of the cleaning mechanism in the utility model.

[0019] Figure 5 It is the structural schematic view of the adjusting mechanism in the utility model.

[0020] The corresponding relationship between the reference signs and the component names in the drawings is as follows:

[0021] 1, shock absorber cylinder; 2, telescopic end; 3, spring group; 4, cleaning mechanism; 41, collar; 42, cleaning piece; 43, fixing piece; 44, mounting bracket; 5, adjusting mechanism; 51, fixed seat; 52, guide rail; 53, matching seat; 54, fixed screw. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the specific implementation of the utility model is described in detail below combined with the drawings of the specification.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the present utility model, therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0024] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. The present utility model provides the following embodiments.

[0025] As shown by Figure 1 and Figure 2 , it is the structural schematic view of damping rear shock of tricycle in the embodiment, damping rear shock of tricycle includes shock absorber cylinder 1, telescopic end 2 and spring group 3, telescopic end 2 is slidably installed at the end of shock absorber cylinder 1, spring group 3 is installed between shock absorber cylinder 1 and telescopic end 2, one end of spring group 3 is connected with the side wall of telescopic end 2, connecting ring is installed at the end of shock absorber cylinder 1 and telescopic end 2, cleaning mechanism 4 is installed at the opening of the end of shock absorber cylinder 1.

[0026] In use, the connecting rings at the ends of the shock absorber cylinder 1 and the telescopic end 2 are connected to the side of the wheel and the bottom end of the frame respectively, and then with the movement of the vehicle itself, the wheel shakes with the concave of the ground, at this time the spring group 3 pushes the telescopic end 2 to expand and slide, so that the telescopic end 2 is closely attached to the ground, when the wheel encounters the convex road surface, the telescopic end 2 shrinks into the shock absorber cylinder 1, at this time the spring group 3 absorbs the frequency of the telescopic end 2 shaking, the movement of the telescopic end 2 pushes and extrudes the oil in the shock absorber cylinder 1, cooperates with the spring group 3 to reduce the overall shaking frequency, and realizes the effect of shock absorption.

[0027] As shown in the accompanying drawings Figure 3 and Figure 4 The cleaning mechanism 4 includes a sleeve ring 41 and a cleaning piece 42, the sleeve ring 41 is symmetrically arranged at the opening of the end of the shock absorber cylinder 1, and the sleeve ring 41 is provided with two groups, which enclose the outer surface of the telescopic end 2, and the inner wall of the sleeve ring 41 is provided with the cleaning piece 42.

[0028] In use, the two groups of sleeve rings 41 are sleeved on the outside of the telescopic end 2, when the telescopic end 2 slides into the shock absorber cylinder 1 due to external pressure, the cleaning piece 42 is attached to the outer surface of the telescopic end 2 to clean the impurities adsorbed on the outer surface of the telescopic end 2, keep the outside of the telescopic end 2 clean, prevent dust from entering the shock absorber cylinder 1 with the sliding of the telescopic end 2, and affect the normal operation of the telescopic end 2 and the use of the oil in the shock absorber cylinder 1.

[0029] As shown in the accompanying drawings Figure 4 The cleaning piece 42 is composed of an arc-shaped plate and a cleaning layer, the arc-shaped plate is installed on the inner wall of the sleeve ring 41, and the cleaning layer is installed on the inner wall of the arc-shaped plate and close to the outer surface of the telescopic end 2, in use, when the telescopic end 2 slides, the cleaning layer is attached to the outer surface of the telescopic end 2 to clean the impurities on the outside of the telescopic end 2.

[0030] As shown in the accompanying drawings Figure 4 The cleaning mechanism 4 further includes a fixing piece 43 and a mounting bracket 44, the mounting bracket 44 is installed at the opening of the end of the shock absorber cylinder 1, the inner wall of the sleeve ring 41 is provided with a butt joint groove for butt joint with the mounting bracket 44, and the fixing piece 43 is installed between the two groups of sleeve rings 41, the fixing piece 43 is composed of a screw rod and a nut, the screw rod penetrates through the two groups of sleeve rings 41, and the nut is threadedly installed on the end of the screw rod.

[0031] In use, the two groups of sleeve rings 41 are butt jointed outside the mounting bracket 44 through the butt joint groove to realize the rapid positioning of the sleeve ring 41, then the screw rod penetrates through the two groups of sleeve rings 41, and the nut is rotated along the threads outside the screw rod to realize the extrusion of the two groups of sleeve rings 41 and reduce the distance between the sleeve rings 41, and the position of the sleeve ring 41 is fixed.

[0032] As shown in the accompanying drawings Figure 5As shown in the structural schematic view of the adjusting mechanism 5 in the embodiment, the three-wheeled vehicle damping rear shock absorber further comprises an adjusting mechanism 5, which comprises a fixed seat 51, a guide rail 52, a matching seat 53 and a fixed screw 54. The fixed seat 51 is slidingly installed on the outer surface of the shock absorber cylinder body 1. The guide rail 52 is symmetrically installed on the surface of the shock absorber cylinder body 1. A sliding groove for sliding cooperation with the guide rail 52 is formed in the fixed seat 51. The side wall of the fixed seat 51 is connected with the end portion of the spring set 3. The matching seat 53 is installed on the side surface of the fixed seat 51. The fixed screw 54 is screwedly installed in the matching seat 53. The fixed screw 54 is screwedly connected with the guide rail 52 through the matching seat 53. A plurality of screw grooves for screwing cooperation with the matching seat 53 are formed on the surface of the guide rail 52.

[0033] In use, by pulling the handle on the side surface of the fixed seat 51, the fixed seat 51 is driven to slide along the length direction of the guide rail 52, so as to adjust the overall extension distance of the spring set 3 and control the spring force of the spring set 3. After the fixed seat 51 is moved to the target position, the fixed screw 54 is screwed into the matching seat 53, and the end portion of the fixed screw 54 is screwed into the screw groove, so as to lock the position of the fixed seat 51. In use, the working range of the spring set 3 is adjusted according to the situation.

[0034] The above is a further detailed description of the present application in combination with the specific embodiments, which cannot be regarded as a limitation of the specific embodiments of the present application. For ordinary skilled persons in the technical field to which the present application belongs, some simple deductions or replacements can be made without departing from the concept of the present application, which shall be regarded as falling within the protection scope of the present application.

Claims

1. A damped rear shock absorber for a tricycle, comprising a shock absorber cylinder (1), a telescopic end (2), and a spring assembly (3), wherein the telescopic end (2) is slidably mounted on the end of the shock absorber cylinder (1), and a spring assembly (3) is installed between the shock absorber cylinder (1) and the telescopic end (2), one end of the spring assembly (3) being connected to the side wall of the telescopic end (2), characterized in that: The shock absorber cylinder (1) is provided with a cleaning mechanism (4) at the opening of the end, the cleaning mechanism (4) comprises a sleeve ring (41) and a cleaning piece (42), the sleeve ring (41) is symmetrically arranged at the opening of the end of the shock absorber cylinder (1), and two groups of sleeve rings (41) are arranged, the two groups of sleeve rings (41) are arranged on the outer surface of the telescopic end (2), and the cleaning piece (42) is arranged on the inner wall of the sleeve ring (41).

2. A trike rear damping shock according to claim 1, characterised in that: The cleaning piece (42) is composed of an arc-shaped plate and a cleaning layer, the arc-shaped plate is arranged on the inner wall of the sleeve ring (41), and the cleaning layer is arranged on the inner wall of the arc-shaped plate and close to one side of the outer surface of the telescopic end (2).

3. The trike rear shock of claim 2, wherein: The cleaning mechanism (4) further comprises a fixing piece (43) and a mounting bracket (44), the mounting bracket (44) is arranged at the opening of the end of the shock absorber cylinder (1), the inner wall of the sleeve ring (41) is provided with a butt joint groove for butt joint with the mounting bracket (44), and the fixing piece (43) is arranged between the two groups of sleeve rings (41).

4. The trike rear shock of claim 3, wherein: The fixing piece (43) is composed of a screw rod and a nut, the screw rod penetrates through the two groups of sleeve rings (41) at the same time, and the nut is threadedly connected to the end of the screw rod.

5. The trike damping rear shock of claim 1, wherein: The three-wheeled vehicle damping rear shock absorber further comprises an adjusting mechanism (5), the adjusting mechanism (5) comprises a fixed seat (51) and a guide rail (52), the fixed seat (51) is slidingly arranged on the outer surface of the shock absorber cylinder (1), the guide rail (52) is symmetrically arranged on the surface of the shock absorber cylinder (1), the sliding groove for sliding cooperation with the guide rail (52) is arranged in the fixed seat (51), and the side wall of the fixed seat (51) is connected with the end of the spring group (3).

6. The trike rear shock of claim 5, wherein: The adjusting mechanism (5) further comprises a cooperating seat (53) and a fixing screw rod (54), the cooperating seat (53) is arranged on the side surface of the fixed seat (51), the fixing screw rod (54) is threadedly connected to the inside of the cooperating seat (53), the fixing screw rod (54) penetrates through the cooperating seat (53) and is threadedly connected with the guide rail (52), and a plurality of thread grooves for threadedly connecting with the cooperating seat (53) are arranged on the surface of the guide rail (52).

7. The trike damping rear shock of claim 1, wherein: The shock absorber cylinder (1) and the telescopic end (2) are provided with connecting rings at the ends.

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