Single-cylinder hydraulic shock absorber suitable for electric bicycle

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a single-cylinder hydraulic shock absorber suitable for an electric bicycle, which comprises a shock absorber main body, joints are arranged on two sides of the shock absorber main body, grooves are arranged on the joints, rubber sleeves are arranged in the grooves, small cylinders are arranged on the rubber sleeves, and the small cylinders are arranged on the shock absorber main body. An upper spring seat and a lower spring seat are arranged on the two sides, close to the connector, of the shock absorber body respectively, a shock absorption spring is arranged between the upper spring seat and the lower spring seat, the structure is simple, installation is convenient, the price is low, the application range is wide, and the riding comfort can be effectively relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shock absorber, specifically, a single cylinder hydraulic shock absorber suitable for electric bicycle. BACKGROUND

[0002] The shock absorber is a device for inhibiting the shock of spring rebound and the impact from the road surface, and is widely used in the field of automobile, etc., and its main function is to accelerate the damping of the vibration of the frame and the body, improve the driving smoothness, and the performance of the shock absorber directly affects the driving stability of the automobile and the service life of other machine parts, so it is necessary to maintain its good working condition. The shock absorber assembly includes a shock absorber, a spring, a dust cover and other components, which jointly act to filter the vibration of the road surface and inhibit the reciprocating motion of the spring.

[0003] As China patent publication: a single cylinder hydraulic shock absorber, application number: CN201220090109.5, including cylinder, be equipped with piston rod and piston in the cylinder, the cylinder is a sealed cylinder, be equipped with oil seal at the top of the sealed cylinder, be equipped with oil inlet hole and exhaust hole at the top of the cylinder, be equipped with the flow hole that vertically penetrates the piston on the piston, the upper end of the piston rod passes through the top of the sealed cylinder, be equipped with elastic thing and net cover from top to bottom in the bottom of the cylinder, fill hydraulic oil between the piston and elastic thing, be equipped with buffer ring on the piston rod. The utility model discloses reasonable structure, novel design, good sealing performance, since not using high pressure sealing gas is almost not affected by the length of working time, convenient operation, good safety performance, not easy to damage, and convenient for maintenance, and the cost is also low.

[0004] But the technical scheme in the above, when needing to install the shock absorber to the electric bicycle, first need to install the joint of shock absorber into the electric bicycle mounting groove, then make the installation through slot of shock absorber and the through slot on the mounting groove of electric bicycle align, then the bolt passes through two through slots, utilizes bolt and installs shock absorber to electric bicycle, during this period, need the staff to hold fixed shock absorber, makes the installation through slot of shock absorber always with the through slot on the mounting groove of electric bicycle in the alignment state, therefore, at least need two people to complete the installation of shock absorber, increase manpower, inconvenient to install. UTILITY MODEL CONTENTS

[0005] The utility model discloses a main purpose is to provide a single cylinder hydraulic shock absorber suitable for electric bicycle can effectively solve the background art in need when installing shock absorber to electric bicycle, first need to install the joint of shock absorber into electric bicycle mounting groove, then make the installation through groove of shock absorber and the through groove on the alignment of electric bicycle mounting groove, then bolt passes through two through grooves, utilizes bolt and installs shock absorber to electric bicycle, during this period, need staff to hold fixed shock absorber, make the installation through groove of shock absorber always with the through groove on the alignment of electric bicycle mounting groove, therefore need at least two people to complete the installation of shock absorber, increase manpower, inconvenient to install the problem of.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme, a single cylinder hydraulic shock absorber suitable for electric bicycle, including shock absorber main part, both sides of shock absorber main part are provided with joint, the recess is provided on the joint, the rubber sleeve is provided in the recess, the small cylinder is provided on the rubber sleeve, the spring upper seat and spring lower seat are arranged respectively on both sides of shock absorber main part close to joint, and the damping spring is arranged between spring upper seat and spring lower seat.

[0007] As a preferred, the damping spring is fixedly connected with the spring upper seat and the spring lower seat respectively on both sides.

[0008] As a preferred, the small cylinder includes a small cylinder base, the first through groove and the second through groove are arranged on the small cylinder base, two sliding rings are arranged in the first through groove, and the spring is arranged between the two sliding rings.

[0009] As a preferred, the sliding ring is provided with a semicircular push block away from the spring, the third through groove is arranged on the sliding ring, and the guide sliding block is arranged in the third through groove.

[0010] As a preferred, the spring is fixedly connected with the two sliding rings on both sides.

[0011] As a preferred, the guide sliding block is fixedly connected with the inner wall surface on both sides of the first through groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) the utility model uses, first the joint is installed into electric bicycle installation groove, at this moment electric bicycle installation groove inner wall will extrude semicircle push block, make two semicircle push block gradually close to each other, semicircle push block drives the movement of the slip ring, and the movement direction of the slip ring is guided using the third slot and the guide slider, spring deformation makes semicircle push block always close to electric bicycle installation groove inner wall, thereby through semicircle push block extrusion electric bicycle installation groove inner wall to the position of small cylinder is fixed to a certain extent, staff need not always manually position the small cylinder, then bolt is passed through the second slot, can install and fix the small cylinder, then can use shock absorber main part and shock absorbing spring to electric bicycle shock attenuation, this structure is simple, convenient to install, cheap, wide range of use, can effectively relieve the comfort of riding. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the single cylinder hydraulic shock absorber suitable for electric bicycle of the utility model;

[0015] Figure 2 It is a structure schematic view of the small cylinder in the single cylinder hydraulic shock absorber suitable for electric bicycle of the utility model;

[0016] Figure 3 It is the A place enlarged structure schematic view in the single cylinder hydraulic shock absorber suitable for electric bicycle of the utility model; Figure 2

[0017] In the drawing: 1, shock absorber main part;2, joint;3, recess;4, rubber sleeve;5, small cylinder;501, small cylinder base;502, first slot;503, slip ring;504, spring;505, semicircle push block;506, third slot;507, guide slider;508, second slot;6, spring upper seat;7, spring lower seat;8, shock absorbing spring. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0019] For example, Figure 1 ​As shown in one kind to electric bicycle's single cylinder hydraulic shock absorber, including shock absorber body 1, both sides of the shock absorber body 1 are provided with joint 2, the joint 2 is provided with recess 3, the recess 3 is provided with rubber bushing 4, the rubber bushing 4 is provided with small cylinder 5, the shock absorber body 1 is provided with spring upper seat 6 and spring lower seat 7 respectively on both sides close to joint 2, and shock absorbing spring 8 is arranged between the spring upper seat 6 and the spring lower seat 7.

[0020] As Figure 2 and Figure 3 As shown in another embodiment of the utility model, the small cylinder 5 includes small cylinder base 501, the small cylinder base 501 is provided with first through slot 502 and second through slot 508, two sliding rings 503 are slidably arranged in the first through slot 502, and spring 504 is arranged between the two sliding rings 503;

[0021] The side of the sliding ring 503 away from the spring 504 is provided with semicircular push block 505, the sliding ring 503 is provided with third through slot 506, and guide sliding block 507 is slidably arranged in the third through slot 506;

[0022] When the joint 2 needs to be installed, first, the joint 2 is fitted into the electric bicycle mounting groove, at this time, the electric bicycle mounting groove inner wall will extrude the semicircular push block 505, so that the two semicircular push blocks 505 gradually approach each other, the semicircular push block 505 drives the sliding ring 503 to move, and the third through slot 506 and the guide sliding block 507 guide the moving direction of the sliding ring 503, the spring 504 deforms, so that the semicircular push block 505 is always close to the electric bicycle mounting groove inner wall, so that the position of the small cylinder 5 is limited and fixed to a certain extent by extruding the electric bicycle mounting groove inner wall through the semicircular push block 505, so that the staff does not need to manually limit and fix the small cylinder 5, thereby facilitating the staff to carry out subsequent bolt installation.

[0023] The working principle of the single cylinder hydraulic shock absorber for electric bicycle is as follows:

[0024] In use, first, the joint 2 is installed in the electric bicycle mounting groove, at this time, the electric bicycle mounting groove inner wall will extrude the semicircular push block 505, the two semicircular push blocks 505 gradually approach each other, the semicircular push block 505 drives the sliding ring 503 to move, and the third through groove 506 and the guide sliding block 507 guide the moving direction of the sliding ring 503, the spring 504 deforms, the semicircular push block 505 is always close to the electric bicycle mounting groove inner wall, so that the position of the small cylinder 5 is limited and fixed to a certain extent by extruding the electric bicycle mounting groove inner wall through the semicircular push block 505, the staff does not need to manually limit and fix the small cylinder 5 all the time, then the bolt is passed through the second through groove 508, the small cylinder 5 can be installed and fixed, then the shock absorber main body 1 and the shock absorbing spring 8 can be used to shock absorb the electric bicycle, the structure is simple, convenient to install, cheap, wide in use range, and can effectively relieve the comfort during riding.

[0025] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can be made, and it is impossible to enumerate all the embodiments here, and any obvious changes or variations derived from the technical solutions of the present application still fall within the protection scope of the present application.

Claims

1. A single cylinder hydraulic shock absorber adapted to an electric bicycle, comprising a shock absorber body (1), characterized in that: The shock absorber body (1) is provided with a joint (2) on both sides, the joint (2) is provided with a groove (3), the groove (3) is provided with a rubber sleeve (4), the rubber sleeve (4) is provided with a small cylinder (5), the shock absorber body (1) is provided with a spring upper seat (6) and a spring lower seat (7) on both sides close to the joint (2), and the spring upper seat (6) and the spring lower seat (7) are provided with a damping spring (8).

2. A single cylinder hydraulic shock absorber adapted to an electric bicycle according to claim 1, characterized in that: The damping spring (8) is fixedly connected with the spring upper seat (6) and the spring lower seat (7) on both sides.

3. A single tube hydraulic shock absorber adapted to an electric bicycle according to claim 2, characterized in that: The small cylinder (5) comprises a small cylinder base (501), the small cylinder base (501) is provided with a first through groove (502) and a second through groove (508), two sliding rings (503) are slidably arranged in the first through groove (502), and a spring (504) is arranged between the two sliding rings (503).

4. A single tube hydraulic shock absorber adapted to an electric bicycle according to claim 3, characterized in that: A semicircular push block (505) is arranged on the side, away from the spring (504), of the sliding ring (503), a third through groove (506) is arranged on the sliding ring (503), and a guide sliding block (507) is slidably arranged in the third through groove (506).

5. A single tube hydraulic shock absorber adapted to an electric bicycle according to claim 4, characterized in that: The spring (504) is fixedly connected with the two sliding rings (503) on both sides.

6. A single tube hydraulic shock absorber adapted to an electric bicycle according to claim 5, characterized in that: The guide sliding block (507) is fixedly connected with the inner wall surfaces on both sides of the first through groove (502).

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