CN220470526U

CN220470526U - Maintenance mechanism and shock absorber convenient to maintain

Info

Publication number: CN220470526U
Application number: CN202321747991.0U
Authority: CN
Inventors: 王加定; 凃利坚
Original assignee: Wenzhou Songda Shock Absorber Co ltd
Current assignee: Wenzhou Songda Shock Absorber Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-02-09
Anticipated expiration: 2033-07-04

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a maintenance mechanism and a shock absorber convenient to maintain. The damping cylinder comprises a damping cylinder, a piston rod, a spring tray and a maintenance mechanism, wherein the piston rod is arranged at the top of the damping cylinder in an penetrating mode, the spring tray is sleeved on the outer side of the damping cylinder, the maintenance mechanism is arranged below the spring tray, the maintenance mechanism comprises a fixing sleeve and a connecting assembly arranged inside the fixing sleeve, and the connecting assembly comprises a telescopic guide rod, an arc-shaped fixing plate, a tension spring and a threaded push rod. According to the utility model, the damping cylinder barrel is provided with the fixing sleeve below the spring tray, the connecting assembly is arranged in the fixing sleeve, the spring tray can be detachably arranged on the outer side of the damping cylinder barrel through the mutual matching of the telescopic guide rod, the arc-shaped fixing plate, the tension spring and the threaded push rod in the connecting assembly, once the spring tray is damaged, the spring tray can be detached for replacement, the whole shock absorber is not required to be replaced, and the maintenance and replacement cost is reduced.

Description

Maintenance mechanism and shock absorber convenient to maintain

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a maintenance mechanism and a shock absorber convenient to maintain.

Background

The shock absorber, also called shock absorber or damper, is a component of a suspension system of a vehicle, and has the main effects of reducing vibration and jolt caused by uneven road surface in the running process of the vehicle and improving riding comfort and vehicle stability. The shock absorber converts impact energy from the wheels and suspension system into thermal energy by absorbing and dissipating it and controlling the spring rate of the vehicle so that the vehicle maintains good ground contact and stability.

The shock absorber is generally composed of a damper cylinder body, a piston rod, a buffer spring and a spring tray, wherein the components work together, damping oil and the piston are contained in the damper cylinder body, the piston rod is connected with the piston, one end of the piston rod, which is away from the piston, is connected with a flange plate, the piston rod is connected with a vehicle suspension system through the flange plate, and the buffer spring is positioned between the flange plate and the spring tray, so that jolt and vibration of the vehicle during running can be effectively reduced, and riding comfort and stability are improved.

The spring tray of current bumper shock absorber outside installation spring is welded with the cylinder usually, and during the bumper shock absorber work, the shock attenuation spring is responsible for absorbing the vibrations and the impact of vehicle in-process of traveling, reduces the sense of jolting of automobile body, and the bearing force that it received can generally transmit to on the spring tray, and the spring tray is under the circumstances of impact force, and the easy emergence damages, in case damage, need all need change whole bumper shock absorber including the spring, can lead to higher cost of maintenance, and change the bumper shock absorber and need lift the vehicle, dismantle various connecting pieces in order to take out complete bumper shock absorber, has increased work load.

Disclosure of Invention

Aiming at the problems in the background technology, a maintenance mechanism and a shock absorber convenient to maintain are provided. The damping cylinder barrel is provided with the fixed sleeve below the spring tray, the connecting assembly is arranged in the fixed sleeve, the spring tray can be detachably arranged on the outer side of the damping cylinder barrel through mutual matching of the telescopic guide rod, the arc-shaped fixed plate, the tension spring and the threaded push rod in the connecting assembly, once the spring tray is damaged, the spring tray can be detached to be replaced, the whole shock absorber is not required to be replaced, and maintenance and replacement costs are reduced.

The utility model provides a maintenance mechanism, which comprises a fixed sleeve and a connecting component arranged in the fixed sleeve;

the connecting assembly comprises a telescopic guide rod, an arc-shaped fixing plate, a tension spring and a threaded push rod, wherein the inner wall of a fixing sleeve is connected with the arc-shaped fixing plate through the telescopic guide rod, the tension spring is further arranged between the arc-shaped fixing plate and the fixing sleeve, the tension spring is sleeved on the telescopic guide rod, the middle part of the side face of the arc-shaped fixing plate is abutted with the threaded push rod, the threaded push rod is in threaded connection with the fixing sleeve, and one end of the threaded push rod, deviating from the fixing sleeve, is connected with a hand wheel handle

Preferably, one side of the arc-shaped fixing plate, which is away from the threaded push rod, is connected with an arc-shaped insert block.

The utility model also provides a shock absorber convenient to maintain, which is provided with the maintenance mechanism, and the shock absorber comprises a damping cylinder barrel, a piston rod and a spring tray, wherein the piston rod is arranged at the top of the damping cylinder barrel in a penetrating way, the spring tray is sleeved on the outer side of the damping cylinder barrel, and the maintenance mechanism is arranged below the spring tray.

Preferably, an oil seal is arranged at the joint of the piston rod and the damping cylinder barrel.

Preferably, the bottom of the spring tray is provided with a connecting sleeve, the connecting sleeve and the spring tray are integrally formed, and the connecting sleeve stretches into the inner side of the fixing sleeve.

Preferably, the bottom outside the damping cylinder barrel is provided with a ring sleeve, the outer side of the ring sleeve is provided with a mounting plate, and the mounting plate is provided with a fixing hole.

Preferably, the bottom of the fixed sleeve is integrally formed with a mounting sleeve, and the mounting sleeve is mounted on the damping cylinder barrel.

Preferably, the outer side of the connecting sleeve is provided with an annular clamping groove, and the arc-shaped insert block extends into the annular clamping groove.

Compared with the prior art, the utility model has the following beneficial technical effects: the damping cylinder barrel is provided with the fixed sleeve below the spring tray, the connecting assembly is arranged in the fixed sleeve, the spring tray can be detachably arranged on the outer side of the damping cylinder barrel once the spring tray is damaged by being detachably arranged on the outer side of the damping cylinder barrel through mutual matching of the telescopic guide rod, the arc-shaped fixed plate, the tension spring and the threaded push rod in the connecting assembly, the whole shock absorber does not need to be replaced, maintenance and replacement cost is reduced, operation steps are simplified, time is saved, and the damping cylinder barrel is very important for daily maintenance or troubleshooting, and is convenient to replace because the structural design is convenient for future upgrading and improvement.

Drawings

FIG. 1 is a schematic diagram of a subject structure of the present utility model;

FIG. 2 is a schematic side view of the structure of FIG. 1;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2.

Reference numerals: 1. damping cylinder; 2. a piston rod; 3. a spring tray; 4. an oil seal; 5. connecting sleeves; 6. a fixed sleeve; 7. a connection assembly; 701. a telescopic guide rod; 702. an arc-shaped fixing plate; 703. a tension spring; 704. a threaded push rod; 8. a hand wheel handle; 9. arc-shaped inserting blocks; 10. a ring sleeve; 11. a mounting plate; 12. a fixing hole; 13. installing a pipe sleeve; 14. an annular clamping groove.

Detailed Description

Example 1

As shown in fig. 1-3, the maintenance mechanism and the shock absorber convenient to maintain provided by the utility model comprise a damping cylinder 1, a piston rod 2, a spring tray 3 and a maintenance mechanism, wherein the piston rod 2 is arranged at the top of the damping cylinder 1 in a penetrating way, the spring tray 3 is sleeved outside the damping cylinder 1, the maintenance mechanism is arranged below the spring tray 3, the maintenance mechanism comprises a fixed sleeve 6 and a connecting component 7 arranged inside the fixed sleeve, the connecting component 7 comprises a telescopic guide rod 701, an arc-shaped fixed plate 702, a tension spring 703 and a threaded push rod 704, the inner wall of the fixed sleeve 6 is connected with the arc-shaped fixed plate 702 through the telescopic guide rod 701, a tension spring 703 is further arranged between the arc-shaped fixed plate 702 and the fixed sleeve 6, the tension spring 703 is sleeved on the telescopic guide rod 701, the middle part of the side surface of the arc-shaped fixed plate 702 is abutted with a threaded push rod 704, the threaded push rod 704 is in threaded connection with the fixed sleeve 6, and one end of the threaded push rod 704, which is deviated from the fixed sleeve 6, is connected with a hand wheel handle 8.

Further, the joint of the piston rod 2 and the damping cylinder 1 is provided with an oil seal 4, and lubricating oil is prevented from leaking between the piston rod 2 and the cylinder by the oil seal 4, and external pollutants are prevented from entering the inside.

Further, the bottom of the spring tray 3 is provided with a connecting sleeve 5, the connecting sleeve 5 and the spring tray 3 are integrally formed, the connecting sleeve 5 stretches into the inner side of the fixed sleeve 6, the connecting sleeve 5 is limited through a connecting assembly 7, and then the spring tray 3 is installed.

Further, the bottom in the damping cylinder 1 outside is provided with the ring cover 10, and the ring cover 10 outside is provided with mounting panel 11, has seted up fixed orifices 12 on the mounting panel 11, through the cooperation of fixed plate and fixed orifices 12, conveniently carries out the butt joint installation to the bumper shock absorber is whole.

Further, an installation pipe sleeve 13 is integrally formed at the bottom of the fixed sleeve 6, and the installation pipe sleeve 13 is installed on the damping cylinder 1.

The working principle of the utility model is as follows: during the use, establish spring tray 3 from the one end cover of piston rod 2 on damping cylinder 1, the adapter sleeve 5 of its bottom stretches into inside fixed cover 6, through rotating hand wheel handle 8, hand wheel handle 8 drives screw push rod 704 and rotates, because screw push rod 704 is threaded connection with fixed cover 6, screw push rod 704 can precess in the fixed cover 6 inboard when rotating, precession in-process, its one end can promote arc fixed plate 702 and remove, can tensile spring 703 simultaneously, make it take place deformation, arc fixed plate 702 is close to adapter sleeve 5 periphery under the cooperation of flexible guide arm 701, until it is pasted and to its fastening, the installation to spring tray 3 has been accomplished promptly, when need changing the maintenance to spring tray 3, reverse rotation hand wheel handle 8, elastic restoring force effect under tensile spring 703 drives arc fixed plate 702 and keeps away from 5, can dismantle spring tray 3 from damping cylinder 1, whole can be with spring tray 3 detachable installs in damping cylinder 1 outside, in case spring tray 3 damages and can dismantle it and change it, need not reduce the whole cost and the cost of operation is reduced and the improvement is convenient for the replacement, and the convenient maintenance is convenient for the daily maintenance is convenient for the improvement in the time of the improvement of the design.

Example two

As shown in fig. 3, the present utility model provides a maintenance mechanism and a damper with convenient maintenance, and on the basis of the above embodiment, the present embodiment further includes that one side of the arc-shaped fixing plate 702, which is away from the threaded push rod 704, is connected with an arc-shaped insert block 9, the outer side of the connecting sleeve 5 is provided with an annular clamping groove 14, and the arc-shaped insert block 9 extends into the annular clamping groove 14.

In this embodiment, when the arc-shaped fixing plate 702 is attached to the outer wall of the connecting sleeve 5, the arc-shaped insert 9 on the side surface of the arc-shaped fixing plate is inserted into the annular clamping groove 14, so that the connecting sleeve 5 is defined in position in the vertical direction, and the connection tightness of the connecting sleeve 5 with the fixing sleeve 6 under the cooperation of the connecting assembly 7 is improved.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. A maintenance mechanism, characterized by comprising a fixed sleeve (6) and a connecting component (7) arranged inside the fixed sleeve;

coupling assembling (7) are including flexible guide arm (701), arc fixed plate (702), tension spring (703) and screw thread push rod (704), fixed cover (6) inner wall is connected with arc fixed plate (702) through flexible guide arm (701), still be provided with tension spring (703) between arc fixed plate (702) and the fixed cover (6), tension spring (703) cover is established on flexible guide arm (701), the middle part butt of arc fixed plate (702) side has screw thread push rod (704), screw thread push rod (704) and fixed cover (6) threaded connection, the one end that screw thread push rod (704) deviate from fixed cover (6) is connected with hand wheel (8).

2. A maintenance mechanism according to claim 1, characterized in that the side of the arcuate fixing plate (702) facing away from the threaded push rod (704) is connected with an arcuate insert (9).

3. A shock absorber convenient to maintain, which is provided with a maintenance mechanism according to any one of claims 1-2 and is characterized by comprising a damping cylinder barrel (1), a piston rod (2) and a spring tray (3), wherein the piston rod (2) is arranged at the top of the damping cylinder barrel (1) in a penetrating way, the spring tray (3) is sleeved on the outer side of the damping cylinder barrel (1), and the maintenance mechanism is arranged below the spring tray (3).

4. A shock absorber convenient to maintain according to claim 3, characterized in that an oil seal (4) is arranged at the connection of the piston rod (2) and the damping cylinder (1).

5. A shock absorber convenient to maintain according to claim 3, characterized in that the bottom of the spring tray (3) is provided with a connecting sleeve (5), the connecting sleeve (5) and the spring tray (3) are integrally formed, and the connecting sleeve (5) stretches into the inner side of the fixed sleeve (6).

6. A shock absorber convenient to maintain according to claim 3, characterized in that the bottom of the outer side of the damping cylinder (1) is provided with a ring sleeve (10), the outer side of the ring sleeve (10) is provided with a mounting plate (11), and the mounting plate (11) is provided with a fixing hole (12).

7. The shock absorber convenient to maintain according to claim 5, wherein the bottom of the fixing sleeve (6) is integrally formed with a mounting sleeve (13), and the mounting sleeve (13) is mounted on the damping cylinder (1).

8. The shock absorber convenient to maintain according to claim 5, wherein the outer side of the connecting sleeve (5) is provided with an annular clamping groove (14), and the arc-shaped insert block (9) extends into the annular clamping groove (14).