Automobile piston rod with buffering function

Abstract

The utility model relates to the technical field of automobile piston rods, and discloses an automobile piston rod with a buffering function, a first fixing ring is fixedly installed on the front side of a movable rod, a connecting plate is fixedly installed on the rear side of the movable rod, and a small spring is fixedly installed on the front side of the connecting plate. A movable ring is fixedly installed on the layer, away from the connecting plate, of the small spring, the outer side of the movable rod is sleeved with a fixing sleeve, an air bag is fixedly installed on the rear side of the inner side of the fixing sleeve, an installation sleeve is fixedly installed at the rear end of the fixing sleeve, and a second fixing ring is fixedly installed on the rear side of the installation sleeve. According to the automobile piston rod with the buffering function, when the piston rod is installed in an automobile and vibrates due to rain, firstly, the movable rod is pressed downwards and is buffered through the main spring, the main spring extrudes the air bag downwards when being extruded, and the air bag is slowly released through the vent holes due to the fact that the air bag is filled with air, so that the air bag cannot be flattened by the main spring in a short time.

Description

TECHNICAL FIELD

[0001] The utility model relates to piston rod technical field, concretely is a kind of automobile piston rod with buffering function. BACKGROUND

[0002] Piston rod is the connecting component of supporting piston to work, mostly used in the oil cylinder and cylinder of automobile, is the moving component of frequent movement, high technical requirement. Take hydraulic cylinder as an example, it is composed of cylinder barrel, piston rod (oil cylinder rod), piston and end cover. The processing quality of piston rod directly influences the life and reliability of entire product.

[0003] Some current automobile piston rods have good buffering effect, but there is no buffering device after rebound, resulting in poor buffering effect after rebound, so that the automobile riding experience of people is poor, and when vibration buffering is not in place, the comfort of passengers is easily caused. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides an automobile piston rod with buffering function to solve the problems in the background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: an automobile piston rod with buffering function, the front side of the movable rod is fixedly installed with fixed ring one, the rear side of the movable rod is fixedly installed with connecting plate, the front side of the connecting plate is fixedly installed with small spring, the layer of small spring away from connecting plate is fixedly installed with movable ring, the outer side of the movable rod is sleeved with fixed sleeve, the inner side rear side of the fixed sleeve is fixedly installed with air bag, the top surface of the air bag is fixedly installed with fixed plate, the top surface of the fixed plate is fixedly installed with main spring, the rear end of the fixed sleeve is fixedly installed with mounting sleeve, the rear side of the mounting sleeve is fixedly installed with fixed ring two.

[0008] Preferably, the side surface of the fixed sleeve is provided with air passage groove, and the front side of the fixed sleeve is provided with fixed groove.

[0009] Preferably, the side surface of the mounting sleeve is provided with air outlet hole.

[0010] Preferably, the side surface of the air bag is provided with air hole.

[0011] Preferably, the small spring is arranged in annular arrangement with five fixed angles.

[0012] Preferably, the material of the air bag is rubber material.

[0013] Compared with the prior art, the automobile piston rod with the buffering function has the following beneficial effects:

[0014] 1、The automobile piston rod with the buffering function, when the piston rod is installed in the automobile, when the rain shakes, the movable rod is first pressed down, and buffering is obtained through the main spring, the main spring is extruded downward when receiving extrusion, the air bag is full of air, and slow release is obtained through the air vent, so the air bag cannot be crushed by the main spring in a short time, the air bag is made of rubber material, so the air bag cannot be damaged when receiving extrusion, and the air bag can well bear the heavy pressure from the main spring, the side surface of the fixing sleeve is provided with an air vent groove, the air vent groove can make gas flow out, the air bag realizes the effect of buffering through gas flow out, the side surface of the mounting sleeve is provided with an air outlet, air in the air bag can be discharged, and the air bag is reset and air is sucked in after the movable rod is reset;

[0015] 2、The automobile piston rod with the buffering function, after the movable rod reduces the received pressure, the main spring helps the movable rod to reset, when being reset upward, the small spring helps the movable rod to reduce the vibration of the main spring rebound, so that the piston rod has better buffering effect, and the vibration is avoided to be too large, and the pressure received by the air bag is reduced while the movable rod is reset by the main spring, at this time, the air bag absorbs air outside, so that the inside of the air bag is full of air again, and preparation is made for the next buffering, the air vent makes the gas in the air bag be discharged, and since the diameter of the air vent is small, the gas cannot be quickly discharged and can only be slowly released through the air vent, so that the effect of buffering is obtained. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of a three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of a sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of a main spring structure of the utility model;

[0019] Figure 4 It is a schematic diagram of a fixing sleeve structure of the utility model.

[0020] In the drawing: 1, movable rod; 2, fixed ring one; 3, fixing sleeve; 301, air vent groove; 302, fixed groove; 4, mounting sleeve; 401, air outlet; 5, fixed ring two; 6, movable ring; 7, small spring; 8, connecting plate; 9, main spring; 10, fixed plate; 11, air bag; 1101, air vent. DETAILED DESCRIPTION

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] As Figures 1-4 The utility model provides a kind of technical scheme: a kind of automobile piston rod with buffering function, the front side of movable rod 1 is fixedly installed with fixed ring one 2, the rear side of movable rod 1 is fixedly installed with connecting plate 8, the front side of connecting plate 8 is fixedly installed with small spring 7, the layer of small spring 7 away from connecting plate 8 is fixedly installed with movable ring 6, the outside of movable rod 1 is equipped with fixed sleeve 3, the inner side rear side of fixed sleeve 3 is fixedly installed with air bag 11, the top surface of air bag 11 is fixedly installed with fixed plate 10, the top surface of fixed plate 10 is fixedly installed with main spring 9, the rear end of fixed sleeve 3 is fixedly installed with mounting sleeve 4, the rear side of mounting sleeve 4 is fixedly installed with fixed ring two 5.

[0023] Further, the side of fixed sleeve 3 is provided with air passage 301, and the front side of fixed sleeve 3 is provided with fixed groove 302.

[0024] Through the above technical scheme, air passage 301 can make gas flow out, achieve the effect that air bag 11 realizes buffering by gas flow out, and fixed groove 302 enables movable rod 1 to move.

[0025] Further, the side of mounting sleeve 4 is provided with air outlet hole 401.

[0026] Through the above technical scheme, the air in air bag 11 can be discharged, and after movable rod 1 is returned, air bag 11 is reset and air is inhaled through air outlet hole 401

[0027] Further, the side of air bag 11 is provided with air hole 1101.

[0028] Through the above technical scheme, air hole 1101 enables the gas in air bag 11 to be discharged, and since the diameter of air hole 1101 is small, the gas cannot be quickly discharged but can only be slowly released through air hole 1101, to achieve the effect of buffering.

[0029] Further, small spring 7 is arranged in annular arrangement with five fixed angles.

[0030] Through the above technical scheme, small spring 7 can help movable rod 1 to reset and also have good buffering effect

[0031] Further, the material of air bag 11 is rubber material.

[0032] Working principle: when the piston rod is installed in the car, when the rain shakes, first, the movable rod 1 will be pressed down, and the main spring 9 will be buffered, and the main spring 9 will be extruded downward when it is extruded, and the air bag 11 will be extruded downward, and the air bag 11 will be filled with air, and will be slowly released through the air hole 1101, so it will not be crushed by the main spring 9 in a short time, and because the air bag 11 is made of rubber material, it will not be damaged when it is extruded, and it can well bear the heavy pressure from the main spring 9, after the movable rod reduces the received pressure, the main spring 9 will help the movable rod 1 to reset, when resetting upward, the small spring 7 will help the movable rod to reduce the vibration of the rebound from the main spring 9, so that the piston rod has better buffering effect, avoids too large vibration, and at the same time when the main spring 9 resets the movable rod 1, it will reduce the pressure received by the air bag 11, at this time the air bag 11 will absorb the air outside, so that the inside of the air bag 11 is filled with air again, preparing for the next buffering.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A piston rod for automobiles with a buffer function, comprising a movable rod (1), characterized in that: A fixing ring (2) is fixedly installed on the front side of the movable rod (1), a connecting plate (8) is fixedly installed on the rear side of the movable rod (1), a small spring (7) is fixedly installed on the front side of the connecting plate (8), a movable ring (6) is fixedly installed on the layer away from the connecting plate (8) of the small spring (7), a fixing sleeve (3) is sleeved on the outer side of the movable rod (1), an airbag (11) is fixedly installed on the inner rear side of the fixing sleeve (3), a fixing plate (10) is fixedly installed on the top surface of the airbag (11), a main spring (9) is fixedly installed on the top surface of the fixing plate (10), an installation sleeve (4) is fixedly installed on the rear end of the fixing sleeve (3), and a fixing ring (5) is fixedly installed on the rear side of the installation sleeve (4).

2. The automobile piston rod with a buffer function according to claim 1, characterized in that: The side of the fixing sleeve (3) is provided with a ventilation groove (301), and the front side of the fixing sleeve (3) is provided with a fixing groove (302).

3. A car piston rod with a buffer function according to claim 1, characterized in that: The mounting sleeve (4) has an air vent (401) on its side.

4. A car piston rod with a buffer function according to claim 1, characterized in that: The airbag (11) has a vent (1101) on its side.

5. A car piston rod with a buffer function according to claim 1, characterized in that: The small springs (7) are arranged in a ring at a fixed angle, consisting of five springs.

6. A car piston rod with a buffer function according to claim 1, characterized in that: The airbag (11) is made of rubber.

Images