Telescopic steering swing arm shaft

Abstract

The telescopic steering swing arm shaft comprises a telescopic shell, the inner bottom wall of the telescopic shell is in threaded connection with a connecting disc, an extrusion assembly is fixedly installed in the middle of the top face of the connecting disc, a sealing assembly is fixedly installed on one side of the inner wall of the telescopic shell, and a sliding assisting groove is formed in the telescopic shell in a clamped mode. And an inner rod is slidably connected into the sliding assisting groove through a sliding assisting block, an extrusion cavity is formed in the inner rod, and an extrusion hole is formed in one side of the outer surface of the extrusion cavity. The extrusion assembly, the extrusion cavity, the inner rod and the extrusion hole are used in cooperation, when a person uses the telescopic shell, the inner rod slides downwards to the bottom along the telescopic shell, the connecting rod drives the piston to move upwards along the extrusion cavity, and then the piston extrudes lubricating oil in the extrusion cavity upwards; and then the lubricating liquid flows into the inner rod and the telescopic shell along the extrusion hole, so that the effect of reducing material consumption caused by mutual friction between the inner rod and the telescopic shell is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to swing arm shaft technical field especially relates to a telescopic steering swing arm shaft. BACKGROUND

[0002] In order to improve the cross-country maneuverability of the car, the whole car generally adopts the structure of independent suspension, in order to adapt to independent suspension, the steering system needs to adopt the disconnected structure. The steering swing arm shaft device is widely used in the disconnected steering system, and most of the existing steering swing arm shafts produce friction in the running process, which causes the swing arm shaft material to be damaged, also affects the service life of the swing arm shaft, and it is not easy to isolate dust inside the swing arm shaft, which causes dust to accumulate inside the swing arm shaft and affect the use of the swing arm shaft, therefore, the technical personnel in the field provide a telescopic steering swing arm shaft to solve the problems in the above background technology. SUMMARY

[0003] The utility model aims at solving the shortcomings in the prior art and provides a telescopic steering swing arm shaft.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A telescopic steering swing arm shaft, including telescopic shell, the inner bottom wall of telescopic shell is connected with the connecting disc, the middle part of the top surface of connecting disc is fixedly installed with extrusion assembly, one side of the inner wall of telescopic shell is fixedly installed with sealing assembly, the inside of telescopic shell is equipped with the sliding groove that helps, the inside of sliding groove is slidably connected with inner rod through sliding block, the inside of inner rod is equipped with extrusion cavity, one side of the outer surface of extrusion cavity is equipped with extrusion hole.

[0006] As a further scheme of the utility model, the extrusion assembly includes a connecting rod fixedly installed on the top surface of the connecting disc, and a piston fixedly installed on the shaft center of the top of the connecting rod.

[0007] As a further scheme of the utility model, the outer surface of the piston is slidably connected to the two side walls inside the extrusion cavity.

[0008] As a further scheme of the utility model, the sealing assembly includes a sealing ring fixedly connected to the top edge of the telescopic shell, a telescopic threaded tube fixedly connected to the top of the sealing ring, and one end of the telescopic threaded tube fixedly connected to the outer surface of the inner rod.

[0009] As a further scheme of the utility model, the middle part of the outer surface of the telescopic shell is fixedly connected with a reinforcing ring, and the bottom of the reinforcing ring is fixedly connected with a reinforcing rod.

[0010] As a further scheme of the utility model, the bottom of the telescopic shell is fixedly connected with a connecting ring, and the bottom of the connecting ring is fixedly connected with a sealing ring.

[0011] As a further scheme of the utility model, the bottom of the sealing ring is fixedly connected with a fixing disc, and the bottom of the fixing disc is provided with an antiskid film.

[0012] As a further scheme of the utility model, the outer surface of the inner rod is attached with a waterproof film, and the outer surface of the telescopic shell is attached with an anti-oxidation paint.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. Through the mutual cooperation of extrusion assembly, extrusion cavity, inner rod and extrusion hole, when the personnel use the telescopic shell, the inner rod slides to the bottom along the telescopic shell, the connecting rod drives the piston to move upwards along the extrusion cavity, then the piston extrudes the lubricating oil in the extrusion cavity upwards, and subsequently the lubricating liquid flows to the inside of the inner rod and the telescopic shell along the extrusion hole, thereby the effect of reducing the material consumption caused by the mutual friction of the inner rod and the telescopic shell is achieved.

[0015] 2. Through the mutual cooperation of the sealing assembly and the inner rod, during the use of the telescopic shell and the inner rod, the inner rod repeatedly moves up and down in the telescopic shell, and the telescoping threaded pipe is telescoped along with the inner rod, and the telescoping threaded pipe can isolate the external dust, thereby preventing the inner rod from being contaminated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A main view structural schematic diagram of a telescopic steering swing arm shaft is provided for the utility model;

[0017] Figure 2 A split structure schematic diagram of a telescopic steering swing arm shaft is provided for the utility model;

[0018] Figure 3 A telescopic shell structure schematic diagram of a telescopic steering swing arm shaft is provided for the utility model;

[0019] Figure 4 An inner rod stereoscopic section structure schematic diagram of a telescopic steering swing arm shaft is provided for the utility model.

[0020] In the drawing: 1, telescopic shell; 2, connecting disc; 3, extrusion assembly; 31, connecting rod; 32, piston; 4, sealing assembly; 41, sealing ring; 42, telescoping threaded pipe; 5, inner rod; 6, extrusion cavity; 7, extrusion hole; 8, reinforcing ring; 9, reinforcing rod; 10, connecting ring; 11, sealing ring; 12, fixing disc; 13, sliding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. It should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood in a broad sense, and for ordinary skilled in the art, the specific meanings of the above terms in the patent can be understood according to the specific circumstances.

[0022] Referring to Figures 1-4 A telescopic steering swing arm shaft, including telescopic shell 1, the inner bottom wall of telescopic shell 1 is screw-connected with connecting disc 2, the middle part of the top surface of connecting disc 2 is fixedly installed with extrusion assembly 3, extrusion assembly 3 includes the link rod 31 fixedly installed on the top surface of connecting disc 2, the shaft center of the top of link rod 31 is fixedly installed with piston 32, the inside of inner rod 5 is provided with extrusion cavity 6, one side of the outer surface of extrusion cavity 6 is provided with extrusion hole 7, the outer surface of piston 32 is slidably connected to the two side walls inside extrusion cavity 6;

[0023] When the personnel use telescopic steering swing arm shaft, the personnel can fix the fixed disc 12 to the designated working position, then the personnel can deliver lubricating liquid to the inside of extrusion cavity 6, when inner rod 5 is impacted or vibrated, the slide block 13 drives inner rod 5 to move downwards along the slide groove, then piston 32 and link rod 31 enter the inside of inner rod 5, link rod 31 drives piston 32 to move slowly upwards along extrusion cavity 6, so that piston 32 delivers the lubricating liquid in the inside of extrusion cavity 6 to the outside of extrusion hole 7, so that inner rod 5 and telescopic shell 1 can reduce the loss caused by material friction, and in addition, inner rod 5 repeatedly moves up and down in the inside of telescopic shell 1, then telescopic threaded pipe 42 telescopes along with the up-and-down reciprocating movement of inner rod 5, and telescopic threaded pipe 42 can isolate the dust outside.

[0024] In the utility model, the inner wall of telescopic shell 1 is fixedly installed with sealing assembly 4, sealing assembly 4 includes sealing ring 41 fixedly connected to the top edge of telescopic shell 1, the top of sealing ring 41 is fixedly connected with telescopic threaded pipe 42, one end of telescopic threaded pipe 42 is fixedly connected to the outer surface of inner rod 5, the inside of telescopic shell 1 is clamped with slide groove, the inside of slide groove is slidably connected with inner rod 5 through slide block 13.

[0025] Through the mutual cooperation of sealing assembly 4 and inner rod 5, when the personnel use telescopic shell 1 and inner rod 5, inner rod 5 repeatedly moves up and down in the inside of telescopic shell 1, then telescopic threaded pipe 42 telescopes along with the up-and-down movement of inner rod 5, and telescopic threaded pipe 42 can isolate the dust outside, so that the pollution of inner rod 5 can be prevented.

[0026] In particular, the middle part of the outer surface of the telescopic shell 1 is fixedly connected with a reinforcing ring 8, the bottom of the reinforcing ring 8 is fixedly connected with a reinforcing rod 9, the outer surface of the inner rod 5 is attached with a waterproof film, and the outer surface of the telescopic shell 1 is attached with an anti-oxidation paint;

[0027] Through the arrangement of the reinforcing ring 8 and the reinforcing rod 9, the reinforcing ring 8 and the reinforcing rod 9 can effectively strengthen and protect the outside of the telescopic shell 1 during use of the telescopic shell 1 by the personnel.

[0028] In particular, the bottom of the telescopic shell 1 is fixedly connected with a connecting ring 10, the bottom of the connecting ring 10 is fixedly connected with a sealing ring 11, the bottom of the sealing ring 11 is fixedly connected with a fixed disc 12, and the bottom of the fixed disc 12 is provided with an anti-skid film.

[0029] Through the arrangement of the connecting ring 10 and the fixed disc 12, the telescopic shell 1 can be installed and fixed by using the fixed disc 12 during installation of the telescopic shell 1 by the personnel.

[0030] Working principle: when the telescopic steering swing arm shaft is used by the personnel, the personnel can fix the fixed disc 12 to a specified working position, and then the personnel can deliver lubricating liquid into the inside of the extrusion cavity 6. When the inner rod 5 is impacted or vibrated, the sliding aid 13 will drive the inner rod 5 to move downward along the sliding aid groove, and then the piston 32 and the connecting rod 31 enter the inside of the inner rod 5. The connecting rod 31 can drive the piston 32 to slowly move upward along the extrusion cavity 6, so that the piston 32 delivers the lubricating liquid in the inside of the extrusion cavity 6 to the outside of the extrusion hole 7. As a result, the inner rod 5 and the telescopic shell 1 can reduce the loss caused by material friction. In addition, the inner rod 5 repeatedly moves up and down in the inside of the telescopic shell 1, and then the telescopic threaded pipe 42 telescopes with the up-and-down reciprocating movement of the inner rod 5, and the telescopic threaded pipe 42 can isolate the external dust.

[0031] In the present application, the structures and connection relationships not described in detail are prior art, and their structures and principles are well-known technologies, which will not be described here.

[0032] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A telescopic steering swing arm shaft comprising a telescopic housing (1), characterized in that, The inner bottom wall of the telescopic shell (1) is threadedly connected with a connecting disc (2), the middle of the top surface of the connecting disc (2) is fixedly installed with an extrusion assembly (3), one side of the inner wall of the telescopic shell (1) is fixedly installed with a sealing assembly (4), the inside of the telescopic shell (1) is clamped with a sliding assisting groove, the inside of the sliding assisting groove is slidably connected with an inner rod (5) through a sliding assisting block (13), the inside of the inner rod (5) is provided with an extrusion cavity (6), one side of the outer surface of the extrusion cavity (6) is provided with an extrusion hole (7).

2. A telescoping steering knuckle shaft as defined in claim 1, wherein, The extrusion assembly (3) comprises an adapter rod (31) fixedly installed on the top surface of the connecting disc (2), and the shaft center of the top of the adapter rod (31) is fixedly installed with a piston (32).

3. A telescoping steering knuckle shaft as defined in claim 2 wherein, The outer surface of the piston (32) is slidably connected to the two side walls inside the extrusion cavity (6).

4. A telescoping steering knuckle shaft as defined in claim 1 wherein, The sealing assembly (4) comprises a sealing ring (41) fixedly connected to the top surface edge of the telescopic shell (1), the top of the sealing ring (41) is fixedly connected with a telescopic threaded tube (42), and one end of the telescopic threaded tube (42) is fixedly connected to the outer surface of the inner rod (5).

5. A telescoping steering knuckle shaft as defined in claim 1 wherein, The middle of the outer surface of the telescopic shell (1) is fixedly connected with a reinforcing ring (8), and the bottom of the reinforcing ring (8) is fixedly connected with a reinforcing rod (9).

6. A telescoping steering knuckle shaft as defined in claim 1 wherein, The bottom of the telescopic shell (1) is fixedly connected with an adapter ring (10), and the bottom of the adapter ring (10) is fixedly connected with a sealing ring (11).

7. A telescoping steering knuckle shaft as defined in claim 6 wherein, The bottom of the sealing ring (11) is fixedly connected with a fixed disc (12), and the bottom of the fixed disc (12) is provided with an anti-skid film.

8. A telescoping steering knuckle shaft as defined in claim 1 wherein, The outer surface of the inner rod (5) is attached with a waterproof film, and the outer surface of the telescopic shell (1) is attached with an anti-oxidation paint.

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